Plastic-coated concrete form panel

Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...

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428335, 428336, 428413, 428414, 4284233, 4284237, 4284244, 4284251, 4284253, 428528, B32B 2108, B32B 2740

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active

054646804

ABSTRACT:
Plastic-coated plywood, useful as a concrete form panel, having a topcoat of catalyzed moisture-cured isocyanate-terminated urethane prepolymer with a smooth surface having high gloss, durably adhered to the plywood by an alkali-resistant seal-prime coat.

REFERENCES:
patent: 3240618 (1966-03-01), Hemming
patent: 3427178 (1969-02-01), Zakim
patent: 3468690 (1969-09-01), Hemming
patent: 3650795 (1972-03-01), Willingham
patent: 3666593 (1972-05-01), Lee
patent: 3703394 (1972-11-01), Hemming et al.
patent: 4677029 (1987-06-01), Frisch
Weyerhauser Co. product literature PW-188, 8-72; PW-143, 2-75; PW-174, 2-69; PW-173, 1-69; PW-172, 1-69; PW-1012, 6-71; and PW-1070, 5-74.
Thomas J. Reading, Concrete International, Jul. 1985, pp. 15-22.
Reichhold Chemicals, Inc., Product Bulletin TD-84049.
Chemical Abstract, vol. 81, No. 6, 11 Aug. 1975, Columbus, Ohio, US; abstract no. 44837W, Masumoto et al; `Coating Using Polyurethane Resin Paint` p. 80, column 2.
Chemical Abstracts, 83 (1975) 44837W.

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