[특허]Reinforced powder paint for composites

Reinforced powder paint for composites 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C09D-163/00 C08K-007/02 C08L-077/10 C09D-005/03 C09D-007/12
출원번호	US-0137139 (2013-12-20)
등록번호	US-9701847 (2017-07-11)
발명자 / 주소	McPherson, Mathew A.
출원인 / 주소	MCP IP, LLC
인용정보	피인용 횟수 : 0 인용 특허 : 60

초록 ▼

A fiber reinforced powder paint provides improved flexural fatigue resistance for composites substrates. Fiber loading in the powder is greater than 40%. Aramid fiber loading in an epoxy based powder paint is exemplified. A composite bow limb coated with the powder paint survives a remarkably greate

대표청구항 ▼

1. A fiber reinforced composite article, wherein said article is an archery bow limb comprising a thermoset material, said archery bow limb having a side under compression when the limb is in use, and at least a machined surface portion of the compression side where material of the composite had been removed to expose fiber ends, and a powder coating on at least said machined surface portion, wherein the powder coating comprises a resin particles and at least 40% by weight of chopped fibers, the chopped fibers having a length in the direction of elongation less than the size of the resin particles. 2. The article as in claim 1 wherein the chopped fibers have a minor dimension which is the maximum dimension in the direction perpendicular to the direction of elongation which is in the range of about 0.7 to 15 nm. 3. An archery bow comprising: a riser;a first limb supporting a first pulley;a second limb supporting a second pulley;a bowstring extending between the first pulley and the second pulley;wherein the first limb comprises a thermoset composite material and a cured coating formed from a powder coating comprising polymer powder and chopped reinforcing fibers, said chopped reinforcing fibers having a maximum dimension of 100 μm, said chopped reinforcing fibers comprising 40 volume-% of said powder coating. 4. The archery bow of claim 3, wherein the second limb comprises a thermoset composite material and a cured coating formed from a powder coating comprising polymer powder and chopped reinforcing fibers, said chopped reinforcing fibers having a maximum dimension of 100 μm, said chopped reinforcing fibers comprising 40 volume-% of said powder coating. 5. The archery bow of claim 3, wherein the cured coating has a thickness of 1000 μm or less. 6. The archery bow of claim 3, wherein an average particle size of the polymer powder is about 5 μm to about 200 μm. 7. The archery bow of claim 3, wherein an average particle size of the polymer powder is about 45 μm and the maximum dimension of the chopped reinforcing fiber in the direction of elongation is 20 μm. 8. The archery bow of claim 3, wherein the thermoset composite material comprises an epoxy resin and fibers having a length of 10 mm or more and selected from the group consisting of glass, carbon, aramid or ultrahigh molecular weight polyolefin fibers and mixtures thereof. 9. The archery bow of claim 3, wherein said cured coating covers a surface of said thermoset composite material having exposed fiber ends. 10. The archery bow of claim 9, wherein said exposed fiber ends were produced by a process of machining the thermoset composite material. 11. The archery bow of claim 3, wherein the chopped reinforcing fibers are selected from the group consisting of carbon, aramid or ultrahigh molecular weight polyolefins. 12. The archery bow of claim 3, wherein the chopped reinforcing fibers have a minor dimension which is the maximum dimension in the direction perpendicular to the direction of elongation which is in the range of about 0.7-15 nm.

이 특허에 인용된 특허 (60)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Reinforced powder paint for composites 원문보기

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Reinforced powder paint for composites 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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