Polystyrylpyridine resins having an increased toughness, and com

Details Polystyrylpyridine resins having an increased toughness, and com Polystyrylpyridine resins having an increased toughness, and com

1984-08-23

1985-09-10

Phynes, Lucille M.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

528232, 528243, 528246, 528249, 528266, 528269, C08G 1202

Patent

active

045407703

ABSTRACT:
The present invention relates to polystyrylpyridine-type resins having increased toughness, and composite materials containing these resins.
The resin of the invention contains a polycondensation product of at least two reactive methylated substituents, the said resin having the following general formula (I): U.sub.x V.sub.y W.sub.z in which: ##STR1## U denotes the grouping ##STR2## V denotes the grouping ##STR3## W denotes the grouping in which:

REFERENCES:
patent: 4362860 (1982-12-01), Ratto et al.
patent: 4471107 (1984-09-01), Peake
patent: 4500690 (1985-02-01), Latulip

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