method for modifying a blend of polycarbonate and acrylonitrile butadiene styrene / /, and, composite composition.

COMPOSITES FOR CURED-IN-PLACE PIPE

Embodiments of the present disclosure include flexible impregnated articles, composites produced by curing such flexible impregnated article, and processes for forming flexible impregnated articles. The flexible impregnated articles, composites, and processes can be used as alternatives to articles, composites, and processes in a cured-in-place pipe rehabilitation process that include epoxy resins, thus eliminating toxicity issues associated with the use of epoxy resins. The instantly-disclosed flexible impregnated articles, composites, and processes can be particularly useful for the CIPP process in potable water pipe and pressure pipe applications. 1. A flexible impregnated article comprising: [{'sub': 2', '3, '(a) a base resin comprising at least one C-Cpolyolefin having a melting point of at least 110° C.; and'}, {'sub': 2', '3, '(b) a dispersing agent comprising at least one of a polymer having ethylene and carboxylic acid, a modifying polymer comprising at least one maleated C-Cpolyolefin wax, or combinations thereof;'}], 'a fabric material comprising a thermoplastic backing layer and a fibrous layer impregnated with an aqueous dispersion, wherein the aqueous dispersion compriseswherein the flexible impregnated article has a flexural modulus of less than 15,000 psi.2. The flexible impregnated article of claim 1 , wherein the aqueous dispersion comprises the dispersing agent comprising at least one polymer having ethylene and carboxylic acid.3. The flexible impregnated article of claim 1 , wherein the flexible impregnated article is substantially free of epoxy and carbamide material.4. The flexible impregnated article of claim 1 , wherein the base resin comprises one or more components selected from the group consisting of polyethylene copolymers having a density above about 0.930 g/cm claim 1 , polypropylene copolymers claim 1 , or combinations thereof.5. The flexible impregnated article of claim 1 , wherein the dispersing agent has a melting point less than ...

ETHYLCELLULOSE DISPERSION AND POWDER

Provided is an aqueous composition having pH of 8 or higher and comprising (i) a solid phase comprising dispersed particles that comprise ethylcellulose polymer, (ii) fatty acid, wherein 25 mole % to 100 mole % of said fatty acid is in ionic form, (iii) 0% to 0.1% colloid stabilizer, by weight based on the dry weight of said ethylcellulose polymer, (iv) 0% to 7% plasticizer, by weight based on the dry weight of said ethylcellulose polymer, and (v) one or more cations of an alkali metal or an alkaline earth, wherein the equivalent ratio of said cations to said fatty acid is 0.1:1 to 2:1. Also provided are a method of spray drying an aqueous composition and a powder composition. 1. An aqueous composition having pH of 8 or higher and comprising(i) a solid phase comprising dispersed particles that comprise an amount of ethylcellulose polymer,(ii) 0.5% to 7% fatty acid, by weight based on the total dry weight of the solid phase, wherein 25 mole % to 100 mole % of said fatty acid is in ionic form,(iii) 0% to 0.1% colloid stabilizer, by weight based on the dry weight of said ethylcellulose polymer,(iv) 0% to 7% plasticizer, by weight based on the dry weight of said ethylcellulose polymer, and(v) one or more cations of an alkali metal or of an alkaline earth, wherein the equivalent ratio of said cations to said fatty acid is 0.1:1 to 2:1.2. The aqueous composition of claim 1 , wherein the amount of said ethylcellulose polymer is 45% to 90% by weight based on the dry weight of said solid phase.3. The aqueous composition of claim 1 , wherein said ethylcellulose powder has viscosity of 16-30 mPa-s claim 1 , wherein the viscosity of said ethylcellulose powder is defined as the viscosity of a 5 weight percent solution of said ethylcellulose polymer in a solvent claim 1 , based on the weight of the solution claim 1 , wherein the solvent is a mixture of 80% toluene and 20% ethanol by weight based on the weight of the solvent.4. The aqueous composition of claim 1 , wherein the ...

AQUEOUS ETHYLCELLULOSE DISPERSIONS With polymeric additive

Provided is an aqueous composition having pH of 8 or higher and comprising (a) a solid phase comprising dispersed particles that comprise an amount of ethylcellulose polymer, (b) an amount of one or more polymeric dispersants, wherein said polymeric dispersant has a weight-average molecular weight of 5,000 daltons or higher, and wherein said polymeric dispersant has an acid value of 60 to 190 mg KOH/g of polymer. Also provided is a method of making such a composition using an extruder. Also provided is a film made by removing water from such a composition. 1. An aqueous composition having pH of 8 or higher and comprising(a) a solid phase comprising dispersed particles that comprise an amount of ethylcellulose polymer,(b) an amount of one or more polymeric dispersants, wherein said polymeric dispersant has a weight-average molecular weight of 5,000 daltons or higher, and wherein said polymeric dispersant has an acid value of 60 to 190 mg KOH/g of polymer.2. The aqueous composition of wherein said composition comprises monomeric dispersant in an amount of 0 to 0.01% by weight based on the weight of said composition.3. The aqueous composition of wherein said polymeric dispersant comprises one or more olefin copolymers claim 1 , one or more monoester derivatives of cellulose claim 1 , or a mixture thereof.4. A method of making the aqueous composition of claim 1 , wherein said method comprises(i) feeding the ethylcellulose polymer and the polymeric dispersant into a melt and mix zone of an extruder wherein the ethylcellulose polymer and the polymeric dispersant are heated and mixed together to form a melt;(ii) conveying the melt to an emulsification zone of the extruder in which the temperature and pressure are controlled;(iii) feeding a base and water into the emulsification zone wherein the melt is dispersed to form an emulsion having 60% to 72% solids by volume;(iv) conveying the emulsion to a dilution and cooling zone of the extruder; and feeding water into the ...

