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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0409654 (2017-01-19) |
| 등록번호 | US-10077343 (2018-09-18) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 298 |
A process for producing elastomeric composition is provided comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one
A process for producing elastomeric composition is provided comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.
1. A process for producing an elastomeric composition comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein said cellulose ester additive comprises at least one cell
1. A process for producing an elastomeric composition comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein said cellulose ester additive comprises at least one cellulose ester, and wherein said cellulose ester additive is not cellulose acetate. 2. The process according to claim 1 wherein said cellulose ester additive further comprises at least one plasticizer. 3. The process according to claim 1 wherein said cellulose ester additive further comprises at least one compatibilizer. 4. The process according to claim 1 wherein said cellulose ester additive further comprises at least one plasticizer and at least on compatibilizer. 5. The process according to claim 1 wherein said elastomer is selected from the group consisting of polyisoprene rubber, poly(styrene-co-butadiene) rubber (SBR), polybutadiene rubber (BR), poly(isoprene-co-butadiene) rubber (IBR), styrene-isoprene-butadiene rubber (SIBR), ethylene-propylene rubber (EPM), ethylene-propylene-diene rubber (EPDM), polysulfide, nitrile rubber, propylene oxide polymers, butyl rubber, halogenated butyl rubber, brominated butyl rubber, chlorinated butyl rubber, star-branched polyisobutylene rubber, star-branched brominated butyl (polyisobutylene/isoprene copolymer) rubber; poly(isobutylene-co-p-methylstyrene) and halogenated poly(isobutylene-co-p-methylstyrene). 6. The process according to claim 1 wherein said elastomer is a non-polar elastomer. 7. The process according to claim 1 wherein said elastomer is a non-nitrile elastomer. 8. The process according to claim 1 wherein said cellulose ester additive in said elastomeric composition ranges from about 0.5 to about 40 phr. 9. The process according to claim 2 wherein said plasticizer is at least one selected from the group consisting of a phosphate plasticizer, benzoate plasticizer, adipate plasticizer, a phthalate plasticizer, a glycolic acid ester, a citric acid ester plasticizer and a hydroxyl-functional plasticizer. 10. The process according to claim 1 wherein said compatibilizer is selected from the group consisting of ethoxylated alcohols, ethoxylated alkylphenols, ethoxylated fatty acids, block polymers of propylene oxide and ethylene oxide, polyglycerol esters, polysaccharide esters, and sorbitan esters. 11. The process according to claim 1 wherein said methylene acceptor is at least one selected from the group consisting of melamine resins, urea resins, polycarbonate resins, phenolic thermosetting resins, epoxy resins, unsaturated polyester resins, acrylic resins, guanamine resins, and polyurethane resins. 12. The process according to claim 11 wherein said phenolic thermosetting resin is at least one selected from the group consisting of modified and unmodified phenolic resins, cashew-modified phenolic resins, oil-modified phenolic resins, cresol modified phenolic resins, cashew-modified cresol resins, oil-modified cresol resins, novolac xylenol resin, novolac resorcinol resins and polyvinylphenol resins. 13. The process according to claim 1 wherein said methylene acceptor is a resole resin or novolac resin. 14. The process according to claim 1 wherein the amount of said methylene acceptor ranges from about 0.1 to about 50 phr, based on the total weight of the elastomers. 15. The process according to claim 1 wherein the amount of said methylene acceptor ranges from about 2 to about 25 phr, based on the total weight of the elastomers. 16. The process according to claim 1 wherein said methylene donor is a condensation product of melamine and formaldehyde or a condensation produce of melamine, formaldehyde, and methanol. 17. The process according to claim 1 wherein said methylene donor is at least one selected from the group consisting of hexamethylenetetramine, hexamethoxymethylmelamine, hexaethoxymethylmelamine, iminomethoxymethylmelamine, imino-isobutoxymethylmelamine, lauryloxymethylpyridinium chloride, ethoxymethylpyridinium chloride, trioxan hexamethoxymethylmelamine, and polymers of formaldehyde. 18. The process of claim 1 wherein the amount of said methylene donor ranges from about 0.01 to about 10 phr, based on the total weight of said elastomers. 19. The process according to claim 1 wherein at least one component of said elastomeric composition is mixed as a master batch with at least one elastomer. 20. The process according to claim 1 wherein said elastomeric composition further comprises additives other than said cellulose ester additive.
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