Hydrosilation in esters without hydroxyl moieties

Details Hydrosilation in esters without hydroxyl moieties Hydrosilation in esters without hydroxyl moieties

1995-11-15

1997-07-15

Foelak, Morton

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

Synthetic resins

From silicon reactant having at least one...

528 25, C08G 7706

Patent

active

056484445

ABSTRACT:
The present invention encompasses manufacturing polysiloxane polyether copolymers using esters without any hydroxyl groups thereon, organohydrogen silanes and unsaturated polyoxyalkylene polyethers. Said esters are of low volatility and high boiling point and have at least eight carbons. The process yields clear copolymer solutions and do not need to have the ester solvent stripped. Also taught are novel compositions incorporating the ester solvent to make the copolymer and the copolymer and the ester solvent.

REFERENCES:
patent: 5153293 (1992-10-01), Hales et al.

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