СПОСОБ ОБРАБОТКИ ИЗДЕЛИЙ ИЗ ПОЛИМЕРНОЙ КОМПОЗИЦИИ, ВКЛЮЧАЮЩЕЙ ПОЛИМЕР НА ОСНОВЕ ВИНИЛХЛОРИДА, ПОДВЕРГАЮЩИХСЯ ЕСТЕСТВЕННОМУ СТАРЕНИЮ НА ПОВЕРХНОСТИ

Изобретение относится к способу обработки изделий из полимерной композиции, включающей полимер на основе винилхлорида, подвергшихся естественному старению на поверхности во время их использования, который включает стадию (Е), согласно которой обрабатывают в окружающей атмосфере поверхность изделий с помощью органического раствора, содержащего органический пероксид и органический растворитель (раствор (S)). Раствор (S) дополнительно содержит УФ-стабилизатор или дополнительно включает стадию (Е'), следующую после стадии (Е), согласно которой поверхность изделия обрабатывают с помощью органического раствора, отличающегося от раствора (S), который включает УФ-стабилизатор и органический растворитель (раствор (S')). 11 з.п. ф-лы.

РАСТВОРИТЕЛЬ И СПОСОБ ПЕРЕРАБОТКИ ПОЛИКЕТОНА И/ИЛИ ПОЛИАМИДА С ЕГО ИСПОЛЬЗОВАНИЕМ (ВАРИАНТЫ)

Настоящее изобретение относится к растворителю для полиамида и/или поликетона, а также к способу переработки полимера путем растворения его в растворителе. Изобретение может быть использовано для получения полимерных пленок, мембран, волокон и других изделий для применения в различных отраслях народного хозяйства. Растворитель для полиамида и/или поликетона состоит из смеси бензилового спирта и органического сорастворителя с дисперсионным параметром растворимости по Хансену не менее 16.5 МПа0.5 при соотношении компонентов, % мас.: бензиловый спирт 30-70; сорастворитель - остальное. Способ переработки полимера заключается в растворения его в растворителе, формовании полученного полимерного раствора и удалении растворителя с получением целевого полимерного продукта, в котором в качестве полимера используют полиамид и/или поликетон, который растворяют в предлагаемом выше растворителе с получением полимерного раствора при следующем соотношении компонентов, % мас.: полиамид и/или поликетон 0.1 ...

СПОСОБ ВВЕДЕНИЯ ЧАСТИЦ УГЛЕРОДА В ПОЛИУРЕТАНОВЫЙ ПОВЕРХНОСТНЫЙ СЛОЙ

... 1. Способ введения электропроводящих частиц в содержащий полиуретан поверхностный слой, который включает следующие стадии:(A) приготовление раствора неагрегированных частиц углерода со средним диаметром от ≥0,3 до ≤3000 нм в растворителе, способном вызывать набухание содержащего полиуретан поверхностного слоя,(B) контактирование содержащего полиуретан поверхностного слоя с раствором частиц углерода,(C) воздействие раствора частиц углерода на содержащий полиуретан поверхностный слой в течение промежутка времени, недостаточного для перехода полиуретана в раствор,(D) прекращение воздействия раствора частиц углерода на содержащий полиуретан поверхностный слой.2. Способ по п.1, причем воздействие раствора частиц углерода на содержащий полиуретан поверхностный слой осуществляют с использованием ультразвука и/или тепла.3. Способ по п.1, причем частицы углерода обладают нековалентно функционализованной поверхностью.4. Способ по п.1, причем частицы углерода выбраны из группы, включающей углеродные ...

СПОСОБ ОБРАБОТКИ ПОЛИМЕРНЫХ ПЛЕНОК ДЛЯ ПРИДАНИЯ ИМ НЕПРОЗРАЧНОСТИ

Способ изготовления листового целлюлоида

DEVICE FOR TREATMENT OF CONCAVE AND CONVEX SURFACES OF CONTACT LENS AFTER MOLDING AND MEANS FOR CONTACT LENS TRANSPORTATION

Способ обработки и хранения латексных радиозондовых и шаропилотных оболочек

Электроизоляционная лента

Изобретение относится к электротехнике , в частности к липким изоляционным прорезиненным лентам на текстильной основе. Цель изобретения - уменьшение материалоемкости, увеличение удельной изолирующей,поверхности и снижение себестоимости ленгы при сохранений электрической прочности. Электроизоляционная лента из ткани, уток которой состоит из пневмосоединенных ацетилцеллюлозных нитей плотностью 8,3-36,0 текс, потребляют при прорезинивании на 14,5% меньше резиновой смеси и обладает на 16,8% большей изолирующей поверхностью при сохранении прежней электрической прочности. 1 з.п. ф-лы, 1 табл. с ...

Способ получения непрозрачных изделий из полиметилметакрилата

Способ выделения асбестового волокна

Жидкость для обработки уплотнительных резин

Способ получения бумагоподобной пленки

Способ обработки полимерных пленок для придания им непрозрачности

Устройство для обработки имеющей выпуклую и вогнутую поверхности контактной линзы после формования и средство для транспортировки контактной линзы

Использование: в процессах промывки и гидратации с получением изделия в виде контактной линзы высокого качества. Сущность изобретения: в устройстве для обработки имеющей выпуклую и вогнутую поверхности контактной линзы после формования , содержащем средство для промывки , средство для транспортировки, подводящее и выводящее средства, средства для промывки выполнены в виде индиви- дуальных камер для линз, имеющих соизмеримый с линзой объем для полного погружения линзы и предотвращения переворачивания . 2 с. и 17 з.п, ф-лы, 12 ил.

ELECTRICALLY CONDUCTIVE COPOLYMERS OF PYRROLES, AND PROCESS FOR THEIR PREPARATION

VERFAHREN ZUR ANTISTATISCHEN AUSRUESTUNG ODER VORBEHANDLUNG VON POLYAMIDEN/POLYIMIDEN, DIE SO BEHANDELTEN WERKSTOFFE UND IHRE VERWENDUNG.

Antistatic finishing or pretreatment of polymer materials (I) based on polyamides, polyimides or polyamide-imides involves treating (I) with a soln. of a mixt. of (a) gp. IA and IIA halides, esp. chlorides, pref. CaCl2, MgCl2, KCl and/or LiCl and/or with (b1) salts of weak inorganic bases and strong inorganic acids, esp. FeCl3, AlCl3, TiCl4, TiCl3, BCl3, BCl3, SbCl5, MoCl5, SnCl2, ZnCl2 and/or CuCl2 and/or (b2) chelate complexes of (b1) with Schiff's bases, complex-forming amines, carboyxlic acids, diketones, alpha, beat-unsatd. ketones and phospines, in (c) a non-etching organic swelling agent or solvent for these materials, pref. a technical alcohol, op. with (c) a non-etching organic swelling agent or solvent for these materials, pref. a technical alochol, opt. with addn. of water. Treatment is carried out at temps. up to the b.pt. of the solvent, pref. at -15 to +60, esp. + 15 to 40 deg.C for 0.5-30 min.. The moulding is then washed with water or solvent and dried.

Polypropylenharzzusammensetzung mit verbesserter Kompatibilität mit Anstrichen und Gegenstand mit Anstrich daraus

VERFAHREN ZUR HERSTELLUNG VON SEMIPERMEABLEN MEMBRANEN AUF DER BASIS VON ACRYLNITRIL-POLYMERISATEN

Verfahren zur Oberflächenbehandlung von Formteilen

Bereit gestellt wird ein Verfahren zur Oberflächenbehandlung eines mit einem Ester-, Keton- und/oder Etherbindungen aufweisenden Kunststoff hergestellten Formteils, wobei der Kunststoff ausgewählt wird aus der Gruppe umfassend Polymer, Copolymer, Polymerblend, und Kombinationen hiervon, wobei das Verfahren einen Vorbehandlungsschritt (VS) zum kationischen Modifizieren der Oberfläche des Formteils umfasst. Das kationische Modifizieren erfolgt mit einem in einem Lösungsmittel gelösten Reaktanten, der einen oder mehrere Amin-, Imin- und/oder Amid-Gruppen aufweist.

Verfahren zur Entfernung von feinkörnigen Teilchen aus Fluoroharzgegenständen

EINBRINGEN EINES FARBSTOFFES MIT HILFE EINES PLASTIFIZIERMITTELS

VERFAHREN ZUM FÄRBEN VON KUNSTOFFFOLIEN

Vorrichtung zur Oberflächenbehandlung von in einem 3D-Druckverfahren hergestellten Formteil aus Kunststoff

OBERFLAECHENBEHANDLUNG VON FORMKOERPERN AUS KRISTALLINEN, THERMOPLASTICHEN KUNSTSTOFFEN

METHOD FOR TREATING SYNTHETIC RESIN MOULDINGS AND FILMS TO IMPART ROUGHNESS AND OPACITY THERETO

... 1,268,828. Roughening and opacifying plastics films. MITSUBISHI RAYON CO. Ltd. 22 Aug., 1969 [5 Sept., 1968; 3 Oct., 1968 (2); 17 Oct., 1968; 7 July, 1969], No. 41930/69. Heading B5B. The surfaces of films of synthetic resinous materials are rendered non-transparent, rough or porous by treating them in one bath with a mixture of a good solvent and a non-solvent for the film material, which solvents are completely miscible under the conditions in which the method is performed, the difference between the solubility parameters of the good solvent and the non-solvent, ##, and the difference in ‹ C. between their boiling-points, #bp, satisfying the equation :- and then drying the treated films. In the above equation #=(cohesive energy-density)¢ or the energy of vaporization per c.c, expressed in (Cals./ml. )¢. The fibres treated may consist of polyolefin, polystyrene, polyesters, polyvinyl chloride, polymethacrylate, polycarbonates, polysulphones, polyamide polyurethanes or mixtures or copolymers ...

Enhancing membrane crystallinity

HYDROCHLORINATION OF RUBBER SHEET

Improvements in and relating to articles of plastics materials

... 959,544. Ornamenting. N. BERTRAND. Jan. 29, 1963 [Feb. 3, 1962], No. 3574/63. Heading B6G. An article of plastics material, e.g. a vinyl compound, is treated to give it the appearance of a ceramic article by first softening it by dipping it into a solvent, and then dipping it into a polymer material having highly lustrous characteristics, e.g. methyl methacrylate polymer. The article after softening may be treated first with methyl methacrylate mixed with a vinyl compound and then with pure methyl methacrylate. The article may be coloured with pigment, varnish or ink by dipping, painting or spraying, before or after treatment with the polymer. The polymer may be mixed with a material which filters discolouring radiation such as ultra-violet or infra-red rays. The article may be hollow and filled with plaster of Paris, cement or sand to simulate the weight of ceramics.

METHOD FOR MODIFYING SURFACE PROPERTIES OF A SHAPED SILICONE ARTICLE

Process for modifying the properties of fibres and foils of aromatic polyesters

The properties of fibres and foils made from linear aromatic polyesters, e.g. polyethylene terephthalate, are modified by treating them for a period within the range of 10-4 seconds to 5 seconds at a temperature above 200 DEG C., e.g. 200 DEG -350 DEG C., with a chemical substance which acts as a swelling agent for the polyester under the conditions of the process but does not react chemically therewith, either as such or in the presence of an organic solvent. The swelling agent may be an ester, ether, ketone or nitrile, e.g. the dimethyl and diethyl esters of sebacic, azeloic and suberic acids, benzophenone, adipic acid dinitrile, ethyl-b -naphthol ether and diphenyl ether. The fibres or foils may be passed at a draw-off speed of 10-2,000 metres per minute with a path of immersion of 0,5-10 cm. through a bath containing the swelling agent at the required temperature. Excess swelling agent may then be removed by passing the fibres and foils over a surface heated to 200 DEG -350 DEG C., ...

Improvements in or relating to the treatment of cellulose products

In a method of treating cellulose hydrate products to improve their softness and smoothness, and reduce their swelling capacity, and water absorbent properties, the cellulose hydrate, in water swollen or air dried condition, is treated with aqueous solutions of water soluble mono or polyvalent alcohols or ketones or mixtures thereof to displace the water of the cellulose hydrate, and the so treated material is impregnated with aliphatic, cycloaliphatic, or fatty aromatic alcohols having at least 6 carbon atoms, their organic acid esters or ethers or mixtures thereof, but not including cellulose esters or ethers and with or without organic or inorganic hygroscopic compounds. Suitable mono or polyvalent alcohols for the pre-treatment are methanol, ethanol, iso-propanol, butanol, and suitable ketones are acetone or methylethylketone. Suitable impregnating substances are decyl, dodecyl, tetradecyl, cetyl, octadecyl, olecic, ricinoleic, or miricyl alcohol, cyclohexanol, decahydronaphthol, naphthenic ...

METHOD FOR FABRICATING SEMICONDUCTOR DEVICE AND ETCHANT FOR POLYMER RESIN

... 1510944 Etching HITACHI Ltd 30 April 1976 [13 Aug 1975] 17720/76 Heading B6J [Also in Division H1] A semi-cured resin containing amido and/or imido linkages is etched with a composition comprising hydrazine and at least one polyamine of the formula wherein R is selected from divalent radicals having 2-6 carbon atoms. Examples of suitable resins and amines are given.

METHODS OF HEAT TREATMENT OF GRAFT COPOLYMER FILMS

COMPOSITE MATERIAL

Conditioning of polyamides for electroless plating

Polyamide substrates are preconditioned for electroless plating by contact with an alkaline aqueous solution having a pH of at least about 10 and etched with an acid solution. The acid solution is preferably an aqueous solution of an organic acid containing at least two carbon atoms, particularly an acetic acid compound, such as trichloroacetic acid.

PROCESS FOR THE MANUFACTURE OF ORIENTED THERMOPLASTIC RESIN SHEETING PROTECTED AGAINST THE ACTION OF ULTRAVIOLET RAYS

"improvements in inter-electrode separators for electric cells"

Unplasticised polyvinyl alcohol sheet is immersed, e.g. for 3 days, in a substantially anhydrous monohydroxy alcohol of not more than four carbon atoms, e.g. methyl or ethyl alcohol, and the sheet is then dried, e.g. in air. The resultant product, which may be an ether of the polyvinyl alcohol and the monohydroxy alcohol, is suitable for use as an inter-electrode separator for alkaline batteries. Specification 708,330, [Group XXXVI], is referred to.

Method for removing residual additives from elastomeric articles

ELASTOMER BODY

ELASTOMERKOERPER

AETZEN DER OBERFLAECHE EINES POLYMERGEGENSTANDES

SOURCE MEANS FOR COVERING AND WALL LINING FOILS

PROCEDURE FOR THE PRODUCTION OF ORIENTED ONES, AGAINST THE EFFECT OF ULTRAVIOLET JETS PROTECTED PLATES AND/OR FOILS FROM THERMAL PLASTIC SYNTHETIC RESIN

HITZEBESTANDIGES LAYER MATERIAL

CHAMBER TO HYDRATION OF CONTACT CONTACTS

PROCEDURE FOR THE TREATMENT OF POLYAZOLFOLIEN

PROCEDURE FOR HYDRATION OF WEAK CONTACT CONTACTS

MORE LIGHTSLIDING POLYARYLENTHIOAETHERFILM AND PROCEDURES FOR ITS PRODUCTION.

PROCEDURE BOTH FOR THE PREPARATION OF ARTICLES FROM POLYOLEFINEM GEL, AND FOR THE PRODUCTION OF ARTICLES WITH HIGH TENSILE STRENGTH AND MODULUS OF ELASTICITY.

PROCEDURE FOR THE RE-ESTABLISHMENT OF MOVED ROOF INSULATION STRIPS FROM SOFT POLYVINYL CHLORIDE.

AZEOTROPE PREPARATION

BY UV OR WARMTH STARTING OXYGEN-POOR PACKING SYSTEM USING A OXIDIZE-CASH POLYMER RESIN AND A PEROXIDE

PROCEDURE FOR COLORING ART OFF FOILS

PROCEDURE FOR REMOVING FROM HYDROCARBONS FROM OBERFLÄCHENWASSER

Procedure for metallizing Oxymethylenpolymeren

PROCEDURE FOR THE TRANSMISSION OF SWITCHES CONTACT CONTACTS

Process for removing extractables from polymeric contact lenses

Infusion of dye using a plasticizer

EASILY-SLIDABLE POLYARYLENE THIOETHER FILM AND PROCESS FOR PRODUCING THE SAME

THERMOPLASTIC CONTAINERS EXHIBITING EXCELLENT PROTECTION TO VARIOUS ULTRAVIOLET SUSCEPTIBLE COMPOUNDS

Building material compositions

PROJECTION SCREEN FABRICATION TECHNIQUES

SILICONE RUBBER ENCLOSURE ELEMENT AND METHOD OF USING

TITLE: SILICONE RUBBER ENCLOSURE ELEMENT AND METHOD OF USING A silicone rubber enclosure element and method of using in which the enclosure element, such as a length of tubing formed of silicone rubber, such as methyl vinyl polysiloxane and/or trifluoropropylmethyl vinyl polysiloxane, is treated with a fluorocarbon, such as trichlorotrifluoroethane, to effect expanding the inner diameter of the enclosure element about 50%. After the enclosure element is mounted about a supporting structure while in the expanded form, the fluorocarbon is allowed to evaporate at room temperature and cause the silicone element to shrink about the supporting structure, forming a secure connection, as the element returns to substantially its original dimensions.

CONDITIONING OF POLYAMIDES FOR ELECTROLESS PLATING

... of the Invention Polyamide substrates are pre-conditioned for electroless plating by contact with an alkaline aqueous solution having a pH of at least about 10 and etched with an acid solution. The acid solution is preferably an aqueous solution of an organic acid containing at least two carbon atoms, particularly an acetic acid compound, such as trichloracetic acid.

