High-temperature expanding organo-phosphorus monomer/polymers

Details High-temperature expanding organo-phosphorus monomer/polymers High-temperature expanding organo-phosphorus monomer/polymers

1989-03-20

1990-10-23

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528398, 558117, 558155, C08G 5940, C08G 7904

Patent

active

049653350

ABSTRACT:
A method of producing organo-phophorus polymers is disclosed. The polymers will exhibit zero shrinkage and even expansion, will be useful in high voltage, high temperature electrical applications and will exhibit mechanical strength and flame retardant properties.

REFERENCES:
patent: 4082897 (1978-04-01), Hechenbleikner
patent: 4087403 (1978-05-01), Moedritzer
patent: 4254351 (1981-03-01), Smith
patent: 4316006 (1982-02-01), McEwen
patent: 4387215 (1983-06-01), Bailey
patent: 4812502 (1989-03-01), Cipriani et al.
Kobayashi, et al., "Cationic Ring-Opening Polymerization of 2-Phenyl-1,3,2-dioxaphosphepane, a Seven-Membered Cyclic Phosphonite," 19 Macromolecules 466-469 (1986).

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