Organically-modified, radiation-curable siloxane resin and metho

Stock material or miscellaneous articles – Composite – Of polycarbonate

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428447, 428480, 428 357, 522 84, 522 85, 522172, 528 26, 528 32, 528 38, 524806, C08F 250, C08F28312, C08L 8306, C08L 8307

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058404287

ABSTRACT:
Novel radiation-curable, organically-modified siloxane resin compositions are prepared from (A) at least one multifunctional acrylate and (B) the reaction product formed from (a) an alkoxy-functional organometallic compound, (b) an alkoxy silane and (c) water. The alkoxy silane (b) includes at least one functional group that renders the alkoxy silane copolymerizable with the multifunctional acrylate (A). The alkoxy-functional organometallic compound (a) and the alkoxy silane (b) undergo co-hydrolysis and co-condensation, which is optionally carried out in the presence of a siloxane polymerization catalyst (d).

REFERENCES:
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patent: 4814017 (1989-03-01), Yoldas et al.
patent: 5260350 (1993-11-01), Wright
patent: 5470616 (1995-11-01), Uenishi et al.
"Chemistry and TEchnology of Silicones", Walter Noll, Academic Press, pp. 395-397, 1968.
"Silicon-Based Polymer Science A Comprehensive Resource" by Ziegler and Fearon, American Chemical Society, pp. 224-239. 1990.
"Hawley's Condensed Chemical Dictionary" Sax and Lewis, Van Nostrand NY p. 220, 11th Edition, 1987.

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