Process for preparing low viscosity UV curable polyacrylates

Details Process for preparing low viscosity UV curable polyacrylates Process for preparing low viscosity UV curable polyacrylates

1985-09-09

1986-12-23

Trousof, Natalie

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

Synthetic resins

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

560 90, 560199, 560221, 560224, 525DIG922, C08L 6310, C07C 6708

Patent

active

046313001

ABSTRACT:
Photocurable polyacrylate or methacrylate compounds which exhibit extremely low, neat viscosities while at the same time maintaining the high cure response of other related photocurable materials may be represented by the general formula: ##STR1## wherein R is hydrogen or methyl, R' is C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 alkyl ether alkyl and A is the residue of a diol or dicarboxylic acid, preferably, a diphenol such as Bisphenol A. The process for preparing these materials involves reacting a C.sub.1 -C.sub.8 aliphatic alcohol or C.sub.3 -C.sub.8 aliphatic ether alcohol with a diglycidyl ether or ester and esterifying the remaining hydroxyl groups with acrylic or methacrylic acid.

REFERENCES:
patent: 2890202 (1959-06-01), Parker
patent: 4025548 (1977-05-01), Huemmer et al.
patent: 4164423 (1979-08-01), Schumacher et al.
Noller, Carl R. Chemistry of Organic Compounds (1957) 2nd Ed. W. B. Saunders, Publ. 744-5.

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