ЗАЩИТА ОТ КОРРОЗИИ ДЛЯ ТОПЛИВНЫХ РЕЗЕРВУАРОВ, НЕ СОДЕРЖАЩАЯ ХРОМАТОВ

Изобретение относится к композиции, не содержащей хроматов, к ее применению для защиты от коррозии внутренних поверхностей топливных резервуаров. Композиция содержит связующее - эпоксидные или полиуретановые смолы, отвердители, ингибитор коррозии от 5 до 30 мас.%, четвертичные аммониевые соединения - не менее 0,1 мас.% от общей массы композиции. Изобретение позволяет получать покрытия, не содержащие хроматов, защищающие поверхность металла от микробиологической индуцированной коррозии. 3 н. и 10 з.п. ф-лы., 4 табл., 10 пр.

ПОЛИУРЕТАНОВЫЕ ЭЛАСТОМЕРЫ, СПОСОБ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ

... 1. Способ получения полиуретановых эластомеров, отличающийся тем, что:a) мономерный полиизоцианат превращают посредством катализатора тримеризации, используемого в количестве от 0,1 до 2000 млнв пересчете на мономерный полиизоцианат, причем при содержании превращенного полиизоцианата от 0,01 до 5,0% масс, в пересчете на общий полиизоцианат превращение прекращают посредством ингибитора тримеризации, молярное отношение которого к катализатору тримеризации составляет от 1:2 до 20:1,b) смесь мономерного и превращенного полиизоцианата по пункту а) превращают с полиолами с гидроксильным числом от 20 до 200 мг КОН/г и функциональностью от 1,95 до 2,40 в форполимер с концевыми изоцианатными группами, иc) форполимер с концевыми изоцианатными группами превращают с агентами удлинения цепей и/или сшивающими агентами в полиуретановый эластомер,причем мономерный полиизоцианат и/или полиолы при необходимости могут содержать вспомогательные компоненты и/или добавки.2. Способ получения форполимеров с концевыми ...

ФОТОПОЛИМЕРНЫЕ КОМПОЗИЦИИ С РЕГУЛИРУЕМЫМ МЕХАНИЧЕСКИМ МОДУЛЕМ G

... 1. Способ изготовления экспонированных голографических сред, содержащих фотополимерную композицию с модулем Gв пределах от 0,1 до 160 МПа и Δn≥0,008, при реализации которогоi. готовят фотополимерную композицию, включающую в себяA) Полимеры матрицы в виде аморфной сетчатой структуры,B) комбинацию одного монофункционального записывающего мономера и одного мультифункционального записывающего мономера,C) фотоинициирующую систему,D) в качестве опции компонент, неспособный к фотополимеризации,Е) при необходимости катализаторы, стабилизаторы радикалов, растворители, присадки, а также прочие вспомогательные и/или дополнительные веществаii. придают фотополимерной композиции форму среды,iii. проводят над средами эксперимент по голографической экспозиции, чтобы записать голограмму, иiv. освещают всю среду УФ-излучением, чтобы зафиксировать голограммупричем записывающие мономеры представляют собой соединения с акрилатными и/или метакрилатными функциональными группами, общее содержание записывающих ...

Durch eine Einstufen-Reaktion enthaltene und lichtstabile Polyurethan-Harnstoff Elastomere

Lagerstabile Polyurethan-Prepregs und daraus hergestellte Formkörper aus Polyurethanzusammensetzung mit flüssigen Harzkomponenten

Die Erfindung betrifft lagerstabilen Polyurethan-Prepregs und daraus hergestellte Formkörper aus Polyurethanzusammensetzung mit flüssigen Harzkomponenten, bevorzugt flüssigen Polyolen.

ALPHA EPSILON ALKANE DIISOCYANATES AND THEIR USE IN POLYURETHANE PRODUCTION

POLYURETHANE COMPOSITIONS FOR ROCKET CASING LINERS

COMPOSITION FROM ISOCYANATES, YOUR USE FOR THE PRODUCTION OF ADHESIVES, AND THE SO THAT MANUFACTURE AROMATIC BONDING SLITS

BY A CLASSIFICATION REACTION ABSTENTION AND LIGHT-STABLE PU UREA OF ELASTOMERS

VERFAHREN ZUR HERSTELLUNG VON SUPERELASTISCHEN POLYURETHANSCHAUMSTOFFEN (KALTSCHAUMSTOFFEN)

EMULSIVE POLYISOCYANATE

COLÖSERFREIE, SELF-BRANCHED ONES POLYURETHANE DISPERSIONS

PREPOLYMERBASIERTE FORMULATIONS OF PU FOR THE PRODUCTION OF HOLOGRAPHIC FILMS

PROCEDURE FOR THE PRODUCTION OF SUPERELASTIC POLYURETHAN-FOAM MATERIALS (COLD FOAM MATERIALS)

REACTIVE PU COMPOSITION

LOW VISCOSITY AND HIGH FUNCTIONALITY EXHIBITING POLYISOCYANATE COMPOSITION AND PROCEDURE FOR THE PRODUCTION

BONDING AGENT MIXTURES AND YOUR USE

USE OF POLYISOCYANATEN OR OF POLYISOCYANATE MIXTURES AS ADDITIVES FOR AQUEOUS EMULSION PAINTS.

AQUEOUS DISPERSIONS, DEVELOPED FROM POLYCARBODIIMIDEN

CATALYST MIXTURE FOR THE PRODUCTION OF COLD HARD ENDS POLYURETHAN-FOAM MATERIALS

CARBODIIMIDE WITH CARBOXYL OR GROUPS OF CARBOXYLATES

SOLIDIFICATION-STABLE BLOCKED POLYISOCYANATE

GROUPS OF ECYL UREA ABSTENTIONS OF POLYISOCYANATE MIXTURES

Non-aqueous crosslinkable composition

The present invention relates to a crosslinkable composition comprising a polyol, a polyisocyanate crosslinker, a catalyst for catalysing the reaction between -OH groups of said polyol and -NCO groups of said crosslinker, a tertiary acid of formula RR'R"CCOOH (I), wherein each R, R' and R" group, independently, is an alkyl, alkenyl, aryl or aralkyi group containing at least one carbon atom, with the proviso that two or three of the R, R' and R" groups can be linked to form a ring structure and wherein the R, R' and/or R" groups can be substituted, and optionally, a complexing agent containing at least one -SH group, as well as its use for making coatings having improved application properties.

Isocyanate-free primer composition for glass and glass ceramics

Polythiourethane polymerizable composition and method for producing optical resin by using same

Disclosed are a resin composition excellent in dyability and resin strength, a resin obtained by curing such a resin composition, and an optical component. Specifically disclosed is a polymerizable composition containing an isocyanate compound suitably used for transparent resin materials, at least one polythiol compound which may have one or more (poly)sulfide bond in a molecule, and at least one polyhydroxy compound having two or more hydroxy groups in a molecule and/or at least one (poly)hydroxy(poly)mercapto compound having one or more hydroxy groups and one or more thiol groups.

Modified diphenylmethane diisocyanate-based adhesives

Adhesive compositions using modified diphenylmethane diisocyanate are disclosed along with methods and articles using the adhesive compositions. The adhesive compositions are especially suited for making flexible laminates for use in food packaging.

Moisture curable, one-component coating compositions

HETEROCYCLIC NYLON-1 TYPE POLYMERS

CHROMATE-FREE CORROSION PREVENTION FOR FUEL TANKS

The present invention relates to a chromate-free composition, to the use thereof for corrosion protection, and to a corrosion protection coating for the inside surfaces of fuel tanks, wherein the composition comprises binding agents, hardening agents, corrosion inhibitors and quaternary ammonium compounds in a quantity of at least 0.1% by weight.

URETHANE RESIN COMPOSITIONS

A urethane resin composition which comprises i) a polyisocyanate component having 20/80 to 80/20 of a weight ratio on a solid basis of an .alpha.,.alpha.,.alpha.',.alpha.'-tetramethyl-xylyl ene diisocyanate derivative to a hexamethylene diisocyanate derivative and ii) an acrylic polyol. The urethane resin composition can provide coating films with excellent drying property, mechanical properties, weathering resistance and chemical resistance, and are advantageously used, for example, as a paint for automobile repairing uses.

POLYURETHANE FOAMS

CO SOLVENT-FREE, SELF-CROSSLINKING POLYURETHANE DISPERSIONS

The present invention relates to a method for the production of self-cros slinking polyurethane dispersions, the self-crosslinking, aqueous dispersion s obtainable from this method, the use thereof as coating means, coating mea ns which contain said self-crosslinking aqueous dispersions, and a method fo r coating substrates and also substrates which have been treated with coatin g means which contain self-crosslinking aqueous dispersions.

RIM ELASTOMERS BASED ON ISOCYANURATES OF ISOPHORONE DIISOCYANATE AND PREPOLYMERS THEREOF

This invention relates to RIM molded elastomers prepared from aliphatic isocyanurates and prepolymers thereof. The reactive systems used to prepare these elastomers exhibit longer gel times with improved flow and can still b e demolded in about 30 seconds. The resultant elastomers have good weatherability without painting. This invention also relates to phase stable polyol blends.

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure -CO-NH2 and/or from compounds which comprise a group having the structure -CO-NH-CO- is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

A PROCESS FOR THE PREPARATION OF POLYSOCYANATES CONTAINING URETDIONE AND ISOCYANURATE GROUPS, THE POLYISOCYANATES OBTAINED BY THIS PROCESS AND THEIR USE IN TWO COMPONENT POLYURETHANE COATINGS

The present invention is directed to a process for the preparation of modified polyisocyanates containing uretdione and isocyanurate groups by the oligomerization of a portion of the isocyanate groups of organic diisocyanates containing (cyclo)aliphatically-bound isocyanate groups in the presence of organic phosphines of catalysts followed by termination of the oligomerization reaction at the desired degree of oligomerization by the addition of a catalyst poison and removal, by distillation, of at least a portion of the excess, unreacted starting diisocyanate, characterized in that a) about 0.1 to 10% of the isocyanate groups present in the starting diisocyanate are converted into urethane groups by the addition of at least one alcohol before and/or during the oligomerization reaction, and b) the distillation residue obtained after removal of the excess starting diisocyanate is heated to temperatures of at least 50.degree.C in the presence of 100 to 10,000 ppm, based on the weight of the ...

POLYCYCLIC IMINOOXADIAZINEDIONES FROM (CYCLO) ALIPHATIC 1,4-DIISOCYANATES

The present invention relates to polycyclic iminooxadiazinediones A correspondin g to formula I (see fig. I) The present invention also relates to mixtures of these polycyclic iminooxadiazi nediones with other isocyanate derivatives and to their use for the production of optionally foamed polyurethane plastics, for the production of paints and coatings and for the production or formulation of active ingredients, pharmaceut ical products, etc.

PREPARATION OF ISOCYANURATE-AND/OR URETDIONE-CONTAINING POLYISOCYANATES HAVING A REDUCED COLOR INDEX AND IMPROVED SHELF LIFE, AND PRODUCTS PREPARED BY THIS METHOD

... of the Disclosure: Isocyanurate- and/or uretdione-containing polyisocyanates having a reduced color index and improved shelf life are prepared by conventional catalytic oligomerization of aliphatic and/or cycloaliphatic diisocyanates and treatment of the oligomerization products with peroxycarboxylic acids.

LOW VISCOSITY POLYISOCYANATE MIXTURES AND COATING COMPOSITIONS PREPARED THEREFROM

The present invention relates to polyisocyanate mixtures containing 30 to 98 wt.% of a polyisocyanate A) having a viscosity exceeding 700 mPa.s at 23.degree.C and 2 to 70 wt % of a (cyclo)aliphatic triisocyanate B) having a molecular weight of 200 to 600 and a viscosity below 200 mPa.s at 23.degree.C, provided that the polyisocyanate mixtures have one-half of the viscosity of polyisocyanate component A) when triisocyanate B) is present in an amount of 30 wt.%, preferably in an amount of 20 wt.%, wherein the preceding percentages are based on the total weight of the polyisocyanate mixtures. The present invention also relates to coating compositions containing these polyisocyanate mixtures, optionally in blocked form.

Verfahren zur Herstellung von für die Herstellung von Polyurethanschäumen geeigneten Produkten

PROCEDURE FOR THE PRODUCTION OF GROUPS OF ISO CYANOGEN URATES AND GROUPS OF URETHANES EXHIBITING PLASTICS.

Organic isocyanate polymerization

ADHESIVE COMPOSITIONS

MADE FROM URETHANE RHEOLOGY MODIFIER

INTERNAL COATING COMPOSITIONS CONTAINING ISOCYANATES DIMERS

Polyisocyanate composition for use in paint coatings, especially automotive paint finishes, with an average functionality above three, and a paint composition comprising it and an acrylic polyol

Cette invention concerne une composition polyisocyanate ayant une fonctionnalité moyenne supérieure à 3, avantageusement supérieure à 3, 5, de préférence supérieure à 4, obtenue par polycondensation de monomères diisocyanates ou triisocyanates, comportant : (a) de 0 à 5 % en masse de composés porteurs d'une seule fonction uretidinedione; (b) de 0 à 45 % en masse de composés porteurs d'une seule fonction isocyanurate; (c) au moins 40 % en masse d'un mélange de composés polyisocyanates présentant une masse moléculaire au moins égale à trois fois la masse moléculaire moyenne des monomères isocyanates ayant la masse moléculaire la plus petite et porteurs d'au moins deux fonctions isocyanates ledit mélange présentant un rapport fonctions carbonyles appartenant à un cycle urétidinedione/ fonctions carbonyles appartenant à un cycle isocyanurate + urétidinedione/ fonctions carbonyles appartenant à un cycle urétidinedione au moins égal à 4 %; d) de 0 à 25 % en masse de composés porteurs d'au moins ...

URETHANE-BASED OPTICAL COMPONENT AND MANUFACTURING PROCESS THEREFOR

PROCESS FOR THE PREPARATION OF TELOMERES WHICH CARRY ISOCYANATE GROUPS

PHOTOPOLYMER FORMULATIONS HAVING THE ADJUSTABLE MECHANICAL MODULUS GUV

The subject matter of the invention is a method for producing illuminated, holographic media comprising a photopolymer formulation having the adjustable mechanical modulus GUV. A further subject matter of the invention is an illuminated, holographic medium that can be obtained by means of the method according to the invention.

HOT MELT COATING COMPOSITION

Thermosetting hot melt coating composition with a binder comprising: a. 40 - 95 %, preferably 50 - 90 %, by total resin weight of at least one amorphous resin; b. 5 - 60 %, preferably 10 - 50 %, by total resin weight of at least one semi-crystalline resin, e.g. a polyester, and/or one or more crystalline resins, such as urethane polyols or amide polyols. Internally blocked isocyanates are preferred cross-linkers. The composition comprises at least one non-polymeric crosslink enhancer having two or more functional groups capable of reacting with the functional groups of the crosslinker and/or one or more of the used resins. Pigments may be dispersed in at least one of the semi-crystalline and/or crystalline resins, before the amorphous resin is blended with the semi-crystalline and/or crystalline resins.

HOT CURING OR HEAT-ACTIVATED COMPOSITION CONTAINING A SURFACE-DEACTIVATED POLYISOCYANATE

The present invention relates to curable compositions comprising at least one specific blocked amine, at least one surface-deactivated polyisocyanate that is solid at ambient temperature and optionally water or a water-producing substance. Compositions of this type are characterized by an extremely high storage stability as long as they are not heated. Hot curing compositions that cure with the action of heat can thus be produced. Heat-activated compositions can also be produced. When heat is applied the latter compositions are not cured but are activated so that they are able to cure under the influence of moisture. The curable compositions are particularly suitable for use as adhesives.

COMPOSITIONS CONTAINING AROMATIC ISOCYANATE FUNCTIONAL COMPONENTS AND ALIPHATIC AROMATICS ISOCYANATE FUNCTIONAL COMPONENTS HAVING IMPROVED CURE SPEED

A composition comprising in Part 1: a) one or more isocyanate functional components having aromatic isocyanate functional groups; and b) one or more isocyanate functional components having aliphatic isocyanate functional groups; and in Part 2 c) one or more compounds having more than one isocyanate reactive groups: wherein the ratio of aromatic isocyanate functional groups to isocyanate reactive groups is from 0.95 to 1.05 and the ratio of aromatic isocyanate functional groups and aliphatic isocyanate functional groups (total isocyanate groups) to isocyanate reactive groups is from 1.10 to 1.30.

Polyisocyanate Trimerization Catalyst Composition

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure CONH2 and/or from compounds which comprise a group having the structure CONHCO is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

Optical resin composition and optical lens using same

The present invention provides an optical polymerizable composition, an optical composition, a large-area window, a polyisocyanate composition, and eyeglass lens and producing method thereof. The optical polymerizable composition is composed of a polythiol compound and a polyisocyanate compound, and a urethane-based optical lens obtained by reacting the compounds has a low specific gravity and thus is lightweight, and has excellent heat resistance, and particularly, problems of degradation in impact resistance which appear after hard-multi coating are solved. The lens produced using the composition has various excellent optical characteristics including workability such as formability and dyeability, transparency and the like.

Photographisches Aufzeichnungsmaterial fuer das Vesicularverfahren und Vesicularverfahren zur Herstellung eines photographischen Bildes oder Reliefbildes

Polyurethanvergussmassen

Die vorliegende Erfindung betrifft die Verwendung von Polyurethanvergussmassen zur Herstellung lichtechter, kompakter oder geschäumter Polyurethan- bzw. Polyurethanharnstoffkörper, die sich durch außerordentlich gute mechanische und optische Eigenschaften auszeichnen und insbesondere eine sehr hohe Wärmefortbeständigkeit aufweisen.

