FLUOROPOLYMERS HAVING DIACRYLATE ENDS

Disclosed herein is a telechelic diacrylate fluoropolymer and a process for manufacture of the fluoropolymer. The diacrylate copolymer is of formula CH═CR′COO—(CH)—R—(CH)—OOCCR′═CH, wherein R is selected from the group consisting of i) an oligomer comprising copolymerized units of vinylidene fluoride and perfluoro(methyl vinyl ether), ii) an oligomer comprising copolymerized units of vinylidene fluoride and hexafluoropropylene, iii) an oligomer comprising copolymerized units of tetrafluoroethylene and perfluoro(methyl vinyl ether), and iv) an oligomer comprising copolymerized units of tetrafluoroethylene and a hydrocarbon olefin, R′ is H or —CH, n is 1-4 and wherein said oligomer has a number average molecular weight of 1000 to 25,000 daltons. 1. A process for the manufacture of a telechelic diacrylate copolymer , said process comprising:{'sub': 2', 'n', '2', 'n, 'A) providing a diol of formula HO—(CH)—R—(CH)—OH, wherein n is 1-4 and R is an oligomer having a number average molecular weight of 1000 to 25,000 daltons, said oligomer selected from the group consisting of i) an oligomer comprising copolymerized units of vinylidene fluoride and perfluoro(methyl vinyl ether), ii) an oligomer comprising copolymerized units of vinylidene fluoride and hexafluoropropylene, iii) an oligomer comprising copolymerized units of tetrafluoroethylene and perfluoro(methyl vinyl ether), and iv) an oligomer comprising copolymerized units of tetrafluoroethylene and a hydrocarbon olefin; and'}{'sub': 2', '3', '2', '2', 'n', '2', 'n', '2, 'B) reacting said diol with CH═CR′COX, wherein X is a halide and R′ is H or —CH, to form a diacrylate copolymer of formula CH═CR′COO—(CH)—R—(CH)—OOCCR′═CH.'}2. A process for the manufacture of a telechelic diacrylate copolymer of wherein n is 2 or 3.3. A process for the manufacture of a telechelic diacrylate copolymer of wherein said oligomer has a number average molecular weight of 1200 to 12 claim 1 ,000 daltons.4. A process for the manufacture of a ...

POLYALKYL(METH)ACRYLATE FOR IMPROVING LUBRICATING OIL PROPERTIES

The invention relates to a polyalkyl (meth) acrylate for improving lubricating oil properties, which comprises repetition units which are derived from (meth) acrylates having 6 to 22 carbon atoms in the alcohol residues, and repetition units which are derived from amine derivatives of an ethylenically unsaturated monomer. The invention further relates to methods for producing and using the present polyalkyl (meth) acrylate. 1. A polyalkyl(meth)acrylate comprising:a repeat unit derived from a (meth)acrylate having from 6 to 22 carbon atoms in an alcohol radical, anda repeat unit derived from an amine derivative of a polar ethylenically unsaturated monomer.2. The polyalkyl(meth)acrylate of claim 1 ,wherein the polyalkyl(meth)acrylate is a graft copolymera graft base of the graft copolymer comprises a repeat unit derived from a (meth)acrylate having from 6 to 22 carbon atoms in an alcohol radical, anda graft of the graft copolymer comprises a repeat unit derived from an amine derivative of a polar ethylenically unsaturated monomer.3. The polyalkyl(meth)acrylate of claim 1 ,wherein the polar ethylenically unsaturated monomer is maleic acid, maleic anhydride or a maleic acid derivative.4. The polyalkyl(meth)acrylate of .wherein the polar ethylenically unsaturated monomer is a (meth)acrylate comprising an epoxide group.5. The polyalkyl(meth)acrylate of claim 1 ,wherein the amine derivative is derived from a primary amine.6. The polyalkyl(meth)acrylate of claim 1 ,wherein the amine derivative is derived from an amine that comprises a primary amino group and a secondary amino group.7. The polyalkyl(meth)acrylate of claim 6 ,wherein the amine derivative is derived from N-phenyl-1,4-phenylenediamine.8. The polyalkyl(meth)acrylate of claim 1 ,wherein the polyalkyl(meth)acrylate has a specific viscosity of from 5 to 35 mL/g at 100° C.9. The polyalkyl(meth)acrylate of claim 1 , comprising:a repeat unit derived from a styrene monomer, a heterocyclic monomer, a vinyl ether, a ...

PROCESS FOR CONTINUOUS EMULSION POLYMERIZATION

The invention relates to a process for the preparation of polymers and to an apparatus for performing this process. The apparatus comprises devices and reactors that are combined in the sequence of first a mixing device, second a flow microwave and optionally third one or more additional reactors. 1. Process for the preparation of polymers , wherein at least two immiscible starting material flows are mixed in a mixing device , wherein one or more monomers and optionally one or more radical initiators are present in the same or in separate starting material flows , wherein the temperature of the material flow in the mixing device is kept below the initiation temperature of the one or more radical initiators or kept below the polymerization or cross-linking temperature of the monomers , and wherein the mixed material flow is subsequently heated in a flow microwave to start polymerization of the monomers.2. Process according to claim 1 , wherein the temperature of the material flow in the mixing device is kept between −10° C. and 60° C.3. Process according to claim 1 , wherein the temperature in the flow microwave is kept between 40° C. and 120° C.4. Process according to claim 1 , wherein the mixing device generates an emulsion with an average droplet size of 1 μm to 2000 μm from the starting material flows claim 1 , and the particle size distribution has a variation coefficient of less than 1.5. Process according to claim 1 , wherein the material passes one or more additional reactors after heating in the flow microwave.6. Process according to claim 5 , wherein the additional reactor is a tube reactor.7. Process according to claim 5 , wherein an isothermal temperature profile or a temperature gradient is applied along the process comprising the flow microwave and one or more of the additional reactors claim 5 , when present.8. Process according to claim 1 , wherein the mixed material flow in the process is a laminar flow with a Reynolds number of less than 100.9. ...

Resin blend for melting process

The present invention relates to a resin blend for a melting process, to a method for preparing same, and to a resin-molded article having a specific layer separation structure, the resin blend comprising a first resin and a second resin, wherein the second resin comprises a polymer resin having an organic functional group containing one or more oxygen atoms, and has a melt viscosity difference of 0.1 to 3,000 pa*s with respect to the first resin at a shear rate of 100 to 1,000 s −1 and a processing temperature of the resin blend. The resin blend allows a resin-molded article to have enhanced mechanical properties and surface hardness, and exhibits the effects of reducing a processing time, increasing productivity and reducing production cost by eliminating an additional surface coating step.

UV-ABSORBING POLYMERS AND FORMULATIONS THEREOF

UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers. 3. The polymer according to wherein said vinyl ether is selected from the group consisting of: methyl vinyl ether claim 2 , ethyl vinyl ether claim 2 , isobutyl vinyl ether claim 2 , octyl vinyl ether claim 2 , ethyl hexyl vinyl ether claim 2 , decyl vinyl ether claim 2 , dodecyl vinyl ether claim 2 , tetradecyl vinyl ether claim 2 , hexadecyl vinyl ether claim 2 , octadecyl vinyl ether claim 2 , and combinations thereof.4. The polymer according to wherein said alpha-olefin is selected from the group consisting of: isobutylene claim 2 , octadecene claim 2 , and combinations thereof.9. The polymer according to wherein said vinyl ether is selected from the group consisting of: methyl vinyl ether claim 8 , ethyl vinyl ether claim 8 , isobutyl vinyl ether claim 8 , octyl vinyl ether claim 8 , ethyl hexyl vinyl ether claim 8 , decyl vinyl ether claim 8 , dodecyl vinyl ether claim 8 , tetradecyl vinyl ether claim 8 , octadecyl vinyl ether claim 8 , and combinations thereof.10. The polymer according to wherein said alpha-olefin is selected from the group consisting of: isobutylene claim 8 , octadecene claim 8 , and combinations thereof.19. A polymer comprising: a first repeating unit selected from the group consisting of:{'sub': 1', '2', '3', '12', '13', '15', '16', '22', '24', '25', '32', '34', '35, 'claim-ref': {'@idref': 'CLM-00013', 'claim 13'}, 'maleamic acids, maleic anhydride, 4-vinyl-1,2,3-triazoles, 5-vinyl-1,2,3-triazoles, (meth)acrylamides, (meth)acrylates, vinyls, allyls, α, β-olefinically unsaturated carboxylic nitriles, styrenes, vinyl ethers, vinyl esters, vinyl acetates, vinyl amides, vinyl alcohols, ...

POLYVINYL ACETAL MICROPARTICLES FOR WATER-BASED DISPERSION

The present invention provides polyvinyl acetal fine particles for an aqueous dispersion which exhibit excellent dispersion stability in a water-containing dispersion medium, and allow for formation of a film having sufficient mechanical strength and flexibility without voids and non-uniform structures such as irregularities, and an aqueous dispersion of the polyvinyl acetal fine particles for an aqueous dispersion. 114-. (canceled)16. The polyvinyl acetal fine particles according to claim 15 ,wherein the polyvinyl acetal fine particles have an average sphericity of at least 0.9.17. The polyvinyl acetal fine particles according to claim 15 ,wherein the polyvinyl acetal resin has an ionic functional group content of 0.01 to 1 mmol/g.18. An aqueous dispersion comprising the polyvinyl acetal fine particles according to claim 15 , dispersed in a water-containing dispersion medium.19. A method for producing the polyvinyl acetal fine particles according to claim 15 , the method comprising:preparing the polyvinyl acetal resin with an ionic functional group;dissolving the polyvinyl acetal resin in an organic solvent; andcausing fine particles of the polyvinyl acetal to precipitate. The present invention relates to polyvinyl acetal fine particles for an aqueous dispersion which exhibit excellent dispersion stability in a water-containing dispersion medium, and allow for formation of a film having sufficient mechanical strength and flexibility without voids and non-uniform structures such as irregularities, an aqueous dispersion of the polyvinyl acetal fine particles for an aqueous dispersion, and a method for preparing the polyvinyl acetal fine particles for an aqueous dispersion.Polyvinyl acetal resin is used in a wide range of applications including wash primers used in metal treatment, various paint compositions, adhesives, resin treating agents, and ceramic binders. Recently, the range of its applications has been expanded to include the electronic material field. In ...

CORE/SHELL TYPE POLYMER MICROPARTICLES, DISPERSION OF PARTICLES, AND METHOD FOR PRODUCING SAID MICROPARTICLES

Provided are core/shell type polymeric particles including a shell and a core, in which the particles can be produced by a method using neither a surfactant nor a high-molecular-weight azo initiator, exhibit satisfactory dispersibility in aqueous medium, and are useful as, for instance, a dispersant, a metal-protecting stabilizer, or a metal adsorbent. A core/shell type polymeric particle including a shell including a hydrophilic vinyl ether polymer (a) and a core including a hydrophobic polymer (b). 1. A core/shell type polymeric particle comprising a shell comprising a hydrophilic vinyl ether polymer (a) and a core comprising a hydrophobic polymer (b).2. The particle according to claim 1 , wherein the shell is composed of the hydrophilic vinyl ether polymer (a) and the core is composed of the hydrophobic polymer (b).4. The particle according to claim 1 , wherein a monomer as a component of the hydrophobic polymer (b) is one or more of monomer selected from consisting of an olefin claim 1 , an aromatic vinyl compound claim 1 , (meth)acrylic acid claim 1 , a (meth)acrylic acid derivative claim 1 , (meth)acrylamide claim 1 , a (meth)acrylamide derivative claim 1 , or a vinyl ester of saturated aliphatic carboxylic acid.5. The particle according to claim 1 , which has an average particle size of from 100 to 2000 nm.6. The particle according to claim 1 , wherein the hydrophilic vinyl ether polymer (a) and the hydrophobic polymer (b) are each a linear polymer.7. The particle according to claim 1 , which is produced by subjecting a hydrophilic vinyl ether polymer and a hydrophobic monomer to emulsion polymerization in an aqueous medium.8. A particle dispersion comprising the particles according to dispersed therein.9. A method for producing core/shell type polymeric particles claim 1 , the method comprising:subjecting a hydrophilic vinyl ether polymer and a hydrophobic monomer to emulsion polymerization in an aqueous medium.10. The method according to claim 9 , wherein ...

Polymer composite particles containing much of organic sunscreen agents and the method for preparing thereof

The present invention relates to polymer composite particles containing much organic sunscreen agents and a method of preparing the polymer composite particles, and more particularly to polymer composite particles containing much organic sunscreen agents that are spherical polymer composite particles in which solid organic Sunscreen agents are embedded between polymer matrixes by 40 to 50 wt %, include a significantly larger amount of the organic sunscreen agents than polymer composite particles of related art, have excellent light stability despite presence of a large amount of organic sunscreen agents, are superior not only in UV-A region but also UV-B region, are excellent in skin stability and feeling of use when applied to cosmetics, and can significantly improve sunscreen function, and a method of preparing the polymer composite particles.

BINDER FOR ELECTRIC DOUBLE-LAYER CAPACITOR ELECTRODE, ELECTRIC DOUBLE-LAYER CAPACITOR ELECTRODE COMPRISING SAME BINDER, ELECTRIC DOUBLE-LAYER CAPACITOR USING SAME ELECTRODE, AND ELECTRIC APPARATUS

A binder for an electric double-layer capacitor electrode according to the present invention includes a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid. 1. A binder for an electric double-layer capacitor electrode , the binder comprising a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.2. The binder of claim 1 , whereinthe binder comprises 20% by mass or more of the copolymer of the vinyl alcohol and the alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.3. The binder of claim 1 , whereinthe copolymer of the vinyl alcohol and the alkali metal-neutralized product of ethylene-unsaturated carboxylic acid has a molar ratio of the vinyl alcohol to the alkali metal-neutralized product of ethylene-unsaturated carboxylic acid of 9/1-1/9.4. The binder of claim 1 , whereinthe alkali metal-neutralized product of ethylene-unsaturated carboxylic acid is an alkali metal-neutralized product of acrylic acid or an alkali metal-neutralized product of methacrylic acid.5. The binder of claim 1 , whereinthe copolymer of the vinyl alcohol and the alkali metal-neutralized product of ethylene-unsaturated carboxylic acid has a volume average particle size of 1 μm to 200 μm.6. The binder of claim 1 , whereinan aqueous solution containing 1% by mass of the copolymer of the vinyl alcohol and the alkali metal-neutralized product of ethylene-unsaturated carboxylic acid has a viscosity of 50 mPa·s to 10000 mPa·s.7. An electric double-layer capacitor electrode comprising: an active material; a conductive assistant; and the binder of .8. The electric double-layer capacitor electrode of claim 7 , whereinthe content of the binder is 0.5% by mass to 30% by mass relative to the total mass of the active material, the conductive assistant, and the binder.9. An electric double-layer capacitor comprising the electric double-layer capacitor electrode of .10. An ...

Resin composition and molded body thereof

The present invention provides a resin composition having superior flexibility and that exhibits excellent durability in thermal molding, and a molded body of such a resin composition. The present invention relates to a resin composition comprising: a copolymer (B) constituted of a vinyl alcohol polymer (B-1) region and a diene polymer (B-2) region; and at least one compound selected from the group consisting of a phenol-based compound (C), an amine-based compound (D), and a phosphorus-based compound (E).