APPARATUS FOR EFFECTING THE OPACIFICATION TREATMENT OF A POLYMER FILM

PLASTIC OPTICAL ELEMENT

METHOD FOR THE PRODUCTION OF ORIENTED THERMOPLASTIC RESIN SHEETS RESISTING ULTRAVIOLET RAYS

CHEMICALLY EMBOSSED SHEET MATERIAL

TACKIFYING SOLUTION

A tackifying composition comprising a heat and pressure activated resin dissolved in an evaporating solvent. The tackifying composition may comprise 5 - 33% resin; and 67 - 95% solvent (or 5 - 34% resin; and 66 - 95% solvent). The resin may be Foral AX .TM. or Foral DX .TM..

COMPOSITIONS FOR REFLOWING ORGANIC SURFACES

METHOD OF TINTING A PLASTIC ARTICLE

A method of tinting a plastic article is provided. The method comprises the steps of (a) providing a plastic article comprising a thermoset or thermoplastic polymer; (b) contacting at least a portion of the surface of said plastic article with a treatment composition comprising at least one dye and water; (c) maintaining said portion of said plastic articl e in contact with said treatment composition for a period of time at least sufficient to form a tinted plastic article; (d) removing said tinted plasti c article from contact with said treatment composition; and (e) rinsing said tinted plastic article with water to remove excess dye. The method is carried out in the absence of an organic solvent, without the need for fixin g or further processing steps.

CELLULOSE ESTERS IN PNEUMATIC TIRES

A tire component is provided comprising an elastomeric composition containing at least one non-fibril cellulose ester, at least one non-nitrile primary elastomer, optionally a starch, and at least 70 parts per hundred rubber (phr) of one or more fillers, wherein the weight ratio of the cellulose ester to the starch is at least 3:1, and wherein the cellulose ester is in the form of particles having an average diameter of not more than 10 µm.

SURFACE ROUGHENING OF RESIN MOLDED ARTICLES FOR METALLIZING

A method for roughening the surface of a resin molded article to make it susceptible to metallizing is disclosed, comprising contacting a resin molded article at least the surface portion of which to be roughened mainly comprises a block copolymer comprising 100 parts by weight of a polyarylene sulfide component block and from 100 to 200 parts by weight of a polyarylene sulfide ketone component block with a solvent capable of dissolving a polyarylene sulfide ketone more than a polyarylene sulfide.

RUBBER SURFACE TREATMENT AND PRODUCTS DERIVED THEREFROM

The treatment of an uncured or partially cured rubber surface with a solvent mixture of n-heptane and specified hydrocarbon(s). The treatment is to add building tack. Cured adhesion can also be enhanced. An appropriate solvent mixture is provided. An article can be produced thereby as a cured assembly of rubber components.

ELASTICIZED ARTIFICIAL LEATHER AND PROCESS FOR ITS PRODUCTION

The following describes elasticized artificial leather characterized in that it is formed by a woven support material comprising warp threads and weft threads, said material being coated on at least one of its two sides by at least one layer of synthetic polymer, said woven material having its weft made from elasticized yarn produced using elastomeric fibers. A further object of the present invention is a process for production of the elasticized artificial leather.

RUBBER SURFACE TREATMENT AND PRODUCTS DERIVED THEREFROM

The treatment of an uncured or partially cured rubber surface with a solvent mixture of n-heptane and specified hydrocarbon(s). The treatment is to add building tack. Cured adhesion can also be enhanced. An appropriate solvent mixture is provided. An article can be produced thereby as a cured assembly of rubber components.

TREATMENT OF ULTRAHIGH MOLECULAR WEIGHT POLYOLEFIN TO IMPROVE ADHESION TO A RESIN

TREATMENT OF ULTRAHIGH MOLECULAR WEIGHT POLYOLEFIN TO IMPROVE ADHESION TO A RESIN Method and apparatus for treating ultrahigh molecular weight, high strength polyolefin to improve its adhesive bonding to a resin such as epoxy, vinyl ester, polyester, polyurethane, polyolefin or thermoplastic rubber are provided. The method includes the steps of soaking the polyolefin in a first solution comprising (i) an aromatic ketone photosensitizer, and (ii) a first solvent selected from the group consisting of a benzene derivative, an alkyl halide, and a cyclic alkane; removing any excess first solvent; coating the surface of the polyolefin with a second solution comprising (i) about 15 to 70 weight percent of a monomer independently selected from the aforementioned group, (ii) about 0.25 to 5 weight percent of an aromatic ketone photosensitizer, and (iii) about 25 to 84.75 weight percent of a solvent selected from the group consisting of a low boiling point alcohol and a low boiling point ketone; ...

TREATMENTS TO REDUCE FRICTIONAL WEAR BETWEEN COMPONENTS MADE OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE AND METAL ALLOYS

The present invention provides methods for modifying surfaces of metal alloy and/or UHMWPE (ultra-high molecular weight polyethylene), preferably surfaces which are frictionally engaged, e.g., in an orthopaedic implant. The methods reduce the coefficient of friction of the metal alloy component, reduce the shearing of fibrils from the UHMWPE component. One method involves solvent immersion of the UHMWPE component to remove short chains of polyethylene at or near its surface, and to swell and toughen its subsurface. Another method also involves firmly coating the surface of the metal alloy component with an adherent layer of diamond-like carbon ("DLC") by creating a metal-silicide interface at the surface of the metal alloy to permit firmer adhesion of DLC. Although these methods are particularly useful in orthopaedic applications, they can also be used to treat similar components used in other applications.

AUTOMATED METHOD AND APPARATUS FOR SINGLE SIDED HYDRATION OFSOFT CONTACT LENSES IN PACKAGE CARRIERS

An automated means for hydrating and packaging a molded hydrophilic contact lens in one of the mold parts used to mold the lens is provided in which a first robotic assembly removes a plurality of contact lens molds from a production line carrier, each of the lens molds having a contact lens adhered therein. The first robotic assembly transports the molds to a first staging area where the lens molds are sandwiched between a lens mold carrier and a top chamber plate to form a first hydration carrier. The hydration carrier is then transported through a plurality of flushing or extraction stations wherein fresh deionized water is introduced into the hydration chambers at each hydration station to flush leachable substances from the hydration chamber. At each flushing station, fresh deionized water is introduced into the hydration chamber to remove previously extracted impurities and the products of hydrolysis. A final robotic dis-assembly device separates the top chamber plate and lens molds ...

METHOD OF DEBLOCKING, EXTRACTING AND CLEANING POLYMERIC ARTICLES WITH SUPERCRITICAL FLUID

Methods of deblocking a polymeric article from a mold and/or removing undesirable materials from a polymeric article by applying supercritical fluids to the polymeric article are disclosed. A preferred process is the treatment of ophthalmic lenses, such as contact lenses (16). Supercritical fluid, composed primarily of carbon dioxide, is applied to a contact lens (16) affixed to a mold (18) subsequent to the polymerization step. The application of supercritical fluid (SCF) causes the lens to efficiently and consistently separate from the mold, removes undesirable materials such as unreacted monomer oligomers, or residual solvents from the lens core, and/or cleans the lens surface of adhered debris.

PROCESS FOR THE PRODUCTION OF THREE-DIMENSIONALLY CROSSLINKED POLYMERIC MATERIALS HAVING BROAD CHOLESTERIC REFLECTION BAND, AND FILTERS,REFLECTORS AND POLARIZERS PRODUCED BY THISPROCESS

The invention relates to a process for the preparation of three-dimensionally crosslinked polymeric materials having a broad cholesteric reflection band, which comprises bringing polymeric materials having cholesteric properties and an extractable material content into contact with a solvent or solvent mixture.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

According to further broad aspect of the present invention there is provided an improved method for releasing a hydrophilic polymeric contact lens from a plastic mold in which the polymeric lens has been polymerized. The improvement in the method comprises using deionized water to which a small amount of surfactant has been added as a hydration solution for releasing the lens from the plastic mold.

PROCESS FOR HYDRATING SOFT CONTACT LENSES

A method of transferring a contact lens between processing stations and comprising aligning a lens holding means containing a contact lens with a convex carrier element so that a concave surface of the lens is oriented towards a convex surface of the carrier element. The contact lens is released from the lens holding means and attached to the convex surface of the first carrier elements. The contact lens is then transferred to a subsequent processing station.

PROCEDE POUR AMELIORER LA MOUILLABILITE A L'EAU DES POLYOLEFINES.

Verfahren zum Veredeln von Textilfasern aus hochpolymeren Polyestern

Verfahren zum Veredeln von flächenförmigen, geschnittenen bezw. ausgestanzten Gebilden aus filmbildenden, plastischen Massen.

Procédé de fabrication de pellicules plastiques à effet décoratif.

Verfahren zur Herstellung gemusterter Oberflächen an Kunststoffgebilden.

Verfahren zur Schaffung einer als Separator für elektrische Elemente geeigneten Polyvinylalkohol-Membrane und nach diesem Verfahren hergestellte Separatormembrane

Verfahren zur Herstellung weichgummiartiger, kältebeständiger Gebrauchsgegenstände aus Polyvinylchlorid.

Verfahren zur Überführung von massiven, aus quellbarem Material bestehenden Gebilden in nahtlose Hohlkörper.

Verfahren zur Herstellung homogener Platten aus Polyamiden und nach dem Verfahren hergestellte Platte

Verfahren zur Herstellung einer porösen Oberfläche auf geformten Gebilden aus Polypropylen

Schaltung zur Steuerung eines Wechselstromkreises mittels einer Gasentladungsröhre

Verfahren zur Verbesserung der Eigenschaften von geformten Gebilden aus hochpolymeren Polyestern

Compositions and Methods for Selective Deposition Modeling

There is provided compositions and methods for producing three-dimensional objects by selective deposition modeling with a polar build material and a non-polar support material. The build material comprises a hydrocarbon wax material and a viscosity modifier, and the support material comprises a hydrocarbon alcohol wax material and a viscosity modifier. After the selective deposition modeling process has been completed, the object can be placed in a bath of polar solvent to remove the support material. The particular materials provided herein, and the post-processing methods associated therewith, provide for improved part quality of the three-dimensional object and for improved post-processing techniques. The three-dimensional objects can subsequently be used in a number of applications, such as patterns for investment casting. 1. A combination of compositions used to produce a three-dimensional object with a selective deposition modeling apparatus , the combination comprising: (i) a build hydrocarbon wax material, wherein the build hydrocarbon wax material comprises between 75% and 85% by weight of the build material, and', '(ii) at least one build viscosity modifier defining a hydrocarbon resin free of oxygen, wherein the build viscosity modifier comprises between 15% and 25% by weight of the build material; and, '(a) a build material comprising (i) a support hydrocarbon alcohol wax material, wherein the support hydrocarbon alcohol wax material comprises between 60% and 68% by weight of the support material, and', '(ii) at least one support viscosity modifier defining a hydrogenated rosin, wherein the support viscosity modifier comprises between 32% and 40% by weight of the support material., '(b) a support material comprising2. The combination of compositions of claim 1 , wherein the build hydrocarbon wax material comprises a paraffin wax.3. The combination of compositions of claim 1 , wherein the build viscosity modifier comprises a hydrogenated hydrocarbon ...

PROCESS FOR FORMING A HIGH EFFICIENCY NANOFIBER FILTER

A process for forming a high efficiency filter containing the steps of forming a non-woven layer having pores from a plurality thermoplastic fibers having a median diameter of less than about 2 micrometers, saturating the non-woven layer in a wetting liquid, and drying the wetted non-woven layer. 1. A process for forming a high efficiency filter comprising:forming a non-woven layer having pores from a plurality of thermoplastic fibers having a median diameter of less than about 2 micrometers, wherein the formed non-woven layer and the dried non-woven layer contains no electrostatic charge;saturating the non-woven layer in a wetting liquid, wherein the wetting liquid has a surface tension of less than the surface tension of the thermoplastic making up the thermoplastic nanofibers, wherein the wetting liquid completely wets the pores in the non-woven layer;drying the wetted non-woven layer at room temperature such that size and shape of at least a portion of the pores change, wherein the dried non-woven layer has higher filtration efficiency than the formed non-woven layer.2. The process of claim 1 , wherein the thermoplastic fibers have a median diameter of less than about 1 micrometers.3. The process of claim 1 , wherein the thermoplastic fibers have a median diameter of less than about 100 nanometers.4. The process of claim 1 , wherein the thermoplastic fibers have a median diameter of less than about 70 nanometers.5. The process of claim claim 1 , wherein the formed non-woven layer further comprises a plurality of micron-sized fibers.6. The process of claim 1 , wherein the wetting liquid is selected from the group consisting of isopropanol claim 1 , ethanol claim 1 , methanol claim 1 , DMF claim 1 , alcohol/water mixtures claim 1 , and mixtures thereof.7. The process of claim 1 , wherein the formed non-woven layer further comprises a plurality of binder fibers.8. The process of claim 1 , wherein the formed non-woven layer further comprises a plurality of fire ...

METHOD FOR PRODUCING A DENTAL PROSTHESIS

A method of producing a dental prosthesis produced from a gum part, and prosthetic teeth arranged on the gum part and connected to the gum part. The surface of the dental prosthesis is surface-treated, the surface treatment of the dental prosthesis involving a solvent, and the solvent containing at least one chlorohydrocarbon and at least one methane nitroderivative. 1. A method for producing a dental prosthesis , wherein the dental prosthesis is produced from a gum part and prosthetic teeth arranged on the gum part and connected to the gum part and wherein the surface of the dental prosthesis is subjected to a surface treatment , wherein the surface treatment of the dental prosthesis is effected with a solvent , wherein the solvent contains at least one chlorinated hydrocarbon and at least one nitro derivative of methane.2. The method according to claim 1 , wherein the solvent contains at least one chlorinated hydrocarbon at 50 to 80 percent by weight and at least one nitro derivative of methane at 15 to 45 percent by weight.3. The method according to claim 1 , wherein the production of the dental prosthesis comprises the steps ofproducing the gum part by machining, in particular milling, a first plastic blank,producing the prosthetic teeth by machining, in particular milling, at least one second plastic blank and connecting, in particular gluing, the prosthetic teeth to the gum part to form the dental prosthesis.4. The method according to claim 3 , wherein the connection of the prosthetic teeth to the gum part is effected by the solvent.5. The method according to claim 4 , wherein the prosthetic teeth and the gum part have contact areas claim 4 , via which the prosthetic teeth and the gum part contact each other in the assembled state claim 4 , wherein the connection is effected by depositing the solvent on the contact area of the gum part and/or of the prosthetic teeth before assembly.6. The method according to claim 1 , wherein the at least one chlorinated ...

ANTIMICROBIAL SURFACE MODIFIED SILICONE RUBBER AND METHODS OF PREPARATION THEREOF

An antimicrobial silicone rubber comprises a silicone rubber substrate, a catechol layer bound to a surface of the silicone rubber substrate, and an antimicrobial layer disposed on the catechol layer. The catechol layer comprises a catechol material, a quinone derivative thereof, and/or a polymer of the foregoing catechol material and/or quinone derivative. The antimicrobial layer comprises an antimicrobial cationic polycarbonate covalently linked to the catechol layer. 1. An antimicrobial silicone rubber , comprising:a silicone rubber substrate;a catechol layer bound to a surface of the silicone rubber substrate, the catechol layer comprising a catechol material, a quinone derivative thereof, and/or a polymer of any of the foregoing; andan antimicrobial layer disposed on the catechol layer, the antimicrobial layer comprising an antimicrobial cationic polycarbonate covalently linked to the catechol layer.2. The antimicrobial silicone rubber of claim 1 , wherein the catechol material is dopamine.3. The antimicrobial silicone rubber of claim 1 , wherein the catechol layer comprises polydopamine (PDA).4. The antimicrobial silicone rubber of claim 1 , wherein the cationic polycarbonate is a diblock copolymer comprising a poly(ethylene oxide) block and a cationic polycarbonate block.5. The antimicrobial silicone rubber of claim 4 , wherein the poly(ethylene oxide) block has a terminal sulfur group bound to the catechol layer.6. The antimicrobial silicone rubber of claim 4 , wherein the cationic polycarbonate block is a random copolymer comprising a cationic carbonate repeat unit and a hydrophobic non-charged carbonate repeat unit.7. The antimicrobial silicone rubber of claim 1 , wherein the cationic polycarbonate consists essentially of cationic carbonate repeat units comprising i) a carbonate backbone portion and ii) a side chain linked to the backbone portion claim 1 , the side chain comprising a quaternary amine.8. The antimicrobial silicone rubber of claim 1 , ...

Structured nanoporous materials, manufacture of structured nanoporous materials and applications of structured nanoporous materials

A method is disclosed for manufacturing a structured polymeric material. In the method, a body is provided comprising a substantially homogenous precursor polymeric material. An interference pattern of electromagnetic radiation is set up within the body to form a partially cross-linked polymeric material, the interference pattern comprising maxima and minima of intensity of the electromagnetic radiation, the interference pattern thereby causing spatially differential cross linking of the precursor polymeric material to form crosslinked regions having relatively high cross linking density and non-crosslinked regions having relatively low cross linking density, the crosslinked regions and non-crosslinked regions corresponding to the maxima and minima of intensity of the electromagnetic radiation, respectively. The partially cross-linked polymeric material is then contacted with a solvent to cause expansion and crazing of at least some of the non-crosslinked regions to form a structured polymeric material containing pores. 132-. (canceled)33. A polymeric structure having a plurality of lamellae , adjacent lamellae being spaced apart by an intervening spacing layer wherein the spacing layer comprises an array of spacing elements integrally formed with and extending between the adjacent lamellae , the spacing layer having interconnected porosity extending within the spacing layer.34. The polymeric structure according to wherein the lamellae are substantially non-porous.35. The polymeric structure according to and having a first region and a second region claim 33 , adjacent the first region claim 33 , wherein the first region differs from the second region in that the first region is a nanoporous material having the plurality of lamellae claim 33 , adjacent lamellae being spaced apart by the intervening spacing layer.36. The polymeric structure according to and having a first region and a second region claim 33 , each having the plurality of lamellae claim 33 , adjacent ...

