Oxazolidine, oxazolidine-containing condensation and addition po

Details Oxazolidine, oxazolidine-containing condensation and addition po Oxazolidine, oxazolidine-containing condensation and addition po

1975-01-10

1977-01-11

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 336R, 260 75N, 260 336UA, C07D26302

Patent

active

040026370

ABSTRACT:
The present invention is concerned with novel oxazolidines, polyoxazolidines, and particularly polymers of both condensation and addition type containing 1,3-oxazolidine groups linked to the polymer through an aliphatic ester linkage. They are the products of reaction between (1) 3-glycidyl-1,3-oxazolidines which may be substituted in the 2-position with an alkyl or aralkyl group and (2) a monocarboxylic acid, a polycarboxylic acid, or a polymer (of addition or condensation type) containing at least one carboxyl group. The polymeric products have improved adhesion when employed as adhesive or coating materials. The oxazolidine in such polymeric substances improves the usefulness of the polymers in regard to adhesiveness or cohesiveness when such polymers are used as coating compositions, adhesive compositions and for the molding of plastic articles. The non-polymeric products serve as intermediates which can be used as reactive components to react with carboxyl groups of addition or condensation polymers to introduce oxazolidine groups into such polymers to modify their adhesiveness. This application also covers methods of producing the new oxazolidine products and moisture-curable mixtures of a polyisocyanate and a reaction product of (1) and (2) above.

REFERENCES:
gaylord, "Polyethers," Interscience, pp. 200-205, (1963).

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