Joint sealing strip for the building industry - with foam base contg a mixture of hydrophilic and water repellent substances

A joint sealing strip consists of a foam, typically polyurethane, impregnated with a mixture of two material types. A first component consists of a substance which is insol. in water, e.g. asphalt-bitumen, tar, plastic or wax. A second component consists of a hydrophilic substance, e.g. bentonite which swells in water. The components are applied as a mixture onto the foam. USE/ADVANTAGE - As a sealing material for the building industry, particularly for sealing joints. Improved sealing characteristics in comparison to previous sealing strips.

ARAMID-PARTIKEL ALS VERSCHLEISSZUSÄTZE

Dichtungsmaterial, insbesondere Fugendichtungsmaterial

BRANDSCHUTZELEMENTE.

GELLED OIL FILLING COMPOUNDS

Fire and heat protection material - comprising (in)organic binder and hydrated aluminium sulphate

Fire- and heat protection material comprises binder and filler consisting of hydrated aluminium sulphate Al2(SO4)3.nH2O in which n=14-18, in an amt. of more than 30 wt.% w.r.t. the mixt. Typical binders are natural and synthetic polymers, asphalts, bitumens, latexes and solns. of the above, and inorganic materials such as cement, concrete, gypsum and silicates. The hydrated aluminium sulphate may be produced in situ by adding the aluminium sulphate as an aq. soln. and forming the hydrated salt in the mixt. by heating when used as the protection material. The prods. may be made e.g. in the form of hard sheets, tapes, films, putties or paints and may be reinforced with materials such as glass cloths, asbestos cloth, textile fabric or metal wires. The prods. are esp. useful as fire protection in building applications and for proteeting explosive and inflammable materials such as ammunition, fuel, explosives, etc., against heat. The materials are used for the construction of or the lining or ...

Verfahren zum Verkapseln von elektrischen oder elektronischen Bauelementen oder Baugruppen und Verkapselung von elektrischen oder elektronischen Bauelementen oder Baugruppen

Sealing material for use in a valve for an aerosol inhaler

The present invention provides a seal for a valve for use in a pharmaceutical metered dose aerosol inhaler device, which seal is formed from a mixture comprising a cross-linked elastomeric material and one or both of a thermoplastic material and a thermoplastic elastomeric material.

USE OF THERMALLY EXPAND-CASH GRAPHITINTERCALATIONSVERBINDUNGEN FOR THE PRODUCTION FROM FIRE PROTECTION SEALINGS AND PROCEDURES TO YOUR PRODUCTION

INTUMESZIERENDE SEALS AND COVERING SECTIONS

JOINT MASS TO FILLING TEARS OR JOINTS IN ROAD SURFACINGS

ANTIMICROBIAL SULFONE AMIDE DERIVATIVES OF LIPOPEPTIDANTIBIOTIKA

FUELLMITTEL FROM GELLED OEL.

The use of thermally expandable graphite intercalation compounds for producing fire-protection seals and method for their production

Polymeric composition having low compression set

Sealing material which swells when treated with water

SEALANT STRIP

ADHESIVE FOR DOUBLE GLAZING UNITS

EARLY-RAIN-RESISTANT JOINTING COMPOUNDS

The invention relates to early-rain-resistant jointing compounds containing - aqueous polymer dispersions (I) - nonionic cellulose ethers (II) from the group consisting of hydroxyethyl, hydroxyethyl methyl, hydroxypropyl methyl and hydroxypropyl cellulose and - optionally typical additives, such as fillers, pigments, plasticizers, extenders, thickeners, foam inhibitors, dispersion aids, pH regulators, preservatives and antiagers which can be produced by thorough mixing of (I) with the other constituents. To be able to introduce (II) in quantities above the solubility limit, the jointing compounds are characterized in that (II) is suspended in retarded form in small quantities of water and is added and intermixed after suspension.

ORGANOCLAY COMPOSITIONS PREPARED WITH A MIXTURE OF TWO ORGANIC CATIONS AND THEIR USE IN NON-AQUEOUS SYSTEMS

REUSABLE RESILIENT GASKET AND METHOD FOR USING SAME

An improved gasket particularly suitable for use in sensitive environments is disclosed. The preferred gasket of the present invention comprises at least one layer of a composite material of porous polytetrafluoroethylene (PTFE) polymer and resilient expandable microspheres. The composite material provides a number of significant advantages over existing PTFE and similar clean gaskets, including better seal under less compressive pressure, sufficient resilience to permit reuse, and retained porosity-allowing pressure equalization in the equipment to occur through the gasket itself.

Verfahren zur Herstellung von Dichtungsmassen

Polymer seal for corners of buildings

A seal (1) for the corners of buildings comprises two parts (2a, 2b) with a folding line (4) parallel to the long side (3) dividing both parts (2a, 2b), into sections (5a, 6; 5b, 6b) at an angle to each other. The sections (5a, 6a) of one part (2a) overlap the sections (5b, 6b) of the other part (2b) at the building corner (20), a plastically deformable central area (11) of the seal deforming at the corner area (20) to allow connection and sealing between both parts (2a, 2b).

Sealing member for sealing corners in building structures

Corners in building structures are sealed by a member (1) comprising side sections (2a, 2b, 2c, 2d) attached to one another, which are placed at an angle to and abutting one another in a corner (17). A cut - out (8) is provided in one or other side parts in the corner area and at a distance (a) from the corner. The member is pref. in one piece and comprises a backing material of unwoven, woven, or knitted material with a moisture - impermeable coating of rubber which can be vulcanised on, or consists of a film without backing. Simple to mfr., thin while providing good seal.

Filler and filler sealing structure and manufacturing method thereof

충전제, 실링 구조 및 그 제법

... 금형의 냉각공 등에 삽입하는 부시의 열전도성을 향상시킬 수 있는 충전제 및 실링 구조와 그 제법을 제공한다. 액상의 에폭시 수지와 분말상의 금속 분말과 경화제로 이루어지는 충전제(S)를 냉각공(82) 내에 충전한다. 이 충전제는 상온 하에서 액화 상태이기 때문에 충전 작업시의 취급이 용이하다. 충전제는 냉각공(82) 및 소정 위치에 보유된 부시(12)의 간극에서 경화한다. 이 간극 전면을 덮도록 경화한 충전제(금속 분말 등)는 부시(12)를 냉각공(82)에 접촉시키지 않고 금속 분말로 개재시키고 있으므로 열 전달 효율이 향상된다. 예를 들어 금형을 가열 처리하면 경화되어 있는 에폭시 수지는 탄화한다. 따라서, 열전도가 높은 금속 분말(구리 등의 분말)이 상기 간극 전면을 덮도록 남으므로 열 전달 효율이 더욱 향상된다.

DUST COMPOSITION ATOMIZABLE FOR THE PROTECTION OF THE PART INFERIOR OF BODYWORKS OR MEANS SEALANTS, USE OF THE SAME AND PROCEDURE TO COVER AUTOMOTIVE OR PIECES OF AUTOMOTIVE

Composiciones basadas en polímeros termoplásticos con grupos funcionales polares en polvo que se adecuan para la elaboracion de composiciones en polvoatomizables para la proteccion de partes inferiores de carrocerías o medios selladores. Estas composiciones están esencialmente exentas de agua, solventesorgánicos volátiles y/o suavizantes líquidos, y se aplican sobre los substratos a ser recubiertos o sellados segun la tecnología, en sí conocida, para laslacas en polvo. Estas composiciones se emplean en la industria automotriz, a modo de proteccion de las partes inferiores de carrocerías o de sellado de juntasde costuras.

DICHTUNGS- BZW. BESCHICHTUNGSMASSEN AUF BASIS WAESSRIGER BITUMENEMULSIONEN

Sealing and coating compounds containing aqueous bitumen emulsions, non and/or partially ionogenic polysaccharide ethers with Brookfield viscosities in a 1 % aqueous solution at 25 DEG C in the range of 1000 to 10000 mPas, aqueous dispersions of thermoplastic elastomeric synthetic substances and, where appropriate, finely divided inorganic fillers and the customary additives, provide spray-proof surfaces of these compounds immediately after application.

ARAMID-PARTIKEL ALS VERSCHLEISSZUSÄTZE

Hot-melt adhesive for sealing vehicle windscreens - contg. elastomer, tackifier, softener, adhesion promotor and filler, needing no primer

In a sealing system, esp. for vehicle windscreens, the sealant compsn. contains (a) 10-200 pts. wt. elastic polymer, (b) 1-200 pts. wt. tackifier resin, (c) 10-400 pts. wt. softener, (d) 0.5-60 pts. wt. adhension promoters, and (e) 5-500 pts. wt. filler. The solidified hot-melt compsn. forms a seal between glass and the metal groove. No primer is needed on the metal or the glass. The compsn. is sufficiently fluid at 65-205 degrees C to be applied with a gun; it hardens rapidly on cooling. The elasticity and adhesion are not affected by water, air, oils, polishes or climatic conditions. The compsn. is easily prepd. and can be transported in a form ready for use.

ELASTISCHE DICHTUNGSMATERIALIEN AUF DER BASIS VON BLOCKCOPOLYMEREN AUS ISOBUTEN UND VINYLAROMATISCHEN MONOMEREN

INTUMESZIERENDE DICHTUNGS- UND ABDECKPROFILE

INTUMESZIERENDE DICHTUNGS- UND ABDECKPROFILE

Jointing compound for filling cracks or joints in road surfacing

A jointing compound 3 for filling cracks 2 or joints in road surfacing 1 is described. To achieve advantageous mechanical properties of the jointing compound, it is proposed that it comprises a mixture of a paste-like component comprising a dispersion of a copolymeric synthetic resin which is admixed if necessary with mineral fillers and additives together with a dry component comprising cement and quartz sand whose coarse fraction has a mean diameter of less than 3 mm and whose particle size fraction which determines the static friction and has a mean particle diameter of greater than 0.2 mm makes up from 6 to 40% of the total weight of the mixture. ...

FUGENMASSE ZUM AUSGIESSEN VON RISSEN ODER FUGEN IN STRASSENBELÄGEN

FOAM-CASH COMPOSITIONS AND PROCEDURES FOR MANUFACTURING AND USING THE COMPOSITIONS

LASPARTOMYCIN DERIVATIVES, AS WELL AS YOUR PRODUCTION AND USE

POLYMERE ONE COMPOSITIONS AND YOUR APPLICATION FOR CONTAINER CATCHES.

CLOSING COVER FOR CONTAINERS AND COMPOSITIONS FOR PRODUCTION THE ASSOCIATED GASKET.

Sealant compositions and sealed electrical connectors

Sealing

Zinc sulphide pigment

SEALED CONTAINERS AND SEALING COMPOSITIONS FOR THEM

CONTAINER CLOSURE CAPS AND COMPOSITIONS FOR FORMING GASKETS FOR THEM

Polymeric composition having low compression set

COMPOSITION FOR SEALING CONTAINED STERILIZED FOODS

WATER PROOFING COMPOSITIONS FOR CEMENT MORTAR OR CONCRETE

Water proofing compositions containing a reclaimed butyl rubber of used inner tube scraps as the active component have a high adhesion to cement mortar or concrete and are used for water proofing materials in buildings and civil engineering works.

SEALED CONTAINERS AND SEALING COMPOSITIONS FOR THEM

A sealing composition for a container closure comprises a polymeric matrix material and is modified by the inclusion therein of an oxygen scavenger. The composition can be in fluid or meltable form ready for application to a closure or it can be present as a deposit on the closure, for instance a gasket around the closure. Preferably the scavenging properties of the deposit are activated by pasteurising or sterilising the deposit when sealing a container with the closure. The invention is of particular value when the closure is a metal cap for a beer bottle.

THE USE OF THERMALLY EXPANDABLE GRAPHITE INTERCALATION COMPOUNDS FOR PRODUCING FIRE-PROTECTION SEALS AND METHOD FOR THEIR PRODUCTION

The method of at least one thermally expandable graphite intercalation compound, containing A) a least one metal halide of at least one of the elements Fe, Al, Sb, Zn, Y, Cr and Ni and B) at least one nitroalkane of the general formula CH3(CH2)n NO2, in which n is a whole number from 0 to 10, as well as its structural isomers or mixtures, as intumescing, fire-protection additive in polymer matrices for producing intumescing fire-protective seals for through holes, wall bushings and other openings in walls, floors and/or ceilings of buildings, as well as a method for preparing the thermally expandable graphite-intercalation compounds used.

Reusable Resilient Gasket and Method for Using Same

EARLY-RAIN-RESISTANT JOINTING COMPOUNDS

STRING TYPE SEALING MATERIAL

A string type sealing material, characterized in that (1) the material is a string-shaped body (a) formed by forming a thermosetting resin compound containing synthetic resin and thermosetting agent or a string-shaped composite structural body (b) in which a dimension stabilizing auxiliary material is disposed along the longitudinal direction of the string-shaped body (a), (2) when a load producing a stress of 5 N/cm2 per unit cross-sectional area is applied in the longitudinal direction of the ring type sealing material at 23 °C, an elongation is within 10 %, and (3), though the string-shaped body (a) has a shape holdability at room temperatures (5 to 35AA°CA), it shows molten fluidability at the time of heat setting.

PROCESS FOR PRODUCING AT LEAST SPRAYPROOF SEAMS AND SEALING STRIP THEREFORE

The present invention relates to a process for producing at least sprayproof seams for joining two flat items by means of a sealing strip (1) having storage chambers (3) which are filled with a sealing compound or a material which is activable to form a sealing compound. The sealing strip (1) is laid between the flat items to be sewn together and the sealing compound in the storage chambers (3) is released by pressure through its opening wall (10), whereby the sealing compound is applied between the flat items and is pressed towards the sewn seam without the sewing machine needle's contacting the sealing compound. Further embodiments of the invention concern sealing strips made like double-sided adhesive foil with the difference that the sealing compound in substrate coatings or in microcapsule form is activated only after sewing so that the needle is not contaminated during sewing.

Water proofing compositions for cement mortar or concrete and method employing same

Water proofing compositions containing a reclaimed butyl rubber of used inner tube scraps as the active component have a high adhesion to cement mortar or concrete and are used for water proofing materials in buildings and civil engineering works.

Container closure caps and compositions for forming gaskets for them

When a gasket of thermoplastic material is moulded in a polypropylene cap, the adhesion of the gasket to the cap at temperatures below 200° C. is improved by including an adhesion-promoting polymer of propylene in the thermoplastic composition.

Multilayered plastic container

Process for forming a multilayered plastic article and multilayered plastic preform and container, wherein a polyepoxide or a liquid crystal polymer in the liquid form is applied to a substrate in a thickness which varies over the extent of the substrate to form a multilayered substrate, forming a tubular liner from said multilayered substrate, and coating the tubular liner with an outer layer.

Container closure caps and compositions for forming gaskets for them

Composition for molding with liquid crystal resin

Polymeric composition having low compression set

Seals for automotive body applications (such as, windows, hoods, trunks and doors) and building applications (such as, window glazing gaskets and weather strips) should be dimensional stable, provide low compression set, and offer outstanding sealing characteristics over a broad temperature range. They must be capable of sealing out noise, wind and water, while providing long-term ultraviolet light resistance. This invention discloses a polymeric composition having excellent characteristics for seals and gaskets including dimensional stability, low compression set, and outstanding sealing characteristics, said polymeric composition being comprised of (1) a rubbery polymer which is comprised of repeat units which are derived from (a) butyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate, and ethyl acrylate, (c) acrylonitrile, (d) styrene, (e) a half ester maleate soap, and (f) a crosslinking agent; (2) at least ...

Sealed electrical connectors

ГИДРОФИЛЬНЫЕ ПОЛИМЕРЫ С ОБРАЩЕННОЙ ФАЗОЙ И ИХ ПРИМЕНЕНИЕ В НАБУХАЮЩИХ В ВОДЕ ЭЛАСТОМЕРНЫХ КОМПОЗИЦИЯХ

... 1. Набухающая в воде композиция, которая может быть приготовлена совмещением не набухающего в воде термопластичного или эластомерного полимера и набухающего в воде материала, включающая ! (а) от 5 до 70 мас.% гидрофильных полимерных микрочастиц, ! (б) от 30 до 95 мас.% нерастворимого в воде термопластичного полимера, смолы или эластомерного материала, ! где гидрофильные полимерные микрочастицы характеризуются среднеобъемным диаметром не больше 2 мкм (как это определяют по лазерному дифракционному методу с использованием Sympatec Helos H1539 с линзой R1 и дисперсной системы Quixcel). ! 2. Дисперсия, включающая ! (а) от 30 до 75 мас.% гидрофильных полимерных микрочастиц, которые могут быть получены полимеризацией с обращенной фазой мономеров, выбранных из группы, включающей ! (аа) водорастворимые этиленовомононенасыщенные полярные неионогенные мономеры, ! (аб) водорастворимые этиленовомононенасыщенные анионогенные мономеры и ! (ав) водорастворимые этиленовомононенасыщенные катионогенные мономеры ...

SELBSTABDICHTENDER FILM

Joint sealants with early resistance to rain-water

... (1) Joint sealing cpds. (I) with early rain resistance are claimed, contg. aq. polymer dispersions (II), non-ionic cellulose ethers (III) (hydroxyethyl-, hydroxyethylmethyl-, hydroxypropylmethyl- or hydroxypropyl-cellulose), fillers and possibly conventional additives, such as pigments, plasticisers, extenders, thickeners, foam suppressants, dispersants, pH regulators, preservatives and anti-ageing additives, and produced by mixing (II) with the other components. (III) is added and mixed in retarded form as a mixt. with the fillers. (2) Process comprises adding a fine dispersion of (III) in the filler to the polymer dispersion (II), mixing thoroughly, and then adding the pH regulators (esp. bases); the other additives are incorporated before and/or after addn. of the filler as required. (I) contain 25-90 wt.% (I) (pref. 25-40 wt.% in highly-filled prods.), 2-60 (pref. 35-60) wt.% filler, 0-1 (pref. 0.3-0.5) wt.% wetting agent, 0-20 (pref. 5-15) wt.% plasticiser, 0-10 (pref. 4-6) wt.% other ...

SCHÄUMBARE ZUSAMMENSETZUNGEN UND VERFAHREN ZUM HERSTELLEN UND VERWENDEN DER ZUSAMMENSETZUNGEN

VERFAHREN ZUM ZUBEREITEN ZWEIKOMPONENTIGER SPACHTELMASSEN IN GETRENNTEN VAKUUMBEHAELTERN ZUR (GEGEBENENFALLS SOGAR AUTOMATISCHEN) VERKITTUNG VON MARMOR- ODER ANDEREN STEINPLATTEN.

Foam sealing and ventilation strip

Foamed plastic section (8) to seal the ridge or hip capping tiles of a roof, protected on one or more of its surfaces with a layer (8a) of a UV-resistant plastic which is between 5 and 100 mu m, and pref. 10 mu m thick. The section is made from an open cell soft foam, of polyurethane, polyethylene, polyether, polyester, polystyrene, or polyvinyl chloride, and is substantially wedge shaped. The procedure to make the section, and its use in roof construction are also claimed.

DICHTUNGSPLATTE AUS KORK.

Dichtungszusammensetzungen

Füllmaterial und Dichtungsstruktur und Herstellungsverfahren dafür

Ein flüssiges Epoxidharz, ein pulverförmiges Metall und ein Härtungsmittel werden als ein Füllmaterial (S) bereitgestellt und in ein Einsetzloch (82) gegossen. Das Füllmaterial (S) ist bei einer Normaltemperatur in einem flüssigen Zustand, um das Füllmaterial bei der Füllarbeit leicht handhabbar zu machen. Das Füllmaterial (S) wird an einem Spielraum zwischen einem Ausbuchswerkzeug (12) und dem Einsetzloch (82) gehärtet. Das Füllmaterial (S) wird dann zwischen dem Ausbuchswerkzeug (12) und dem Einsetzloch (82) angeordnet, um die Wärmeleitfähigkeit zwischen ihnen zu verbessern. Durch Wärmebehandeln eines Metallformpresswerkzeugs (80) ist es möglich, das Epoxidharz zu verschmoren. Dies macht es möglich, das pulverförmige Metall (Kupfer oder ähnliches) über einen gesamten Bereich des Spielraums abzulagern, um die Wärmeleitfähigkeit stark zu verbessern.

REFRACTORY SEALING MATERIAL

SEALING COMPOSITION

SOFT SEALS MATERIAL

FLEXIBLE SEALS MATERIALS ON THE BASIS OF BLOCK COPOLYMERS FROM ISOBUTEN AND VINYLAROMATI MONOMERS

SMOOTHING MEANS FOR JOINT SEALING COMPOUNDS.

INTUMESZIERENDE SEALS AND COVERING SECTIONS

WATER-POURING SEALS MATERIAL

PROCEDURE FOR PREPARING TWO-COMPONENT SCREEDING COMPOUNDS IN SEPARATE VAKUUMBEHAELTERN FOR (IF NECESSARY EVEN AUTOMATIC ONES) CEMENTING OF MARBLE OR OTHER STEINPLATTEN.

