Stock material or miscellaneous articles – Composite – Of polyester
Patent
1987-06-15
1988-10-04
Bleutge, John C.
Stock material or miscellaneous articles
Composite
Of polyester
427 541, 427317, 522 12, 522 83, 522107, 522108, 525 41, 525445, C08F28301, C08F 250, C08G 6376, B32B 2716
Patent
active
047755970
ABSTRACT:
Disclosed is a curable filler composition which resists absorption into a porous substrate, particularly one derived from wood, comprising: (1) a liquid, ungelled binder of an unsaturated polyester resin having number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated carboxylic acid or anhydride thereof, the unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) one or more ethylenically unsaturated compounds different from and cocurable with the unsaturated polyester resin, (3) pigment, (4) a free radical initiator, and (5) optionally a carrier solvent for the filler composition.
Disclosed is a method of minimizing absorption of a filler composition into a warm or hot porous substrate.
Also disclosed is a porous substrate, particularly one derived from wood, having adhered to a surface thereof the cured filler composition.
REFERENCES:
patent: 3047530 (1962-07-01), Nischk
patent: 3290417 (1966-12-01), Christenson et al.
patent: 3674748 (1972-07-01), Iliopulos
patent: 3993798 (1976-11-01), Brose
patent: 4395539 (1983-07-01), Pacifici
patent: 4425287 (1984-01-01), Hesse
patent: 4528333 (1985-07-01), Chang et al.
Abstract for JP 55089316 of Sony Corp., published Jul. 5, 1980.
Abstract for JP 48102891 of Hitachi Chemical, published Dec. 24, 1973.
Birkmeyer William J.
Saunders, Jr. John B.
Schillinger William J.
Bleutge John C.
Breininger Thomas M.
Buttner David
PPG Industries Inc.
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