Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-04-24
1991-01-22
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525432, 528125, 528171, 528173, 528183, 528189, 528350, 528352, 528353, C08L 7908
Patent
active
049871978
ABSTRACT:
This invention relates to molding resin compositions, and more particularly relates to polyimide resin compositions having markedly improved molding ability in addition to excellent high temperature stability, chemical resistance and mechanical strength.
The polyimide resin compositions of this invention comprises 99.9 to 50.0% by weight of the polyimide and 0.1 to 50.0% by weight of aromatic polyamideimide. The polyimide consists essentially of recurring units of the following formula: ##STR1## wherein X is ##STR2## and R is, for example, ##STR3##
REFERENCES:
patent: 4214071 (1980-07-01), Alvino et al.
patent: 4861855 (1989-08-01), Bockrath et al.
Iiyama Katsuaki
Kawashima Saburo
Ohta Masahiro
Oikawa Hideaki
Tamai Shoji
Anderson Harold D.
Mitsui Toatsu Chemicals Inc.
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