Reactive particles for coating technologies

In an embodiment, a composition comprises a plurality of reactive particles; wherein at least a first portion of the reactive particles comprises a first reactive monomer located in a first matrix polymer; wherein the first reactive monomer comprises a self-reactive monomer or wherein the first reactive monomer can polymerize with a second reactive monomer located in a second matrix polymer of a second portion of the reactive particles to form a coating polymer. In another embodiment, a method of making the plurality of reactive particles, comprises polymerizing a first matrix monomer in the presence of the first reactive monomer; or polymerizing the first matrix monomer to form a plurality of particles and swelling the plurality of particles with the first reactive monomer. In another embodiment, a method comprises cold spraying the plurality of reactive particles.

ION-EXCHANGE MEMBRANE

The present invention provides a polyvinyl alcohol-based ion-exchange membrane having practical dimensional stability and electrodialysis performance, and a method for producing the ion-exchange membrane. The present invention relates to an ion-exchange membrane which gives an infrared absorption spectrum that satisfies the relationship (A): 1. An ion-exchange membrane which gives an infrared absorption spectrum that satisfies the relationship shown by formula (A):{'br': None, 'i': Z', 'X+Y', 'T, '30≦{−()×30/2}/\u2003\u2003(A)'}wherein{'sup': '−1', 'X is the absorbance at an absorption wavelength of 1690 cm,'}{'sup': '−1', 'Y is the absorbance at an absorption wavelength of 1720 cm,'}{'sup': −1', '−1, 'Z is the integral value for the region lying between absorption wavelengths of 1,690 cmand 1,720 cm, and'}T is the thickness of the ion-exchange membrane.2. The ion-exchange membrane according to claim 1 , comprising a polyvinyl alcohol-containing polymer or a composition comprising the polymer.3. The ion-exchange membrane according to claim 2 , wherein the polyvinyl alcohol-containing polymer or the composition comprising the polymer comprises an ionic group.4. The ion-exchange membrane according to claim 3 , wherein the ionic group is an anionic group.5. The ion-exchange membrane according to claim 3 , wherein the ionic group is a cationic group.6. A method for producing the ion-exchange membrane according to claim 1 , comprising heat-treating a polyvinyl alcohol-containing polymer or a composition comprising the polymer. The present invention relates to an ion-exchange membrane having practical dimensional stability and electrodialysis performance.Ion-exchange membranes are used for various usages including, for example, concentration of seawater, desalination or removal of nitrate nitrogen of underground brine for drinking water, desalting in a food manufacturing process, concentration of an active ingredient in a pharmaceutical product and the like as ion- ...

ANION EXCHANGE ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL INCLUDING THE SAME, AND FUEL CELL INCLUDING THE SAME

Disclosed is an anion exchange electrolyte membrane including: a base polymer having a polar group; and a graft chain having a specific structural unit. The graft chain is, for example, a polymer chain that is formed from diallyldimethylammonium chloride as a monomer. 3. The anion exchange electrolyte membrane according to claim 1 , wherein the polar group is at least one selected from the group consisting of a hydroxyl group claim 1 , a carboxyl group claim 1 , an ester group claim 1 , an ether group claim 1 , an amide group claim 1 , and an amino group.4. The anion exchange electrolyte membrane according to claim 1 , wherein the base polymer comprises at least one selected from the group consisting of polycarbonate resins claim 1 , polyester resins claim 1 , cellulose-based resins claim 1 , polyvinyl acetal resins claim 1 , polyamide resins claim 1 , (meth)acrylic resins claim 1 , urea resins claim 1 , phenol resins claim 1 , melamine resins claim 1 , epoxy resins claim 1 , acetal resins claim 1 , polyvinyl acetate resins claim 1 , polyvinyl alcohol resins claim 1 , ethylene-vinyl alcohol copolymers claim 1 , hydrophilized polyolefin resins claim 1 , and hydrophilized polystyrene resins.5. A membrane-electrode assembly for an anion exchange membrane fuel cell claim 1 , comprising the anion exchange electrolyte membrane according to .6. An anion exchange membrane fuel cell comprising the membrane-electrode assembly for an anion exchange membrane fuel cell according to . The present invention relates to an anion exchange electrolyte membrane, a membrane-electrode assembly for a fuel cell including the membrane, and a fuel cell including the assembly.Polymer electrolyte fuel cells have the advantage of being operable in the ordinary temperature range and are expected to be used in a wide variety of applications. In particular, anion exchange membrane fuel cells have the following advantages: they can be produced at low cost because there is no particular need to use ...

BINDER FOR MANUFACTURING INORGANIC SINTERED BODY

The present invention provides a binder for manufacturing an inorganic sintered body that has excellent adhesiveness upon heat pressing and thermal decomposability and, especially when used as a binder for a ceramic green sheet, provides a ceramic green sheet having sufficient mechanical strength and flexibility. The present invention also provides a paste for manufacturing an inorganic sintered body, a ceramic green sheet, and a ceramic laminate individually manufactured using the binder for manufacturing an inorganic sintered body. The present invention provides a binder for manufacturing an inorganic sintered body containing a graft copolymer having a unit including polyvinyl butyral and a unit including a poly(meth)acrylic compound, the polyvinyl butyral having a polymerization degree of 800 to 5000, a hydroxy group content of 20 to 40 mol %, and a butyralization degree of 60 to 80 mol %, the unit including a poly(meth)acrylic compound having a glass transition temperature of 0 to 110° C. 1. A binder for manufacturing an inorganic sintered body containing a graft copolymer , the graft copolymer having a unit including polyvinyl butyral and a unit including a poly(meth)acrylic compound ,the polyvinyl butyral having a polymerization degree of 800 to 5000, a hydroxy group content of 20 to 40 mol %, and a butyralization degree of 60 to 80 mol %,the unit including a poly(meth)acrylic compound having a glass transition temperature of 0 to 110° C.2. The binder for manufacturing an inorganic sintered body according to claim 1 , {'br': None, 'Average glass transition temperature={(Glass transition temperature of unit including polyvinyl butyral)×(Amount of unit including polyvinyl butyral in graft copolymer)}+{(Glass transition temperature of unit including poly(meth)acrylic compound)×(Amount of unit including poly(meth)acrylic compound in graft copolymer)}\u2003\u2003(1).'}, 'wherein an average glass transition temperature obtained by calculation using Equation (1) is ...

RESIN HAVING ANION-EXCHANGE GROUP, AND RESIN-CONTAINING LIQUID, MULTILAYER BODY, MEMBER, ELECTROCHEMICAL ELEMENT, AND ELECTROCHEMICAL DEVICE THAT INCLUDE THE SAME

Provided is a resin including a copolymer having a first structural unit and/or second structural unit and a structural unit having a polar group. 3. The resin according to claim 1 , wherein the copolymer further has a fourth structural unit represented by the following formula (4):{'br': None, 'sub': 2', '2, '\ue8a0CH—CH\ue8a0\u2003\u2003(4)'}4. The resin according to claim 2 , wherein Ris a hydrophilic polar group claim 2 , or an alkyl group which has 1 to 3 carbon atoms and in which at least one hydrogen atom is substituted by a hydrophilic polar group.5. The resin according to claim 2 , whereinthe copolymer is a graft copolymer, andthe graft copolymer comprises: a polymer substrate having the third structural unit; and a graft chain having the first structural unit and/or the second structural unit.6. The resin according to claim 2 , wherein the hydrophilic polar group is at least one selected from the group consisting of a carboxyl group claim 2 , a sulfo group claim 2 , a phosphonate group claim 2 , a hydroxyl group claim 2 , an ester group claim 2 , an ether group claim 2 , an amide group claim 2 , and an amino group.7. A resin-containing liquid comprising the resin according to and a solvent.8. The resin-containing liquid according to claim 7 , whereinthe solvent is a mixed solvent containing a water-soluble organic solvent and water, anda maximum amount of the water-soluble organic solvent soluble in 1 L of water at 20° C. is 20 g or more.9. The resin-containing liquid according to claim 7 , wherein the resin is dissolved in the solvent.10. A multilayer body comprising two or more layers claim 1 , wherein the layers include a first layer containing the resin according to .11. The multilayer body according to claim 10 , whereinthe two or more layers include a second layer,the second layer has an anion-exchange polymer electrolyte membrane, andthe first layer is stacked on the second layer.12. The multilayer body according to claim 11 , whereinthe anion- ...

Grafted Polyvinyl Alcohol Polymer, Formulations Containing The Same, And Creping Methods

A grafted polyvinyl alcohol polymer includes a polyvinyl alcohol main chain and a plurality of side chains grafted to the polyvinyl alcohol main chain. One or more of the side chains from the plurality of side chains include one or more units selected from: an aliphatic carboxylic acid, an aliphatic amide, an amino alkyl (meth)acrylate, a hydroxylated alkyl (meth)acrylate, or any combinations thereof. The grafted polyvinyl alcohol polymer can be included in a formulation that also includes water, and the formulation can be used as an adhesive in a creping process. 1. A grafted polyvinyl alcohol polymer comprising a polyvinyl alcohol main chain and a plurality of side chains grafted to the polyvinyl alcohol main chain ,wherein one or more of said side chains from the plurality of side chains comprise one or more units selected from: an aliphatic carboxylic acid, an aliphatic amide, an amino alkyl (meth)acrylate, a hydroxylated alkyl (meth)acrylate, or any combinations thereof.2. The grafted polyvinyl alcohol polymer of claim 1 , wherein the one or more of said side chains from the plurality of side chains comprise: units of the aliphatic carboxylic acid claim 1 , units of the aliphatic amide claim 1 , units of the amino alkyl (meth)acrylate claim 1 , and units of the hydroxylated alkyl (meth)acrylate.3. The grafted polyvinyl alcohol polymer of claim 1 , wherein the one or more of said side chains from the plurality of side chains comprise units of the aliphatic carboxylic acid.4. The grafted polyvinyl alcohol polymer of claim 1 , wherein the one or more of said side chains from the plurality of side chains comprise units of the aliphatic amide.5. The grafted polyvinyl alcohol polymer of claim 1 , wherein the one or more of said side chains from the plurality of side chains comprise units of the hydroxylated alkyl (meth)acrylate.6. The grafted polyvinyl alcohol polymer of claim 1 , wherein the one or more of said side chains from the plurality of side chains comprise: ...

COMPOSITION FOR FORMING HYDROGEL, HYDROGEL, AND METHOD FOR PRODUCING COMPOSITION FOR FORMING HYDROGEL

Provided is a hydrogel-forming composition capable of forming a sterilized hydrogel having a high mechanical strength. Also provided are a hydrogel using the hydrogel-forming composition, and a method for producing the hydrogel-forming composition. The hydrogel-forming composition contains a vinyl alcohol polymer having an ethylenically unsaturated group and having a polymerization degree of 450 or more, in which the ethylenically unsaturated group introduction ratio is 0.01 to 10 mol % in all the structural units constituting the vinyl alcohol polymer, and in which no microorganisms detectable by the sterility test method (direct method) specified in the general test methods of the Japanese Pharmacopoeia are present. 1. A hydrogel-forming composition comprising a vinyl alcohol polymer having an ethylenically unsaturated group and having a polymerization degree of 450 or more , in which the ethylenically unsaturated group introduction ratio is 0.01 to 10 mol % in all the structural units constituting the vinyl alcohol polymer , and in which no microorganisms detectable by the sterility test method (direct method) specified in the general test methods of the Japanese Pharmacopoeia are present.2. The hydrogel-forming composition according to claim 1 , wherein the ethylenically unsaturated group is at least one kind selected from the group consisting of a vinyl group claim 1 , a (meth)acryloyloxy group claim 1 , a (meth)acryloylamino group claim 1 , a vinylphenyl group claim 1 , a norbornenyl group claim 1 , and derivatives thereof.3. A method for producing a hydrogel-forming composition of claim 1 , wherein a composition preparation prepared by mixing the vinyl alcohol polymer and a solvent is sterilized.4. A method for producing a hydrogel-forming composition of claim 3 , wherein the sterilization is autoclave sterilization.5. A hydrogel prepared by crosslinking a hydrogel-forming composition of . The present invention relates to a sterilized, hydrogel-forming ...

AQUEOUS RESIN DISPERSION, PRODUCTION METHOD FOR AQUEOUS RESIN DISPERSION, HYDROPHILIZATION AGENT, HYDROPHILIZATION METHOD, METAL MATERIAL, AND HEAT EXCHANGER

Provided are an aqueous resin dispersion of an ethylene-vinyl alcohol copolymer exhibiting excellent dispersion stability, a production method for the aqueous resin dispersion, a hydrophilization agent including the aqueous resin dispersion, a hydrophilization method using the hydrophilization agent, a metal material on which a hydrophilic coating has been formed, and a heat exchanger on which a hydrophilic coating has been formed. Specifically provided are: an aqueous resin dispersion comprising an ethylene-vinyl alcohol copolymer (A) and a radical polymer (B) having a structural unit derived from a radical-polymerizable carboxylic acid monomer (B1-1), wherein the content of the radical polymer (B) is 10-80 mass % relative to the total content of the ethylene-vinyl alcohol copolymer (A) and the radical polymer (B); a production method for the aqueous resin dispersion; a hydrophilization agent including the aqueous resin dispersion; a hydrophilization method using the hydrophilization agent; a metal material on which a hydrophilic coating has been formed; and a heat exchanger on which a hydrophilic coating has been formed. 1. An aqueous resin dispersion , comprising ethylene-vinylalcohol copolymer (A) , anda radical polymer (B) having a structural unit derived from a radically polymerizable carboxylic acid monomer (B1-1),the content of an ethylene structural unit in the ethylene-vinylalcohol copolymer (A) being 24 to 44 mol %,the content of the radical polymer (B) being 10 to 80 mass % relative to the total amount of the ethylene-vinylalcohol copolymer (A) and the radical polymer (B).2. The aqueous resin dispersion according to claim 1 , wherein the radical polymer (B) further has a structural unit derived from a radically polymerizable sulfonic acid monomer (B1-2).3. The aqueous resin dispersion according to claim 1 , wherein the radical polymer (B) further has a structural unit derived from at least one radically polymerizable monomer (B2-1) selected from the ...

GRAFT COPOLYMER AND USE THEREOF

The present invention provides a polyvinyl alcohol graft copolymer including a polyvinyl alcohol main chain. The polyvinyl alcohol graft copolymer includes branched chains including structural units derived from the following monomers: (a) a fluorine-including ethylenically unsaturated monomer, (b) an ethylenically unsaturated carboxylic acid monomer, and (c) an ethylenically unsaturated amide monomer. The present invention also provides an aqueous binder composition, and an electrode slurry composition including the polyvinyl alcohol graft copolymer.

