Thermoformed article having low gloss and a composition for its

Details Thermoformed article having low gloss and a composition for its Thermoformed article having low gloss and a composition for its

1998-03-13

2000-03-14

Short, Patricia A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08L 7508

Patent

active

060374098

ABSTRACT:
A thermoplastic composition comprising a resinous blend of a polyether-polyol based thermoplastic polyurethane having a Shore A hardness no greater than 90, and a grafted polybutadiene rubber is disclosed. In the inventive composition, the relative amount in the blend of polyurethane predominates the amount of grafted polybutadiene rubber. The composition is especially suitable for the preparation, by thermoforming, of articles having low gloss which are additionally characterized by their "soft-touch". Also disclosed is a method for reducing the 60 degree gloss of a thermoformed article prepared from a thermoplastic composition containing a blend of thermoplastic polyurethane and grafted polybutadiene rubber.

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patent: 5260375 (1993-11-01), Lausberg
patent: 5491194 (1996-02-01), Henton et al.

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