Adhesion promoting organic silicon-grafted poly(diphenylene...

Details Adhesion promoting organic silicon-grafted poly(diphenylene... Adhesion promoting organic silicon-grafted poly(diphenylene...

C - Chemistry, Metallurgy

07

F

117/143, 402/9,

C07F 7/18 (2006.01) C08L 63/02 (2006.01)

Patent

CA 1113109

ABSTRACT OF THE DISCLOSURE Novel compounds comprising poly(diphenylene ether) backbones having hydrolyzable organosilicon groups bonded thereto are useful in improving adhesion between resinous media and inorganic oxide surfaces. These organo-silicon-grafted polyethers are characterized by the repeating units: (I) Image wherein R and R1 are each, individually, hydrogen or methyl; E is the residue obtained by removing the hydroxyl groups from a dihydric polynuclear phenol in which the hydroxyl groups are attached to different nuclei; R2 is a divalent organic radical; R3 is hydrogen or alkyl of up to 4 carbon atoms; n is an integer having a value of from 1 to 3; and X i8 a hydrolyzable group.

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