Process for producing rubber-modified styrene resin, and resin c

Details Process for producing rubber-modified styrene resin, and resin c Process for producing rubber-modified styrene resin, and resin c

1990-05-24

1993-03-16

Carrillo, Ana L.

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

Synthetic resins

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

525 52, 525 70, 525263, 525285, 525302, 525309, 525314, 525316, 422188, 422189, C08L 5104, B01J 810

Patent

active

051944910

ABSTRACT:
The invention relates to an improved process for producing a rubber-modified styrene resin, and a rubber-modified styrene resin composition resulting therefrom, such resin having improved mechanical strength, impact resistance and high gloss, such being accomplished by producing a rubber-modified styrene resin containing substantially no rubber particle having a density of not higher than 0.96 gm/cm.sup.3 at 25.degree. C.

REFERENCES:
patent: 3676527 (1972-07-01), Babcock, Jr. et al.
patent: 3981944 (1976-09-01), Okamoto et al.
patent: 4311803 (1982-01-01), Smith et al.
patent: 4777210 (1988-10-01), Sosa et al.
patent: 4839418 (1989-06-01), Schwaben et al.

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