Injection moldable composite
First Claim
Patent Images
1. An injection moldable, electrically conductive, aluminum galvanic compatible composite comprising:
- approximatley 50 to 84 percent by weight of polyetherketone resins;
approximately 10 to 40 percent by weight of a dispersion of glass fibers; and
approximately 6 to 10 percent by weight of a dispersion of individual stainless steel fibers coated with a sizing soluble in and wettable by said resin.
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Abstract
An injection moldable composite comprising an admixture of a polyetherketone such as polyetheretherketone (PEEK) matrix resin, a metal filler such as stainless steel fiber coated with a resin sizing soluble in the matrix resin, and glass fiber. The resulting molded form of the composite being electrically conductive and aluminum galvanic compatible.
47 Citations
27 Claims
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1. An injection moldable, electrically conductive, aluminum galvanic compatible composite comprising:
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approximatley 50 to 84 percent by weight of polyetherketone resins; approximately 10 to 40 percent by weight of a dispersion of glass fibers; and approximately 6 to 10 percent by weight of a dispersion of individual stainless steel fibers coated with a sizing soluble in and wettable by said resin. - View Dependent Claims (2, 3, 26, 27)
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4. An injection moldable composite comprising:
a polyetherketone thermoplastic molding base resin containing a dispersion of a mixture in an amount to form in percent by weight of the composite, approximately 30 percent by weight of glass fiber and 6 to 10 percent by weight of individual, stainless steel fiber coated with a sizing soluble in and wettable by said resin.
- 5. The composite of cliam 4 wherein said sizing is a PEEK resin or a polysulfone resin.
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7. An injection moldable composite for forming a valve body that is electrically conductive and aluminum galvanic compatible, the composite forming the valve body comprising:
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approximatley 50 to 84 percent by weight of polyetherketone resin; approximately 10 to 40 percent of glass fibers; and approximately 6 to 10 percent by weight of individual stainless steel fibers coated with a sizing thereon that is soluble in and wettable by said resin. - View Dependent Claims (8, 9)
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10. A valve body injection molded from a composite comprising:
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a polyetherketone thermoplastic molding base resin; and a mixture in an amount to form in percent by weight of the composite, approximately 30 percent by weight of glass fiber and 6 to 10 percent by weight of polyetherketone resins sized, individual stainless steel fiber, said sizing being soluble in and wettable by said base resin.
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11. A mixture for an injection molded body that is electrically conductive, aluminum galvanic compatible, the mixture comprising:
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approximatley 50 to 84 percent by weight of polyetherketone thermoplastic molding resin; approximately 10 to 40 percent by weight glass fibers; and approximately 6 to 10 percent by weight resin sized, individual, stainless steel fibers, said sizing resin being soluble in and wettable by said molding resin. - View Dependent Claims (12)
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13. An injection molded body being formed from a composite comprising:
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a polyetherketone thermoplastic molding base resin; and a mixture in an amount to form in percent by weight of the composite, approximately 30 percent by weight of glass fiber and 6 to 10 percent by weight of individual, sized stainless steel fiber coated with a sizing soluble in and wettable by said molding resin.
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14. The composite of cliam 13 wherein said sizing is PEEK resin sizing or a polysulfone resin sizing.
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15. The composite of cliam 14 wherein said stainless steel fiber is a 300 series stainless steel fiber.
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16. An injection molded valve body, electrically conductive aluminum galvanic compatible, molded from a composite consisting of:
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a polyetherketone thermoplastic molding base resin; and a mixture of approximately 30 percent by weight of glass fiber and 8 percent by weight of resin sized, individual, stainless steel fibers coated with a resin sizing soluble in and wettable by said molding resin.
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17. An injection molding composition comprising in combination, an admixture of:
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approximatley 62 percent by weight of polyetherketone thermoplastic molding resin; approximately 30 percent by weight of glass fibers; and approximately 8 percent by weight of individual, stainles steel fibers sized with resin soluble in and wettable by said molding resin. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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18. A resin composition for forming an injection moldable, electrically conductive, aluminum glavanic-compatible composite comprising:
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approximately 50 to 84 percent by weight of PEEK matrix resin; approximately 10 to 40 percent by weight of glass reinforcement fibers dispersed therein; and approximately 6 to 10 percent by weight of sized, individual metal fibers dispered in said resin in an amount providing electrical conductivity, said sizing being soluble in and wettable by said matrix resin.
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Specification