Silicone emulsion composition for surface release treatment

Details Silicone emulsion composition for surface release treatment Silicone emulsion composition for surface release treatment

1993-07-13

1996-03-19

Wu, Shean C.

Compositions

Preservative agents

Anti-corrosion

524502, 524506, 524588, 524562, B01F 1754, C08L 8304, C08L 8310

Patent

active

055001483

ABSTRACT:
Proposed is an improved aqueous silicone emulsion composition for surface-release treatment comprising a vinyl-containing organopolysiloxane and an organohydrogenpolysiloxane emulsified is an aqueous medium with addition of a platinum compound as a catalyst for the hydrosilation reaction between the silicon-bonded vinyl groups and silicon-bonded hydrogen atoms. Different from conventional silicone emulsion compositions of this type having a pH value of around neutrality, the inventive silicone emulsion composition has a pH value not higher than 5 so that a quite unexpected advantage can be obtained that the stability of the emulsion composition in the curability and other properties after a long period of storage and against mechanical working can be greatly improved.

REFERENCES:
patent: 4504645 (1985-03-01), Melancon
patent: 4533575 (1985-08-01), Melancon
patent: 5036117 (1991-07-01), Chung et al.
patent: 5108782 (1992-04-01), Reed
patent: 5108791 (1992-04-01), Chung et al.
patent: 5125998 (1992-06-01), Jones et al.
patent: 5229212 (1993-07-01), Reed

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