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2013•Guangzhou Chemical IndustryRequires access

Preparation and Performance of Uv-curable Polyurethane Acrylate Adhesive

Aiqing Zhang

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Abstract

Polyurethane acrylate prepolymer was synthesized with toluene diisocynate(TDI),hydroxyethyl acrylate(HEA),and polyethylene glycol(PEG) in solvent.The system consisted of multi-components,such as prepolymer(polyurethane acrylate) accounting for 50%,photoinitiator(free radical photoinitiator) accounting for 1%~3%,reactive diluents 30%~40% and other additives 9%.The result of the Uv-curable experiment showed that the cure time of 30 s and tensile shear-strength of adhesive can reach to 14.51 MPa.

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What this paper is about

Polyurethane acrylate prepolymer was synthesized with toluene diisocynate(TDI),hydroxyethyl acrylate(HEA),and polyethylene glycol(PEG) in solvent.The system consisted of multi-components,such as prepolymer(polyurethane acrylate) accounting for 50%,photoinitiator(free radical photoinitiator) accounting for 1%~3%,reactive diluents 30%~40% and other additives 9%.The result of the Uv-curable experiment showed that the cure time of 30 s and tensile shear-strength of adhesive can reach to 14.51 MPa.

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Available abstract

Polyurethane acrylate prepolymer was synthesized with toluene diisocynate(TDI),hydroxyethyl acrylate(HEA),and polyethylene glycol(PEG) in solvent.The system consisted of multi-components,such as prepolymer(polyurethane acrylate) accounting for 50%,photoinitiator(free radical photoinitiator) accounting for 1%~3%,reactive diluents 30%~40% and other additives 9%.The result of the Uv-curable experiment showed that the cure time of 30 s and tensile shear-strength of adhesive can reach to 14.51 MPa.

Key concepts: Photoinitiator, Prepolymer, Polyurethane, Acrylate, Adhesive, Materials science, Polyethylene glycol, Polymer chemistry

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