Method for producing fiber-reinforced composite materials from polyamide 6 and copolyamides made of polyamide 6 and polyamide 12
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-003/02
B29C-070/52
B29C-067/24
C08J-005/24
B29B-015/12
B29K-077/00
출원번호
US-0382782
(2010-07-06)
등록번호
US-9962889
(2018-05-08)
우선권정보
EP-09164863 (2009-07-08)
국제출원번호
PCT/EP2010/059628
(2010-07-06)
§371/§102 date
20120106
(20120106)
국제공개번호
WO2011/003900
(2011-01-13)
발명자
/ 주소
Scherzer, Dietrich
Kory, Gad
Weber, Martin
출원인 / 주소
BASF SE
대리인 / 주소
Drinker Biddle & Reath LLP
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
The present invention relates to a method for producing fiber-reinforced composite materials, in which a multiplicity of continuous filaments or woven fabric is impregnated optionally together with reinforcing materials, comprising caprolactam and other starting materials for polyamide 6 or other st
The present invention relates to a method for producing fiber-reinforced composite materials, in which a multiplicity of continuous filaments or woven fabric is impregnated optionally together with reinforcing materials, comprising caprolactam and other starting materials for polyamide 6 or other starting materials for copolymers of caprolactam, passed through at temperatures of 70 to 100° C., and anionically polymerized at temperatures of 100 to 190° C., and optionally repolymerized at temperatures of 90 to 170° C.
대표청구항▼
1. A method for producing fiber-reinforced composite materials, wherein a multiplicity of continuous filaments or woven fabric is impregnated, optionally together with reinforcing materials, with a mixture comprising caprolactam and other starting materials for polyamide 6,passed through at temperat
1. A method for producing fiber-reinforced composite materials, wherein a multiplicity of continuous filaments or woven fabric is impregnated, optionally together with reinforcing materials, with a mixture comprising caprolactam and other starting materials for polyamide 6,passed through at temperatures of 70° to 100° C. that are above the melting temperature of the system,and thereafter, as a prepreg, cooled below the melting temperature of 70° C.,and subsequently anionically polymerized at temperatures of 100° to 160° C.,and repolymerized at temperatures of 90° to 170° C. 2. The method for producing a fiber-reinforced composite material according to claim 1, wherein repolymerization takes place at temperatures of 100° to 160° C. 3. The method for producing a fiber-reinforced composite material according to claim 1, wherein the continuous filaments are passed as a strand of fibers through a bath. 4. The method for producing a fiber-reinforced composite material according to claim 1, wherein an amount not to exceed 20% by weight of the caprolactam has been replaced by comonomers. 5. The method for producing a fiber-reinforced composite material according to claim 1, wherein mixtures of ϵ-caprolactam and ω-laurolactam are used. 6. The method for producing a fiber-reinforced composite material according to claim 1, wherein the impregnation of the filaments or woven fabric is carried out at a temperature of 70° to 100° C. 7. The method for producing a fiber-reinforced composite material according to claim 1, wherein continuous filaments of glass, carbon, aramid, steel, and/or ceramic are used. 8. The method for producing a fiber-reinforced composite material according to claim 7, wherein continuous filaments of aramid, steel, and/or ceramic are used. 9. The method for producing a fiber-reinforced composite material according to claim 1, wherein continuous filaments of glass, carbon, aramid, steel, ceramic and/or other temperature-resistant polymeric fibers or filaments are used. 10. The method for producing a fiber-reinforced composite material according to claim 9, wherein continuous filaments of aramid, steel, ceramic and/or other temperature-resistant polymeric fibers or filaments are used. 11. The method for producing a fiber-reinforced composite material according to claim 1, wherein high-modulus carbon fibers, silicatic and nonsilicatic glasses, carbon, boron, silicon carbide, metals, metal alloys, metal oxides, metal nitrides, metal carbides, and/or silicates are used as the fiber. 12. The method for producing a fiber-reinforced composite material according to claim 11, wherein high-modulus carbon fibers, boron, silicon carbide, metals, metal alloys, metal oxides, metal nitrides, metal carbides, and/or silicates are used as the fiber. 13. The method for producing a fiber-reinforced composite material according to claim 1, wherein polyacrylonitriles, polyesters, ultrastretched polyolefin fibers, polyamides, polyimides, aramids, liquid-crystal polymers, polyphenylene sulfides, polyether ketones, polyether ether ketones, polyetherimides, cotton, cellulose, flax, sisal, kenaf, hemp, and/or abaca, are used as the fiber. 14. The method for producing a fiber-reinforced composite material according to claim 13, wherein polyacrylonitriles, ultrastretched polyolefin fibers, polyimides, aramids, liquid-crystal polymers, polyphenylene sulfides, polyether ketones, polyether ether ketones, polyetherimides, cotton, cellulose, flax, sisal, kenaf, hemp, and/or abaca, are used as the fiber. 15. The method for producing a fiber-reinforced composite material according to claim 1, wherein the composite material comprises 40% to 80% by volume of fibers. 16. The method for producing a fiber-reinforced composite material according to claim 1, wherein anionic polymerization takes place at temperatures of 130° to 160° C. 17. A method for producing fiber-reinforced composite materials, wherein a multiplicity of continuous filaments or woven fabric is impregnated together with reinforcing materials, with a mixture comprising caprolactam and other starting materials for polyamide 6,passed through at temperatures of 70° to 100° C. that are above the melting temperature of the system,and thereafter, as a prepreg, cooled below the melting temperature of 70° C.,and subsequently anionically polymerized at temperatures of 100° to 160° C.,and repolymerized at temperatures of 90° to 170° C.
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