Sealer for polyester and method of use to obtain laminates

Details Sealer for polyester and method of use to obtain laminates Sealer for polyester and method of use to obtain laminates

1983-11-16

1985-02-19

Griffin, Ronald W.

Stock material or miscellaneous articles

Composite

Of polyester

428482, 428483, 428414, 523400, 525 58, 525109, B32B 904

Patent

active

045006067

ABSTRACT:
A sealer for solid polyester composition to reduce evolution of vapors at temperature 190.degree. C. or higher for 1 hour or more and to improve the bond at these temperatures with isocyanate polyurethane adhesives, epoxy adhesive or acrylic adhesive, the sealer comprising a mixture of 100 to 1000 parts of phenol-formaldehyde resin, 90 to 110 parts of a polyvinyl acetal resin, 10 to 40 parts of epoxy resin, and sufficient solvent to render the mixture brushable, sprayable or flowable.

REFERENCES:
patent: Re25625 (1964-07-01), Been et al.
patent: 3335029 (1967-08-01), Holben
patent: 3350406 (1967-10-01), Meyer et al.
patent: 3725504 (1973-04-01), Owston
patent: 3812003 (1974-05-01), Larson et al.
patent: 4246319 (1981-01-01), Jacobone
patent: 4248977 (1981-02-01), Wertz
patent: 4254007 (1981-03-01), Flowers et al.
patent: 4254231 (1981-03-01), Flowers et al.
patent: 4304880 (1981-12-01), Flowers
patent: 4379916 (1983-04-01), Flowers

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