PREPOLYMERIZED RESIN AND USE THEREOF

A prepolymerized resin and a method of preparing the prepolymerized resin are provided, the method comprising a step of prepolymerizing t-butyl styrene and unsaturated bond-containing polyphenylene oxide. The unsaturated bond-containing polyphenylene oxide comprises: methacrylate-terminated polyphenylene oxide, vinylbenzyl-terminated polyphenylene oxide, vinylbenzyl-modified bisphenol A polyphenylene oxide resin, vinyl-containing chain-extended polyphenylene oxide resin or a combination thereof. A resin composition comprising the prepolymerized resin and an article made from the resin composition are also provided. 1. A prepolymerized resin prepared from a prepolymerization reaction of a composition , the composition at least comprising: (1) t-butyl styrene; and (2) unsaturated bond-containing polyphenylene oxide.2. The prepolymerized resin of claim 1 , which contains a reactive vinyl group.3. The prepolymerized resin of claim 1 , wherein the t-butyl styrene comprises o-t-butyl styrene claim 1 , m-t-butyl styrene claim 1 , p-t-butyl styrene or a combination thereof.5. The prepolymerized resin of claim 1 , wherein the unsaturated bond-containing polyphenylene oxide comprises: methacrylate-terminated polyphenylene oxide claim 1 , vinylbenzyl-terminated polyphenylene oxide claim 1 , vinylbenzyl-modified bisphenol A polyphenylene oxide resin claim 1 , vinyl-containing chain-extended polyphenylene oxide resin or a combination thereof.6. The prepolymerized resin of claim 1 , wherein the composition further comprises a vinyl-containing compound which comprises one or more carbon-carbon double bonds per molecule.7. The prepolymerized resin of claim 6 , wherein the vinyl-containing compound comprises: maleimide resin and/or a modification thereof claim 6 , polyolefin and/or a modification thereof claim 6 , acrylate and/or a modification thereof claim 6 , styrene and/or a modification thereof claim 6 , divinylbenzene and/or a modification thereof claim 6 , bis(vinylbenzyl) ...

Optical film, optical laminate, functional glass, and head-up display

The present disclosure relates to an optical film includes (A) an optical functional layer and (B) a block layer, and (B) the block layer has a cured product of a resin composition containing (B-1) a thermoplastic resin and (B-2) an ultraviolet curable resin.

SEQUENCED POLYMERS FOR MONITORING THE FILTRATE

The invention relates to a method for preparing a sequenced copolymer comprising a first block (A) connected to a second block (B), said method comprising the following steps of monitored radical polymerisation: (E1) bringing into contact, typically in an aqueous medium: unsaturated ethylene monomers m, selected in order to constitute the block (A); a source of free radicals; and an agent for monitoring the radical polymerisation; and then (E2) bringing into contact: the polymer obtained from step (E1); unsaturated ethylene monomers m; a source of free radicals; and a polymer Pwhich is not ethylenically unsaturated and supports labile hydrogens. 1. A process for the preparation of a block copolymer P comprising a first block (A) bonded to a second block (B) , the process comprising the following controlled radical polymerization stages: [{'sub': 'A', 'ethylenically unsaturated monomers m, which are identical or different, chosen for the construction of the block (A);'}, 'a source of free radicals which is suitable for the polymerization of said monomers; and', 'a control agent for the radical polymerization; then, '(E1) the following are brought into contact the polymer obtained on conclusion of stage (E1), which acts as control agent for the radical polymerization;', {'sub': 'B', 'ethylenically unsaturated monomers m, which are identical or different, chosen for the construction of the block (B);'}, 'a source of free radicals which is suitable for the polymerization of said monomers; and', {'sup': '0', 'a polymer Pwhich is not ethylenically unsaturated and which carries labile hydrogens.'}], '(E2) the following are brought into contact2. The process as claimed in claim 1 , wherein the polymer Pused in stage (E2) is a natural polymer which is not ethylenically unsaturated selected from the group consisting of:native or modified polysaccharides,lignites and lignosulfonates,alginates,gelatins,carrageenans,agars,humic acid,peptides,proteins, andthe mixtures of these ...

Uv-absorbing polymers and formulations thereof

UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.

Binder, method of preparing the same, electrode for secondary battery including the binder, and secondary battery including the electrode

A binder including a metal salt of a graft copolymer, which is a polymerization product of polyvinyl alcohol, an ethylenically unsaturated carboxylic acid, and a polymerizable monomer having a long-chain alkyl group.

Polyvinyl Alcohol-based Degradable Plastic, Preparation Method Therefor and Application Thereof, and Recycling Method Therefor

Disclosed in the present invention are a polyvinyl alcohol (PVA)-based degradable plastic, a preparation method therefor and application thereof, and a recycling method therefor. The preparation method comprises the following steps: a PVA solution is subjected to a chemical grafting reaction under an acidic condition under the action of a modifier; there are a phenyl group, an aldehyde group, and at least one group capable of forming a hydrogen bond with PVA in a structural formula of the modifier. The polyvinyl alcohol-based degradable plastic provided in the present invention has the advantages of being high in transparency, high in mechanical strength, not affected by environmental humidity, easy to degrade, good in thermal stability and good in biocompatibility, and has the advantages of recyclability, low costs, easy large-scale preparation and the like.

RESIN COMPOSITION AND METHOD FOR PRODUCING SAME

The present invention provides a resin composition satisfying both high crystallinity and excellent flexibility while ensuring desirable workability. The present invention relates to a resin composition comprising a vinyl alcohol polymer (A) and a copolymer (B), wherein the copolymer (B) comprises a vinyl alcohol polymer (B-1) and a diene polymer (B-2), and has a content ratio of 10 to 70 mass % with respect to a total mass of the vinyl alcohol polymer (A) and the copolymer (B), the resin composition having a powder or pellet form, and an average particle diameter of 50 to 4,000 μm. 1: A resin composition comprising a vinyl alcohol polymer (A) and a copolymer (B) , wherein the copolymer (B) comprises a vinyl alcohol polymer (B-1) region and a diene polymer (B-2) region , and has a content ratio of 10 to 70 mass % with respect to a total mass of the vinyl alcohol polymer (A) and the copolymer (B) , the resin composition having a powder or pellet form , and an average particle diameter of 50 to 4 ,000 μm.2: The resin composition according to claim 1 , wherein the resin composition further comprises a synthetic rubber (C) in an amount of 10 mass % or less.3: The resin composition according to claim 1 , wherein the resin composition further comprises a synthetic rubber (C) in an amount of 0.1 mass % or less.4: The resin composition according to claim 1 , wherein the diene polymer (B-2) region in the copolymer (B) has a content ratio of 30 to 80 mass % with respect to a total mass of the vinyl alcohol polymer (B-1) region and the diene polymer (B-2) region in the copolymer (B).5: The resin composition according to claim 1 , wherein the copolymer (B) comprises a vinyl alcohol structure unit in a content ratio of 15 to 60 mass % with respect to all constituent structure units of the copolymer (B).6: The resin composition according to claim 1 , wherein the diene polymer (B-2) is at least one selected from the group consisting of polybutadiene claim 1 , polyisoprene claim 1 ...

POLYVINYL ALCOHOL COMPOSITION, USE OF SAME, AND METHOD FOR PRODUCING VINYL RESIN

A composition containing: modified polyvinyl alcohol; and unsaturated monocarboxylic acid or a salt thereof, wherein the modified polyvinyl alcohol has a viscosity-average degree of polymerization of from 400 to 3500, has a degree of saponification of from 68 mol % to 99.9 mol %, and contains from 0.01 mol % to 1.50 mol % of an acryloyl group or a methacryloyl group in a side chain, the unsaturated monocarboxylic acid or a salt thereof is at least one selected from the group consisting of acrylic acid, methacrylic acid, sodium acrylate, and sodium methacrylate, and in the composition, a mass ratio of the modified polyvinyl alcohol/the unsaturated monocarboxylic acid or a salt thereof is from 82/18 to 99.9/0.1. The composition is thus provided that is excellent in water solubility and storage stability and polymerization stability of a vinyl compound and contains the modified polyvinyl alcohol. 1. A composition comprising:modified polyvinyl alcohol; andunsaturated monocarboxylic acid or a salt thereof, whereinthe modified polyvinyl alcohol has a viscosity-average degree of polymerization of from 400 to 3500 has a degree of saponification of from 68 mol % to 99.9 mol % and comprises from 0.01 mol % to 1.50 mol % of an acryloyl group or a methacryloyl group in a side chain,the unsaturated monocarboxylic acid or a salt thereof is at least one selected from the group consisting of acrylic acid, methacrylic acid, sodium acrylate, and sodium methacrylate, andin the composition, a mass ratio of the modified polyvinyl alcohol/the unsaturated monocarboxylic acid or a salt thereof is from 82/18 to 99.9/0.1.2. The composition of claim 1 , wherein the modified polyvinyl alcohol comprises a methacryloyl group in a side chain.3. The composition claim 1 , wherein the unsaturated monocarboxylic acid or a salt thereof is methacrylic acid or sodium methacrylate.4. The composition of claim 1 , further comprising a compound being at least one selected from the group consisting of:a ...

AQUEOUS RESIN DISPERSION, PRODUCTION METHOD FOR AQUEOUS RESIN DISPERSION, HYDROPHILIZATION AGENT, HYDROPHILIZATION METHOD, METAL MATERIAL, AND HEAT EXCHANGER

Provided are an aqueous resin dispersion of an ethylene-vinyl alcohol copolymer exhibiting excellent dispersion stability, a production method for the aqueous resin dispersion, a hydrophilization agent including the aqueous resin dispersion, a hydrophilization method using the hydrophilization agent, a metal material on which a hydrophilic coating has been formed, and a heat exchanger on which a hydrophilic coating has been formed. Specifically provided are: an aqueous resin dispersion comprising an ethylene-vinyl alcohol copolymer (A) and a radical polymer (B) having a structural unit derived from a radical-polymerizable carboxylic acid monomer (B1-1), wherein the content of the radical polymer (B) is 10-80 mass % relative to the total content of the ethylene-vinyl alcohol copolymer (A) and the radical polymer (B); a production method for the aqueous resin dispersion; a hydrophilization agent including the aqueous resin dispersion; a hydrophilization method using the hydrophilization agent; a metal material on which a hydrophilic coating has been formed; and a heat exchanger on which a hydrophilic coating has been formed. 1. An aqueous resin dispersion , comprising ethylene-vinylalcohol copolymer (A) , anda radical polymer (B) having a structural unit derived from a radically polymerizable carboxylic acid monomer (B1-1),the content of an ethylene structural unit in the ethylene-vinylalcohol copolymer (A) being 24 to 44 mol %,the content of the radical polymer (B) being 10 to 80 mass % relative to the total amount of the ethylene-vinylalcohol copolymer (A) and the radical polymer (B).2. The aqueous resin dispersion according to claim 1 , wherein the radical polymer (B) further has a structural unit derived from a radically polymerizable sulfonic acid monomer (B1-2).3. The aqueous resin dispersion according to or claim 1 , wherein the radical polymer (B) further has a structural unit derived from at least one radically polymerizable monomer (B2-1) selected form the ...

AGROCHEMICAL DISPERSANTS

The present disclosure provides a dispersant obtained from the reaction of a styrene maleic anhydride and a monofunctional polyalkylene glycol. The dispersant may be combined with a pesticide and water to form an aqueous agricultural composition. 2. The dispersant according to claim 1 , wherein z is zero and b is greater than zero.3. The dispersant according to claim 2 , wherein the styrene maleic anhydride copolymer has a styrene to maleic anhydride molar ratio of at least 5.0.1.0.4. The dispersant according to claim 3 , wherein the styrene maleic anhydride copolymer has a styrene to maleic anhydride molar ratio of at least 6.0:1.0.5. The dispersant according to claim 1 , wherein Ris a lower alkyl group.6. The dispersant according to claim 1 , wherein Ris a phenyl group.7. The dispersant according to claim 1 , wherein z is zero claim 1 , b is greater than zero claim 1 , c is greater than zero and AO is propyleneoxy.8. The dispersant according to claim 7 , wherein the group [(EO)-(AO)] comprises a terminal ethyleneoxy group.10. The process according to claim 9 , wherein b is greater than zero.11. The process according to claim 9 , wherein the reaction occurs in the presence of a base.12. The process according to claim 11 , wherein the base is a carbonate base.13. An aqueous agricultural composition comprising the dispersant of and a pesticide.14. The aqueous agricultural composition of claim 13 , wherein the dispersant is present in an amount from about 1%-5.5% by weight claim 13 , based on the total weight of the aqueous agricultural composition.15. The aqueous agricultural composition of claim 13 , wherein the pesticide is present in an amount of up to about 70% by weight claim 13 , based on the total weight of the aqueous agricultural composition.1618.-. (canceled) The present application claims priority to U.S. Provisional Patent Application Ser. No. 62/684,885, filed Jun. 14, 2018, the entire contents of which is hereby expressly incorporated herein by ...

POLYMERIZABLE COMPOUND, POLYMERIZABLE COMPOSITION AND OPTICAL FILM

Proposed are a polymerizable compound, a polymerizable composition, and an optical film using the same, which can exhibit superior optical properties in a wide wavelength range by reducing wavelength dependence or exhibiting reverse-wavelength dispersibility. 8. The polymerizable compound of claim 1 , which has 2 to 4 polymerizable groups and exhibits a nematic phase.9. The polymerizable compound of claim 1 , wherein a phase transition temperature capable of exhibiting a liquid crystal phase is about 0° C. to about 130° C.11. A polymerizable composition comprising the polymerizable compound of .12. An optical film comprising a polymer of the polymerizable compound of and having reverse-wavelength dispersibility.13. The optical film of claim 12 , satisfying and below at a thickness of about 0.1 μm to about 10 μm:{'br': None, 'Re(450)/Re(550)≤0.970\u2003\u2003'}{'br': None, '1.020≤Re(650)/Re(550)\u2003\u2003'}wherein, in Equation 1 and Equation 2, Re(450) is a retardation value at a wavelength of 450 nm, Re(550) is a retardation value at a wavelength of 550 nm, and Re(650) is a retardation value at a wavelength of 650 nm. The present application claims priority to and the benefit of, under 35 U.S.C. § 119, Korean Patent Application No. 10-2019-0160046, filed on Dec. 4, 2019, the entire content of which is incorporated herein for all purposes by this reference.The present disclosure relates to a polymerizable compound, a polymerizable composition, and an optical film.A flat panel display (FPD) is configured to include a member using an optical film such as a polarizing plate or a retardation plate. Here, the optical film may be obtained by dissolving a polymerizable compound in a solvent to afford a solution, applying the solution on a supporting substrate, and then performing polymerization.Meanwhile, it is known that the retardation (Re(λ)) of an optical film caused by radiation of light having a wavelength of λ nm is ...