COATED FILM

According to the present invention, there is provide a coated film having excellent properties which can be highly prevented from suffering from deposition of oligomers from a surface of the film when exposed to a high temperature condition, and is free from occurrence of disadvantages due to the oligomers (ester cyclic trimer) upon storage, use or processing of the film, etc. The present invention relates to a coated film comprising a single-layer polyester film having an ester cyclic trimer content of not more than 0.7% by weight or a multilayer polyester film comprising a polyester surface layer having an ester cyclic trimer content of not more than 0.7% by weight, and a coating layer formed on at least one surface of the single-layer polyester film or multilayer polyester film, the coating layer being formed from a coating solution comprising a polyvalent aldehyde-based compound. 1. A coated film comprising a single-layer polyester film having an ester cyclic trimer content of not more than 0.7% by weight or a multilayer polyester film comprising a polyester surface layer having an ester cyclic trimer content of not more than 0.7% by weight , and a coating layer formed on at least one surface of the single-layer polyester film or multilayer polyester film , the coating layer being formed from a coating solution comprising a polyvalent aldehyde-based compound.2. The coated film according to claim 1 , wherein a thickness of the single-layer polyester film or multilayer polyester film is 10 to 300 μm claim 1 , and a thickness of the surface layer of the multilayer polyester film is not less than 1.5 μm.3. The coated film according to claim 1 , wherein the polyester film has a multilayer structure having three layers constituted of two kinds of materials.4. The coated film according to claim 1 , wherein the polyvalent aldehyde-based compound is an acetalization reaction product obtained from a polyvalent aldehyde compound and a polyhydric alcohol.5. The coated film ...

HIGHLY POROUS SEPARATOR FILM HAVING A COATING AND A DISCONNECTING FUNCTION

The invention concerns a biaxially orientated, single- or multi-layered porous film which comprises at least one porous layer and this layer contains at least one propylene polymer and polyethylene; 133.-. (canceled)34. A biaxially orientated , single- or multi-layered porous film which comprises at least one porous layer and this layer contains at least one propylene polymer and polyethylene;(I) the porosity of the porous film is 30% to 80%; and(II) the permeability of the porous film is <1000 s (Gurley number);wherein(III) the porous film comprises an inorganic coating; and(IV) the coated porous film has a Gurley number of <1500 s; and(V) the coated porous film has a Gurley number of >6000 s when it is heated for 5 minutes to over 140° C.35. The film as claimed in claim 34 , wherein the porosity is produced by transformation of β-crystalline polypropylene upon drawing the film claim 34 , wherein at least one β-nucleation agent is present in the film.36. The film as claimed in claim 34 , wherein the propylene polymer is a propylene homopolymer and/or a propylene block copolymer.37. The film as claimed in claim 35 , wherein the β-nucleation agent is a calcium salt of pimelic acid and/or suberic acid and/or a nanoscale iron oxide.38. The film as claimed in claim 34 , wherein the film contains propylene homopolymer and propylene block copolymer.39. The film as claimed in claim 35 , wherein the film contains 50% to 85% by weight of propylene homopolymer claim 35 , 15% to 50% by weight of propylene block copolymer and 50 to 10000 ppm of β-nucleation agent.40. The film as claimed in claim 34 , wherein the density of the film is in the range 0.1 to 0.5 g/cm.41. The film as claimed in claim 34 , wherein the thickness of the film is 10 to 100 μm.42. The film as claimed in claim 34 , wherein the propylene polymers are not produced using metallocene catalysts.43. The film as claimed in claim 34 , wherein the polyethylene is present in quantities of at least 5% by weight with ...

CRYSTALLINE POLYCARBONATE ARTICLES AND METHODS OF MAKING THE SAME

In an embodiment, an article comprises a crystalline polycarbonate, wherein the article has a polycarbonate crystallinity of greater than or equal to 10 wt % based on the total weight of the polycarbonate. In another embodiment, a method of making an article comprises adding a crystalline polycarbonate powder into a cavity of a compression mold; wherein the crystalline polycarbonate powder has a crystallinity of greater than or equal to 10 wt % based on the total weight of the crystalline polycarbonate powder; compressing the crystalline polycarbonate powder in the cavity at a compression temperature of greater than or equal to 10° C. less than the melting temperature of the crystalline polycarbonate powder (T≧T−10° C.) and at a compression pressure of greater than or equal to 1 MPa; and removing the article from the cavity. 1. An article comprising a crystalline polycarbonate , wherein the article has a polycarbonate crystallinity of greater than or equal to 10 wt % based on the total weight of the crystalline polycarbonate.2. The article of claim 1 , wherein the crystalline polycarbonate has one or more of: a heat of fusion of greater than or equal to 5 J/g claim 1 , a melting peak of greater than or equal to 205° C. claim 1 , a Vicat softening temperature of greater than or equal to 160° C.3. The article of claim 1 , wherein the article has a shortest dimension of greater than or equal to 0.2 millimeters.4. The article of claim 1 , wherein the article has an aspect ratio of a shortest dimension to a longest dimension of greater than or equal to 1:1.5. A method of making the article of claim 1 , comprising:adding a crystalline polycarbonate powder into a cavity of a compression mold; wherein the crystalline polycarbonate powder has an average particle size of 0.5 to 4,000 micrometers and a crystallinity of greater than or equal to 10 wt % based on the total weight of the crystalline polycarbonate powder;{'sub': comp', 'm, 'compressing the crystalline polycarbonate ...

CONTINUOUS CELLULOID TWIN SCREW EXTRUSION PROCESS

The present disclosure relates to a continuous extrusion process for producing a celluloid article including several steps and a celluloid article prepared by the continuous extrusion process. 1. A continuous extrusion process for producing a celluloid article comprising the steps of:providing a quantity of nitrocellulose;providing a quantity of camphor;providing an extruder defining a chamber, an opening for receiving materials into said chamber, at least two screws for mixing material in said chamber, and an extrusion die coupled to said chamber for extruding material located in said chamber; said chamber comprising a first zone, a second zone, a third zone and a devolatilization zone;introducing the nitrocellulose into said first zone of said chamber, said first zone being maintained at a temperature between about 5° C. and about 15° C.;dissolving said camphor in a low boiling point solvent and introducing said camphor solution into said first zone or said second zone of said chamber;adding an additional solvent to said first zone or said second zone;transporting the nitrocellulose into said second zone of said chamber;continuously mixing said nitrocellulose, camphor and solvent in the said second zone to form a mixture;transporting said mixture to said third zone of said chamber and further continuously mixing said mixture at a higher rate of mixing and temperature relative to said first zone;transporting said mixture to said devolatilization zone and extracting solvent from the mixture in said devolatilization zone by heating the mixture to above boiling points of said solvents;extruding said mixture through said die to produce a celluloid article; andremoving the solvents from said celluloid film.2. The process of wherein the low boiling point solvent is selected from the group consisting of a low molecular weight aliphatic ketone claim 1 , a low molecular weight aliphatic alcohol and mixtures thereof.3. The process of wherein the additional solvent is ...

METHOD AND DEVICE FOR MANUFACTURING TREATED FILM

A method for manufacturing a treated resin film from a long resin film, the method including at least treatment steps each including treating the long resin film by bringing the long resin film into contact with a treatment liquid in a treatment tank, while feeding the long resin film, wherein at least one of the treatment steps is a one-side contact step including bringing a lower surface of the resin film into contact with a surface of the treatment liquid in the treatment tank that is filled with the treatment liquid, and nip rolls are placed downstream of at least one one-side treatment tank for the one-side treatment step. The method is capable of satisfying the properties required of the treated film and also capable of reducing the occurrence of scratches, dents, and other defects. 110.-. (canceled)11. A method for manufacturing a treated resin film from a long resin film , the method comprising at least treatment steps each including treating the long resin film by bringing the long resin film into contact with a treatment liquid in a treatment tank , while feeding the long resin film , whereinat least one of the treatment steps is a one-side contact step including bringing a lower surface of the resin film into contact with a surface of the treatment liquid in the treatment tank that is filled with the treatment liquid, andnip rolls are placed downstream of at least one one-side treatment tank for the one-side contact step, and the one-side treatment tank is inclined that a downstream side of the one-side treatment tank is higher than an upstream side of the one-side treatment tank with respect to the direction in which the long resin film is fed.12. The method for manufacturing a treated resin film according to claim 11 , further comprising the step of removing liquid only from a lower surface of the treated film subsequent to the one-side contact step.13. The method for manufacturing a treated resin film according to claim 11 , wherein the one-side ...

Treatment of Polymeric Surfaces of Objects

There are disclosed methods for reforming a polymeric surface of an article formed, for example, by additive process molding, and articles read in accordance with this process. The reforming of the surface results in reduced surface roughness such that the article is similar in surface smoothness to an article made by injection molding. 1. A method for reducing roughness of a polymeric surface of an article produced by additive manufacturing , comprising:applying a liquid solvent by immersion of the polymeric surface of the article in the liquid solvent to create a gel layer; and,curing the gel layer to reform at least a portion of the polymeric surface by decreasing the roughness of the at least a portion of the polymeric surface.2. The method of claim 1 , additionally comprising: removing the solvent from the article.3. The method of claim 1 , wherein the curing includes heating the gel layer to at least the glass transition temperature of the polymer of the polymeric surface.4. The method of claim 1 , wherein the applying the liquid solvent by immersion includes immersing the article in a bath to create the gel layer.5. The method of claim 1 , wherein the applying the liquid solvent by immersion includes immersing the article into a flow of the liquid solvent to create the gel layer.6. The method of claim 1 , wherein the gel layer is of a thickness of the same order of magnitude as the roughness of the polymeric surface.7. The method of claim 6 , wherein the gel layer thickness is approximately 0.3 to 3 times the average roughness (Ra) of the polymeric surface.8. The method of claim 2 , wherein the removing the solvent includes removing substantially all of the solvent from the article prior to the completion of the curing of the gel layer.9. The method of claim 8 , wherein the removing the solvent is performed by a process selected from the group consisting of: heating and pulling a vacuum.10. The method of claim 1 , wherein the polymeric surface is selected ...

METHOD FOR PRODUCING A PERMANENTLY COLORED OBJECT HAVING A SILICONE SURFACE AND COLORED OBJECT PRODUCED ACCORDING TO THE METHOD

A permanently colored object having a silicone surface which is produced by means of the following steps: a) mixing coloring substances with a still cross-linkable silicone in order to form an application mixture, b) swelling the silicone surface by means of a solvent, c) applying the application mixture to the silicone surface, and d) performing the cross-linking of the silicone of the application mixture, which silicone penetrates the silicone surface. 1. A method for manufacturing a permanently colored article having a silicone surface , the method comprising:mixing color-conferring substances with a still crosslinkable silicone to form an application mixture;solvent swelling the silicone surface;applying the application mixture to the silicone surface after the solvent swelling;crosslinking the silicone of the application mixture as the application mixture penetrates into the silicone surface.2. The method as claimed in claim 1 , further comprising drying the application mixture before the crosslinking.3. The method as claimed in claim 1 , wherein the application mixture is formed with the solvent used to swell the silicone surface.4. The method as claimed in claim 1 , wherein the solvent for swelling the silicone surface is applied to the silicone surface as a constituent part of the application mixture.5. The method as claimed in claim 1 , wherein applying the application mixture is effected without any activating pretreatment of the silicone surface.6. The method as claimed in claim 1 , wherein crosslinking the silicone of the application mixture is effected under elevated temperature.7. The method as claimed in claim 1 , wherein the application mixture is both applied and crosslinked so as to penetrate into the swollen silicone surface and not form a coherent layer covering the silicon surface.8. The method as claimed in claim 1 , wherein the application mixture is applied by painting or spraying.9. The method as claimed in claim 1 , wherein during ...

METHOD TO ACTIVATE SILICONE RUBBER SURFACES

A method for activating silicone rubber surfaces comprising steps of: 2. The method according to wherein the hydrolytically labile bond is present in the form of a —Si—O—Si— bond claim 1 , or as a hydrolysable group linked to a Si atom selected from the group consisting of halogens claim 1 , methoxy groups claim 1 , ethoxy groups claim 1 , other alkoxy groups claim 1 , amines claim 1 , thiols and combinations thereof.3. The method according to claim 1 , wherein the reactive silane comprises a functional group selected from the group consisting of primary claim 1 , secondary or tertiary amines claim 1 , thiols claim 1 , hydroxyls claim 1 , carboxyl groups and combinations thereof.4. The method according to claim 1 , wherein the reactive silane comprises a functional group selected from the group consisting of mono- or poly-unsaturated ethylenic functionalities claim 1 , allyl claim 1 , acrylic claim 1 , vinylic and epoxide functionalities and combinations thereof.5. The method according to claim 1 , wherein the reactive silane comprises an amine functional group.6. The method according to claim 1 , wherein the amount of reactive silane in the solution is from 0.5 to 20 wt %.7. The method according to claim 1 , wherein the reactive silane is dispersed or dissolved in the silicone rubber swelling solvent.8. The method according to claim 1 , wherein the reactive silane comprises a reactive silane according to Formula (I).9. The method according to claim 1 , wherein the reactive silane comprises a reactive silane according to Formula (II).10. The method according to claim 1 , wherein the silicone rubber swelling solvent is capable of causing a swelling ratio of the silicone rubber matrix of higher than 1.05.11. The method according to claim 1 , wherein the silicone rubber swelling solvent is capable of causing a swelling ratio of the silicone rubber matrix of higher than 1.10.12. The method according to claim 1 , wherein the silicone rubber swelling solvent is capable of ...

Method and Apparatus for Recylcing Laminated Glass

A method for recycling of glass laminates () is disclosed. The glass laminates () comprise at least one glass layer () and at least one polymer layer (). The method comprises mechanical removal of at least part of the glass (), placing residual waste () with glass particles in a vat () comprising a separation fluid () to produce a mixture of glass particles and polymer pieces from the residual waste, from which the polymer pieces can be screened off, washed and dried for reuse. The separation fluid () comprises water and at least one alcohol. 1. A method for the separation of at least one polymer layer from at least one glass layer in a laminate comprising:placing the laminate in a vat comprising a separation fluid, wherein the separation fluid comprises a mixture of water and at least one of butyl glycol or butyl diglycol.2. The method of claim 1 , wherein at least one of the at least one polymer layer made of polyvinyl butyral (PVB).3. A method for recycling laminated glass comprising at least one polymer layer and at least one glass layer claim 1 , wherein the method comprises:shredding the laminated glass to produce glass and residual waste comprising polymer pieces with embedded glass particles;adding the residual waste a vat comprising a separation fluid to produce a mixture of glass particles from the glass layers and polymer pieces from the polymer layer, the separation fluid comprising water and at least one alcohol.4. The method of claim 3 , further comprising sieving claim 3 , washing and drying the polymer pieces from the mixture.5. The method of claim 3 , wherein at least one of the at least one polymer layers is made of polyvinyl butyral (PVB).6. The method of claim 3 , wherein the alcohol is selected from the group of water-soluble alcohols consisting of butyl diglycol and butyl glycol.7. The method of claim 3 , further comprising treatment of the washing water to enable re-use of the washing water.8. The method of claim 3 , further comprising ...

POLYMERIC SURFACE REPAIRER AND PROTECTANT COMPOSITIONS

The present disclosure provides a polymeric surface repairer and protectant composition for restoring faded and worn polymeric surfaces. In one example, the polymeric surface is a polymeric surface used in an automotive application. The polymeric surface repairer and protectant composition may clean the polymeric surface, etch the top layer of the polymeric surface, adhere to the etched polymeric surface, and become embedded in the polymeric surface once the polymeric surface hardens to produce a restored polymeric surface. The polymeric surface repairer and protectant composition may include a thinner component and a protective component. The polymeric surface repairer and protectant composition may further include an oil component. As an alternative to or in addition to the oil component, the polymeric surface repairer and protectant composition may include a drying component. In some embodiments, the polymeric surface repairer and protectant composition may further include a coloring component, a paint reducer component, a dispersant component, and/or a surfactant component. 155.-. (canceled)56. A polymeric surface application composition comprising , by volume of the composition:10% to 55% of at least one thinner component;1% to 35% of at least one oil; and1% to 30% of at least one protective component.57. The polymeric surface application composition of claim 56 , wherein the at least one thinner component comprises mineral spirits.58. The polymeric surface application composition of claim 56 , wherein the at least one oil comprises natural oil.59. The polymeric surface application composition of claim 56 , wherein the at least one protective component comprises at least one of an acrylic polymer claim 56 , urethane claim 56 , polyurethane claim 56 , or mixture thereof.60. The polymeric surface application composition of claim 56 , further comprising 1% to 30% by volume of at least one paint reducer.61. The polymeric surface application composition of claim 56 ...

SUBSTRATE PRE-TREATING USING PHOTOINITIATORS

A method for preparing a coated substrate that includes (a) applying a photoinitiator to a surface of a substrate; (b) exposing the photoinitiator to ultraviolet or ultraviolet-visible radiation to activate the photoinitiator and form a pre-treated surface; and (c) applying a coating composition to the pre-treated substrate to form a coated substrate. The coating composition may be a nanoparticle-containing emulsion. 1. A method for preparing a coated substrate comprising:(a) applying a photoinitiator to a surface of a substrate;(b) exposing the photoinitiator to ultraviolet or ultraviolet-visible radiation to activate the photoinitiator and form a pre-treated surface; and(c) applying a coating composition to the pre-treated substrate to form a coated substrate.2. The method of wherein the coating composition comprises an emulsion that includes nanoparticles dispersed in a liquid claim 1 , where the liquid comprises (i) an oil phase comprising a solvent that is non-miscible with water and (ii) a water phase comprising water or a water-miscible solvent. This application claims the benefit of U.S. Provisional Application Ser. No. 61/828,379, filed May 29, 2013. The disclosure of the prior application is considered part of (and is incorporated by reference in) the disclosure of this application.This invention relates to pre-treating substrates prior to coating.Coating processes often require treating the substrate prior to coating to improve properties such as adhesion, wetting uniformity, and compatibility between the substrate and the coating. Such pre-treatments may alter the nature of the substrate surface by modifying the surface chemistry. Known pre-treatments include chemical primers, corona exposure, plasma exposure, and ultraviolet (UV) exposure. The pre-treatment may be done in line with the coating step, or may be done separately.UV activation of polyethylene terephthalate (PET) substrates prior to coating with a self-assembling emulsion to form a ...

