Radiation grafting of organopolysiloxanes

Details Radiation grafting of organopolysiloxanes Radiation grafting of organopolysiloxanes

1988-08-18

1990-08-21

Kendell, Lorraine T.

Stock material or miscellaneous articles

Composite

Of silicon containing

428412, 428420, B32B 904

Patent

active

049505467

ABSTRACT:
This invention provides for the radiation grafting of certain organopolysiloxanes to polymeric supports. The organopolysiloxane material is partially crosslinked mixture which contains from about 10% to about 90% by weight of uncrosslinked organopolysiloxane oil and has a cone penetration of about 100 to about 350 (10.sup.-1 mm) and an ultimate elongation of at least about 100%. The organopolysiloxane fluid may be placed on the polymeric support and crosslinked to produce an organopolysiloxane material having the above properties and being bonded to the polymeric support. The organopolysiloxane material also can be crosslinked to the above properties by conventional means then placed in contact with the polymeric support and irradiated to crosslink the material to the polymeric support without substantially changing the properties of the organopolysiloxane material.

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