Precured silicone emulsion

Details Precured silicone emulsion Precured silicone emulsion

1989-09-25

1990-09-04

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524588, 524837, 524869, C08L 8304

Patent

active

049545655

ABSTRACT:
A shelf stable aqueous silicone emulsion which yields an elastomer upon removal of the water is produced by combining a hydroxyl endblocked polydiorganosiloxane present as an emulsion of dispersed particles in water, a crosslinker, and a tin catalyst, the tin catalyst being in the form of a divalent tin atom combined with organic radicals. The emulsion, after crosslinking of the polydiorganosiloxane, can be reinforced with colloidal silica without affecting the shelf life of the reinforced emulsion.

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patent: 4496687 (1985-01-01), Okada et al.
patent: 4584341 (1986-04-01), Huebner et al.
patent: 4618642 (1986-10-01), Schoenherr

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