Method for modifying polycarbonate blends

Provided is a method of modifying a blend of polycarbonate and acrylonitrile/butadiene/styrene copolymer comprising adding composite particles to the blend, wherein the composite particles comprise (I) a partially crosslinked polyolefin core and (II) a full or partial shell comprising polymerized units of one or more vinyl monomer, and the resulting modified blend.

Composites for cured-in-place pipe

Embodiments of the present disclosure include flexible impregnated articles, composites produced by curing such flexible impregnated article, and processes for forming flexible impregnated articles. The flexible impregnated articles, composites, and processes can be used as alternatives to articles, composites, and processes in a cured-in-place pipe rehabilitation process that include epoxy resins, thus eliminating toxicity issues associated with the use of epoxy resins. The instantly-disclosed flexible impregnated articles, composites, and processes can be particularly useful for the CIPP process in potable water pipe and pressure pipe applications.

Method for modifying polycarbonate blends

Provided is a method of modifying a blend of polycarbonate and acrylonitrile/butadiene/styrene copolymer comprising adding composite particles to the blend, wherein the composite particles comprise(I) a partially crosslinked polyolefin core and(II) a full or partial shell comprising polymerized units of one or more vinyl monomer, and the resulting modified blend.

Method for modifying polycarbonate blends

Provided is a method of modifying a blend of polycarbonate and acrylonitrile/butadiene/styrene copolymer comprising adding composite particles to the blend, wherein the composite particles comprise (I) a partially crosslinked polyolefin core and (II) a full or partial shell comprising polymerized units of one or more vinyl monomer, and the resulting modified blend.

composites for on-site cured pipes

as modalidades da presente divulgação incluem artigos impregnados flexíveis, compósitos produzidos pela cura de tal artigo impregnado flexível e processos para formar artigos impregnados flexíveis. os artigos flexíveis impregnados, compósitos e processos podem ser usados como alternativas para os artigos, compósitos e processos em um processo de reabilitação de tubulações curadas no local que incluem resinas epóxi, eliminando assim problemas de toxicidade associados ao uso de resinas epóxi. os artigos, compósitos e processos impregnados flexíveis, presentemente divulgados, podem ser particularmente úteis para o processo de cipp em aplicações de tubulação de água potável e tubulações de pressão. embodiments of the present disclosure include flexible impregnated articles, composites produced by curing such flexible impregnated article and processes for forming flexible impregnated articles. Impregnated flexible articles, composites and processes can be used as alternatives to articles, composites and processes in a site cured pipe rehabilitation process that includes epoxy resins, thus eliminating toxicity problems associated with the use of epoxy resins. The presently disclosed flexible impregnated articles, composites and processes may be particularly useful for the cipp process in potable water and pressure piping applications.

Aqueous ionomeric dispersions, and methods thereof

An aqueous ionomer dispersion, and method of manufacturing thereof, comprising an ionomer composition and water, wherein the ionomer composition comprises: a) at least 20 wt.%, based on the total weight percent of the ionomer composition, of an ionomer; and b) up to 80 wt.%, based on the total weight percent of the ionomer composition, of a polyolefin.

Dispersão aquosa do ionômero, método para fabricar uma dispersão aquosa de ionômero, método para formar um artigo revestido e artigo revestido

DISPERSÃO AQUOSA DE IONÔMERO, MÉTODO PARA FABRICAR UMA DISPERSÃO AQUOSA DE IONÔMERO, MÉTODO PARA FORMAR UM ARTIGO REVESTIDO E ARTIGO REVESTIDO. Trata-se de uma dispersão aquosa de ionômero e método para fabricação da mesma, que compreende uma composição de ionômero e água, em que a composição de ionômero compreende: a) pelo menos 20% em peso, com base na porcentagem em peso total da composição de ionômero, de um ionômero; e b) até 80% em peso, com base na porcentagem em peso total da composição de ionômero, de uma poliolefina.

Aqueous ionomeric dispersions, and methods thereof

An aqueous ionomer dispersion, and method of manufacturing thereof, comprising an ionomer composition and water, wherein the ionomer composition comprises: a) at least 20 wt.%, based on the total weight percent of the ionomer composition, of an ionomer; and b) up to 80 wt.%, based on the total weight percent of the ionomer composition, of a polyolefin.

Aqueous ionomeric dispersions, and methods thereof

An aqueous ionomer dispersion, and method of manufacturing thereof, comprising an ionomer composition and water, wherein the ionomer composition comprises: a) at least 20 wt.%, based on the total weight percent of the ionomer composition, of an ionomer; and b) up to 80 wt.%, based on the total weight percent of the ionomer composition, of a polyolefin.

Aqueous ionomeric dispersions, and methods thereof

Dispersão aquosa de ionômero, método de fabricação de uma dispersão aquosa de ionômero, método para formar um artigo revestido e artigo revestido

DISPERSÃO AQUOSA DE IONÔMERO, MÉTODOS PARA FABRICAÇÃO DE UMA DISPERSÃO AQUOSA DE IONÔMERO E PARA FORMAR UM ARTIGO REVESTIDO, E, ARTIGO REVESTIDO. Trata-se de uma dispersão aquosa de ionômero e método para fabricação da mesma, que compreende uma composição de ionômero e água, em que a composição de ionômero compreende: a) pelo menos 20% em peso, com base na porcentagem em peso total da composição de ionômero, de um ionômero; e b) até 80% em peso, com base na porcentagem em peso total da composição de ionômero, de uma poliolefina.