ABS moulding compounds with novel morphology

Details ABS moulding compounds with novel morphology ABS moulding compounds with novel morphology

1995-11-13

1997-10-07

Warzel, Mark 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 66, 525 67, 525 69, 525 73, 525 83, 525 84, 525 86, 525316, C08L 5502, C08L 5104

Patent

active

056749392

ABSTRACT:
Moulding compounds the ABS type consisting of at least one resin matrix and a particulate graft-rubber polymer distributed therein and produced by emulsion polymerisation, wherein at least 70% of the graft-rubber particles (number) exhibit a structure of the rubber phase which can be detected by photographs taken with the aid of a transmission electron microscope and in which the individual particles contain irregular cellular inclusions of resin-forming polymer and the surface of the particles exhibits an irregularly jagged structure such that, for each particle illustrated, 5 to 30 of such jagged projections are present which differ from an idealised round particle (with a diameter d) by virtue of a diameter d+d/x with x=3 to 15, as well as a process for the manufacture of said moulding compounds.

REFERENCES:
patent: 4292233 (1981-09-01), Binsack et al.
patent: 5286792 (1994-02-01), Wu et al.
patent: 5428106 (1995-06-01), Schrader et al.
English Abstract of DE 2038738-A (Orbit File WPAT).

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