SEALING SHEET

TIRE PUNCTURE SEALANT

HYDROGEL FOR USE IN DOWNHOLE SEAL APPLICATIONS

The present invention is a composition for forming seals. The composition includes a base material and a hydrogel. The base materials is preferably an elastomer or a thermoplastic. Seals formed with the composition are particularly suited for use in a wellbore environment. The inclusion of hydrogel in the seals allows the seals to be manipulated or altered through certain environmental factors. For instance, temperature, oil/water ratio, pH and the electronic field may all be used to alter the characteristics of the hydrogel. In this way, the seal may be caused to swell in response to a specific stimulus, thereby preventing or sealing a leak without requiring additional work or input from the operator.

HOT MELT SEALANTS, ADHESIVES AND THE LIKE

SEALANT COMPOSITIONS AND SEALED ELECTRICAL CONNECTORS

Disclosed is a moisture and temperature resistant electrical connector with a connector body (10,110) containing a terminal (10A,116), for sealingly connecting transmission means (90,122) and containing sealant composition. The sealant composition comprises (i) an elastomeric thermoplastic polymer, preferably an organic polymer composite comprising diblock and triblock copolymers, and (ii) extender for the elastomeric thermoplastic polymer. The composition may also include (iii) a crosslinked polymer which is preferably crosslinked in the present of the elastomeric thermoplastic polymer and is preferably a silicon-based crosslinked polymer. The extender is preferably a mixture of a primary low solvency extender and a secondary high solvency extender and may be a mixture of mineral oil and polyisobutene. The elastomeric thermoplastic polymer may be a block copolymer of a non-aromatic polyolefin and a poly (alkenyl arene).

Organoclay Compositions Containing Two or More Cations and One or More Organic Anions, Their Preparation and Use in Non-Aqueous Systems

DEVICE Of BRACING, IN PARTICULAR FOR MULTIPLE GLAZINGS, AND ITS METHOD FOR REALIZATION

COMPOSITION Of SEALING Of a ZONE OF SLIDING CONTACT

polìmeros hidrofìlicos de fase reversa e seu uso em composições elastoméricas expansìveis em água

TETNINGSKOMPOSITIONER

GEL SEALANTS AND ARTICLES

Gel sealants and articles having deliberately roughened exterior surface to facilitate handling (reduces tack) and/or enhance separability and appearance of gel surfaces. The roughening may be achieved by deliberately induced surface melt fracture during melt processing (extruding) of thermoplastic gels, or by moulding or casting the gels on rough surfaces such as abrasive sheets to produce a pitted surface. Preferred gel materials are highly-oil-extended styrene-hydrogenated alkylene-styrene triblock copolymer gels.

Organoclay compositions prepared with a mixture of two organic cations and their use in non-aqueous systems

An organophilic clay comprising the reaction product of: (a) a smectite-type clay; (b) a first organic cation in an amount of from about 75% to about 150% of the cation exchange capacity of the smectite-type clay; and (c) a second organic cation provided by a polyalkoxylated quaternary ammonium salt; wherein the second organic cation is present in an amount of from about 0.01% to about 20% by weight of the total organic cation content.

Soft sealing material

There is disclosed a composition for a soft (non-metal) sealing material having the following percentage composition based on the overall composition: from 4 to 9 wt. % of fibrillated polyaramide fibers; less than 60 wt. % of powder graphite having a carbon content of 90 to 92 wt. % and such particle size distribution that at least 85% of all particles are in the size range of 10 mum to 50 mum; about 30 wt. % of mineral fillers represented by a combination of microsilica having a SiO2 content between 90 and 95 wt. %, a specific surface area according to BET method of 15 to 25 m<2>/g and such particle size distribution that at least 90 wt. % of all particles are in the particle size range under 5 mum, and of an active mineral filler having a SiO2 content of at least 98 wt. %, a specific surface area according to BET method of 100 to 120 m<2>/g and such particle size distribution that at least 90 wt. % of all particles are in the particle size range of 5 mum to 50 mum, the ratio of microsilica ...

WATER REACTIVE SEALANT COMPOSITION

Permanently elastic, thermoplastic joint sealing cpd. - contains bitumen or tar binder, plastic or rubber hardener and mineral filler, with short glass fibres added as stabiliser

Sealing cpd. (I) binders (e.g. bitumen, coal tar oil or coal tar, etc.) suitable hardeners (e.g. synthetic resins, rubbers, etc.) and fillers (e.g. sand, sharp sand, powdered quartz, etc.) in a suitable mix ratio. The novelty is that glass fibres of short staple length are added to the mixt. as a stabiliser. USE/ADVANTAGE - Useful, e.g. for repairing cracks in road surfaces, filling joints in bitumen pavements, etc. Provides sealing cpds. (I) which meet the requirements of US Federal Spec. SS-S 1614, 167b or 1401b and Swiss Standard SNV 67 1625a, and which are also sufficiently stabilised to be applied to vertical joints and surfaces, and to be exposed to sunlight without flowing. In an example, suitable glass fibres used are 2-15 mm long. (I) is produced, e.g. by adding 50 g glass fibre (mean length 6 mm) to 1 kg of a heated mixt. of the above components and mixing thoroughly to give a spreadable material. The prod. does not flow when hot and can be applied to walls by trowelling or injected ...

SEALANT COMPOSITIONS HAVING, AS AN ESSENTIAL COMPONENT, POLYBUTADIENE AS NETWORK POLYMER

Refractory sealing material

A refractory sealing material comprises 50 to 90% by weight of refractory fillers having a particle size of less than 0.1 mm in terms of dry content 1 to 10% by weight of refractory fibrous materials, and 9 to 50% by weight of plasticizers, and the mixture is molded into the form of board or film after a suitable able amount of a liquid has been incorporated.

GEL POETRY

Multilayered plastic article

Reusable resilient gasket and method for using same

Self sealing film

Polymer composition, method for producing non-stretched film, non-stretched film, heat seal material, and packing material

Provided is a polymer composition that contains an ionomer which includes an ethylene-α,β-unsaturated carboxylic acid copolymer and a ternary polymer of ethylene-α,β-unsaturated carboxylic acid-α,β-unsaturated carboxylic acid ester, and a propylene-based polymer, wherein a melt flow rate (MFR) value (under a load of 2160 g) of the ionomer at a process temperature in forming a film by T-die melting casting method is from 50% to 250% based on an MFR value of the propylene-based polymer under the same condition.

Seal for a dispensing apparatus

The present invention relates to a seal for a valve for use in a pharmaceutical dispensing device, which seal is formed from an elastomeric composition comprising: (a) one or more elastomers; and (b) a cross-linking agent comprising an aliphatic dialkyl peroxide and/or an aliphatic perketal peroxide.

EPDM foam and adhesive sealing material

An EPDM foam contains an ethylene-propylene-diene rubber, in which the EPDM foam has water stopping performance lasting for 1 hour or more according to 50% waterstop test and metal corrosion is not observed according to metal corrosion test.

Moisture-curable sealing composition and sealing composition sheet

A moisture-curable sealing composition contains a carboxyl group-containing polymer having a carboxyl group, a plasticizer, and a metal oxide-containing component containing a metal oxide and/or a metal carbonate.

Solar cell sealing material, and solar cell module prepared by using same

Provided are a solar cell encapsulant material which facilitates production of solar cell modules, which does not require a crosslinking step and which is excellent in heat resistance and others, and a solar cell module produced by the use of the encapsulant material. The solar cell encapsulant material comprises a resin composition (C) that contains an olefin-based polymer (A) satisfying the following requirement (a) and an olefin-based polymer (B) satisfying the following requirement (b). (a) The crystal melting peak temperature of the polymer, as measured at a heating rate of 10° C./min in differential scanning calorimetry, is lower than 100° C. (b) The extrapolated onset temperature of melting of the polymer, as measured at a heating rate of 10° C./min in differential scanning calorimetry, is 100° C. or higher.

Composition for an refrigerator gasket

A composition for a refrigerator gasket is provided. The composition includes, as a polymer base, a blend of an olefin/α-olefin (OAO) copolymer having a melting point of at least 100° C. and a styrene block copolymer (SBC). The polymer base has a melt index (190° C., 5 kg) of 0.01 to 15 g/10 min.

Large Diameter Thermoplastic Seal

A seal ring includes a weld and a thermoplastic material. The thermoplastic material has a weld elongation-at-break of at least 3%. The thermoplastic material can have a glass transition temperature of at least 100° C. The thermoplastic material with the weld can have a weld elongation-at-break of at least 3%. The seal ring can have a circumference of at least 0.62 meters. The seal ring can have a coefficient of friction of not greater than 0.45.

ULTRA PURE RUBBER

The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom. 182.-. (canceled)83. A process for the preparation of an aqueous slurry comprising a plurality of copolymer particles suspended therein , the process comprising:a) providing a reaction medium comprising an organic diluent, and at least two monomers whereby at least one monomer is an isoolefin and at least one monomer is a multiolefin;b) polymerizing the monomers within the reaction medium in the presence of an initiator system to form a medium comprising the copolymer, the organic diluent and optionally residual monomers;c) contacting the medium obtained in step b) with an aqueous medium comprising at least one LCST compound having a cloud point of 0 to 100° C. and removing at least partially the organic diluent and to the extent present in the medium removing at least partially the residual monomers to obtain the aqueous slurry comprising the copolymer particles selected from the group consisting of Ionic or non-Ionic surfactants, emulsifiers, and antiagglomerants or are in another embodiment', 'salts of (mono- or multivalent) metal ions or are in another embodiment', 'carboxylic acid salts of multivalent metal ions or are in another embodiment', 'stearates or palmitates of mono- or multivalent metal ions., 'whereby the aqueous medium contains 20,000 ppm or less of non-LCST compounds whereby the non-LCST compounds are'}84. The process according to claim 83 , wherein the aqueous medium comprises alternatively or additionally 500 ppm or less of the non-LCST compounds.85. The process according to claim 83 , wherein the aqueous medium comprises alternatively or additionally 550 ppm or less of salts of metal ions calculated on their metal content and with respect to the amount of copolymer present in the medium ...

Encapsulating material for solar cell and solar cell module

An encapsulating material for solar cell that is capable of suppressing the corrosion of metal and the occurrence of yellowing at a high temperature and has excellent long-term reliability in a constant temperature and humidity is provided. The encapsulating material for solar cell of the invention contains an ethylene/α-olefin copolymer, a hindered amine-based light stabilizer, a hindered phenol-based stabilizer, and a phosphorous-based stabilizer as essential components.

CURABLE FLUOROPOLYMER COMPOSITIONS COMPRISING BIS PHTHALONITRILE-CONTAINING COMPOUND AND CURED ARTICLES THEREFROM

Described herein are fluoropolymer compositions comprising a bis phthalonitrile-containing compound. In one embodiment, the bis phthalonitrile-containing compound is used to crosslink a dehydrohalogenated polymer, and optionally with a polyhydroxy curative. In another embodiment, the bis phthalonitrile-containing compound is added to a composition comprising (i) a fluorinated elastomeric gum, wherein the fluorinated elastomeric gum comprises a fluoropolymer having a cure-site and (ii) a peroxide curing system. 2. The curable composition of claim 1 , wherein the curable composition further comprises a polyhydroxy curative.3. The curable composition of claim 2 , wherein the polyhydroxy curative is selected from at least one of 4 claim 2 ,4′-hexafluoroisopropylidenyl bisphenol claim 2 , 4 claim 2 ,4′-dihydroxydiphenyl sulfone claim 2 , 4 claim 2 ,4′-isopropylidenyl bisphenol claim 2 , 4 claim 2 ,4′(perfluoropropane-2 claim 2 ,2-diyl)diphenol claim 2 , dihydroxybenzophenone claim 2 , hydroquinone claim 2 , 2 claim 2 ,4 claim 2 ,6-trimercapto-S-triazine claim 2 , 4 claim 2 ,4′-thiodiphenol claim 2 , and a metal salt thereof.4. The curable composition of claim 1 , wherein the partially fluorinated polymer comprises (i) vinylidene fluoride claim 1 , tetrafluoroethylene claim 1 , and propylene; (iii) vinylidene fluoride with hexafluoropropylene; (iv) hexafluoropropylene claim 1 , tetrafluoroethylene claim 1 , and vinylidene fluoride; (v) hexafluoropropylene and vinylidene fluoride claim 1 , (ix) tetrafluoroethylene claim 1 , propylene claim 1 , and 3 claim 1 ,3 claim 1 ,3-trifluoropropene claim 1 , (x) tetrafluoroethylene claim 1 , and propylene; and (xvi) combinations thereof.5. The curable composition of claim 4 , wherein the fluorinated comonomer having an acidic hydrogen atom is selected from: trifluoroethylene; vinyl fluoride; 3 claim 4 ,3 claim 4 ,3-trifluoropropene-1; pentafluoropropene; and 2 claim 4 ,3 claim 4 ,3 claim 4 ,3-tetrafluoropropene.6. The curable ...

Sealant Composition

The present invention is directed to a sealing composition comprising: (a) a polysiloxane; (b) a reactive polysiloxane comprising at least one reactive functional group; and (c) water; wherein the weight ratio of polysiloxane to reactive polysiloxane is from 2.7:1 to 4:1. Also disclosed are coated substrates and methods of coating a substrate. 1. A sealing composition comprising:(a) a polysiloxane;(b) a reactive polysiloxane comprising at least one reactive functional group; and(c) water;wherein the solids weight ratio of polysiloxane to reactive polysiloxane is from 1.7:1 to 4:1.2. The sealing composition of claim 1 , wherein the polysiloxane comprises at least one silicone resin.3. The sealing composition of claim 1 , wherein the polysiloxane comprises alkoxy groups.4. The sealing composition of claim 1 , wherein the polysiloxane further comprises (meth)acrylate groups claim 1 , polyether groups claim 1 , or combinations thereof.5. The sealing composition of claim 1 , wherein the reactive polysiloxane comprises an amino-functional polysiloxane claim 1 , a hydroxyl-functional polysiloxane claim 1 , or combinations thereof6. The sealing composition of claim 1 , wherein the reactive polysiloxane comprises a polydimethylsiloxane comprising at least one reactive functional group claim 1 , a silsesquioxane comprising at least one reactive functional group claim 1 , or combinations thereof.1. ling composition of claim 1 , further comprising an alkoxy silane.8. The sealing composition of claim 1 , wherein the sealing composition is substantially free of alkoxy silane.9. The sealing composition of claim 1 , further comprising a colorant.10. The sealing composition of claim 1 , wherein sealing composition comprises a sealing composition concentrate having total solids of 30% to 70% claim 1 , based on the total weight of the sealing composition claim 1 , and a viscosity of 4 cST to 1 claim 1 ,200 cST at ambient conditions claim 1 , as measured by an efflux cup according to ...

ELEMENT SEALING RESIN COMPOSITION FOR ORGANIC ELECTRONIC DEVICE, ELEMENT SEALING RESIN SHEET FOR ORGANIC ELECTRONIC DEVICE, ORGANIC ELECTROLUMINESCENCE ELEMENT, AND IMAGE DISPLAY

Provided are an element sealing resin composition for organic electronic devices, which promotes a balance between the water vapor barrier properties and adhesiveness, decreases the water content, and sufficiently suppresses the generation of outgases, so that consequently the service life of an element for organic electronic devices can be lengthened, and which gives a satisfactory external appearance when used to seal an organic electronic device; an element sealing resin sheet for organic electronic devices; an organic electroluminescent element; and an image display apparatus. Disclosed is an element sealing resin composition for organic electronic devices, comprising a polyisobutylene resin (A) having a weight average molecular weight (Mw) of 10,000 to 300,000 and a hydrogenated cyclic olefin-based polymer (B), and having a water content according to the Karl-Fischer method of 500 ppm or less and an amount of outgas generation of 500 ppm or less when heated at 85° C. for 1 hour.

METHOD FOR MANUFACTURING ELECTRONIC DEVICE

The method for manufacturing an electronic device includes at least: a step of preparing a structure provided with an adhesive film provided with a base material layer, an adhesive resin layer (A) provided on a first surface side of the base material layer and for temporarily fixing an electronic component, and an adhesive resin layer (B) provided on a second surface side of the base material layer and in which an adhesive force is decreased by an external stimulus, an electronic component attached to the adhesive resin layer (A) of the adhesive film, and a support substrate attached to the adhesive resin layer (B) of the adhesive film; at least one step selected from a step of decreasing water content in the adhesive film and a step of decreasing water content in the structure; and a step of sealing the electronic component with a sealing material. 1. A method for manufacturing an electronic device , comprising at least:{'b': '1', 'claim-text': [ a base material layer;', 'an adhesive resin layer (A) for temporarily fixing an electronic component, which is provided on a first surface side of the base material layer; and', 'an adhesive resin layer (B) in which an adhesive force is decreased by an external stimulus, which is provided on a second surface side of the base material layer;, 'an adhesive film having, 'an electronic component attached to the adhesive resin layer (A) of the adhesive film; and', 'a support substrate attached to the adhesive resin layer (B) of the adhesive film;, 'a step () of preparing a structure having{'b': 2', '2', '1', '2', '2, 'at least one step () selected from a step (-) of decreasing water content in the adhesive film and a step (-) of decreasing water content in the structure; and'}{'b': '3', 'a step () of sealing the electronic component with a sealing material.'}2. The method for manufacturing an electronic device according to claim 1 ,{'b': 2', '2', '1, 'wherein the step () includes the step (-) of decreasing the water content in ...

POLYOLEFIN ELASTOMER COMPOSITIONS AND METHODS OF MAKING THE SAME

An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm. The elastomeric article can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm, a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst. 1. A silane-crosslinked polyolefin elastomer blend comprising:{'sup': '3', 'a first polyolefin having a density less than 0.86 g/cm;'}a second polyolefin having a percent crystallinity less than 40%;a silane crosslinker,{'sup': '3', 'wherein the silane-crosslinked polyolefin elastomer blend exhibits a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.) and wherein the silane-crosslinked polyolefin elastomer blend has a density less than 0.90 g/cm.'}2. The silane-crosslinked polyolefin elastomer blend of further comprising a microencapsulated foaming agent.3. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the density is less than 0.70 g/cm.4. The silane-crosslinked polyolefin elastomer blend of further comprising a foaming agent.5. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the density is less than 0.60 g/cm.6. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the compression set is from about 15.0% to about 35.0% claim 1 , as measured according to ASTM D 395 (22 hrs @ 70° C.).7. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the first polyolefin comprises an ethylene-octene copolymer from about 60 wt % to about 97 wt %.8. The silane-crosslinked polyolefin elastomer blend of claim 1 , wherein the second polyolefin comprises a polypropylene homopolymer from about 10 wt % to about 35 wt % and/or ...

Container Sealant Composition

Disclosed is a container sealant composition with improved tensile strength and reduced squeeze-out during seaming. The composition comprises a latex of a carboxylated styrene-butadiene rubber, a colloidal silica filler, wherein the colloidal silica is pretreated with an organosilane, and a tackifier. Also disclosed is a method of sealing a can with the aforedescribed container sealant composition.

SHOE SOLES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A shoe sole composition and method for making a shoe sole are provided. The shoe sole includes a composition comprising a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm. The shoe sole exhibits a compression set of from about 5.0% to about 20.0%, as measured according to ASTM D 395 (6 hrs @ 50° C.). The foamed silane-crosslinked polyolefin elastomer can be produced from a blend including a first polyolefin having a density less than 0.86 g/cm, a second polyolefin, having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, a condensation catalyst, and a foaming agent. 1. A shoe midsole comprising:{'sup': '3', 'claim-text': [{'sup': '3', 'a first polyolefin having a density less than 0.86 g/cm,'}, 'a second polyolefin having a crystallinity less than 40%,', 'a silane crosslinker,', 'a grafting initiator,', 'a condensation catalyst, and', 'a foaming agent,, 'a foamed silane-crosslinked polyolefin elastomer having a density less than 0.50 g/cm, the foamed silane-crosslinked polyolefin elastomer comprisingwherein the shoe midsole exhibits a compression set of from about 1.0% to about 50.0%, as measured according to ASTM D 395 (48 hrs @ 50° C.).2. The shoe midsole of claim 1 , wherein the first polyolefin is an ethylene/α-olefin copolymer from about 60 wt % to about 97 wt %.3. The shoe midsole of claim 1 , wherein the second polyolefin is a polypropylene homopolymer and/or a poly(ethylene-co-propylene) claim 1 , the second polyolefin from about 10 wt % to about 35 wt %.4. The shoe midsole of claim 1 , wherein the silane crosslinker comprises a vinyltrialkoxy silane from about 1 wt % to about 4 wt %.5. The shoe midsole of claim 1 , wherein the grafting initiator comprises one or more halogen molecules claim 1 , azo compounds claim 1 , carboxylic peroxyacids claim 1 , peroxyesters claim 1 , peroxyketals claim 1 , and peroxides claim 1 , the grafting initiator from greater than 0.15 wt % to about 2 wt %.6. The shoe ...

