IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0053837
(2011-03-22)
|
등록번호 |
US-8278365
(2012-10-02)
|
발명자
/ 주소 |
- Murdock, David E.
- Mancosh, Douglas
- Przybylinski, James P.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
15 인용 특허 :
160 |
초록
▼
A composite material is produced from carpet waste and a binding agent, in intimate association, and may also include wood fiber or chips and/or other additives. A method of manufacturing a composite material includes shredding carpet waste, coating the carpet waste with a binding agent, and subject
A composite material is produced from carpet waste and a binding agent, in intimate association, and may also include wood fiber or chips and/or other additives. A method of manufacturing a composite material includes shredding carpet waste, coating the carpet waste with a binding agent, and subjecting the shredded, coated carpet waste to elevated heat and pressure. As an additional step, the composite material may be actively cooled to prevent deformation of the material.
대표청구항
▼
1. A composite building material comprising: a processed carpet waste comprising a reduced amount of inorganic filler relative to an amount present within an unprocessed carpet waste; anda binding agent in intimate association with the processed carpet waste. 2. The composite building material of cl
1. A composite building material comprising: a processed carpet waste comprising a reduced amount of inorganic filler relative to an amount present within an unprocessed carpet waste; anda binding agent in intimate association with the processed carpet waste. 2. The composite building material of claim 1, wherein the processed carpet waste comprises melted polypropylene fibers and unmelted polyester fibers. 3. The composite building material of claim 1, wherein the processed carpet waste comprises face fibers consisting essentially of a material selected from the group consisting of polyester, nylon, and polypropylene. 4. The composite building material of claim 1, further comprising a natural fiber filler selected from the group consisting of flax, jute, hemp, kenaf, rice hulls, and abaca. 5. The composite building material of claim 1, further comprising an exposed patterned surface on at least a portion thereof, the exposed patterned surface comprising at least one of an embossed surface and a colored surface. 6. The composite building material of claim 1, further comprising a coating, the coating comprising a material selected from the group consisting of a primer, a paint, and a stain. 7. The composite building material of claim 1, wherein the composite building material comprises building siding. 8. The composite building material of claim 1, further comprising additional inorganic filler relative to an amount present in the processed carpet waste. 9. A method of producing a composite building material, the method comprising the steps of: providing a processed carpet waste comprising a reduced amount of inorganic filler relative to an amount present within an unprocessed carpet waste;mixing the processed carpet waste with a binding agent to produce a carpet waste mixture; andheating and pressing the carpet waste mixture to form the composite building material. 10. The method of claim 9, wherein the processed carpet waste comprises unmelted polyester fibers and melted polypropylene fibers. 11. The method of claim 9, wherein the processed carpet waste comprises face fibers consisting essentially of a material selected from the group consisting of polyester, nylon, and polypropylene. 12. The method of claim 9, further comprising adding a natural fiber filler selected from the group consisting of flax, jute, hemp, kenaf, rice hulls, and abaca. 13. The method of claim 9, further comprising forming a patterned surface on at least a portion of the composite building material, the patterned surface comprising at least one of an embossed surface and a colored surface. 14. The method of claim 9, further comprising applying a coating, the coating comprising a material selected from the group consisting of a primer, a paint, and a stain. 15. The method of claim 9, further comprising actively cooling the composite building material under pressure. 16. The method of claim 9, further comprising modifying a cross-sectional profile of the composite building material using at least one of thermoforming, embossing, and cutting. 17. The method of claim 9, wherein the mixing step comprises adding a colorant. 18. The method of claim 9, wherein the composite building material comprises building siding. 19. The method of claim 9, further comprising providing additional inorganic filler relative to an amount present in the processed carpet waste.
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