Continuous production method of polyorganosiloxane particles

Details Continuous production method of polyorganosiloxane particles Continuous production method of polyorganosiloxane particles

1996-09-26

1998-08-04

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 10, 528 12, 528 13, 528 14, 524837, C08G 7708

Patent

active

057895171

ABSTRACT:
A continuous production method of polyorganosiloxane particles by press-introducing an organoalkoxysilane into an aqueous phase such as water through a porous membrane to form a monodisperse O/W type emulsion and adding a catalyst to the emulsion to condensation polymerize the organoalkoxysilane. Non-porous polyorganosiloxane particles having a uniform particle size can be stably and continuously produced with a high efficiency.

REFERENCES:
patent: 5013788 (1991-05-01), Nagashima et al.
patent: 5296569 (1994-03-01), Noda et al.
Database WPI, Derwent Publications Ltd., AN 93-049211.

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