Precured silicone emulsion

Details Precured silicone emulsion Precured silicone emulsion

1990-01-17

1990-10-09

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...

525478, 528 18, 528 19, 528 21, 524588, C08L 8300

Patent

active

049621530

ABSTRACT:
An aqueous silicone emulsion which dries to an elastomer comprises the product produced by homogenizing a mixture of a hydroxyl endblocked polydiorganosiloxane free of aliphatic unsaturation, silicon hydride crosslinker, surfactant and water, then emulsion polymerizing by addition of anionic polymerization catalyst to give a polymer, then, after neutralization, crosslinking the polymer by the addition of a silanol-silicon hydride condensation catalyst containing tin, zinc or Hydroxylamine.

REFERENCES:
patent: 3294725 (1966-12-01), Findlay et al.
patent: 3355406 (1967-11-01), Cekada
patent: 4190688 (1980-02-01), Traver et al.
patent: 4221688 (1980-09-01), Johnson et al.
patent: 4248751 (1981-02-01), Willing
patent: 4273634 (1981-06-01), Saam et al.
patent: 4568718 (1986-02-01), Huebnet et al.
patent: 4584341 (1986-04-01), Huebner et al.

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