Thermosetting organosiloxane composition

Details Thermosetting organosiloxane composition Thermosetting organosiloxane composition

1989-06-28

1991-05-21

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525106, 525477, 525478, 528 15, C08F 800

Patent

active

050176544

ABSTRACT:
The combination of a microencapsulated hydrosilylation catalyst selected from the group consisting of metals from the platinum group of the periodic table and compounds of these metals and a known inhibitor for this type of catalyst impart excellent storage stability to organosiloxane compositions that cure by a hydrosilation reaction while enabling these compositions to rapidly cure at temperatures above the softening temperature of the thermoplastic resin used to encapsulate the hydrosilylation catalyst. The curing rate of the composition is faster relative to compositions containing the microencapsulated catalyst without the catalyst inhibitor.

REFERENCES:
patent: 4465818 (1984-08-01), Shirahata et al.
patent: 4481341 (1984-11-01), Schlak et al.
patent: 4594134 (1986-06-01), Hanada et al.
patent: 4766176 (1988-08-01), Lee et al.
patent: 4784879 (1988-11-01), Lee et al.
patent: 4874667 (1989-10-01), Lee et al.

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