Cellulosic and lignocellulosic materials and compositions and composites made therefrom
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-021/10
B32B-021/00
D04H-001/00
출원번호
US-0471924
(2006-06-21)
등록번호
US-7470463
(2008-12-30)
발명자
/ 주소
Medoff,Marshall
Lagace,Arthur P.
출원인 / 주소
Xyleon, Inc.
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
6인용 특허 :
220
초록
Cellulosic or lignocellulosic materials, and compositions and composites made therefrom, are disclosed.
대표청구항▼
The invention claimed is: 1. A composite comprising: a fibrous material including fibers comprising a cellulosic or lignocellulosic material, wherein the cellulosic or lignocellulosic material has been sheared to the extent that it has a bulk density less than about 0.5 g/cm3, and wherein at least
The invention claimed is: 1. A composite comprising: a fibrous material including fibers comprising a cellulosic or lignocellulosic material, wherein the cellulosic or lignocellulosic material has been sheared to the extent that it has a bulk density less than about 0.5 g/cm3, and wherein at least about 50% of the fibers have a length/diameter ratio of at least about 5; and a resin. 2. The composite of claim 1, wherein the resin is a thermoplastic resin. 3. The composite of claim 1, wherein the resin is selected from the group consisting of polyethylene, polypropylene, polystyrene, polycarbonate, polybutylene, thermoplastic polyesters, polyethers, thermoplastic polyurethane, PVC, polyamides, and mixtures thereof. 4. The composite of claim 1, wherein the composite is in the form of an article selected from the group consisting of panels, pipes, decking materials, boards, housings, sheets, poles, straps, fencing, members, doors, shutters, awnings, shades, signs, frames, window casings, backboards, wallboards, flooring, tiles, railroad ties, forms, trays, tool handles, stalls, bedding, dispensers, staves, films, wraps, totes, barrels, boxes, packing materials, baskets, straps, slips, racks, casings, binders, dividers, walls, indoor and outdoor carpets, rugs, wovens, and mats, frames, bookcases, sculptures, chairs, tables, desks, art, toys, games, wharves, piers, boats, masts, pollution control products, septic tanks, automotive panels, substrates, computer housings, above-and below-ground electrical casings, furniture, picnic tables, tents, playgrounds, benches, shelters, sporting goods, beds, bedpans, thread, filament, cloth, plaques, trays, hangers, servers, pools, insulation, caskets, bookcovers, clothes, canes, crutches, and other construction, agricultural, material handling, transportation, automotive, industrial, environmental, naval, electrical, electronic, recreational, medical, textile, and consumer products. 5. The composite of claim 1, wherein the fibrous material has a bulk density less than about 0.2 g/cm3. 6. The composite of claim 1, wherein said cellulosic or lignocellulosic material comprises paper or paper products. 7. The composite of claim 1, wherein at least about 50% of the fibers have a length/diameter ratio of at least about 25. 8. The composite of claim 1, wherein at least about 50% of the fibers have a length/diameter ratio of at least about 10. 9. The composite of claim 1, wherein the cellulosic or lignocellulosic material is selected from the group consisting of paper, paper products, byproducts of paper manufacture, newsprint, effluent from paper manufacture, wood, wood fibers, wood-related materials, kenaf, grasses, rice hulls, bagasse, cotton, jute, hemp, flax, bamboo bast fibers, bamboo core fibers, leaf plants, sisal, abaca, agricultural fibers, cereal straw, corn cobs, rice hulls, coconut hair, offal, rags, and mixtures thereof. 10. The composite of claim 1, wherein the resin is polypropylene or polyethylene.
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이 특허에 인용된 특허 (220)
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