ALKALINE SOLUBLE RESIN, PROCESS FOR PREPARING SAME, AND PHOTORESIST COMPOSITION CONTAINING SAME

An alkaline soluble resin, a process for preparing the same, and a photoresist composition containing the same. The alkaline soluble resin is a polyether chain-containing acrylate alkaline soluble resin. A photoresist composition comprising said alkaline soluble resin can reduce the slope angle of the film layer and prevent gaps which cause light leakage from forming in the junction between the colored film layer and the black matrix. Moreover, the coating and the rubbing effect of the orientation layer can be improved. 1. An alkaline soluble resin , wherein the alkaline soluble resin is a polyether chain-containing acrylate alkaline soluble resin obtained from grafting an acrylate alkaline soluble resin with a polyether chain-containing monoacid.3. The alkaline soluble resin according to claim 1 , wherein said acrylate alkaline soluble resin comprises any one of methacrylates claim 1 , amine modified acrylates claim 1 , acrylate alkaline soluble resins with polycyclic aromatic side chains claim 1 , and highly branched alkaline soluble acrylated polyesters.4. The alkaline soluble resin according to claim 1 , wherein said alkaline soluble resin contains less than 100 carbon atoms.5. A process for preparing the alkaline soluble resin according to claim 1 , comprising:1) reacting adipic acid with 1,3-dibromo-5,5-dimethylhydantoin in dichloromethane to obtain 1-bromohexanoic acid; reacting 1-bromohexanoic acid with sodium hydroxide to obtain sodium 1-hydroxyhexanoate; and reacting sodium 1-hydroxyhexanoate with acryloyl chloride to obtain an active adipate;2) reacting polyethylene glycol with the active adipate in N,N-dimethylformamide to obtain a polyether chain-containing monoacid; and3) reacting the polyether chain-containing monoacid with an acrylate alkaline soluble resin in N,N-dimethylformamide to obtain a polyether chain-containing acrylate alkaline soluble resin.6. The process for preparing the alkaline soluble resin according to claim 5 , wherein the ratio of ...

NOVEL VINYL ALCOHOL BASED COPOLYMER, PRODUCTION METHOD FOR SAME, AND ION EXCHANGE MEMBRANE

Provided are a modified vinyl alcohol (VA) having a reduced water content to exhibit a practically-required form stability, a producing method for the same, and an ion exchange membrane. (1) A copolymer (P) including, as structural units, a vinyl alcohol monomer unit (A), a vinylene monomer unit (B), and a polymer unit (C) having a polar group other than a hydroxyl group. (2) A method for producing the copolymer (P) including: providing a copolymer (P′) including a vinyl alcohol polymer unit (A′) and a polymer unit (C) having a polar group other than a hydroxyl group, and heat-treating the copolymer (P′) under an acidic condition to form a polyene structure by dehydration so as to introduce a vinylene monomer unit (B). (3) An ion-exchange membrane containing as a main component a copolymer (PA) in which the polymer unit (C) having a polar group other than a hydroxyl group is a polymer unit (CA) having an ionic group. 1. A copolymer (P) including , as structural units , a vinyl alcohol monomer unit (A) , a vinylene monomer unit (B) , and a polymer unit (C) having a polar group other than a hydroxyl group.4. The copolymer as claimed in claim 1 , wherein the polymer unit (C) having a polar group other than a hydroxyl group is a polymer unit (CA) having an ionic group.5. The copolymer as claimed in claim 2 , wherein in the formula (1) claim 2 , M is a monomer unit having an ionic group.6. The copolymer as claimed in claim 3 , wherein in the formula (1) claim 3 , M is a monomer unit having an ionic group.7. The copolymer as claimed in claim 4 , wherein the polymer unit (CA) having an ionic group is an anionic group-containing polymer unit.8. The copolymer as claimed in claim 4 , wherein the polymer unit (CA) having an ionic group is a cationic group-containing polymer unit.10. The copolymer as claimed in claim 1 , wherein the copolymer (P) has an acetal-modified site introduced by monoaldehyde treatment or a crosslinked site introduced by dialdehyde treatment.11. A ...

PROCESSING METHOD OF BASE MATERIAL SHEET, MANUFACTURING METHOD OF MODIFIED BASE MATERIAL SHEET, BASE MATERIAL WITH GRAFTED POLYMER CHAIN, AND ION EXCHANGE MEMBRANE

A processing method of a base material sheet includes winding out the base material sheet wound up by a first core and a first porous sheet wound up by a second core, winding up by a third core the base material sheet and the first porous sheet to be overlapped with each other, and processing the base material sheet by a first processing liquid held in the first porous sheet; and winding out the base material sheet and the first porous sheet overlappingly wound up by the third core, winding up the first porous sheet by the second core, and winding up the base material sheet by the first core. 1. A processing method of a base material sheet comprising:winding out the base material sheet wound up by a first core and a first porous sheet wound up by a second core,winding up by a third core the base material sheet and the first porous sheet to be overlapped with each other, andprocessing the base material sheet by a first processing liquid held in the first porous sheet; andwinding out the base material sheet and the first porous sheet overlappingly wound up by the third core,winding up the first porous sheet by the second core, and winding up the base material sheet by the first core.2. The processing method of the base material sheet according to claim 1 , further comprising:causing the base material sheet, separated from the first porous sheet, to be curved along an expander roll, between the third core and the first core, to apply a tensile force to the base material sheet in a width direction of the base material sheet.3. The processing method of the base material sheet according to claim 1 , further comprising:controlling a tensile force, applied to the base material sheet in a longitudinal direction of the base material sheet, between the third core and the first core, to be less than a tensile force, applied to the first porous sheet in a longitudinal direction of the first porous sheet, between the third core and the second core.4. The processing method of the ...

METHOD FOR TREATING SUSPENSIONS OF SOLID PARTICLES IN WATER USING COMB LIKE POLYMERS

The invention relates to a method for treating an aqueous suspension of solid particles, wherein at least one water-soluble polymer is added to the suspension, and wherein said polymer is obtained by polymerizing at least a non-ionic monomer, optionally at least one anionic and/or at least one cationic monomer, in the presence of a multifunctional free radical transfer agent. This method is particularly useful for the treatment of mineral tailings and especially for tailings resulting from oil sand extraction. 2- The method according to claim 1 , wherein the multifunctional free radical transfer agent is selected from the group consisting of polyamine; polyvinyl alcohol; polyvinyl alcohol copolymer; hydrolyzed vinyl acetate-based polymer; hydrolyzed vinyl acetate-based copolymer; polythiol; polyether imine; polycarboxylic acid; salts of polycarboxylic acid; and polyaldehyde.3- The method according to claim 1 , wherein the multifunctional free radical transfer agent is selected from the group consisting of polyvinyl alcohol; polyvinyl alcohol copolymer; hydrolyzed vinyl acetate-based polymer; and hydrolyzed vinyl acetate-based copolymer.4- The method according to claim 1 , wherein the multifunctional free radical transfer agent is a partially hydrolyzed vinyl acetate-based polymer or a partially hydrolyzed vinyl acetate-based copolymer.5- The method according to claim 4 , wherein the degree of hydrolysis of the partially hydrolyzed vinyl acetate-based polymer or copolymer is between 60% and 99%.6- The method according to claim 1 , wherein the multifunctional free radical transfer agent is an ionic partially hydrolyzed vinyl acetate-based copolymer claim 1 , said ionic copolymer comprising:between 1 and 40 mol % of at least one anionic monomer relative to the total amount of monomers; andoptionally at least one non-ionic monomer present at about 0 to 10 mol % relative to the total amount of monomers.7- The method according to claim 1 , wherein the amount of ...

BIODEGRADABLE SHEET

Disclosed is a biodegradable sheet comprising at least one layer which comprises a biodegradable polymer and surface treated nanoclay particles or at least one layer which comprises PVOH grafted with a crosslinker and PBS or PBSA or a combination a biodegradable polymer and surface treated nanoclay particles and at least one layer which comprises PVOH grafted with a crosslinker and PBS or PBSA. 1. A multilayered biodegradable sheet , wherein at least one layer comprises at least one biodegradable polymer and surface treated nanoclay particles.2. The multilayered biodegradable sheet according to claim 1 , comprising a bridge between the surface treated nanoclay particles and the biodegradable polymer claim 1 , said bridge comprising a functional moiety having at least two functional sites claim 1 , wherein at least one of the functional sites is conjugated to the nanoclay surface and at least another one of the functional sites is conjugated to the biodegradable polymer.3. The multilayered biodegradable sheet according to comprising a bridge between the surface treated nanoclay particles and the biodegradable polymer claim 1 , said bridge having a first end and a second end and comprising a plurality of functional moieties claim 1 , each functional moiety having at least two functional sites claim 1 , wherein at least one of the functional sites of one of the moieties on the first end of the bridge is conjugated to the nanoclay surface and at least one of the functional sites of another moiety on the second end of the bridge is conjugated to the biodegradable polymer claim 1 , and wherein the functional moieties are conjugated to one another between the first and second ends of the bridge.4. The multilayered biodegradable sheet according to claim 1 , wherein the surface treated nanoclay particles are a nanoclay concentrate.5. The multilayered biodegradable sheet according to claim 4 , wherein the nanoclay concentrate was prepared by ring opening polymerization (ROP). ...

PROCESS FOR THE TREATMENT OF SULFONYL FLUORIDE POLYMERS

A process for reducing the amount of soluble polymeric fractions in a sulfonyl fluoride polymer. The process comprises contacting the sulfonyl fluoride polymer with a fluorinated fluid followed by separation of the polymer from the fluid. The fluorinated fluid is selected from hydrofluoroethers and hydrofluoropolyethers. The invention further relates to sulfonyl fluoride polymers obtainable by the process and having a heat of fusion not exceeding 4 J/g and containing less than 15% by weight of polymeric fractions having an average content of monomeric units comprising a sulfonyl functional group exceeding 24 mole %. The sulfonyl fluoride polymers so obtained are particularly suitable for the preparation of ionomeric membranes for use in electrochemical devices. 1. A process for reducing to less than 15% by weight the amount of polymeric fractions in which greater than 24 mole % of such polymeric fractions comprise monomeric units having at least one sulfonyl fluoride group , in a sulfonyl fluoride polymer having a heat of fusion not exceeding 4 J/g , measured according to ASTM 3418-08 , said process comprising:contacting said sulfonyl fluoride polymer with a fluorinated fluid selected from the group consisting of hydrofluoroethers and hydrofluoropolyethers for at least 1 minute; andseparating said fluorinated fluid from said sulfonyl fluoride polymer.2. The process according to wherein the fluorinated fluid is a hydrofluoroether.3. The process according to wherein the sulfonyl fluoride polymer is contacted with the fluorinated fluid at a temperature of from −40° C. to no more than 80° C.4. The process according to any wherein the sulfonyl fluoride polymer is in pellet or granular form.511-. (canceled)12. The process according to claim 1 , wherein the process reduces to less than 10% by weight the amount of polymeric fractions in which greater than 25 mole % of such polymeric fractions comprise monomeric units having at least one sulfonyl fluoride group.13. The ...

Curable composition, manufacturing method of curable composition, cured film, manufacturing method of cured film, color filter, solid-state imaging element, solid-state imaging device, and infrared sensor

A curable composition contains a resin containing a curable group, a colorant, a polymerization inhibitor, and a polymerization initiator. A manufacturing method of the curable composition includes a colorant dispersing step of mixing together the resin containing a curable group, the colorant, and the polymerization inhibitor and a mixing step of mixing together the colorant dispersion and the polymerization initiator so as to obtain the curable composition. A cured film is obtained by curing the curable composition. A color filter, a solid-state imaging element, and an infrared sensor have the cured film. A manufacturing method of the cured film includes a curable composition layer-forming step, an exposure step, and a development step.

STAR-SHAPED VINYL ETHER POLYMER

Provided are a vinyl ether polymer which can exert temperature responsiveness even in the case of being supported on a highly hydrophobic fibrous substrate, an agent for controlling hydrophilicity and hydrophobicity containing the polymer, a method for controlling hydrophilicity and the hydrophobicity using the polymer, and a polymer-substrate composite having the polymer supported on a substrate. 1. A star-shaped vinyl ether polymer , comprising a central core and an arm portion bonded to the central core ,wherein:the arm portion comprises a repeating unit derived from a vinyl ether monomer; and {'br': None, 'sup': 1', '2, '—Y—Ar—N═N—Ar\u2003\u2003(1);'}, 'the star-shaped vinyl ether polymer comprises a structure represented by the following Formula (1){'sup': '1', 'Y represents an ether bond, a thioether bond, a group —NH—, or a group —OR—*;'}{'sup': '1', 'Rrepresents an alkylene group;'}{'sup': '1', '* represents a position bonded to Arin Formula (1);'}{'sup': '1', 'Arrepresents a substituted or unsubstituted divalent aromatic hydrocarbon group; and'}{'sup': '2', 'Arrepresents a substituted or unsubstituted monovalent aromatic hydrocarbon group.'}2. The star-shaped vinyl ether polymer according to claim 1 , wherein the structure represented by Formula (1) is bonded to the central core.4. The star-shaped vinyl ether polymer according to claim 1 , wherein the central core is formed by crosslinking of a polyfunctional coupling agent.6. An agent for controlling hydrophilicity and hydrophobicity claim 1 , the agent comprising the star-shaped vinyl ether polymer according to .7. A method for controlling hydrophilicity and the hydrophobicity of a substance claim 1 , the method comprising contacting the substance with the star-shaped vinyl ether polymer according to .8. A polymer-substrate composite claim 1 , comprising the star-shaped vinyl ether polymer according to supported on a substrate.9. The polymer-substrate composite according to claim 8 , wherein the substrate ...

UV-ABSORBING POLYMERS AND FORMULATIONS THEREOF

UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers. 112-. (canceled)15. The polymer according to wherein said vinyl ether is selected from the group consisting of: methyl vinyl ether claim 14 , ethyl vinyl ether claim 14 , isobutyl vinyl ether claim 14 , octyl vinyl ether claim 14 , ethyl hexyl vinyl ether claim 14 , decyl vinyl ether claim 14 , dodecyl vinyl ether claim 14 , tetradecyl vinyl ether claim 14 , octadecyl vinyl ether claim 14 , and combinations thereof.16. The polymer according to wherein said alpha-olefin is selected from the group consisting of: isobutylene claim 14 , octadecene claim 14 , and combinations thereof.21. The polymer according to wherein said vinyl ether is selected from the group consisting of: methyl vinyl ether claim 20 , ethyl vinyl ether claim 20 , isobutyl vinyl ether claim 20 , octyl vinyl ether claim 20 , ethyl hexyl vinyl ether claim 20 , decyl vinyl ether claim 20 , dodecyl vinyl ether claim 20 , tetradecyl vinyl ether claim 20 , octadecyl vinyl ether claim 20 , and combinations thereof.22. The polymer according to wherein said alpha-olefin is selected from the group consisting of: isobutylene claim 20 , octadecene claim 20 , and combinations thereof. The invention provides UV-absorbing polymers. The invention further provides a wide variety of formulations comprising the UV-absorbing polymers.It is now generally accepted that ultraviolet (UV) radiation can be a serious health hazard. Even a limited exposure to solar radiation can cause short- and long-term skin damage, such as erythema, burns, wrinkles, lentigo (“liver spots”), skin cancers, keratotic lesions, and other cellular changes. There is a greater risk for ...

Porous graft copolymer particles, method for producing same, and adsorbent material using same

Provided are graft copolymer particles enabling introduction of adsorptive functional groups adsorbing metals and others, a method for producing same, and an adsorbent using same. (1) Porous graft copolymer particles containing graft chains introduced into porous particles (particle surface having an average pore diameter of 0.01-50 μm) including at least one resin selected from olefin resins, water-insoluble modified polyvinyl alcohol resins, amide resins, cellulosic resins, chitosan resins and (meth)acrylate resins. (2) A method for producing porous graft copolymer particles including (I) melt-kneading a polymer A and a polymer B other than the polymer A to obtain a compound material, (II) extracting and removing the polymer B from the compound material to obtain a porous material of the polymer A, (III) granulating the porous material, and (IV) introducing graft chains into the porous particles. (3) An adsorbent of porous graft copolymer particles.

