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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0889094 (2014-08-05) |
| 등록번호 | US-9752015 (2017-09-05) |
| 국제출원번호 | PCT/US2014/049735 (2014-08-05) |
| 국제공개번호 | WO2016/022103 (2016-02-11) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 360 |
Polymeric composites and methods for preparing the composites are described herein. The polymeric composites can comprise a polymer, an inorganic filler, and a plurality of short length fibers. The polymer in the composites can include homopolymers and copolymers and can also include plastics, resin
Polymeric composites and methods for preparing the composites are described herein. The polymeric composites can comprise a polymer, an inorganic filler, and a plurality of short length fibers. The polymer in the composites can include homopolymers and copolymers and can also include plastics, resins, elastomers, thermoplastics, thermosets, and hot melts. The inorganic filler can be fly ash. The short length fibers can have an average length of 650 μm or less. Methods for making the polymeric composites are also described.
1. A composite comprising: (a) a polymer;(b) from 25% to 90% by weight of an inorganic filler comprising fly ash; and(c) a plurality of short length fibers having an average length of 650 μm or less. 2. The composite of claim 1, wherein the short length fibers have an average aspect ratio of length
1. A composite comprising: (a) a polymer;(b) from 25% to 90% by weight of an inorganic filler comprising fly ash; and(c) a plurality of short length fibers having an average length of 650 μm or less. 2. The composite of claim 1, wherein the short length fibers have an average aspect ratio of length to diameter of 5:1 to 250:1. 3. A composite comprising: (a) a polymer;(b) from 25% to 90% by weight of an inorganic filler; and(c) a plurality of short length fibers having an average aspect ratio of length to diameter of 8:1 to 250:1, wherein the short length fibers are selected from the group consisting of mineral wool, cellulose, wood fiber, saw dust, wood shavings, cotton, lint, and combinations thereof. 4. The composite of claim 1, wherein the short length fibers are selected from the group consisting of mineral wool, cellulose, wood fiber, saw dust, wood shavings, cotton, lint, and combinations thereof. 5. The composite of claim 3, wherein the short length fibers have an average length of from 50 μm to 650 μm. 6. The composite of claim 1, wherein the short length fibers have an average length of from 100 μm to 250 μm. 7. The composite of claim 1, wherein the short length fibers have an average diameter of from 1 to 20 μm. 8. The composite of claim 1, wherein the short length fibers are present in an amount from 0.5% to 15% by weight, based on the total weight of the composite. 9. The composite of claim 1, wherein the inorganic filler is present in an amount from 50% to 80% by weight, based on the total weight of the composite. 10. The composite of claim 1, further comprising a plurality of glass fibers having a minimum length of 1 mm. 11. The composite of claim 10, wherein the glass fiber is present in an amount from 0.5% to 10% by weight, based on the total weight of the composite. 12. The composite of claim 1, wherein the polymer is selected from the group consisting of polyolefins, ethylene copolymers, polystyrenes, polyvinyl chlorides, polyvinylidene chlorides, polyvinyl acetates, polyacrylonitriles, polyamides, polyisobutylenes, polyacetals, chlorinated and fluorinated polymers, fluoroelastomers, fluorosilicones, polycarbonates, epoxies, phenolics, polyesters, acrylic polymers, acrylate polymers, polyurethanes, alkyds, silicones, styrene-butadiene copolymers, acrylonitrile-butadiene-styrene copolymers, nitrile rubbers, diallyl phthalates, melamines, polybutadienes, aramids, cellulosics, cellulose acetobutyrates, ionomers, parylenes, polyaryl ethers, polyaryl sulfones, polyarylene sulfides, polyethersulfones, polyallomers, polyimides, polyamideimides, polymethylpentenes, polyphenylene oxides, polyphenylene sulfides, polysulfones, polyetherketones, polyetherimides, polyaryleneketones, polychloroprenes, and blends thereof. 13. The composite of claim 1, wherein the polymer is a polyurethane formed by the reaction of at least one isocyanate selected from the group consisting of diisocyanates, polyisocyanates and mixtures thereof, and at least one polyol. 14. The composite of claim 1, wherein the composite has a density of 20 lb/ft3 to 60 lb/ft3. 15. A building material comprising the composite of claim 1. 16. A method of preparing a polyurethane composite, comprising: (a) mixing (1) 25% to 90% by weight of an inorganic filler based on the total weight of the composite;(2) at least one isocyanate selected from the group consisting of diisocyanates, polyisocyanates, and combinations thereof;(3) at least one polyol;(4) a plurality of short length fibers having a length of 650 μm or less; and(5) a catalyst; and(b) allowing the at least one isocyanate and the at least one polyol to react in the presence of the inorganic filler, and the plurality of short length fibers to form the polyurethane composite. 17. The method of claim 16, wherein the short length fibers are selected from the group consisting of mineral wool, cellulose, wood fiber, saw dust, wood shavings, cotton, lint, and combinations thereof. 18. The composite of claim 3, wherein the inorganic filler comprises fly ash. 19. A composite comprising: (a) a polymer;(b) from 25% to 90% by weight of an inorganic filler;(c) a plurality of short length fibers having an average length of 650 μm or less; and(d) a plurality of glass fibers having a minimum length of 1 mm. 20. The composite of claim 19, wherein the glass fibers are present in an amount from 0.5% to 10% by weight, based on the total weight of the composite. 21. A composite comprising: (a) a polymer;(b) from 25% to 90% by weight of an inorganic filler;(c) a plurality of short length fibers having an average length of 650 μm or less; and(d) a plurality of glass fibers, wherein the glass fibers are present in an amount from 0.5% to 10% by weight, based on the total weight of the composite. 22. A composite comprising: (a) a polymer;(b) from 25% to 90% by weight of an inorganic filler;(c) a plurality of short length fibers having an average length of 650 μm or less; wherein the short length fibers are selected from the group consisting of mineral wool, cellulose, wood fiber, saw dust, wood shavings, cotton, lint, and combinations thereof. 23. A method of preparing a polyurethane composite, comprising: (a) mixing (1) 25% to 90% by weight of an inorganic filler based on the total weight of the composite;(2) at least one isocyanate selected from the group consisting of diisocyanates, polyisocyanates, and combinations thereof;(3) at least one polyol; and(4) a plurality of short length fibers having a length of 650 μm or less, wherein the short length fibers are selected from the group consisting of mineral wool, cellulose, wood fiber, saw dust, wood shavings, cotton, lint, and combinations thereof; and(b) allowing the at least one isocyanate and the at least one polyol to react in the presence of the inorganic filler, and the plurality of short length fibers to form the polyurethane composite.
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