Methods for making polydiorganosiloxane microemulsions

Details Methods for making polydiorganosiloxane microemulsions Methods for making polydiorganosiloxane microemulsions

1989-07-24

1991-03-12

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...

524238, 524714, C08L 8300

Patent

active

049993984

ABSTRACT:
A novel method for making stable aqueous microemulsions of high molecular weight polydiorganosiloxanes which comprises sequentially adding at an effective rate a standard emulsion comprised of polydiorganosiloxane precursor, surfactant, and water to a polymerization catalyst medium while mixing to form a clear, stable aqueous microemulsion of polydiorganosiloxane.

REFERENCES:
patent: 2891920 (1959-06-01), Hyde et al.
patent: 3294725 (1966-12-01), Findlay et al.
patent: 4620878 (1986-11-01), Gee
patent: 4824890 (1989-04-01), Glover et al.

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