Resinous copolymeric siloxanes containing alkenyldimethylsiloxan

Details Resinous copolymeric siloxanes containing alkenyldimethylsiloxan Resinous copolymeric siloxanes containing alkenyldimethylsiloxan

1985-10-03

1986-09-09

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

522 99, 556459, 556465, 556453, 556456, 556450, C08G 7720

Patent

active

046110429

ABSTRACT:
A xylene-soluble, resinous copolymer containing SiO.sub.2 units, trimethylsiloxane units, and alkenyldimethylsiloxane units such as 5-hexenyldimethylsiloxane units is disclosed. The resinous copolymer is useful as a component in silicone coatings, especially silicone release coatings, to provide intermediate range release forces against adhesives. The higher alkenyl functionality provides faster reaction with other coating components and reduced odor during cure of UV curable mercaptosilicone compositions.

REFERENCES:
patent: 3527659 (1970-09-01), Keil
patent: 3873499 (1975-03-01), Michael
patent: 4052529 (1977-10-01), Bokerman et al.
patent: 4064027 (1977-12-01), Gant
patent: 4107390 (1978-08-01), Gordon et al.
patent: 4123604 (1978-10-01), Sandford
patent: 4535141 (1985-08-01), Kroupa
patent: 4555529 (1985-11-01), Lee et al.

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