Polyester-based dimethacrylates designed for laminating...

Stock material or miscellaneous articles – Composite – Of polyester

Reexamination Certificate

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C428S413000, C428S414000, C428S480000, C428S295100, C428S297400, C428S297100, C428S300700, C428S301400, C525S048000, C525S049000, C525S438000, C525S445000, C156S327000, C156S331100

Reexamination Certificate

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06986948

ABSTRACT:
A laminate formed from a first fiber-reinforced ply joined by a laminating resin composition to a second fiber-reinforced ply. The laminating resin composition is the cured residue of a polyester resin being end-terminated with an alkyl acrylate group and diluted with less than about 35 wt-% styrene. The first fiber-reinforced ply is laminated to the second fiber-reinforced ply with the laminating resin composition by coating a surface of the first ply with an adhesive composition. The coated first ply surface is joined with a surface of the second ply and the adhesive cured. In making the laminating resin composition, unreacted alkyl acrylate can be reacted with an epoxy to push the reaction to completion.

REFERENCES:
patent: 4052280 (1977-10-01), McGinnis
patent: 5373058 (1994-12-01), Hager et al.
patent: 5412010 (1995-05-01), Cowley et al.
patent: 5747607 (1998-05-01), Hager et al.
patent: 6414085 (2002-07-01), Karas et al.
patent: 6583218 (2003-06-01), Airola et al.

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