POLYURETHANSCHAUM UND VERFAHREN ZU SEINER HERSTELLUNG

Verfahren zur Herstellung von modifizierten Toluylendiisocyanaten

PROCESS FOR THE PREPARATION OF OLIGOMERIC POLYISOCYANATES AND THEIR USE IN THE PREPARATION OF POLYURETHANE PLASTICS

A THERMOSETTING RESIN AND A METHOD FOR PRODUCING IT

A THERMOSETTING RESIN AND A METHOD FOR PRODUCING IT

PROCESS FOR THE PRODUCTION OF POLYURETHANE FOAMS

... 1382538 Polyurethane foams BAYER AG .15 June 1973 [27 June 1972] 28590/73 Heading C3R An open-celled polyurethane foam which can be irreversibly compressed in the absence of water and which, when compressed, will swell up to its original volume in the presence of water, is obtained by reacting (a) a polyhydroxyl compound having a hydroxyl number of from 600 to 1,900 with (b) a polyisocyanate having aliphatically bound isocyanate groups and which contains urethane and/or urea and/or carbodiimide and/or allophanate and/or isocyanurate and/or biuret groups and with (c) water. Instead of the above polyhydroxy compound there may be used a mixture of compounds having an average hydroxyl number of from 600 to 1,900; such a mixture may include polyhydroxyl compounds with hydroxyl numbers between 30 and 600 provided the average hydroxyl number of the mixture is from 600 to 1,900. In examples, irreversibly compressible foams which recover their original volumes when contacted with water, are obtained ...

A process for polymerising isocyanates

Isocyanates are polymerized in the presence of a catalyst comprising a salt the anion of which has the formula wherein X represents another N atom or the group C-R where R is a hydrogen atom or an alkyl, aralkyl or aryl group, and the two free valencies are connected on both sides to organic residues which may be closed to form a heterocyclic ring containing at least two N atoms. The starting materials may be an alkyl, aromatic or cycloaliphatic mono- or poly-iso cyanates or polyurethanes obtained by reacting excess of poly-isocyanate with a compound containing active hydrogen, e.g. hydroxyl polyesters, polyhydric-polyalkylene ethers, polyhydric - polyalkylene thio - ethers, polyesteramides, polyacetals and compounds containing active methylene groups humerous compounds containing active hydrogen are specified. The starting material may also be a copolymer of an unsaturated isocyanate and another olefinically unsaturated compound. Also included as starting materials ...

Polyisocyanate compositions modified by thermal treatment of tolylene-diisocyanate in the presence of organotin compounds.

... 1,158,185. Polyisocyanate compositions obtained from tolylenediisocyanates. SUMITOMO CHEMICAL CO. Ltd. 18 Jan., 1967 [19 Jan., 1966], No. 2736/67. Heading C2C. The invention relates to a process for the preparation of polyisocyanate compositions which comprises heating at 150‹ to 250‹ C. in a dry inert atmosphere, e.g. nitrogen, in the presence, as catalyst, of one or more compounds represented by the general formulµ wherein R and R1 are alkyl groups, a tolylenediisocyanate-tarry matter mixture obtained by the phosgenation of a tolylene diamine. The catalyst may be stannous octoate, stannous oleate, stannous acetate, dimethyltin distearate and dilauryltin diacetate and used in an amount of 0À1 to 2% preferably 0À5 to 1% by weight based on the toluylene diisocyanatetarry matter mixture.

PROCESS FOR THE PRODUCTION OF HIGH RESILIENT POLYURETHANE FOAMS(COLD CURING FOAMS)

... 1487026 Polyurethane foams BAYER AG 15 Sept 1975 [17 Sept 1974] 37744/75 Heading C3R Cold-curing, high resilient polyurethane foams are prepared by reacting a modified polyisocyanate, defined below, with a compound having at least 2 isocyanate reactive hydrogen atoms and a molecular weight of from 400 to 10,000 in the presence of water and/or an organic blowing agent, the modified polyisocyanate being prepared in a preliminary stage immediately before foaming. The time between the preparation of the modified polyisocyanate and the polyurethane forming reaction is generally from 0À1 seconds to 20 minutes. The modified polyisocyanate is either continuously delivered to the mixing head used for foaming immediately after its production or where the foaming is carried out intermittently, provision is made for brief intermediate storage within the above defined time limits. The modified polyisocyanates are polyisocyanates containing carbodiimide, biuret, allophanate, urethane or isocyanurate ...

PROCEDURE FOR THE PRODUCTION OF A MODIFIED ONE DIISOCYANATS, PROCEDURES FOR THE PRODUCTION OF A SELF-LUBRICATING ENAMEL LACQUER, PROCEDURE FOR THE PRODUCTION OF AN LACQUER-ISOLATED ELECTRICAL CONDUCTOR

MORE OLIGOMER, FOR COATING COMPOSITIONS FOR WOOD SUBSTRATES IS SUITABLE

KATALYSATORGEMISCH ZUR HERSTELLUNG VON KALTHARTENDEN POLYURETHANSCHAUMSTOFFEN

FORMULATIONS OF PHOTO POLYMER WITH ADJUSTABLE MECHANICAL MODULE GUV

BLOCKED ISOCYANATES AND YOUR USE IN COATING COMPOSITIONS

MANUFACTURING PROCESS FOR A POLYISOCYANURATVERBUND

PROCEDURE FOR THE PRODUCTION OF HARD FOAMS.

POLYURETHAN-FOAM PRODUCTION.

Procedure for the production of a flame-firm polyurethan-foam material

Polythiourethane polymerizable composition and method for producing optical resin by using same

MANUFACTURE OF POLYURETHANE FOAM

POLYURETHANE FOAMS

Blocked isocyanates and their use in coating compositions

Coating method and hardener for polyurethane paint

... [Problem] In a coating method of a two-coat one-bake system where a clear coat paint is coated after a base coat paint is coated, then these two coated layers are simultaneously hardened, adhesive strength between the two coated layers is to increase in comparison with the conventional method. [Solution] Provided is a coating method; A specific hardener is used in the clear co at paint. The hardener is one containing a polyisocyanate derived from 1, 6-hexamethylene diisocyanate, satisfying all the following conditions: 1 ) Hardener does not virtually include diisocyanate monomer, 2) Viscosity of hardener is not more than 1000 mPa-s/23°C, 3) Content of HDI trimer in hardener is not less than 60 weight %, and 4) Content of HDI dimer in hardener is less than 10 weight %.

PREPARATION AND USE OF BIURET-CONTAINING POLYISOCYANATES AS CROSS-LINKING AGENTS FOR COATINGS

Biuret group-containing polyisocyanates are produced having an isocyanate functionality of at least (4) are prepared by reacting polyisocyanates having a functionality of at least (2.8) with water as the biuretizing agent. Most preferably water is used as the sole biuretizing agent. The preparation is useful as a curing agent in crosslinkable coating compositions. The coating composition can be used as an automotive clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or even as a primer or sealer when a suitable amount of pigment is incorporated therein.

XANTHATES IN MAKING POLYISOCYANURATES

POLYURETHANE FOAMS

PROCESS FOR PRODUCING A RING-OPENING POLYMERIZATION PRODUCT

The invention relates to a process for producing a ring-opening polymerization product by reacting at least one polyisocyanate and 2-oxo-1,3-dioxolane-4-carboxylic acid and subjecting the reaction product to a temperature within the range of from about 40 to about 150 °C in the presence of a catalytic amount of at least one non-nucleophilic base. The obtained polymerization product may be present as a foam and is suitable as binder, insulation material, sealant or coating and in the production of mattresses or wound pads.

PREPARATION AND USE OF BIURET-CONTAINING POLYISOCYANATES AS CROSS-LINKING AGENTS FOR COATINGS

Biuret group-containing polyisocyanates are produced having an isocyanate functionality of at least (4) are prepared by reacting polyisocyanates having a functionality of at least (2.8) with water as the biuretizing agent. Most preferably water is used as the sole biuretizing agent. The preparation is useful as a curing agent in crosslinkable coating compositions. The coating composition can be used as an automotive clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or even as a primer or sealer when a suitable amount of pigment is incorporated therein.

POLYISOCYANATE-BASED BINDER

Aqueous binder composition comprising an organic emulsifiiable polyisocyanate, an aromatic polyester polyol and a alkali metal salt of a carboxylic acid as trimerisation catalyst and its use for bonding mineral fibre or lignocellulosic material.

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure -CO-NH2 and/or from compounds which comprise a group having the structure -CO-NH-CO- is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

PROCESS FOR THE PREPARATION OF CROSSLINKED POLY(ISOCYANATES)

A composition suitable for making coatings binders and films and the process for the preparation of the composition are disclosed. Accordingly, nylon-1 which contains structural units conforming to where R and R' are organic radicals and which contains an amount of unpolymerized NCO groups, is reacted with a monofunctional blocking agent to produce a first product. The resulting first product is then reacted with an isocyanate-reactive product to produce a second product. The second product is suitable for the preparation of films, binders and coatings.

Prepolymer-based polyurethane formulations for the production of holographic films

The present invention relates to a novel holographic photopolymer based on prepolymer-based polyurethane compositions, the preparation of said photopolymer and its use for a very wide range of optical applications.

For fuel tank non-chromate corrosion protection

METHOD OF PREPARATION OF ORGANIC COMPOSITIONS OF POLYISOCYANATE

METHOD OF PREPARATION OF PLASTICS CONTAINING OF GROUPS ISOCYANURATE AND THE URETHAN GROUPS

Process for the manufacture of lacquers and varnished, films, coatings and impregnations

PROCEEDED OF PREPARATION OF POLYURETHANE FOAMS HAS VERY STRONG ELASTICITY (COLD FOAMS)

MADE FROM URETHANE RHEOLOGY MODIFIER

L'invention concerne un composé uréthane modificateur de rhéologie. Le composé à fonctions uréthanes de l'invention peut être préparé selon un procédé en plusieurs étapes qui mettent en œuvre des composés à fonctions isocyanates différents. Pour la préparation du composé uréthane selon l'invention, un composé monoisocyanate, notamment un composé monoisocyanate issu de la condensation séparée d'un composé diisocyanate dissymétrique avec un composé réactif, est mis à réagir avec un composé alkylène-glycol en présence d'un composé polyisocyanate. L'invention fournit également des compositions de revêtement comprenant des particules minérales et un composé uréthane selon l'invention.

Prepregs and molded bodies produced from same

The invention relates to prepregs and composite components produced therefrom (mouldings), obtainable by the use of powdery reactive polyurethane compositions.

Method for formulating a reactive polyurethane emulsion

A method for production of a reactive polyurethane emulsion for use in impregnating and coating a textile fabric includes reacting polyols alone or in combination with at least one of diols and triols with a substoichiometric amount of diisocyanates so as to form medium-viscosity, OH-terminated prepolymers. The prepolymers are mixed with an external emulsifier. At least one of a diisocyanate, a triisocyanate and a polyisocyanate are added so as to bring about a crosslinking of the prepolymers.

Method for preparing an allophanate, allophanate, and low-viscosity composition containing the allophanate

A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst.

Aqueous coating systems based on physically drying urethane acrylates

The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives.

Solvents and compositions for treating hydrocarbon-bearing formations

A method of treating a hydrocarbon-bearing formation that includes receiving data comprising a temperature and a brine composition of the hydrocarbon-bearing formation; selecting a treatment composition for the hydrocarbon-bearing formation comprising a fluorinated compound and solvent, wherein, at the temperature, a mixture of an amount of the brine composition and the treatment composition separates into at least two separate transparent liquid layers, and wherein the mixture is free of precipitated solid; and contacting the hydrocarbon-bearing formation with the treatment composition. Compositions containing certain fluorinated polymers and solvents containing water, monohydroxy alcohols, and ketones are also disclosed.

Curable composition with rubber-like properties

Low viscosity, radiation curable compositions have been developed that produce plastics with silicone rubber-like properties. These compositions have also been shown to give great adhesion to plastics. The combination of an ethylenically unsaturated oligomer with di- or polythiol compound, reactive diluents and a radical initiator will produce these properties. These materials can find use in many areas such as: Electronics packaging, displays, conformal coatings, seals, gaskets, fiber optics coatings, and golf ball coatings.

Biodisintegratable composite foils

The use of an aqueous polyurethane dispersion adhesive is described for producing biodisintegratable composite foils where at least two substrates are adhesive-bonded to one another with use of the polyurethane dispersion adhesive, where at least one of the substrates is a biodisintegrable polymer foil. At least 60% by weight of the polyurethane is composed of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxycarboxylic acids and diaminocarboxylic acids.

Improved coating composition for wind turbine blades

The present application discloses a wind turbine blade having on the outer surface thereof a polyurethane-based coating including a polyurethane binder prepared from polyol(s) having an average functionality of ≧2.0 and <8.0; at least 50% (w/w) of the polyols have aliphatic polyester segments included therein and have a Mw of 300-3,000 g/mol; and polyisocyanate(s) having an average functionality of <3.0; at least 50% (w/w) of the polyisocyanate(s) are selected from: (i) polyisocyanates having aliphatic polyester segments included therein, and having a molecular weight of 500-3,000 g/mol and a functionality of ≧2.0 and <3.0; (ii) polyisocyanates of the allophanate type having a Mw of 250-2,000 g/mol and a functionality of ≧2.0 and <3.0; and (iii) polyisocyanates of the uretdion type having a Mw of 250-2,000 g/mol and a functionality of ≧2.0 and <3.0. The application also discloses corresponding coating compositions and a method for coating a substrate.

Catalysis of epoxy resin formulations having sparingly soluble catalysts

The present invention relates to epoxy resin formulations having a specific sparingly soluble catalyst mixture for enhancing reactivity.

Two component polyurethane coating compositions comprising isocyanurate compositions from bis(isocyanatomethyl) cyclohexane and from aliphatic diisocyanates

The present invention provides two-component polyurethane compositions comprising, as one component, polyisocyanate compositions of the isocyanurate of one or more bis(isocyanatomethyl)cyclohexane or, preferably, a mixture of two or more of these, and of the isocyanurate of hexamethylene diisocyanate (HDI trimer), and, as the other component, a mix of a soft polyol having a hydroxyl functionality of from 2.5 to 5.0 and a molecular weight of from 500 to 3,000, and a hard polyol. Such compositions provide coatings, especially clear topcoats, which exhibit excellent scratch and mar and solvent resistance in addition to a good balance of hardness and flexibility without the need for increasing the volatile organic content (VOC) of the compositions. Also provided are compositions of a polyisocyanate compositions of the isocyanurate of one or more bis(isocyanatomethyl)cyclohexane with soft polyol which have lower VOCs.

Thermally stable biuret and isocyanurate based surface modifying macromolecules and uses thereof

The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

Photopolymer formulation having different writing comonomers

The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photo initiators, comprising a combination of at least two different writing monomers. The invention further relates to the use of the photopolymer formulation for producing optical elements, in particular for producing holographic elements and images, to a method for producing the photopolymer formulation and to a method for illuminating holographic media made of the photopolymer formulation.

Cationic blocked polyisocyanate and aqueous composition comprising the same

[Problem] There are provided a blocked polyisocyanate capable of imparting long-term water resistance and water repellency to a base material, and excellent in low-temperature curability and storage stability, and an aqueous composition containing the same. [Solution] The blocked polyisocyanate has both of a blocked isocyanate group blocked with a pyrazole compound and a cationic group neutralized with an anion, in one molecule thereof.

Composition containing specific carbamate type compounds suitable for producing polyurethane foams

Compositions suitable for producing polyurethane foams which include at least an isocyanate component, a polyol component, a catalyst catalyzing formation of a urethane or isocyanurate bond, and at least one compound containing at least one structural element of formula (I)

Golf ball

An object of the present invention is to provide a golf ball which is excellent in abrasion-resistance and durability. The golf ball of the present invention comprises a cover using a cover composition containing thermoplastic polyurethane (A) and a polyisocyanate mixture (B) in which a urethane prepolymer (b-1a) having at least two isocyanate groups or a polyisocyanate (b-1b) having at least three isocyanate groups is dispersed in a thermoplastic resin (b-2) which does not substantially react with the isocyanate groups.

Polishing pad, manufacturing method therefor, and method for manufacturing a semiconductor device

A polishing pad having a polishing layer comprising a thermoset polyurethane foam, wherein the thermoset polyurethane foam contains, as raw material components, an isocyanate component, and active-hydrogen-containing compounds, and the active-hydrogen-containing compounds comprise one or more polyol compounds (each) having two or more functional groups, and a monool compound having one functional group.

Multilayer adhesive sheet and method for manufacturing electronic component

Provided is a multilayer adhesive sheet which enables easy separation between an adhesive layer and a die attach film during the pick-up even in cases where an acrylate ester copolymer is used in the die attach film, thereby making the pick-up work of semiconductor chips after the dicing easy. The multilayer adhesive sheet comprises a base film, an adhesive layer that is disposed on one surface of the base film, and a die attach film that is disposed on an exposed surface of the adhesive layer. The adhesive that constitutes the adhesive layer contains: (A) a (meth)acrylate ester copolymer; (B) an ultraviolet polymerizable compound; (C) a multifunctional isocyanate curing agent; (D) a photopolymerization initiator; and (E) a silicone polymer.

