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EP0025239A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Acrylated urethane polycarbonates

Assignee: Union Carbide Corp
•
Filing: 1980-08-07
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Granted: —
•
Expires: 2000-08-07
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Abstract

Abstract Acrylate urethane polycarbonate compositions are formed from the reaction of a polycarbonate polyol, a polyisocyanate and a hydroxy-containing acrylate monomer. These compositions are useful as components of improved radiation-curable compositions.

Inventors

  • 👤 Stuart Lansing Watson, Jr.

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 16:08
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/44; C08G18/67; C08G18/671; C08G18/672

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 84 words
Acrylated urethane.polycarbonates having the general structural formula: wherein O is oxygen and C is carbon; X is acryloyloxy; R is alkylene of from 1 to 20 carbon atoms; Q is the residue of an organic polyisocyanate, R' is the residue of an alkylene diol or polyalkylene diol having 2 to 10 carbon atoms in the alkylene group and a molecular weight of from 28 to 230; and the sum of m and n is equal to the total reactive equivalents of the Q groups.
Claim 2
Dependent Claim 84 words
Acrylated urethane.polycarbonates having the general structural formula: wherein O is oxygen and C is carbon; X is acryloyloxy; R is alkylene of from 1 to 20 carbon atoms; Q is the residue of an organic polyisocyanate, R' is the residue of an alkylene diol or polyalkylene diol having 2 to 10 carbon atoms in the alkylene group and a molecular weight of from 28 to 230; and the sum of m and n is equal to the total reactive equivalents of the Q groups.
Claim 3
Dependent Claim 16 words
An acrylated urethane polycarbonate as claimed in claim 1 wherein said organic polyisocyanate is a diisocyanate.
Claim 4
Dependent Claim 28 words
An acrylated urethane polycarbonate as claimed in claim 1 wherein R is ethylene, Q is the residue of isophorone diisocyanate and R' is the residue of 1,4 butanediol.
Claim 5
Dependent Claim 28 words
An acrylated urethane polycarbonate as claimed in claim 1 wherein R is ethylene, Q is the residue of isophorone diisocyanate and R' is the residue of diethylene glycol.

References Cited (Backward Citations)

DE2830369A1 Cited
EP0007265A1 Cited

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