Modifiers for PVC foam, process for extruding modified PVC foam

Details Modifiers for PVC foam, process for extruding modified PVC foam Modifiers for PVC foam, process for extruding modified PVC foam

1974-03-22

1976-09-28

Anderson, Philip

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

260 25P, 264 455, 264 51, 264211, 264DIG5, 428409, B29D 2700

Patent

active

039832961

ABSTRACT:
A modifier system for extruding PVC foam comprising two separate core-shell polymers, the shells of which are substantially ungrafted to the cores. Also disclosed is an improved process for extruding PVC foam and improved extruded PVC foam composition and articles.

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Zimmerman, O.T. and Irvin Lavine, "Supplement III to the 1953 Edition of Handbook of Material Trade Names," Dover, N.H., Industrial Research Service, Inc. 1960, p. 2.

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