Copolymerization of bisoxazoline and polyphenolic compound with

Details Copolymerization of bisoxazoline and polyphenolic compound with Copolymerization of bisoxazoline and polyphenolic compound with

1988-04-18

1989-06-27

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525504, 528129, 528137, 528153, 528154, 528163, 528172, C08G 6900, C08G 1404

Patent

active

048431435

ABSTRACT:
An improved process for increasing the rate of the copolymerization of mixtures of polyphenolic compounds having more than two phenolic hydroxyl groups per molecule and bis-oxazolines comprising carrying out the copolymerization in the presence of a catalytic amount of a halohydrocarbon at a temperature in the range of from about 130.degree. C. to 150.degree. C. is described.

REFERENCES:
patent: 4430491 (1984-02-01), Culbertson et al.
patent: 4600766 (1986-07-01), Arita et al.
patent: 4613662 (1986-09-01), Goel

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