Photocurable compositions
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United States of America Patent
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Apr 23, 1985
Issued Date -
N/A
app pub date -
Nov 5, 1982
filing date -
Jan 28, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided are processes for preparing compositions useful in photopolymerizable compositions, which processes comprise: A. reacting a polyether diol and an acrylic acid in about equal molar proportions; and B. 1. reacting a polyether diol and an acrylic acid in about equal molar proportions and 2. reacting the product of step B1, a hydroxyalkylacrylate and an organic diisocyanate in about equal molar proportions. Also provided are the products of these processes. These products are useful in photopolymerizable compositions which may typically contain, in addition to said products, N-vinyl-2-pyrrolidone and a photoinitiator.
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