Organosilicon compositions which impart non-stick properties to

Details Organosilicon compositions which impart non-stick properties to Organosilicon compositions which impart non-stick properties to

1975-06-06

1977-04-19

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 312R, 260 328SB, 260 336SB, 260 338SB, 428447, C08K 500, C08K 501, C08K 507, C08K 510

Patent

active

040187349

ABSTRACT:
Organosilicon compositions which impart good and immediate non-stick properties to cellulosic and synthetic materials are provided comprising a mixture of dimethylpolysiloxane polymer, a catalyst, an epoxy silane, a crosslinking system and organic solvent, the crosslinking system comprising 70 to 95% of at least one organosilicon compound possessing at least 3 acyloxy groups bonded to one or more silicon atoms, which is a silane of the formula RSi(OCOR").sub.3, a disilane, a disiloxane or a disilylalkane of the formula (R"COO).sub.3.sub.-d.sub.' R.sub.d.sub.' Si(X).sub.f SiR.sub.d (OCOR").sub.3.sub.-d, in which R and R" are as defined above, X represents an oxygen atom or the alkylene radical --(CH.sub.2).sub.h --, each of d and d', which may be identical or different, represents zero, 1 or 2, the sum d + d' being 2 or 3, f represents zero or 1 and h represents 2 or 4, and 2) 5 to 30% of at least one hexaalkoxymethylmelamine, the alkoxy groups each having 1 to 4 carbon atoms.

REFERENCES:
patent: 3202542 (1965-08-01), Poje
patent: 3671484 (1972-06-01), Cooper et al.
patent: 3821154 (1974-06-01), Dumoulin et al.
patent: 3926896 (1975-12-01), Dumoulin

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