Transparent toughened thermoplastics

Details Transparent toughened thermoplastics Transparent toughened thermoplastics

1989-07-21

1992-01-07

Marquis, Melvyn I.

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

Synthetic resins

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

525 95, 525 90, 525 99, C08L 5300, C08L 4700, C08L 900

Patent

active

050792962

ABSTRACT:
Tough transparent thermoplastics blends may be prepared by blending 10 to 99 weight percent of a block copolymer; 0.1 to 1 weight percent of particulate rubber having a particle size from 0.1 to 10 microns; and the balance a clear glassy polymer. These clear polymers are useful in a number of applications, particularly for those applications requiring quite high toughness and transparency such as packaging, containers or protective covering.

REFERENCES:
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patent: 4145376 (1979-03-01), Bracke et al.
patent: 4154776 (1979-05-01), Bracke et al.
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patent: 4294937 (1981-10-01), Whitehead
patent: 4423190 (1983-12-01), Fukawa
patent: 4425459 (1984-01-01), Fletcher
patent: 4467066 (1984-08-01), Fletcher
Chemical Abstracts vol. 97, 1982, p. 38, No. 97:7267d H. Gausepohl et al, "Thermoplastic Molding Composition".

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