Method and Apparatus for Recycling Packaging Material

A method for recycling of packaging material () is disclosed. The packaging material () comprises a multiple layer material () comprising a metal layer (), at least one polymer layer () and, optionally, a paperboard layer (). The method comprises placing the residual waste in a vat () comprising a separation fluid () to produce a mixture of metal shreds from the metal layer (), plastic shreds from the polymer layer () and residual components. The separation fluid comprises a mixture comprising at least one swelling agent and at least one carboxylic acid. 1. A method for the separation of a metal layer from a polymer layer in a multiple layer material comprising:placing the multiple layer material in a vat comprising a separation fluid, wherein the separation fluid comprises a mixture comprising at least one swelling agent and at least one carboxylic acid.2. The method of claim 1 , wherein the swelling agent is at least one of a hydrocarbon solvent claim 1 , selected from the group consisting of aromatic hydrocarbons claim 1 , such as toluene claim 1 , xylene claim 1 , ethylbenzene or solvents of the solvent naphtha types claim 1 , alicyclic hydrocarbons claim 1 , such as cyclohexane or decalin claim 1 , olefins claim 1 , terpenes claim 1 , and acyclic aliphatic hydrocarbons claim 1 , or mixtures thereof claim 1 , or an aprotic solvent selected from the group consisting of ketones claim 1 , esters and ethers.3. The method of claim 1 , wherein separation fluid further comprises water and at least one surfactant.4. The method of claim 3 , wherein separation fluid is a microemulsion.5. The method of claim 3 , wherein the at least one surfactant is selected from the group of anionic surfactants consisting of alkyl sulfonates and sulfates claim 3 , alkylbenzene sulfonates and sulfates claim 3 , olefin sulfonates claim 3 , alkyl ether sulfonates and sulfates claim 3 , or mixtures thereof.6. The method of claim 1 , wherein the at least one carboxylic acid is selected from ...

THREE-DIMENSIONAL NANOFABRICATION BY PATTERNING OF HYDROGELS

The present invention enables three-dimensional nanofabrication by isotropic shrinking of patterned hydrogels. A hydrogel is first expanded, the rate of expansion being controlled by the concentration of the crosslinker. The hydrogel is then infused with a reactive group and patterned in three dimensions using a photon beam through a limited-diffraction microscope. Functional particles or materials are then deposited on the pattern. The hydrogel is then shrunk and cleaved from the pattern. 1. A method for three-dimensional patterning of hydrogels , the method comprising the steps of:a. providing a polymer gel material; andb. infusing the polymer gel material with at least one reactive group to form reactive group sites; andc. illuminating selected voxels within the polymer gel material to yield a three-dimensional pattern of reactive group sites anchored to the polymer gel material; andd. removing excess reactive groups from the polymer gel material; ande. depositing functional molecules or nanoparticles on the reactive group sites.2. The method of claim 1 , wherein the reactive group is attached to the polymer gel material by a reaction between a fluorophore compound and the polymer gel material.3. The method of claim 1 , wherein the polymer gel material is swellable.4. The method of claim 3 , further comprising the step of expanding the swellable polymer gel material to yield an expanded material.5. The method of claim 4 , further comprising the step of shrinking the expanded material to yield a shrunken material.6. The method of claim 5 , wherein shrinking the expanded material is achieved by exposing the expanded material to high salt or hydrochloric acid.7. The method of claim 6 , further comprising the step of dehydrating the shrunken material where hydrochloric acid was used to shrink the expanded material.8. The method of claim 1 , wherein the polymer gel material comprises a crosslinker.9. The method of claim 8 , wherein the crosslinker of the polymer gel ...

METHOD FOR MANUFACTURING ROOM TEMPERATURE SHRINKABLE TUBE USING WATER AND EXPANSION AGENT AND FLEXIBLE BUSBAR USING THE SAME

This invention relates to a method for manufacturing a room temperature shrinkable tube using water and an expansion agent and a flexible busbar using the same, and is constituted by including a busbar core and a shrinkable tube as main configurations. The shrinkable tube is expanded using an aqueous system of immersing and expanding the shrinkable tube in a solution mixed with water and an expansion agent for a predetermined time, the expanded shrinkable tube is naturally shrunk at room temperature and simply tubed on an outer circumferential surface of a busbar core to be insulated and coated, and in particular, the busbar core maintains the integrity with the shrinkable tube by a structure engaging with an intaglio-relief structure by a shrinkage force of the shrinkable tube so as to prevent deformation including lifting and wrinkling of the shrinkable tube when the shape of the busbar is deformed. 215-. (canceled)16. The flexible busbar according to claim 1 , wherein claim 1 , in the saturated aqueous solution claim 1 , the expansion agent is an agent taken from the group consisting of methylene chloride claim 1 , ethyl acetate claim 1 , and methyl ethyl ketone.172020. The flexible busbar according to claim 1 , wherein the saturated aqueous solution is 22 L per 1 kg of the shrinkable tube claim 1 , and the expansion agent is 0.96 L per 1 kg of the shrinkable tube .18. A method for manufacturing a flexible busbar using a room temperature shrinkable tube to be insulated and coated by tubing the shrinkable tube on an outer circumferential surface of a busbar core of claim 1 , the method comprising the steps of:measuring a weight of the shrinkable tube;preparing the saturated aqueous solution in which a predetermined amount of the water and the expansion agent is mixed depending on the measured weight of the shrinkable tube;containing the saturated aqueous solution prepared in preceding step in a processing container;further adding a predetermined additional amount ...

POLYESTER RECYCLING PROCESS WITH PRE-REACTION PURIFICATION

A depolymerization reaction of a polyester input with an organocatalyst and an alcohol solvent produces (i) a recycled monomeric or oligomeric diester from the polyester, (ii) the organocatalyst for reuse, and (iii) the alcohol solvent, which may also be reused. The presence of volatile impurities, such as water, acetyl aldehyde, and organic solvents can interfere with the success of the depolymerization reaction. A pre-reaction distillation step removes volatile impurities from the polyester input resulting in an efficient depolymerization reaction with consistency among batches. The polyester input may be further treated with a water azeotrope to remove water from the polyester input prior to the pre-reaction distillation. 1. A method comprising:treating a material comprising a polyester with distillation to remove volatile impurities from the material;depolymerizing the distilled material with an organocatalyst and an alcohol solvent; andrecovering reaction products from the depolymerization comprising a monomeric or oligomeric diester from the polyester, the organocatalyst for reuse, and the alcohol solvent as an unreacted by-product of the depolymerization.2. The method of claim 1 , wherein the volatile impurities are selected from the group consisting of water claim 1 , acetaldehyde claim 1 , acetaldehyde acetals claim 1 , organic solvents claim 1 , and combinations thereof.3. The method of claim 2 , wherein the organic solvents are selected from the group consisting of dichloromethane (DCM) claim 2 , hexafluoro-2-propanol (HFIPA) claim 2 , diethyl ether claim 2 , alkanes claim 2 , toluene claim 2 , xylene claim 2 , and combinations thereof.4. The method of claim 1 , wherein the organocatalyst is an amine organocatalyst and/or carboxylic acid salt of same.5. The method of claim 4 , wherein the amine of the amine organocatalyst and/or carboxylic salt of same is a tertiary amine and the alcohol solvent is a glycol and/or a diol.6. The method of claim 4 , wherein ...

METHOD FOR MANUFACTURING SEPARATOR, SEPARATOR, AND BATTERY USING SEPARATOR

A method for manufacturing a polyolefin-based porous separator includes forming a sheet containing a polyolefin-based resin and a diluent, extracting the diluent from the sheet by using an extracting apparatus, and forming a separator by drying the extracted sheet using a drying apparatus provided with an inlet. The shortest distance between an outlet of the extracting apparatus and an inlet of the drying apparatus may be 100 mm or less. 1. A method for manufacturing a polyolefin-based porous separator , the method comprising:forming a sheet containing a polyolefin-based resin and a diluent;extracting the diluent from the sheet by using an extracting apparatus; andforming a separator by drying the extracted sheet using a drying apparatus provided with an inlet,wherein the shortest distance between an outlet of the extracting apparatus and an inlet of the drying apparatus is 100 mm or less.2. The method as claimed in claim 1 , wherein the diluent is a liquid paraffin.3. The method as claimed in claim 1 , wherein the drying apparatus is a drying roll.4. The method as claimed in claim 1 , wherein the extracting of the diluent from the separator includes immersing the separator into a solvent layer in the extracting apparatus.5. The method as claimed in claim 4 , wherein the solvent layer includes a water layer formed on an organic solvent layer or an upper layer portion of the organic solvent.6. The method as claimed in claim 4 , wherein the shortest distance between a surface of the solvent layer and an inlet of the drying apparatus is 100 mm or less.7. A method for manufacturing a polyolefin-based porous separator claim 4 , the method comprising:forming a sheet containing a polyolefin-based resin and a diluent;extracting the diluent from the sheet;forming a separator by drying the extracted separator using a drying apparatus provided with an inlet; andsupplying water to the separator after the extracting of the diluent and before the drying of the extracted separator ...

POLARIZER PRODUCTION METHOD

A method is provided to produce a polarizer having non-polarization portion that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, the method enabling high-precision and easy production of a desired non-polarization portion shape. The method of producing a polarizer of the present invention includes bringing, under a state in which a resin film containing a dichromatic substance is covered with a surface protective film so that at least part thereof is exposed, a basic solution into contact with the exposed portion. In one embodiment, the exposed portion is subjected to a surface modification treatment at a time of the contact. In one embodiment, a contact angle between the exposed portion and the basic solution is 50° or less. 1. A method of producing a polarizer , comprising bringing , under a state in which a resin film containing a dichromatic substance is covered with a surface protective film so that at least part thereof is exposed , a basic solution into contact with the exposed portion , wherein the exposed portion is subjected to a surface modification treatment at a time of the contact.2. The method of producing a polarizer according to claim 1 , further comprising subjecting the resin film covered with the surface protective film to the surface modification treatment.3. The method of producing a polarizer according to claim 1 , wherein the surface modification treatment comprises a corona treatment.4. The method of producing a polarizer according to claim 1 , wherein the surface modification treatment comprises application of a surface modifier.5. The method of producing a polarizer according to claim 4 , wherein the surface modifier comprises an organosilane compound.6. The method of producing a polarizer according to claim 1 , wherein a contact angle between the exposed portion and the basic solution is 50° or less.7. A method of producing a polarizer claim 1 , comprising ...

APPARATUS FOR MANUFACTURING LAMINATE AND METHOD FOR MANUFACTURING LAMINATE

This apparatus for manufacturing a laminate comprises: a first sheet transporting device for transporting a first sheet; a water supply device for supplying an aqueous medium to the surface of the first sheet coated with a silane coupling agent and/or the surface of a second sheet coated with a silane coupling agent; and a laminating device for attaching the first sheet and the second sheet which have been supplied with the aqueous medium. 1. An apparatus for manufacturing a laminate , the apparatus comprising:a first sheet transporting device for transporting a first sheet;a water supply device for supplying an aqueous medium to a surface of a first sheet coated with a silane coupling agent and/or a surface of a second sheet coated with a silane coupling agent; anda laminating device for bonding the first sheet and the second sheet, which have been supplied with the aqueous medium, to each other.2. The apparatus for manufacturing a laminate according to claim 1 , which comprises a coating device for coating a first sheet with a silane coupling agent.3. The apparatus for manufacturing a laminate according to claim 1 , which comprises a first cleaning device for cleaning a first sheet before being supplied with an aqueous medium.4. The apparatus for manufacturing a laminate according to claim 1 , which comprises a second cleaning device for cleaning a second sheet before being supplied with an aqueous medium.5. A method for manufacturing a laminate claim 1 , which is a method for manufacturing a laminate including a first sheet and a second sheet claim 1 , the method comprising:a step A of supplying an aqueous medium to a surface of a first sheet coated with a silane coupling agent and/or a surface of a second sheet coated with a silane coupling agent; anda step B of bonding the first sheet and the second sheet, which have been supplied with the aqueous medium, to each other.6. The method for manufacturing a laminate according to claim 5 , which comprises a step X-1 ...

METHOD FOR FABRICATING SOLID PHOTONIC CRYSTALS

A method, i.e., trapping of structural coloration (TOSC), for fabricating solid 3D network-structured photonic crystals featuring tunable visible structural colorations includes the steps: a PS-PVP copolymer is dissolved in a chloride-containing solvent and is cast as an initial film, the copolymer self-assembles into 3D periodic network-structured morphology; the copolymer in the initial film is swollen in a polar solvent to form a solvated film; the solvated film is dried to form a solid photonic crystal. During evaporation of the polar solvent, the PVP blocks of the copolymer become glassy and form a thin glassy layer on the surface of the solvated film such that the 3D network structures of the copolymer in solvated state can be preserved into the solid photonic crystal revealing the similar periodicity and dimension to that in solvated state, which is very distinct from the film having 1D lamellar structure. 1. A method for fabricating solid photonic crystals comprising:preparing a copolymer solution by dissolving a polystyrene-block-polyvinylpyridine (PS-PVP) copolymer in a chloride-containing solvent;casting the copolymer solution on a substrate to form an initial film, the PS-PVP copolymer self-assembles into 3D periodic network structures having a periodicity corresponding to non-visible wavelengths in the initial film;swelling the initial film, the initial film is soaked in a polar solvent to swell the PS-PVP copolymer such that the initial film becomes a solvated film, wherein the periodicity of the 3D network structures in the solvated film is higher than that in the initial film; anddrying the solvated film, the solvated film becomes a solid photonic crystal when the polar solvent is evaporated completely, wherein PVP blocks in the PS-PVP copolymer become glassy during evaporation of the polar solvent such that the periodicity of the 3D network structures in the solid photonic crystal is preserved between that in the initial film and the solvated film ...

RECYCLED POLYURETHANE ELASTIC FIBER, METHOD OF PRODUCING SAME, FIBER STRUCTURE CONTAINING SAID RECYCLED POLYURETHANE ELASTIC FIBER, GATHER MEMBER, AND SANITARY MATERIAL

The present disclosure pertains to a recycled polyurethane elastic fiber for which raw-material polyurethane elastic fiber is used as a raw material, wherein the recycled polyurethane elastic fiber is characterized in that the recycled polyurethane elastic fiber has a reduced viscosity of 1.00 or more, and the total amount of mineral oil and silicone oil remaining in the fiber interior after the recycled polyurethane elastic fiber has been rinsed with petroleum ether is 10 wt % or less with respect to the fiber weight after the rinsing. The present disclosure also pertains to: a method of producing the recycled polyurethane elastic fiber; a fiber structure containing said recycled polyurethane elastic fiber; a gather member; and a sanitary material. 1: A recycled polyurethane elastic fiber from raw material polyurethane elastic fibers used as a raw material , wherein a reduced viscosity of the recycle polyurethane elastic fiber is 1.00 or more , and a total amount of mineral oil and silicone oil remaining inside the fiber after rinsing the recycled polyurethane elastic fiber with a petroleum ether is 10 wt % or less relative to a fiber weight after the rinsing.2: The recycled polyurethane elastic fiber according to claim 1 , wherein the total amount of mineral oil and silicone oil remaining inside the fiber after rinsing with the petroleum ether is 0.1 wt % or more relative to the fiber weight after the rinsing.3: A method for the production of the recycled polyurethane elastic fiber according to claim 1 , wherein a dope containing a solvent having dissolved therein raw material polyurethane elastic fibers is used as a raw material of a spinning solution in production of the recycled polyurethane elastic fiber claim 1 , and polyurethane elastic fibers containing mineral oil and silicone oil with a total content thereof being 20 wt % or less are used as the raw material polyurethane elastic fibers.4: The method according to claim 3 , wherein polyurethane elastic ...

PROCESS FOR TREATING A MATERIAL CHOSEN FROM AMONG A POLYAMIDE, A POLYESTER AND A POLY(METH)ACRYLATE

This invention relates to a treatment process for a material chosen from among a polyamide, a polyester and a poly(meth)acrylate. 1. A process for the treatment of a material of a component of an electrical appliance to impart improved moisture resistance properties to the material , the material being chosen from among a polyamide , a polyester and a poly(meth)acrylate , the process comprising a first step in which contact is made between the material and a polar organic solvent in a first supercritical fluid.2. A process according to claim 1 , wherein the material is a composite material containing fillers.3. A process according to claim 2 , wherein the fillers are silica fillers.4. A process according to claim 2 , wherein the fillers are in the form of particles claim 2 , fibers or in the form of mixtures thereof.5. A process according to claim 2 , wherein the proportion by mass of the fillers is greater than or equal to 20% m claim 2 , advantageously between 25% m and 60% m and claim 2 , preferably claim 2 , between 30% m and 50% m claim 2 , relative to the total mass of the composite material.6. A process according to claim 1 , wherein the polar organic solvent is a protic polar organic solvent claim 1 , advantageously an alcohol and claim 1 , preferably claim 1 , methanol or ethanol.7. A process according to claim 1 , wherein the polar organic solvent is an aprotic polar organic solvent claim 1 , advantageously chosen from among a ketone claim 1 , an ether and a chloroalkane claim 1 , the ketone and the ether being claim 1 , preferably and respectively claim 1 , acetone and tetrahydrofuran.8. A process according claim 1 , wherein the first supercritical fluid is chosen from among carbon dioxide claim 1 , methane claim 1 , propane claim 1 , butane claim 1 , dinitrogen and dimethyl ether and claim 1 , advantageously claim 1 , from among carbon dioxide and butane.9. A process according to claim 1 , wherein the first step is carried out at a temperature of between ...