SEALING MATERIAL FOR MULTI-LAYERED GLASSES, AND MULTI-LAYERED GLASS

Provided is a sealing material for multi-layered glasses, including: a polysulfide resin (A) and a polyester resin (B) which is represented by Formula (1-1): 2. The sealing material for a multi-layered glass according to claim 1 , wherein the polyester resin (B) is the polyester resin represented by General Formula (1-1).3. The sealing material for a multi-layered glass according to claim 2 , wherein n in General Formula (1-1) is 0.5 to 12.0 on average.4. The sealing material for a multi-layered glass according to claim 1 , wherein the polyester resin (B) has a number average molecular weight (Mn) of 400 to 2 claim 1 ,500.5. The sealing material for a multi-layered glass according to claim 1 , wherein claim 1 , in General Formula (1-1) and General Formula (1-2) claim 1 , A is an aromatic dibasic acid residue having 8 to 14 carbon atoms and G is an aliphatic diol residue having 2 to 8 carbon atoms.6. The sealing material for a multi-layered glass according to claim 1 , wherein claim 1 , in General Formula (1-1) and General Formula (1-2) claim 1 , A is at least one residue selected from the group consisting of a phthalic acid residue claim 1 , a terephthalic acid residue claim 1 , and an isophthalic acid residue and G is an ethylene glycol residue claim 1 , a propylene glycol residue claim 1 , or a 3-methylpentane diol residue.7. The sealing material for a multi-layered glass according to claim 1 , wherein each of Xand Xin General Formula (1-1) is a hydrogen atom.8. The sealing material for a multi-layered glass according to claim 1 , wherein each of Xand Xin the polyester resin represented by General Formula (1-1) is a group represented by General Formula (2-1) claim 1 , and R in the group represented by General Formula (2-1) is an aromatic group.9. The sealing material for a multi-layered glass according to claim 1 , wherein each of Xand Xin the polyester resin represented by General Formula (1-2) is an aliphatic group having 1 to 5 carbon atoms.10. The sealing ...

ROOFING MEMBRANES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A roofing membrane and a method of making the same is provided. The roofing membrane includes a top layer having a flame retardant and a first silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm; a scrim layer; and a bottom layer having a flame retardant and a second silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm. The top and bottom layers of the roofing membrane both exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). 1. A roofing membrane comprising:{'sup': '3', 'a top layer comprising a flame retardant and a first silane-crosslinked polyolefin elastomer having a density less than 1.45 g/cm;'}an optional scrim layer; and{'sup': '3', 'a bottom layer comprising a flame retardant and a second silane-crosslinked polyolefin elastomer having a density less than 1.45 g/cm.'}2. The roofing membrane of claim 1 , wherein the flame retardant comprises a magnesium hydroxide and/or an aluminum hydroxide from about 20 wt % to about 70 wt %.3. The roofing membrane of claim 1 , wherein the first and second silane-crosslinked polyolefin elastomers both exhibit a crystallinity of from about 5% to about 25%.4. The roofing membrane of claim 1 , wherein the first and second silane-crosslinked polyolefin elastomers have a glass transition temperature of from about −75° C. to about −25° C.5. The roofing membrane of claim 1 , wherein the first and second silane-crosslinked polyolefin elastomers each comprise a first polyolefin having a density less than 0.86 g/cm claim 1 , a second polyolefin claim 1 , a silane crosslinker claim 1 , a grafting initiator claim 1 , and a condensation catalyst.6. The roofing membrane of claim 5 , wherein the silane crosslinker comprises a vinyltrialkoxy silane from about 1 wt % to about 4 wt %.7. The roofing membrane of claim 5 , wherein the condensation catalyst comprises a sulfonic ester catalyst and/or a tin catalyst from about 1 wt % to ...

Cationically curable composition and method for the joining, casting and coating of substrates using the composition

The invention relates to a cationically curable composition with at least one cationically polymerizable component, a first photoinitiator releasing an acid when irradiated with actinic radiation of a first wavelength λ, and a second photoinitiator releasing an acid when irradiated with actinic radiation of a second wavelength λ, wherein the second wavelength λis shorter than the first wavelength λ, and wherein the second photoinitiator, after irradiation of the composition with actinic radiation of the first wavelength λ, shows an absorption of actinic radiation of the second wavelength λin the composition that is sufficient to activate the second photoinitiator and fix the composition. Furthermore, a method is described for the joining, casting, molding, sealing and/or coating of substrates using the cationically curable composition.

Perfluoroelastomer composition, cross-linked perfluoroelastomer and molded article

A composition including a perfluoroelastomer, carbon black in an amount of 55 to 75 parts by weight per 100 parts by weight of the perfluoroelastomer, and a crosslinking agent represented by the following formula (1): wherein in the formula (1), A is a single bond, —O—, an alkylene group, or a fluoroalkylene group; R 1 , R 2 , and R 3 are independently a hydrogen atom, a fluorine atom, an alkyl group, or a fluoroalkyl group; and provided that at least one of R 1 , R 2 , and R 3 is a fluorine atom or a fluoroalkyl group.

FAST PREPARATION OF LOW PRIMARY AMINE CONTAINING POLYASPARTIC ESTERS AND USE OF THESE POLYASPARTIC ESTERS IN SLOW REACTIVITY POLYUREA SYSTEMS

Low primary amine (LPA) polyaspartic esters are provided which comprise a reaction product of an aliphatic diamine and an excess of a Michael addition receptor optionally, in the presence of a C-Calcohol, wherein the low primary amine (LPA) polyaspartic ester has a monoaspartate content of less than 10%. The low primary amine (LPA) polyaspartic esters of the invention may find use in slow reactivity polyurea systems and react with polyisocyanates to produce polyurea coatings, adhesives, sealants, films, composites, castings, and paints. 1. A low primary amine (LPA) polyaspartic ester comprising a reaction product of an aliphatic diamine and an excess of a Michael addition receptor , optionally , in the presence of a C-Calcohol ,wherein the low primary amine (LPA) polyaspartic ester has a monoaspartate content of less than 10%.2. The low primary amine (LPA) polyaspartic ester according to claim 1 , wherein the C-Calcohol is ethanol.3. The low primary amine (LPA) polyaspartic ester according to claim 1 , wherein the aliphatic diamine is a cycloaliphatic diamine.4. The low primary amine (LPA) polyaspartic ester according to claim 3 , wherein the cycloaliphatic diamine is selected from the group consisting of isophoronediamine (5-amino-(1-aminomethyl)-1 claim 3 ,3 claim 3 ,3-trimethylcyclohexane) claim 3 , 1 claim 3 ,3-cyclohexanebis(methylamine) claim 3 , 1 claim 3 ,4-cyclohexanebis(methylamine) claim 3 , 4 claim 3 ,4′-diaminodicyclohexylmethane (PACM 20) claim 3 , bis(4-amino-3-methylcyclohexyl)methane claim 3 , 3 claim 3 , 3′-dimethyl-4 claim 3 , 4′-diaminodicyclohexyl-methane (DMDC) claim 3 , isomers thereof claim 3 , salts thereof claim 3 , complexes thereof claim 3 , adducts thereof claim 3 , and any mixtures thereof.5. The low primary amine (LPA) polyaspartic ester according to claim 1 , wherein the Michael addition receptor is selected from the group consisting of dimethyl maleate claim 1 , diethyl maleate claim 1 , dibutyl maleate claim 1 , dimethyl fumarate ...

RESIN COMPOSITION FOR SEALING, SEMICONDUCTOR DEVICE, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE

According to the present invention, there is provided a resin composition for sealing containing (A) an epoxy resin; (B) a curing agent; and (C) a filler, wherein the epoxy resin (A) includes an epoxy resin (A-1) having a naphthyl ether skeleton, and wherein the resin composition for sealing satisfies the following Formula (1): Formula (1) E×(α×10)×(175−Tg)×η≤0.3 1. A resin composition for sealing comprising:(A) an epoxy resin;(B) a curing agent; and(C) a filler,wherein the epoxy resin (A) includes an epoxy resin (A-1) having a naphthyl ether skeleton, and {'br': None, 'i': E', 'Tg, 'sub': 2', '2, 'sup': '−6', '×(α2×10)×(175−)×η≤0.3\u2003\u2003Formula (1)'}, 'wherein the resin composition for sealing satisfies the following Formula (1)wherein, in Formula (1), Tg (° C.) is a glass transition temperature of a cured product of the resin composition for sealing,{'sub': '2', 'α(ppm/° C.) is a coefficient of linear expansion over a range from 190° C. to 230° C. of the cured product, and'}{'sub': '2', 'E(MPa) is a hot elastic modulus at 260° C. of the cured product, and'}{'sub': '2', 'η(MPa) is a rectangular pressure at 175° C. of the resin composition for sealing as measured by the following method;'}(method){'sup': '3', 'the resin composition for sealing is injected, using a low-pressure transfer molding machine, into a rectangular-shaped flow channel having a width of 15 mm, a thickness of 1 mm, and a length of 175 mm under conditions of a mold temperature of 170° C. and an injection flow rate of 177 mm/sec, a change in pressure over time is measured with a pressure sensor embedded at a position 25 mm away from an upstream tip of the flow channel, a lowest pressure (MPa) during a flow of the resin composition for sealing is measured, and the lowest pressure is regarded as the rectangular pressure.'}2. The resin composition for sealing according to claim 1 , wherein the epoxy resin (A) includes an epoxy resin (A-2) other than the epoxy resin (A-1) having a naphthyl ether ...

STABILIZER COMPOSITION FOR SEALANTS AND ADHESIVES

The present invention relates to a liquid stabilizer composition A containing (a) at least one liquid sterically hindered amine (HALS) in which the amino group carries a basicity-reducing substituent and which has a molecular weight of at most 1500 g/mol, preferably of at most 1000 g/mol; (b) at least one sterically hindered amine (HALS) having a molecular weight of more than 1500, preferably of at least 1700 g/mol; and (c) at least one liquid UV absorber. The invention relates also to a polymer composition which is in particular a sealant or adhesive composition, comprising at least one silyl-modified polymer and the stabilizer composition A. The invention relates moreover to the use of the stabilizer composition A in a sealant or adhesive composition. Such sealant or adhesive compositions show improved optical properties, also in the finished sealant or adhesive, such as increased clarity and/or reduced haze, and also an improved stability against degradation by heat, light and/or oxygen. 115.-. (canceled)16. A liquid stabilizer composition , measured according to DIN EN ISO 3219 , comprising:{'sub': 'b', '(a) at least one liquid light stabilizer, measured according to DIN EN ISO 3219, selected from sterically hindered amines (HALS) in which the amino group carries a basicity-reducing substituent, the liquid light stabilizer having a molecular weight of at most 1500 g/mol and have a pKvalue of from 7 to 10;'}{'sub': 'b', '(b) at least one light stabilizer, measured according to DIN EN ISO 3219, selected from sterically hindered amines (HALS) having a molecular weight of more than 1500 g/mol and have a pKvalue of from 7 to 10;'}(c) at least one liquid UV absorber, measured according to DIN EN ISO 3219;(d) optionally at least one antioxidant; and(e) optionally at least one further additive;wherein the basicity-reducing substituent is selected from the group consisting alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, phenyloxy or benzyloxy groups and carbonyl or ...

SEALING COMPOSITIONS, METHOD AND USE FOR SEALING A SERVICE PENETRATION

A method of sealing a service penetration in a structure, the method comprising applying a sealant composition around the service penetration on an exterior surface of the structure, wherein the penetration sealant composition comprises: from 5 to 40 wt % of a filler; from 20 to 80 wt % of a silicone polymer; and from 10 to 60 wt % of fire retardant compound. 1. A method of sealing a service penetration in a structure , the method comprising applying a sealant composition around the service penetration on an exterior surface of the structure , wherein the penetration sealant composition comprises: from 5 to 40 wt % of a filler; from 20 to 80 wt % of a silicone polymer; and from 10 to 60 wt % of fire retardant compound.2. A method according to wherein the filler combines dolomite.3. A method according to or wherein the silicone polymer has a weight average molecular weight of from 200000 to 800000.4. A method according to claim 1 , wherein the silicone polymer has dynamic viscosity of greater than 9000000 mPa·s.5. A method according to claim 1 , wherein the silicone polymer is selected from polydimethylsiloxane claim 1 , divinyl polydimethylsiloxane or mixtures thereof.6. A method according to claim 1 , wherein the fire retardant compound comprises aluminium trihydroxide.7. A method according to claim 1 , wherein the penetration sealant composition comprises from 10 to 30 wt % of dolomite claim 1 , from 30 to 60 wt % of silicone polymer claim 1 , from 35 to 40 wt % of aluminium trihydroxide claim 1 , and from 0.5 to 3 wt % of plasticiser silicone oil.8. A penetration sealant composition comprising:from 5 to 40 wt % of a filler;from 20 to 80 wt % of a silicone polymer; andfrom 10 to 60 wt % of fire retardant compound.9. (canceled)10. The penetration sealant composition of claim 8 , wherein the filler combines dolomite.11. The penetration sealant composition of claim 8 , wherein the silicone polymer has a weight average molecular weight of from 200000 to 800000.12. The ...

SILICONE SEALANT HAVING ADJUSTABLE FLOW PROPERTIES

A single-component moisture-curable silicone composition including 100 parts by weight of at least one crosslinkable polydiorganosiloxane having silanol end groups, 5 to 20 parts by weight of at least one hydrophilic silica, 1 to 10 parts by weight of at least one organoalkoxysilane or organoalkoxysiloxane crosslinker that contains at least 2 alkoxysilane groups, 1 to 7 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least one aminoalkyl group having a primary amino group, 0.1 to 7 parts by weight of at least one tin catalyst, up to 5 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least two alkoxysilane groups, wherein silicone composition contains less than 1.0% by weight of water based on total composition, with proviso where reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane is greater than reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane crosslinker. 1. A one-component moisture-curable silicone composition comprisinga) 100 parts by weight of at least one crosslinkable polydiorganosiloxane OH-PDMS having silanol end groups and a viscosity at 23° C. of 1000 to 350000 mPa·s, measured in accordance with DIN EN ISO 3219;b) 5 to 20 parts by weight of at least one hydrophilic silica KS;c) 1 to 10 parts by weight of at least one organoalkoxysilane or organoalkoxysiloxane crosslinker V that contains at least 2 alkoxysilane groups;d) 1 to 7 parts by weight of an organoalkoxysilane or organoalkoxysiloxane AS that contains at least one aminoalkyl group having a primary amino group;e) 0.1 to 7 parts by weight of at least one tin catalyst K;f) up to 5 parts by weight of an organoalkoxysilane or organoalkoxysiloxane OS that contains at least two alkoxysilane groups;wherein the silicone composition contains less than 1.0% by weight of water based on the total composition, with the proviso that the reactivity in respect of hydrolysis of the ...

Silane Modified Polymers With Improved Properties

The disclosure relates to moisture curable compositions based on a combination of silane-modified polymer and silane functional additive, their manufacture and use. The silane functional additive is preferably prepared from a water miscible polyol having a functionality of about 2 to about 4 and/or a polyol having a tertiary nitrogen atom in the backbone and a functionality equal or greater than about 2. 1. A moisture curable composition comprising a physical blend of: [{'br': None, 'sub': n', 'I, 'B(-A-R—SiXYZ)\u2003\u2003(I).'}, 'wherein B is an organic backbone and B will not be a siloxane backbone,', {'sup': '1', 'A is a divalent linking group linking the polymer backbone to the Rgroup,'}, 'I is an integer from 1 to 6,', 'n is 0 or 1,', {'sub': 1', '12, 'R is a divalent C-Chydrocarbon group that optionally comprises a heteroatom,'}, 'at least one of X, Y and Z is a hydrolysable group;, 'a moisture curable, silane modified polymer of structure (I)'}a moisture curable, silane functional additive that is the reaction product of a mixture comprising an isocyanotosilane and a polyol selected from a polyol having a linear ethylene oxide backbone and a functionality of 2 to 4, a polyol comprising at least one nitrogen atom in the backbone and a functionality equal or greater than 2 and combinations thereof, wherein the polyol is free of groups pendant from the backbone and propylene oxide; anda crosslinker;wherein cured reaction products of the moisture curable composition have greater strength and greater elongation compared to the moisture curable composition without the moisture curable, silane functional additive.2. The moisture curable composition of wherein B is selected from polyurethane claim 1 , polyether or polycarbonate.3. The moisture curable composition of wherein the polyol is water miscible.4. The moisture curable composition of wherein A is selected from amide claim 1 , carbamate claim 1 , urea claim 1 , allophanate claim 1 , biuret claim 1 , ...

Joint sealing compound and tool for the treatment thereof and set and illuminating means

A joint sealing compound for the in-situ production of connection joints in wet areas. The joint sealing compound is based on acrylates. The joint sealing compound is either light-curable only with a light which is outside of the UV range, or the joint sealing compound is curable via a dual-curing process wherein the joint sealing compound is moisture-curing with a light which is outside of the UV range.

ELASTOMERIC SEAL

The present invention provides a seal comprising an elastomeric composite, said composite comprising an elastomeric polymer and a negative thermal expansion (NTE) filler, the NTE filler has a coefficient of thermal expansion (CTE) lower than −6×10-6 K-1 within a temperature range of 220-293 K and is present in an amount of 0.01-50 volume % based on the total volume of the elastomeric composite at 20° C. 1: A seal comprising an elastomeric composite , said composite comprising an elastomeric polymer and a negative thermal expansion (NTE) filler , the NTE filler having a coefficient of thermal expansion (CTE) lower than −6×10Kwithin a temperature range of 220-293 K and being present in an amount of 0.01-50 volume % based on the total volume of the elastomeric composite at 20° C.2: A seal according to claim 1 , wherein the elastomeric composite constitutes more than 10 volume % claim 1 , more than 25 volume % or more than 50 volume % of said seal claim 1 , based on the total volume of the seal.3: A seal according to claim 1 , wherein the amount of NTE filler is in the range of 1.0-30 volume % based on the total volume of the elastomeric composite at 20° C.4: A seal according to claim 1 , wherein the NTE filler has a CTE lower than −6×10K claim 1 , lower than −15×10K claim 1 , lower than −25×10K claim 1 , lower than −30×10K claim 1 , or lower than −35×10K claim 1 , at a temperature within a range of 220-293 K.5: A seal according to claim 1 , wherein the NTE filler has a CTE lower than −6×10K claim 1 , lower than −15×10K claim 1 , lower than −25×10K claim 1 , lower than −30×10K claim 1 , or lower than −35×10K claim 1 , over a temperature range of 220-293 K.6: A seal according to claim 1 , wherein the NTE filler is evenly distributed in the elastomeric composite.7: A seal according to claim 1 , wherein the amount of NTE filler in the elastomeric composite decreases or increases over at least one dimension of the seal.8: A seal according to claim 7 , wherein the amount of ...

METHOD FOR MANUFACTURING ORGANIC ELECTRONIC DEVICE SEALING BODY

The invention is a method for manufacturing an organic electronic device sealing body, adhesively integrating an organic electronic device with a sheet-like sealant made of a modified hydrocarbon-based soft resin having an alkoxysilyl group, the method comprising steps of: step [1]: laminating the organic electronic device and the sheet-like sealant to obtain a laminate; step [2]: putting the resulting laminate into a resin bag, degassing the bag, and then sealing the bag containing the laminate; and step [3]: placing the sealed bag under a pressure of 0.1 MPa or higher to adhesively integrate the laminate. One aspect of the invention provides a method for manufacturing an organic electronic device sealing body which allows industrially-advantageous sealing of the organic electronic device including organic functional elements such as an organic EL element and an organic semiconductor element. 1. A method for manufacturing an organic electronic device sealing body , adhesively integrating an organic electronic device with a sheet-like sealant made of a modified hydrocarbon-based soft resin having an alkoxysilyl group , the method comprising steps of:step [1]: laminating the organic electronic device and the sheet-like sealant to obtain a laminate;step [2]: putting the resulting laminate into a resin bag, degassing the bag, and then sealing the bag containing the laminate; andstep [3]: placing the sealed bag under a pressure of 0.1 MPa or higher to adhesively integrate the laminate.2. The method for manufacturing the organic electronic device sealing body according to claim 1 , wherein the organic electronic device is an organic electronic device including an organic EL element.3. The method for manufacturing the organic electronic device sealing body according to claim 1 , wherein the modified hydrocarbon-based soft resin having the alkoxysilyl group is a modified hydrocarbon-based soft resin obtained by introducing the alkoxysilyl group into at least one ...

