Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-11-26
1992-01-21
Woo, Jay H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156103, 156104, 156280, 156286, 156312, 1563073, 264252, B32B 3124
Patent
active
050825151
ABSTRACT:
A method of forming a bilayer glazing panel by providing an optically clear prelaminate of stretched polyester film coated with a cross-linked, self-healing polyurethane layer; assembling the prelaminate with a layer of plasticized partial polyvinyl butyral with the side of the polyester film without the polyurethane layer in facing contact with a subjacent textured surface of the partial polyvinyl butyral layer; clamping the assembled layers in a perimeter anchoring system; sequentially carrying out the following steps i), ii), iii), and optionally the above clamping step within an air autoclave; i) deairing the interface between the polyester film and plasticized partial polyvinyl butyral; ii) forcing localized regions of the layers within the perimeter anchoring system against a sheet of glass; and iii) subjecting the assembly of step ii) to elevated temperature and pressure while the plastic layers remain clamped within the perimeter anchoring system to firmly bond the plastic layers and glass sheet together.
REFERENCES:
patent: 4683171 (1987-07-01), Kuga et al.
patent: 4908083 (1990-03-01), Hall
patent: 4944822 (1990-07-01), Ishikawa et al.
patent: 4999147 (1991-03-01), Kojima et al.
Cartier George E.
Piretti Carl P.
Simon Robert H. M.
Davis Robert B.
Farrington William J.
Monsanto Company
Murphy Michael J.
Woo Jay H.
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