Compositions: coating or plastic – Coating or plastic compositions – Silicon containing other than solely as silicon dioxide or...
Patent
1981-07-31
1983-03-29
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Silicon containing other than solely as silicon dioxide or...
10628712, 10628713, 428411, 428429, 528 38, C07G 1700, C09K 300
Patent
active
043782507
ABSTRACT:
Coating compositions in accordance with the invention are usefully coated on substrates, such as plastic lenses, and cured. The cured coatings provide excellent abrasion resistance and good adherence and weathering properties. The coating compositions comprise an organic solvent and a mixture of at least two components derived by partial hydrolysis from precursor organosilicone compounds. The precursor compounds include a plurality of alkoxy groups, and the at least two components are partially hydrolyzed by greater than 40% of a stoichiometric amount of water required to hydrolyze the alkoxy groups. A first component of the two components is in an imine, aminal or enamine form, which extends working life of the coating compositions.
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Carr Brian J.
Treadway Gerald D.
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