POLYETHERETHERKETONE-CONTAINING RESIN COMPOSITION AND SEAL RING

A resin composition includes polyetheretherketone, a polyetheretherketone recycled material, and a filler, wherein a percentage of the recycled material is 25 mass % or higher with respect to a total of the polyetheretherketone and the recycled material; and the filler has a content of from 5 to 30 mass % and has an aspect ratio of from 1 to 3. 13-. (canceled)4. A resin composition comprising:polyetheretherketone;a polyetheretherketone recycled material; anda filler,wherein a percentage of the recycled material is 25 mass % or higher with respect to a total of the polyetheretherketone and the recycled material;the filler has a content of from 5 to 30 mass % and has an aspect ratio of from 1 to 3; andin the case where the recycled material is one obtained by repeating molding and crashing three times, the tensile strength retention rate, all of the bending strength retention rate and the bending elastic modulus retention rate of the resin composition comprising the recycled material are 95% or higher.5. The resin composition as claimed in claim 4 , wherein the filler has an average particle size of 5 to 100 micrometer.6. The resin composition as claimed in claim 4 , wherein the filler includes carbon beads or glass beads.7. A seal ring comprising the resin composition as claimed in . This application is a U.S. National Phase application of International Application No. PCT/JP2019/031523, filed on Aug. 8, 2019 and published in Japanese as WO2020/036129 on Feb. 20, 2020 and claims priority to Japanese Patent Application No. 2018-152759, filed on Aug. 14, 2018. The entire disclosures of the above applications are expressly incorporated by reference herein.The invention relates to a polyetheretherketone-containing resin composition and a seal ring containing of the resin composition.Each resin composition containing a filler and an engineering plastic with excellent thermal stability and mechanical strength has been used instead of metallic material to produce a light- ...

Self-healing water-swellable hydraulic seal

A self-healing hydraulic seal is provided. The self-healing hydraulic seal is prepared from a water-swellable elastomeric composition comprising a base polymer and a plant-based polysaccharide.

SEALING MATERIAL

Provided is a sealing material having low hardness, low density, and excellent sealing properties. A sealing material, made by vulcanizing and foaming a blend containing: a thermoplastic resin; a foaming agent; a vulcanizing agent; and a rubber component containing a rubber copolymer of ethylene, a non-conjugate diene, and an α-olefin with 3 or more carbon atoms; wherein the blend contains 2 to 4 mass parts of stearic acid and 5 to 7 mass parts of CaO in 100 mass parts of the rubber component, and the 50% compressive stress of the sealing material is 100 kPa or less. 1. A sealing material obtained by vulcanizing and expanding an intimate mixture comprising a rubber component containing a copolymeric rubber of ethylene , an α-olefin having 3 or more carbon atoms and a non-conjugated diene , a vulcanizing agent , a foaming agent and a thermoplastic resin , characterized in thatthe intimate mixture includes from 2 to 4 parts by weight of stearic acid and from 5 to 7 parts by weight of calcium oxide per 100 parts by weight of the rubber component, andthe sealing material has a stress under 50% compression of 100 kPa or less.2. The sealing material according to claim 1 , wherein the ratio of the parts by weight of stearic acid to the parts by weight of calcium oxide is from 0.5 to 0.75.3. The sealing material according to claim 2 , wherein the thermoplastic resin is an ethylene-vinyl acetate copolymer.4. The sealing material according to claim 1 , wherein the intimate mixture has a Mooney viscosity of from 10 to 20.5. The sealing material according to claim 1 , wherein the foaming agent is azodicarbonamide. The present invention relates to a sealing material for placing between members and carrying out sealing. The invention relates in particular to a sealing material which uses a rubber foam having a low hardness and a low density, and moreover having a small cell diameter and excellent sealing properties.In structures such as buildings, vehicles and electronic ...

MACHINE COMPONENT COMPOSED OF METAL AND RUBBER AND MANUFACTURING METHOD OF THE SAME

The present invention is intended to provide a machine component composed of metal and rubber that results in no increase of material costs for an adhesive or increase of manufacturing costs for metal molding, causes no contamination of the metal mold or generates no foreign matter on the metal mold due to adhesion of the adhesive at the time of molding, causes no failure by separation of the adhesive from a fitting portion at the time of fitting the metal component, and is clean and favorable in appearance. A machine component composed of metal and rubber is formed by applying a thermoset resin adhesive A to a surface of a metal component of a predetermined shape, and vulcanizing and adhering a rubber of a predetermined shape to part of the surface of the metal component by metal molding. 1. A machine component composed of metal and rubber that is formed by applying a thermoset resin adhesive to a surface of a metal component of a predetermined shape , and vulcanizing and adhering a rubber of a predetermined shape to part of the surface of the metal component by metal molding , whereinthe range of the adhesive applied to the surface of the metal component before the metal molding covers only a joint surface relative to the rubber.2. The machine component composed of metal and rubber according to claim 1 , whereinthe machine component composed of metal and rubber is a protective cover for a bearing device, anda seal as the rubber is vulcanized and adhered to the outer peripheral surface of a cup-shaped stainless-steel main body as the metal component.3. A manufacturing method of a machine component composed of metal and rubber claim 1 , comprising:an adhesive application step of applying a thermoset resin adhesive to a surface of a metal component of a predetermined shape; anda metal molding step of vulcanizing and adhering a rubber of a predetermined shape to part of the surface of the metal component, whereinat the adhesive application step, the adhesive is ...

RHEOLOGY CONTROL AGENT AND CURABLE COMPOSITION USING THE SAME

A rheology control agent for a curable composition includes: a diamide compound (A) and/or a hydrogenated castor oil (A′), the diamide compound (A) being obtained by condensation reaction between a diamine component (A1) and a monocarboxylic acid component (A2); and a polyamide compound (B) obtained by polycondensation of an amine component (B1) and a carboxylic acid component (B2). The amine component (B1) contains at least one amine selected from the group consisting of a diamine and a triamine having 2 to 54 carbon atoms. The carboxylic acid component (B2) contains at least one carboxylic acid selected from the group consisting of a dicarboxylic acid and a tricarboxylic acid having 4 to 54 carbon atoms. The polyamide compound (B) is obtained by polycondensation of at least one of the amine component (B1) and the carboxylic acid component (B2) containing polymerized fatty acids.

VINYL CHLORIDE SOL-BASED ULTRAVIOLET CURABLE SEALING MATERIAL

Provided is a UV curable sealing material containing a vinyl chloride sol as a main ingredient, the film strength of the sealing material being not reduced even in a thin film, the sealing material thus having high resistant pressure against a hem blister. Provided is a vinyl chloride sol composition containing a vinyl chloride-based resin, a UV curable resin having a polar group (functional group), a blocked isocyanate resin, and a filler, the vinyl chloride sol composition being characterized by containing the UV curable resin having a polar group (functional group) in an amount of 20 to 100 parts by weight, the blocked isocyanate resin in an amount of 10 to 50 parts by weight, and the filler in an amount of 50 to 160 parts by weight, relative to 100 parts by weight of the vinyl chloride-based resin. 1. A vinyl chloride sol composition comprising a vinyl chloride-based resin , a UV curable resin having a polar group (functional group) , a blocked isocyanate resin , and a filler ,the vinyl chloride sol composition containing the UV curable resin having a polar group (functional group) in an amount of 20 to 100 parts by weight, the blocked isocyanate resin in an amount of 10 to 50 parts by weight, and the filler in an amount of 50 to 160 parts by weight, relative to 100 parts by weight of the vinyl chloride-based resin.2. The vinyl chloride sol composition according to claim 1 , further comprising a urethane acrylate-based UV curable resin in an amount of 20 to 100 parts by weight relative to 100 parts by weight of the vinyl chloride-based resin.3. The vinyl chloride sol composition according to claim 1 , comprising claim 1 , as the filler claim 1 , a silica in an amount of 0 to 100 parts by weight relative to 100 parts by weight of the vinyl chloride-based resin.4. The vinyl chloride sol composition according to claim 1 , comprising claim 1 , as the filler claim 1 , a hydrophobically surface-treated silica in an amount of 0 to 100 parts by weight relative to 100 ...

PULTRUSION WITH EXTRUDED GASKET FOAM

The present teachings generally provide a system comprising a pultruded profile and a two-part system with a first component including one or more epoxy resins and a second component including one or more phosphate esters such that mixing the first component and second component forms an activatable material that activates at a temperature of about 0° C. to about 50° C. The activatable material is extruded onto the pultruded profile such that residual heat from pultrusion in the pultruded profile activates the activatable material. 1. A system comprising:(a) a pultruded profile; and (1) a first component including one or more epoxy resins;', '(2) a second component including one or more phosphate esters; and, '(b) a two-part system comprisingwherein, mixing the first component and second component forms an activatable material that activates at a temperature of about 0° C. to about 50° C.2. The system of claim 1 , wherein the activatable material is extruded onto the pultruded profile such that residual heat from pultrusion in the pultruded profile activates the activatable material.3. The system of claim 1 , wherein the second component includes three of the one or more phosphate esters.4. The system of claim 2 , wherein the one or more phosphate esters includes a phosphate ester derived from cashew nut shell liquid (CNSL).5. The system of claim 1 , wherein the one or more phosphate esters includes a phosphate ester derived from 2-ethylhexyl glycidyl ether.6. The system of claim 1 , wherein the first component includes one or more first component additives.7. The system of claim 6 , wherein the one or more first component additives includes calcium carbonate claim 6 , minerals claim 6 , reinforcing fiber claim 6 , hydrophobic silica claim 6 , or any combination thereof.8. The system of claim 7 , wherein the calcium carbonate is present in an amount from about 15% to about 25% by weight.9. The system of claim 8 , wherein the calcium carbonate includes an ultrafine ...

SEALING MATERIAL, METHOD FOR MANUFACTURING SEALING MATERIAL, AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE

A sealing material for sealing a light-emitting element, wherein: the sealing material has a bonding surface capable of being in contact with the light-emitting element; and the bonding surface has an arithmetic average roughness of 10 nm or more and 1,000 nm or less. The sealing material preferably has a storage elastic modulus at 90° C. of 10 MPa or more. The sealing material preferably contains a metal compound. A method for producing a light-emitting device, including the steps of: bonding a bonding surface of the sealing material to a light-emitting element; and bonding a barrier member to a surface of the sealing material on a side opposite to the bonding surface. 1. A sealing material for sealing a light-emitting element , wherein:the sealing material has a bonding surface capable of being in contact with the light-emitting element; andthe bonding surface has an arithmetic average roughness of 10 nm or more and 1,000 nm or less.2. The sealing material according to claim 1 , wherein the sealing material has a storage elastic modulus at 90° C. of 10 MPa or more.3. The sealing material according to claim 1 , wherein the sealing material has a tensile elastic modulus at 23° C. of 1 claim 1 ,500 MPa or less.4. The sealing material according to claim 1 , wherein the sealing material is formed of a thermoplastic resin.5. The sealing material according to claim 4 , wherein the thermoplastic resin contains a hydrogenated product of an aromatic vinyl compound-conjugated diene block copolymer.6. The sealing material according to claim 1 , wherein the sealing material contains a metal compound.7. A method for producing the sealing material according to claim 1 , comprising the steps of:molding a resin for forming the sealing material to obtain a resin film; andprocessing a surface of the resin film to form a bonding surface having an arithmetic average roughness of 10 nm or more and 1,000 nm or less.8. A method for producing a light-emitting device claim 1 , comprising ...

LIQUID COAGULANT AND TIRE PUNCTURE SEALING MATERIAL SET

Disclosed is a liquid coagulant which can be injected into the inside of a tire without the need of removing the tire from a rim and which can prevent the scattering of a residue of a tire puncture sealing material when the tire is removed from the rim. The liquid coagulant can coagulate an emulsion that contains natural rubber latex and/or a synthetic resin emulsion. The liquid coagulant contains a foaming agent capable of foaming the emulsion. Also disclosed is a tire puncture sealant set including the coagulant and a method of coagulating a tire puncture sealant. 1. A tire puncture sealant set , comprising:a tire puncture sealant which contains a natural rubber latex,a synthetic resin emulsion, andan antifreezing agent; anda liquid coagulant for coagulating the tire puncture sealant,wherein the liquid coagulant includes a blowing agent for foaming the tire puncture sealant, and the blowing agent is one of a reactive blowing agent using a urethane resin and/or an acrylic resin having two or more carboxy groups and a hydrogencarbonate salt; and a reactive blowing agent using a polyisocyanate compound.2. The tire puncture sealant set according to claim 1 , wherein the synthetic resin emulsion is at least one of an ethylene vinyl acetate emulsion claim 1 , an acrylic emulsion claim 1 , and a urethane emulsion.3. The tire puncture sealant set according to claim 1 , wherein the antifreezing agent is at least one of ethylene glycol claim 1 , propylene glycol claim 1 , diethylene glycol claim 1 , glycerin claim 1 , methanol claim 1 , ethanol claim 1 , and isopropyl alcohol.4. The tire puncture sealant set according to claim 1 , wherein the liquid coagulant further comprises an antifreezing agent.5. The tire puncture sealant set according to claim 4 , wherein the antifreezing agent is at least one of ethylene glycol claim 4 , propylene glycol claim 4 , diethylene glycol claim 4 , glycerin claim 4 , methanol claim 4 , ethanol claim 4 , and isopropyl alcohol.6. A method of ...

MATERIAL FOR GASKET

A material for gaskets is disclosed, wherein a metal surface coating layer, a primer layer and a rubber layer are formed, or a metal surface coating layer and a rubber layer are formed on at least a part of one side or both sides of a substrate formed of a metal plate sequentially from the metal plate side, and the metal surface coating layer comprises (A) one or more carbonates selected from the group consisting of Mg carbonate, Co carbonate, Zr carbonate, Mn carbonate, Ni carbonate, and Cu carbonate and (B) one or more selected from the group consisting of silica, alumina, zirconia, and titania. 1. A material for gaskets , comprising at least a substrate formed of a metal plate , a metal surface coating layer formed on one side surface or both side surfaces of the substrate , and a rubber layer formed via the metal surface coating layer , whereinthe metal surface coating layer comprises (A) one or more carbonates selected from the group consisting of Mg carbonate, Co carbonate, Zr carbonate, Mn carbonate, Ni carbonate, and Cu carbonate and (B) one or more selected from the group consisting of silica, alumina zirconia, and titania.2. The material for gaskets according to claim 1 , comprising a primer layer formed between the metal surface coating layer and the rubber layer claim 1 , wherein the primer layer comprises a cured product of a phenolic resin or a cured product of an epoxy resin.3. The material for gaskets according to claim 1 , wherein rubber forming the rubber layer is nitrile rubber.4. The material for gaskets according to claim 1 , wherein rubber forming the rubber layer is Fluorocarbon Rubber.5. The material for gaskets according claim 1 , wherein the metal surface coating layer is a surface coating layer formed by applying claim 1 , a treatment liquid for forming a metal surface coating layer comprising (A) one or more carbonates selected from the group consisting of Mg carbonate claim 1 , Co carbonate claim 1 , Zr carbonate claim 1 , Mn carbonate ...

SEALING COMPOSITION AND METHOD OF PRODUCING THE SAME

Provided are low-density sealing compositions having high tensile strength and a method of producing the same. The sealing compositions may contain a polyvinyl chloride resin, surface-treated hollow glass microspheres and a plasticizer, and contains 30 to 60 vol % hollow glass microsphere. 1. A sealing composition comprising a polyvinyl chloride resin , hollow glass microspheres having a surface treatment , and a plasticizer , the sealing composition containing 30 to 60 vol % of the hollow glass microspheres.2. The sealing composition according to claim 1 , wherein a mass ratio of the plasticizer to the polyvinyl chloride resin is 0.8 to 5.3. The sealing composition according to claim 1 , wherein the surface treatment is a surface treatment with an aminosilane.4. The sealing composition according to claim 1 , wherein the sealing composition contains 40 to 60 vol % of the hollow glass microspheres.5. The sealing composition according to claim 1 , wherein the plasticizer is at least one selected from a group including phthalate esters claim 1 , nonaromatic dibasic acid esters claim 1 , and phosphate esters.6. The sealing composition according to claim 5 , wherein the plasticizer comprises a phthalate ester.7. The sealing composition according to claim 6 , wherein the plasticizer comprises dioctyl phthalate.8. The sealing composition according to claim 1 , wherein a viscosity at a shear speed of 60 sis 4 Pa·s to 50 Pa·s.9. The sealing composition according to claim 1 , wherein a tensile strength of a cured product is 0.4 MPa or higher.10. The sealing composition according to claim 1 , wherein the sealing composition is used in automotive paint.11. A method of producing the sealing composition according to claim 1 , the method comprising:surface treating hollow glass microspheres with a silane compound surface treatment, and mixing the surface-treated hollow glass microspheres with a polyvinyl chloride resin and a plasticizer.12. The method according to claim 11 , ...

ULTRA PURE RUBBER AND METHOD THEREOF

The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom. 1. A sealant comprising:i) 0.1 to 60 weight percent of a copolymer composition comprising at least 96.0 weight percent of a copolymer and at least one lower critical solution temperature (LCST) compound;ii) 0.1 to 40 weight percent of at least one filler;iii) 0.1 to 30 weight percent of at least one secondary rubber;iv) 0.01 to 2 weight percent of at least one anti-oxidant;v) zero, or from 0.01 to 30 weight percent of at least one non-crystalline thermoplastic;wherein the copolymer includes at least one isoolefin monomer and at least one multiolefin monomer; andwherein the total amount of the copolymer composition, the at least one filler, the at least one secondary rubber, the at least one anti-oxidant, and the at least one non-crystalline thermoplastic is 80 to 100 weight percent, based on the total weight of the sealant.2. The sealant of claim 1 , wherein the copolymer composition is provided as particles.3. The sealant of claim 2 , wherein the sealant includes 98.5 weight percent or more of the copolymer composition.4. The sealant of claim 3 , wherein the sealant comprises a ratio of copolymer to carboxylic acid salts of mono- and multivalent ions of at least 250:1.5. The sealant of claim 2 , wherein the copolymer composition includes 1 ppm to 5 claim 2 ,000 ppm of the at least one LCST compound claim 2 , wherein the copolymer composition has an ash content of 0.25 weight percent or less claim 2 , as measured according to ASTM D 5667.6. The sealant of claim 2 , wherein the copolymer composition comprises:100 parts by weight of the copolymer;0.0001 to 0.5 parts by weight of the at least one LCST compound;zero, or from 0.0001 to 0.4 parts by weight of one or more non-LCST compounds;zero, or from 0.005 to 0.3 ...

Highly Active Double Metal Cyanide Compounds

The present invention is directed to supported catalyst having utility in the polymerization and co-polymerization of epoxide monomers, said supported catalyst having the general Formula (I): 1. A supported catalyst having the general Formula (I):{'br': None, 'i': 'b', '[DMCC]*Supp\u2003\u2003(I)'} Supp denotes a hydrophobic support material; and,', 'b represents the average proportion by weight of said support material, based on the total weight of [DMCC] and Supp;', 'wherein the hydrophobic support material is selected from the group consisting of hydrophobic materials having a methanol wettability value of at least 30 vol. %; carbonaceous inorganic solid materials; and inorganic solid materials which are isoelectronic with carbon., 'wherein: [DMCC] denotes a double metal cyanide complex which comprises a double metal cyanide (DMC) compound, at least one organic complexing agent and a metal salt;'}2. The supported catalyst according to claim 1 , wherein b is in the range of 10 wt. %≤b≤70 wt. %.3. The supported catalyst according to claim 1 , wherein said double metal cyanide complex [DMCC] is represented either by the general Formula (II-A){'br': None, 'sup': 1', '2', '3, 'sub': d', 'e', 'f', 'g, 'i': *x', '*y, 'M[M(CN)]M(X)H2O*ωL\u2003\u2003(II-A); or'}{'br': None, 'by general Formula (II){'br': None, 'sup': 1', '2', '3', '1', '2, 'sub': d', 'e', 'f', 'g, 'i': *x', '*y', 'z', '*a, 'M[M(CN)]M(X)H2O*LL\u2003\u2003(II)'}{'sup': '1', 'claim-text': [{'sup': '2', 'Mis a Fe, Co, Mn, Cr, Ir, Rh, Ru or V ion;'}, {'sup': '3', 'Mis a Zn, Fe, Co, Ni, Mn, Cu, Sn, Pb, Cr, Ir, Rh, Ru or V ion;'}, 'X is an anion;', 'L is an organic complexing agent;', {'sup': 1', '2, 'Land Lare distinct from one another and represent respectively first and second organic complexing agents;'}, {'sup': 1', '2', '3, 'sub': d', 'e', 'f', 'g, 'd, e, f and g are each integers >0 but have values such that the complex M[M(CN)]*xM(X)is electrically neutral;'}, '0.1≤x≤5;', '0.1≤y≤1;', '0.0001≤ω≤6;', '0. ...

