Polymeric materials having controlled physical properties

Details Polymeric materials having controlled physical properties Polymeric materials having controlled physical properties

1988-02-18

1989-05-23

Bleutge, John C.

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

Synthetic resins

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

525131, 5253323, 5253324, 525356, 525388, 525454, 5253261, C08L 7500

Patent

active

048332054

ABSTRACT:
Ground polymeric elastomer or other polymeric plastic, particularly from recovered scrap, is surface modified by treatment with a gaseous mixture containing a minor amount of fluorine and a larger amount of at leasts one reactive gas in an inert gaseous carrier. By the treatment the ground material is made more compatible for admixture with polyfunctional polymer-forming liquids, thereby obtaining novel composites of controlled physical properties. The other reactive gas is preferably oxygen or one of the gases from the group consisting of: chlorine and SO.sub.2 with or without added oxygen.

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