Aqueous silicone emulsions containing tin monochelate crosslinki

Details Aqueous silicone emulsions containing tin monochelate crosslinki Aqueous silicone emulsions containing tin monochelate crosslinki

1989-06-23

1990-09-04

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 56, 524317, 524339, 524732, 524773, 525100, 525474, 428447, 528 18, 528 31, C08L 500

Patent

active

049545396

ABSTRACT:
Aqueous silicone emulsions, especially useful for rendering a wide variety of substrates nonadhesive/water-repellent by polycondensation crosslinking, contain (a) an .alpha.,.omega.-dihydroxydiorganopolysiloxane, (b) an organohydropolysiloxane containing at least 3 hydrogen atoms bonded to silicon atoms per molecule, (c) a polyvinyl alcohol, (d) a nonionic emulsifying agent, and (e) a crosslinking catalytically effective amount of a monochelate of pentacoordinated tin of valency IV.

REFERENCES:
patent: 4426490 (1984-01-01), Dallavia, Jr. et al.
patent: 4624900 (1986-11-01), Fau
patent: 4873305 (1989-10-01), Cavezzan et al.

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