Polyurethane polymer having a hardness of less than or equal to 60 Shore A

The present invention relates to a novel thermoplastically processible polyurethane polymer having a hardness of ≤60 Shore A, to compositions containing this polyurethane polymer, to the uses thereof and to articles containing this polyurethane polymer. 1. A thermoplastically processible polyurethane polymer having a hardness of ≤60 Shore A , obtained by reacting the following components(A) one or more essentially linear polyether polyols and/or polyester polyols, where a total amount of component (A) has an average molecular weight in a range from 500 g/mol to 5000 g/mol, Mn having been calculated from an OH number determined according to DIN53240,(B) one or more diisocyanates comprising 2-methyl-1,5-diisocyanatopentane, 1,4-diisocyanatobutane, 1,5-diisocyanatopentane, 1,6-diisocyanatohexane, 2,2,4-trimethyl-1,6-diisocyanatohexane, 2,4,4-trimethyl-1,6-diisocyanatohexane, or diphenylmethane diisocyanate isomer mixtures having a diphenylmethane 4,4′-diisocyanate content of >96% by weight,(C) one or more linear diols having a molecular weight of 62 g/mol to 500 g/mol,(D) optionally in the presence of one or more catalysts,(E) optionally in the presence of one or more additives, auxiliaries, additions, or a combination thereof, and(F) optionally in the presence of one or more monofunctional chain terminators,wherein the reaction is performed in a solvent-free fashion and comprises:1) providing and reacting a mixture made up of the total amount of component (A), a portion of component (B) and optionally a portion or a total amount of component (D), component (E), component (F), or a combination thereof, to give an NCO-functional prepolymer, where-in there is a molar ratio of component (B) to component (A) in the range from 1.1:1.0 to 5.0:1.0,2) reacting the NCO-functional prepolymer with a total amount of component (C) to obtain an OH-functional prepolymer, optionally in the presence of a further portion of component (D), component (E), component (F), or a combination ...

Curing agent mixture

A curing agent mixture is for coatings that cure at room temperature. The curing agent mixture can include (A) 10-60% by weight, preferably 20-60% by weight, more preferably 30-50% by weight, of a polysiloxane, (B) 40-90% by weight, preferably 40-80% by weight, more preferably 40-70% by weight, of an amino-functional alkoxysilane and (C) 1-10% by weight, preferably 2-7% by weight, more preferably 3-5% by weight, of a guanidine compound. The stated amounts of components (A), (B), and (C) add up to 100% by weight and are based on the curing agent mixture. 1. A curing agent mixture for coatings that cure at room temperature , the curing agent mixture comprising:(A) 10-60% by weight of a polysiloxane,(B) 40-90% by weight of an amino-functional alkoxysilane, and(C) 1-10% by weight of a guanidine compound,wherein (A), (B), and (C) add up to 100% by weight and are based on the curing agent mixture.2. The curing agent mixture according to claim 1 , wherein a weight ratio A:B is from 1:9 to 3:2.3. The curing agent mixture according to claim 1 , wherein the component (A) is a compound of the general formula (I):{'br': None, 'sub': a', 'b', '(4-a-b)/2, 'RSi(OR′)O\u2003\u2003(I),'} a and b are independently greater than 0 to less than or equal to 2, and a+b is less than 4,', 'R is independently identical or different linear or branched, saturated or else mono- or polyunsaturated or aromatic hydrocarbon radicals, and', 'R′ is an alkyl group comprising 1 to 8 carbon atoms., 'in which'}4. The curing agent mixture according to claim 3 , wherein component (A) is a compound of the general formula (I) claim 3 , wherein R is at least one selected from the group consisting of a phenyl group and a methyl group claim 3 , and R′ is a methyl group.5. The curing agent mixture according to claim 4 , wherein a numerical phenyl to methyl ratio claim 4 , based on the number of moles in component (A) claim 4 , is in a range from 1:0.1 to 0.1:1.6. The curing agent mixture according to claim 1 , ...

METHODS FOR MAKING A PLASTICIZED POLYMER, METHODS FOR MAKING A COMPOSITION USING THE PLASTICIZED POLYMER, AND COMPOSITIONS COMPRISING THE PLASTICIZED POLYMER

A method for making a plasticized polymer comprises polymerizing a polymerizable monomer, such as an ethylenically unsaturated monomer, in a plasticizer, such as mineral oil, and in the presence of a catalyst system. The plasticized polymer may be mixed with a tackifying resin in a method for making an adhesive. A composition, which may be useful as an adhesive, comprises a polymer system comprising a first polymer; a plasticized system comprising a first plasticizer that was in the presence of the first polymer during the polymerization step to make the first polymer; and a tackifier. The method can be used to make compositions having polymers with a low density or a low molecular weight or both. The final compositions made by methods of the invention include adhesives, sealants, coating, or lubricants. 1. A method for making a plasticized polymer comprising the step of:polymerizing a polymerizable monomer in a plasticizer and in the presence of a catalyst system for a time and temperature sufficient to form the plasticized polymer.2. The method of claim 1 , wherein the polymerizing step is a batch process.3. The method of claim 1 , wherein the polymerizing step is a continuous process.4. The method of claim 1 , wherein the molecular weight of the polymer is between about 5 claim 1 ,000 to about 200 claim 1 ,000 g/mol claim 1 , preferably between about 7 claim 1 ,500 g/mol to about 150 claim 1 ,000 g/mol claim 1 , more preferably between about 10 claim 1 ,000 g/mol to about 100 claim 1 ,000 g/mol claim 1 , and most preferably between about 10 claim 1 ,000 g/mol to about 80 claim 1 ,000 g/mol.5. The method of claim 1 , wherein the amount of monomer added is sufficient to provide an amount of polymer in the plasticized polymer of from about 2 wt % to an amount just below the solubilization limit of the plasticized polymer at 230° C.6. The method of claim 1 , wherein the monomer comprises an unsaturated monomer.7. The method of claim 6 , wherein the unsaturated ...

MOLDED BODY AND METHOD FOR PRODUCING SAME

A formed body including: a polytetrafluoroethylene or a modified polytetrafluoroethylene; and an unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt %. 1. A formed body comprising:a polytetrafluoroethylene or a modified polytetrafluoroethylene; andan unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt %.2. The formed body according to claim 1 , wherein the content of the unmodified polymerization inhibitor is 0.3 to 15 wt %.3. The formed body according to claim 1 , wherein the unmodified polymerization inhibitor is di-β-naphthyl-p-phenylene diamine.4. The formed body according to claim 1 , wherein the formed body does not comprise a sulfur-containing compound.5. The formed body according to claim 1 , wherein the content of the unmodified polymerization inhibitor is 0.5 to 8 wt %.6. The formed body according to claim 1 , wherein the formed body has a whiteness degree of 15 or more and a yellowness degree of 65 or less.7. The formed body according to claim 1 , wherein the formed body further comprises one or more selected from the group consisting of alumina claim 1 , titanium oxide claim 1 , silica claim 1 , barium sulfate claim 1 , silicon carbide claim 1 , silicon nitride claim 1 , glass fiber claim 1 , glass beads and mica.8. The formed body according to claim 1 , wherein the formed body is a gasket.9. The formed body according to claim 1 , wherein the formed body is a monomer-resistant gasket.10. A method for producing the formed body according to claim 1 , the method comprising the steps of:filling a mold with a raw material comprising 80 to 99.95 wt % of a polytetrafluoroethylene or a modified polytetrafluoroethylene and 0.05 to 20 wt % of a polymerization inhibitor, and subjecting the raw material to compression molding under a surface pressure of 20 to 60 MPa to form a compression-molded body; andfiring the compression-molded body at 350 to ...

SEAL ELEMENT

The present invention provides a seal element made in an elastomeric composite, said material comprising an elastomeric polymer and a phase change material (PCM), wherein the PCM is able to provide thermal energy to the elastomeric polymer upon cooling to the phase transition point of the PCM. 1: A seal element which is comprised of an elastomeric composite comprising an elastomeric polymer blended with a phase change material (PCM) , the PCM having a heat of fusion larger than 100 kJ/kg and a phase transition point within the temperature range of 233-288 K , wherein the PCT provides heat to the elastomeric polymer upon cooling of the seal element to the phase transition point of the PCM.2: A seal element according to claim 1 , wherein the amount of PCM is in the range of 1-25% v/v based on the total volume of the elastomeric composite at 20° C.3: A seal element according to claim 1 , wherein the elastomeric composite constitutes more than 20% v/v claim 1 , more than 50% v/v claim 1 , more than 90% v/v claim 1 , more than 95% v/v or more than 99% v/v of said seal element based on the total volume of the seal element.4: A seal element according to claim 1 , wherein the PCM has a heat of fusion greater than 150 kJ/kg claim 1 , greater than 200 kJ/kg claim 1 , greater than 300 kJ/kg or greater than 350 kJ/kg.5: A seal element according to claim 1 , wherein the phase transition point is within the temperature range of 243-283 K.6: A seal element according to claim 1 , wherein the elastomeric polymer is a synthetic rubber.7: A seal element according to claim 6 , wherein the synthetic rubber is chosen from the group of NBR (nitrile butadienes) claim 6 , HNBR (hydrogenated nitrile butadienes) claim 6 , FKM (fluoroelastomers) or FFKM (perfluoroelastomers) claim 6 , or any combination thereof.8: A seal element according to claim 1 , wherein the PCM is chosen from the group of paraffins including octadecane claim 1 , fatty acids claim 1 , fatty esters claim 1 , alcohols claim ...

DEGRADABLE RUBBER COMPOSITIONS

This disclosure relates to degradable rubber compositions, such as those, for example, comprising at least one natural rubber; at least one polyurethane; at least one curing agent; and at least one complex using zinc chloride and a disulfide, wherein the degradable rubber composition is degradable in an aqueous composition. 2. The degradable rubber composition of further comprising:at least one carbon black;at least one zinc soap;at least one vulcanization accelerant;at least one polymerization accelerant;at least one stearic acid;or combinations thereof.3. The degradable rubber composition of claim 1 , wherein the aqueous composition is selected from the group consisting of water claim 1 , water solutions claim 1 , downhole water-based solutions claim 1 , aqueous-based solutions claim 1 , and at least one brine.4. The degradable rubber composition of claim 1 , wherein the degradable rubber composition degrades from about 25% to about 90% within a period of time claim 1 , the period of time selected from the group consisting of about 1 day claim 1 , about 3 days claim 1 , about 7 days claim 1 , about 14 days claim 1 , about 21 days claim 1 , and about 28 days.5. The degradable rubber composition of claim 1 , wherein the degradable rubber composition degrades from about 25% to about 90% at a temperature claim 1 , the temperature selected from the group consisting of about 50° F. (10° C.) claim 1 , about 75° F. (23.9° C.) claim 1 , about 100° F. (37.8° C.) claim 1 , about 125° F. (51.7° C.) claim 1 , about 150° F. (65.6° C.) claim 1 , about 175° F. (79.4° C.) claim 1 , about 200° F. (93.3° C.) claim 1 , about 225° F. (107.2° C.) claim 1 , about 250° F. (121.1° C.) claim 1 , about 275° F. (135° C.) claim 1 , and about 300° F. (148.9° C.).6. The degradable rubber composition of claim 1 , wherein the degradable rubber composition degrades from about 25% to about 90% within about 14 days at about 200° F. (93.3° C.).7. The degradable rubber composition of claim 1 , wherein ...

Acrylic rubber, acrylic rubber composition, cross-linked acrylic rubber product, and seal member

An acrylic rubber contains (a) methyl methacrylate units, (b) ethyl acrylate units, (c) n-butyl acrylate units, (d) 2-methoxyethyl acrylate units, and (e) cross-linking site monomer units, in which the acrylic rubber contains 10 to 20% by weight of (a) the methyl methacrylate units, 15% by weight or less of (b) the ethyl acrylate units, 60 to 80% by weight of (c) the n-butyl acrylate units, 10 to 30% by weight of (d) the 2-methoxyethyl acrylate units, and 0.5 to 5% by weight of (e) the cross-linking site monomer units.

Seal and method of forming

A seal can include a body including a thermoplastic material and a filler material including a fluoropolymer. The fluoropolymer can include a modified fluoropolymer. The body can include an elongation-at-break of at least 3%. In an embodiment, the seal can include a seal ring, wherein the body of the seal ring can include a weld.

ELASTOMER PRECURSOR COMPRISING THERMOPLASTIC VULCANIZATE OR RUBBER PARTICLES INCORPORATED INTO A THERMOPLASTIC POLYMER IN A RUBBER MATRIX

A precursor to an elastomeric composition with improved properties is disclosed. The precursor comprises a cross-linkable rubber, a thermoplastic vulcanizate, and a cross-linking agent. An elastomeric composition produced by cross-linking of the rubber in the precursor and methods for manufacture of the precursor and the elastomeric composition are disclosed as well. 1. A method for making a precursor to an elastomeric material comprising:mixing rubber and at least one material selected from TPV, thermoplastic incorporating microparticles of rubber, and any combination thereof; andadding at least one cross-linking agent.2. The method according to claim 1 , wherein the mixing step is performed with an apparatus selected from mixers claim 1 , extruders claim 1 , and mills.3. The method according to claim 1 , wherein the mixing step comprises mixing at an operating temperature above the melting point of said TPV.4. The method according to claim 1 , wherein the mixing step comprises mixing at an operating temperature of about 150° C. to 270° C.5. A method of making an elastomeric material comprising the steps for making a precursor to an elastomeric material by the method of ; andactivating said cross-linking agent.6. A roofing material claim 1 , sealing material claim 1 , automotive component claim 1 , medical device claim 1 , protective clothing claim 1 , concertina bellows for buses or trains claim 1 , an inflatable product claim 1 , a membrane claim 1 , or a diaphragm comprising a precursor to an elastomeric material claim 1 , wherein said precursor comprises:a rubber;a material incorporated into the rubber, said material comprising thermoplastic vulcanizate (TPV), microparticles of TPV, thermoplastic incorporating microparticles of rubber, or any combination thereof; andat least one cross-linking agent.7. A microfluidic device made from a precursor to an elastomeric material claim 1 , wherein said precursor comprises:a rubber;a material incorporated into the rubber ...

RESIN COMPOSITION FOR SEALING ELECTRONIC CONTROL DEVICE, ELECTRONIC CONTROL DEVICE AND METHOD FOR PRODUCING SAME

A resin composition for sealing an electronic control device, which contains (A) at least one type of thermosetting resin selected from among an unsaturated polyester resin and a vinyl ester resin, (B) a polymerizable unsaturated compound, (C) an inorganic filler, (D) glass fibers, (E) an internal mold release agent, (F) a coupling agent, and (G) a curing agent, and in which, relative to a total of 100 parts by mass of the thermosetting resin (A) and the polymerizable unsaturated compound (B), the content of the inorganic filler (C) is 150 to 700 parts by mass, the content of the glass fibers (D) is 0.1 to 60 parts by mass, and the content of the coupling agent (F) is 1.4 to 20 parts by mass. 1. A resin composition for sealing an electronic control device , the resin composition comprising:(A) at least one type of thermosetting resin selected from among an unsaturated polyester resin and a vinyl ester resin,(B) a polymerizable unsaturated compound,(C) an inorganic filler,(D) glass fibers,(E) an internal mold release agent,(F) a coupling agent, and(G) a curing agent,wherein, relative to a total of 100 parts by mass of the thermosetting resin (A) and the polymerizable unsaturated compound (B), the content of the inorganic filler (C) is 150 to 700 parts by mass, the content of the glass fibers (D) is 0.1 to 60 parts by mass, and the content of the coupling agent (F) is 1.4 to 20 parts by mass.2. The resin composition for sealing an electronic control device according to claim 1 , wherein the content of the coupling agent (F) is 3.0 to 15 parts by mass relative to a total of 100 parts by mass of the thermosetting resin (A) and the polymerizable unsaturated compound (B).3. The resin composition for sealing an electronic control device according to claim 1 , wherein the inorganic filler (C) is a powder and has an average primary particle diameter of 0.5 to 30 μm.4. The resin composition for sealing an electronic control device according to claim 1 , wherein the inorganic ...

SILICONE-POLYETHER COPOLYMER, ISOCYANATE-FUNCTIONAL SILICONE-POLYETHER COPOLYMER FORMED THEREWITH, SILICONE-POLYETHER-URETHANE COPOLYMER, SEALANTS COMPRISING SAME, AND RELATED METHODS

A silicone-polyether copolymer has the formula X—Y, where X is a silicone moiety having a particular structure and Y is a polyether moiety. An isocyanate-functional silicone-polyether copolymer formed therewith is also disclosed. Further, a silicone-poly-ether-urethane copolymer formed with the isocyanate-functional silicone-polyether copolymer is disclosed. Related methods of preparation as well as sealants and cured products thereof are further disclosed. 3. The silicone-polyether copolymer of claim 1 , wherein: {'br': None, 'sub': 2', '40', 'x', '3', '6', 'y', '4', '8', 'z, '—(CH)(CHO)(CHO)H,'}, '(i) the polyether moiety Y has the formula'}wherein subscript x is from 0 to 200; subscript y is from 1 to 200; and subscript z is from 0 to 200; and wherein units indicated by subscripts x, y and z may be in randomized or block form in the polyether moiety Y;(ii) the polyether moiety Y has a number average molecular weight of at least about 100; or(iii) both (i) and (ii).4. The silicone-polyether copolymer of claim 1 , wherein:{'sup': '1', '(i) each Ris methyl;'}{'sup': '2', '(ii) Ris propyl;'}(iii) each a is 0;{'sup': '1', 'sub': 2', '4, '(iv) each Dis CH; or'}(v) any combination of (i) to (iv).5. A method of preparing a silicone-polyether copolymer claim 1 , said method comprising:reacting a polyether compound having one terminal unsaturated group and one terminal hydroxyl group and an organosilicon compound in the presence of a hydrosilylation catalyst to give the silicone-polyether copolymer;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'wherein the silicone-polyether copolymer is according to .'}6. The method of claim 5 , wherein one of provisos I) and II) below is true: {'br': None, 'sup': '3', 'sub': n', '2n', 'w′, 'RO(CHO)H,'}, 'I) the polyether compound has the formula'}{'sup': '3', 'wherein Ris an unsaturated group having from 2 to 6 carbon atoms; each subscript n is independently selected from 2 to 4 in each moiety indicated by subscript w′; and subscript ...

SEAL MEMBER

A seal member includes silicone rubber mixed with a polyrotaxane. The seal member includes the polyrotaxane in an amount of 3 to 10 parts by mass per 100 parts by mass of the silicone rubber. This configuration can allow molecules in the silicone rubber to slide on one another, so that the rubber material is easily deformed according to stress applied, such as insertion and removal of terminal metal pieces. Accordingly, scratch damage of the seal member can be reduced. 1wherein the polyrotaxane is mixed in an amount of 5 to 10 parts by mass per 100 parts by mass of the silicone rubber.. A seal member comprising silicone rubber mixed with a polyrotaxane, This application is a Continuation of PCT Application No. PCT/JP2015/074089, filed on Aug. 26, 2015, and claims the priority of Japanese Patent Application No. 2014-180917, filed on Sep. 5, 2014, the content of all of which is incorporated herein by reference.1. Technical FieldThe present invention relates to seal members. More particularly, the present invention relates to a seal member with reduced scratch damage.2. Related ArtWaterproof connectors have been disclosed in which a mat seal as a seal member is placed into a cable leading part of an outer housing (for example, refer to Patent Literature 1). Such a mat seal has a plurality of insertion holes into which terminal metal pieces and cables are inserted. A waterproof connector is prevented from water permeation such that circumferences of the terminal metal pieces and cables inserted into the insertion holes are brought into close contact with inner surfaces of the insertion holes.In association with a tendency to reduce the size of connectors, there is an increasing demand for thinner rubber parts and smaller insertion holes provided on mat seals. The size of insertion holes on a mat seal is required to be reduced when used for a cable in accordance with the International Organization for Standardization (ISO) standards, which are much detailed, as compared ...

Latent curing agent and curable polyurethane composition

A compound of formula (I) having advantageous properties when used as a latent curing agent for compositions containing isocyanate groups, and to compositions containing the compound of formula (I). The compound of formula (I) is odourless, is liquid and has comparatively low viscosity at room temperature and is stable in storage together with isocyanates. It makes possible odourless single-component polyurethane compositions which have good stability in storage, do not produce bubbles when cured in the presence of moisture, and cause no problematic odour emissions, giving a cured elastic material having good mechanical properties, good heat stability, a surprisingly non-adhesive surface and little tendency towards plasticizer migration.

SEALING RESIN COMPOSITION

The present invention provides a sealing resin composition containing a polyester resin (A), carbodiimide (B) and an antioxidant (C). 1. A sealing resin composition containing a polyester resin (A) , carbodiimide (B) and an antioxidant (C).2. The sealing resin composition according to claim 1 , wherein acid value of the polyester resin (A) is 100 equivalents/10g or less.3. The sealing resin composition according to claim 1 , wherein the resin composition further contains epoxy (D).4. The sealing resin composition according to claim 1 , wherein the resin composition further contains polyolefin (E).5. The sealing resin composition according to claim 1 , wherein the resin composition further contains a terpene-modified phenol resin (F).6. A sealed body which is sealed by the sealing resin composition mentioned in . The present invention relates to a sealing resin composition. More particularly, it relates to a sealing resin composition which can seal electrical/electronic parts.In electrical/electronic parts which have been widely used for automobiles and electric appliances, electrical insulation property thereof to an outside is essential for achieving their intended use. For example, an electric wire is coated with a resin having electrical insulation property. Recently, need for stuffing electrical/electronic parts having complicated shapes into small volume has been rapidly increasing such as in a case of mobile phones. Under such circumstances, various methods have been adopted for achieving the electrical insulation thereof. Particularly when electrical/electronic parts having complicated shapes such as circuit substrate are sealed by a resin which is to become an insulator, a sealing method is demanded which surely follows the shape of the electrical/electronic parts and does not generate any non-filling parts. A thermoplastic resin (hotmelt resin) is a resin which lowers its viscosity only by means of heating and melting whereby sealing is achieved. A sealed ...

