Partial hydrolyzates containing hydrolyzable moieties from organ

Details Partial hydrolyzates containing hydrolyzable moieties from organ Partial hydrolyzates containing hydrolyzable moieties from organ

1985-04-30

1986-08-05

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

525 61, 525403, 525431, 525446, 528 10, 528 18, 528 38, 528 29, 528 43, 528 26, 528 27, C08G 7704

Patent

active

046044434

ABSTRACT:
Disclosed is an ungelled partial hydrolysis product of an organosilicon-containing material, a method for preparing the partial hydrolysis product, and a composition such as a coating composition containing the partial hydrolysis product. The organosilicon-containing material for preparation of the ungelled partial hydrolysis product has an average functionality based on easily hydrolyzable Y groups attached to silicon atoms of greater than or equal to 2.4. The organosilicon-containing material for preparation of the ungelled partial hydrolysis product contains greater than or equal to 10 mole percent of at least one organosilane compound corresponding to the formula, R--Si--Y.sub.3. In the aforesaid formula, R represents hydrogen or a C.sub.1 -C.sub.10 group joined to Si through an Si--C linkage. Each Y in the aforesaid formula represents an easily hydrolyzable group. The partial hydrolysis product is prepared by hydrolyzing a portion of the easily hydrolyzable groups of the organosilane compound with a controlled amount of water. The amount of water employed in the controlled hydrolysis is determined according to the following formula,

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