Process for the preparation of polyphenol derivatives and dermat

Details Process for the preparation of polyphenol derivatives and dermat Process for the preparation of polyphenol derivatives and dermat

1985-03-04

1987-03-03

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

525464, 525474, 525479, 528 15, 528 29, 528 31, C08G 7704

Patent

active

046476423

ABSTRACT:
The present invention relates to a process for the preparation of polyphenol derivatives, new derivatives obtained by this process and their use in the preparation of polymers and copolymers.
This process consists of reacting a polyphenol with 1-allyloxy-2,3-epoxypropane of formula: ##STR1## in the presence of a catalyst constituted by a tertiary amine or an alkali hydroxide to obtain a polyphenol derivative having two reactive functions, i.e. allyl and hydroxyl at each end.
Preferably, the phenols used are bisphenol A, bisphenol A derivatives, such as polysulphones or polycarbonates and phenol-formaldehyde resins.
The derivatives obtained in this way having two reactive functions of different types at each end of their chain (hydroxyl and allyl) can participate in polymerization, copolymerization and/or crosslinking reactions.

REFERENCES:
patent: 4042566 (1977-08-01), Murphy
patent: 4166078 (1979-08-01), Getson

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