Extremely Compliant Yet Tough Hydrogel Systems as Ultrasound Transmission Agents

Method for making a tough and compliant hydrogel. A precursor hydrogel is made of a first polymer selected to maintain high elasticity and a second polymer selected to dissipate mechanical energy. The precursor hydrogel is stretched to a multiple of its original length to form a pre-stretched hydrogel. The pre-stretched hydrogel is allowed to relax and is soaked in a biocompatible solvent to reach equilibrium swelling of the pre-stretched hydrogel whereby shear modulus of the hydrogel is reduced. 1. Method for making a tough and compliant hydrogel comprising:combining a long chain polymer network selected to maintain high elasticity and a sacrificial chain polymer network to dissipate mechanical energy to form an interpenetrating hydrogel;stretching the interpenetrating hydrogel to a multiple of its original length to form a pre-stretched hydrogel;allowing the pre-stretched hydrogel to relax; andsoaking the relaxed hydrogel in a biocompatible medium to reach equilibrium swelling of the hydrogel whereby shear modulus of the hydrogel is reduced.2. The method of including multiple stretching and relaxing steps.3. The method of including a second stretching wherein the second stretching is greater than the first stretching.4. The method of wherein the multiple of its original length is in the range of 2-10.5. The method of wherein the long chain polymer network is selected from the group consisting of polyacrylamide claim 1 , polyethylene glycol claim 1 , poly (vinyl alcohol) claim 1 , poly (N-isopropyl acrylamide) claim 1 , and poly (2-hydroxyethylmethacrylate).6. The method of wherein the sacrificial chain polymer network is selected from the group consisting of alginate claim 1 , hyaluronic acid claim 1 , collagen claim 1 , agarose claim 1 , gelatin claim 1 , fibrin and chitosan.7. Hydrogel made by the method of - used as an ultrasound transmission agent. This application claims priority to U.S. provisional application Ser. No. 62/095243 filed on Dec. 22, 2014, the ...

PROTECTION TUBE FOR COIL SPRING OF CAR SUSPENSION, METHOD FOR MANUFACTURING COIL SPRING OF CAR SUSPENSION, AND COIL SPRING OF CAR SUSPENSION MANUFACTURED USING THE SAME

A protection tube for a coil spring of a car suspension that is tapered is provided where the inner diameter of the protection tube is larger than the inner diameter of the protection tube, the protection tube has a spiral groove or protrusion formed along the outer peripheral surface thereof. A method for manufacturing a coil spring of a car suspension includes the steps of: impregnating a protection tube for a coil spring of a car suspension into a composition comprising 45 to 65 wt % of a swelling promotion solvent, 30 to 54 wt % of a swelling control solvent, and 0 to 5 wt % of a lubricating additive to obtain the swelled protection tube; fitting the swelled protection tube to the coil spring of the car suspension to obtain an assembled body; and drying the assembled body in the air. 1. A protection tube for a coil spring of a car suspension , the protection tube being tapered wherein the inner diameter of the protection tube on one side end portion thereof is larger than the inner diameter of the protection tube on the other side end portion thereof , the protection tube has a spiral groove or protrusion formed along the outer peripheral surface thereof , the protection tube comprises one or more selected from the group consisting of polyester resin containing polycaprolactone and polyadipate and polyether resin containing polytetramethylene glycol , polyethylene glycol and polypropylene glycol , a distance between the adjacent spiral grooves or protrusions is in the range of 10 to 30 mm , a depth of the spiral groove or a height of the spiral protrusion is in the range of 0.4 to 1 mm , and the ratio of the depth of the spiral groove or the height of the spiral protrusion to the thickness of the protection tube is in the range between 0.2:1 and 0.4:1.2. A method for manufacturing a coil spring of a car suspension , the method comprising the steps of:impregnating a protection tube for a coil spring of a car suspension into a composition comprising 45 to 65 wt % ...

CROSSLINKED RANDOM COPOLYMER FILMS FOR BLOCK COPOLYMER DOMAIN ORIENTATION

Surface-modifying layers, including neutral layers for vertical domain-forming block copolymers of styrene and methyl methacrylate are provided. Also provided are self-assembled block copolymer structures incorporating the surface modifying layers, methods of fabricating such structures and methods of using the structures in BCP lithography applications. The surface-modifying layers comprise a crosslinked copolymer film, wherein the crosslinked copolymers are random copolymers polymerized from styrene monomers and/or (meth)acrylate monomers and crosslinkable epoxy group-functionalized monomers. The crosslinked copolymer films are characterized by a high content of the crosslinkable epoxy group-functionalized monomer. 1. A method of forming a self-assembled block copolymer film , the method comprising:forming a crosslinked copolymer film on a substrate surface, the crosslinked copolymer film comprising crosslinked random copolymer chains, wherein the random copolymer chains comprise styrene monomers copolymerized with crosslinkable epoxy group-functionalized monomers and, optionally, one or more additional monomers, wherein the epoxy group-functionalized monomers are acrylate monomers, methacrylate monomers or styrenic monomers and further wherein the epoxy groups are linked to the monomers by a non-cyclic linking group; the random copolymer chains comprising at least 5% of the epoxy group-functionalized monomers and no greater than 5% of the additional monomers;depositing a block copolymer over the crosslinked copolymer film, wherein the block copolymer comprises copolymerized styrene monomers and further wherein the crosslinked copolymer film provides a neutral layer for the self-assembly of the block copolymer into vertical domains; andsubjecting the block copolymer to conditions that induce the block copolymer to self-assemble into vertical domains.2. The method of claim 1 , wherein the random copolymer chains comprise at least 10% of the epoxy group- ...

PROCESS FOR THE IMPREGNATION OF POLYMER SUBSTRATES

Process for the impregnation of a polymer substrate including at least one polymer, which comprises putting said polymer substrate in contact with at least one aqueous emulsion, preferably an aqueous microemulsion, including at least one organic additive. The impregnated polymer substrate obtained from said process can be advantageously used for obtaining polymer end-products having improved aesthetic characteristics (for example, impregnation with at least one dye) or stability characteristics (for example, impregnation with at least one stabilizer), which can be used in various fields such as, for example, the optical field (e.g., advanced optical components, laser applications), the medical field (e.g., the release of pharmaceutical substances), the agricultural field (e.g., release of pesticides), fragrances (e.g., release of fragrances). More specifically, said polymer substrate can be used in luminescent solar concentrators (LSCs) which, in their turn, can be advantageously used together, for example, with photovoltaic cells (or solar cells), or photoelectrolytic cells, in solar devices (i.e. devices for exploiting solar energy). Furthermore, said luminescent solar concentrators (LSCs) can be advantageously used together, for example, with photovoltaic cells (or solar cells), in photovoltaic windows. 1: A process for impregnating a polymer substrate , the process comprising:contacting the polymer substrate comprising a polymer with at least one aqueous emulsion comprising an organic additive.2: The process according to claim 1 , wherein the polymer is selected from the group consisting of a polyacrylate claim 1 , a polycarbonate claim 1 , a polystyrene claim 1 , a styrene-acrylonitrile copolymer claim 1 , or a mixture thereof.3: The process according to claim 1 , wherein the organic additive is a photoluminescent dye.4: The process according to claim 3 , wherein the photoluminescent dye is selected from the group consisting of a benzothiadiazole compound claim ...

METHODS AND COMPOSITIONS RELATING TO TUNABLE NANOPOROUS COATINGS

Described herein are methods and compositions relating to tunable nanoporous coatings. In certain aspects, described herein are methods and compositions wherein a tunable nanoporous coating comprises a tunable nanoporous membrane which transitions from opaque to transparent upon the application of force, and from transparent to opaque after washing with a solvent. 1. A method for fabricating a tunable polymer membrane , comprising:forming at least one silica layer with silica nanoparticles;transferring the at least one silica layer onto at least one first surface of one or more substrates;creating a volume between the first surface and at least one opposing second surface of a second substrate;adding a monomer composition into the volume between the opposing first and second surfaces;polymerizing the monomer composition with a polymerization method to form a tunable polymer membrane; andremoving the at least one silica layer on the one or more substrates with the first solvent.2. The method of claim 1 , further comprising:washing the tunable polymer membrane with a second solvent after removing the silica layers.3. The method of claim 1 , wherein the silica nanoparticles are SiOnanoparticles with a diameter of about 100 nm to about 10 claim 1 ,000 nm.4. The method of claim 1 , wherein the silica layer is a monolayer of colloidal silica crystals.5. The method of claim 1 , wherein the one or more substrates comprise glass.6. The method of claim 1 , further comprising transferring the at least one silica layer onto at least one second surface of the second substrate.7. The method of claim 1 , wherein the monomer composition comprises polymerized polyethylene glycol diacrylate (PEGDA) claim 1 , polyethylene glycol (600) diacrylate (PEGDA 600) claim 1 , ethoxylated trimethylolpropane triacrylate (ETPTA) claim 1 , ethoxylated (20) trimethylolpropane triacrylate (ETPTA 20) claim 1 , or a combination thereof.8. The method of claim 1 , wherein the first solvent is 2% ...

PROSTHETIC TISSUE VALVE AND METHOD OF TREATING THE SAME

A prosthetic tissue valve and a method of treating the prosthetic tissue valve are provided. The method includes: decreasing a temperature of a chamber carrying the prosthetic tissue valve from a first preset temperature to a second preset temperature in a first cooling rate; decreasing the temperature of the chamber carrying the prosthetic tissue valve from the second preset temperature to a third preset temperature in a second cooling rate; and performing a drying process to the prosthetic tissue valve. The second preset temperature is a critical crystallization temperature and is greater than a crystallization temperature of the prosthetic tissue valve. The third preset temperature is lower than the crystallization temperature of the prosthetic tissue valve, and the second cooling rate is greater than the first cooling rate. 1. A method of treating a prosthetic tissue valve , comprising:decreasing a temperature of a chamber carrying the prosthetic tissue valve from a first preset temperature to a second preset temperature in a first cooling rate, such that the prosthetic tissue valve is cooled, wherein the second preset temperature is greater than a crystallization temperature of the prosthetic tissue valve, and the second preset temperature is a critical crystallization temperature;decreasing the temperature of the chamber carrying the prosthetic tissue valve from the second preset temperature to a third preset temperature in a second cooling rate, such that the prosthetic tissue valve is further cooled, wherein the third preset temperature is lower than the crystallization temperature of the prosthetic tissue valve, and the second cooling rate is greater than the first cooling rate; andperforming a drying process to the prosthetic tissue valve.2. The method according to claim 1 , wherein the prosthetic tissue valve is cooled by performing operations of:spraying liquid nitrogen with a mist form uniformly into an inside of the chamber carrying the prosthetic ...

SMOOTHING OF A SURFACE OF AN ARTICLE FORMED FROM A PLASTIC

A device and method for smoothing a surface of an article formed at least partially from plastic, in particular a component of a motor vehicle, is provided. The method includes arranging the article in a vacuum-tight chamber, reducing the pressure in the chamber to a partial vacuum of not more than 50 kPa, in particular not more than 34 kPa, and admitting acetone into the chamber. Some of the acetone is vaporized and the vapor is precipitated on the surface of the article. In one form, the precipitated vapor acts on the article for at least 1 minute. The method further includes opening the chamber, so that at least the ambient pressure prevails in the chamber and removing the article from the chamber. 1. A method for smoothing a surface of an article formed at least partially from a plastic , in particular a component of a motor vehicle , comprising:arranging the article in a vacuum-tight chamber;reducing pressure in the chamber to a partial vacuum to at most 50 kPa;admitting acetone into the chamber, wherein at least some of the acetone is vaporized and the acetone vapor is precipitated on a surface of the article;allowing the precipitated acetone vapor to act on the article for at least 1 minute;opening the chamber so that at least ambient pressure is in the chamber; andremoving the article from the chamber.2. The method as claimed in claim 1 , wherein the pressure is reduced at most to 34 kPa.3. The method as claimed in claim 1 , wherein the pressure is reduced at most to 40 kPa.4. The method as claimed in claim 1 , wherein when the chamber is opened claim 1 , excess pressure of at least 2 bar is established in the chamber.5. The method as claimed in claim 1 , wherein the pressure is reduced by sucking air out of an air area of a working chamber.6. The method as claimed in claim 5 , wherein the working chamber further includes an acetone area and a movable divider between the air area and the acetone area to separate the air area and the acetone area claim 5 , ...

Reactivation of co-cured film layers

The present disclosure is directed to a method for reactivating a co-cured film layer disposed on a composite structure, the method comprising applying a reactivation treatment composition comprising at least two solvents and a surface exchange agent comprising a metal alkoxide or chelate thereof to the co-cured film layer, and allowing the reactivation treatment composition to create a reactivated co-cured film layer, wherein the co-cured film layer was previously cured at a curing temperature greater than about 50° C. A reactivated co-cured film layer and an aircraft part having a reactivated co-cured film layer are also provided.

METHOD OF PRODUCING A DELIVERY DEVICE

A method of producing a delivery device for delivering a chemical compound includes i) providing an interpenetrating polymer substrate (IP substrate) having a first continuous polymer comprising rubber and a second polymer having hydrogel or a hydrogelable precursor, where the second polymer is interpenetrating in the first polymer; ii) providing the chemical compound and a loading solvent for the chemical compound; and iii) loading the IP substrate with the chemical compound by subjecting the IP substrate to the loading solvent having the chemical compound under conditions where the loading solvent at least partially swells the second polymer. The chemical compound, the second polymer and the loading solvent are selected such that the work of adhesion (W) between the second polymer and the chemical compound during at least a part of the loading is at least about 0 J/m. 153-. (canceled)54. A method of producing a delivery device for delivering a chemical compound , the method comprisingi) providing an interpenetrating polymer substrate (IP substrate) comprising a first continuous polymer comprising rubber and a second polymer comprising hydrogel or a hydrogelable precursor, where the second polymer is interpenetrating in the first polymer;ii) providing the chemical compound and a loading solvent for the chemical compound; and{'sub': 'hc', 'sup': '2', 'iii) loading the IP substrate with the chemical compound by subjecting the IP substrate to the loading solvent comprising the chemical compound under conditions where the loading solvent at least partially swells the second polymer, and wherein the chemical compound, the second polymer and the loading solvent are selected such that the work of adhesion (W) between the second polymer and the chemical compound during at least a part of the loading is at least about 0 J/m.'}55. The method of claim 54 , wherein work of adhesion between the chemical compound and the second polymer during at least a part of the loading is as ...

ORGANIC SUBSTRATES HAVING IMPROVED WEATHERABILITY AND MAR RESISTANCE

There is a great desire for new organic resin materials that have acceptable weatherability and scratch resistance. Provided are processes and organic resin materials that address these needs. Such materials include a thermoplastic substrate, an adhesion promoter infused into a surface of the thermoplastic such that an inorganic component (IC) of the adhesion promoter is surface exposed and an organic component (OC) of the adhesion promoter penetrates the surface, and a mar resistant coating contacting the substrate absent an intermediate layer. Processes of forming such materials are also provided. 2. The process of wherein said adhesion promoter comprises the formula{'br': None, 'sub': 'x', 'IC-OT\u2003\u2003(I)'}where IC is an inorganic material; OT is an organic component comprising a hydrophobic organic tail; and x is an integer between 1 and 6.3. The process of wherein said IC is a metal claim 2 , optionally a metal oxide.4. The process of wherein said IC is a silicon oxide claim 2 , aluminum oxide claim 2 , or derivative thereof.57-. (canceled)1017-. (canceled)18. A mar resistant thermoplastic material comprising:a thermoplastic substrate; andan adhesion promoter infused into a surface of said thermoplastic or portion thereof, such that an inorganic component (IC) of said adhesion promoter is surface exposed and an organic component (OT) of said adhesion promoter penetrates said surface.19. The thermoplastic material of further comprising:a mar resistant coating or hardcoat coating contacting said substrate absent an intermediate layer.20. The material of wherein said adhesion promoter comprises a structure having the formula{'br': None, 'sub': 'x', 'IC-OT\u2003\u2003(I)'}where IC is said inorganic component; OT is an organic component comprising an oligomeric tail; and x is an integer between 1 and 6.21. The material of wherein said IC is a metal.22. The material of wherein said IC comprises silicon oxide claim 18 , aluminum oxide claim 18 , or derivative ...

METHOD OF MAKING PLASTIC ARTICLE

A method of making a plastic article is disclosed. According to this method, a plastic article is formed from a thermoplastic composition that includes a first polymer component that is (i) a poly(siloxane-carbonate) copolymer, (ii) a poly(aliphatic ester)-polycarbonate having soft block ester units, derived from monomers including an alpha, omega Caliphatic dicarboxylic acid or derivative thereof, a dihydroxyaromatic compound, and a carbonate source, (iii) a thermoplastic polyurethane, (iv) a thermoplastic polyurethane, or a combination comprising any of the foregoing. An additive such as a photochromic dye is then loaded into the plastic article by contacting a surface of the article with supercritical fluid carbon dioxide comprising the additive dissolved or dispersed therein. 1. A method of making a plastic article , comprising:{'sub': '6-20', 'forming a plastic article from a thermoplastic composition comprising a first polymer component that comprises: (i) a poly(siloxane-carbonate) copolymer, (ii) a poly(aliphatic ester)-polycarbonate comprising soft block ester units, derived from monomers comprising an alpha, omega Caliphatic dicarboxylic acid or derivative thereof, a dihydroxyaromatic compound, and a carbonate source, (iii) a blend of a polycarbonate and a polyester, (iv) a thermoplastic polyurethane, or a combination comprising any of the foregoing; and'}contacting a surface of the article comprising the thermoplastic composition with supercritical fluid carbon dioxide comprising an additive dissolved or dispersed therein.2. The method of claim 1 , wherein the first polymer component component comprises the poly(siloxane-carbonate) copolymer.3. The method of claim 2 , wherein the poly(siloxane-carbonate) copolymer comprises from 1 to 50 wt. % siloxane units based on the total weight of the poly(siloxane-carbonate) copolymer.4. The method of claim 3 , wherein the poly(siloxane-carbonate) copolymer comprises from 2 to 30 wt. % siloxane units.5. The method ...

Polaniline based membranes for separation of carbon dioxide and methane

Various embodiments demonstrate that an in-situ polymerization enables deposition of a homogeneous polyaniline layer with a controlled thickness on top of a porous polypropylene support. Photografting and subsequent modification with diamines affords composite membranes featuring both high permeability and selectivity that are well suited for applications such as separation of carbon dioxide from a natural gas.

