Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1979-04-09
1981-01-13
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528362, 528401, 528422, C08G 7308
Patent
active
042450853
ABSTRACT:
New crosslinked 1,2,4-oxadiazole elastomers have been prepared by thermally condensing (a) monomer having the formula H.sub.2 N(HON)C-R-Q, wherein Q is a triazine ring-forming group such as nitrile or amidine, or (b) a mixture of said monomer with R[C(NOH)NH.sub.2 ].sub.2, with R in these formulas standing for a bivalent organic radical having the formula
REFERENCES:
Encyclopedia of Polymer Science and Technology, vol. 11 (1969), pp. 184-187.
Frosch Robert A. Administrator of the National Aeronautics and Space
Kwong Hanoi
Rosser Robert W.
Shalhoub Ibrahim M.
Anderson Harold D.
Brekke Darrell G.
Manning John R.
McMillan Armand
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