COMPOSITION AND POSITIVE-ELECTRODE BINDER COMPOSITION

An object of the present invention is to provide a composition having flexibility. A composition comprising a graft copolymer in which a monomer, including a (meth) acrylonitrile and a (meth) acrylic acid ester as a main monomer, graft-copolymerizes to a backbone polymer having a polyvinyl alcohol, wherein the polyvinyl alcohol has a saponification degree of 50 to 100 mol %, a content of the composition of the polyvinyl alcohol is 5 to 50% by mass, a total content of the (meth) acrylonitrile monomer unit and the (meth) acrylic acid ester monomer unit is 50 to 95% by mass, a content of the (meth) acrylonitrile monomer unit in a total of 100% by mass of the (meth) acrylonitrile monomer unit and the (meth)acrylate monomer unit is 20 to 95% by mass, a content of the (meth)acrylate monomer unit in a total of 100% by mass of the (meth) acrylonitrile monomer unit and the (meth)acrylate monomer unit is 5 to 80% by mass, the (meth) acrylic acid ester is a monomer whose homopolymer has a glass transition temperature of 150 to 300 K. 1. A composition comprising a graft copolymer in which a monomer , including a (meth) acrylonitrile and a (meth) acrylic acid ester as a main monomer , graft-copolymerizes to a backbone polymer having a polyvinyl alcohol , whereinthe polyvinyl alcohol has a saponification degree of 50 to 100 mol %,a content of the composition of the polyvinyl alcohol is 5 to 50% by mass,a total content of the (meth) acrylonitrile monomer unit and the (meth) acrylic acid ester monomer unit is 50 to 95% by mass,a content of the (meth) acrylonitrile monomer unit in a total of 100% by mass of the (meth) acrylonitrile monomer unit and the (meth)acrylate monomer unit is 20 to 95% by mass,a content of the (meth)acrylate monomer unit in a total of 100% by mass of the (meth) acrylonitrile monomer unit and the (meth)acrylate monomer unit is 5 to 80% by mass,the (meth) acrylic acid ester is a monomer whose homopolymer has a glass transition temperature of 150 to 300 K.2. The ...

Rubber composition and tire therewith

The present invention provides a rubber composition having superior moldability, wear resistance, and grip performance, and tires therewith. The present invention relates to a rubber composition comprising: a copolymer (B) constituted of a vinyl alcohol polymer (B-1) region and a diene polymer (B-2) region; and a rubber component (C), wherein the rubber composition comprises 1 to 20 parts by mass of the copolymer (B) relative to 100 parts by mass of the rubber component (C).

POLYVINYL ACETAL MICROPARTICLES FOR WATER-BASED DISPERSION

The present invention provides polyvinyl acetal fine particles for an aqueous dispersion which exhibit excellent dispersion stability in a water-containing dispersion medium, and allow for formation of a film having sufficient mechanical strength and flexibility without voids and non-uniform structures such as irregularities, and an aqueous dispersion of the polyvinyl acetal fine particles for an aqueous dispersion. 1. Polyvinyl acetal fine particles for an aqueous dispersion , adapted for use as dispersoids in an aqueous dispersion ,the polyvinyl acetal fine particles including a polyvinyl acetal resin with an ionic functional group, and having a volume average particle size of 10 nm to 100 μm, and a CV value of a volume-based particle size distribution of at most 40%.2. The polyvinyl acetal fine particles for an aqueous dispersion according to claim 1 ,wherein the polyvinyl acetal fine particles have an average sphericity of at least 0.9.3. The polyvinyl acetal fine particles for an aqueous dispersion according to claim 1 ,wherein the ionic functional group is at least one functional group selected from the group consisting of carboxyl, sulfonic acid, sulfinic acid, sulfenic acid, phosphate, phosphonic acid, and amino groups, and salts thereof.4. The polyvinyl acetal fine particles for an aqueous dispersion according to claim 3 ,wherein the ionic functional group is a sulfonic acid group or a salt of a sulfonic acid group.5. The polyvinyl acetal fine particles for an aqueous dispersion according to claim 1 ,wherein the polyvinyl acetal resin is a grafted copolymer having a graft chain including the ionic functional group.6. The polyvinyl acetal fine particles for an aqueous dispersion according to claim 5 ,wherein the graft chain includes a polymer of a (meth)acrylic monomer.7. The polyvinyl acetal fine particles for an aqueous dispersion according to claim 1 ,wherein the polyvinyl acetal resin has a chain-like molecular structure in which the ionic functional ...

CATHODE BINDER COMPOSITION, CATHODE SLURRY, CATHODE, AND LITHIUM ION SECONDARY BATTERY

To provide a cathode binder composition having excellent binding properties and oxidation resistance. To further provide a cathode slurry, a cathode, and a lithium ion secondary battery produced using the cathode binder composition. 1. A cathode binder composition , comprising:a graft copolymer in which a monomer containing acrylonitrile as a main component is grafted onto polyvinyl alcohol having an average degree of polymerization of 300 to 3000 and a degree of saponification of 70 to 100% by mol.2. The cathode binder composition according to claim 1 , whereina graft ratio of the graft copolymer is 20 to 150% and a weight average molecular weight of a homopolymer of polyacrylonitrile generated in the graft copolymerization is 30000 to 250000.3. The cathode binder composition according to claim 2 , whereinan amount of the polyvinyl alcohol is 40 to 80% by mass and an amount of the polyacrylonitrile is 60 to 20% by mass in the graft copolymer.4. A cathode slurry claim 2 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the binder composition according to ;'}a cathode active material; anda conductive auxiliary.5. The cathode slurry according to claim 4 , wherein{'sub': 2', '2', 'X', 'Y', 'Z', '2', 'X', 'Y', 'Z', '2', '2', '4', 'X', '(2-X)', '4', '4', '4', 'X', '(1-X)', '4', '4', '3', '2', '4', '3', '4, 'the cathode active material contains at least one kind selected from the group consisting of LiCoO, LiNiO, Li(CoNiMn)O(wherein 0 Подробнее

ALKENYL (PERFLUOROALKYL) PHOSPHINIC ACIDS

The invention relates to alkenyl(perfluoroalkyl)phosphinic acids, to the preparation and intermediates thereof, to the use thereof as monomers for the preparation of oligomers and/or polymers, to the corresponding oligomers/polymers, to the corresponding support materials comprising the oligomers/polymers, and to the use thereof as ion exchangers, as catalysts or extraction medium and corresponding salts thereof. 2. Compounds according to claim 1 , characterised in that Rdenotes a straight-chain or branched perfluoroalkyl group having 1 to 8 C atoms.3. Compounds according to claim 1 , characterised in that A and X are identical.4. Compounds according to claim 1 , characterised in that B denotes —(CRR)— claim 1 , arylene or substituted arylene.7. A method for the preparation of oligomers or polymers which comprises oligomerizina or polymerizing a compound of .8. Oligomer or polymer containing polymerised compounds of the formula I claim 1 , according to claim 1 , as monomer units.9. Process for the preparation of oligomers or polymers according to claim 8 , characterised in that compounds of the formula I claim 8 , are polymerised claim 8 , optionally together with further monomers and optionally in the presence of a crosslinking agent.10. Process according to claim 9 , characterised in that the polymerisation is carried out by means of free radicals11. Process according to claim 9 , characterised in that a homo-polymer is prepared.12. Process according to claim 9 , characterised in that the polymerisation is carried out without crosslinking agents.13. Process according to claim 9 , characterised in that the polymerisation is carried out in claim 9 , on or at a support material.14. Composite material comprising a support material and at least one compound according to .15. An ion exchanger or as Brønsted acid catalyst material comprising a compound of or a polymer or oligomer of a compound of .16. A method for the extraction of cations of the rare earths from a ...

RADIOPAQUE POLYMERS

A hydrophilic polymer comprising pendent groups of the formula I: Wherein: W is independently selected from —OH, —COOH, —SOH, —OPOH, —O—(Calkyl), —O—(Calkyl)OH, —O—(Calkyl)R, —O—(CHO)R—(C═O)—O—Calkyl and —O—(C═O)Calkyl; or a group —BZ; wherein —OH, COOH, O—POH and SOH maybe in the form of a pharmaceutically acceptable salt; wherein: B is a bond, or a straight branched alkanediyl, oxyalkylene, alkylene oxaalkylene, or alkylene (oligooxalkylene) group, optionally containing one or more fluorine substituents; and Z is an ammonium, phosphonium, or sulphonium phosphate or phosphonate ester zwitterionic group; X is either a bond or a linking group having 1 to 8 carbons and optionally 1 to 4 heteroatoms selected from O, N and S; G is a coupling group through which the group of the formula I is coupled to the polymer and is selected from ether, ester, amide, carbonate, carbamate, 1,3 dioxolone, and 1,3 dioxane; Ris H or Calkyl; Ris —COOH, —SOH, or —OPOHq is an integer from to 4; n is an integer from 1 to 4; p is an integer from 1 to 3; and n+p is from 2 to 5; and wherein —COOH, —OPOHand —SOH as well as phenolic —OH maybe in the form of a pharmaceutically acceptable salt. 2. A polymer according to which is a polyhydroxylated polymer and G is selected from ether claim 1 , ester claim 1 , carbonate claim 1 , carbamate claim 1 , 1 claim 1 ,3 dioxolone claim 1 , and 1 claim 1 ,3 dioxane;3. A polymer according to which is a polycarboxylated polymer and G is selected from ester and amide.4. A polymer according to or which is a polymer or co-polymer of polyvinyl alcohol and wherein the groups of the formula I are coupled through hydroxyl groups of the polyvinyl alcohol.5. A polymer according to or which is a homopolymer or co-polymer of PVA and wherein the groups of the formula I are coupled through hydroxyl groups of the polyvinyl alcohol.7. A polymer of any preceding claim in which n is two or three.8. A polymer according to any preceding claim in which the phenyl ring of the ...

ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE RESIN COMPOSITION, AND, ACTINIC RAY-SENSITIVE OR RADIATION-SENSITIVE FILM AND PATTERN FORMING METHOD, EACH USING THE COMPOSITION

An actinic ray-sensitive or radiation-sensitive resin composition contains a compound (P) that contains at least one phenolic hydroxyl group and at least one group in which a hydrogen atom of a phenolic hydroxyl group has been substituted with a group represented by the following General Formula (1) (in the formula, Mrepresents a single bond or a divalent linking group; Qrepresents an alkyl group, a cycloalkyl group, or an aryl group). 3. The composition according to claim 2 ,{'sup': 21', '71, 'wherein Arand Arare a phenylene group.'}4. The composition according to claim 1 ,{'sup': 11', '11, 'wherein a group represented by -M-Qis an alkyl group, an alkyl group substituted with a cycloalkyl group, a cycloalkyl group, an aralkyl group, or an aryloxyalkyl group.'}5. The composition according to claim 2 ,{'sup': 11', '11, 'wherein a group represented by -M-Qis an alkyl group, an alkyl group substituted with a cycloalkyl group, a cycloalkyl group, an aralkyl group, or an aryloxyalkyl group.'}6. The composition according to claim 1 ,{'sup': 11', '11', '101', '102, 'wherein the group represented by -M-Qis represented by —(CHRR), and'}{'sup': 101', '102', '101', '102, 'wherein each of Rand Rindependently represents an alkyl group, a cycloalkyl group, or an aryl group and Rand Rmay form a ring by binding to each other.'}7. The composition according to claim 2 ,{'sup': 11', '11', '101', '102, 'wherein the group represented by -M-Qis represented by —(CHRR), and'}{'sup': 101', '102', '101', '102, 'wherein each of Rand Rindependently represents an alkyl group, a cycloalkyl group, or an aryl group and Rand Rmay form a ring by binding to each other.'}11. The composition according to claim 1 , which is exposed with an electron beam claim 1 , X-rays claim 1 , or EUV light.12. An actinic ray-sensitive or radiation-sensitive film formed using the composition according to .13. A pattern forming method comprising:{'claim-ref': {'@idref': 'CLM-00012', 'claim 12'}, 'irradiating the film ...

PROCESSING METHOD OF BASE MATERIAL SHEET, MANUFACTURING METHOD OF MODIFIED BASE MATERIAL SHEET, BASE MATERIAL WITH GRAFTED POLYMER CHAIN, AND ION EXCHANGE MEMBRANE

A processing method of a base material sheet includes winding out the base material sheet wound up by a first core and a first porous sheet wound up by a second core, winding up by a third core the base material sheet and the first porous sheet to be overlapped with each other, and processing the base material sheet by a first processing liquid held in the first porous sheet; and winding out the base material sheet and the first porous sheet overlappingly wound up by the third core, winding up the first porous sheet by the second core, and winding up the base material sheet by the first core. 117-. (canceled)18. A base material with grafted polymer chain ,wherein a width is 0.8 m or more, a length is 1 m or more, and a thickness falls within a range from 30 μm to 200 μm,wherein a maximum value of a graft polymerization rate is 115% of an average value of the graft polymerization rate or less, andwherein a minimum value of the graft polymerization rate is 85% of the average value of the graft polymerization rate or more, {'br': None, 'i': W', 'W', 'W, 'Graft polymerization rate (%)=(2−1)/1×100'}, 'wherein the graft polymerization rate is calculated by the following formulawhere W1 is a weight of the base material sheet before the graft polymerization within a square area having a size of 100 mm (vertical)×100 mm (horizontal), viewed in a direction orthogonal to a main surface of the base material sheet, and W2 is a weight of the base material sheet after the graft polymerization within the square area having the size of 100 mm (vertical)×100 mm (horizontal), viewed in a direction orthogonal to the main surface of the base material sheet, the graft polymerization rate is measured at five points that are arranged at an equal interval in a width direction of the base material sheet;', 'one point of the five points is arranged at a position separated from one end in the width direction of the base material sheet by 0.05 m, and the other point is arranged at a position ...

