Thermosetting polymers and prepolymers and a process for making

Details Thermosetting polymers and prepolymers and a process for making Thermosetting polymers and prepolymers and a process for making

1975-02-06

1976-11-30

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 324, 260 326N, 260 332R, 260 334R, 428367, 428902, C08G 1226, C08K 506, C08K 516, C08K 520

Patent

active

039948625

ABSTRACT:
The thermosetting polymers and prepolymers of the invention are obtained by ondensing a pyridine comprising at least three methyl groups, such as trimethyl-2,4,6 pyridine, with an aromatic dialdehyde, such as trephthalic aldehyde at a temperature ranging from about 150.degree. to about 220.degree. C. They can be shaped and set by maintaining the temperature between about 200.degree. and about 300.degree. C. They are suitable for making laminates.

REFERENCES:
patent: 2809186 (1957-10-01), Smith et al.
patent: 3194790 (1965-07-01), Brown
patent: 3329677 (1967-07-01), Schumann

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