Process for the Preparation of Multifunctional Polycarbodiimides Which are Used as Crosslinking Agents

A process for the preparation of multifunctional polycarbodiimides, which are used as crosslinking agents, in which the polycarbodiimide is prepared by reacting mono- and polyisocyanates in the presence of a mono- or polyisocyanate that contains one or multiple additional reactive functional groups and in the presence of a carbodiimide catalyst, and thereafter terminating or chain extending the polycarbodiimide chain. Between 0 and 10% of an organic solvent and/or between 0 and 30% of a plasticizer and/or between 0 and 30% of a surface active component is added to the product during, before or after the polycarbodiimide forming reaction and/or the capping reaction and/or the chain extending reaction. Further, the invention relates to a coating mixture in which the polycarbodiimide is used as crosslinking agent and to the cured material obtained with the coating mixture. 1. A process for the preparation of water-dispersible multifunctional polycarbodiimides to be used as crosslinking agents , comprising:A. the reaction of a mono- and/or polyisocyanate at 80-180° C. in the presence of 0.05-5 weight percentage of a carbodiimide catalyst, in which a polycarbodiimide or an isocyanate functional polycarbodiimide is formed with a mean value of 1-10 carbodiimide functions;B. terminating and/or chain extending the isocyanate functional polycarbodiimide chain, during or after the formation of the polycarbodiimide chain by the addition of 0.05 to 1.0 equivalent, regarding to the isocyanate functions that are not consumed in the formation of the polycarbodiimide chain, of a compound containing a hydrophilic group and one or multiple amine and/or hydroxyl functions, together with, prior to, or followed by capping of the remaining isocyanate functions with a compound containing one or multiple amine and/or hydroxyl functions, in which the compound containing one or multiple amine and/or hydroxyl functions can also contain an additional functional group,wherein step A 0.5-30 ...

Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making The Same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.

Hybrid polyester fluorocarbon powder coating composition and process for manufacture thereof

Hybrid polyester-fluorocarbon powder coating composition and manufacture thereof are provided. These powder coating compositions are manufactured in a process comprising the steps of:—Preparation of a polyester powder coating composition A, comprising a polyester resin and a curing agent for said polyester resin;—Preparation of a fluorocarbon powder coating composition B, comprising a fluorocarbon resin and a curing agent for said fluorocarbon resin; and—Dry blending said polyester powder coating composition A and fluorocarbon powder coating composition B, wherein the weight ratio of polyester powder coating composition A to fluorocarbon powder coating composition B is in the range of 70:30 to 30:70.

Two-part polyurethane adhesive for bonding fiber-reinforced plastics

A two-part polyurethane adhesive system includes a resin component A and a curative B. The resin component A includes a monomeric polyisocyanate and a prepolymer. The curative B includes a of ether polyol having a molecular weight of from 3000 to 20,000 and another polyol having 4-8 hydroxyl groups and a molecular weight of from 200 to 1000. The system includes a tin (IV) catalyst, which is contained in the resin component, and a blocked aza-type catalyst, which is contained in the curative. The system has excellent shelf stability, gives an excellent open time at ambient temperatures, and cures rapidly when heated to 65° C. or higher.

Process for thermally stable oleophobic low adhesion coating for inkjet printhead front face

A coating for an ink jet printhead front face, wherein the coating comprises an oleophobic low adhesion coating having high thermal stability as indicated by less than about 15 percent weight loss when heated to up to 300° C., and wherein a drop of ultra-violet (UV) gel ink or a drop of solid ink exhibits a contact angle of greater than about 50° and sliding angle of less than about 30° with a surface of the coating, wherein the coating maintains the contact angle and sliding angle after the coating has been exposed to a temperature of at least 260° C. for at least 30 minutes.

Thermosetting polyester coating compositions containing tetramethyl cyclobutanediol

Disclosed are polyester resins and solvent borne thermosetting coating compositions that include these resins in combination with at least one crosslinker. The polyester resins contain 2,2,4,4-tetramethyl-1,3-cyclobutanediol and exhibit a combination of good solubility in organic solvents and high hardness with good flexibility in a coating composition.

Pentamethylenediisocyanate, method for producing pentamethylenediisocyanate, polyisocyanate composition, polyurethane resin, and polyurea resin

A Pentamethylene diisocyanate is obtained by phosgenating pentamethylenediamine or its salt obtained by a biochemical method, and contains 5 to 400 ppm of a compound represented by the general formula (1) below and a compound represented by the general formula (2) below in total:

Producing foams having improved properties

The present invention relates to a composition for producing a rigid polyurethane foam comprising at least one polyol having a molecular weight of not less than 1700 g/mol and at least one blowing agent as component A, and at least one polyisocyanate as component B, wherein the at least one polyisocyanate B comprises from 11 to 39.5 wt % of a polyisocyanate prepolymer, based on a polyether polyol having an OH number of at least 100 mg KOH/g, to a rigid polyurethane foam obtainable by reacting this composition, to a process for producing such a rigid polyurethane foam, to the use of such a rigid polyurethane foam for insulation, especially for pipe insulation and also to a process for producing an insulated pipe.

Pressure-sensitive adhesive sheet and use thereof

The present invention provides a PSA sheet combining higher levels of antistaticity, anchoring and less contaminating nature. The PSA sheet comprises a substrate film formed from a resin material, a pressure-sensitive adhesive layer provided on a first face thereof, and an antistatic layer provided between the first face and the pressure-sensitive adhesive layer. The antistatic layer comprises an antistatic ingredient ASu. The pressure-sensitive adhesive layer comprises an acrylic polymer as a base polymer, and an ionic compound as an antistatic ingredient ASp.

Rheology modifier

The present invention relates to a composition comprising a hydrophobically modified alkylene oxide polyurethane characterized by having a M w of from 50,000 to about 150,000 Daltons and a polydispersity of 2.5 to about 5.0. The present invention further relates to a multi-step process for the preparation of the hydrophobically modified polymer.

Two-Component, Water-Based Lamination Adhesive and Use of the Same to Bond Substrates and Foams

A water comprising, two component polyurethane dispersion adhesive comprising an anionic polyester polyurethane resin and a solvent-free liquid aliphatic polyisocyanate cross-linker. The dispersion can be reactivated one or more times for edge bonding a flexible sheet material onto a substrate having a main surface, a peripheral surface and an edge connecting the main surface and the peripheral surface.

One-Pack Moisture-Curing Composition

A one-pack moisture-curing composition of the present technology contains a preliminary composition, an adhesiveness-imparting agent containing a compound (A) and/or a compound (B), a first catalyst containing a compound (C) and/or dibutyltin bis(pentadione), and a second catalyst containing a dimorpholinodiethylether.

METHOD FOR MODIFYING AT LEAST PENTAMETHYLENE DIISOCYANATE BY MEANS OF SPIROCYCLIC AMMONIUM SALTS AS CATALYST

The invention relates to a method for modifying isocyanates, in which at least pentamethylene diisocyanate is oligomerized in the presence of at least one catalyst, the catalyst comprising at least one spirocyclic ammonium salt having a cation of formula I as catalyst for the isocyanate modification, 2: The method as claimed in claim 1 , characterized in that X and/or Y are each independently optionally substituted C-C-alkylene chains and are especially of linear structure.3: The method as claimed in claim 1 , characterized in that the anion of the spirocyclic ammonium salt is selected from hydroxide claim 1 , alkanoate claim 1 , carboxylate claim 1 , heterocycles having at least one negatively charged nitrogen atom in the ring claim 1 , especially azolate claim 1 , imidazolate claim 1 , triazolate or tetrazolate claim 1 , fluoride claim 1 , hydrogendifluoride and mixtures of these.4: The method as claimed in claim 1 , characterized in that the oligomerization is conducted in the presence of a solvent and/or additive.5: The method as claimed in claim 1 , characterized in that claim 1 , in addition to pentamethylene diisocyanate claim 1 , at least one monomeric organic isocyanate is also used selected from aliphatic diisocyanates claim 1 , especially from hexamethylene diisocyanate (HDI) claim 1 , 2-methylpentane 1 claim 1 ,5-diisocyanate claim 1 , 2 claim 1 ,4 claim 1 ,4-trimethylhexane 1 claim 1 ,6-diisocyanate claim 1 , 2 claim 1 ,2 claim 1 ,4-trimethylhexane 1 claim 1 ,6-diisocyanate claim 1 , 4-isocyanatomethyloctane 1 claim 1 ,8-diisocyanate claim 1 , 3(4)-isocyanatomethyl-1-methylcyclohexyl isocyanate (IMCI) claim 1 , isophorone diisocyanate (IPDI) claim 1 , 1 claim 1 ,3- and 1 claim 1 ,4-bis(isocyanatomethyl)benzene (XDI) claim 1 , 1 claim 1 ,3- and 1 claim 1 ,4-bis(isocyanatomethyl)cyclohexane (H6XDI) and mixtures of these.6: The method as claimed in claim 1 , characterized in that only pentamethylene diisocyanate is used as isocyanate for the ...

OMNIPHOBIC POLYURETHANE COMPOSITIONS, RELATED ARTICLES, AND RELATED METHODS

The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, first urethane groups linking the first and third backbone segments, and second urethane groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane reaction products of polyisocyanate(s), hydroxy-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch-resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods. 1. A thermoset omniphobic composition comprising: (i) first backbone segments,', '(ii) second backbone segments,', '(iii) third backbone segments,', '(iv) first urethane groups linking the first backbone segments and the third backbone segments, and', '(v) second urethane groups linking the first backbone segments and the second backbone segments;, 'a thermoset polymer comprising a crosslinked backbone, the crosslinked backbone comprising the first backbone segments have a structure corresponding to a urethane reaction product from at least one polyisocyanate,', {'sub': 'g', 'the second backbone segments have a structure corresponding to a urethane reaction product from at least one hydroxy-functional hydrophobic polymer having a glass transition temperature (T) of 70° C. or less,'}, 'the third backbone segments have a structure corresponding to a urethane reaction product from at least one polyol,', 'the first urethane groups have a ...

HEAT-CURING EPOXY RESIN COMPOSITION CONTAINING NON-AROMATIC UREAS AS ACCELERATOR

Heat-curing epoxy resin compositions are characterized by high impact strength, good storage stability, and a low curing temperature. The epoxy resin compositions are suitable for use as a construction shell adhesive and for producing structural foams. They can already be cured in so-called bottom-baking conditions. Furthermore, it has been found that the use of an accelerator of the formula (Ia) or (Ib) results in an increase of the impact strength of heat-curing epoxy resin compositions. 2. The method of claim 1 , wherein n is 1 or 2.3. The method of claim 1 , wherein Ris H and Rand Rare each a methyl claim 1 , ethyl or propyl group.4. The method of claim 1 , wherein the hardener B is selected from the group consisting of diaminodiphenol sulfone claim 1 , adipic dihydrazide claim 1 , trimellitic anhydride derivatives claim 1 , novolaks claim 1 , and dicyandiamide.5. The method of claim 1 , wherein the heat-curing epoxy resin composition is free from organic carboxylic acids.6. The method of claim 1 , wherein the toughness improver D is selected from the group consisting of blocked polyurethane polymers claim 1 , liquid rubbers claim 1 , epoxy resin-modified liquid rubbers claim 1 , and core-shell polymers.7. The method of claim 1 , wherein the toughness improver D is a liquid rubber which is an acrylonitrile/butadiene copolymer terminated with carboxyl groups or (meth)acrylate groups or epoxide groups claim 1 , or is a derivative thereof.10. The method of claim 8 , wherein m is other than 0.11. The method of claim 1 , wherein the epoxy resin composition comprises at least one chemical blowing agent.12. The method of claim 1 , wherein the at least one reactive diluent G is selected from the group consisting of butanol glycidyl ether claim 1 , hexanol glycidyl ether claim 1 , 2-ethylhexanol ether claim 1 , allyl glycidyl ether claim 1 , tetrahydrofurfuryl and furfuryl glycidyl ethers claim 1 , trimethoxysilyl glycidyl ether claim 1 , ethylene glycol glycidyl ether ...

Functionalized (poly)alkoxylated (per)fluoropolyether polymers

The present invention relates to novel derivatives of (poly)alkoxylated (per)fluoropolyethers, also referred to as PFPE-PAGs, comprising unsaturated end groups bearing acrylate, allylic or vinylic moieties.

Semicarbazide composition, water-based coating composition, coating film, article, and method for producing semicarbazide composition

A semicarbazide composition contains a semicarbazide compound (A1) derived from a hydrazine and an isocyanate compound (a1) having an isocyanate group, and a semicarbazide compound (B1) derived from a hydrazine and an isocyanate compound (b1) having an isocyanate group and having a different structure from the isocyanate compound (a1), wherein the absolute value of the difference in the solubility parameters of the isocyanate compound (a1) and the isocyanate compound (b1) is at least 0.15 but not more than 2.10. A method for producing a semicarbazide composition includes, in sequence, a step 2-1 of reacting a hydrazine and an isocyanate compound (a2) having at least one cyclic structure within the molecule to obtain a semicarbazide compound (A2), and a step 2-2 of reacting a hydrazine and an isocyanate compound (b2) not having a cyclic structure within the molecule to obtain a semicarbazide compound (B2).

Urethane resin composition, surface treatment agent, and article

The present invention provides a urethane resin composition including a urethane resin (A), an olefin resin (B), water (C), and a carbodiimide compound (D) having a carbodiimide equivalent of 340 or more. Also, the present invention provides a surface treatment agent including the urethane resin composition described above. Further, present invention provides an article including a layer formed of the surface treatment agent. The content of urethane bond in the urethane resin (A) is preferably within a range of 980 to 4,000 mmol/kg. The content of urea bond in the urethane resin (A) is preferably within a range of 315 to 850 mmol/kg.

METHOD FOR PRODUCING A COMPOSITION COMPRISING POLYCARBODIIMIDE HAVING IMPROVED STORAGE STABILITY

A method for producing a composition comprising polycarbodiimide, comprising the step of the reaction of a reaction mixture which contains an aromatic polyisocyanate and a carbodiimidising catalyst, wherein, before the reaction, the aromatic polyisocyanate is treated at a temperature of ≧80° C. to ≦150° C. and a pressure of ≧1 mbar to ≦500 mbar by passing through an inert gas and/or during the reaction, the reaction mixture is treated at a temperature of ≧80° C. to ≦150° C. and a pressure of ≧1 mbar to ≦500 mbar by passing through an inert gas and wherein the content of hydrolysable chlorine in the reaction mixture is ≦10 ppm. 1. A process for producing a composition comprising polycarbodiimides , which comprises the step of reacting a reaction mixture comprising an aromatic polyisocyanate and a carbodiimidization catalyst ,whereinthe aromatic polyisocyanate is treated by passing an inert gas through it at a temperature of from ≧80° C. to ≦150° C. and a pressure of from ≧1 mbar to ≦500 mbar before the reaction,and/orthe reaction mixture is treated by passing an inert gas through it at a temperature of from ≧80° C. to ≦150° C. and a pressure of from ≧1 mbar to ≦500 mbar during the reaction,with, in addition, the content of hydrolyzable chlorine in the reaction mixture being ≦10 ppm.2. The process of claim 1 , wherein the content of the carbodiimidization catalyst in the reaction mixture is ≦5 ppm.3. The process of wherein the aromatic polyisocyanate is diphenylmethane diisocyanate.4. The process of claim 1 , wherein the carbodiimidization catalyst is a phospholine oxide.5. The process of claim 1 , wherein the reaction is carried out in the absence of an acid scavenger.6. The process of claim 1 , wherein a stopper is added to the composition obtained after the end of the reaction of the reaction mixture.7. The process as claimed in claim 6 , wherein the stopper comprises trifluoromethanesulfonic ester and the trifluoromethane sulfonic ester is added in an amount of ...

CYCLIC DYNAMIC POLYUREAS FOR POLYMERIC UREA PROCESSING

The present invention relates to a one-component processing method and system for preparing polyurea materials. This method and system involves a polymerization process using cyclic oligomeric polyurea precursors. These cyclic oligomeric precursors have dynamic urea bonds such as hindered urea bonds (HUBs). These cyclic oligomeric precursors exhibit dynamic properties to reversibly dissociate yielding isocyanate and amine components which polymerize to yield the polyureas, such as linear, branched or cross-linked polyureas. This method and system has advantages over conventional methods that utilize two-component systems. Such two-component systems require the segregation of the isocyanate and amine components to prevent premature or too rapid polymerization. The resulting polyureas are useful for a variety of applications including coatings. 2. A cyclic oligomer or polymer according to corresponding to formula (Ia).3. A cyclic oligomer or polymer according to corresponding to formula (Ib).4. A cyclic oligomer or polymer according to any of to wherein R claim 1 , R claim 1 , and Rare each methyl.6. A cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 500.7. A cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 50.8. A cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 20.9. A cyclic oligomer or polymer according to any of to wherein x is an integer about 2 to about 8.11. A hyperbranched cyclic oligomer or polymer according to corresponding to formula (IIa).12. A hyperbranched cyclic oligomer or polymer according to corresponding to formula (IIb).13. A hyperbranched cyclic oligomer or polymer according to any of to wherein R claim 10 , R claim 10 , and Rare each methyl.14. A hyperbranched cyclic oligomer or polymer according to any of to wherein x is an integer from about 2 to about 500.15. A hyperbranched cyclic oligomer or polymer ...

