Polymeric materials having controlled physical properties...

C - Chemistry – Metallurgy – 08 – J

Patent

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402/5, 403/6

C08J 11/00 (2006.01) C08C 19/14 (2006.01) C08F 8/22 (2006.01) C08G 18/06 (2006.01) C08G 18/69 (2006.01) C08G 85/00 (2006.01) C08J 9/00 (2006.01) C08J 11/04 (2006.01)

Patent

CA 1279947

ABSTRACT OF THE DISCLOSURE 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 least 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 SO2 with or without added oxygen.

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