Novel polyacetal terpolymers of trioxane and alpha, alpha- and a

Details Novel polyacetal terpolymers of trioxane and alpha, alpha- and a Novel polyacetal terpolymers of trioxane and alpha, alpha- and a

1989-05-12

1990-12-04

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From aldehyde or derivative thereof as reactant

528241, 528245, 5282455, 528247, 528249, 528250, 528392, 525 64, 525 66, 525154, 525370, 525398, C08G 210

Patent

active

049755196

ABSTRACT:
Cationic polymerization of trioxane and a mixture of ester derivatives of .alpha.,.alpha.- and .alpha.,.beta.-isomers of glycerol formal yields acetal terpolymers having pendant functional groups (i.e., ester groups, or hydroxyl groups obtained by hydrolyzing ester groups, pendent from the polymer's backbone). The glycerol formal monomers employed in this invention may include functional groups selected from ester moieties which are protected from, and thus survive, the polymerization process with trioxane. These groups may then be present as functional reactive sites for the subsequent synthesis of block polymers and/or to chemically bind modifiers to the acetal terpolymer backbone, for example.

REFERENCES:
patent: 3027352 (1962-03-01), Walling et al.
patent: 4713414 (1987-12-01), Kusumgar
patent: 4792579 (1988-12-01), Satoh et al.

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