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US 2026/0159636 A1Published application
Polyglycerin-based urethane (meth)acrylate
AssigneeArkema France
InventorsZahidul Mohammad AMIN, Mingxin FAN
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Abstract
The present invention relates to a urethane (meth)acrylate resulting from the reaction of: at least one polyglycerin polyol; at least one polyisocyanate; and at least one hydroxy-functional (meth)acrylate. The present invention further relates to a method for obtaining the urethane (meth)acrylate, to a curable composition comprising the urethane (meth)acrylate and to a cured product resulting from the curing of the urethane (meth)acrylate.
Claims20
A urethane (meth)acrylate, wherein said product results from the reaction of:
- at least one polyglycerin polyol;
- at least one polyisocyanate;
- and
- at least one hydroxy-functional (meth)acrylate.
1 more element
A method for obtaining a urethane (meth)acrylate comprising the successive following steps of:
- reacting a polyisocyanate with a hydroxy-functional (meth)acrylate to form an isocyanate-functional adduct;
- and
- reacting the isocyanate-functional adduct with a polyglycerin polyol to obtain the urethane (meth)acrylate.
Dependencies are inferred from the claim text.