IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0583120
(2000-05-30)
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발명자
/ 주소 |
- Bagrodia, Shriram
- Germinario, Louis Thomas
- Gilmer, John Walker
- Lan, Tie
- Psihogios, Vasiliki
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출원인 / 주소 |
- University of South Carolina Research Foundation
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
14 인용 특허 :
95 |
초록
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The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing polymer-clay nanocomposites, and articles or products produced from nanoco
The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing polymer-clay nanocomposites, and articles or products produced from nanocomposite materials.
대표청구항
▼
The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing polymer-clay nanocomposites, and articles or products produced from nanoco
The invention is directed to a polymer-clay nanocomposite material comprising a melt-processible matrix polymer and a layered clay material having low quartz content. This invention is also directed to a process for preparing polymer-clay nanocomposites, and articles or products produced from nanocomposite materials. dom copolymer of ethylene and propylene, said resin being in a molding grade, fiber grade, film grade or extrusion grade.11. A fiber according to 10 wherein the polyolefin resin is polypropylene.12. A fiber according to claim 6, wherein the polyolefin resin is polypropylene, polyethylene, a block copolymer of ethylene and propylene, or a random copolymer of ethylene and propylene, said resin being in a molding grade, fiber grade, film grade or extrusion grade.13. A fiber according to 12 wherein the polyolefin resin is polypropylene.14. A fiber according to claim 5, wherein the free radical source is stable at processing temperatures of from about 150° C. to about 250° C., and which further decomposes at temperatures of from about 220° C. to about 350° C.15. A fiber according to claim 14, where the free radical source is 2,3-dimethyl-2,3-diphenyl-butane or 2,3-dimethyl-2,3-diphenyl-hexane.16. A fiber according to claim 6, wherein the free radical source is stable at processing temperatures of from about 150° C. to about 250° C., and which further decomposes at temperatures of from about 220° C. to about 350° C.17. A fiber according to claim 16, where the free radical source is 2,3-dimethyl-2,3-diphenyl-butane or 2,3-dimethyl-2,3-diphenyl-hexane.18. A fiber according to claim 6, wherein the amount of tris(tribromoneopentyl) phosphate is from about 0.5% to about 20% (w/w), the amount of the free radical source is from about 0.01% to about 4% (w/w) and the amount of the additional fire retardant component is from about 0.5% to about 10% (w/w).19. A fiber according to claim 5 further comprising at least one additive selected from the group consisting of hindered amine UV light stabilizers that are alkoxyamine functional hindered amines, UV screeners, UV absorbers, release agents, lubricants, colorants, plasticizers, fillers, blowing agents, heat stabilizers, antioxidants, fiber reinforcement, impact modifiers, and processing aids.20. A fiber according to claim 6 further comprising at least one additive selected from the group consisting of hindered amine UV and light stabilizers that are alkoxyamine functional hindered amines, UV screeners, UV absorbers, release agents, lubricants, colorants, plasticizers, fillers, blowing agents, heat stabilizers, antioxidants, fiber reinforcement, impact modifiers, and processing aids.21. A textile structure comprising a plurality of fibers, wherein the fibers are composed according to claim 6.22. A textile structure comprising a plurality of fibers, wherein the fibers are composed according to claim 6.23. A method for improving the flame-retardancy of a polyolefin resin by using a masterbatch concentrate comprising about 2% to about 90% (w/w) of tris(tribromoneopentyl) phosphate, about 0.03% to about 12% (w/w) of free radical initiator, and optionally about 0.7% to about 30% (w/w) of antimony trioxide. 24. A method according to claim 23 wherein the masterbatch concentrate comprises about 25% to about 80% (w/w) of tris(tribromoneopentyl) phosphate and about 0.1% to about 10% (w/w) of free radical initiator.25. An injection or extrusion molded thermoplastic object comprising: (i) at least one polyolefin; (ii) tris(tribromoneopentyl) phosphate; and (iii) a free radical source which is 2,3-dimethyl-2,3-diphenyl-butane or 2,3-dimethyl-2,3-diphenyl-hexane. 26. An injection or extrusion molded object comprising: (i) at least one polyolefin; (ii) tris (tribromoneopentyl) phosphate; and (iii) a free radical source which is 2,3-dimethyl-2,3-diphenyl-butane or 2,3-dimethyl-2,3-diphenyl-hexane, and further comprising an additional flame-retarding compound. 27. A fiber according to claim 17, wherein the amount of said free radical source is from 0.05% to 2% (w/w).28. A flame-retardant polyolefin composition according to claim 1, wherein the polyolefin is selected from the group consisting of a homopolymer or copolymer.29. A flame-retardant composition according to claim 1, wherei
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