C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 83/04 (2006.01) C08J 3/03 (2006.01)
Patent
CA 2174698
Physical properties of aqueous polydiorgano- siloxane dispersions such as freeze/thaw stability and physical properties of the elastomeric films derived therefrom, such as high temperature heat stability and clarity, are improved by selecting an appropriate surfactant with specific characteristics. Herein, the polydiorgano- siloxane dispersion is made through a direct emulsification process. The high temperature stability and clarity of the elastomer formed from our dispersion avoid surfactants which form siloxane redistribution catalysts at temperatures above 100C. and surfactants which do not produce a matched refractive index of the phases.
Joffre Eric Jude
Kalinowski Robert Edward
Lefler Harold Vern III
Tselepis Arthur James
Wolf Andreas Thomas Franz
Dow Corning Corporation
Gowling Lafleur Henderson Llp
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