Fiber-reinforced polymer composition

Details Fiber-reinforced polymer composition Fiber-reinforced polymer composition

1991-02-07

1992-04-21

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524153, 524285, 524289, 524291, 524304, 524305, C08K 5526, C08K 513, C08K 536

Patent

active

051068931

ABSTRACT:
A fiber-reinforced polymer composition containing resin components including (a) 30-90 weight % of a polyamide resin, and (b) 10-70 weight % of polyolefin+unsaturated carboxylic acid-modified polyolefin, based on the resin components; and, per 100 parts by weight of the total components, (c) 5-50 parts by weight of glass fibers, and (d) additives including the following set of additives: 0.1-1 parts by weight of N,N'-hexamethylene-bis (3,5-di-tert-butyl-4-hydroxy-hydrocinnamide); 0.1-1 parts by weight of triethylene glycol-bis [3-(3-tert-butyl-5-methyl-4-hydroxyphenyl) propionate]; and 0.1-1 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]. An alternative set of additives are 0.1-2 parts by weight of N,N'-bis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionyl] hydrazine; 0.05-0.5 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]; 0.05-0.5 parts by weight of distearyl-pentaerythritol diphosphite; and 0.15-1 parts by weight of distearyl-3,3'-thiodipropionate.

REFERENCES:
patent: 4383064 (1983-05-01), Iida
patent: 4385143 (1983-05-01), Yachigo et al.
patent: 4404312 (1983-09-01), Kokubu et al.
patent: 4540727 (1985-09-01), Vogdes

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