POLYURETHANE POWDER COATING MATERIAL

The invention relates to a polyurethane powder coating material, to the use of such a polyurethane powder coating material, to a method for producing a coating, and to coated substrates. 2. The powder coating material according to claim 1 , wherein component A) comprises at least one polyester which contains hydroxyl groups and has an OH number of 25 to 200 and a number-average molecular weight of 1000 to 5000.3. The powder coating material according to claim 1 , wherein component A) comprises at least one polyester which contains hydroxyl groups claim 1 , has a softening temperature (Tg) within the temperature range from 40 to 120° C. and/or is semicrystalline with a melting point in the range from 40 to 130° C.4. The powder coating material according to claim 1 , wherein component C) comprises at least one polyaddition compound which contains uretdione groups and optionally free isocyanate groups and which is based on one selected from the group consisting of pentamethylene 1 claim 1 ,5-diisocyanate (PDI) claim 1 , hexamethylene 1 claim 1 ,6-diisocyanate (HDI) claim 1 , 1-isocyanato-3 claim 1 ,3 claim 1 ,5-trimethyl-5-isocyanatomethylcyclohexane (isophorone diisocyanate claim 1 , IPDI) claim 1 , 4 claim 1 ,4′- and/or 4 claim 1 ,2′-diisocyanatodicyclohexylmethane (H-MDI) claim 1 , and mixtures of these diisocyanates.5. The powder coating material according to claim 1 , wherein component C) comprises at least one polyaddition compound which contains uretdione groups and optionally free isocyanate groups and which has a minimum carboxylic ester (calculated as CO; molecular weight=44) and/or carbonate (calculated as CO; molecular weight=60) group content of 1 wt %.6. The powder coating material according to claim 1 , wherein curing catalyst D) comprises salt-like compounds comprising a structural element of the general formulae (I) or (II) in which{'sup': 1', '2, 'Rand Rindependently of one another are identical or different radicals which denote saturated or ...

POLYASPARTIC COATING COMPOSITION, COATING FILM, AND COATED ARTICLE

The present invention provides a polyaspartic coating composition containing (A) an aspartic acid ester compound represented by the following formula (I) 2. The polyaspartic coating composition according to claim 1 , wherein the polyol further contains a polyoxyalkylene polyol.3. The polyaspartic coating composition according to claim 2 , wherein a ratio of the polyoxyalkylene polyol to a total amount of the polyoxyalkylene polyol and the polycaprolactone polyol is 80% by mass or less.4. The polyaspartic coating composition according to claim 1 , wherein an equivalent ratio between the amino group of (A) the aspartic acid ester compound and the isocyanate group of (B) the polyisocyanate component is amino group:isocyanate group=10:1 to 1:10.6. The polyaspartic coating composition according to claim 5 , wherein a number-average molecular weight of (B′) the polyisocyanate component is 700 to 3500.7. The polyaspartic coating composition according to claim 5 , wherein an equivalent ratio between the amino group of (A) the aspartic acid ester compound and the isocyanate group of (B′) the polyisocyanate component is amino group:isocyanate group=10:1 to 1:10.8. The polyaspartic coating composition according to claim 1 , wherein the diisocyanate monomer contains a hexamethylene diisocyanate.9. A coating film formed from the polyaspartic coating composition defined in .10. A coated article comprising the coating film defined in .11. Use of the polyaspartic coating composition defined in for heavy-duty anticorrosion coating.12. A method for preventing corrosion of a structure claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'coating a structure with the polyaspartic coating composition defined in .'} The present invention relates to a polyaspartic coating composition, a coating film and a coated article.Priority is claimed on Japanese Patent Application No. 2017-043141, filed Mar. 7, 2017 and Japanese Patent Application No. 2017-169741, filed Sep. 4, ...

COMPOSITIONS CONTAINING AROMATIC ISOCYANATE FUNCTIONAL COMPONENTS AND ALIPHATIC AROMATICS ISOCYANATE FUNCTIONAL COMPONENTS HAVING IMPROVED CURE SPEED

A composition comprising in Part 1: a) one or more isocyanate functional components having aromatic isocyanate functional groups; and b) one or more isocyanate functional components having aliphatic isocyanate functional groups; and in Part 2 c) one or more compounds having more than one isocyanate reactive groups: wherein the ratio of aromatic isocyanate functional groups to isocyanate reactive groups is from 0.95 to 1.05 and the ratio of aromatic isocyanate functional groups and aliphatic isocyanate functional groups (total isocyanate groups) to isocyanate reactive groups is from 1.10 to 1.30. 1. A composition comprisingin Part 1a) one or more isocyanate functional components having aromatic isocyanate functional groups which comprises one or more prepolymers having aromatic isocyanate functional groups;b) one or more isocyanate functional components aliphatic isocyanate functional groups;in Part 2c) one or more compounds having more than one isocyanate reactive groupsd) one or more fillers in one or both parts comprising one or more clays; ande) one or more catalysts which catalyze the reaction of isocyanate functional groups with isocyanate reactive groups:wherein the ratio of aromatic isocyanate functional groups to isocyanate reactive groups is from 0.96 to 1.05 and the ratio of aromatic isocyanate functional groups and aliphatic isocyanate functional groups to isocyanate reactive groups is from 1.10 to 1.30.24.-. (canceled)5. A composition according to wherein the one or more isocyanate functional components having aromatic isocyanate functional groups comprises one or more polyisocyanates having aromatic isocyanate functional groups and one or more isocyanate functional group containing prepolymers having in their backbones the residue of one or more chains of one or more polypropylene oxides claim 1 , copolymers of ethylene oxide and propylene oxide or mixtures thereof wherein equivalent weight of the chains are predominantly greater than about 780 and ...

Polyurethanes and method for making polyurethanes

Polyurethanes are made in a one-shot process from one or more polyols having a hydroxyl equivalent weight of at least 350, wherein at least 50% of the weight of iii) is a hydroxyl-containing polymer of propylene oxide, the hydroxyl-containing polymer of propylene oxide having a hydroxyl equivalent weight of at least 350, an average of 1.8 to 3 hydroxyl groups per molecule of which hydroxyl groups 40 to 70% are primary hydroxyl groups, an oxyethylene content of no greater than 10% by weight based on the weight of the polymer and a polydispersity of 1.175 or less. The polyurethanes exhibit excellent mechanical properties, are highly hygroscopic and cured rapidly.

POLYURETHANE CAST ELASTOMERS BASED ON POLY(BUTYLENE OXIDE) POLYOLS AND METHOD FOR MAKING POLYURETHANE CAST ELASTOMERS

Hydroxyl-containing copolymers of butylene oxide and ethylene oxide having a hydroxyl equivalent weight of at least 150, an average of 1.8 to 6 hydroxyl groups per molecule of which hydroxyl groups at least 70% are primary hydroxyl groups and an oxyethylene content of no greater than 10% by weight based on the weight of the copolymer, are useful for making polyurethanes. These polyols are characterized by high reactivity and fast curing times. Polyurethanes made using these polyols have excellent mechanical properties and are highly hydrophobic. 1. A hydroxyl-containing copolymer of butylene oxide and ethylene oxide , the copolymer of butylene oxide and ethylene oxide having a hydroxyl equivalent weight of at least 150 , an average of 1.8 to 6 hydroxyl groups per molecule of which hydroxyl groups at least 70% are primary hydroxyl groups , and an oxyethylene content of no greater than 10% by weight based on the weight of the copolymer , which copolymer is made by polymerizing butylene oxide and ethylene oxide in the presence of a Lewis acid catalyst having the general formula{'br': None, 'sup': 1', '2', '3', '4, 'sub': 1', '1', '1', '0 or 1, 'M(R)(R)(R)(R)'}{'sup': 1', '2', '3', '1', '2', '3', '4, 'wherein M is boron, aluminum, indium, bismuth or erbium, Ris a fluoroalkyl-substituted phenyl group and Rand Reach are a fluoroalkyl-substituted phenyl group, a fluoro-substituted phenyl group, a chloro-substituted phenyl group or a fluoro- and chloro-substituted phenyl group, provided that R, Rand Rare not all the same, and Ris a functional group or functional polymer group.'}2. The hydroxyl-containing copolymer of which has a hydroxyl equivalent weight of 400 to 2000 claim 1 , an average of 2 to 4 hydroxyl groups per molecule and a polydispersity of 1 to 1.175.3. The hydroxyl-containing copolymer of which contains 2 to 10% by weight oxyethylene units and the oxyethylene units are present as single units or blocks at the termini of chains of the hydroxyl-containing ...

Electrode with enhanced cycle life and lithium secondary battery including the same

The present invention relates to an electrode for a secondary battery including an electrode current collector, an electrode active material combination layer formed on one or both sides of the electrode current collector, and a polyurethane-based coating layer formed on the electrode active material combination layer, and a lithium secondary battery including the same.

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND OPTICAL MATERIAL

A polymerizable composition for an optical material of the present invention includes polyisocyanate (a) including aliphatic polyisocyanate (a1) and a modified aliphatic polyisocyanate (a2), an episulfide (b), and a polythiol (c). 1. A polymerizable composition for an optical material including:polyisocyanate (a) including aliphatic polyisocyanate (a1) and a modified aliphatic polyisocyanate (a2);an episulfide (b); anda polythiol (c).2. The polymerizable composition for an optical material according to claim 1 ,wherein the modified aliphatic polyisocyanate (a2) is an isocyanurate of the aliphatic polyisocyanate.3. The polymerizable composition for an optical material according to claim 1 ,wherein the aliphatic polyisocyanate (a1) and/or the aliphatic polyisocyanate in the modified aliphatic polyisocyanate (a2) are obtained from plant-derived materials.5. The polymerizable composition for an optical material according to claim 1 ,wherein the episulfide (b) includes an episulfide obtained from plant-derived materials.6. The polymerizable composition for an optical material according to claim 1 ,wherein the aliphatic polyisocyanate (a1) and/or the aliphatic polyisocyanate in the modified aliphatic polyisocyanate (a2) is at least one selected from 1,5-pentamethylene diisocyanate, 1,6-hexamethylene diisocyanate, 1,7-heptamethylene diisocyanate, lysine diisocyanate, lysine triisocyanate, dimer acid diisocyanate, octamethylene diisocyanate, and decamethylene diisocyanate.7. The polymerizable composition for an optical material according to claim 1 ,wherein the polythiol (c) is at least one selected from 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8 or 4,7 or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakis mercaptoacetate, pentaerythritol tetrakis mercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis( ...

Method for Making Skinned Polyurethane Composites

Skinned composites contain a plasticized polymer skin layer adhered to a layer of a polyurethane. The polyurethane is made from a reaction mixture that contains specified amounts of a polyester polyol and an acidic material. The presence of both the polyester polyol and acid leads to significantly improved adhesion between the polyurethane and skin layer. The invention is particularly useful when the skin is highly plasticized.

Zinc (1-Methylimidazole)bis(2-Ethylhexanoate) Complex Catalyzed Coating Material Composition

Described are coating material compositions comprising an isocyanate group-containing component, a hydroxyl group-containing component, and a zinc (1-methylimidazole)bis(2-ethylhexanoate) complex. Also described is the use of a zinc (1-methylimidazole)bis(2-ethylhexanoate) complex as a catalyst system for the urethane reaction in coating material compositions.

Gel sealing corrosion prevention tape

A composition comprising a deformable tacky polyurethane polymer, which is the reaction product of: a polyisocyanate, a polyol and a mono-hydroxy tackifier; and one or more non-chromated corrosion inhibitors. In addition, compositions are provided comprising a deformable tacky polyurethane polymer, which is the reaction product of: a polyisocyanate, a polyol and a mono-hydroxy tackifier; one or more of: surface modified silica nanoparticles, glass bubbles and fiber filler particles; and one or more non-chromated corrosion inhibitors. In addition, a flexible gasketing tape is provided comprising a composition according to the present disclosure.

Transparent anti-icing coatings

Transparent, impact-resistant, anti-icing coatings are disclosed. In some variations, a transparent anti-icing coating comprises: a continuous matrix of a hardened material; asymmetric templates that inhibit wetting of water, wherein the asymmetric templates have a length scale from about 10-300 nanometers; porous voids surrounding the asymmetric templates, wherein the porous voids have a length scale from about 15-500 nanometers; and nanoparticles that inhibit heterogeneous nucleation of water, wherein the nanoparticles have an average size from about 5-50 nanometers. Disclosed coatings have transparencies of 90% or higher light transmission. These coatings utilize lightweight and environmentally benign materials that can be rapidly formed into coatings. A uniform distribution of particles and asymmetric templates throughout the coating allows it to be abraded, yet retain its anti-icing function as well as transparency. Therefore if the surface is damaged during use, freshly exposed surface is identical to that which was removed, for extended lifetime.

POLYISOCYANATE COMPOSITION, METHOD FOR PRODUCING THE SAME, COATING COMPOSITION, AQUEOUS COATING COMPOSITION, AND COATED SUBSTRATE

The present invention provides a polyisocyanate composition comprising a modified polyisocyanate obtained by a reaction between a polyisocyanate and a polyalkylene glycol alkyl ether having a specific structure. In the polyisocyanate composition, the average number of isocyanate functional groups is 1.8 or more and 4.0 or less, the moiety derived from the polyalkylene glycol alkyl ether in the modified polyisocyanate is contained in an amount of 10 mass % or more and 18 mass % or less based on the total amount of the polyisocyanate composition, and the polydispersity index of molecular weight distribution of the moiety derived from the polyalkylene glycol alkyl ether in the modified polyisocyanate is 1.05 or more and 2.00 or less. 2. The polyisocyanate composition according to claim 1 , wherein the polydispersity index of molecular weight distribution is 1.05 or more and 1.50 or less.3. The polyisocyanate composition according to claim 1 , wherein in the formula (1) claim 1 , Ris an ethylene group and the average of n is 5.0 or more and 15 or less.4. The polyisocyanate composition according to claim 1 , wherein the polyalkylene glycol alkyl ether comprises two or more polyalkylene glycol alkyl ethers represented by the formula (1) and differing in the average of n.5. The polyisocyanate composition according to claim 1 , further comprising a hindered phenolic compound.7. The method for producing a polyisocyanate composition according to claim 6 , wherein the polydispersity index of molecular weight distribution is 1.05 or more and 1.50 or less.8. The method for producing a polyisocyanate composition according to claim 6 , wherein in the formula (2) claim 6 , Ris an ethylene group and the average of n is 5.0 or more and 15 or less.9. The method for producing a polyisocyanate composition according to claim 6 , wherein the polyalkylene glycol alkyl ether comprises two or more polyalkylene glycol alkyl ethers represented by the formula (2) and differing in the average of ...

Hydroxy functional alkyl polyurea crosslinkers

A hydroxy functional alkyl polyurea is disclosed having the formula presented in claim 1, wherein R comprises an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine and having an Mn of 500 or greater; wherein each R 1 is independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one R 1 is a hydroxy functional alkyl having 2 or more carbons; and n is 2-6. Further disclosed is a coating comprising: a film-forming resin; and a hydroxy functional alkyl polyurea crosslinker having the formula presented in claim 4, wherein R 1 is a substituted or unsubstituted C 1 to C 36 alkyl group, an aromatic group, an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine having an Mn of 500 or greater, wherein each R 1 is independently a hydrogen, an alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one R1 is a hydroxy functional alkyl having 2 or more carbons; and n is 2-6, and when R 2 is a substituted or unsubstituted C 1 to C 36 alkyl group the film-forming resin comprises COOH functionality that reacts with the polyurea to form an ester linkage. Other hydroxy functional alkyl polyurea compounds, polymers made with the same, and compositions comprising the same are also disclosed as are substrates coated at least in part with or formed with any of the compositions described herein.

HYDROXY FUNCTIONAL ALKYL POLYUREA CONTAINING COMPOSITIONS

Compositions comprising hydroxy functional alkyl polyureas are disclosed. 2. The composition of claim 1 , wherein Rcomprises an isocyanurate moiety.3. The composition of claim 1 , wherein at least one Rcomprises a 2-hydroxyethyl or 2-hydroxypropyl group.5. The composition of claim 4 , wherein Rcomprises a substituted or unsubstituted C-Calkyl or aromatic group.6. The composition of claim 4 , wherein Rcomprises a substituted or unsubstituted Calkyl group.7. The composition of claim 4 , wherein Rcomprises a 2-hydroxyethyl or 2-hydroxypropyl group.8. The composition of claim 4 , wherein the composition is substantially formaldehyde free.9. The composition of claim 4 , wherein the film-forming resin is an acid functional polyester resin.10. The composition of claim 4 , wherein the crosslinker comprises hydroxy alkyl amide.11. The composition of claim 4 , wherein the composition is formulated as a sound damping composition.12. The composition of claim 4 , wherein the composition is formulated as a coating.13. The composition of claim 4 , further comprising a catalyst.14. The composition of claim 13 , wherein the catalyst comprises tin and/or titanium.15. The composition of claim 4 , wherein the Rgroups do not contain an ether linkage.16. A substrate coated at least in part with the composition of .17. The substrate of claim 16 , wherein the substrate comprises a package.18. The substrate of claim 16 , wherein the substrate comprises a metal can.19. The substrate of claim 16 , wherein the substrate comprises a vehicle.20. The substrate of claim 16 , wherein the substrate is rubber and/or plastic.21. The substrate of claim 16 , wherein the substrate comprises a metal sheet or coil.22. The composition of claim 12 , wherein the coating is a powder coating.24. A composition comprising the polymer of .25. The composition of claim 24 , wherein Rhas acid functionality to form a latex.26. The composition of claim 4 , wherein the film forming resin comprises a polyolefin ...

URETDIONE-CONTAINING POLYURETHANE-DISPERSIONS COMPRISING HYDROPHILIC GROUPS

The present invention relates to a specific uretdione prepolymer, and an aqueous curable composition based on the specific uretdione prepolymer. Furthermore, it pertains to a process for curing said aqueous curable composition, the cured article obtained by this process and additionally to the use of said aqueous composition for coatings, adhesives and/or sealants. 1. A uretdione prepolymer , which comprises at least one uretdione group , and which is obtained by reactingA1) at least one uretdione polyisocyanate having an isocyanate functionality of at least 2.0, wherein said uretdione polyisocyanate is obtained from at least one aliphatic polyisocyanate,withA2) at least one polyalkoxy ether derivative comprising at least two —OH groups, which are present on two different non neighboring atoms of the molecule and wherein at least one of the —OH groups is not a terminal —OH group, and{'sub': '2', 'A3) at least one reactant, which comprises at least one Zerewitinoff-active group and being different from A2 or which is HO,'}in the presence of at least one catalyst, to obtain the uretdione prepolymer, wherein the prepolymer has an acid number of at most 4 mg KOH/g.2. The uretdione prepolymer according to claim 1 , wherein in a first step claim 1 , the at least one uretdione polyisocyanate A1 is reacted claim 1 , with the at least one polyalkoxy ether derivative A2 and in a second step the polymer obtained in the first step is reacted with the at least one reactant A3.3. The uretdione prepolymer according to claim 1 , wherein components A1 to A3 are reacted in a one-step process.4. The uretdione prepolymer according to claim 1 , wherein in a first step claim 1 , the at least one uretdione polyisocyanate A1 is reacted with the at least one reactant A3 and in a second step the polymer obtained in the first step is reacted in a second step with the at least one polyalkoxy ether derivative A2.5. The uretdione prepolymer according to claim 1 , where-in said uretdione ...