METHODS AND COMPOSITIONS RELATING TO TUNABLE NANOPOROUS COATINGS

Described herein are methods and compositions relating to tunable nanoporous coatings. In certain aspects, described herein are methods and compositions wherein a tunable nanoporous coating comprises a tunable nanoporous membrane which transitions from opaque to transparent upon the application of force, and from transparent to opaque after washing with a solvent. 1. A method for fabricating a tunable polymer membrane , comprising:forming a silica layer by forming a monolayer of colloidal silica nanoparticles;transferring the silica layer onto at least one first surface of one or more substrates;creating a volume between the at least one first surface and at least one opposing second surface of a second substrate;adding a monomer composition into the volume between the opposing first and second surfaces;polymerizing the monomer composition with a polymerization method to form a tunable polymer membrane; andremoving the silica layer on the one or more substrates with a first solvent.2. The method of claim 1 , further comprising:washing the tunable polymer membrane with a second solvent after removing the silica layer.3. The method of claim 1 , wherein the colloidal silica nanoparticles are SiOnanoparticles with a diameter of about 100 nm to about 10 claim 1 ,000 nm.4. The method of claim 1 , wherein the one or more substrates comprise glass.5. The method of claim 1 , further comprising transferring the silica layer onto at least one second surface of the second substrate.6. The method of claim 1 , wherein the monomer composition comprises polymerized polyethylene glycol diacrylate (PEGDA) claim 1 , polyethylene glycol (600) diacrylate (PEGDA 600) claim 1 , ethoxylated trimethylolpropane triacrylate (ETPTA) claim 1 , ethoxylated (20) trimethylolpropane triacrylate (ETPTA 20) claim 1 , or a combination thereof.7. The method of claim 1 , wherein the first solvent is 2% hydrofluoric acid.8. The method of claim 1 , further comprising applying the tunable polymer membrane ...

SOLVENT ANNEALING OF BLOCK COPOLYMER FILMS UNDER SUPER-SATURATED ATMOSPHERES

In one embodiment, a system for solvent annealing of a block copolymer film includes a solvent annealing chamber, and a controller configured to control at least one processing parameter for inducing a super-saturation of a solvent in an atmosphere within the solvent annealing chamber. In another embodiment, a method for solvent annealing of a block copolymer film includes inducing a super-saturation of a solvent in an atmosphere within a solvent annealing chamber having a block copolymer film therein for inducing formation of polymeric domains. 1. A system for solvent annealing of a block copolymer film , the system comprising:a solvent annealing chamber; anda controller configured to control at least one processing parameter for inducing a super-saturation of a solvent in an atmosphere within the solvent annealing chamber.2. The system as recited in claim 1 , further comprising a pressure control feature in communication with the controller for controlling a pressure of the atmosphere within the solvent annealing chamber.3. The system as recited in claim 1 , further comprising a temperature control feature in communication with the controller for adjusting a temperature of the atmosphere within the solvent annealing chamber.4. The system as recited in claim 1 , wherein the solvent annealing chamber includes a volume control feature in communication with the controller for adjusting a volume of the atmosphere within the solvent annealing chamber.5. The system as recited in claim 1 , further comprising a carrier line coupled to a source apparatus that is configured to generate solvent vapor at or near saturation claim 1 , the carrier line being in fluidic communication with an interior of the solvent annealing chamber.6. The system as recited in claim 5 , wherein the controller is configured to induce the super-saturation of the solvent in the atmosphere within the solvent annealing chamber by lowering a temperature of the atmosphere within the solvent annealing ...

Method for making a chemical contrast pattern using block copolymers and sequential infiltration synthesis

A method for making a chemical contrast pattern uses directed self-assembly of block copolymers (BCPs) and sequential infiltration synthesis (SIS) of an inorganic material. For an example with poly(styrene-block-methyl methacrylate) (PS-b-PMMA) as the BCP and alumina as the inorganic material, the PS and PMMA self-assemble on a suitable substrate. The PMMA is removed and the PS is oxidized. A surface modification polymer (SMP) is deposited on the oxidized PS and the exposed substrate and the SMP not bound to the substrate is removed. The structure is placed in an atomic layer deposition chamber. Alumina precursors reactive with the oxidized PS are introduced and infuse by SIS into the oxidized PS, thereby forming on the substrate a chemical contrast pattern of SMP and alumina. The resulting chemical contrast pattern can be used for lithographic masks, for example to etch the underlying substrate to make an imprint template.

PROCESS FOR TREATING SILICA-FILLED POLYAMIDE BY IMPREGNATION IN SUPERCRITICAL CO2

The present invention relates to a process for treating a polyamide-based material comprising silica fibers and/or fillers, by impregnation with at least one hydrophobic additive in supercritical CO. 1. A process for treating a polyamide-based material comprising silica fibers and/or fillers , the process comprising impregnating the polyamide-based material with at least one hydrophobic additive in supercritical CO.2. The process of claim 1 , comprising reducing water uptake of said material.3. The process of claim 1 , wherein the material is comprises polyamide 6 claim 1 ,6 or on polyphthalamide filled with silica fibers and/or fillers.4. The process of claim 1 , wherein the material comprises silica fibers and/or fillers claim 1 , in a mass proportion of greater than or equal to 20% of the total mass of the material.5. The process of claim 1 , wherein said material forms all or part of an electrically insulating component.6. The process of claim 1 , wherein the hydrophobic additive is chosen from dielectric silicone oils which are soluble in supercritical COand hydrophobic fluoro compounds which are soluble in supercritical CO.7. The process of claim 6 , wherein the dielectric silicone oil is chosen from linear silicone oils of polydimethylsiloxane type and aromatic silicone oils.8. The process of claim 6 , wherein the hydrophobic fluoro compounds which are soluble in supercritical COcomprise at least one at least partially fluorinated hydrophobic hydrocarbon-based chain claim 6 , including at least 6 carbon atoms.9. The process of claim 8 , wherein said hydrophobic fluoro compound comprises claim 8 , besides at least said hydrophobic hydrocarbon-based chain claim 8 , at least one group which is capable of interacting via hydrogen bonding or via Van der Waals interaction with the polyamide chains.10. The process of claim 1 , wherein said hydrophobic additive is used in an amount of between 0.2% and 5% by weight relative to the weight of the polyamide-based ...

METHOD FOR FABRICATING NANOPOROUS POLYMER THIN FILM AND CORRESPONDING METHOD FOR FABRICATING NANOPOROUS THIN FILM

A method for fabricating nanoporous polymer thin film includes steps as follows. A polymer thin film is provided, wherein a polymer solution including a polymer is coated on a substrate to form the polymer thin film. A swelling and annealing process is provided, wherein the polymer thin film is disposed inside a chamber with a vapor of a first solvent, the polymer thin film is swollen and annealed to form a swollen polymer thin film, and the swollen polymer thin film includes the polymer and the first solvent. A freezing process is provided, wherein the swollen polymer thin film is cooled to a temperature less than or equal to a crystallization temperature of the first solvent to crystallize the first solvent. A first solvent removing process is provided, wherein the first solvent is removed with a second solvent, such that a nanoporous polymer thin film is obtained. 1. A method for fabricating nanoporous polymer thin film , the method comprising:providing a polymer thin film, wherein a polymer solution comprising a polymer is coated on a substrate to form the polymer thin film;providing a swelling and annealing process, wherein the polymer thin film is kept inside a chamber with a vapor of a first solvent, the polymer thin film is swollen and annealed to form a swollen polymer thin film, and the swollen polymer thin film comprises the polymer and the first solvent;providing a freezing process, wherein the swollen polymer thin film is cooled to a temperature less than or equal to a crystallization temperature of the first solvent to crystallize the first solvent; andproviding a first solvent removing process, wherein the first solvent is removed with a second solvent, such that a nanoporous polymer thin film is obtained.2. The method of claim 1 , wherein the polymer is polystyrene claim 1 , the first solvent is N claim 1 ,N-dimethylformamide claim 1 , and the second solvent is methanol.3. The method of claim 1 , wherein in the swelling and annealing process claim 1 ...

PROCESS FOR PRODUCING MICROPOROUS POLYOLEFIN FILM

In a method for manufacturing a polyolefin microporous film, non-uniformity in a film resulting from non-uniform drying during solvent extraction is minimized, high-speed drying and high-speed continuous productivity of the polyolefin microporous film are implemented. In the method for manufacturing a polyolefin microporous film, in which a composition composed of a polyolefin resin and a plasticizer is made into a film form using extrusion, the plasticize is extracted and removed using a solvent, and the film is thereafter dried. After the foregoing extraction and before the drying, the film is brought into close contact with a roll, or its width is mechanically restrained. A liquid (heating medium) having a temperature greater than r equal to the boiling point of the solvent is made to contact the film while the film is in close contact with the roll or while the width is restrained, whereby the film is heated and dried. 1. A method for manufacturing a polyolefin microporous film , comprising:(a) a step for melt-kneading a composition containing at least a polyolefin film and a plasticizer, extruding the kneaded composition from a die, and molding the extrudate into a film form;(b) a step for stretching the obtained film in at least one direction after the extruding and molding;(c) a step for extraction by using a solvent to extract and thereby remove the plasticizer from the film after the stretching; and(d) a step for drying the film after the extraction, the method for manufacturing the polyolefin microporous film being characterized in that:the film is brought into dose contact with a roll set to a temperature lower than a boiling point of the solvent after the extraction step and before the drying step; anda liquid lacking an affinity for polyolefin and being of a temperature equal to or greater than the boiling point of the solvent is brought into contact with the film while the film remains in close contact with the roll, whereby the film is heated and ...

Method for Tuning Topology of Polymer Particles

Methods for forming polymeric particles with a predetermined, controlled morphology, and methods for tuning the topology of polymeric particles through modification of components utilized in the formation process are described. An emulsion/condensation technique is used, including a first emulsifier in the aqueous phase and an organic phase that includes first and second solvents, a second emulsifier, and a polymer. The polymer is more soluble in the first solvent than the second solvent, and the second emulsifier is more soluble in the second solvent than the first solvent. Through modification of the relative amounts of the emulsifiers and solvents, particles with either smooth or rough surfaces can be formed. Particles are particularly useful as drug depots with controlled-release profiles. 1. A method for forming a polymeric particle comprising:combining an aqueous phase with an organic phase to form an emulsion including droplets of the organic phase dispersed in the aqueous phase, the aqueous phase comprising a first emulsifier, the organic phase comprising a second emulsifier, a first solvent, a second solvent, and a dissolved polymer, the polymer comprising a polyester homo- or copolymer, the second emulsifier comprising a small molecule amphiphilic compound; whereinthe second solvent is miscible in both water and the first solvent, the second emulsifier is more soluble in the second solvent than in the first solvent, and the polymer is more soluble in the first solvent than in the second solvent, the method further comprising:removing at least a portion of the first solvent from the organic phase to solidify the polymer and form polymeric particles; andmodifying a concentration of the second emulsifier in the organic phase and thereby modifying the topology of the polymeric particles.2. The method according to claim 1 , the first emulsifier comprising polyvinyl alcohol claim 1 , hydroxyethyl cellulose claim 1 , carboxymethyl cellulose claim 1 , methyl ...

SUB-10-NANOMETER NANOSTRUCTURES ENGINEERED FROM GIANT SURFACTANTS

A process of forming a nanopatterned substrate is provided. The process comprising the steps of first preparing a giant surfactant comprising a cage-like molecular nanoparticle head linked to a polymer chain tail through a chemical linkage. Next, using the giant surfactant, a thin film is formed. Next the thin film formed from the giant surfactant is annealed such that the giant surfactant self-assembles into a desired nanostructure. The desired nanostructure is comprised of periodic major domains and minor domains. Finally, at least some of either the major domain or the minor domain is selectively removed to form the nanopatterned substrate. 1. A process of forming a nanopatterned substrate comprising the steps of:preparing a giant surfactant comprising a cage-like molecular nanoparticle head linked to a polymer chain tail through a chemical linkage,forming a thin film from said giant surfactant;annealing said film such that said giant surfactant self-assembles into a desired nanostructure comprising periodic major domains and minor domains;selectively removing at least some of either said major domains or said minor domains.2. The process of claim 1 , wherein the cage-like molecular nanoparticle head is selected from the group consisting of polyhedral silsesquioxanes claim 1 , polyhedral polyoxometalates claim 1 , and/or fullerenes.3. The process of wherein the polymer chain tail is selected from the group consisting of polystyrene claim 1 , polymethacrylates claim 1 , polyacrylates claim 1 , polyethyleneoxide claim 1 , polyisoprene claim 1 , polybutadiene claim 1 , polyolefins claim 1 , polyesters claim 1 , polyvinylpyridine claim 1 , and fluorinated polymers.4. The process of wherein the polymer chain tail has a molecular weight of from 100 to 100 claim 1 ,000 Daltons.5. The process of claim 1 , wherein the chemical linkage linking the cage-like molecular nanoparticle head and the polymer chain tail is selected from the group consisting of azide/alkyne linkages ...

METHODS FOR PLASTICIZING POLY(ETHYLENE FURANOATE) FILMS BY WATER SORPTION

This disclosure provides an investigation of the kinetic uptake properties of water in amorphous PEF and PET across the entire water activity interval at various temperatures, and also investigates the corresponding equilibrium uptake properties at the same conditions. Uptake data were measured using three independent and complementary methodologies, and excellent agreement was observed among all three methodologies. Accordingly, this disclosure provides for methods of plasticizing poly(ethylene furanoate) film by cold water sorption, and provides a plasticized poly(ethylene furanoate) (PEF) film made according to the disclosed methods. Methods for making thin films of PEF are also provided. 1. A method of plasticizing poly(ethylene furanoate) film , the method comprising:a) providing a poly(ethylene furanoate) (PEF) film; andb) contacting the PEF film with water or high (>50%) relative humidity air at a temperature at or below ambient temperature for a time period.2. The method of claim 1 , wherein the PEF film is contacted with at least about 90% relative humidity air at a temperature equal to or below ambient temperature for a time period from about 1 h to about 25 h.3. The method of claim 1 , wherein the PEF film is contacted with at least about 95% relative humidity air at a temperature equal to or below ambient temperature for a time period from about 0.5 h to about 50 h.4. The method of claim 1 , wherein the PEF film is contacted with water at a temperature equal to or below ambient temperature for a time period from about 0.5 h to about 25 h.5. A plasticized poly(ethylene furanoate) (PEF) film made according to the method of .6. A method for making a poly(ethylene furanoate) thin film claim 1 , the method comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a) plasticizing a poly(ethylene furanoate) (PEF) film according to the method of to form a plasticized PEF film; and'}b) subjecting the plasticized PEF film to a dynamic strain oscillation within ...

METHOD OF PRODUCING POLYMER-IMPREGNATED BASE RESIN

Provided is a method of producing a polymer-impregnated base resin which is excellent in providing low adsorption of proteins and blood cells such as platelets. The method of producing a polymer-impregnated base resin includes impregnating a base resin with a polymer solution that includes a solvent able to swell the base resin. 1. A method of producing a polymer-impregnated base resin , the method comprising impregnating a base resin with a polymer solution that comprises a solvent able to swell the base resin.2. The method of producing a polymer-impregnated base resin according to claim 1 ,wherein the method comprises, after the impregnation, removing the solvent of the polymer solution, followed by washing with the same solvent as that used in the polymer solution.3. The method of producing a polymer-impregnated base resin according to claim 1 ,wherein the polymer is at least one selected from the group consisting of polyacrylic acid, polyacrylic acid esters, polymethacrylic acid, polymethacrylic acid esters, polyacryloylmorpholine, polymethacryloylmorpholine, polyacrylamide, and polymethacrylamide.4. The method of producing a polymer-impregnated base resin according to claim 1 ,wherein the base resin comprises at least one material selected from the group consisting of acrylic resins, cycloolefin resins, carbonate resins, and styrene resins.5. The method of producing a polymer-impregnated base resin according to claim 1 ,wherein the solvent of the polymer solution comprises at least one alcohol. The present invention relates to a method of producing a polymer-impregnated base resin.Matrices, filters, channels, tubes, and other devices for medical and healthcare use used in medical, healthcare and other fields have a drawback in that since they come into contact with blood inside or outside the body during their use, proteins and blood cells such as platelets adhere or adsorb to the surface of the devices and thereby impair the original function of the devices. ...

SOLID POLYMERIC MATERIAL IMPREGNATED WITH A VOLATILE ORGANIC SUBSTANCE AND A SPECIFIC ESTER AND USES OF SAME

The present invention concerns a solid polymeric material impregnated with a volatile organic substance (such as a perfume, an odour-masking agent or an insecticide) and a solvent comprising a C-Cmonoester of C-Calkyl that helps improve the rate of infusion of the volatile organic substance in the material and the diffusion profile of same. It also concerns a method for producing this material, and the uses of same for perfuming or deodorising the atmosphere, the body or laundry or as an insect repellent or insecticide. The invention also concerns a perfuming or deodorising product, an insect repellent or an insecticide comprising the above-mentioned material. 110-. (canceled)11. A solid polymeric material impregnated with a volatile organic substance and with a solvent comprising a C-Cmonoester of a C-Calkyl.12. The material according to claim 11 , wherein the volatile organic substance is selected from the group consisting of: a fragrance claim 11 , an odor-masking agent and an insecticide.13. The material according to claim 12 , wherein the volatile organic substance is a fragrance.14. The material according to claim 11 , wherein that the solvent comprises a C-Cmonoester of a C-Calkyl.15. The material according to claim 14 , wherein the C-Cmonoester of a C-Calkyl is isopropyl myristate.16. The material according to claim 11 , wherein the concentration of the volatile organic substance in the solvent is between 20 and 95% by weight.17. The material according to claim 16 , wherein the concentration of the volatile organic substance in the solvent is between 30 and 90% by weight.18. The material according to claim 16 , wherein the concentration of the volatile organic substance in the solvent is between 50 and 80% by weight.19. The material according to claim 11 , which comprises a silicone elastomer.20. The material according to claim 19 , wherein the solvent also contains a saturated C-Cdiester of a C-Calkyl.21. The material according to claim 20 , wherein the ...