MOISTURE-CURING COMPOSITION

In durability tests of a moisture-curing composition, it is difficult to both suppress foaming inside of the cured product and to stably maintain the physical properties of the cured products. [Solution] This moisture-curing composition contains components (A)-(D), and contains 0.5-5.0 parts by mass of component (C) per 100 parts by mass of component (A). Component (A): An oligomer which has a polymer of (meth)acrylic monomers as the primary chain and which has a hydrolyzable silyl group in the molecule Component (B): A specific polydialkylsiloxane Component (C): A silicate Component (D): A curing catalyst 3. The moisture-curing composition according to claim 1 , further comprising a silane-based coupling agent having an amino group as a component (E).4. The moisture-curing composition according to claim 1 , wherein the component (A) is an oligomer which has one hydrolyzable silyl group at each of the two ends of the main chain.5. The moisture-curing composition according to claim 1 , wherein the component (D) is an organo tin catalyst.6. The moisture-curing composition according to claim 1 , wherein the component (D) is an organo titanium catalyst.7. An adhesive comprising the moisture-curing composition set forth in .8. A sealing agent comprising the moisture-curing composition set forth in .9. A potting agent comprising the moisture-curing composition set forth in . The present invention relates to a moisture-curing composition with excellent heat resistance and oil resistance.A silicone composition polymerized by a chemical reaction which is caused by moisture in the air is well known, and it is used for a sealing agent, an adhesive agent, a coating agent, and a potting agent. By containing a silicon atom with a hydrolyzable functional group, the silicone composition forms a siloxane bond which is caused by moisture in the air. Accordingly, since the composition is cured upon exposure to the air after coating an adhesive agent, it does not require energy like ...

Tire sealant and tire repair kit

An object of the present invention is to provide a tire sealant that excels in injectability while maintaining sealing performance and storage performance at an excellent level, and to provide a tire repair kit. Provided are a tire sealant containing a rubber latex and an anti-freezing agent, wherein the anti-freezing agent contains glycerin and at least one type of glycol-based compound selected from the group consisting of glycols and glycol ethers; the content of the glycerin is from 2 to 50 mass % of the total amount of the anti-freezing agent; and a tire repair kit that includes the tire sealant.

DUAL-CURABLE SEALANT COMPOSITION

A dual-curable sealant composition includes a polysulfide having an —SH group, a metal oxide catalyst, and an alkyl-borane amine catalyst. A cured sealant is also formed from the dual-curable sealant composition. Moreover, a dual-cured sealant is formed that includes the polymerization product of the polysulfide reacted in the presence of the metal oxide catalyst and the alkylborane amine catalyst. Further, a dual-curable sealant system includes a first component including the polysulfide and the alkylborane amine catalyst and a second component including the metal oxide catalyst. An article is formed that includes a substrate and the cured sealant disposed on the substrate. Even further, a method of forming the dual-curable sealant composition includes the steps of providing the polysulfide, the alkylborane amine catalyst, and the metal oxide catalyst, and combining the polysulfide, the alkylborane amine catalyst, and the metal oxide catalyst to form the dual-curable composition. 1. A dual-curable sealant composition comprising:A. a polysulfide having an —SH group;B. a metal oxide catalyst; andC. an alkylborane amine catalyst.2. The dual-curable sealant composition of wherein said alkylborane amine catalyst has one or more alkyl groups bonded to a boron atom and each of said one of more alkyl groups is independently further defined as a C-Calkyl group.3. The dual-curable sealant composition of wherein said alkylborane amine catalyst has one more alkyl groups bonded to a nitrogen atom and each of said one of more alkyl groups is independently further defined as a C-Calkyl group.4. The dual-curable sealant composition of wherein said alkylborane amine catalyst is present in an amount of from 0.1 to 10 parts by weight per 100 parts by weight of said dual-curable sealant composition.5. The dual-curable sealant composition of wherein said polysulfide has an —SH functionality of greater than or equal to 2.6. The dual-curable sealant composition of wherein said ...

RUBBER COMPOSITION

A rubber composition, comprising i) an ethylene-α-olefin-non-conjugated-diene copolymer having—a Mooney viscosity ML (1+8) at 150 ° C. ≥85 MU and—an ethylene content≤63 wt. %—the diene content is 4 to 8% by weight of the ethylene-a-olefin-non-conjugated-diene copolymer i), —the non-conjugated diene is a combination of 5-ethylidene-2-norbornene (ENB) and 5-vinylnorbornene (VNB), —the ethylene-α-olefin-non-conjugated-diene copolymer i) has an amount of VNB between 0.05 and 1 wt. %, and has a Mw of at least 400,000 g/mol and, ii) an extender oil of 10 to 40 phr based on the copolymer i) with the sum of the EPDM copolymer i) and the oil ii) amounting to at least 95 wt. % of the composition. 1. A rubber composition comprising: a Mooney viscosity ML (1+8) at 150 °C.≥85 MU;', 'an ethylene content≤63 wt. %;', 'a diene content of 4 to 8 % by weight wherein the non-conjugated diene is a combination of 5-ethylidene-2-norbornene (ENB) and 5-vinylnorbornene (VNB);', 'an amount of VNB of 0.05 to 1 wt. %; and', 'a Mw of at least 400,000 g/mol; and, 'i) an ethylene-α-olefin-non-conjugated-diene copolymer havingii) 10 to 40 phr of an extender oil, based on the copolymer i); wherein a sum of the copolymer i) and the oil ii) is at least 95 wt. % of the composition.2. The rubber composition according to claim 1 , wherein the Mooney viscosity ML (1+8) at 150° C. is 85 to 150 MU.3. The rubber composition according to claim 1 , wherein the ethylene content is 55to 63 wt. %.4. The rubber composition according to claim 1 , wherein the ethylene content is ≤60 wt. %.5. The rubber composition according to claim 1 , wherein the ethylene content is 55to 60 wt. %.6. The rubber composition according to wherein the ethylene-α-olefin-non-conjugated-diene copolymer i) has a molecular weight distribution (MWD=Mw/Mn) of 3.5 to 6.0.7. The rubber composition according to wherein the ethylene-α-olefin-non-conjugated-diene copolymer i) has a Δδ of 0 to 30.8. The rubber composition according to wherein the ...

LOW NUCLEATION TEMPERATURE POLYTHIOETHER PREPOLYMERS AND USES THEREOF

Polythioether prepolymers that have a low nucleation temperature are disclosed. The polythioether prepolymers are stable at low temperature storage conditions for an extended period of time. Compositions prepared using the low nucleation temperature polythioether prepolymers are useful as sealants. 2. The polythioether prepolymer of claim 1 , wherein (i) at least one of Rand Ris selected from substituted Cheteroalkanediyl claim 1 , and —[(CR)—X—]—(CR) claim 1 , wherein claim 1 ,p is an integer from 1 to 6;q is an integer from 1 to 5;r is an integer from 2 to 10;each X is independently selected from O and S;{'sub': 1-16', '1-16', '1-16', '1-16, 'each R is independently selected from hydrogen, Calkyl, Cheteroalkyl, substituted Calkyl, and substituted Cheteroalkyl; wherein'}{'sub': 1-16', '1-16', '1-16', '1-16, 'at least one R is selected from Calkyl, Cheteroalkyl, substituted Calkyl, and substituted Cheteroalkyl.'}3. The polythioether prepolymer of claim 1 , wherein (ii) the polythioether prepolymer comprises two or more moieties having the structure of Formula (10):{'br': None, 'sub': 2', 'a, '—X—(CH)—X—\u2003\u2003(10)'} a is an integer from 1 to 6;', 'X is selected from O and S; and', 'at least one of the moieties of Formula (10) is different than at least one of the other moieties of Formula (10)., 'wherein,'}4. The polythioether prepolymer of claim 1 , wherein the thiol-reactive group Ris selected from an alkenyl group claim 1 , an alkynyl group claim 1 , an epoxy group claim 1 , an isocyanate group claim 1 , or a Michael acceptor group.5. The polythioether prepolymer of claim 1 , wherein Ris selected from —CH—CH— claim 1 , —CH═CH— claim 1 , —C(═O)—NH— claim 1 , —CH—CH(—OH)— claim 1 , and —(CH)-EW- claim 1 , where EW is an electron withdrawing group.6. The polythioether prepolymer of claim 1 , wherein the thiol-reactive group Ris an alkenyl group; and Ris —CH—CH—.7. The polythioether prepolymer of claim 1 , wherein the polythioether prepolymer comprises a thiol- ...

Polyolefin elastomer compositions and methods of making the same

An elastomeric article is provided that includes a composition having a silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm 3 . The elastomeric article can exhibit a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @70° C.). The silane-crosslinked polyolefin elastomer can include a first polyolefin having a density less than 0.86 g/cm 3 , a second polyolefin having a crystallinity less than 40%, a silane crosslinker, a grafting initiator, and a condensation catalyst.

Acrylic rubber and crosslinkable composition thereof

An acrylic rubber that is a copolymer in which 1 to 3 wt. % of a fumaric acid monoalkyl ester monomer containing an alkyl group having 1 to 8 carbon atoms is copolymerized as a crosslinkable comonomer, wherein 45 to 65 wt. % of n-butyl acrylate, 12 to 32 wt. % of 2-methoxyethyl acrylate, and 11 to 30 wt. % of ethoxyethoxyethyl acrylate are copolymerized in 100 wt. % of comonomers other than the crosslinkable comonomer. This acrylic rubber can suppress the reduction of oil resistance while improving cold resistance represented by a TR-10 value.

Nbr composition

An object is to provide an NBR composition excellent in cold resistance and heat resistance, which can be used with a wide range of temperatures, and an NBR composition excellent in oil resistance without substantially degrading compression set characteristics, and the object can be solved by an NBR composition comprising an NBR polymer, silica, an ether ester series plasticizer and a cross-linking agent, which comprises 100 parts by weight of the NBR polymer where an acrylonitrile content of the NBR polymer is within the range of 20 to 40%, 10 to 150 parts by weight of silica a primary particle size of which is within the range of 50 nm or bigger, and 3 to 20 parts by weight of an ether ester plasticizer a weight average molecular weight MW of which is 500 or more.

Puncture sealing agent

The present invention provides a tire puncture sealant which exhibits excellent storage stability while having reduced low-temperature viscosity and therefore improved low-temperature injection properties, and also exhibits excellent initial sealing properties and sealing force retention properties. The present invention relates to a tire puncture sealant containing rubber latex and 1,3-propanediol, the 1,3-propanediol being present in a proportion of 55 to 61% by mass of the liquid component.

SEALING SHEET, AND SEALING STRUCTURE AND DEVICE

A sealing sheet having a resin layer comprising a resin part (A) formed by a resin composition containing one or more resins selected from the group consisting of an acrylic-based resin and a urethane-based resin, and a resin part (B) having a water vapor transmission rate measured in conformity with JIS K 7129 of 15 g/m/day or less, in which the resin part (A) and the resin part (B) are present on at least one surface of the resin layer. The sealing sheet excels in a suppressing effect on moisture intrusion of the sealing sheet itself, and, when manufacturing a sealing structure, excels in an effect to prevent moisture intrusion into the sealing structure from between a substrate (adherend) and the sealing sheet. 1. A sealing sheet having a resin layer comprising a resin part (A) formed by a resin composition comprising one or more resins selected from the group consisting of an acrylic-based resin and a urethane-based resin , and a resin part (B) having a water vapor transmission rate measured in conformity with JIS K 7129 of 15 g/m/day or less ,wherein the resin part (A) and the resin part (B) are present on at least one surface of the resin layer.2. The sealing sheet according to claim 1 , wherein claim 1 , on the at least one surface of the resin layer claim 1 , the resin part (A) or the resin part (B) forms a closed region claim 1 , and the other resin part is present in the closed region.3. The sealing sheet according to claim 1 , wherein claim 1 , on the at least one surface of the resin layer claim 1 , a ratio of a total surface area of the resin part (A) to a total surface area of the resin part (B) [(A) area/(B) area] is 10/90 to 90/10.4. The sealing sheet according to claim 1 , wherein the resin layer is provided on a support.5. The sealing sheet according to claim 4 , wherein only the resin part (B) is present on a surface of the resin layer on the side of the support and the resin part (A) and the resin part (B) are present on the other surface of the ...

Sealing Compound Housing and Electronic Control Device

The disclosure relates to a sealing compound that can be applied wet and is curable to form an elastic seal. The sealing compound contains a matrix material and a corrosion-inhibiting additive. In addition, a housing having the elastic seal as well as an electronic control device with the housing are disclosed.

COMPOSITION AND MOLDED ARTICLE

The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against oxygen plasma exposure and fluorine plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a hyperbranched polymer of a cage silsesquioxane with a specific structure. 2. The composition according to claim 1 ,wherein the hyperbranched polymer of a cage silsesquioxane has a molecular weight distribution.5. The composition according to claim 1 ,wherein the fluorine-containing polymer is a fluorine-containing elastomer.6. The composition according to claim 1 ,wherein the composition contains 0.5 to 100 parts by mass of the hyperbranched polymer of a cage silsesquioxane relative to 100 parts by mass of the fluorine-containing polymer.7. The composition according to claim 1 , further comprising a cross-linking agent.8. The composition according to claim 1 ,wherein the composition is a molding material.9. A molded article obtainable from the composition according to . The invention relates to compositions containing a fluorine-containing polymer, and molded articles obtainable therefrom.Fluoroelastomers, especially perfluoroelastomers containing a tetrafluoroethylene (TFE) unit, have excellent chemical resistance, solvent resistance, and heat resistance. They are therefore widely used as components such as sealants in severe environments in the aerospace field, the semiconductor equipment field, the chemical plant field, and the like.Addition of filler to fluorine-containing elastomers is a known technique to improve characteristics that sealants need to have.In order to provide a semiconductor equipment sealant having heat resistance, low gas permeability, and stability even against plasma irradiation in an oxygen or CFatmosphere, and generating no dust, Patent Literature 1 proposes adding 1 to 50 parts by weight of silica and 1 to 10 parts by weight of an organic ...

PEROXIDE CROSSLINKABLE FLUORORUBBER COMPOSITION

A peroxide crosslinkable fluororubber composition comprising: 2. The peroxide crosslinkable fluororubber composition according to claim 1 , wherein the peroxide crosslinkable fluororubber is a copolymer elastomer in which an iodine group and/or a bromine group is introduced into a copolymer elastomer having a ternary or binary copolymer composition of 50 to 80 mol % of vinylidene fluoride claim 1 , 15 to 50 mol % of hexafluoropropylene claim 1 , and 30 to 0 mol % of tetrafluoroethylene.3. The peroxide crosslinkable fluororubber composition according to claim 1 , wherein the processing aids (A) and (B) are used with their total amount being at a ratio of 0.5 to 3.0 parts by weight claim 1 , based on 100 parts by weight of the peroxide crosslinkable fluororubber.4. The peroxide crosslinkable fluororubber composition according to claim 1 , wherein the sodium salt or potassium salt of a saturated or unsaturated higher fatty acid is a sodium salt or potassium salt of a saturated or unsaturated higher fatty acid claim 1 , having 8 to 18 carbon atoms.5. The peroxide crosslinkable fluororubber composition according to claim 4 , wherein the higher fatty acid is a higher fatty acid derived from oils and fats.6. The peroxide crosslinkable fluororubber composition according to claim 1 , wherein the poly-α-olefin oligomer is an oligomer of α-olefin having 3 or more carbon atoms.7. The peroxide crosslinkable fluororubber composition according to claim 1 , which is used as a molding material for sealing material.8. A sealing material obtained by crosslinking and molding the peroxide crosslinkable fluororubber composition according to . The present disclosure relates to a peroxide crosslinkable fluororubber composition. More particularly, the present disclosure relates to a peroxide crosslinkable fluororubber composition having excellent crosslinking rate, mold release properties, hardness, compression set characteristics, and the like that are required for molding processability. ...

PID-FREE ENCAPSULANT FOR PHOTOVOLTAIC MODULE, PHOTOVOLTAIC MODULE INCLUDING SAME, AND METHOD OF MANUFACTURING SAME

The present invention relates to an encapsulant capable of reducing potential-induced degradation (PID). The encapsulant is used to seal a solar cell to form a photovoltaic module, in which silica gel is dispersed in the encapsulant as a sodium ion adsorbent. Since the silica gel that is highly transparent is used as the sodium ion adsorbent, it is possible to prevent PID attributable to sodium ions and to prevent deterioration in photovoltaic efficiency of the photovoltaic module. Since the silica gel has a high specific surface area, it is possible to adsorb sodium ions with a small amount of the silica gel. 1. An encapsulant for a photovoltaic module for preventing potential-induced degradation (PID) , the encapsulant being used to seal a solar cell in the photovoltaic module , wherein silica gel is dispersed in the encapsulant as a sodium ion adsorbent.2. The encapsulant according to claim 1 , wherein the surface area of the silica gel dispersed in the encapsulant is in a range of 500 m/g to 800 m/g claim 1 , and the amount of the silica gel dispersed in the encapsulant is 0.01 to 1 part by weight based on 100 parts by weight of the encapsulant.3. The encapsulant according to claim 1 , wherein the encapsulant is made of EVA.4. A photovoltaic module for preventing potential-induced degradation (PID) comprising:one or more solar cells;an encapsulant surrounding the one or more solar cells;a protective glass plate positioned on an upper surface of the encapsulant;a back sheet positioned on a lower surface of the encapsulant; anda frame,wherein silica gel as a sodium ion adsorbent is dispersed in the encapsulant.5. The photovoltaic module according to claim 4 , wherein the surface area of the silica gel dispersed in the encapsulant is in a range of 500 m/g to 800 m/g claim 4 , and the amount of the silica gel dispersed in the encapsulant is 0.01 to 1 part by weight based on 100 parts by weight of the encapsulant.6. The photovoltaic module according to claim 4 , ...

MAGNETIC NANOCAPSULES AS THERMOLATENT POLYMERIZATION CATALYSTS OR INITIATORS

The present invention relates to a process for producing nanocapsules employable as thermo latent polymerization catalysts, in particular for the polymerization of polyurethanes, by means of a high shear process, wherein the process comprises: (i) emulsifying a first reaction mixture (a) in a continuous aqueous phase comprising at least one stabilizer; (ii) emulsifying a second reaction mixture (b) in a continuous aqueous phase comprising at least one stabilizer; (iii) combining the first reaction to the nanocapsules produced by means of the described processes, to the use thereof, and to agents which contain these nanocapsules. 1. A process for the preparation of nanocapsules containing magnetic nanoparticles , comprising:(A) (i) emulsifying a first reaction mixture (a) into a continuous aqueous phase, which comprises at least one stabilizer, about 10.0 to 99.0 wt.-% of a monomer mixture, the monomer mixture comprising, based on the total weight of the monomer mixture:{'sub': '3-5', '(a1) 2.5 to 19.0 wt.-%, of at least one monoethylenically unsaturated C-carboxylic acid monomer;'}{'sub': 3-5', '1-10, '(a2) 76.0 to 97.5 wt.-%, of at least one monoethylenically unsaturated C-carboxylic acid C-alkyl ester monomer; and'}(a3) 0.0 to 5.0 wt.-%, of at least one monomer which carries at least two ethylenically unsaturated groups;(ii) emulsifying a second reaction mixture (b) into a continuous aqueous phase, which comprises at least one stabilizer, wherein the second reaction mixture, based on the total weight of the second reaction mixture, comprises:(b1) 1.0 to 80.0 wt.-%, magnetic nanoparticles whose surface is hydrophobized; and(b2) optionally 0.0 to 70.0 wt.-% of at least one polymerization catalyst or initiator; and(b3) optionally 0.0 to 89.0 wt.-% of at least one hydrophobic releasing agent; and(b4) optionally 0.0 to 10.0 wt.-% of at least one ultrahydrophobic compound other than the release agent;(iii) combining the first reaction mixture of step (i) and the second ...

POLYMER MATERIAL

An object of the present invention is to provide a macromolecular material that exhibits excellent elongation. The first macromolecular material of the present invention contains the first polymer containing the first structural unit and the second polymer containing the second structural unit. The first structural unit has a guest group in its side chain, and the second structural unit has a host group in its side chain. At least one of the first and the second polymers contains at least one fluorine group. The second macromolecular material of the present invention contains the first structural unit having a guest group in its side chain, the second structural unit having a host group in its side chain, and the third structural unit other than the first and second structural units. At least one of the first, the second, and the third structural units contains at least one fluorine group. 1. A macromolecular material comprisinga first polymer containing a first structural unit, and the first structural unit having a guest group in the side chain thereof, and', 'the second structural unit having a host group in the side chain thereof,, 'a second polymer containing a second structural unit,'}wherein at least one of the first polymer and the second polymer has at least one fluorine group.2. A macromolecular material comprisinga first structural unit having a guest group in the side chain thereof,a second structural unit having a host group in the side chain thereof, anda third structural unit that is other than the first structural unit and the second structural unit,wherein at least one structural unit of the first structural unit, the second structural unit, and the third structural unit has at least one fluorine group.3. The macromolecular material according to claim 1 , wherein the guest group has at least one fluorine group.4. The macromolecular material according to claim 1 , wherein the total number of fluorine groups present in the first structural unit and ...