CONDUCTIVE RESIN COMPOSITION FOR ELECTRODES, ELECTRODE COMPOSITION, ELECTRODE USING SAME AND LITHIUM ION BATTERY

[Problem] 1. A conductive resin composition for electrodes , comprising a dispersant , a conductive agent , and a binding material , wherein:the dispersant comprises a graft copolymer in which a monomer containing acrylonitrile as a main component is grafted onto polyvinyl alcohol;the average degree of polymerization of the polyvinyl alcohol is 300 to 3,000, and the degree of saponification of the same is 90 mol % to 100 mol %; andthe polyvinyl alcohol content and the polyacrylonitrile content in the graft copolymer are, respectively, 10 mass % to 40 mass % and 90 mass % to 60 mass %.2. The conductive resin composition for electrodes according to claim 1 , wherein the mass ratio of the dispersant to the conductive agent (mass of the dispersant/mass of the conductive agent) is 0.01 to 1.3. The conductive resin composition for electrodes according to claim 1 , wherein the binding material comprises polyvinylidene fluoride.4. The conductive resin composition for electrodes according to claim 1 , wherein the conductive agent comprises at least one selected from the group consisting of (i) a fibrous carbon claim 1 , (ii) a spherical carbon claim 1 , and (iii) a carbon composite in which a fibrous carbon and a spherical carbon are interconnected.5. An electrode composition comprising the conductive resin composition for electrodes according to and an active material.6. The electrode composition according to claim 5 , wherein the active material is at least one selected from LiCoO claim 5 , LiMnO claim 5 , LiNiO claim 5 , LiMPO claim 5 , LiMSiO claim 5 , LiNiMO claim 5 , Li(MnNiCo)O claim 5 , Li(AlNiCo)O claim 5 , and xLiMnO-(1−x)LiMO claim 5 , wherein{'sub': X', '(2−X)', '4, 'X in LiNiMnOsatisfies the relation 0 Подробнее

POLY(VINYL ACETAL) RESIN COMPOSITION, ADHESIVE SHEET, INTERLAMINAR FILLING MATERIAL FOR TOUCH PANEL, AND LAMINATE

The present invention aims to provide a polyvinyl acetal resin composition that is excellent in thermal stability and moldable by an extrusion method and can exhibit a high storage modulus even under high temperature, an adhesive sheet prepared from the polyvinyl acetal resin composition, an interlayer filling material for a touch panel prepared from the polyvinyl acetal resin composition, and a laminate produced using the interlayer filling material for a touch panel. The present invention relates to a polyvinyl acetal resin composition containing: a polyvinyl acetal; a photoradical polymerization initiator; and a monomer or oligomer having a radical polymerizable double bond. 1. A polyvinyl acetal resin composition comprising:a polyvinyl acetal;a photoradical polymerization initiator; anda monomer or oligomer having a radical polymerizable double bond.2. The polyvinyl acetal resin composition according to claim 1 ,wherein the polyvinyl acetal is polyvinyl butyral.3. The polyvinyl acetal resin composition according to claim 1 ,wherein the photoradical polymerization initiator is benzophenone.4. The polyvinyl acetal resin composition according to claim 1 ,wherein the amount of the photoradical polymerization initiator relative to 100 parts by weight of the polyvinyl acetal is 0.1 to 5 parts by weight.5. The polyvinyl acetal resin composition according to claim 1 ,wherein the monomer or oligomer having a radical polymerizable double bond is a polyfunctional monomer or oligomer having two or more radical polymerizable double bonds in a molecule.6. The polyvinyl acetal resin composition according to claim 1 ,wherein the amount of the monomer or oligomer having a radical polymerizable double bond relative to 100 parts by weight of the polyvinyl acetal is 0.1 to 40 parts by weight.7. The polyvinyl acetal resin composition according to claim 1 , further comprising a plasticizer.8. An adhesive sheet comprising the polyvinyl acetal resin composition according to .9. An ...

METHOD OF PREPARING CARBOXYLIC ACID FUNCTIONALIZED POLYMERS

Methods for preparing water soluble, non-peptidic polymers carrying carboxyl functional groups, particularly carboxylic acid functionalized poly(ethylene glycol) (PEG) polymers are disclosed, as are the products of these methods. In general, an ester reagent R(C═O)OR′, wherein R′ is a tertiary group and R comprises a functional group X, is reacted with a water soluble, non-peptidic polymer POLY-Y, where Y is a functional group which reacts with X to form a covalent bond, to form a tertiary ester of the polymer, which is then treated with a strong base in aqueous solution, to form a carboxylate salt of the polymer. Typically, this carboxylate salt is then treated with an inorganic acid in aqueous solution, to convert the carboxylate salt to a carboxylic acid, thereby forming a carboxylic acid functionalized polymer. 2. The method of claim 1 , wherein X is selected from bromo claim 1 , chloro and iodo.3. The method of claim 1 , wherein the organic solvent is selected from t-butanol claim 1 , benzene claim 1 , toluene claim 1 , xylenes claim 1 , tetrahydrofuran (THF) claim 1 , dimethylformamide (DMF) claim 1 , and dimethylsulfoxide (DMSO).4. The method of claim 1 , wherein the base in step (i) is selected from the group consisting of potassium t-butoxide claim 1 , butyl lithium claim 1 , sodium amide claim 1 , and sodium hydride.5. The method of claim 1 , wherein the reacting step is carried out at a temperature of about 20-80° C.6. The method of claim 5 , wherein the reacting step is carried out at a temperature of about 25-50° C.7. The method of claim 1 , wherein the reacting step is carried out for from about 0.5 hours to about 24 hours.8. The method of claim 1 , wherein the treating step is carried out at a pH of about 9 or above.9. The method of claim 8 , wherein the treating step is carried out at a pH of about 11 to about 13.10. The method of claim 8 , wherein the strong base in the treating step is an alkali metal hydroxide.11. The method of claim 10 , wherein ...

PVA HYDROGELS HAVING IMPROVED CREEP RESISTANCE, LUBRICITY, AND TOUGHNESS

The invention provides creep resistant, lubricious and tough PVA-PAAm-hydrogels, creep resistant, lubricious, tough PVA-PAAm-hydrogel-containing compositions, and methods of making the same. The invention also provides methods of implanting or administering the creep resistant, lubricious and tough PVA-PAAm-hydrogels, or the PVA-PAAm-hydrogel-containing compositions to treat a subject in need. Methods of cross-linking pre-solidified or pre-gelled hydrogel particles and making cross-linked PVA-PAAm-hydrogels, and cross-linked PVA-PAAm-hydrogel-containing compositions also are disclosed herein. 1. A method of making a creep resistant , lubricious and tough PVA-PAAm-hydrogel comprising:(a) contacting an aqueous solution of poly(vinyl alcohol) (PVA) with an aqueous solution of acrylamide monomer (AAm) in presence of an initiator, thereby forming a PVA-AAm solution;(b) heating or irradiating the PVA-AAm solution, thereby forming an interpenetrating network (IPN) structure of polymerized PAAm in the PVA solution; and(c) subjecting the PVA-PAAm IPN to one or more freeze-thaw cycles, thereby forming a tough PVA-PAAm hydrogel.2. The method of further comprising:(d) dehydrating the tough PVA-PAAm hydrogel in a vacuum, thereby increasing the melting point of the PVA-PAAm hydrogel;(e) annealing the dehydrated PVA-PAAm hydrogel at a temperature below the melting point of the dehydrated PVA-PAAm hydrogel; and(f) re-hydrating the PVA-PAAm hydrogel, thereby forming a creep resistant, lubricious and tough PVA-PAAm-hydrogel.3. The method of claim 1 , wherein the PVA-AAm solution is heated at a temperature below the boiling point of the PVA-AAm solution claim 1 , thereby forming an inter-penetrating network (IPN) structure of polymerized PAAm in the PVA solution.4. The method of claim 1 , wherein the PVA-AAm solution is heated at a temperature between about 40° C. and 45° C. claim 1 , thereby forming an interpenetrating network (IPN) structure of polymerized PAAm in the PVA solution.5 ...

PLASMA ASSISTED HYDROPHILICITY ENHANCEMENT OF POLYMER MATERIALS

A method of enhancing hydrophilicity of a hydrophobic polymer material includes pre-treating the hydrophobic polymer material. The pre-treating includes treating the hydrophobic polymer material with a first atmospheric pressure plasma discharge in a first atmosphere including carbon dioxide to obtain a pre-treated polymer material. The method includes treating the pre-treated polymer material with a second atmospheric pressure plasma discharge in a second atmosphere in which an aerosol of an amine is introduced; the amine includes at least one hydrocarbon substituent. A substrate is provided that includes a hydrophobic polymer material having a modified interface. The modified interface includes amine functional groups grafted on the hydrophobic polymer material, the modified interface having a surface energy, which, measured after immersion in water at 20° C. for 3 days, differs from a surface energy of the hydrophobic polymer material by 20 mN/m or less. 1. Method of enhancing hydrophilicity of a hydrophobic polymer material , comprising:pre-treating the hydrophobic polymer material, comprising treating the hydrophobic polymer material with a first atmospheric pressure plasma discharge in a first atmosphere comprising carbon dioxide to obtain a pre-treated polymer material; andtreating the pre-treated polymer material with a second atmospheric pressure plasma discharge in a second atmosphere in which an aerosol of an amine is introduced, said amine comprising at least one hydrocarbon substituent.2. Method of claim 1 , wherein the at least one hydrocarbon substituent of the amine is unsaturated.3. Method of claim 1 , wherein the first and/or second atmosphere comprises nitrogen.4. Method of claim 3 , wherein the first atmosphere essentially consists of carbon dioxide and nitrogen.5. Method of claim 1 , wherein the hydrophobic polymer material is a material having a contact angle with water of at least 65°.6. Method of claim 1 , wherein the hydrophobic polymer ...

AMPHIPHILIC POLYMERS ENCAPSULATING THERAPEUTICALLY ACTIVE AGENTS

A composition comprising an amphiphilic block polymer, configured to form a structure having a hydrophobic core and a hydrophilic corona, and uses same for encapsulating therein active agents such as hydrophobic therapeutic agents, are disclosed. The disclosed compositions are useful e.g., for orally delivering the active agent encapsulated therein and may further be used for controllably releasing the agents in the physiological environment. 1. A composition-of-matter comprising one or more amphiphilic block polymers , said amphiphilic block polymers comprising a hydrophobic domain and a hydrophilic domain , wherein:(a) each of said hydrophobic domain and hydrophilic domain comprises a polymeric backbone having at least two monomeric units;(b) said polymeric backbone of said hydrophobic domain is attached to a side-chain group of said polymeric backbone of said hydrophilic domain; and(c) said one or more amphiphilic block polymers are configured to form a structure having a hydrophobic core and a hydrophilic corona, wherein at least portion of said hydrophilic corona is non-covalently layered.2. The composition-of-matter of claim 1 , wherein said core is characterized by a structure having a cavity that ranges from 1 nm to 10 μm in diameter claim 1 , optionally said core being characterized by a structure having a cavity that ranges from 50 nm to 300 nm in diameter.3. (canceled)4. The composition-of-matter of claim 1 , wherein said hydrophobic domain comprises one or more monomeric units derived from a polymer selected from the group consisting of: polyester claim 1 , polyether claim 1 , polycarbonate claim 1 , polyanhydride claim 1 , polyamide claim 1 , polyacrylate claim 1 , polymethacrylate claim 1 , polyacrylamide claim 1 , polysulfone claim 1 , polyalkane claim 1 , polyalkene claim 1 , polyalkyne claim 1 , polyanhydride claim 1 , polyorthoester claim 1 , optionally wherein said hydrophobic domain comprises one or more monomeric units derived from a lipid or a ...

METHODS FOR MAKING WATER BASED CATIONIC POLYMERS FOR INK, COATING, AND FILM APPLICATIONS

The present invention provides a process for producing a durable, external surfactant free, cationic, water based jet ink polymer which when formulated into an ink, coating or film that results in a excellent adhesion to metal or plastic substrates. The hybridized copolymer comprises a hydrophobic functional polymeric backbone comprising a functional vinylchloride-containing polymer portion having an average molecular weight of from 15,000 to 200,000 g/mole and at least one polymer portion selected from the group consisting of a functional polyolefin and a functional polysiloxane. The hybridized copolymer also comprises a plurality of copolymeric side chains attached to the backbone, comprising a polymerizable amine-containing unsaturated monomer, and a polymerizable unsaturated monomer. 1. A process for preparing a hybridized copolymer comprising the steps of(a) reacting a functionalized hydrophobic polymer of an average molecular weight from about 15,000 to about 200,000 g/mole, with a hybridizing compound to create a reaction mixture;(b) adding a first monomer component to the reaction mixture;(c) adding a second monomer component to the reaction mixture; and(d) neutralizing the reaction mixture with an acid,wherein the hydrophobic polymer is selected from the group consisting of a polysiloxane polymer, a polyolefin polymer, a polyvinyl polymer, and a combination thereof,wherein the first monomer component, or the second monomer component, or both monomer components comprise a polymerizable unsaturated monomer, andwherein the first monomer component, or the second monomer component, or both monomer components comprise a polymerizable amine-containing unsaturated monomer.2. The process of claim 1 , wherein the hydrophobic polymer comprises a polyvinyl copolymer.3. The process of claim 2 , wherein the polyvinyl copolymer is a reaction product of vinyl chloride claim 2 , vinyl acetate claim 2 , and a functionalized vinyl monomer.4. The process of claim 2 , wherein ...

SIDE-CHAIN-OLEFIN-CONTAINING VINYL ALCOHOL POLYMER AND METHOD OF PRODUCING SAME

The present invention relates to a vinyl alcohol-based polymer having an olefin in side chain, comprising a vinyl alcohol unit and a structural unit represented by Formula (I), wherein X represents a divalent saturated hydrocarbon group with 1 to 6 carbon atoms, optionally having a branched structure; Y represents a hydrogen atom or a saturated hydrocarbon group with 1 to 6 carbon atoms, optionally having a branched structure; and Z represents a hydrogen atom or a methyl group. Thus, there is provided a vinyl alcohol-based polymer having an olefin in side chain exhibiting higher water solubility even after thermal treatment, higher storage stability, and higher reactivity to high energy beam, and a method for producing it. 2. The vinyl alcohol-based polymer having an olefin in side chain according to claim 1 , wherein X is a divalent saturated hydrocarbon group with 1 to 5 carbon atoms claim 1 , optionally having a branched structure; Y is a hydrogen atom or a saturated hydrocarbon group with 1 to 5 carbon atoms claim 1 , optionally having a branched structure; and the total carbon number of X and Y is 9 or less.3. The vinyl alcohol-based polymer having an olefin in said chain according to claim 1 , wherein Y is a hydrogen atom.4. The vinyl alcohol-based polymer having an olefin in said chain according to claim 1 , wherein a content of the structural unit represented by Formula (I) based on the total monomer units in the vinyl alcohol-based polymer having an olefin in side chain is 0.05 to 10 mol %.5. Powder or pellets made of the vinyl alcohol-based polymer having an olefin in side chain according to claim 1 , wherein the polymer has an average particle size of 20 to 1000 μm and 2 g or more of the polymer can be completely dissolved in 100 g of water at 25° C. The present invention relates to a vinyl alcohol-based polymer having an olefin in side chain and a production method thereof.Since vinyl alcohol-based polymers are rare crystalline water-soluble polymers ...

Binder composition for positive electrodes, slurry for positive electrodes, positive electrode and lithium ion secondary battery

A binder composition for positive electrode with superior oxidation resistance is provided. A slurry for positive electrode, a positive electrode, and a lithium ion secondary battery manufactured by using the binder composition is provided. A binder composition for positive electrode including a graft copolymer in which a monomer containing acrylonitrile as a main component is graft copolymerized with polyvinyl alcohol having an average degree of polymerization of 300 to 3000 and a saponification degree of 70 to 100 mol %, is provided. Further, a slurry for positive electrode includes the binder composition for positive electrode, a positive electrode active material, and a conductive assistant. In addition, a lithium ion secondary battery is manufactured using a positive electrode made with the slurry for positive electrode and a positive electrode.