AQUEOUS URETDIONE GROUP-CONTAINING COMPOSITIONS AND METHOD FOR PRODUCING SAME

The invention relates to aqueous uretdione group-containing compositions comprising or consisting of (A) at least one uretdione group-containing curing agent based on aliphatic, cycloaliphatic, aliphatic and/or aromatic polyisocyanates which do not contain chemically bonded hydrophilating groups; (B) at least one polyacrylate copolymer; (C) optionally solvents; and (D) optionally auxiliary agents and additives; wherein the quantity ratio of the components (A) and (B) is measured such that the molar ratio of the NCO groups of the curing agent (A), said groups being provided in the form of uretdione, to the NCO reactive groups of the polyacrylate copolymer (B) equals 3.0:0.5 to 0.5:3.0, and A and B are provided as a physical mixture. The invention additionally relates to a method for producing a polyurethane layer using the aqueous uretdione group-containing composition according to the invention, to the polyurethane layer obtained therefrom, and to a substrate which is coated with or adhered to the polyurethane layer. 1. An aqueous uretdione group-containing compositions comprising:(A) at least one uretdione group-containing curing agent based on one or more of aliphatic, cycloaliphatic, araliphatic, and aromatic polyisocyanates that contains no chemically-bonded hydrophilizing groups;(B) at least one polyacrylate copolymer;(C) optionally, solvents; and(D) optionally, auxiliaries and additives;wherein the quantitative ratio of the at least one uretdione group-containing curing agent (A) and the at least one polyacrylate copolymer (B) is such that the molar ratio of the NCO groups of the curing agent (A) present as uretdione to NCO-reactive groups of the polyacrylate copolymer (B) is 3.0:0.5 to 0.5:3.0, and wherein (A) and (B) are present as a mixture.2. The composition as claimed in claim 1 , wherein the at least one uretdione group-containing curing agent (A) was obtained by reacting a monomeric isocyanate comprising at least one monomeric isocyanate selected from ...

COMPOSITIONS, METHOD OF BONDING, AND BONDED ASSEMBLY

A two-part curable composition comprises a Part A and a Part B. Part A composition includes uretdione-containing compound having an average uretdione ring functionality of at least 1.2. Part B composition includes polythiol having an average sulfhydryl group functionality of at least 2. At least one of the Part A composition and the Part B composition may further comprise accelerator for addition of the polythiol to the uretdione-containing compound. The accelerator comprises a nonacidic amine curative. The amine curative does not comprise a substituted or unsubstituted amidine group. Cured compositions, methods of making them and articles including them are also disclosed. A two-part composition without accelerator is disclosed wherein the uretdione-containing compound has at least one pendant —CHNRgroups, wherein each Rindependently represents an alkyl group having from 1 to 8 carbon atoms, or two Rgroups taken together form an alkylene group having from 2 to 8 carbon atoms. 122-. (canceled)23. A two-part curable composition comprising:a Part A composition comprising at least one uretdione-containing compound, the at least one uretdione-containing compound having an average uretdione ring functionality of at least 1.2, and wherein the at least one uretdione-containing compound has an average isocyanate functionality of less than 0.01;a Part B composition comprising at least one thiol-containing compound, the at least one thiol-containing compound having an average sulfhydryl group functionality of at least 2; and{'sup': 1', '2', '3, 'claim-text': [{'sup': '1', 'Rrepresents H or a monovalent organic group having from 1 to 18 carbon atoms;'}, {'sup': '2', 'Rrepresents H or a monovalent organic group having from 1 to 18 carbon atoms;'}, {'sup': '3', 'Rrepresents a monovalent organic group having from 2 to 18 carbon atoms; or'}, {'sup': 2', '3, 'Rand Rtaken together represent a divalent organic group having from 2 to 18 carbon atoms, or'}, {'sup': 1', '2', '3, 'R, R, ...

Composite semifinished products and mouldings produced therefrom and directly produced mouldings based on hydroxy-functionalized (meth)acrylates and uretdiones which are crosslinked by means of radiation to give thermosets

The invention relates to a process for producing storage-stable polyurethane prepregs and to mouldings (composite components) produced therefrom. The prepregs and, respectively, components are produced by mixing (meth)acrylate monomers, (meth)acrylate polymers, hydroxy-functionalised (meth)acrylate monomers and/or hydroxy-functionalised (meth)acrylate polymers with uretdione materials. Photoinitiators can also optionally be added. This mixture or solution is applied by known processes to fibre material, e.g. carbon fibres, glass fibres or polymer fibres, and is polymerised with the aid of radiation or of plasma methods. Polymerisation, e.g. at room temperature or at up to 80° C., gives thermoplastics or thermoplastic prepregs, and these can subsequently also be subjected to forming processes. The hydroxy-functionalised (meth)acrylate constituents can then be crosslinked with the uretdiones already present within the system, by use of elevated temperature. It is thus possible to produce dimensionally stable thermosets or dimensionally stable crosslinked composite components.

Adhesive sheet, manufacturing method thereof, and layered body

An adhesive sheet, the adhesive sheet having an adhesive composition layer, the adhesive composition layer being formed using a composition including: a polythiol compound; a (meth)acrylic compound having a plurality of at least one of an acryloyl group or a methacryloyl group; a radical generator; and a Michael addition catalyst, a ratio (Ac/SH) of a total molar number (Ac) of the at least one of an acryloyl group or a methacryloyl group contained in the (meth)acrylic compound to a total molar number (SH) of thiol groups contained in the polythiol compound being from 0.25 to 0.80.

Polysiloxane modified polyisocyanates for use in coatings

The invention relates to an isocyanate-terminated polysiloxane material that can preferably be used as a curing agent, hardener or co-reactant in coatings. The invention further relates to a method of manufacturing the isocyanate-terminated polysiloxane material by partially hydrolyzing a methoxy-functional polysiloxane such as a methyl phenyl polysiloxane, and reacting it with a polyisocyanate to yield the isocyanate-terminated polysiloxane hardener. The hardener can preferably be used with any isocyanate-reactive functional group of another component to form coating systems, including acrylics, polyesters, epoxies and urethanes.

FLUORINATED COMPOUND-CONTAINING COMPOSITION, METHOD FOR ITS PRODUCTION, COATING LIQUID, HARD COAT LAYER-FORMING COMPOSITION AND ARTICLE

To provide a fluorinated compound-containing composition which is capable of imparting excellent antifouling properties to an object (such as a hard coat layer) and which is excellent in compatibility and has foaming suppressed. This composition comprises the following fluorinated compound (A), the following compound (B) and a solvent (S1), wherein the content of the following fluorinated compound (A) in the composition is from 5 to 30 mass % to the composition, and the content of the following compound (B) is from 0.1 to 2 mass % to the composition, 1. A composition characterized by comprising the following fluorinated compound (A) , the following compound (B) and a solvent (S1) , wherein the content of the following fluorinated compound (A) in the composition is from 5 to 30 mass % to the composition , and the content of the following compound (B) is from 0.1 to 2 mass % to the composition ,Fluorinated compound (A): a fluorinated compound which is a compound having a portion derived from a compound (a) having a poly(oxyperfluoroalkylene) chain and an active hydrogen-containing group, a portion derived from a compound (b) having a polymerizable carbon-carbon double bond and an active hydrogen-containing group, and a portion derived from a polyisocyanate (c), and which has no isocyanate group,Compound (B): a compound having a polymerizable carbon-carbon double bond and an active hydrogen-containing group.2. The composition according to claim 1 , wherein at least part of said compound (B) is said compound (b).3. The composition according to claim 1 , wherein each of said compound (b) and said compound (B) other than the compound (b) is a compound having one hydroxy group.4. The composition according to claim 1 , wherein said compound (a) is a compound having one hydroxy group.5. A method for producing a composition as defined in claim 1 , which comprises reacting said compound (a) claim 1 , said compound (b) and said polyisocyanate (c) in said solvent (S1) claim 1 , ...

FLUORINATED COMPOUND, PHOTOCURABLE COMPOSITION, COATING LIQUID, HARD COAT LAYER-FORMING COMPOSITION AND ARTICLE

To provide a fluorinated compound capable of imparting excellent antifouling properties (oily ink repellency and fingerprint-stain removability) and abrasion resistance of the antifouling properties to an object (such as a hard coat layer). It is a reaction product of a compound (a1) having a poly(oxyperfluoroalkylene) chain and one active hydrogen-containing group, a compound (a2) having a poly(oxyperfluoroalkylene) chain and two active hydrogen-containing groups, a compound (b) having a polymerizable carbon-carbon double bond and an active hydrogen-containing group, and a polyisocyanate (c), wherein the proportion of the portion derived from the compound (a1) to the total (100 mass %) of the portion derived from the compound (a1) and the portion derived from the compound (a2) is from 60 to 99.9 mass %. 2. The fluorinated compound according to claim 1 , wherein the number average molecular weight of the compound (a1) is from 1 claim 1 ,000 to 6 claim 1 ,000 claim 1 , and the number average molecular weight of the compound (a2) is from 1 claim 1 ,000 to 6 claim 1 ,000.4. The fluorinated compound according to claim 3 , wherein each of said (CFO)and said (CFO)is {(CFO)(CFCFO)} (wherein n11 is an integer of at least 1 claim 3 , n12 is an integer of at least 1 claim 3 , n11+n12 is an integer of from 2 to 200 claim 3 , and the bonding order of n11 pieces of CFO and n12 pieces of CFCFO is not limited).5. The fluorinated compound according to claim 3 , wherein D-R—O—CH— is R—O—CHFCF—O—CH— (wherein Ris a Cperfluoroalkyl group terminated with CF).6. The fluorinated compound according to claim 3 , wherein the compound (a1) is a compound obtained by converting Eor Ein the compound (a2) to D.7. A method for producing a fluorinated compound claim 3 , characterized by reactinga compound (a1) having a poly(oxyperfluoroalkylene) chain and one active hydrogen-containing group,a compound (a2) having a poly(oxyperfluoroalkylene) chain and two active hydrogen-containing groups, in such ...

Improved low-temperature impact resistance in ptmeg-based polyurethane impact modifiers

An impact modifier, which is an isocyanate-terminated polymer, the isocyanate groups of which are partially or completely blocked by reaction with a blocking agent, wherein the isocyanate-terminated polymer is a reaction product of a) one or more polyols including polytetramethylene ether glycol in a fraction of at least 95 wt %, with respect to the total weight of the polyols, and b) two or more polyisocyanates, which include at least one diisocyanate and at least one polyisocyanate having an average isocyanate functionality of 2.5 or more, wherein the molar ratio of isocyanate groups of the one or more diisocyanates to isocyanate groups of the one or more polyisocyanates having an average isocyanate functionality of 2.5 or more lies in the range of 2 to 1 to 20 to 1. The impact modifier is suitable in one-component epoxide resin formulations, one-component epoxide resin glues, but also in two-component epoxide resin formulations.

URETHANE ADHESIVE COMPOSITION

An object of the present invention is to provide a urethane adhesive composition having excellent initial adhesiveness and excellent adhesion durability. The present invention is a urethane adhesive composition containing a urethane prepolymer (A) having an isocyanate group, an isocyanate compound (B) having an isocyanurate structure and an isocyanate group, and an adduct of a compound represented by Formula (X) below (in Formula (X), Rand Reach independently represent a hydrocarbon group) and a phenol compound. 2. The urethane adhesive composition according to claim 1 , wherein the adduct is a reaction product of one molecule of the compound represented by Formula (X) and one molecule of the phenol compound.3. The urethane adhesive composition according to claim 1 , wherein the isocyanate compound (B) comprises an isocyanurate of an aliphatic polyisocyanate.4. The urethane adhesive composition according to claim 1 , wherein the isocyanate compound (B) comprises an isocyanurate of pentamethylene diisocyanate.5. The urethane adhesive composition according to claim 1 , used for adhering a base material containing an olefin resin. The present invention relates to a urethane adhesive composition.In recent years, resin materials (e.g. olefin-based resins, and matrix resins of fiber reinforced plastic (FRP)) have been used for automobile bodies in place of steel plates from the perspective of weight reduction.Typically, adhesion between such a resin material and a different type of raw material (e.g. glass) has been performed by using a primer after the resin material has been subjected to flame treatment.However, since the primer contains a large amount of solvent, there has been a problem in that the environment is adversely affected.In response to such problems, the present applicant has proposed a two-part curable urethane adhesive composition that enhances adhesiveness to an adherend (especially, a resin material such as an olefin-based resin) without the use of a ...

Monobloc aerosol tube or can having a coating composition

A monobloc aerosol tube or can being coated on at least a portion of an internal surface thereof with a coating composition, the coating composition comprising a thermoset powder composition, wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE); wherein the thermoset powder composition comprises an acid functional polyester material and a crosslinker material operable to crosslink the acid functionality on the acid functional polyester material.

CARBODIIMIDE CURING FOR PACKAGING COATING COMPOSITIONS

Coated packages and methods for coating such packages is disclosed. The coating compositions comprise a carboxyl-containing polymer and a polycarbodiimide. 2. The coated package of in which the package is a food or beverage container.3. The coated package of in which the coating is applied to a food-contacting surface of the container.4. The coated package of any one of or in which the coating composition is applied to a can end.5. The coated package of any one of - in which the composition is an aqueous-based composition in which (a) and (b) are dispersed in aqueous medium.6. The coated package of any one of - in which the carboxyl-containing polymer comprises a carboxyl group-containing (meth)acrylic polymer or a carboxyl group-containing polyester polymer claim 2 , including mixtures thereof.7. The coated package of any one of - in which the calculated molar ratio of carboxyl groups to carbodiimide groups is from 0.5 to 5:1.9. The coated package of where Rcomprises a cycloaliphatic radical or an alkaryl radical.11. The coated package of any one of - in which E is a polyethylene moiety having a number average molecular weight of 96 to 10 claim 8 ,000.13. The coated package of any one of - in which the polycarbodiimide has a weight average molecular weight of 2600 to 12 claim 8 ,000.14. The coated package of any one of - in which the polycarbodiimide has a diimide equivalent weight of at least 600.16. The method of in which the package is a food or beverage container.17. The method of in which the coating composition is applied to the food-contacting surface of the container.18. The method of any one of or in which the coating composition is applied to a can end.19. The method of any one of - in which the coating composition is an aqueous-based composition in which (i) and (ii) are dispersed in aqueous medium.20. The method of any one of - in which the carboxyl-containing polymer comprises a carboxyl group-containing (meth)acrylic polymer or a carboxyl group- ...

TWO-PART CURABLE URETHANE-BASED COMPOSITION

A two-part curable urethane-based composition comprising a main agent (A); and a curing agent (B), wherein the main agent (A) contains a urethane prepolymer (a), an isocyanurate modified product of a polyisocyanate compound (b), and a silane coupling agent (c) in a specified ratio, the curing agent (B) contains a polyol (d) having a hydroxyl value of 50 to 500 mgKOH/g and an amine catalyst (e) in a specified amount, a mixing mass ratio of the main agent (A) to the curing agent (B) is 3:1 to 10:1, and an equivalent ratio of NCO group/OH group in the main agent (A) and the curing agent (B), respectively, is 1.0 to 5.0. 1. A two-part curable urethane-based composition comprising:a main agent (A); anda curing agent (B), whereinthe main agent (A) contains a urethane prepolymer (a), an isocyanurate modified product of a polyisocyanate compound (b), and a silane coupling agent (c); a content of the isocyanurate modified product of a polyisocyanate compound (b) is 0.5 to 3.0 parts by mass based on 100 parts by mass of the urethane prepolymer (a); a content of the silane coupling agent (c) is 0.5 to 5.0 parts by mass based on 100 parts by mass of the urethane prepolymer (a),the curing agent (B) contains a polyol (d) having a hydroxyl value of 50 to 500 mgKOH/g and an amine catalyst (e); a content of the polyol (d) is 40% to 60% by mass based on a total amount of the curing agent (B); a content of the amine catalyst (e) is 1.0% to 10.0% by mass based on the total amount of the curing agent (B),a mixing mass ratio of the main agent (A) to the curing agent (B) is 3:1 to 10:1, andan equivalent ratio of NCO group/OH group in the main agent (A) and the curing agent (B), respectively, is 1.0 to 5.0.2. The two-part curable urethane-based composition according to claim 1 , wherein at least one of the main agent (A) and the curing agent (B) further contains a carbon black (f) claim 1 , and a total content of the carbon black (f) is 10% to 30% by mass based on a total amount of the ...