ELASTOMERIC COMPOSITIONS AND THEIR APPLICATIONS

The present disclosure relates to self-sealing silicone sealant and/or gel compositions cured via a condensation cure chemistry and to their use subsequent to cure as puncture-resistant layers in any type of “inflatable” article, i.e. articles which take their functional shape after inflation with a suitable gas such as air. The present disclosure also relates to silicone materials, e.g. elastomers and/or gels obtained subsequent to curing said compositions designed to function as self-sealing tire puncture material, i.e. to seal puncture holes in the tread region of tires if/when punctured by a foreign body. 1. A multi-part self-sealing moisture curing silicone sealant composition comprising:(i) at least one condensation curable silyl terminated polymer having at least one, optionally at least 2 hydroxyl functional groups per molecule; silanes having at least 2 hydrolysable groups, optionally at least 3 hydrolysable groups per molecule, and/or', 'silyl functional molecules having at least 2 silyl groups, each silyl group containing at least one hydrolysable group;, '(ii) a cross-linker selected from the group consisting of;'}(iii) a condensation catalyst selected from the group consisting of titanates and/or zirconates; and wherein polymer (i), cross-linker (ii) and condensation catalyst (iii) are not stored together in a single part; and', 'wherein the molar ratio of total silicon-bonded hydroxyl groups to total hydrolysable groups is between 0.5:1 and 2:1 using a silane containing cross-linker (ii) or 0.5:1 to 10:1 using a silyl functional molecule containing cross-linker (ii) and the molar ratio of condensation catalyst (iii) M-OR functions to the sum of moisture present in the composition, as determined in accordance with ISO 787-2:1981, and total silicon-bonded hydroxyl groups is between 0.01:1 and 0.6:1, where M is titanium or zirconium., '(iv) a filler;'}2. The multi-part self-sealing moisture curing silicone sealant composition in accordance with claim 1 , ...

METHOD FOR PREPARING A HYDROPHOBICALLY MODIFIED CLAY

The invention relates to a method for preparing a hydrophobically modified clay, wherein the clay modifying agent corresponds to a quaternary ammonium based compound. The present invention further relates to a hydrophobically modified clay obtainable by such a method and to a suspension comprising such a clay, as well to the use of such a hydrophobically modified clay and of a suspension comprising such a hydrophobically modified clay. Furthermore, the present invention is also directed to a polymeric composition comprising a hydrophobically modified clay and/or a suspension comprising a hydrophobically modified clay. 2: The method according to claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , and Rmay independently be substituted with one or more hydroxyl groups.3: The method according to claim 1 , wherein claim 1 , in formula (I) claim 1 , one claim 1 , two or three of R claim 1 , R claim 1 , R claim 1 , and Rrepresent(s) methyl.4: The method according to claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , and Reach have a chain length of 5 to 50 non-hydrogen atoms.5: The method according to claim 1 , wherein X is selected from the group consisting of Br claim 1 , Cl claim 1 , F claim 1 , I claim 1 , CHSO claim 1 , ClO claim 1 , BF claim 1 , PF claim 1 , SbF claim 1 , triflate anion claim 1 , and tosylate anion.6: The method according to claim 1 , wherein the ratio of the number of atoms of the groups of formula (II) to the number of atoms of the linear or branched claim 1 , substituted or unsubstituted alkyl or alkenyl moieties is 2 or more.8: The method according to claim 1 , wherein the clay of step a) is selected from the group consisting of smectite claim 1 , montmorillonite claim 1 , saponite claim 1 , beidellite claim 1 , montronite claim 1 , hectorite claim 1 , stevensite claim 1 , vermiculite claim 1 , kaolinite claim 1 , hallosite claim 1 , magadiite claim 1 , and fluorohectorite.9: The method according to claim 8 , wherein the clay of step a) is ...

DEALCOHOLIZATION ROOM-TEMPERATURE CURABLE ORGANOPOLYSILOXANE COMPOSITION, AND ARTICLE SEALED BY CURED PRODUCT OF SAME

This dealcoholization room-temperature curable organopolysiloxane composition contains (A) a diorganopolysiloxane having a silicon atom-bonded hydroxy group and/or a hydrolyzable silyl group at both ends of the molecular chain, and has a coefficient of viscosity of 20-1,000,000 mPa·s, (B) an organopolysiloxane which is a partial (co-)hydrolysis-condensation product of a hydrolyzable organosilane compound having one or more silicon atom-bonded alkenyl groups and 1-3 silicon atom-bonded alkoxy groups, per molecule, (C) a hydrolyzable organosilane compound having one or more phenylene backbones and two or more amino groups, per molecule, and/or a partial hydrolysis-condensation product thereof. The dealcoholization room-temperature curable organopolysiloxane composition has good curability and storage stability even when the composition does not contain a metal catalyst, is less toxic to the human body and is environmentally friendly, is cost-competitive, and has good rubber physical properties and adhesiveness after being cured. 1. A dealcoholization type room-temperature curable organopolysiloxane composition comprising(A) 100 parts by weight of a diorganopolysiloxane having one silicon atom-bonded hydroxy group and/or one hydrolyzable silyl group at each of both molecular chain terminals and having a viscosity of 20 to 1,000,000 mPa·s at 23° C.,(B) 0.1 to 40 parts by weight of an organopolysiloxane which is a partial (co-)hydrolytic condensate of a hydrolyzable organosilane compound having one or more silicon atom-bonded alkenyl groups and 1 to 3 silicon atom-bonded unsubstituted or substituted alkoxy groups in one molecule, other than the component (A), and(C) 0.001 to 10 parts by weight of a hydrolyzable organosilane compound having at least one phenylene backbone and two or more amino groups in one molecule and/or a partial hydrolytic condensate thereof, other than the components (A) and (B).4. The dealcoholization type room-temperature curable organopolysiloxane ...

Sealing Adhesive, its Preparation Method, and Liquid Crystal Display Device

Disclosed are a sealing adhesive and a method of making the same, and a liquid crystal display device. The sealing adhesive includes a modified epoxy compound obtained by chemical bonding of a piperidine compound with an epoxy compound, wherein the modified epoxy compound contains a nitrogen-hydrogen bond. The method of preparing the above sealing adhesive includes: subjecting a piperidine compound and an epoxy compound to a chemical reaction to obtain a modified epoxy compound; and mixing about 10 to 90 parts by eight of the modified epoxy compound, about 10 to 90 parts by weight of an acrylic resin, about 2 to 5 parts by weight of a filler, about 5 to 10 parts by weight of a heat curing agent and about 3 to 10 parts by weight of a photoinitiator to obtain a sealing adhesive. The liquid crystal display device includes the sealing adhesive described above. 1. A sealing adhesive , comprising a modified epoxy compound obtained by chemical bonding of a piperidine compound with an epoxy compound , wherein the modified epoxy compound contains a nitrogen-hydrogen bond , and the piperidine compound contains a carboxyl group.2. (canceled)5. The sealing adhesive according to claim 1 , wherein the sealing adhesive comprises about 10 to 90 parts by weight of an acrylic resin and about 10 to 90 parts by weight of the modified epoxy compound.6. The sealing adhesive according to claim 5 , wherein the sealing adhesive further comprises about 2 to 5 parts by weight of a filler claim 5 , about 5 to 10 parts by weight of a heat curing agent and about 3 to 10 parts by weight of a photoinitiator.7. A method of preparing a sealing adhesive claim 5 , comprising:a step of preparing a modified epoxy compound: subjecting a piperidine compound and an epoxy compound to a chemical reaction to obtain a modified epoxy compound, wherein the piperidine compound contains a carboxyl group; anda mixing step: mixing about 10 to 90 parts by weight of the modified epoxy compound, about 10 to 90 parts by ...

ALKYD POLYMER COMPOSITIONS AND PRODUCT FORMULATIONS FORMED THEREFROM

An alkyd polymer composition for use in low volatile organic compound (VOC) containing products that exhibits a Gardner-Holt viscosity with 30 weight % mineral spirits at 25° C. that is less than or equal to Z4, a thy-hard time of less than 10 hours when tested with metal driers according to ASTM D 1640-03, and a clear appearance. The alkyd polymer composition includes, as polymerized units an alkyd polymer of one or more fatty acids; a sugar alcohol having at least 6 carbon atoms; a polyol with four or more hydroxyl functional groups; and an aromatic polyacid with two carboxylic acid groups located in a meta-position relative to one another. The alkyd polymer composition includes at least one aliphatic oxide ring having one or more peaks located between 75 to 90 ppm as measured using CNuclear Magnetic Resonance (NMR) spectroscopy. 1. An alkyd polymer composition for use in low volatile organic compound (VOC) containing products , the alkyd polymer composition comprising , as polymerized units an alkyd polymer of:15 to 75 wt. % of one or more fatty acids;5 to 35 wt. % of a sugar alcohol having at least 6 carbon atoms;2 to 10 wt. % of a polyol with four or more hydroxyl functional groups; and5 to 25 wt. % of an aromatic polyacid with at least two carboxylic acid groups located in. a meta-position relative to one another;wherein the alkyd polymer composition has a Gardner-Holt viscosity with 30 weight % mineral spirits at 25° C. that is less than or equal to Z4, a dry-hard time of less than 10 hours when tested with metal driers according to ASTM D1640-03, and a clear appearance.2. The alkyd polymer composition according to claim 1 , wherein the alkyd polymer composition comprises at least one aliphatic oxide ring having one or more peaks located between 75 to 90 ppm measured using C′Nuclear Magnetic Resonance (NMR) spectroscopy.3. The alkyd polymer composition according to claim 1 , wherein the sugar alcohol is fucitol claim 1 , galactitol claim 1 , iditol claim 1 , ...

LOW-WATER-CONTENT HYDROPHILIZATION AGENTS AND USE THEREOF IN AQUEOUS DISPERSIONS

The present invention relates to compositions comprising a) 20-80% by weight, based on the total mass of constituents of the composition, of at least one sulfonic acid functionalized with at least one hydroxy and/or amino group and/or at least one sulfonic acid derivative functionalized with at least one hydroxy and/or amino group and b) 80-20% by weight, based on the total mass of constituents of the composition, of at least one compound having at least two OH groups, a method for the preparation thereof and use thereof. 1. A composition comprisinga) from 20 to 80% by weight, based on the total mass of constituents of the composition, of at least one sulfonic acid functionalized with at least one hydroxy and/or amino group and/or at least one sulfonic acid derivative functionalized with at least one hydroxy and/or amino group andb) from 80 to 20% by weight, based on the total mass of constituents of the composition, of at least one compound having at least two OH groups.2. The composition according to claim 1 , wherein components a) and b) are the sole reactive constituents present in the composition.3. The composition according to claim 1 , wherein the composition contains not more than 5% by weight claim 1 , based on the total mass of constituents of the composition claim 1 , of solvents.4. The composition according to claim 1 , wherein the composition comprisesa) from 35 to 65% by weight of at least one sulfonic acid and/or one sulfonic acid derivative andb) from 65 to 35% by weight of at least one compound having at least two OH groups.5. The composition according to claim 1 , wherein component a) is exclusively a sulfonic acid derivative.6. The composition according to claim 1 , wherein the sulfonic acid derivative is a lithium claim 1 , sodium claim 1 , potassium or caesium salt of a sulfonic acid selected from the group consisting of hydroxyethylsulfonic acid claim 1 , hydroxypropylsulfonic acid claim 1 , hydroxybutylsulfonic acid claim 1 , ...

LIQUID RESIN COMPOSITION FOR SEALING AND ELECTRONIC COMPONENT APPARATUS

A liquid resin composition for sealing contains an aliphatic epoxy compound (A), an epoxy compound (B) having an aromatic ring in a molecule, a nitrogen-containing heterocyclic compound (C), and an inorganic filler (D), wherein a percentage content of the inorganic filler (D) is 77% by mass or more with respect to a total mass of the composition. 1. A liquid resin composition for sealing , comprising an aliphatic epoxy compound (A) , an epoxy compound (B) having an aromatic ring in a molecule , a nitrogen-containing heterocyclic compound (C) , and an inorganic filler (D) , wherein a percentage content of the inorganic filler (D) is 77% by mass or more with respect to a total mass of the composition.3. The liquid resin composition for sealing according to claim 1 , wherein a number-average molecular weight of the aliphatic epoxy compound (A) is from 200 to 10000.4. The liquid resin composition for sealing according to claim 1 , wherein the epoxy compound (B) having an aromatic ring in a molecule comprises at least one of N claim 1 ,N-diglycidylorthotoluidine or N claim 1 ,N-bis(2 claim 1 ,3-epoxypropyl)-4-(2 claim 1 ,3-epoxypropoxy)aniline.5. The liquid resin composition for sealing according to claim 1 , further comprising a coupling agent (E).6. An electronic component apparatus claim 1 , comprising an element sealed with the liquid resin composition for sealing according to .7. The liquid resin composition for sealing according to claim 2 , wherein a number-average molecular weight of the compound represented by Formula (I) is from 200 to 10000.8. The liquid resin composition for sealing according to claim 2 , wherein the epoxy compound (B) having an aromatic ring in a molecule comprises at least one of N claim 2 ,N-diglycidylorthotoluidine or N claim 2 ,N-bis(2 claim 2 ,3-epoxypropyl)-4-(2 claim 2 ,3-epoxypropoxy)aniline.9. The liquid resin composition for sealing according to claim 3 , wherein the epoxy compound (B) having an aromatic ring in a molecule ...

ULTRA PURE RUBBER AND METHOD THEREOF

The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom. 1. A process for the preparation of an aqueous slurry comprising a plurality of copolymer particles suspended therein , the process comprising:a) providing a reaction medium comprising an organic diluent, and at least two monomers whereby at least one monomer is an isoolefin and at least one monomer is a multiolefin;b) polymerizing the monomers within the reaction medium in the presence of an initiator system to form a medium comprising the copolymer, the organic diluent and optionally residual monomers; andc) contacting the medium obtained in step b) with an aqueous medium comprising at least one lower critical solution temperature (LCST) compound having a cloud point of 0 to 100° C., and removing at least partially the organic diluent and to the extent present in the medium removing at least partially the residual monomers to obtain the aqueous slurry comprising the copolymer particles;wherein the amount of the LCST compounds in the aqueous medium employed in step c) is from 1 to 20,000 ppm with respect to the amount of copolymer present in the medium obtained in to step b).2. The process according to claim 1 , whereby the aqueous medium contains 0 to 20 claim 1 ,000 of non-LCST compounds claim 1 , with respect to the amount of copolymer present in the medium obtained according to step b) claim 1 , wherein the non-LCST compounds are:selected from the group consisting of ionic or non-ionic surfactants, emulsifiers, and antiagglomerants; orsalts of (mono- or multivalent) metal ions; orcarboxylic acid salts of multivalent metal ions; orstearates or palmitates of mono- or multivalent metal ions.3. The process according to claim 2 , wherein the aqueous medium includes 1 to 5 claim 2 ,000 ppm of the non-LCST ...

COMBINED SEALS, COMPOSITIONS, AND METHODS OF MAKING THE SAME

A combined sealing member is provided that includes a composition comprising two or more polyolefin elastomers selected from the group consisting of a dense, a micro-dense and a dynamic silane-crosslinked polyolefin elastomer having a respective density of less than 0.90 g/cm, less than 0.70 g/cm, and less than 0.60 g/cm. The combined sealing member exhibits a compression set of from about 5.0% to about 35.0%, as measured according to ASTM D 395 (22 hrs @ 70° C.). 1. A combined sealing member comprising: a composition comprising two or more polyolefin elastomers selected from the group consisting of{'sup': '3', 'a dense silane-crosslinked polyolefin elastomer having a density of less than 0.90 g/cm, a tensile strength ranging from 10.4 to about 14.5 MPa as measured according to ASTM D412, a Shore A hardness ranging from about 76 to about 88 as measured according to ASTM D412, and a crystallinity of from about 5% to about 15%, wherein from about 1 wt % to about 20 wt % of the dense silane-crosslinked polyolefin elastomer is a polypropylene filler having a crystallinity greater than 40%,'}{'sup': '3', 'a microdense silane-crosslinked polyolefin elastomer having a density of less than 0.70 g/cm, a tensile strength ranging from about 5.0 to about 8.7 MPa as measured according to ASTM D412, a Shore A hardness ranging from 60 to 87 as measured according to ASTM D412, and a crystallinity of from about 5% to about 15%, wherein from about 1 wt % to about 20 wt % of the microdense silane-crosslinked polyolefin elastomer is a polypropylene filler having a crystallinity greater than 40%, and'}{'sup': '3', 'a dynamic silane-crosslinked polyolefin elastomer having a density of less than 0.60 g/cm, a tensile strength ranging from about 2.0 to about 2.9 MPa as measured according to ASTM D412 and a crystallinity of from about 5% to about 15%,'}wherein the polyolefin elastomers do not display a Mullins effect or a Payne effect,wherein the combined sealing member and the foamed silane ...

POLYURETHANE RESIN-FORMABLE COMPOSITION FOR MEMBRANE SEAL MATERIAL, AND MEMBRANE SEAL MATERIAL AND MEMBRANE MODULE USING SAID COMPOSITION

Provided are a composition for forming a polyurethane resin used for a membrane sealing material, the composition having low viscosity and contributing to the formation of a membrane sealing material having reduced elution of low-molecular weight reaction products; and a membrane sealing material and a membrane module using this composition. Disclosed is a composition for forming a polyurethane resin used for a membrane sealing material, the composition including a base agent (A) and a curing agent (B), wherein the base agent (A) comprises an isocyanate group-terminated prepolymer (A1), the isocyanate group-terminated prepolymer (A1) is a reaction product between an isocyanate group-containing compound (a1) and an active hydrogen-containing compound (a2), the base agent (A) comprises diphenylmethane diisocyanate, the monomer content of the diphenylmethane diisocyanate is 35% by mass or less, and the curing agent (B) comprises a compound (b1) represented by Formula (1). In Formula (1), R represents an alkyl group having 2 or more carbon atoms. 110.-. (canceled)12. The composition for forming a polyurethane resin used for a membrane sealing material according to claim 11 , wherein the isocyanate group-terminated prepolymer (A1) is an allophanate group-containing polyisocyanate.14. The composition for forming a polyurethane resin used for a membrane sealing material according to claim 11 , wherein R in Formula (1) is an alkyl group having 6 to 24 carbon atoms.15. The composition for forming a polyurethane resin used for a membrane sealing material according to claim 13 , wherein R in Formula (1) is an alkyl group having 6 to 24 carbon atoms.16. The composition for forming a polyurethane resin used for a membrane sealing material according to claim 11 , wherein a hydrophilic-lipophilic balance (HLB) of the curing agent (B) is 9.0 or less.17. The composition for forming a polyurethane resin used for a membrane sealing material according to claim 13 , wherein a ...

Resin Composition, Application Method Thereof and Liquid Crystal Display Panel Using Same

The invention discloses a resin composition, use method thereof, and a LCD panel using the same, which can solve the problem of poor display in a peripheral display area caused by denaturization of liquid crystal in that area upon exposure to UV light of 320-380 nm adopted for UV radiation of resin compositions in the prior art. The resin composition of the invention is photocurable under an irradiation of visible light having a wavelength in the range of 400-450 nm, which will not cause the denaturization of liquid crystal. Thus, the distance from the edge of the mask to the display area can be decreased, which is advantageous for the reduction of the width of the frame of a LCD panel. 2. The resin composition according to claim 1 , characterized in that the alkyl substituent having a carbon atom number of less than 6 is any one selected from methyl claim 1 , ethyl claim 1 , n-propyl claim 1 , isopropyl claim 1 , n-butyl claim 1 , isobutyl claim 1 , tert-butyl claim 1 , n-pentyl claim 1 , isopentyl and neopentyl.3. The resin composition according to claim 1 , characterized in that the resin composition further comprises a photoinitiator capable of inducing a photocuring reaction of the epoxy acrylic resin under the irradiation of visible light.4. The resin composition according to claim 3 , characterized in that the photoinitiator is camphorquinone or N claim 3 ,N-dimethylaminoethyl methacrylate-diaryliodonium salt.5. The resin composition according to claim 1 , characterized in that the resin composition further comprises:an epoxy resin;a photoinitiator;a coupling agent;a heat curing agent;an organic filler;an inorganic filler; andoptionally, a heat-resistant anion exchange resin.6. The resin composition according to claim 5 , characterized in that the epoxy resin has a number-average molecular weight in the range of 380-1000.7. The resin composition according to claim 5 , characterized in that the photoinitiator is camphorquinone or N claim 5 ,N- ...

