Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1992-07-29
1995-01-03
Nakarani, D. S.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
427299, 427322, 4274072, 4274121, 428330, 428336, 428428, 428429, 428446, 428447, B32B 1706, B32B 2520
Patent
active
053785355
ABSTRACT:
Primer systems foe silicone elastomers bonded to glass or plastic substrates, particularly those elastomers used as interlayer materials in a transparent lamination of such substrates, are described. The primer system consists of a thin layer of a silica-based adhesion promoter which is applied directly to at least one surface of the substrate. An organosilane primer containing (i) silanol or functional groups that can hydrolyzed to silanol, and (ii) polymerizable alkene or silicon hydride functional groups, or preferably both, is applied over the silica-based adhesion promoter layer. Alternatively, the silicone elastomer may also contain silanol groups or functional groups that can be hydrolyzed to silanol, and polymerizable alkene or silicon hydride functional groups, thereby making a separate primer layer unnecessary. Both components must be present for the primer system to provide a more durable adhesive bond.
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Andrechak Janet A.
Jeungst Clifford D.
Moncur Marlowe V.
Nakarani D. S.
Pilkington Aerospace Inc.
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