ADHESIVE FILM ACTIVATABLE AT LOW TEMPERATURE

The invention relates to an adhesive composition that can be activated at a low temperature (from 110° C., preferably from 100° C.) and is available in the form of a film, and to the method for the production thereof. The invention also relates to a composition comprising at least one specific polyester polyol and at least one specific polyisocyanate dispersible in said polyester polyol in the presence of at least one specific organic solvent, and to the use of said composition for producing an adhesive composition that can be activated at a low temperature and is available in the form of a film. 115-. (canceled)16. A composition comprising:at least one saturated polyester polyol (A), including at least one saturated polyester polyol having a number-average molar mass (denoted Mn1) of greater than or equal to 15,000 g/mol (denoted A1), andat least one polyisocyanate of uretdione type (B) having at least two NCO groups,optionally at least one organic solvent (C) capable of dissolving the polyester polyol(s) (A) without dissolving the polyisocyanate(s) of uretdione type (B).17. The composition as claimed in claim 16 , comprising:from 75% to 95% by dry weight of at least one saturated polyester polyol (A), including at least one saturated polyester polyol (A1) having a number-average molar mass (denoted Mn1) of greater than or equal to 15,000 g/mol, with respect to the total dry weight of the composition, andfrom 5% to 25% by dry weight of at least one polyisocyanate (B) of uretdione type having at least two NCO groups, with respect to the total dry weight of the composition.18. The composition as claimed in claim 16 , wherein the polyester polyol(s) (A) is (are) amorphous or semicrystalline.19. The composition as claimed in claim 16 , wherein the saturated polyester polyol(s) (A1) is (are) semicrystalline and exhibit(s) a Tg of less than or equal to 0° C.20. The composition as claimed in claim 16 , wherein the saturated polyester polyol (A) is a mixture of saturated ...

CATALYST SYSTEM FOR URETDIONE DISPERSIONS

The present invention relates to a catalyst system comprising: A) at least one compound selected from azoles, oxazoles, thiazoles, benzotriazole, benzimidazole, benzoxazole and salts thereof; B) at least one acid catcher, which contains at least one epoxy group; and C) at least one catalyst containing an N,N,N′-trisubstituted amidine structure with an amidine group content of from 12.0 to 47.0 wt %, calculated as CN2 with molecular weight=40. The invention also relates to a kit which comprises the catalyst system of the present invention and an aqueous uretdione dispersion having an acid number of from 1 to 100 KOH/g and additionally at least one carboxyl group. The invention further relates to a method for producing a polyurethane layer using the catalyst system of the present invention and said uretdione dispersion, and to the obtained polyurethane layer, and to the use of the catalyst system for curing aqueous acidic uretdione dispersions and/or for the production of paints or coatings. 1: A catalyst system comprisingA) at least one compound selected from the group consisting of azoles, oxazoles, thiazoles, benzotriazole, benzimidazole, benzoxazole, and salts thereof;B) at least one acid scavenger containing at least one epoxy group; andC) at least one catalyst containing an N,N,N′-trisubstituted amidine structure and having an amidine group content of 12.0 to 47.0% by weight calculated as CN2 with molecular weight=40.2: The catalyst system as claimed in claim 1 , wherein the at least one compound A) is selected from pyrazole claim 1 , imidazole claim 1 , 1 claim 1 ,2 claim 1 ,3-triazole claim 1 , 1 claim 1 ,2 claim 1 ,4-triazole claim 1 , benzotriazole claim 1 , and salts thereof.3: The catalyst system as claimed in claim 1 , wherein the at least one acid scavenger B) is selected from aliphatic or aromatic alcohols claim 1 , diols claim 1 , polyols claim 1 , ethers and acids containing at least one epoxy group.4: The catalyst system as claimed in claim 1 , ...

AQUEOUS URETDIONE GROUP-CONTAINING COMPOSITIONS AND METHOD FOR PRODUCING SAME

The invention relates to aqueous uretdione group-containing compositions comprising or consisting of (A) at least one uretdione group-containing curing agent based on aliphatic, cycloaliphatic, araliphatic, and/or aromatic polyisocyanates which do not contain chemically bonded hydrophilating groups; (B) at least one hydroxy group-containing polyol which contains at least one chemically bonded carboxylic acid group; (C) optionally solvents; and (D) optionally auxiliary agents and additives; wherein the quantity ratio of the components (A) and (B) is measured such that the molar ratio of the NCO groups of the curing agent (A), said groups being provided in the form of uretdione, to the NCO reactive groups of the polyol (B) equals 3.0:0.5 to 0.5:3.0, and A and B are provided as a physical mixture. The invention additionally relates to a method for producing a polyurethane layer using the aqueous uretdione group-containing composition according to the invention, to the polyurethane layer obtained therefrom, and to a substrate which is coated with or adhered to the polyurethane layer. 1. An aqueous uretdione group-containing compositions comprising;(A) at least one uretdione group-containing curing agent based on aliphatic, cycloaliphatic, araliphatic or aromatic polyisocyanates that contains no chemically-bonded hydrophilizing groups;(B) at least one hydroxyl-containing polyol that contains at least one chemically-bonded carboxylic acid group;(C) optionally, solvents; and(D) optionally, auxiliaries and additives;wherein the quantitative ratio of components (A) and (B) is such that the molar ratio of the NCO groups of the curing agent (A) present as uretdione to NCO-reactive groups of the polyol (B) is 3.0:0.5 to 0.5:3.0 and wherein A and B are present as a mixture.2. The composition as claimed in claim 1 , wherein the at least one uretdione group-containing curing agent (A) is obtained by reacting monomeric isocyanates comprising at least one monomeric isocyanate ...

MAGNETIC FLOOR SURFACE

The present invention is directed to a method for providing a surface, in particular a floor surface, with a layer of a magnetic and/or magnetizable cover composition, the surface having at least one layer of cementitious material, wherein the method comprises the step of spreading the layer of the cover composition onto the surface, the cover composition comprising a polymeric binder and magnetic and/or magnetizable particles, characterized in that the layer of the cover composition has a water vapor transmission rate of at least 0.25 g hmaccording to ASTM D1653,and the surface and/ or the layer of cementitious material has a relative humidity of more than 75% according to ASTM F 2170-11. 1. A floor surface comprising at least one layer of cementitious material bearing a layer of a cover composition comprising a polymeric binder and magnetic and/or magnetizable particles , wherein the polymeric binder is prepared from a precursor composition comprising at least a polyisocyanate component and an amine-group containing component.2. The floor surface of claim 1 , wherein the polymeric binder further comprises a polyol component.3. The floor surface of claim 2 , wherein the polymeric binder further comprises one or more catalysts.4. The floor surface of claim 1 , wherein the polymeric binder further comprises a material selected from fillers claim 1 , extenders claim 1 , pigments or combinations thereof.5. The floor surface of claim 1 , wherein the polyisocyanate component has an average NCO-functionality of 1.5 to 4.6. The floor surface of claim 5 , wherein the polyisocyanate component comprises a polyisocyanate prepolymer derived from or blended with an uretdione claim 5 , a biuret or an isocyanurate of hexamethylene di-isocyanate (HDI) or any combination thereof.7. The floor surface of claim 6 , wherein the polyisocyanate prepolymer has an isocyanate content of 5-15% by weight.8. The floor surface of claim 5 , wherein the polyisocyanate component comprises a ...

COMPOSITIONS, METHOD OF BONDING, AND ASSEMBLY

A two-part curable composition comprises a Part A and a Part B. The Part A composition includes polyuretdione having an average uretdione ring functionality of at least 1.2. Part B composition includes polythiol having an average sulfhydryl group functionality of at least 1.2. At least one of the Part A composition and the Part B composition may further comprise accelerator for addition of the polythiol to the polyuretdione. The accelerator comprises a basic salt having the formula M+Zb−x y wherein M+ is a cation having a single positive charge a, wherein a is 1, 2, or 3; Zb− is an oxide anion having a negative charge b−, wherein b is 1 or 2; and x and y are positive integers, wherein x equals y times b. Cured compositions, methods of making them and articles including them are also disclosed. 126-. (canceled)27. A two-part curable composition comprising:a Part A composition comprising at least one polyuretdione, the at least one polyuretdione having an average uretdione ring functionality of at least 1.2, wherein the at least one polyuretdione has an average isocyanate functionality of less than 0.01;a Part B composition comprising at least one polythiol, the at least one polythiol having an average sulfhydryl group functionality of at least 1.2; and [{'br': None, 'sup': +', 'b−, 'sub': x', 'y, 'MZ'}, [{'sup': '+', 'M is a cation having a single positive charge;'}, {'sup': b−', '−, 'Z is an oxide anion having a negative charge b, wherein b is 1 or 2; and'}, 'x and y are positive integers, wherein x equals y times b., 'wherein'}], 'wherein at least one of the Part A composition and the Part B composition further comprises at least one accelerator for ring-opening addition of the at least one polythiol to the at least one polyuretdione, and wherein the at least one accelerator comprises a basic salt having the formula'}28. The two-part curable composition of claim 27 , wherein M is selected from lithium claim 27 , sodium claim 27 , potassium claim 27 , cesium claim ...

New systems for priming and adhesion of flooring

The invention relates to layer structures containing polyaspartic primers (AG) and curable compositions based on silane-modified polymers (KS), and to a method for adhesion of flooring onto pre-treated substructures.

POLYESTER ADHESIVE COMPOSITION AND ADHESIVE SHEET

Provided are a polyester-based pressure-sensitive adhesive composition having high wetting ability and superior adherability and light peelability, and a pressure-sensitive adhesive sheet produced with such a pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition includes a polyester obtained by polycondensation of a difunctional or polyfunctional carboxylic acid and a diol; a fatty acid ester; and a crosslinking agent, wherein the polyester has a weight average molecular weight of 8,500 to 50,000, and the fatty acid ester has no additional functional group and has a molecular weight of 200 to 700. The polyester-based pressure-sensitive adhesive composition contains 10 to 150 parts by weight of the fatty acid ester based on 100 parts by weight of the polyester. 1. A polyester-based pressure-sensitive adhesive composition , comprising:a polyester obtained by polycondensation of a difunctional or polyfunctional carboxylic acid and a diol;a fatty acid ester; anda crosslinking agent, whereinthe polyester has a weight average molecular weight of 8,500 to 50,000, andthe fatty acid ester has no additional functional group and has a molecular weight of 200 to 700,the polyester-based pressure-sensitive adhesive composition containing 10 to 150 parts by weight of the fatty acid ester based on 100 parts by weight of the polyester.2. The polyester-based pressure-sensitive adhesive composition according to claim 1 , wherein the crosslinking agent is an isocyanate crosslinking agent.3. A pressure-sensitive adhesive sheet claim 1 , comprising:a support; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a pressure-sensitive adhesive layer formed on at least one side of the support through crosslinking of the polyester-based pressure-sensitive adhesive composition according to .'}4. The pressure-sensitive adhesive sheet according to claim 3 , wherein the pressure-sensitive adhesive layer has a gel fraction of 40 to 90% by weight.5. ...

Translucent polyurethane or polyisocyanurate foams

The present invention relates to a process for producing translucent polyurethane and polyisocyanurate foams by reaction of a component A comprising A1 at least one polyol reactive with the component B; A2 optionally at least one amine; A3 water and optionally formic acid; A4 at least one foam stabilizer; A5 optionally auxiliary and/or additive substances; A6 optionally at least one flame retardant; A7 at least one catalyst; and a component B comprising B1 at least one aliphatic or cycloaliphatic polyisocyanate component or a combination thereof; and B2 optionally at least one hydrophilized isocyanate; and B3 less than 20 parts by weight of an aromatic polyisocyanate component, wherein the parts by weight of B3 are based on the sum of the parts by weight of B1 to B3 normalized to 100 parts by weight, characterized in that the reaction of the component A with the component B is carried out at an isocyanate index of at least 150, wherein the obtained translucent polyurethane and polyisocyanurate foams have a light transmission according to EN ISO 13468-2:2006 of at least 10% and a haze of at least 70%, determined according to ASTM D1003-13, in each case measured at a layer thickness of 20 mm. The present invention further relates to polyurethane and polyisocyanurate foams obtained by the process and to the use thereof as a construction element, as a wall element, as a floor element, in buildings, in vehicles or lamps.

Adhesive film for polarizing plate, polarizing plate comprising the same and optical display apparatus comprising the same

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display apparatus including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer, an isocyanate curing agent, a metal chelate curing agent, and an antistatic agent, and has a surface resistance difference ΔSR of 1.0 (log(Ω/□)) or less, as calculated by Equation 1 and, in Equation 1, SR1 is 10 (log(Ω/□)) or less.

METHOD FOR PRODUCING TDI-TRIMERISATES WITH HIGH PURITY

The invention relates to a novel method for producing polyisocyanurates comprising isocyanate groups, based on 2,4- and 2,6-toluylene diisocyanate (TDI) and to the use thereof in coating compositions. 122-. (canceled)23: A method for producing polyisocyanates comprising solvent and/or diluent and isocyanurate groups , based on 2 ,4-toluylene diisocyanate , having a content of monomeric diisocyanate of <0.5 wt. % , based on polyisocyanate plus solvent , comprising trimerisingA) from 20 to 80 wt. % of 2,4-toluylene diisocyanate in the presence ofB) from 20 to 80 wt. % of solvents and/or diluents, andC) a phenolic catalyst comprising dialkylaminomethyl groupsat a temperature of from 40 to 120° C. to almost complete conversion, and then deactivating the catalyst by addition of an acid-reacting substance or by reaction with an alkylating agent, wherein the toluylene diisocyanate has a content of 2-chloro-6-isocyanato-methylcyclohexadienes (CIMCH) below the detection limit of 1 wt. ppm and wherein the polyisocyanates comprising solvent and/or diluent and isocyanurate groups have APHA colour indices <100 Hazen.24: The method according to claim 23 , wherein the toluylene diisocyanate is produced by gas phase phosgenation.25: The method according to claim 23 , wherein the catalyst is obtained as a Mannich base based on phenol or bisphenol A by reaction with dimethylamine and formaldehyde.26: The method according to claim 23 , wherein the catalyst is deactivated by dibutyl phosphate or p-toluenesulfonic acid methyl ester.27: The polyisocyanates produced by the method according to comprising solvent and/or diluent and isocyanurate groups.28: A method comprising utilizing the polyisocyanate produced according to the method of as the polyisocyanate component in polyurethane coatings.29: The method according to wherein the polyisocyanates comprise a crosslinker in two-component polyurethane coatings.30: A polyurethane adhesive comprising the polyisocyanates produced according to ...

Silylated Polyurethanes, Their Preparation and Use

A silylated polyurethane obtainable by a process comprising the following steps: (a) reacting at least one polyol with at least one triisocyanate to form a hydroxyl-terminated polyurethane prepolymer, and (b) reacting said polyurethane prepolymer with at least one isocyanatosilane of the formula (1): OCN—R—Si—(X)(R), wherein m is 0, 1 or 2, each Ris independently from each other a hydroxyl group, an alkoxy group having 1 to 10 carbon atoms, an acyloxy group having 1 to 10 carbon atoms, or —OCH(R)COOR, wherein Ris hydrogen or an alkyl group having 1 to 4 carbon atoms and Ris a straight-chain or branched alkyl group having 1 to 8 carbon atoms, each X is independently from each other and optionally substituted hydrocarbon group having 1 to 10 carbon atoms, which can be interrupted by at least one heteroatom, and R is a difunctional organic group, to endcap the hydroxyl groups on said prepolymer with said isocyanatosilane. The silylated polyurethanes are suitable for use in a preparation as an adhesive, sealant, or coating agent. 1. A silylated polyurethane obtained by a process comprising the following steps:(a) reacting at least one polyol with at least one triisocyanate to form a hydroxyl-terminated polyurethane prepolymer; and {'br': None, 'sub': m', '3-m, 'sup': '1', 'OCN—R—Si—(X)(R)\u2003\u2003(1)'}, '(b) reacting the hydroxyl-terminated polyurethane prepolymer with at least one isocyanatosilane of formula (1) to endcap the hydroxyl groups on the hydroxyl-terminated polyurethane prepolymer with the isocyanatosilane,'} m is 0, 1 or 2,', {'sup': 1', '2', '3', '2', '3, 'each Ris independently from each other a hydroxyl group, an alkoxy group having 1 to 10 carbon atoms, an acyloxy group having 1 to 10 carbon atoms, or —OCH(R)COOR, wherein Ris hydrogen or an alkyl group having 1 to 4 carbon atoms and Ris a straight-chain or branched alkyl group having 1 to 8 carbon atoms,'}, 'each X is independently from each other an optionally substituted hydrocarbon group having 1 ...

POLYCARBAMIDE RESINS FOR METAL COATING APPLICATIONS

Polycarbamide coating compositions and secondary diamine curing agents used to produce the coating compositions are disclosed. Curing agent compositions comprising: (a) the reaction product of bis(4-aminocyclohexyl) methane and ethyl ester of 2-butendioc acid; and (b) the reaction product of bis(4-amino-3-methylcyclohexyl)methane and ethyl ester of 2-butendioic acid; and (c) at least one polyol are also disclosed. One aspect of the disclosure relates to a non-aqueous coating composition comprising the disclosed amine curing agents with a polyisocyanate resin. The coating compositions are suitable for use as direct to metal coatings or top coats. Methods of producing the curing agents and the coating compositions are also disclosed. 1. A curing agent composition , comprising:at least one polyol;a first secondary diamine consisting of the reaction product of bis(4-aminocyclohexyl) methane and ethyl ester of 2-butenedioic acid; anda second secondary diamine consisting of the reaction product of bis(4-amino-3-methylcyclohexyl) methane and ethyl ester of 2-butenedioic acid.2. The curing agent composition of claim 1 , wherein each of the at least one polyol is selected from the group consisting of: polyols synthesized using succinic acid claim 1 , glutaric acid claim 1 , and adipic acid; 2-methyl-1 claim 1 ,3-propanediol; and 1 claim 1 ,4-cyclohexanedimethanol.3. The curing agent composition of claim 1 , wherein the first secondary diamine comprises 20% to 50% by weight of the curing agent composition claim 1 , wherein the second secondary diamine comprises 20% to 50% by weight of the curing agent composition claim 1 , and wherein the at least one polyol comprises 20% to 50% by weight of the curing agent composition.4. (canceled)5. The curing agent composition of claim 1 , wherein the first secondary diamine comprises 45% to 85% by weight of the curing agent composition claim 1 , wherein the second secondary diamine comprises 5% to 30% of the curing agent composition ...

