Production of non-stick coatings

Details Production of non-stick coatings Production of non-stick coatings

1978-10-06

1981-02-17

Lusignan, Michael R.

Stock material or miscellaneous articles

Composite

Of silicon containing

260185, 427387, 427391, 428452, 528 18, 528 31, 528 33, B32B 904

Patent

active

042515963

ABSTRACT:
In the production of non-adherent coated paper substrate by applying to the substrate a solvent-containing mixture comprising (A) 100 parts by weight of an .alpha.,.omega.-dihydroxypolydimethylsiloxane having a viscosity between 10.sup.5 and 5. 10.sup.7 cP at 20.degree. C., (B) about 1 to 20 parts by weight of a polyorganosiloxane which is terminally blocked with trimethylsiloxy groups, contains Si-bonded hydrogen and has about 10 to 40 CH.sub.3 Si(H)O units, and (C) about 1 to 20 parts by weight of a heavy metal carboxylate or dialkyl-tin carboxylate, and then heating the substrate to harden the coating, the improvement which comprises including in the mixture applied to the substrate (D) about 0.5 to 10 parts by weight of disilamorpholinesiloxane which is obtained by reacting a chloromethylpolymethylsiloxane of the formula

REFERENCES:
patent: 3467686 (1969-09-01), Creamer
patent: 3628996 (1971-12-01), Weber
patent: 3849359 (1974-11-01), Nitzsche et al.
patent: 3936578 (1976-02-01), Dumoulin et al.
patent: 4016163 (1977-04-01), Kanner et al.
patent: 4059581 (1977-11-01), Prokai

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