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EP0207792A2
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Hybrid fiber-reinforced plastic composite material
Assignee: Ube Corp
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Filing: 1986-07-02
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Granted: —
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Expires: 2006-07-02
Abstract
Abstract A hybrid fiber-reinforced plastic composite material comprising a matrix of a plastic and, as reinforcing material, hybrid fibers consisting of inorganic fibers and at least one kind of fibers selected from carbon fibers, glass fibers, boron fibers, aramide fibers and silicon carbide fibers having a carbon core, wherein (a) the inorganic fibers contain silicon, either titanium or zirconium, carbon and oxygen and are composed of (i) an amorphous material consisting substantially of Si, M, C and O where M represents Ti or Zr, or (ii) an aggregate consisting substantially of ultrafine crystalline particles with a particle diameter of not more than 50 nm of β-SiC, MC, a solid solution of β-SiC and MC and MC 1-x , and amorphous SiO 2 and MO 2 , where M is as defined and x is a number represented by 0<x<1, or (iii) a mixture of the amorphous material (i) and the aggregate (ii), (b) the composite material has an interlayer shear strength of at least 9 kg/mm 2 , and (c) the composite material has a flexural impact value of at least 250 kg;cm/cm 2 .
Inventors
- 👤 Takemi Ube Research Laboratory Yamamura
- 👤 Masahiro Ube Research Laboratory Tokuse
- 👤 Teruhisa Ube Research Laboratory Furushima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 21:53
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/2929; Y10T428/2931; Y10T428/2933; Y10T428/2964; Y10T428/30; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/3195; Y10T442/3472; Y10T442/3528; Y10T442/3569; Y10T442/3585; Y10T442/60; Y10T442/659; Y10T442/67
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
183 words
A hybrid fiber-reinforced plastic composite material comprising a matrix of a plastic and, as reinforcing material, hybrid fibers consisting of inorganic fibers and at least one kind of fibers selected from carbon fibers, glass fibers, boron fibers, aramide fibers and silicon carbide fibers having a carbon core, wherein (a) the inorganic fibers contain silicon, either titanium or zirconium, carbon and oxygen and are composed of (i) an amorphous material consisting substantially of Si, M, C and 0 where M represents Ti or Zr, or (ii) an aggregate consisting substantially of ultrafine crystalline particles with a particle diameter of not more than 50 nm of β-SiC, MC, a solid solution of β-SiC and MC and MC 1-x , and amorphous SiO 2 and M0 2 , where M is as defined and x is a number represented by 0<x<l, or (iii) a mixture of the amorphous material (i) and the aggregate (ii), (b) the composite material has an interlayer shear strength of at least 9 kg/mm , and (c) the composite material has a flexural impact value of at least 250 kg;cm/cm 2 .
Claim 2
Dependent Claim
183 words
A hybrid fiber-reinforced plastic composite material comprising a matrix of a plastic and, as reinforcing material, hybrid fibers consisting of inorganic fibers and at least one kind of fibers selected from carbon fibers, glass fibers, boron fibers, aramide fibers and silicon carbide fibers having a carbon core, wherein (a) the inorganic fibers contain silicon, either titanium or zirconium, carbon and oxygen and are composed of (i) an amorphous material consisting substantially of Si, M, C and 0 where M represents Ti or Zr, or (ii) an aggregate consisting substantially of ultrafine crystalline particles with a particle diameter of not more than 50 nm of β-SiC, MC, a solid solution of β-SiC and MC and MC 1-x , and amorphous SiO 2 and M0 2 , where M is as defined and x is a number represented by 0<x<l, or (iii) a mixture of the amorphous material (i) and the aggregate (ii), (b) the composite material has an interlayer shear strength of at least 9 kg/mm , and (c) the composite material has a flexural impact value of at least 250 kg;cm/cm 2 .
Claim 3
Dependent Claim
56 words
A composite material according to claim 1 wherein the plastic is at least one material selected from epoxy resins, modified epoxy resins, polyester resins, phenolic resins, polyimide resins, polyurethane resins, polyamide resins, polycarbonate resins, silicone resins, fluorine resins, polyamide resins, polyphenylene sulfide, polybutylene terephthalate, polyethylene, polypropylene, modified polyphenylene oxide, polystyrene, ABS resin and vinyl chloride resins.
Claim 4
Dependent Claim
44 words
A composite material according to claim 1 wherein the inorganic fibers contain 30 to 60% by weight of Si, 0.5 to 35 % by weight of Ti or Zr, 25 to 40% by weight of C, and 0.01 to 30% by weight of 0.
Claim 5
Dependent Claim
29 words
A composite material according to claim 1, 2 or 3 wherein the proportion of the hybrid fibers is 10 to 70% by volume based on the entire composite material.
Claim 6
Dependent Claim
29 words
A composite material according to any one of the preceding claims wherein the proportion of the inorganic fibers is at least 10% by volume based on the hybrid fibers.
Claim 7
Dependent Claim
23 words
A composite material according to any one of the preceding claims wherein the hybrid fibers are incorporated in the plastic monoaxially or multiaxially.
Claim 8
Dependent Claim
50 words
A composite material according to any one of claims 1 to 5 wherein the hybrid fibers are in the form of a woven cloth selected from a plain-weave fabric, satin-weave fabric, an imitation gauze-weave fabric, a twill-weave fabric, a leno-weave fabric, a helically woven fabric and a three-dimensionally woven fabric.
Claim 9
Dependent Claim
23 words
A composite material according to any one of claims 1 to 5 wherein the hybrid fibers are in the form of chopped strands.
References Cited (Backward Citations)
No citation records indexed.
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