Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-10-12
1996-04-09
Carrillo, Ana L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524493, 524496, 524538, 524606, 525436, C08L 7908
Patent
active
055062911
ABSTRACT:
A fatigue-resistant polyimide resin composition comprising 100 parts by weight of polyimide having from 0.5 (exclusive) to 1.0 (inclusive) mole ratio of recurring structural units represented by the formula (1) and from 0 (inclusive) to 0.5 (exclusive) mole ratio of recurring structural units represented by the formula (2): ##STR1## wherein X is ##STR2## in the formulas (1) and (2), and having an inherent viscosity of 0.45 dl/g or more; and 5.about.65 parts by weight of a carbon fiber, glass fiber, aromatic polyamide fiber and/or potassium titanate fiber, and an injection molded article having a high fatigue resistance.
REFERENCES:
patent: 4552931 (1985-11-01), St. Clair et al.
patent: 5300620 (1994-04-01), Okikawa et al.
patent: 5380805 (1995-01-01), Tamai et al.
Patent Abstracts of Japan, vol. 10, No. 339 (C-385)(2395), Nov. 15, 1986 & JP-A-61143478 (Mitsui Toatsu Chemicals, Inc.) Jul. 1, 1986 *Abstract*.
Iiyama Katsuaki
Okawa Yuichi
Sakata Yoshihiro
Tamai Shoji
Yamaguchi Akihiro
Carrillo Ana L.
Mitsui Toatsu Chemicals Inc.
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