Blended heterocycles

Details Blended heterocycles Blended heterocycles

1991-05-06

1992-01-21

Foelak, Morton

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524494, 524495, 525434, 525435, 548156, 548220, 548328, 548431, 548435, 548476, 548547, 528170, 528289, 528298, 528322, 5283291, C08F28300, C08G 6948

Patent

active

050829050

ABSTRACT:
Linear or multidimensional, crosslinking, solvent resistant oxazole, thiazole, or imidazole (i.e., heterocycle) oligomers and blends of the crosslinking oligomers and noncrosslinking comparable polymers are described. The oligomers are prepared by reacting tetraamines, diaminodiols, or diaminothiols (i.e. four-functional compounds) with poly-carboxylic acid halides, and crosslinking phenylimide end cap monomers in a suitable solvent under an inert atmosphere.

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