Water-absorbing polymers with improved properties, process for their preparation and their use

The invention relates to powdery absorption agents for water and aqueous liquids based on water-swellable but not water soluble polymerisates which are cross-linked and comprise monomers carrying partially neutralised, monoethylenically unsaturated acid groups, optionally other monomers copolymerisable therewith and optionally polymers suitable as a graft base. Said polymerisates are prepared using a cross-linker combination from I. 40-90 % by moles of CH2=CHR<5>-CO-(OCHR<3>-CHR<3>)zO-CH2-CHR<5>=CH2 and II. 10-60 % by moles of R<1>-[O(CHR<3>-CHR<3>O)u-CO-R<2>]x, where R<1> is a polyvalent C2-10-alkyl, R<2> is a linear or branched C2-10 alkenyl, R<3> is H, CH3, C2H5, R<5> is H, CH3, x is 2-6, u is 0-15, z is 3-20. Subsequent surface cross-linkage results in a property combination of a high level of retention, a high level of absorption under pressure, a low number of soluble components and rapid fluid absorption. The polymerisates are used in structures such as nappies for absorbing body fluids, in cables conducting current or light, or for growing plants.

Liquid-absorbing polymers, process for their preparation and their use

The invention relates to super-absorbent, cross-linked polymerisates for aqueous liquids which comprise monomers carrying partially neutralised, monoethylenically unsaturated acid groups, optionally other monomers copolymerisable therewith and optionally polymers suitable as a graft base. Said polymerisates can be obtained using a cross-linkage/ monomer combination from I. CH2=CHR<6>-CO-(OCHR<3>-CHR<3>)zO-CH2-CHR<6>=CH2, II. CH2=CHR<6>-R<5>-(OCHR<3>-CHR<3>)vOR<4>, III. R<1>-[O(CHR<3>-CHR<3>O)u-CO-R<2>]x, and/or diallyl amine or triallyl amine and /or bisacrylamides, where R<1> is a polyvalent C2-10-alkyl, R<2> is a linear or branched C2-10 alkenyl, R<3> is H, CH3, C2H5, R<4> is H, linear or branched C1-10 alkyl, R<5> is CO, CH2, R<6> is H, CH3, x is 2-6, u is 0-15, v is 1-45.

Dispersion stabilizer for the suspension polymerization of vinyl compounds

(meth)acrylic resin emulsion and process for producing the same

A (meth)acrylic resin emulsion which contains a vinyl alcohol polymer having a degree of saponification of 80 to 95 mol% and a degree of polymerization of 400 to 2,000 as a dispersant and a polymer comprising at least one kind of units selected among acrylic ester monomer units and methacrylic ester monomer units as a dispersoid, wherein the value of [measure a], which indicates the width of emulsion-particle diameter distribution, is 0.3 or larger and a 500 µm-thick film formed from the emulsion at 20°C has a tensile strength of 100 kg/cm2 or higher. The (meth)acrylic resin emulsion is excellent in all of film strength, film transparency, and mechanical stability and further has excellent alkali resistance.

Method for producing a (meth)acrylic resin emulsion

Provided is a (meth)acrylic resin emulsion comprising, as a dispersant, a vinyl alcohol polymer having a degree of saponification of from 80 to 95 mol % and a degree of polymerization of from 400 to 2000 and, as a dispersoid, a polymer comprising at least one type of monomer units selected from acrylate monomer units and methacrylate monomer units, which has a “factor a” of at least 0.3 that indicates the particle size distribution width of the emulsion and of which the film formed at 20° C. to have a thickness of 500 μm has a tensile strength of at least 100 kg/cm 2 . The emulsion is excellent in all its film strength, film transparency and mechanical stability and further in its alkali resistance.

Composition

Alkaline soluble resin, process for preparing same, and photoresist composition containing same

An alkaline soluble resin, a process for preparing the same, and a photoresist composition containing the same. The alkaline soluble resin is a polyether chain-containing acrylate alkaline soluble resin. A photoresist composition comprising said alkaline soluble resin can reduce the slope angle of the film layer and prevent gaps which cause light leakage from forming in the junction between the colored film layer and the black matrix. Moreover, the coating and the rubbing effect of the orientation layer can be improved.

Gels having thermotropic properties

Gels for thermotropic sheets are claimed which are obtd. by light-radiation of a mixt. comprising (A) a non-crosslinked polymer (pref. 5-40 wt.%); (B) a radically-polymerisable monomer (pref. 1-30 wt.%); and (C) water and/or an org. solvent (pref. 30-94 wt.%). Pref. a photoinitiator is opt. also present. Polymer (A) has transparency changes in a 10 wt.% aq. and/or org. solvent soln. and is poly-N-vinylcaprolactam, a copolymer contg. at least 20 wt.% N-vinylcaprolactam, or a polyvinylether. Monomer (B) forms a 3-D network on light-irradiation and ether does not have thermotropic properties of the type specified above or has such properties at at least 20 degrees C above the switching region for polymer (A). (C) is water.

Gel for thermotropic layers e.g. for energy-saving glazing

A gel for thermotropic layers is obtained by energy-rich light irradiation of a mixture containing (A) a non-crosslinked polymer; (B) radically polymerisable monomers; (C) water and/or organic solvent; and (D) a photo-initiator of formula (I), where R<1>, R<2> = 1-10C alkyl; and R<3>-R<7> = H, 1-10C alkyl or 5-10C aryl, with the proviso that at least one of R<3>- R<7> is a hydrophilic group which is a carboxylic acid, carboxylate, sulphonic acid, sulphonate, OH or polyalkylene oxide group or an up to 30C organic group containing such a hydrophilic group. Preferably the composition comprises 0.1-40 wt.% (A), 1-30 wt.% (B) and 30-98.9 wt.% (C) (especially water). The photo-initiator is "Darocure" 2959 (RTM).

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

Die Erfindung betrifft eine kationisch härtbare Masse mit mindestens einer kationisch polymerisierbaren Komponente; einem ersten Photoinitiator, der bei Bestrahlung mit aktinischer Strahlung einer ersten Wellenlänge λeine Säure freisetzt; und einem zweiten Photoinitiator, der bei Bestrahlung mit aktinischer Strahlung einer zweiten Wellenlänge λeine Säure freisetzt, wobei die zweite Wellenlänge λkürzer als die erste Wellenlänge λist, und wobei der zweite Photoinitiator nach Bestrahlen der Masse mit aktinischer Strahlung der ersten Wellenlange λin der Masse eine Absorption von aktinischer Strahlung der zweiten Wellenlänge λaufweist, die ausreichend ist, um den zweiten Photoinitiator zu aktivieren und die Masse zu fixieren. Des Weiteren wird ein Verfahren zum Fügen, Vergießen, Abformen, Abdichten und/oder Beschichten von Substraten unter Verwendung der kationisch härtbaren Masse beschrieben. The invention relates to a cationically curable composition with at least one cationically polymerizable component; a first photoinitiator which releases an acid when irradiated with actinic radiation of a first wavelength λ; and a second photoinitiator which, when irradiated with actinic radiation of a second wavelength λ, releases an acid, the second wavelength λ being shorter than the first wavelength λ, and wherein the second photoinitiator, after irradiation of the mass with actinic radiation of the first wavelength λ, has an absorption in the mass Actinic radiation of the second wavelength λ, which is sufficient to activate the second photoinitiator and fix the mass. Furthermore, a method for joining, casting, molding, sealing and / or coating substrates using the cationically curable composition is described.

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

The invention relates to a cationically curable mass having at least one cationically polymerizable component; a first photoinitiator, which releases an acid upon being irradiated by actinic radiation of a first wavelength λ1; and a second photoinitiator, which releases an acid upon being irradiated by aktinic radiation of a second wavelength λ2, wherein the second wavelength λ2 is shorter than the first wavelength λ1, and wherein the second photoinitiator, after irradiating the mass with aktinic radiation of the first wavelength λ1, has an absorption of aktinic radiation of the second wavelength λ2 in the mass which is sufficient in order to activate the second photoinitiator and to fix the mass. The invention furthermore relates to a method for joining, casting, molding, sealing and/or coating substrates using the cationically curable mass.

Wäßrige Primärdispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung

Wäßrige Primärdispersionen, enthaltend dispergierte und/oder emulgierte, feste und/oder flüssige Polymerpartikel und/oder dispergierte feste Kern-Schale-Partikel eines Teilchendurchmessers 500 nm, herstellbar durch radikalische Mikro- oder Miniemulsionspolymerisation mindestens eines olefinisch ungesättigten Monomers (A) in der Gegenwart mindestens eines polyhydroxyfunktionalisierten cyclischen und/oder acyclischen Alkans mit 9 bis 16 Kohlenstoffatomen im Molekül, und ihre Verwendung in der Automobilerst- und reparaturlackierung, der Möbellackierung und der industriellen Lackierung, inklusive Coil Coating, Container und Beschichtung elektrotechnischer Bauteile.

Extrudable barrier polymer compositions, process for preparing the compositions and monolayer or multilayer structures comprising the compositions

A process for preparing barrier polymer compositions comprises adding an additive, in the form of a latex, to an aqueous dispersion of barrier polymer particles, coagulating the latex additive on the surface of the polymer particles to coat the polymer particles and then drying the latex-coated polymer particles.

Composições poliméricas de barreira extrudáveis, processo para preparar as composições e estruturas em monocamada ou multicamadas compreendendo as composições

"COMPOSIçõES POLIMéRICAS DE BARREIRA EXTRUDáVEIS, PROCESSO PARA PREPARAR AS COMPOSIçõES E ESTRUTURAS EM MONOCAMADA OU MULTICAMADAS COMPREENDENDO AS COMPOSIçõES". A presente invenção compreende um processo para preparar composições poliméricas de barreira compreendendo adicionar um aditivo, na forma de um látex, a uma dispersão aquosa de partículas poliméricas de barreira, coagular o aditivo de látex sobre a superfície das partículas poliméricas para revestir as partículas poliméricas e então secar as partículas poliméricas revestidas com látex. s

Verfahren zur Herstellung von feinteiligen Maleinsaeureanhydridmischpolymerisaten

Process for preparing alcoholic polyamide interpolymers in the form of biocompatible hydrogels

The present invention relates to an innovative method for preparing and producing a hydrogel having properties making it suitable for use as a filler or substitute for human and animal tissue. More specifically, the invention relates to a composite material comprising a gelled interpolymer consisting of a copolymer such as a polyacrylamide-imide and a polyvinyl alcohol polymer.

Fluid-absorbing polymers, process for the preparation and use thereof

Graft copolymer and repellent composition

Cyclodextrin/poly(vinyl alcohol) hydrogels including acidic hydrophobic compound and basic hydrophobic compound as guest molecules, and the producing method thereof

PURPOSE: A cyclodextrin/poly(vinyl alcohol) hydrogel is provided to emit relatively many target materials through the ionization of basic(acidic) hydrophobic compounds in an acidic(basic) aqueous solution and to relatively emit relatively a few target materials through the formation of a salt bridge of the acidic hydrophobic compound and the basic hydrophobic compound in a neutral aqueous solution. CONSTITUTION: A method for preparing a cyclodextrin/poly(vinyl alcohol) hydrogel comprises the steps of: (i) adding a crosslinking agent to the mixed liquid of cyclodextrin and poly(vinyl alcohol); (ii) dipping a mixed suspension consisting of a hydrophobic compound having acidic groups and a hydrophobic compound having basic groups to allow the hydrophobic compounds having acidic groups and basic groups to form an inclusion complex in the hydrophobic cavity of the hydrogel; and (iii) mixing the hydrogel with a hydrophilic target material aqueous solution to load the hydrophilic target material on the hydrogel.

Peg-polyacetal and peg-polyacetal-poe graft copolymers and pharmaceutical compositions

The present invention provides graft copolymer delivery vehicle which comprises a polyethyleneglycol (PEG)-polyacetal (PA) copolymer or a polyethyleneglycol (PEG)-polyacetal (PA)-polyorthoester (POE) copolymer. The polyethyleneglycol-polyacetal graft copolymers or the polyethyleneglycol-polyacetal-polyorthoester graft copolymers, in particular, the PA-g-PEG or the PA-POE-g-PEG suitable for the invention are represented by Formulae (I) and (V).

개선된 성질을 가진 흡수성 중합체, 그 제조방법 및 용도

본 발명은 부분적으로 중화된 모노에틸렌계 불포화 산기를 가진 단량체와, 선택적으로 이 단량체와 공중합할 수 있는 다른 단량체 및 선택적으로 그래프트 기제로서 적합한 중합체를 함유하고, 수(水) 팽창성이지만 비수용성인 가교 중합체를 주성분으로 하는 수성 액체 및 물에 대한 분말상 흡수제에 관한 것이다. 이 중합체는 40 내지 90 몰%의 CH 2 =CHR 5 -CO-(OCHR 3 -CHR 3 ) z O-CH 2 -CHR 5 =CH 2 와 10 내지 60 몰%의 R 1 -[O(CHR 3 -CHR 3 O) u -CO-R 2 ] x 를 포함하는 가교제 혼합물을 사용하여 제조하며, 전술한 식중에서, R 1 은 다가 C2-10 알킬, R 2 는 선형 또는 분지형의 C2-10 알케닐, R 3 은 H, CH 3 , C 2 H 5 이고, R 5 는 H, CH 3 , x는 2 내지 6이며, u는 0 내지 15이고, z는 3 내지 20이다. 그 다음 표면 가교에 의하여 높은 보유율과 가압하에서의 높은 흡수율, 낮은 가용성 성분 및 신속한 유체 흡수성의 복합 성질을 얻을 수 있다. 이러한 중합체는 체액 흡수용 기저귀와 같은 구조물이나, 전류 또는 광 전도성 케이블이나, 또는 식물 성장용 등에 사용된다.

Dispersion stabilizer for suspension polymerization of vinyl compound

본 발명에서는, 에틸렌 단위의 함유량이 O.5 내지 10mol%, 검화도가 60mol% 이상, 중합도가 600 이상인 비닐 알콜계 중합체(A)와, 에틸렌 단위의 함유량이 0.5 내지 10mol%, 검화도가 20 내지 80mol%, 중합도가 100 내지 600인 비닐 알콜계 중합체(B1), 검화도가 20 내지 60mol%, 중합도가 100 내지 600인 비닐 알콜계 중합체(B2) 및 에틸렌 단위의 함유량이 0.5 내지 10mol%, 검화도가 90mol% 이상, 중합도가 1000 이상인 비닐 알콜계 중합체(B3)로부터 선택된 비닐 알콜계 중합체(B)로 이루어진 비닐계 화합물의 현탁 중합용 분산 안정제가 개시되어 있다. 또한, 본 발명에서는 상기한 현탁 중합용 분산 안정제를 사용하는 비닐계 화합물의 현탁 중합 방법이 개시되어 있다. In this invention, the vinyl alcohol polymer (A) whose content of an ethylene unit is 0.5-10 mol%, the saponification degree is 60 mol% or more, and the polymerization degree is 600 or more, and the content of an ethylene unit is 0.5-10 mol%, and saponification degree is 20 To 80 mol%, a vinyl alcohol polymer (B1) having a polymerization degree of 100 to 600, a content of a vinyl alcohol polymer (B2) having a saponification degree of 20 to 60 mol%, a polymerization degree of 100 to 600 and a ethylene unit of 0.5 to 10 mol%, A dispersion stabilizer for suspension polymerization of a vinyl compound composed of a vinyl alcohol polymer (B) selected from vinyl alcohol polymer (B3) having a degree of saponification of 90 mol% or more and a degree of polymerization of 1000 or more is disclosed. Moreover, in this invention, the suspension polymerization method of the vinyl compound using the above-mentioned dispersion stabilizer for suspension polymerization is disclosed. 본 발명의 비닐계 화합물의 현탁 중합용 분산 안정제는, 소량의 사용으로 현탁 중합 안정성이 현저하게 우수하며, 또한 이를 사용하여 비닐계 화합물을 현탁 중합시킴으로써, 입자 직경 분포가 가파르고, 다공성이며, 벌크 비중이 큰 비닐계 중합체 입자를 제조할 수 있다. 당해 중합체 입자는 가소제의 흡수 속도가 크고 가공성이 우수하며, 중합체 입자 중에 잔존하는 단량체의 제거가 용이하며, 성형시에 성형품 중의 피쉬 아이(fish eye)가 적다는 등의 특성을 구비하고 있다. The dispersion stabilizer for suspension polymerization of the vinyl compound of the present invention is remarkably excellent in suspension polymerization stability with a small amount of use, and also by suspension polymerization of the vinyl compound using the same, the particle diameter distribution is steep, porous, and bulk specific ...