THERMALLY EXPANDABLE COMPOSITIONS COMPRISING POLYSACCHARIDE

The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide, at least one polysaccharide and at least one endothermic, chemical blowing agent; as well as to shaped bodies containing said composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type. 1. A thermally expandable composition comprising:a. at least one peroxidically crosslinked polymer;b. at least one peroxide;c. at least one polysaccharide; andd. at least one endothermic chemical blowing agent.2. The thermally expandable composition according to claim 1 , wherein the at least one peroxidically crosslinkable polymer a) is selected from styrene-butadiene block copolymers claim 1 , styrene-isoprene block copolymers claim 1 , ethylene-vinyl acetate copolymers claim 1 , functionalized ethylene-vinyl acetate copolymers claim 1 , functionalized ethylene-butyl acrylate copolymers claim 1 , ethylene-propylene-diene copolymers claim 1 , ethylene-methyl acrylate copolymers claim 1 , ethylene-ethyl acrylate copolymers claim 1 , ethylene-butyl acrylate copolymers claim 1 , ethylene-(meth)acrylic acid copolymers claim 1 , ethylene-2-ethylhexyl acrylate copolymers claim 1 , ethylene-acryl ester copolymers and polyolefins.3. The thermally expandable composition according to claim 2 , wherein the at least one peroxidically crosslinked polymer a) is a copolymer selected from ethylene-vinyl acetate copolymers and functionalized ethylene-vinyl acetate copolymers.4. The thermally expandable composition according to claim 1 , wherein the at least one polysaccharide is a starch and/or a cellulose.5. The thermally expandable composition according to claim 4 , wherein the at least one polysaccharide is a starch.6. The thermally expandable composition according to claim 5 , wherein the ...

THERMALLY EXPANDABLE COMPOSITIONS COMPRISING UREA DERIVATIVES

The present application relates to a thermally expandable composition containing at least one peroxide cross-linking polymer, at least one peroxide and at least one endothermic, chemical blowing agent, the blowing agent comprising at least one solid, optionally functionalized, polycarboxylic acid or the salt thereof and at least one urea derivative according to the formula (I) as defined herein; as well as shaped bodies containing the composition and to a method for sealing and filling voids in components, for strengthening or reinforcing components, in particular hollow components, and for bonding mobile components using shaped bodies of this type. 1. A thermally expandable composition , comprising:a) at least one peroxidically cross-linking polymer;b) at least one peroxide; and {'br': None, 'sub': 1', '2', '3, 'R—NH—C(═X)—NRR\u2003\u2003(I)'}, 'c) at least one endothermic chemical blowing agent comprising at least one carboxylic acid or salt thereof, and at least one urea derivative of formula (I)'}wherein X denotes O or S; and{'sub': 1', '2', '3', '4', '4, 'R, Rand Rindependently denote H, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl or —C(O)—R, where Rdenotes H or substituted or unsubstituted alkyl.'}2. The thermally expandable composition according to claim 1 , wherein the at least one peroxidically cross-linking polymer a) is selected from styrene-butadiene block copolymers claim 1 , styrene-isoprene block copolymers claim 1 , ethylene-vinyl acetate copolymers claim 1 , functionalized ethylene-vinyl acetate copolymers claim 1 , functionalized ethylene-butyl acrylate copolymers claim 1 , ethylene-propylene-diene copolymers claim 1 , ethylene-methyl acrylate copolymers claim 1 , ethylene-ethyl acrylate copolymers claim 1 , ethylene-butyl acrylate copolymers claim 1 , ethylene-(meth)acrylic acid copolymers claim 1 , ethylene-2-ethylhexyl acrylate copolymers ...

Solar cell sealing film and solar cell using the same

To provide a solar cell sealing film which is suppressed in acid generation, and which has high transparency and improved insulation properties. A solar cell sealing film containing ethylene-vinyl acetate copolymer (EVA), ethylene-methyl methacrylate copolymer (EMMA), and a crosslinker, wherein a mass ratio of the ethylene-vinyl acetate copolymer to the ethylene-methyl methacrylate copolymer (EVA:EMMA) is in the range of from 10:90 to 90:10.

Closure plug of a battery

A closure plug of a battery includes an external thread for installing into an opening of a battery cover, and at least one gas-tight seal arranged on an outer side of the closure plug. The at least one gas-tight seal includes a mixture of polypropylene or polyethylene and polyisobutylene.

IMPROVED METHOD FOR PRODUCING MOISTURE-SENSITIVE PRODUCTS

Described is a method for the production of a moisture curable composition whereby the reactive end groups of a reactive polymer are reacted with a cross-linking agent for forming a prepolymer, whereby the method is operated in batch mode and the production of the prepolymer occurs in a mixing vessel, characterized in that the reactive polymer and the cross-linking agent, as well as the additional ingredients necessary for the production step in the mixing vessel, are introduced into the closed mixing vessel and react without opening the mixing vessel, and the mixing takes place without opening the mixing vessel, and the product is removed from the mixing vessel without opening the mixing vessel. 1. A method for the production of a moisture curable composition whereby comprising the reactive end groups of a reactive polymer are reacted with a cross-linking agent for forming a prepolymer , whereby the method is operated in batch mode and the production of the prepolymer occurs in a mixing vessel , characterized in that the reactive polymer and the cross-linking agent , as well as the additional ingredients necessary for the production step in the mixing vessel , are introduced into the closed mixing vessel and react without opening the mixing vessel , and the mixing takes place without opening the mixing vessel , and the product is removed from the mixing vessel without opening the mixing vessel.2. The method according to claim 1 , whereby the mixing vessel is closed with a lid and the lid of the mixing vessel is provided with an in height adjustable stirring system such that claim 1 , without having to open the mixing vessel by lifting the lid claim 1 , the height of the stirrer may be adjusted relative to the liquid level in the mixing vessel.3. The method according to claim 1 , whereby the content of the mixing vessel is kept under a vacuum pressure during the addition of the reactive polymer and of the cross-linking agent claim 1 , preferably also during the ...

CURABLE COMPOUND

Provided is a curable compound having a low melting temperature, having excellent workability as a result of having good solvent solubility, and being capable of forming a cured product having excellent heat resistance. The curable compound according to an embodiment of the present invention includes the following characteristics (a) to (e). (a) Number average molecular weight (calibrated with polystyrene standard): 1000 to 15000. (b) Proportion of a structure derived from an aromatic ring in the total amount of the curable compound: 50 wt. % or greater. (c) Solvent solubility at 25° C.: 1 g/100 g or greater. (d) Glass transition temperature: 280° C. or lower. (e) 5% Weight loss temperature (T) measured at a rate of temperature increase of 10° C./min (in nitrogen), for a cured product of the curable compound: 300° C. or higher. 1. A curable compound having characteristics (a) to (e):(a) a number average molecular weight, calibrated with polystyrene standard, is from 1000 to 15000;(b) a proportion of a structure derived from an aromatic ring in a total amount of the curable compound is 50 wt. % or greater;(c) solvent solubility at 25° C. is 1 g/100 g or greater;(d) a glass transition temperature is 280° C. or lower; and{'sub': 'd5', '(e) a 5% weight loss temperature (T) of a cured product of the curable compound, measured at a rate of temperature increase of 10° C./min, in nitrogen, is 300° C. or higher.'}3. The curable compound according to claim 2 , wherein Rand Rin Formula (1) are identical or different and each represent a curable functional group having a cyclic imide structure.6. The curable compound according to claim 2 , wherein Arto Arin Formula (I) and Formula (II) are identical or different claim 2 , and each represent a group in which two hydrogen atoms are removed from an aromatic ring structure having from 6 to 14 carbons claim 2 , or a group in which two hydrogen atoms are removed from a structure in which two or more aromatic rings each having from 6 ...

CORROSION-INHIBITING, RADICALLY CUREABLE COMPOSITION

A composition for sealing joints, penetrations and other leaks in particular in the construction field, including at least one ethylenically unsaturated, radically polymerizable water-soluble compound, at least one radical initiator, water and at least one corrosion inhibitor including at least one phosphate. The corresponding composition has a corrosion-inhibiting effect with respect to metal. 1. A composition for sealing joins , penetrations and other leak sources , especially in the construction sector , comprising:a) at least one ethylenically unsaturated, free-radically polymerizable water-soluble compound,b) at least one free-radical initiator,c) water,d) at least one corrosion inhibitor comprising at least one phosphate, wherein the at least one ethylenically unsaturated, free-radically polymerizable water-soluble compound has a proportion by weight of 25 to 65 percent by weight, based on the total weight of the composition, and wherein the at least one phosphate comprises an alkali metal or alkaline earth metal salt of orthophosphoric acid, or a mixture thereof.2. The composition as claimed in claim 1 , wherein the weight ratio of the at least one ethylenically unsaturated claim 1 , free-radically polymerizable water-soluble compound to water is in the range from 0.1:1 to 3:1.3. The composition as claimed in claim 1 , wherein the at least one ethylenically unsaturated claim 1 , free-radically polymerizable water-soluble compound includes at least one water-soluble (meth)acrylic compound.4. The composition as claimed in claim 1 , wherein the at least one phosphate comprises an alkali metal or alkaline earth metal salt of orthophosphoric acid.5. The composition as claimed in claim 1 , wherein the at least one phosphate has a proportion by weight of 0.50-10.00 percent by weight claim 1 , based on the total weight of the composition.6. The composition as claimed in claim 1 , wherein the composition additionally includes at least one amine.7. The composition as ...

SEALANT FILM AND METHOD FOR PRODUCING SAME

Disclosed is a sealant film including at least a layer formed of a polyester as a superficial layer, in which the polyester contains 20 to 50 mol % of a 2,5-furandicarboxylic acid unit, 18 to 49.5 mol % of at least one diol unit selected from the group consisting of an ethylene glycol unit, a 1,3-propanediol unit, and a 1,4-butanediol unit, and 0.5 to 2.5 mol % of a diethylene glycol unit, the sealant film has a crystallinity of less than 14%, and the sealant film is a stretched film that exhibits a shrinkage ratio of 6% or more in a maximum shrinkage direction upon being allowed to stand at 125° C. for 20 seconds. This provides a sealant film superior in mechanical properties, especially tensile elongation, and also superior in heat sealability, non-adsorptivity, and gas barrier properties. 1. A sealant film comprising at least a layer formed of comprising a polyester as a superficial layer ,whereinthe polyester comprises 20 to 50 mol % of a 2,5-furandicarboxylic acid unit, 18 to 49.5 mol % of at least one diol unit selected from the group consisting of an ethylene glycol unit, a 1,3-propanediol unit, and a 1,4-butanediol unit, and 0.5 to 2.5 mol % of a diethylene glycol unit,the sealant film has a crystallinity of less than 14%, andthe sealant film is a stretched film that exhibits a shrinkage ratio of 6% or more in a maximum shrinkage direction upon being allowed to stand at 125° C. for 20 seconds.2. The sealant film according to claim 1 , wherein the polyester further comprises 0.01 to 30 mol % of another comonomer unit having 5 or more carbon atoms.3. The sealant film according to claim 1 , wherein the sealant film has a uniaxial stretching ratio of 1.1 to 4.5.4. The sealant film according to claim 1 , wherein the sealant film has an area stretching ratio of 1.1 to 9.0.5. The sealant film according to claim 1 , wherein the sealant film exhibits a tensile elongation of 130% or more as measured by performing a tensile test under a condition defined by a ...

Gas seal member for high-pressure hydrogen device, and high-pressure hydrogen device

Disclosed is a gas seal member for high-pressure hydrogen device with sufficiently reduced occurrence of both swelling destruction and blister destruction. The gas seal member is formed of a cross-linked product of an elastomer composition which comprises an elastomer and fibrous carbon nanostructures, wherein a hydrogen diffusion coefficient D1 of a cross-linked product of an elastomer component including the elastomer and a hydrogen diffusion coefficient D2 of the cross-linked product of the elastomer composition satisfy the relationship 0.7<D2/D1<1.0.

Cross-linkable rubber composition and cross-linked rubber

A cross-linkable rubber composition containing a carboxyl group-containing nitrile rubber (A) with an iodine value of 120 or less, a polyamine cross-linking agent (B), and a specific basic cross-linking accelerator (C) is provided. The basic cross-linking accelerator (C) is preferably dicyclopentylamine or dicyclohexylamine.

Functionalized alpha-olefin polymer, as well as cured composition and cured article using same

A functionalized α-olefin polymer having an α-olefin polymer main chain and an alkoxysilyl group and satisfying the following (a) to (d): (a) The meso-pentad fraction [mmmm] is less than 20 mol %, or the meso-diad fraction [m] is less than 95 mol %. (b) The weight-average molecular weight (Mw) is from 1,000 to 500,000. (c) The alkoxysilyl group concentration in all the monomer units is from 0.01 to 50 mol %. (d) The α-olefin polymer is a propylene homopolymer, a 1-butene homopolymer or a propylene-1-butene copolymer.

URETHANE-MODIFIED (METH)ACRYLAMIDE COMPOUND AND ACTIVE ENERGY RAY CURABLE RESIN COMPOSITION CONTAINING SAME

Provided is an active energy ray curable resin which has excellent compatibility with organic solvents, general purpose acrylic monomers, and oligomers, and a high curing property with an active energy ray, and also has a high adhesion property for each substrate. A cured film obtained by ultraviolet curing of the active energy ray curable resin has an excellent surface curing property, scratch resistance and bending resistance, while also having high transparency. Provided is a urethane modified (meth)acrylamide compound having a urethane bond and one or more (meth)acrylamide groups in the molecule. The urethane modified (meth)acrylamide compound has excellent compatibility with organic solvents, general purpose acrylic monomers, and oligomers, and exhibits a high curing property with an active energy ray. Also provided is an active energy ray curable resin which is obtained with the urethane modified (meth)acrylamide compound and has an excellent surface curing property, scratch resistance, and bending resistance. 2. The urethane modified (meth)acrylamide compound according to claim 1 , wherein the urethane modified (meth)acrylamide compound has a number average molecular weight of 250 to 4 claim 1 ,500 and (meth)acryl equivalents within the range of from 250 to 3 claim 1 ,000.3. The urethane modified (meth)acrylamide compound according to claim 1 , wherein the alcohol compound is a compound which has one or more kinds of a skeleton selected from an ether skeleton claim 1 , an ester skeleton claim 1 , a carbonate skeleton claim 1 , a silicone skeleton claim 1 , an olefin skeleton claim 1 , and an acryl skeleton.4. The urethane modified (meth)acrylamide compound according to claim 1 , wherein the urethane modified (meth)acrylamide compound has an ether skeleton claim 1 , a number average molecular weight of 250 to 1 claim 1 ,500 claim 1 , and acryl equivalents within the range of from 250 to 750.5. An active energy ray curable resin composition comprising 1 to 100% ...

Resin composition and use thereof

[Means for solving problem] The resin composition of the present invention comprises 100 parts by mass of a specific ethylene/α-olefin/non-conjugated polyene copolymer (A) and 0.1 to 5 parts by mass of a peroxide (B), and the copolymer (A) comprises structural units derived from ethylene (a1), an α-olefin (a2) having 3 to 20 carbon atoms, and a non-conjugated polyene (a3) including intramolecularly two or more partial structures in total selected from the group consisting of structures represented by the following formulae (I) and (II), [Effect] The resin composition of the present invention is excellent in crosslinking properties and the resin composition and its crosslinked shaped article of the present invention can be used, without any limitation, in various applications known as applications of rubber composition, and can be suitably used, for example, for interior and exterior parts for automobiles and applications requiring heat resistance.

Sealant Composition

The instant invention provides a polyolefin composition suitable for sealant applications, sealant compositions, method of producing the same, and films and multilayer structures made therefrom. The polyolefin composition suitable for sealant applications according to the present invention comprises: an ethylene/α-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 40 to 110, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.0; a density in the range of from 0.908 to 0.922 g/cm 3 , a melt index (I 2 at 190° C./2.16 kg) in the range of from 0.5 to 5.0g/10 minutes, a molecular weight distribution (defined as the weight average molecular weight divided by the number average molecular weight, M w /M n ) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second, determined at 190 ° C., in the range of from 5 to 50.

CATALYST FOR CURABLE COMPOSITIONS CONTAINING HEXAHYDROTRIAZINE STRUCTURAL UNITS

A compound containing at least one hexahydrotriazine unit of formula (I) having at least one amidine or guanidine group and to the use thereof as a catalyst for the crosslinking of a functional compound, in particular a polymer including silane groups. The compound contains at least one hexahydrotriazine unit of formula (I) is producible in a simple process from readily available feedstocks, odorless at room temperature, non-volatile and largely non-toxic. The compound accelerates the crosslinking of functional polymers surprisingly well and by simple variation of the substituents is variable such that it has very good compatibility in different polymers as a result of which such compositions do not have a propensity for migration-based defects such as separation, exudation or substrate contamination. 2. A compound as claimed in claim 1 , wherein A is a divalent hydrocarbyl radical which has 2 to 50 carbon atoms and optionally contains heteroatoms in the form of ether oxygen or secondary or tertiary amine nitrogen or siloxane units.4. A compound as claimed in claim 3 , wherein Ris a hydrogen radical or an alkyl radical having 1 to 4 carbon atoms claim 3 , and Rand Rtogether are R.5. A compound as claimed in claim 3 , wherein Ris —NRR claim 3 , R claim 3 , Rand Rare each a hydrogen radical claim 3 , and Rand Rare each independently an alkyl claim 3 , cycloalkyl or aralkyl radical which has 1 to 12 carbon atoms and optionally contains an ether oxygen or tertiary amine nitrogen.7. A compound as claimed in claim 6 , wherein X is a radical selected from -A-Z claim 6 , methyl claim 6 , ethyl claim 6 , propyl claim 6 , isopropyl claim 6 , butyl claim 6 , isobutyl claim 6 , sec-butyl claim 6 , tert-butyl claim 6 , hexyl claim 6 , octyl claim 6 , 2-ethylhexyl claim 6 , cyclohexyl claim 6 , benzyl claim 6 , methoxyethyl claim 6 , methoxyethoxyethyl claim 6 , trimethoxysilylpropyl claim 6 , triethoxysilylpropyl and ω-alkoxypoly(dimethylsiloxane)prop-3-yl having an average ...

SEALANT MATERIAL

A sealant material for sealing joints between male and female mating parts comprising: 1. A sealant material for sealing joints between male and female mating parts comprising:(a) an elongate flexible thread suitable for wrapping around at least one of the parts, and(b) a joint sealing composition comprising an anaerobically curable composition in solid form, the flexible thread being coated with the anaerobically curable composition.2. A sealant material according to wherein the curable composition comprises a curable component and optionally has at least one functional group selected from acrylates and methacrylates claim 1 , and combinations thereof.4. A sealant material according to wherein the curable composition is in solid tack-free form.5. A sealant material according to wherein the curable composition has a melting point from about 40° C. to about 100° C.6. A sealant material according to wherein the curable composition has a melting point from about 50° C. to about 100° C.7. A sealant material according to wherein the composition comprises an anaerobically curable component which comprises an anaerobically curable monomer.8. A sealant material according to wherein the composition comprises an anaerobically curable component which comprises an anaerobically curable monomer and a resin component.9. A sealant material according to wherein the resin component is anaerobically curable.10. A sealant material according to wherein the resin component and the anaerobically curable monomer are each a solid claim 8 , each with a melting point in the range from about 30° C. to about 100° C.11. A sealant material according to wherein the composition is provided in an at least two-part form and a first part comprises the resin component and a second part comprises the anaerobically curable monomer.12. A sealant material according to wherein the anaerobically curable component includes the product formed by melting the resin component and the anaerobically curable ...

CURABLE COMPOSITIONS AND RELATED METHODS

Provided are two-component curable compositions and methods thereof. The composition includes a base component comprised of a curable resin and a first compressible filler dispersed therein. The composition further includes a curative component comprised of a curing agent and a second compressible filler dispersed therein. The base and curative components react with each other upon mixing to provide a crosslinked network. When used with automated metering pumps, the compressibility of the base and curing agent components can be matched, allowing for a constant mix ratio despite variability in applied pressure. 1. A two-component curable composition comprising:a base component comprised of a curable resin and a first compressible filler dispersed therein; anda curative component comprised of a curing agent and a second compressible filler dispersed therein, the base and curative components reactive with each other upon mixing to provide a crosslinked network.2. The composition of claim 1 , wherein the first and second compressible fillers each comprises elastomeric hollow particles.3. The composition of claim 1 , wherein the first compressible filler is present in an amount of from 0.9 percent to 28 percent by weight based on the overall weight of the base component.4. The composition of claim 1 , wherein the second compressible filler is present in an amount of from 1 percent to 38 percent by weight based on the overall weight of the curative component.5. The composition of claim 1 , wherein each of the base component and curative component displays an average compression of from 5 percent to 50 percent when subjected to a pressure of 5 Bar at ambient temperature.6. The composition of claim 1 , wherein the base component displays an average compression within 15 percent of that of the curative component when both are subjected to a pressure of 5 Bar at ambient temperature.7. The composition of claim 1 , wherein each of the first and second compressible fillers ...