Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1990-10-12
1992-06-30
Thibodeau, Paul J.
Stock material or miscellaneous articles
Composite
Of polyamidoester
4284256, 428429, 428447, 428448, B32B 1710, B32B 2740
Patent
active
051262088
ABSTRACT:
An optical laminate having improved resistance to delamination upon exposure to moisture consists essentially of a layer of organosiloxane composition, a primer layer, and a layer of organic elastomer. The organosiloxane composition comprises a polydiorganosiloxane gum containing at least two ethylenically unsaturated hydrocarbon radicals per molecule, an organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms per molecule, and a platinum containing hydrosilation catalyst. The primer comprises a specific mixture of organosilicone compound, silane copolymer, organohydrogensiloxane, and solvent being as least 50 percent of an ethylenically unsaturated alcohol. The organic elastomer is selected from a polyvinylbutyral or polyurethane of the types used for optical laminates.
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Dow Corning Corporation
Elliott Edward C.
Nakarani D. S.
Thibodeau Paul J.
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