Adhesive repellent coatings and substrates coated therewith

Details Adhesive repellent coatings and substrates coated therewith Adhesive repellent coatings and substrates coated therewith

1978-10-12

1980-06-17

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

260 312R, 260 328SB, 260 332SB, 260 338SB, 260 336SB, 427387, 428447, 525478, 528 31, 528 32, 528 33, 528 43, C08G 7706

Patent

active

042085047

ABSTRACT:
Coating compositions which impart adhesive repellent or non-adherent properties to substrates coated therewith comprising (1) vinyl endblocked diorganopolysiloxanes having an average viscosity in excess of 10.sup.6 cP at 25.degree. C. in which from 3 to 30 mole percent of the nonterminal siloxane units are diphenylsiloxane units and at least 50 mole percent of the remaining organic radicals on the siloxane units are methyl radicals, (2) organopolysiloxanes having at least 3 Si-bonded hydrogen atoms per molecule, (3) catalysts which promote the addition of Si-bonded hydrogen atoms to the vinyl groups and (4) an inert organic solvent. These coating compositions may be applied to cellulosic materials and other substrates to impart varying degrees of adhesive repellency thereto.

REFERENCES:
patent: 3814731 (1974-06-01), Nitzsche et al.
patent: 3936582 (1976-02-01), Keiser
patent: 4051454 (1977-09-01), Leiser et al.

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