Multidimensional ester or ether oligomers with pyrimidinyl end c

Details Multidimensional ester or ether oligomers with pyrimidinyl end c Multidimensional ester or ether oligomers with pyrimidinyl end c

1992-04-14

1992-12-29

Foelak, Morton

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528172, 528288, 528289, 528290, C08G 6944

Patent

active

051752336

ABSTRACT:
High performance composites can be made from linear or multidimensional oligomer or blends that include unsaturated hydrocarbon crosslinking functionalities linked to a pyrimidine radical on the terminal ends of the polymeric backbones of the oligomers. The oligomers are made by condensing pyrimidine-based end-cap monomers of the formula: ##STR1## wherein R.sub.1 =lower alkyl, lower alkoxy, aryl, aryloxy, substituted alkyl, substituted aryl, halogen, or mixtures thereof;

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