Thermosetting compositions, thermal latent acid catalysts, metho

Details Thermosetting compositions, thermal latent acid catalysts, metho Thermosetting compositions, thermal latent acid catalysts, metho

1995-05-18

1996-05-28

Short, Patricia A.

Stock material or miscellaneous articles

Composite

Of epoxy ether

428415, 428418, 428480, 428483, 428520, 428522, B32B 2730, B32B 2736, B32B 2738

Patent

active

055210112

ABSTRACT:
An article coated by a method of coating which comprises coating a substrate with a top coating material comprising at least one pigment and a thermosetting composition, the at least one pigment being in an amount of 0 to 100 weight parts based on 100 weight parts of the thermosetting composition, the thermosetting composition comprising (A) a compound having in the molecule two or more functional groups of the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each selected from the group consisting of a hydrogen atom and an organic group of 1 to 18 carbon atoms, R.sup.4 is an organic group of 1 to 18 carbon atoms, Y.sup.1 is oxygen or sulfur, or R.sup.3 and R.sup.4 are bonded with each other to form a heterocyclic structure which comprises Y.sup.1 as the hetero atom; (B) a compound having in the molecule two or more reactive functional groups which can form chemical bonds with the functional groups of the compound (A) by heating, the reactive functional groups of the compound (B) are epoxy groups; and (F) a complex compound formed by coordination of a conjugated base of a Bronsted acid or a Bronsted salt to a vacant orbital of a Lewis acid in a mol ratio of the Bronsted acid or Bronsted salt to the vacant orbital of the Lewis acid of 0.1 to 4.

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