Bis(bis-silylalkyl) dicarboxylates as adhesion promoters and com

Details Bis(bis-silylalkyl) dicarboxylates as adhesion promoters and com Bis(bis-silylalkyl) dicarboxylates as adhesion promoters and com

1995-01-26

1996-01-30

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of silicon containing

428450, 556440, 556438, 524730, 524265, 524267, 524588, 524733, 524789, 524779, 524783, 524785, 524788, B32B 904

Patent

active

054879485

ABSTRACT:
Bis(bis-silylalkyl) dicarboxylates, especially maleates and fumarates, are prepared by a three-step process including esterification of malaic or fumaric acid or a functional derivative thereof with a branched dienol such as 1,6-heptadien-4-ol to form an alkadienol ester, reaction of the olefinic groups in said ester with a chlorosilane and alcoholysis of the chlorine atoms attached to silicon. The products are useful as adhesion promoters in addition curable polyorganosiloxane compositions.

REFERENCES:
patent: 3759968 (1973-09-01), Berger et al.
patent: 3773817 (1973-11-01), Berger et al.
patent: 3808248 (1974-04-01), Berger et al.
patent: 5164461 (1992-11-01), Mitchell et al.

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