Stock material or miscellaneous articles – Composite – Of polyester
Patent
1978-07-31
1980-06-10
Ives, P. C.
Stock material or miscellaneous articles
Composite
Of polyester
428514, 428528, 428529, 428530, 428531, 427335, 427358, 427371, 427391, 427411, B32B 2706, B32B 2108, B32B 2308
Patent
active
042073790
ABSTRACT:
This invention relates to an improvement in a substrate web coated with a thermosetting coating resin and optionally impregnated with an aminoplast resin, in particular a web of paper, for the surface finishing of woodwork panels or laminates, the improvement that the coating resin is a modified polyester resin, composed of (a) 60 to 95% by weight of a hardenable polyester resin, (b) 1 to 15% by weight of a cross-linking agent for the polyester resin, (c) 5 to 40% by weight of a thermoplastic containing predominantly linear, high-molecular weight, reactive groups, (d) 1 to 15% by weight of a monomer with at least one polymerizable double bond and at least one group which reacts with the reactive group of the thermoplastic, and (e) a hardening catalyst, and optionally dyes, pigments and/or fillers. The invention also relates to a process for preparing a synthetic resin coated substrate web.
REFERENCES:
patent: 3793282 (1974-02-01), Fock et al.
patent: 3853594 (1974-12-01), Moroff et al.
patent: 4061823 (1977-12-01), McCaskey, Jr. et al.
Derwent Abstract, 72256R-A, German, DT-1915026-Q.
Fock Jurgen
Schafer Werner
Schamberg Eckehard
Bryan James E.
Ives P. C.
Th. Goldschmidt Ag
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