RAZOR BLADES

The invention discloses a novel solution and process comprising a modified solvent for providing enhanced blade edge attributes. 1. A method for thinning a coating on one or more coated razor blades comprises the step of applying a solution onto said coating , said solution comprising a yellow color , said yellow color indicating said solution is in an ideal state for thinning a coating.2. The method of wherein said solution comprises one or more defluorination compounds.3. The method of wherein said one or more defluorination compounds comprise CFwherein n=10 to 23.4. The method of wherein said one or more defluorination compounds comprise one or more of the following compounds: CF claim 3 , CF claim 3 , or CFor any combination thereof.5. The method of wherein a concentration of any one of the compounds in the solution is less than or equal to about one part per million.6. The method of wherein the concentration of said CFcompound in said solution is about 0.05% to about 1.0% claim 4 , the concentration of said CFcompound in said solution is about 0.05% to about 1.0% claim 4 , and the concentration of said CFcompound in said solution is about 0.05% to about 1.0%.7. The method of wherein a concentration of said one or more compounds of CFranges from about 0.05% to about 3%.8. The method of wherein said step of applying is repeated up to about 100 times9. The method of wherein said applying step is applied for a time ranging from about 30 seconds to about 1 hour.10. The method of wherein said applying step occurs at a temperature range of about 500° F. to about 700° F.11. The method of wherein claim 1 , prior to said applying step claim 1 , a step of applying a polyfluorocarbon material onto at least one razor blade by spraying claim 1 , sintering claim 1 , dipping claim 1 , spin coating claim 1 , sputtering claim 1 , or chemical vapor deposition claim 1 , or any combination thereof claim 1 , to form said at least one polyfluorocarbon coated razor blade.12. The ...

IMPRINT APPARATUS, METHOD OF MANUFACTURING ARTICLE, PLANARIZED LAYER FORMING APPARATUS, INFORMATION PROCESSING APPARATUS, AND DETERMINATION METHOD

An imprint apparatus that brings a mold and an imprint material on a substrate into contact with each other to form a pattern of the imprint material on the substrate is provided. The apparatus comprises a supplying unit configured to supply the imprint material to the substrate, and a control unit configured to control the supplying unit in accordance with arrangement data of the imprint material that indicates a position where the imprint material is to be supplied on the substrate, wherein the control unit determines the arrangement data based on a feature related to a spread of a droplet of the imprint material on the substrate. 1. An imprint apparatus that brings a mold and an imprint material on a substrate into contact with each other to form a pattern of the imprint material on the substrate , comprising:a supplying unit configured to supply the imprint material to the substrate; anda control unit configured to control the supplying unit in accordance with arrangement data of the imprint material that indicates a position where the imprint material is to be supplied on the substrate,wherein the control unit determines the arrangement data based on a feature related to a spread of a droplet of the imprint material on the substrate.2. The apparatus according to claim 1 , wherein the control unit determines the arrangement data based on a correspondence relationship obtained in advance between an imprint condition and the feature related to the spread of the droplet of the imprint material when the imprint material and the mold are brought into contact with each other under the imprint condition.3. The apparatus according to claim 2 , further comprising:an image capturing unit configured to capture an image of a plurality of droplets of the imprint material while the imprint material and the mold are in contact with each other,wherein the control unit obtains the feature based on the image captured by the image capturing unit.4. The apparatus according to claim ...

FUNCTIONAL SURFACES AND METHODS OF MAKING THEREOF

Provided herein are methods of making functional surfaces, including liquid repellant surfaces that can exhibit selective wetting properties. Methods of forming a functional surfaces can comprise providing a dispersion of nanoparticles; and applying the dispersion to a polymer surface to form a multiplicity of re-entrant structures embedded within and protruding from the polymer surface. The re-entrant structures are formed from aggregates of the nanoparticles. Also provided are functional surfaces prepared by these methods, as well as articles comprising these functional surfaces. 1. A method of forming a functional surface , the method comprising:providing a dispersion of nanoparticles; andapplying the dispersion to a polymer surface to form a multiplicity of re-entrant structures embedded within and protruding from the polymer surface, wherein the re-entrant structures are formed from aggregates of the nanoparticles.2. The method of claim 1 , wherein the dispersion comprises the nanoparticles dispersed in a solvent that induces a structural change in the polymer.3. The method of claim 2 , wherein the dispersion comprises the nanoparticles dispersed in a solvent that swells the polymer.4. The method of claim 1 , wherein the dispersion comprises the nanoparticles dispersed in a solution of a solvent and the polymer.5. The method of claim 1 , wherein applying the dispersion to the polymer surface comprises heating the dispersion and depositing the dispersion on the polymer surface.6. The method of claim 5 , wherein heating the dispersion comprises heating the dispersion to a temperature greater than the melting point of the polymer.7. The method of claim 1 , wherein the nanoparticles comprise hydrophilic nanoparticles.8. The method of claim 1 , wherein the nanoparticles have an average particle size claim 1 , as determined by electron microscopy claim 1 , of from 1 nm to 200 nm.9. The method of claim 1 , wherein the nanoparticles comprise silicon dioxide ...

METHOD FOR ADHERING WATER SOLUBLE POLYMER FILMS

A method for adhering water soluble polymer films by applying to at least one of the films a solution comprising: (a) from 60 to 90 wt % water, (b) from 10 to 40 wt % isopropanol, and (c) from 0 to 5 wt % polyvalent metal salts. 1. A method for adhering water soluble polymer films by applying to at least one of the films a solution comprising: (a) from 60 to 90 wt % water , (b) from 10 to 40 wt % isopropanol , and (c) from 0 to 5 wt % polyvalent metal salts.2. The method of in which the water soluble films are acrylic polymers.3. The method of in which the solution comprises: (a) from 70 to 90 wt % water claim 2 , (b) from 10 to 30 wt % isopropanol claim 2 , and (c) from 0 to 5 wt % polyvalent metal salts4. The method of in which the acrylic polymers comprise from 50 to 90 wt % polymerized units of C-Calkyl (meth)acrylate monomers claim 3 , from 10 to 50 wt % polymerized units of C-Cmonoethylenically unsaturated carboxylic acid monomers claim 3 , and from 0 to 25 wt % polymerized units of C-Chydroxyalkyl (meth)acrylate monomers.5. The method of in which the acrylic polymers comprise from 0.1 to 3 wt % of an ionic crosslinking agent which is a divalent cation.6. A method for adhering water soluble polymer films by applying to at least one of the films a solution comprising: (a) from 5 to 60 wt % water claim 4 , and (b) from 40 to 95 wt % propylene glycol.7. The method of in which in which the water soluble films are acrylic polymers.8. The method of in which the solution comprises: (a) from 8 to 55 wt % water claim 7 , and (b) from 45 to 92 wt % propylene glycol.9. The method of in which the acrylic polymers comprise from 50 to 90 wt % polymerized units of C-Calkyl (meth)acrylate monomers claim 8 , from 10 to 50 wt % polymerized units of C-Cmonoethylenically unsaturated carboxylic acid monomers claim 8 , and from 0 to 25 wt % polymerized units of C-Chydroxyalkyl (meth)acrylate monomers.10. The method of in which the acrylic polymers comprise from 0.1 to 3 wt % of an ...

PROCESS FOR OBTAINING BLOCK COPOLYMERS AND USES THEREOF IN ADHESIVE COMPOSITIONS

Rubber surface treatment and products derived therefrom

The treatment of an uncured or partially cured rubber surface with a solvent mixture of n-heptane and specified hydrocarbon(s). The treatment is to add building tack. Cured adhesion can also be enhanced. An appropriate solvent mixture is provided. An article can be produced thereby as a cured assembly of rubber components.

Patterned, porous polymer product and process for its manufacture

Surface treatment of polyolefin objects

The adhesion of highly oriented polyolefin objects, in particular polyethylene filaments, to e.g. polar, polymer matrices is improved by contacting the surface of the object with a solvent for 0.5-2 minutes at a temperature above the dissolution temperature of the polyolefin.

Adhesive Composition and Adhesive Sheet Using the Same

본 발명은 광경화성 고무 수지 및 광개시제를 포함하는 점착제 조성물을 제공한다. 본 발명에 따른 점착제 조성물은 배리어 특성과 내구성이 우수하여 OLED 등의 수분 취약성을 나타내는 유기전자소자를 봉지하여 보호하는데 적용될 수 있다. The present invention provides a pressure-sensitive adhesive composition comprising a photocurable rubber resin and a photoinitiator. The pressure-sensitive adhesive composition according to the present invention has excellent barrier properties and durability and can be applied to encapsulate and protect organic electronic devices exhibiting moisture fragility such as OLEDs.

신디오탁틱 폴리프로필렌의 성형방법 및 성형물

내용없음.

Method for applying antistatic agents to polymeric substances and destaticized articles thereby obtained

Oriented polyolefin film

Oriented polyolefin (especially polypropylene) film having antistatic properties is produced by applying to the cast extrudate an aqueous solution of an `Ethoquad` salt (e.g. `Ethoquad` C/12) before heating and stretching the extrudate to orient it. The corresponding tertiary amine chlorides (e.g. prepared from `Ethomeen` T/12) are not effective.

Antistatic polyolefin films

Oriented polyolefin (especially polypropylene) film having antistatic properties is produced by applying to the cast extrudate a solution of an `Ethomeen` sulphate (e.g. `Ethomeen` T/12 sulphate) before heating and stretching the extrudate to orient it. The corresponding hydrochlorides are not effective. Inclusion of a quaternary ammonium compound, such as choline chloride, in the solution confers improved antistatic properties.

Способ очистки эластомерного изделия от остаточных примесей и эластомерное изделие, очищенное данным способом

Объектом изобретения является способ очистки эластомерного изделия от остаточных примесей контактирования с химическим веществом, при этом в качестве химического вещества используют по меньшей мере одну сверхкритическую среду. Другим объектом изобретения является эластомерное изделие со сниженным содержанием фталата и/или полиядерных ароматических углеводородов, полученное с помощью указанного способа.

Method of obtaining block copolymers and uses thereof in adhesive compositions

본 발명은 선형 또는 별형 블록 공중합체, 이의 제조 방법 및 접착제 조성물에서의 이의, 예를 들어 감압 (pressure-sensitive) 접착제로서의 용도에 관한 것이다. 본 발명의 공중합체는, 니트록시드-조절된 라디칼 중합을 이용하여 제조되며, Tg 가 0 ℃ 미만인 하나 이상의 연질 블록 및 Tg 가 주위 온도보다 높은 하나 이상의 경질 블록을 가진다. The present invention relates to linear or star block copolymers, methods for their preparation and their use in adhesive compositions, for example as pressure-sensitive adhesives. The copolymers of the present invention are prepared using nitroxide-controlled radical polymerization and have at least one soft block with a Tg below 0 ° C. and at least one hard block with a Tg above ambient temperature. 블록 공중합체, 접착제, 라디칼 중합, Tg Block Copolymers, Adhesives, Radical Polymerization, Tg

Method for molding syndiotactic polypropylene and molded article

Acrylic Emulsion Adhesive with Excellent Detergency and Preparation Method Thereof

본 발명은 세척성이 우수한 아크릴계 에멀젼 점착제 및 이의 제조방법으로서, 아크릴계 단량체 혼합물 전체 중량을 기준으로, 1 내지 10중량%의 아크릴계 단량체 혼합물이 무유화 중합된 시드(seed)와, 90 내지 99중량%의 아크릴계 단량체 혼합물이 유화 중합된 아크릴계 에멀젼 수지를 포함하고 있고, 상기 시드는 아크릴계 에멀젼 수지에 의해 감싸여 있는 것을 특징으로 하는 아크릴계 에멀젼 점착제 및 이의 제조 방법에 관한 것이다. The present invention relates to an acrylic emulsion pressure-sensitive adhesive excellent in washability and a method for producing the acrylic pressure-sensitive adhesive, which comprises an unmelted polymerized seed of 1 to 10% by weight of an acrylic monomer mixture based on the total weight of the acrylic monomer mixture, The present invention relates to an acrylic emulsion pressure-sensitive adhesive and a method for producing the same, wherein the acrylic-based monomer mixture contains an acrylic-based emulsion resin emulsion-polymerized and the seed is wrapped by an acrylic-based emulsion resin.

Pattern forming composition and pattern forming method

Method for molding syndiotactic polypropylene

A method for molding a polypropylene or a propylene copolymer having a syndiotactic structure which comprises the steps of melting, molding, if desired, quenching and then stretching a propylene homopolymer or a copolymer of propylene and a small amount of ethylene or another α-olefin which has a substantially syndiotactic structure, or a mixture of the same and a small amount of a polypropylene having a substantially isotactic structure. The molded and stretched article can be heated at a temperature of a molding temperature or more, while a load is applied to the article. Furthermore, the molded and stretched article, if desired, can be treated with a hydrocarbon vapor, while a load is applied to the article. The molded article obtained by the method of the present invention has a novel crystalline structure.

Polylactic acid based porous material

Free radical quench process for irradiated ultrahigh molecular weight polyethylene

The invention provides a process for quenching free radicals present in irradiated ultrahigh molecular weight polyethylene comprising the steps of (a) providing a mass of irradiated ultrahigh molecular weight polyethylene, wherein the mass comprises free radicals, (b) immersing at least a portion of the mass of irradiated ultrahigh molecular weight polyethylene in a non-polar solvent having a temperature for a time and under conditions sufficient to quench a substantial portion of the free radicals contained therein, wherein the temperature of the non-polar solvent is maintained below the melting point of the ultrahigh molecular weight polyethylene, (c) removing the mass of irradiated ultrahigh molecular weight polyethylene from the non-polar solvent, and (d) removing any non-polar solvent from the mass of irradiated ultrahigh molecular weight polyethylene.

Free radical quench process for irradiated ultrahigh molecular weight polyethylene

The invention provides a process for quenching free radicals present in irradiated ultrahigh molecular weight polyethylene comprising the steps of (a) providing a mass of irradiated ultrahigh molecular weight polyethylene, wherein the mass comprises free radicals, (b) immersing at least a portion of the mass of irradiated ultrahigh molecular weight polyethylene in a non-polar solvent having a temperature for a time and under conditions sufficient to quench a substantial portion of the free radicals contained therein, wherein the temperature of the non-polar solvent is maintained below the melting point of the ultrahigh molecular weight polyethylene, (c) removing the mass of irradiated ultrahigh molecular weight polyethylene from the non-polar solvent, and (d) removing any non-polar solvent from the mass of irradiated ultrahigh molecular weight polyethylene.

Free radical quench process for irradiated ultrahigh molecular weight polyethylene

The invention provides a process for quenching free radicals present in irradiated ultrahigh molecular weight polyethylene comprising the steps of (a) providing a mass of irradiated ultrahigh molecular weight polyethylene, wherein the mass comprises free radicals, (b) immersing at least a portion of the mass of irradiated ultrahigh molecular weight polyethylene in a non-polar solvent having a temperature for a time and under conditions sufficient to quench a substantial portion of the free radicals contained therein, wherein the temperature of the non-polar solvent is maintained below the melting point of the ultrahigh molecular weight polyethylene, (c) removing the mass of irradiated ultrahigh molecular weight polyethylene from the non-polar solvent, and (d) removing any non-polar solvent from the mass of irradiated ultrahigh molecular weight polyethylene.

Free radical quench process for irradiated ultrahigh molecular weight

一种高哑度哑光聚酯薄膜的制备方法

本发明公开了一种高哑度哑光聚酯薄膜的制备方法，将聚对苯二甲酸215酯60‑70份、聚对苯二甲酸丁二醇酯15‑25份、聚萘二甲酸乙二醇酯10‑15份、共聚改性聚酯3‑5份和进行混合加工制粒，再与二氧化钛进行混合烘干，最后拉伸成型，再经过紫外线辐照，然后进行涂布工作，该发明的生产工艺简单，在生产过程不容易出现破膜、厚度不均匀的情况，并且在成型后通过紫外光进行辐照，使其表面与丙烯酰胺发生接枝共聚，改善哑光聚酯薄膜表面粗糙度，再将聚氨酯涂料和聚丙烯酸酯涂料涂布于哑光聚酯薄膜的表面，通过双面涂层的折射率，使哑光聚酯薄膜的透光率大大提高。

Perfluoroelastomer Sealing Material

본 발명은 고착 강도 및 밀봉재와의 접촉면의 오염, 부식 및 변색이 개선된, 특정 조건하에서 측정한 미가교 중합체 성분의 함유량이 1 중량％ 이하인 퍼플루오로 엘라스토머 밀봉재 및 그의 제조 방법을 제공한다. 퍼플루오로 트리-n-부틸아민에 60 ℃에서 70 시간 침지하고 취출한 후, 90 ℃에서 5 시간, 125 ℃에서 5 시간 및 200 ℃에서 10 시간 건조시켰을 때의 밀봉재의 중량 감소율이 1 중량％ 이하인 퍼플루오로 엘라스토머 밀봉재이다. 또한, 퍼플루오로 엘라스토머 성형품을 60 ℃에서 70 시간 침지했을 때의 상기 성형품에 대한 팽윤율이 50 ％ 이상인 용제로 처리하는 공정을 포함하는 퍼플루오로 엘라스토머 밀봉재의 제조 방법이다. The present invention provides a perfluoroelastomer sealing material having a content of uncrosslinked polymer component measured under specific conditions of 1% by weight or less, which has improved adhesion strength and contamination, corrosion and discoloration of the contact surface with the sealing material, and a method for producing the same. After immersing in perfluoro tri-n-butylamine at 60 ° C. for 70 hours and taking out, the weight reduction rate of the sealing material when dried at 90 ° C. for 5 hours, at 125 ° C. for 5 hours and at 200 ° C. for 10 hours was 1% by weight. It is the following perfluoro elastomer sealing material. Moreover, it is a manufacturing method of the perfluoro elastomer sealing material containing the process of processing a perfluoro elastomer molded article at 60 degreeC for 70 hours by the solvent which has a swelling rate of 50% or more with respect to the said molded article. 퍼플루오로 엘라스토머 밀봉재, 퍼플루오로 트리-n-부틸아민, 퍼플루오로 엘라스토머 성형품 Perfluoro Elastomer Sealant, Perfluoro Tri-n-Butylamine, Perfluoro Elastomer Molded Article

Perfluoroelastomer sealing material

본 발명은 고착 강도 및 밀봉재와의 접촉면의 오염, 부식 및 변색이 개선된, 특정 조건하에서 측정한 미가교 중합체 성분의 함유량이 1 중량％ 이하인 퍼플루오로 엘라스토머 밀봉재 및 그의 제조 방법을 제공한다. 퍼플루오로 트리-n-부틸아민에 60 ℃에서 70 시간 침지하고 취출한 후, 90 ℃에서 5 시간, 125 ℃에서 5 시간 및 200 ℃에서 10 시간 건조시켰을 때의 밀봉재의 중량 감소율이 1 중량％ 이하인 퍼플루오로 엘라스토머 밀봉재이다. 또한, 퍼플루오로 엘라스토머 성형품을 60 ℃에서 70 시간 침지했을 때의 상기 성형품에 대한 팽윤율이 50 ％ 이상인 용제로 처리하는 공정을 포함하는 퍼플루오로 엘라스토머 밀봉재의 제조 방법이다. 퍼플루오로 엘라스토머 밀봉재, 퍼플루오로 트리-n-부틸아민, 퍼플루오로 엘라스토머 성형품

Polypropylene resin composition having an improved compatibility with paint-coatings and a paint-coated article thereof

A polypropylene composition containing: (A) 10-95 parts by weight of a crystalline polypropylene, (B) 5-90 parts by weight of an ethylene-propylene copolymer rubber, (C) 1-30 parts by weight, per 100 parts by weight of the mixture of said crystalline polypropylene and ethylene-propylene copolymer rubber, of a hydroxyl group-containing propylene oligomer, and optionally an inorganic filler in an amount of up to 40 parts by weight per 100 parts by weight of the mixture of said crystalline polypropylene and ethylene-propylene copolymer rubber and a suitable amount of an additive or auxiliary, has an improved compatibility with paint-coatings, and the shaped article formed from said composition can easily be paint-coated by simply treating it with water or an organic solvent instead of laying a primer layer onto the article before applying a paint thereon.

