Reinforced polymer compositions having improved distinctness of

Details Reinforced polymer compositions having improved distinctness of Reinforced polymer compositions having improved distinctness of

1990-05-23

1991-07-30

Page, Thurman

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523216, 524449, 524451, 524456, 524790, 524875, C08K 710, C08K 906, C08K 1304, C08L 7502, C08L 7508

Patent

active

050361180

ABSTRACT:
Molded polyurethanes and/or polyureas are filled with a mica filler having a thickness of less than about 1.5 micrometer and an aspect ratio of greater than about 40. The surfaces of these compositions exhibit a distinctness of image when painted that is within about 10 DOI units of the distinctness of image of similarly painted steel. The compositions also exhibit improved physical properties.

REFERENCES:
patent: 2614055 (1952-10-01), De Senarclens
patent: 4269945 (1981-05-01), Vanderhider et al.
patent: 4560715 (1988-12-01), Uueda et al.
patent: 4806586 (1989-02-01), Narcai
"Mica as a Reinforcement for Polyurethan RIM", Plastics Compounding, vol. 9, No. 3, May/Jun. 1986, pp. 16-21.
Chem Abstracts 100(24): 19335m.
Chem Abstracts 107(6): 41480c.
Chem Abstracts 105(10);8003k.

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