A COATING COMPOSITION COMPRISING A POWDER DISPERSED IN A LIQUID CARRIER

A metal substrate being coated on at least a portion thereof with a liquid coating composition comprising a powder component dispersed in a liquid carrier, wherein the average particle size of the powder dispersed in the liquid carrier is less than 15 microns (μm); wherein the powder component comprises a thermoset resin; wherein the thermoset resin comprises an acid functional polyester material; and wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE). 1. A metal substrate being coated on at least a portion thereof with a liquid coating composition comprising a powder component dispersed in a liquid carrier , wherein the average particle size of the powder dispersed in the liquid carrier is less than 15 microns (μm); wherein the powder component comprises a thermoset resin; wherein the thermoset resin comprises an acid functional polyester material; and wherein the coating composition is substantially free of bisphenol A (BPA) , bisphenol F (BPF) , bisphenol A diglycidyl ether (BADGE) and bisphenol F diglycidyl ether (BFDGE).2. A metal substrate according to claim 1 , wherein the acid functional polyester material comprises the reaction product of a polyacid and a polyol.3. A metal substrate according to claim 2 , wherein the acid functional polyester is formed from a polyacid comprising succinic acid claim 2 , glutaric acid claim 2 , adipic acid claim 2 , heptanoic acid claim 2 , dodecanedioic acid or combinations thereof.4. A metal substrate according to any of to claim 2 , wherein the acid functional polyester material has an acid number (AN) of at least 25 mg KOH/g.5. A metal substrate according to any of to claim 2 , wherein the acid functional polyester material has a Tg from 20° C. to 150° C.6. A metal substrate according to any preceding claim claim 2 , wherein the powder component further comprises a thermoplastic resin.7. A metal ...

A COATING COMPOSITION COMPRISING A THERMOSET RESIN AND A THERMOPLASTIC RESIN

A powder coating composition comprising: a) a thermoset resin comprising an acid functional polyester material, b) a thermoplastic resin and c) a crosslinker material, wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidylether (BADGE) and bisphenol F diglycidyl ether (BFDGE). 2. A powder coating composition according to claim 1 , wherein the acid functional polyester material comprises the reaction product of a polyacid and a polyol.3. A powder coating composition according to claim 2 , wherein the polyacid comprises at least 50 mol % terephthalic acid and/or isophthalic acid based on the total number of moles of polyacid.4. A powder coating composition according to or claim 2 , wherein the acid functional polyester is formed from a polyacid comprising succinic acid claim 2 , glutaric acid claim 2 , adipic acid claim 2 , heptanoic acid claim 2 , dodecanedioic acid or combinations thereof.5. A powder coating composition according to or claim 2 , wherein the polyol comprises at least 10 mol % of neopentyl glycol based on the total number of moles of polyol.6. A powder coating composition according to any preceding claim claim 2 , wherein the acid functional polyester material has an acid number (AN) of at least 25 mg KOH/g.7. A powder coating composition according to any preceding claim claim 2 , wherein the thermoplastic resin comprises epoxy resin claim 2 , polyester resin claim 2 , polyolefin resin claim 2 , polyurethane resin claim 2 , polysiloxane resin claim 2 , acrylic resin claim 2 , hydrocarbon resin or combinations thereof.8. A powder coating composition according to claim 7 , wherein the thermoplastic resin comprises polyolefin resin claim 7 , acrylic resin or a combination thereof.9. A powder coating composition according to or claim 7 , wherein the thermoplastic resin is provided in the form of a powder or in the form of a dispersion in a liquid carrier.10. A powder coating composition ...

RHEOLOGY-MODIFYING URETHANE COMPOUND

The invention relates to a rheology-modifying urethane compound. The compound comprising urethane functions of the invention can be prepared according to a method in several steps which use different compounds comprising isocyanate functions. For the preparation of the urethane compound according to the invention, a monoisocyanate compound, in particular a monoisocyanate compound resulting from the separate condensation of an asymmetric diisocyanate compound with a reactive compound, is reacted with an alkylene glycol compound in the presence of a polyisocyanate compound. The invention also provides coating compositions comprising mineral particles and a urethane compound according to the invention. 1. A urethane compound , prepared in the absence of any diisocyanate compound , by a reaction of: (A1) a compound comprising a single isocyanate function and', (A2-1) at least one compound comprising at least one labile hydrogen atom and', '(A2-2) at least one dissymmetric diisocyanate compound,, '(A2) at least one monoisocyanate compound resulting from a separate reaction of], '(A) at least one monoisocyanate compound selected from(B) at least one isocyanate compound comprising more than 2 isocyanate functions, and [{'br': None, 'sub': 'n', '(HO)-L-(OH) \u2003\u2003(I)'}, 'where each L independently represents a poly(alkylene glycol) residue and n is a number in a range of from 40 to 400., '(C) at least one compound of formula (I)2. The urethane commpound of claim 1 , wherein the monoisocyanate compound (A1) is: [{'br': None, 'R—NCO \u2003\u2003(II)'}, 'where R represents a linear, branched or cyclic, saturated, unsaturated or aromatic hydrocarbon group; or is, 'a compound of formula (II)a compound selected from the group consisting of an aromatic monoisocyanate compound, a polyfunctional aromatic monoisocyanate compound, an alkyl monoisocyanate compound, and a cycloalkyl monoisocyanate compound.3. The urethane compound of claim 1 , wherein the separate reaction of (A2- ...

FLOOR COATINGS COMPRISING A RESIN, A CURE SYSTEM AND DIAMOND PARTICLES AND METHODS OF MAKING THE SAME

A curable coating for a substrate is disclosed that includes a curable resin containing at least one polyester urethane acrylate and monomers, a cure system and diamond particles. Methods of making the curable coatings and methods of making a coated flooring material are also included. 1. A curable coating for a substrate comprising: i. a polyester urethane acrylate; and', 'ii. an acrylate functional monomer;, 'a. a curable resin comprisingb. a cure system; andc. diamond particles.2. The coating of claim 1 , wherein the cure system is selected from a group consisting f photo-initiators claim 1 , thermal initiators claim 1 , curing resins claim 1 , and combinations thereof.3. The coating of claim 1 , wherein the photo-initiator is selected from a group consisting of benzophenone claim 1 , 1-hydroxycyclohexyl phenyl ketone claim 1 , benzoin claim 1 , benzoin methyl ether claim 1 , benzoin ethyl ether claim 1 , benzoin isopropyl ether claim 1 , benzyl diphenyl sulfide claim 1 , and any combination thereof.4. The coating of claim 1 , wherein the thermal initiator is selected from a group consisting of a peroxide compound claim 1 , an azo compound claim 1 , and a combination thereof.5. The coating of claim 1 , the coating has a Tg of about 15° C. to about 50° C. and double bond equivalent weight of about 0.0025 to about 0.0060.6. The coating of claim 1 , further comprising at least one additional abrasion resistant particle.7. The coating of claim 6 , wherein the at least one additional abrasion particle has a Mohs hardness value of at least 6.8. The coating of claim 1 , further comprising a matting agent.9. The coating of claim 1 , further comprising hydrophobic particles.10. The coating of claim 1 , wherein the coating contains about 0.5% to less than 5.5% by weight of diamond particles.11. The coating of claim 11 , wherein the coating contains about 1% to about 5% by weight of diamond particles.12. The coating of claim 12 , wherein the coating contains about 2% to ...

SEMI-FINISHED PRODUCT ON THE BASIS OF A DUAL CROSSLINKING MECHANISM

The present invention relates to semi-finished products which are obtained from a reaction mixture that contains ethylenic double bonds and isocyanate groups by radical polymerization of the ethylenic double bonds. The semi-finished product can be converted to an isocyanurate plastic having advantageous properties by carrying out polyaddition polymerization reactions of the isocyanate groups. 1. A process for producing a semifinished product , comprising: (i) an isocyanate component A;', '(ii) at least one trimerization catalyst C; and', '(iii) at least one component selected from the group consisting of components B, component D, and component E, wherein', 'component B has at least one ethylenic double bond but no isocyanate-reactive group;', 'component D has at least one isocyanate-reactive group and at least one ethylenic double bond in one molecule; and', 'component E has both at least one isocyanate group and at least one ethylenic double bond in one molecule; and, 'a) wetting a fiber with a reaction mixture having a molar ratio of isocyanate groups to isocyanate-reactive groups of at least 2:1, the reaction mixture comprising'}b) increasing a viscosity of the reaction mixture by at least 100% via free-radical polymerization of at least 50% of the ethylenic double bonds present in the reaction mixture.2. The process as claimed in claim 1 , wherein the fiber is present in the form of a woven fabric claim 1 , a non-crimp fabric claim 1 , or knitted fabric.3. The process as claimed in claim 1 , wherein the reaction mixture additionally comprises a component F which acts as an initiator for the free-radical polymerization of the ethylenic double bonds.4. The process as claimed in claim 3 , wherein the component F is activated by actinic radiation and/or the action of heat.5. The process as claimed in claim 1 , wherein a weight fraction of isocyanate groups in the reaction mixture is at least 1% and not more than 50%.6. The process as claimed in claim 1 , wherein a ...

ADHESIVE COMPOSITION

A polyurethane adhesive composition, more specifically a two-component polyurethane adhesive, including (a) at least one isocyanate component, and (b) at least one polyol component, wherein the polyol component (b) includes (bi) at least one first polyol compound, (bii) at least one second polyol compound and (biii) at least one chain extender, and a process for making the above adhesive composition. 1. An adhesive composition comprising:(a) at least one isocyanate component, and(b) at least one polyol component, wherein the polyol component comprises (bi) at least one first polyol compound, (bii) at least one second polyol compound having a functionality of greater than about 2 and an equivalent weight of less than about 200; and (biii) at least one chain extender, wherein the chain extender comprises a compound having about 2 hydroxyl groups and an equivalent weight of less than about 200.2. The composition of claim 1 , wherein the at least one second polyol compound has a functionality of 3 or more and an equivalent weight of less than about 100.3. The composition of claim 1 , including further at least one catalyst.4. The composition of claim 3 , wherein the at least one catalyst is at least one tin-containing organic catalyst.5. The composition of claim 3 , wherein the at least one catalyst includes a combination of (a) at least one tin-containing organic compound claim 3 , and (p) at least one amine compound.6. The composition of claim 3 , wherein the at least one catalyst is added to the at least one isocyanate component (a); wherein the at least one catalyst is added to the at least one polyol component (b); or wherein the at least one catalyst is added both to the at least one isocyanate component (a) and to the at least one polyol component (b).7. The composition of claim 1 , including further at least one filler.8. The composition of claim 7 , wherein the at least one filler is selected from the group consisting of inorganic filler particles claim 7 , ...

TRANSLUCENT POLYURETHANE FOAMS

The present invention relates to specific translucent, preferably lightfast, polyurethane foams which have a high light transmission and are therefore suitable e.g. for producing translucent polyurethane foams or multilayer composite elements, for example for producing structural components, more particularly as roof elements such as strip lights and light domes, as wall elements such as a panel, in vehicles, in lamps, as furniture, as partitions and in sanitary facilities. 114.. (canceled)15. A process for producing a translucent polyurethane foam by reacting a component A comprisingA1 at least one component reactive with the component B and comprising Zerewitinoff-active hydrogen;A2 water and/or other chemical blowing agents;A3 at least one foam stabilizer;A4 optionally auxiliary and/or additive substances;A5 optionally at least one flame retardant;A6 at least one catalyst;and a component B comprisingB1 at least one aliphatic or cycloaliphatic polyisocyanate component and/or a combination thereof, andB2 less than 20 parts by weight of an aromatic poly isocyanate component, wherein the parts by weight of B2 are based on the sum of the parts by weight of B1+B2 which are normalized to 100 parts by weight, whereinthe reaction of the component A with the component B is performed at an isocyanate index of 70 to 130 and wherein all parts by weight for components A1 to A6 are normalized such that the parts by weight of A1 to A6 in the composition sum to 100 parts by weight, wherein before onset of the blowing reaction the reaction mixture has a turbidity of less than 3500 NTU measured according to DIN EN ISO 7027:2016-11; andwherein the obtained translucent polyurethane foam has a light transmission according to EN ISO 13468-2:2006 in the range from 10% to 60% measured at a layer thickness of the foam of 20 mm, and wherein the obtained translucent polyurethane foam has a haze (haze=100* diffuse transmission/total transmission) according to ASTM D1003-13 of at least 80% ...

POLYISOCYANATE COMPOSITION, BLOCKED POLYISOCYANATE COMPOSITION, HYDROPHILIC POLYISOCYANATE COMPOSITION, COATING MATERIAL COMPOSITION, AND COATING FILM

The present invention provides a polyisocyanate composition and the like that contain a polyisocyanate compound represented by general formula (I), (II), (III) or (IV) (wherein the pluralities of R, R, Rand Reach independently represent an organic group, at least one of the pluralities of R, R, Rand Ris a group represented by general formula (V) (wherein each of the plurality of Yindependently represents a single bond or the like, Rrepresents a hydrogen atom or the like, and the wavy line indicates a bonding site) or the like, and in general formula (III), Rrepresents a residue in which one hydroxyl group has been removed from a monohydric or higher alcohol). 3. The polyisocyanate composition according to claim 2 , comprising polyisocyanate compounds represented by the general formula (I) and the general formula (II) claim 2 , whereina molar ratio between iminooxadiazinedione structures and isocyanurate structures is at least 0.01 but not more than 1.5.5. The polyisocyanate composition according to claim 2 , comprising a polyisocyanate compound represented by the general formula (II) claim 2 , wherein a theoretical reaction rate calculated from an NCO % of the polyisocyanate composition is not more than 47%.6. The polyisocyanate composition according to claim 2 , comprising a polyisocyanate compound represented by the general formula (II) claim 2 , wherein a theoretical reaction rate calculated from an NCO % of the polyisocyanate composition is at least 95% but not more than 150%.7. The polyisocyanate composition according to claim 4 , comprising a polyisocyanate compound (A) represented by the general formula (II) claim 4 , and a triisocyanate compound (B) represented by the general formula (V)-1 claim 4 , whereina surface area ratio ((A)/[(A)+(B)]) between a peak surface area (A) of a number average molecular weight of the polyisocyanate compound (A) and a peak surface area (B) of a number average molecular weight of the triisocyanate compound (B), obtained by a ...

Method for controlled release of antimicrobial compounds

wherein X is O or NH; R is an acrylic polymer, a saturated polyester, an alkyd resin, a polyether or a polycarbonate and R optionally has additional XC(O)NHCHR′R″ substituents; R′ is hydroxyl or NHC(O)XR; and R″ is an organic substituent group having from one to twenty carbon atoms and which optionally has additional CHR′NHC(O)XR substituents.

Flame Retardant Polyurethane Foam And Method For Producing Same

A polyurethane foam having an initial UL 94 vertical flame classification of V-0 and maintaining a UL 94 vertical flame classification of V-0 after one week of heat aging at 150° C. is formed as the reaction product of an isocyanate component and an isocyanate-reactive component in the presence of a blowing agent. The isocyanate component includes an isocyanate-containing compound and a non-reactive phosphorous compound that is present in an amount ranging from 1 to 20 weight percent based on the total weight of the polyurethane foam. The isocyanate-reactive component includes a polyether polyol and expandable graphite that is present in an amount ranging from 3 to 30 weight percent based on the total weight of the polyurethane foam. 1. A polyurethane foam comprising the reaction product of: a polyether polyol having a weight-average molecular weight from 2,500 to 6,000 g/mol and a hydroxyl number from 25 to 60 KOH/g, and', 'expandable graphite present in an amount ranging from 3 to 30 weight percent based on the total weight of the polyurethane foam; and, 'an isocyanate-reactive component comprising 'a non-halogenated, non-reactive phosphorous compound present in an amount ranging from 1 to 20 weight percent based on the total weight of the polyurethane foam and having a cumulative weight loss of 2% or less at 200° C. as measured by thermogravimetric analysis, wherein said non-halogenated, non-reactive phosphorous compound is liquid at 25° C.;', 'an isocyanate-containing compound, and'}, 'an isocyanate component comprisingin the presence of a blowing agent;wherein the polyurethane foam has a UL 94 vertical flame classification of V-0.2. A polyurethane foam as set forth in claim 1 , wherein the non-halogenated claim 1 , non-reactive phosphorous compound is premixed with the isocyanate-containing compound prior to reacting the isocyanate-containing compound with the isocyanate-reactive component.3. A polyurethane foam as set forth in wherein the expandable graphite ...

Polyurethane golf ball

A golf ball according to an embodiment of the present disclosure is covered with an injection-molded crosslinked polyurethane. The golf ball may have excellent scuff resistance and light resistance of a cover as well as excellent driving distance and spin by using a cover composition containing crosslinked polyurethane obtained by adding a crosslinking agent to thermoplastic polyurethane (TPU). A polyurethane cover composition according to an embodiment can make it possible to prepare a crosslinked polyurethane cover by injection molding without the burden of facility investment cost.

