C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/12 (2006.01) B29C 47/00 (2006.01) B32B 5/22 (2006.01) B32B 27/20 (2006.01) C08K 7/06 (2006.01) C08L 23/10 (2006.01) C08L 23/16 (2006.01)
Patent
CA 2396848
Resin moldings are taught that have relatively low coefficients of linear expansion. For example, resin moldings may primarily comprise a polypropylene resin and/or an olefin-based thermoplastic elastomer. Composite products (10) may include at least two integrated resin-molded parts (12, 14, 16, and 18) whose compositions are different from each other, and at least one resin-molded part (18) may be comprised primarily of a polypropylene resin or olefin-based thermoplastic elastomer. The resin molding or at least one resin-molded part preferably contains a fibrous filler, which preferably comprises primarily carbon fibers, at a weight percentage of between about 1 and 10% and a powder filler (e.g., talc) at a weight percentage of between about 0 and 50%. The fibrous filler and the powder filler preferably serve as expansion/contraction suppression components for the resin material.
Taki Hiroyuki
Yamasa Hiroyuki
Marks & Clerk
Tokai Kogyo Co. Ltd.
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