一种改性阻垢缓蚀材料生产方法及设备

本发明公开了一种改性阻垢缓蚀材料生产方法及设备，包括改性阻垢缓蚀材料生产方法步骤如下步骤1‑11。本发明的有益效果是，该固体阻垢缓蚀剂在热水系统中除具有防止水垢生成、有效缓解金属管壁腐蚀的效果外，更具备微量溶解、缓慢释放、低溶限、PH中性、绿色环保的特征。

Пористые частицы привитого сополимера, способ их получения и адсорбирующий материал, в котором они применяются

Изобретение относится к пористым частицам привитого сополимера, предназначенным для получения адсорбирующего материала, которые адсорбируют металлы и другие вещества, способу их производства и адсорбенту, в котором они применяются. Пористые частицы привитого сополимера содержат по меньшей мере одну смолу, выбранную из олефиновых смол, водонерастворимых модифицированных смол на основе поливинилового спирта, амидных смол, целлюлозных смол, хитозановых смол и (мет)акрилатных смол. Причем смола содержит введенную в нее прививочную цепь, включающую структурное звено, в состав которого входит функциональная группа. Размер частицы находится в диапазоне от 10 мкм до 2000 мкм, средний диаметр пор на поверхности частицы находится в диапазоне от 0,01 мкм до 50 мкм, и степень прививки находится в диапазоне от 30 до 900 частей по массе на 100 частей по массе смолы. 3 н. и 17 з.п. ф-лы, 11 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 647 599 C2 (51) МПК C08J 9/36 (2006.01) B01D 15/00 (2006.01) B01J 20/26 (2006.01) B01J 20/30 (2006.01) C08F 255/02 (2006.01) C08J 9/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C22B 3/24 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C22B 7/00 (2006.01) (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 15/00 (2017.08); B01J 20/264 (2017.08); B01J 20/28004 (2017.08); B01J 20/30 (2017.08); B01J 20/3014 (2017.08); B01J 20/3028 (2017.08); C08F 255/02 (2017.08); C08J 3/12 (2017.08); C08J 9/26 (2017.08) (21)(22) Заявка: 2015120060, 29.10.2013 29.10.2013 Дата регистрации: 16.03.2018 30.10.2012 JP 2012-238998; 15.11.2012 JP 2012-250757; 15.11.2012 JP 2012-250758; 23.01.2013 JP 2013-010411; 14.03.2013 JP 2013-051931; 31.07.2013 JP 2013-158515 (56) Список документов, цитированных в отчете о поиске: US 2005065282 A1, 24.03.2005. US C 2 C 2 (43) Дата публикации заявки: 20.12.2016 Бюл. № 35 2004/023029 A1, 05.02.2004. EP1437376 A1, 14.07.2004. WO 2012/43347 Al, 05.04.2012. EA 17034 B1, 28.09.2012. EP 1512725 A1, 09.03.2005. EP 2010-233825 A, 21.10.2010. JP 2004-83561, 18.03. ...

Repellent composition containing graft copolymer, graft copolymer and method of preparing graft copolymer

A repellent agent composition including an aqueous continuous phase and a graft copolymer dispersed in the aqueous continuous phase. The graft copolymer has a water soluble polymer trunk having hydroxyl groups and branches having fluorinated groups bonded to the polymer trunk at a carbon atom substituted with a hydroxyl group. Also disclosed is a method of making the graft copolymer and a substrate treated with the repellent composition.

Graft copolymer and repellent composition

A repellent composition including an aqueous continuous phase and a graft copolymer dispersed in the aqueous continuous phase. The graft copolymer has a water soluble polymer trunk having hydroxyl groups and a branch having a C6-perfluoroalkyl group bonded to the polymer trunk at a carbon atom substituted with the hydroxyl group. Also disclosed is a method of making the graft copolymer and a substrate treated with the repellent composition.

Repellent composition containing graft copolymer, graft copolymer and method of preparing graft copolymer

A repellent agent composition including an aqueous continuous phase and a graft copolymer dispersed in the aqueous continuous phase. The graft copolymer has a water soluble polymer trunk having hydroxyl groups and branches having fluorinated groups bonded to the polymer trunk at a carbon atom substituted with a hydroxyl group. Also disclosed is a method of making the graft copolymer and a substrate treated with the repellent composition.

Repellent composition containing graft copolymer, graft copolymer and method of preparing graft copolymer

A repellent agent composition including an aqueous continuous phase and a graft copolymer dispersed in the aqueous continuous phase. The graft copolymer has a water soluble polymer trunk having hydroxyl groups and branches having fluorinated groups bonded to the polymer trunk at a carbon atom substituted with a hydroxyl group. Also disclosed is a method of making the graft copolymer and a substrate treated with the repellent composition.

Polyalkyl(meth)acrylate for improving properties lubricating oil

FIELD: chemistry. SUBSTANCE: present invention relates to polyalkyl (meth) acrylate for improving the properties of lubricating oils. Describes a polyalkyl (meth) acrylate for improving the properties of lubricating oils containing repeating units derived from (meth) acrylates with 6-22 carbon atoms in the alcohol radical, characterized in that the polyalkyl (meth) acrylate, a graft copolymer, wherein the graft base comprises repeating units derived from (meth) acrylates, comprising: a) from 0 to 40 wt.% of the repeating units are derived from (meth) acrylates of formula (I): wherein R is hydrogen or methyl, a R 1 It means an alkyl radical having 1-5 carbon atoms, b) from 20 to 99.9 wt.% of the repeating units are derived from (meth) acrylates of formula (II): wherein R is hydrogen or methyl, a R 2 It means an alkyl radical having 6-22 carbon atoms, c) from 0 to 20 wt.% of the repeating units are derived from (meth) acrylates of formula (III): wherein R is hydrogen or methyl, a R 3 an alkyl radical of 23-4,000, and a graft component comprises from 0.1 to 10 wt.% of the repeating units are amine derivatives of the polar ethylenically unsaturated monomer which is maleic acid or maleic anhydride and amine is an N-phenyl-1,4 -phenylendiamin. Also disclosed is a method for producing the above polyalkyl (meth) acrylate to form the basis for the above graft polymerizing (meth) acrylate, which then is grafted polar ethylenically unsaturated monomers, and polymer modified N-phenyl-1,4-phenylene polymer-analogous reaction. Discloses a lubricant composition comprising the above polyalkyl (meth) acrylate, and the use of the above described polyalkyl (meth) acrylate to reduce friction. EFFECT: technical result - getting supplements with high viscosity index and improved friction lubricant, reducing the formation of gray staining or pitting. 9 cl, 1 dwg, 6 tbl, 13 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 584 160 C2 (51) МПК C08F 265/04 (2006.01) C08F 220/10 (2006.01) C08F 8/32 ...

Peg-polyacetal and peg-polyacetal-poe graft copolymers and pharmaceutical compositions

合成树脂粉末

公开了一种合成树脂粉末，它含有由乙烯属不饱和单体或二烯烃单体制得的聚合物和通过其末端的硫化物键化学键联到所述聚合物的颗粒表面的聚乙烯醇。虽然本发明的合成树脂粉末在运输过程中可为粉末形式，但它在搅拌下通过将水加入其中很容易分散在水中，因为它在水中有极好的分散性和防粘连性。该合成树脂还有极好的成膜性，因此可优选用作砂浆混合物等。

Methacrylic resin emulsion and process for producing the same

비누화도 80 내지 95 몰%, 중합도 400 내지 2000 의 비닐알코올계 중합체를 분산제로 포함하고, 아크릴산 에스테르계 단량체 단위 및 메타크릴산 에스테르계 단량체 단위에서 선택되는 1 종 이상의 단량체 단위를 포함하는 중합체를 분산질로 포함하는 에멀션으로서, 에멀션 입자경 분포폭을 나타내는 "척도 a" 가 0.3 이상이고, 또한 에멀션을 20℃ 에서 막제조하여 얻은 두께 500㎛ 의 피막의 인장 강도가 100㎏/㎠ 이상인 (메트)아크릴 수지계 에멀션을 제공함으로써, 피막 강도, 피막 투명성 및 기계적 안정성 모두 우수하고, 또한 내알칼리성이 우수한 (메트)아크릴 수지계 에멀션을 얻을 수 있다. A polymer containing a vinyl alcohol polymer having a saponification degree of 80 to 95 mol% and a polymerization degree of 400 to 2000 as a dispersant, and dispersing a polymer comprising at least one monomer unit selected from an acrylic acid ester monomer unit and a methacrylic acid ester monomer unit The emulsion contained in the vagina is a (meth) acrylic resin system having a "scale a" indicating an emulsion particle size distribution range of 0.3 or more and a tensile strength of a 500 µm thick film obtained by forming the emulsion at 20 ° C. By providing the emulsion, a (meth) acrylic resin emulsion which is excellent in all of film strength, film transparency and mechanical stability and excellent in alkali resistance can be obtained.

(Meth) acrylic resin emulsion and production method thereof

Resin composition and method for producing same

Preparation method of high-toughness adhesive weather-resistant polyvinyl alcohol-based double-network hydrogel

本发明公开了一种高强韧粘性耐候聚乙烯醇基双网络水凝胶的制备方法，其以聚乙烯醇为起始原料，将其于去离子水中加热溶解制成聚乙烯醇水溶液后，在所得聚乙烯醇水溶液中加入甘油、氯化钠、丙烯酰胺、丙烯酸、交联剂N,N’‑亚甲基双丙烯酰胺和引发剂Irgacure 2959，再在紫外光下经光引发得到化学交联的聚丙烯酰胺‑丙烯酸交联结构，从而构筑出双网络的高强韧聚乙烯醇基水凝胶。本发明提供的制备方法简单易行，可构筑出任意形状的高强韧水凝胶，且制备得到的双网络水凝胶机械性能良好，具有一定的粘性和极强的耐高低温性能，能在室温环境下长时间放置而不失水、不发霉。

Method of making a polymer blend composition by reactive extrusion

The present invention is a hydrolytically modified, biodegradable polymer and a method of making a hydrolytically modifiable a biodegradable polymer. In a preferred embodiment, the invention is a method of grafting polar groups onto biodegradable polymers and modified biodegradable polymer compositions produced by the method. The polymer compositions are useful as components in flushable and degradable articles. Water-sensitive polymer blends and method of making those polymer blends are also disclosed.

Grafted biodegradable polymer blend compositions

The present invention is a hydrolytically modified, biodegradable polymer and a method of making a hydrolytically modifiable a biodegradable polymer. In a preferred embodiment, the invention is a method of grafting polar groups onto biodegradable polymers and modified biodegradable polymer compositions produced by the method. The polymer compositions are useful as components in flushable and degradable articles. Water-sensitive polymer blends and method of making those polymer blends are also disclosed.

一种吸附树脂基材的制备方法

本发明属于树脂材料领域，尤其涉及一种吸附树脂基材的制备方法。本发明提供的制备方法包括以下步骤：a)、将聚乙烯醇、苯乙烯及其聚合物、N‑乙烯基吡咯烷酮及其聚合物、烯烃单体、填料和水混合，得到混合糊料；b)、所述混合糊料进行电子束辐照，得到凝胶体；c)、所述凝胶体进行造粒，得到凝胶体颗粒；之后将所述凝胶体颗粒与热塑性树脂加热混合，得到吸附树脂基材。本发明提供的方法可自由调整制得的吸附树脂基材的孔洞大小，且制得的吸附树脂基材比表面积大、机械强度高、稳定性好；将不同吸附交换性能的功能性基团接枝到本基材上，可获得不同功能的吸附交换树脂。

GRAFT POLYMERISATES OF POLYPHENYLENE ETHERS

Coating composition

Disclosed is a coating composition which has increased coating speed and improved productivity, while maintaining excellent moisture prevention performance of coating compositions that are mainly composed of a polyvinyl alcohol polymer. Specifically disclosed is a coating composition which is characterized by containing (A) a polymer or copolymer that is obtained by polymerizing or copolymerizing at least one polymerizable vinyl monomer in the presence of a polyvinyl alcohol and/or a derivative thereof, and (B) a cellulose polymer.

A copolymer and a gas separation membrane using the same

An embodiment of the present invention provides: a copolymer which, in a copolymer grafted with a second polymer having a polyalkylene oxide repeat unit on the side of a first polymer having a hydroxyl group, has 50 to 70 wt% of a content of the second polymer among the copolymer; a gas separation membrane comprising the same; and a manufacturing method thereof.

Process for the polymerisation and copolymerisation of olefines

Olefines are homo- or co-polymerized with one another and/or with non-conjugated diolefines using as catalyst the product of reaction between a transition metal compound and a vinyl alcohol copolymer containing 1 to 20 molar per cent of vinyl alcohol in a polymerized state in its molecule, this product being activated by a metal, a hydride or an organometallic compound of a metal of Groups I to III of the French Standard Periodic Table, optionally with the addition of a halide of the Friedel-Crafts catalyst type. Preferred transition metal compounds are titanium and vanadium derivatives, e.g. TiCl4, Ti(OC2H5)3Cl, VOCl3, VCl5 and VO(OC4H9)3. Preferred activators are trialkylaluminiums and alkylaluminium halides or metallic aluminium may be used with aluminium chloride. In the examples: (a) an ethylene-vinyl acetate copolymer is hydrolysed and then reacted with TiCl4. The product is then activated with Al(iC4H9)3 or Al(C2H5)2Cl and used to polymerize ethylene; (b) a vinyl chloride/vinyl acetate/vinyl alcohol copolymer is reacted with TiCl4 and activated with Al(nC3H7)3 or Al(C2H5)3 and then used to polymerize ethylene: (c) propylene is homopolymerized or copolymerized with ethylene using a catalyst as in (b) except that the activator is Al(C2H5)3 or Al(iC4H9)3 respectively; (d) a vulcanizable elastomer is formed by copolymerizing propylene with dicyclopentadiene using a catalyst as in (b) except that Al(iC4H9)3 is used and (e) ethylene, propylene and hexadiene-1,4 are terpolymerized using a catalyst as in (d).

Extrudable barrier polymer compositions, process for preparing the compositions and monolayer or multilayer structures comprising the compositions