2-oxo-1,3-dioxolane-4-carboxamides, their preparation and use

The present invention suggests 2-oxo-1,3-dioxolane-4-carboxamides of formula (I), in which R 2 can be, inter alia, an n-valent radical (n>1) which is substituted with n−1 further 2-oxo-1,3-dioxolane-4-carboxamide groups of general formula (II), to processes for the preparation of these 2-oxo-1,3-dioxolane-4-carboxamides, to processes for the preparation of the 2-oxo-1,3-dioxolane-4-carboxylic acids of formula (III), which are suitable starting materials for the above processes, and to the use of said 2-oxo-1,3-dioxolane-4-carboxamides for the preparation of (poly)hydroxyurethanes, -hydroxycarbonates and -hydroxysulfanylformates, and also as end groups for the blocking of amines.

Isocyanate composition and binder system containing said isocyanate composition

What is described are isocyanate compositions comprising β-dicarbonyl compounds and a binder system, especially for use in a process from the group consisting of polyurethane cold-box process and polyurethane no-bake process, with this isocyanate composition as polyisocyanate component.

COMPACT POLYURETHANE

Described herein is a compact polyurethane having a density of ≥850 g/l, obtainable by reacting at least the components: 1. A compact polyurethane having a density of ≥850 g/l , obtained or obtainable by reacting at least the components:i) a polyisocyanate composition; and ii.1.1) a polyol starter with a functionality of 3 to 6', 'with', 'ii.1.2) propylene oxide and/or butylene oxide,', 'in the presence of a boron-based, fluorine-containing Lewis acid catalyst (ii.1.3), wherein the polyether polyol (ii.1) has an equivalent molecular weight of 50 to 150 g/mol, and', 'ii.1.4) optionally further auxiliaries and/or additives., 'ii) a polyol composition, comprising at least one polyether polyol (ii.1) which is obtained or obtainable by reacting'}2. The compact polyurethane according to claim 1 , wherein the boron-based claim 1 , fluorine-containing Lewis acid catalyst of (ii.1.3) has the formula BRRR claim 1 , wherein R claim 1 , Rand Rare each independently selected from the group consisting of fluorine atom claim 1 , perfluorinated C1 to C10 alkyl radical and perfluorinated C6 to C12 aryl radical.3. The compact polyurethane according to claim 1 , wherein the polyether polyol (ii.1) has a hydroxyl number of more than 400 mg KOH/g.and/orwherein the polyether polyol (ii.1) has an equivalent molecular weight in the range from 50 to 140 g/mol.5. The compact polyurethane according to claim 1 , wherein the reaction of (ii.1.1) and (ii.1.2) is performed exclusively in the presence of a boron-based claim 1 , fluorine-containing Lewis acid catalyst (ii.1.3) and no further alkoxylation catalysts are used.6. The compact polyurethane according to claim 1 , wherein the polyether polyol (ii.1) has no ethylene oxide-based end groups.7. The compact polyurethane according to claim 1 , wherein the polyol composition ii) comprises one or more further polyols claim 1 , wherein the further polyol(s) is/are exclusively polyols which have been prepared without alkali metal-catalyzed or amine- ...

OMNIPHOBIC POLYURETHANE COMPOSITIONS, RELATED ARTICLES, AND RELATED METHODS

The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, urethane groups linking the first and third backbone segments, and urea groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods. 1. A thermoset omniphobic composition comprising: (i) first backbone segments,', '(ii) second backbone segments,', '(iii) third backbone segments,', '(iv) urethane groups linking the first backbone segments and the third backbone segments, and', '(v) urea groups linking the first backbone segments and the second backbone segments;, 'a thermoset polymer comprising a crosslinked backbone, the crosslinked backbone comprising the first backbone segments have a structure corresponding to at least one of a urethane reaction product and a urea reaction product from at least one polyisocyanate,', {'sub': 'g', 'the second backbone segments have a structure corresponding to a urea reaction product from at least one amine-functional hydrophobic polymer having a glass transition temperature (T) of 50° C. or less,'}, 'the third backbone segments have a structure corresponding to a urethane reaction product from at least one polyol,', 'the urethane groups have a ...

POLYURETHANES HAVING LOW EMISSIONS OF ORGANIC COMPOUNDS

The present disclosure relates to a process for producing polyurethanes including mixing (a) polyisocyanate, (b) polymeric compounds having isocyanate-reactive groups, (c) catalysts and optionally (d) blowing agents, (e) chain-extending and/or crosslinking agents and (f) auxiliaries and/or additives to afford a reaction mixture and reacting the reaction mixture to afford polyurethane. The polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component. The acid component includes malonic acid and/or derivatives thereof and the alcohol component includes an aliphatic dialcohol having 4 to 12 carbon atoms. The present disclosure further relates to a polyurethane obtainable by such a process and to a method of using in enclosed spaces. 1. A process for producing polyurethanes comprising: (a) polyisocyanate,', '(b) polymeric compounds having isocyanate-reactive groups,', '(c) catalysts, and optionally', '(d) blowing agents,', '(e) chain-extending and/or crosslinking agents, and', '(f) auxiliary and/or additive substances, 'mixing'}to afford a reaction mixture, and 'wherein the polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component, wherein the acid component comprises malonic acid and/or derivatives thereof and the alcohol component comprises an aliphatic dialcohol having 4 to 12 carbon atoms.', 'reacting the reaction mixture to afford a polyurethane,'}2. The process according to claim 1 , wherein in addition to malonic acid and/or derivatives thereof the acid component comprises one or more further dicarboxylic acids having 6 to 12 carbon atoms or derivatives thereof.3. The process according to claim 1 , wherein a content of malonic acid and/or malonic acid derivative based on a total content of the acid component is 20 to 100 mol %.4. The process according to claim 1 , ...

ISOCYANATE COMPOSITION, METHOD FOR PRODUCING ISOCYANATE COMPOSITION, AND METHOD FOR PRODUCING ISOCYANATE POLYMER

An isocyanate composition according to the present invention contains an isocyanate compound of formula (1) and/or (2) (wherein Rrepresents a hydrogen or a monovalent organic group, and Rrepresents a monovalent organic group), and, relative to the total mass of the isocyanate compound in the composition, 1.0 ppm by mass to 10% by mass of a compound of formula (3): R—(COO—R)a (wherein Rrepresents an organic group with a valence of a, Rrepresents a monovalent organic group, and a represents an integer of 1 or 2), which is different from the isocyanate compound, and/or, 1.0 ppm by mass to 10% by mass of a compound having an UV absorption in an area of decamer or higher isocyanates in a measurement spectrum of gel permeation chromatography. 2. The isocyanate composition according to claim 1 , further comprising claim 1 , relative to the total mass of the isocyanate compound in the composition claim 1 ,1.0 ppm by mass to 10% by mass of saturated and/or unsaturated hydrocarbon compounds having a linear-chain structure, a branched-chain structure, or a cyclic structure, and/or,1.0 ppm by mass to 10% by mass of a compound having at least one bond selected from the group consisting an ether bond and a thioether bond.3. The isocyanate composition according to claim 1 , further comprising 1.0 ppm by mass to 10% by mass claim 1 , relative to the total mass of the isocyanate compound in the composition claim 1 , of a carbamate group-containing compound and/or a carbonic acid ester.4. The isocyanate composition according to claim 1 , further comprising:1.0 ppm by mass to 10% by mass, relative to the total mass of the isocyanate compound in the composition, of a basic amino compound in an amount of, and/or,a halogen ion, and/or, a hydrolyzable halogen compound.5. The isocyanate composition according to claim 1 , further comprising claim 1 , relative to the total mass of the isocyanate compound in the composition claim 1 ,{'sup': '3', '1.0 ppm by mass to 1.0×10ppm by mass of a ...

Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same. 1. A polyurethane comprising a reaction product of components comprising: (i) about 1 equivalent of at least one polyisocyanate; and', '(ii) about 0.1 to about 0.5 equivalents of at least one polyol selected from the group consisting of propanediol, butanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, sorbitol, mannitol, propylene glycol, neopentyl glycol, 2-methyl-1,3-propanediol, 2,2-dimethyl-1,3-propanediol, and dibutyl 1,3-propanediol, and mixtures thereof; and, '(a) an isocyanate functional urethane prepolymer comprising a reaction product of components comprising(b) about 0.05 to about 1.0 equivalents of at least one polyol (b), based upon the about 1 equivalent of at least one polyisocyanate (i), the polyol (b) being selected from the group consisting of tetramethylolmethane, trimethylolethane, trimethylolpropane, pentaerythritol, dipentaerythritol, tripentaerythritol, and mixtures thereof; and(c) up to about 0.9 equivalents of at least one polyol (c) different from polyol (b) and having 2 to 18 carbon atoms, based upon the about 1 equivalent of at least one polyisocyanate (i),wherein the reaction product components comprise less than about 5 weight ...

Two-Component Polyurethane Adhesive for Adhesively Bonding Molded Fiber Parts

The invention relates to a two-component adhesive on the basis of polyurethanes, having a high adhesive strength, a high glass temperature, a low curing time and a sufficiently long processing time, which can adhesively bond also substrates having uneven surfaces. The invention further relates to the use of the two-component adhesive for the adhesive bonding of molded fiber parts, such as, for example, wing half-shells of rotor blades for wind power plants. 1. A two-component polyurethane adhesive , comprising a. 2 to 30% by weight at least one oleochemical polyol having a number-average molecular weight (Mn) of at least 500 g/mol;', 'b. 5 to 35% by weight at least one polyol that is different from (a) and has 3 to 14 hydroxy groups,', 'c. 5 to 35% by weight at least one polyol that is different from (a) and (b) selected from ethoxylated and/or propoxylated polyphenols;', 'd. 1 to 65% by weight glass fibers or a mixture of different glass fibers;', 'wherein the mass fractions of the components (a) to (e) are relative to the total weight of the polyol component; and', 'e. 0 to 65% by weight at least one additive or auxiliary that is different from (a) to (d);'}, 'an isocyanate component containing aromatic and/or aliphatic polyisocyanates in an NCO/OH ratio of 0.9:1 to 1.5:1;', 'wherein the crosslinked two-component polyurethane adhesive has a glass transition temperature (Tg) of at least 65° C., 'a polyol component containing at least one catalyst and'}2. The two-component polyurethane adhesive according to claim 1 , wherein the glass fibers have a fiber thickness between 5 and 30 μm and a fiber length between 50 and 350 μm.3. The two-component polyurethane adhesive according to claim 1 , wherein the glass fibers are coated with an aminosilane-based sizing agent claim 1 , and the sizing agent content of the dried glass fibers is 0.2 to 2.0% by weight relative to the total weight of the coated glass fibers.4. The two-component polyurethane adhesive according to claim ...

HYDROXY FUNCTIONAL ALKYL POLYUREA CROSSLINKERS

A hydroxy functional alkyl polyurea is disclosed having the formula presented in claim , wherein R comprises an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine and having an Mn of 500 or greater; wherein each RI is independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one Ris a hydroxy functional alkyl having 2 or more carbons; and n is 2-6. Further disclosed is a coating comprising: a film-forming resin; and a hydroxy functional alkyl polyurea crosslinker having the formula presented in claim , wherein Ris a substituted or unsubstituted Cto Calkyl group, an aromatic group, an isocyanurate moiety, biuret moiety, allophonate moiety, glycoluril moiety, benzoguanamine moiety, polyetheramine moiety, and/or polymeric moiety different from a polyetheramine having an Mn of 500 or greater, wherein each Ris independently a hydrogen, an alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one Ris a hydroxy functional alkyl having 2 or more carbons; and n is 2-6, and when Ris a substituted or unsubstituted Cto Calkyl group the film-forming resin comprises COOH functionality that reacts with the polyurea to form an ester linkage. 120-. (canceled)22. The thermoset composition of claim 21 , wherein the film-forming resin comprises an acid functional resin.23. The thermoset composition of claim 21 , wherein the film-forming resin comprises an acid functional acrylic resin claim 21 , an acid functional polyester resin claim 21 , and/or an acid functional polyolefin resin.24. The thermoset composition of claim 21 , wherein the thermoset composition comprises from 10 to 99 weight percent of the film forming resin and from 0.5 to 50 weight percent of the hydroxy functional alkyl polyurea.25. The thermoset composition of claim 21 , wherein ...

POLYURETHANE FILTER FOAM

A polyurethane filter foam is provided herein. The polyurethane filter foam may have improved permeability by having both a small cell and a large cell in a range for maximizing the opening property of the foam. In some instance, this is achieved by specifically configuring and foaming a composition of polyether polyol and methylene diphenyl diisocyanate (MDI) to manufacture the polyurethane foam. The polyurethane foam of the present invention can be manufactured without performing a reticulation process. 1. A polyurethane filter foam manufactured by foaming (A) polyether polyol and (B) methylene diphenyl diisocyanate (MDI) , whereinthe (A) polyether polyol is a polyol resin mixture comprising (A-1) from about 10 to 40 wt % of difunctional polyether polyol having a hydroxyl value of from about 20 to 100 mgKOH/g; (A-2) from about 10 to 50 wt % of trifunctional polyether polyol having a hydroxyl value of 20 to 100 mgKOH/g; and (A-3) from about 10 to 50 wt % of hexafunctional polyether polyol having a hydroxyl value of 5 from about 0 to 100 mgKOH/g, andthe (B) methylene diphenyl diisocyanate (MDI) is an isocyanate mixture comprising (B-1) from about 10 to 80 wt % of MDI monomers; (B-2) from about 0.1 to 20 wt % of carbodiimide modified MDI having a weight average molecular weight of from about 250 to 350 g/mol, (B-3) from about 10 to 50 wt % of polymeric MDI having a weight average molecular weight of from about 300 to 400 g/mol, and (B-4) from about 0.1 to 50 wt % of MDI prepolymer having a weight average molecular weight of from about 250 to 1,000 g/mol prepared by prepolymerizing the MDI monomers and the polyether polyol.2. The polyurethane filter foam of claim 1 , wherein the (B) methylene diphenyl diisocyanate (MDI) is included with from about 40 to 70 parts by weight based on 100 parts by weight of the (A) polyether polyol.3. The polyurethane filter foam of claim 1 , wherein the (A-1) difunctional polyether polyol is prepared by adding an ethylene oxide (EO) or ...

MOLDED POLYURETHANE BODIES WITH EXCELLENT FLEXIBILITY AT LOW TEMPERATURE

The present invention relates to a process for producing polyurethane moldings, wherein (a) organic polyisocyanates are mixed with (b) one or more compounds having at least two hydrogen atoms which are reactive toward isocyanate, comprising polyester polyol, (c) blowing agent, (d) catalyst, and (e) propylene carbonate and compounds selected from the group consisting of at least one compound of the general formula (I) and a compound of the formula (II), to give a reaction mixture, introduced into a mold and allowed to react to give a polyurethane molding. The present invention further relates to polyurethane moldings obtainable by such a process and also the use of these moldings as steering wheels, seats, armrests and in particular as shoe soles. 2. The process according to claim 1 , wherein R is a linear hydrocarbon radical which has 8 carbon atoms and is bound to the oxygen via the C-3 carbon atom.3. The process according to claim 1 , wherein the compound e) is used in an amount of from 1 to 30% by weight claim 1 , based on the total weight of the components b) and e).4. The process according to claim 1 , wherein the weight ratio of propylene carbonate to the total weight of the compound of the formula (I) and the compound of the formula (II) is from 1:0.5 to 1:5.5. The process according to claim 1 , wherein MDI or prepolymers of MDI is/are used as isocyanate a).6. The process according to claim 5 , wherein the MDI or the prepolymers of MDI comprise(s) claim 5 , based on the total weight of the MDI including the MDI used for preparing the prepolymers claim 5 , more than 80% by weight of 4 claim 5 ,4′-MDI.7. The process according to claim 1 , wherein the MDI or the prepolymers of MDI comprise(s) claim 1 , based on the total weight of the MDI including the MDI used for preparing the prepolymers claim 1 , from 0.5 to 10% by weight of carbodiimide-modified MDI.8. The process according to claim 5 , wherein the prepolymer of MDI is obtainable by reaction of MDI with ...

Stable and Low Cure-Temperature 1K Polyisocyanate

This invention relates to a surface-deactivated solid polyisocyanate and a thermally curable adhesive composition comprising the same, which are suitable for assembling articles of various substrates such as plastic materials. In particular, the present invention relates to a surface-deactivated solid polyisocyanate and a thermally curable adhesive composition comprising the same which is storage stable at room temperature, can be cured at a temperature lower than 100° C. and meanwhile have excellent adhesion and mechanical properties when cured. 1. A surface-deactivated solid polyisocyanate , which is a reaction product of a solid polyisocyanate with{'sub': 1', '20', '1', '20, '(1) an acid addition salt of a carboxylic acid and a first amine having a weight averaged molecular weight of 1,000 g/mol or more, in which the carboxyl acid has a linear or branched, C-C-alkyl or C-C-alkylene group and is optionally substituted by a primary hydroxyl group, and'}(2) optionally a second amine having a weight averaged molecular weight of less than 1,000 g/mol.2. The surface-deactivated solid polyisocyanate according to claim 1 , wherein the solid polyisocyanate is selected from 2 claim 1 ,4-TDI claim 1 , 2 claim 1 ,6-TDI claim 1 , 2 claim 1 ,4-TDI dimer claim 1 , 2 claim 1 ,6-TDI dimer claim 1 , urea of TDI claim 1 , uretdione of TDI and mixtures thereof.4. The surface-deactivated solid polyisocyanate according to claim 1 , wherein the solid polyisocyanate in particle form with an average particle size in the range of 0.01 to 100 μm.5. The surface-deactivated solid polyisocyanate according to claim 1 , wherein the second amine is a polyether amine having a weight averaged molecular weight of less than 800.6. The surface-deactivated solid polyisocyanate according to claim 1 , wherein the first amine is a polyether amine having a weight averaged molecular weight of 1 claim 1 ,500 or more.7. The surface-deactivated solid polyisocyanate according to claim 1 , wherein the ...