Preparation of radiation-curable acrylates that are storage stab

Details Preparation of radiation-curable acrylates that are storage stab Preparation of radiation-curable acrylates that are storage stab

1995-05-31

1997-02-11

Chapman, Mark

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 25, 522 28, 522 30, 522 64, 522 65, C08F 246

Patent

active

056021917

ABSTRACT:
Radiation-curable acrylates are prepared by a process in which the hydroxy compound is reacted with acrylic acid or methacrylic acid in a first stage and, in a second stage, the reaction product of the first stage is reacted with an epoxide compound in the presence of, as a catalyst, a quaternary ammonium or phosphonium compound of the general formula ##STR1## where X.sup.- is an opposite ion and R.sup.1 to R.sup.4 independently of one another are each C.sub.1 -C.sub.18 -alkyl which may be substituted by one or two phenyl groups or are each C.sub.6 -C.sub.12 -aryl which may be substituted by one or two C.sub.1 -C.sub.6 -alkyl groups.

REFERENCES:
patent: 3432478 (1969-03-01), May
patent: 3833384 (1974-09-01), Noonan et al.
patent: 4205018 (1980-05-01), Nagasawa et al.
patent: 5096938 (1992-03-01), Beck et al.

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