Low temperature shock resistant release liner

지지시이트와 전면층을 포함하는 박리라이너에 있어서, 전면층은 다음중 하나 이상을 함유한다 ; 에틸렌과 하나 이상의 극성 공단량체의 공중합체, 또는 프로필렌과 하나 이상의 극성 공단량체의 공중합체 또는 이들 공중합체의 배합물. 이러한 박리라이너는 압감 접착제에 적용되면 저온 쇼크내성을 가지며 부드럽고 완전 균일한 박리특성을 갖는다. In a peeling liner comprising a support sheet and a front layer, the front layer contains one or more of the following; Copolymers of ethylene and one or more polar comonomers, or copolymers of propylene and one or more polar comonomers or combinations of these copolymers. This peeling liner has low temperature shock resistance when applied to the pressure sensitive adhesive and has a soft and completely uniform peeling property.

Pressure-sensitive adhesive polarizing plate

본 출원은 점착형 편광판 및 디스플레이장치에 관한 것이다. 본 출원은 내열 및 내습열 내구 신뢰성이 우수하고, 고온 또는 고온고습과 같은 가혹 조건 하에 노출되는 경우에도 빛 샘을 최소화 할 수 있는 점착 조성물을 제공할 수 있다. The present application relates to an adhesive polarizing plate and a display device. The present application can provide an adhesive composition that is excellent in heat and moisture and heat endurance reliability, and can minimize light leakage even when exposed to harsh conditions such as high temperature or high temperature and high humidity.

Method of improving quality of blade rubber in wiper blade

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Device for reducing VOC (volatile organic compounds) aldehyde ketones of automobile air-conditioning box shell

本发明公开了一种降低汽车空调箱壳体VOC醛酮类的设备，包括有底座，底座上固接有主机架，主机架上端横梁上设有传送机构；传送机构包括并列设置在横梁上的第一水平环线滑轨和第二水平环线滑轨，第一水平环线滑轨和第二水平环线滑轨上均安装第一定位滑块，第一定位滑块由第一滑块驱动液压缸驱动，第一定位滑块上安装升降机构，升降机构的动力输出端连接有空调箱壳体放置架，底座上安装水煮机构和烘干机构，水煮机构包括第一水煮装置、第二水煮装置和第三水煮装置。本发明自动化程度高，可操作性好，成本较低，去除醛酮类物质效果好。

Method for molding syndiotactic polypropylene and molded article

间同立构结构聚丙烯或丙烯共聚物的模制方法，该方法包括下述步骤：熔融，模塑，骤冷(如需要的话)，然后拉伸基本上为间同立构结构的丙烯均聚物或丙烯和少量乙烯或另一种α-烯烃的共聚物，或它们和少量基本上为全同立构结构的聚丙烯的混合物。经模制和拉伸的制品在模塑温度或更高温度下加热，同时向其施加一负载。此外，如需要，可在施加负载的同时，用烃类蒸汽处理，经模制和拉伸的制品。用本发明方法制得的模制品具有新的晶体结构。

Packing material (versions)

FIELD: chemistry. SUBSTANCE: invention refers to a packing material formed of a multi-layer body comprising at least a bottom layer and a thermoadhesive layer, which covers as an outer layer on one side of the packing material, and small hydrophobic oxide particles having an average diameter of primary particles of 3 to 100 nm attached to an outer surface so that the thermoadhesive layer does not adjoin the other layer; the small hydrophobic oxide particles form a porous layer having a three-dimensional mesh structure, and the small hydrophobic oxide particles in the thermoadhesion area are integrated into the thermoadhesive layer during the process of thermoadhesion. What is also disclosed is a container, wherein the hydrophobic oxide particles are attached to a portion or to the whole surface of the container, which comes in contact with the content. EFFECT: packing material prepared according to the invention, can preserve the excellent water-proofing properties and non-adhesive properties. 22 cl, 10 dwg, 6 tbl, 32 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B65D 65/40 B32B 5/16 B32B 27/00 B32B 1/02 C08J 5/18 C08J 7/04 (13) 2 546 511 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2011137528/12, 12.02.2010 (21)(22) Заявка: (24) Дата начала отсчета срока действия патента: 12.02.2010 Приоритет(ы): (30) Конвенционный приоритет: (73) Патентообладатель(и): ТОЙО АЛЮМИНИУМ КАБУСИКИ КАЙСЯ (JP) 2009-030750; 2009-083670; 2009-167553; 2009-225652; 2009-225653 2 5 4 6 5 1 1 JP JP JP JP JP (43) Дата публикации заявки: 20.03.2013 Бюл. № 8 (45) Опубликовано: 10.04.2015 Бюл. № 10 2 5 4 6 5 1 1 R U 210876 A, 31.07.2002. US 6677019 B2, 13.01.2004. EP 1249468 A2, 16.10.2002. WO 03/ 076091 A1, 18.09.2003. DE 10244490 A1, 25.03.2004. WO 03/068486 A1, 21.08.2003. DE 10233830 A1, 12.02.2004 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: JP 2005-516813 A, 21.04.2005 ...

Dissolution and concentration of polymer compound

The evaporator comprises sepd. parts from top to bottom in several sections, pref. in 3. Each section has a heating jacket on the outside, equipped with steam inlet and drain outlet. The temp. of the jackets are controlled opt. to keep lower temp. at top and higher at bottom sections, step by step. High polymer and solvent are mixed with strong agitation to produce the sludge, which is introduced into the evaporator from top into first section, in which the sludge is deaired and warmed and flows to second section with a higher temp. than the first section. The polymer is dissolved throughly and the solvent is evaporated, and the produced conc. soln. of high polymer is discharged from bottom to outside.

Method for removing residual additives from elastomer products

Etching solution for liquid crystal polymer and etching method for liquid crystal polymer

本発明の課題は、エッチング後の液晶ポリマーの形状が設計形状に近く、高い面内均一性でエッチングできる液晶ポリマー用エッチング液及び液晶ポリマーのエッチング方法を提供することである。第１成分としての５〜４５質量％のアルカリ金属水酸化物及び第２成分としての５〜８０質量％の、分子量が７０以上であるアルカノールアミン化合物を含有し、好ましくは、さらに、１〜６０質量％の第３成分を含有し、第３成分が、アルコール化合物及びカルボン酸化合物から選択された少なくとも１種を含有することを特徴とする液晶ポリマー用エッチング液及び該エッチング液を用いた液晶ポリマーのエッチング方法。

Surface treatment of a polymeric stent

Methods of treating the polymeric surfaces of a stent with a fluid including a solvent for the surface polymer are disclosed.

Polyimide film and process for producing polyimide film

一种聚酰亚胺膜，所述聚酰亚胺膜通过包含3，3′，4，4′-联苯四甲酸二酐作为主要组分的四羧酸组分与包含对苯二胺作为主要组分的二胺组分的反应而制备；对所述聚酰亚胺膜在460℃至550℃的温度加热，并且之后将水或碱性水溶液喷射在所述聚酰亚胺膜的表面上用于表面处理，从而提高粘合性，同时保持聚酰亚胺膜所固有的出色性质。

Method of iodine and its compounds application to polylactic acid products surfaces

Изобретение относится к области химии, а именно к химической обработке изделий из полимолочной кислоты для нанесения иода и его соединений на их поверхность, и может использоваться в медицине. Способ заключается в том, что изделие из полимолочной кислоты помещают на время не менее 5 с в смесь двух смешивающихся между собой растворителей. Один из растворителей относится к классу ароматических углеводородов, или галогенпроизводных углеводородов, или амидов с объемным содержанием в смеси не менее 10%, а второй относится к классу спиртов, или сложных эфиров, или кетонов, или является водой с объемным содержанием в смеси не более 90%. Затем помещают в раствор иода или его соединений, или в пары иода на время не менее 10 мин, затем изделие извлекают, промывают этиловым спиртом и высушивают. Предложенный способ позволяет получать изделия из полимолочной кислоты различной формы и размера, которые являются рентгеноконтрастными и обладают антимикробной активностью. 1 з.п. ф-лы, 3 ил., 2 табл., 5 пр. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 616 670 C1 (51) МПК C08J 7/02 (2006.01) C08J 7/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2015154344, 18.12.2015 (24) Дата начала отсчета срока действия патента: 18.12.2015 Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 18.12.2015 (45) Опубликовано: 18.04.2017 Бюл. № 11 C 1 2 6 1 6 6 7 0 Rasal, Rahul "SURFASE AND BULK MODIFICATION OF POLY(LACTIC ACID)", All Dissertations, c.335, 2009. RU 2485979 C1, 27.06.2013. (54) СПОСОБ НАНЕСЕНИЯ ИОДА И ЕГО СОЕДИНЕНИЙ НА ПОВЕРХНОСТЬ ИЗДЕЛИЙ ИЗ ПОЛИМОЛОЧНОЙ КИСЛОТЫ (57) Формула изобретения 1. Способ нанесения иода и его соединений на поверхность изделий из полимолочной кислоты, отличающийся тем, что изделие из полимолочной кислоты помещают на время не менее 5 с в смесь двух смешивающихся между собой растворителей, один из которых относится к классу ароматических углеводородов, или галогенпроизводных ...

A kind of polishing machine and its application method for Fused Deposition Modeling FDM molded parts

本发明公开了一种针对熔融沉积制造FDM成型件的抛光机及其使用方法，包括抛光机主体及设置在抛光机主体内的加热系统、冷凝系统、恒压循环系统及控制系统；所述抛光机主体包括样品屉，样品屉的底部为网格状结构例如丝网；所述加热系统设于样品屉下方，包括抛光液箱和用于对抛光液箱加热的加热装置，抛光液箱的开口向上并正对样品屉的底部；所述冷凝系统对应样品屉设置；所述恒压循环系统对应样品屉设置；所述加热系统、冷凝系统均与所述控制系统相连；通过加热系统加热后抛光液气化并上升至样品屉内对待抛光件进行抛光，抛光结束后通过冷凝系统制冷降低样品屉内温度以使汽化的抛光液冷凝并回流至抛光液箱。

Dissolution and concentration of polymer compound

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

A kind of porous silk fibrous material and preparation method thereof

本发明涉及一种多孔蚕丝纤维及其制备方法，包括如下步骤：（1）蚕丝置于酸性溶剂中充分溶胀；（2）溶胀后的蚕丝样品置于溶胀溶剂冰点以下进行冷冻处理；（3）将冷冻蚕丝置于有机溶剂或水中浸泡去除溶胀溶剂；（4）处理后的蚕丝进行冷冻干燥，即得到多孔蚕丝纤维。通过该方法制备蚕丝多孔纤维，设备与工艺简单、操作影响因素少，利于控制，适合实验研究和批量化生产，且制备的多孔蚕丝纤维极大地提高了蚕丝的比表面积、孔隙率、降低蚕丝纤维密度，产品可用于组织工程、空气过滤、药物缓释等新技术领域。

Manufacturing method for polyvinylalcohol film containing antibiotics, mixed with inorganic particles

본 발명은 무기입자를 용매에 분산시키고, 항생제와 폴리아세트산비닐을 용해시켜 무기입자가 혼입된 항생제 함유 폴리아세트산비닐을 함유하는 용액을 제조하는 제1 단계; 상기 용액으로부터 용매를 휘발시켜 무기입자가 혼입된 항생제 함유 폴리아세트산비닐 필름을 제조하는 제2 단계; 및 상기 무기입자가 혼입된 항생제 함유 폴리아세트산비닐 필름을 비누화하는 제3 단계;를 포함하는, 무기입자가 혼입된 항생제 함유 폴리비닐알코올 필름의 제조방법 및 이에 따라 제조한 무기입자가 혼입된 항생제 함유 폴리비닐알코올 필름에 관한 것이다. 본 발명에 따르면 비표면적이 증가하고 강도가 향상되면서 항생제의 장기 보존이 가능한 무기입자가 혼입된 항생제 함유 폴리비닐알코올 필름을 제조할 수 있다. The present invention comprises a first step of dispersing an inorganic particle in a solvent, dissolving the antibiotic and polyvinyl acetate to prepare a solution containing an antibiotic-containing polyvinyl acetate containing the inorganic particles; A second step of preparing a antibiotic-containing polyvinyl acetate film containing inorganic particles by volatilizing a solvent from the solution; And a third step of saponifying the antibiotic-containing polyvinyl acetate film in which the inorganic particles are mixed. The method includes preparing an antibiotic-containing polyvinyl alcohol film in which the inorganic particles are mixed, and the antibiotic containing the inorganic particles prepared therein. It relates to a polyvinyl alcohol film. According to the present invention, an antibiotic-containing polyvinyl alcohol film containing an inorganic particle capable of long-term preservation of antibiotics can be prepared while increasing specific surface area and improving strength.

Etching liquid and etching method of resin composition

알칼리 불용성 수지, 20 ∼ 40 질량％ 의 유기 충전제 및 30 ∼ 50 질량％ 의 무기 충전제를 포함하는 수지 조성물 등에 유용한 에칭액을 제공한다. 제 1 성분으로서의 15 ∼ 45 질량％ 의 알칼리 금속 수산화물 및 제 2 성분으로서의 1 ∼ 40 질량％ 의 에탄올아민 화합물을 함유하고, 또한 알코올 화합물 및 카르복실산 화합물에서 선택된 적어도 1 종의 제 3 성분을 함유하는 것을 특징으로 하는 수지 조성물의 에칭액, 및 그 에칭액을 사용하는 에칭 방법. An etchant useful for a resin composition comprising an alkali-insoluble resin, 20 to 40 mass% of an organic filler, and 30 to 50 mass% of an inorganic filler, and the like is provided. 15 to 45 mass % of an alkali metal hydroxide as the first component and 1 to 40 mass % of an ethanolamine compound as the second component, and further contains at least one third component selected from an alcohol compound and a carboxylic acid compound An etchant for a resin composition, and an etching method using the etchant.

Manufacture of oriented film of fluorinated ion exchange polymer

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

A kind of PC material surfaces anti-reflection processing method of notebook computer

本发明创造提供一种笔记本电脑的PC材料表面增透处理方法，利用二氯甲烷和PC材料之间的溶解关系，以及利用二氯甲烷蒸气的均匀以及少量分布，且对蒸气分布的量易于控制的特点，将二氯甲烷蒸气冷凝于PC材料件需增透表面并与该表面的微凸起发生溶解，凸起由于溶解而平整，改善该表面的光洁度，增加其透光率，实现增透的目的；相对于传统的精加工工艺，工艺简单，处理效率较高，且透明程度高；本发明用于加工PC材料装饰件或者其他成形件，使其具有较高的透明程度，具有美感及其使用性能，扩展PC材料的使用范围，提高加工效率，降低加工成本。

Method for introducing carbon particles into a polyurethane surface layer

The invention relates to a method for introducing electrically conductive carbon particles into a surface layer comprising polyurethane. These carbon particles can in particular be carbon nanotubes. In the method according to the invention, a solution of non-aggregated carbon particles having a mean particle diameter of ≥ 0.3 nm to ≤ 3000 nm acts in a solvent upon a surface layer comprising polyurethane. The solvent is able to cause the maceration of a surface layer comprising polyurethane. The dwell time is measured such that it is not sufficient to carry the polyurethane over into the solution. The invention furthermore relates to a polyurethane layer that comprises electrically conductive carbon particles and can be obtained by means of a method according to the invention. The invention likewise relates to a polyurethane object having surface layer comprising electrically conductive carbon particles, obtainable by a method according to the invention.

Method and apparatus for dissolution and concentration of polymer compound

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Polarizing film, polarizing film, laminated polarizing film, image display panel and image display device, and manufacturing method of polarizing film

폴리비닐알코올계 필름에 요오드가 흡착 배향해서 형성되는 편광막이며, 힌더드아민계 화합물을 포함하고, 상기 힌더드아민계 화합물은 25℃의 물 100중량부에 대하여 1중량부 이상 용해할 수 있는 수용성 힌더드아민계 화합물이다. 상기 편광막은 고온 환경하에 있어서 편광막의 착색에 의한 단체 투과율의 저하의 억제 효과가 우수하다.

Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers

This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers.