Preparation and Properties of UV-Curable Adhesives Based on Epoxy Acrylate Prepolymers

Yi Chi Chen; Tao He; Wei Yang; Li Qun Zhu; Wei Ping Li; Hui Cong Liu

doi:10.4028/www.scientific.net/AMR.418-420.1444

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 418-420Preparation and Properties of UV-Curable Adhesives...

Preparation and Properties of UV-Curable Adhesives Based on Epoxy Acrylate Prepolymers

Abstract:

Three kinds of commercially available epoxy acrylate reactive prepolymers with different molecular weight (MW) were used to formulate the UV-curable adhesives by addition of photo-initiator, reactive diluent, crosslinker and other additives as necessary. The MW of the said prepolymers were measured by gel permeation chromatography (GPC), while the structural characterization of the prepolymers before and after UV-curing was made by FTIR. Thermal stability of two kinds of UV-cured prepolymers with distinct MW and MW distribution was detected by thermogravimetric (TG) analysis.Lap shear strength of the adherents at different temperature were tested and compared with a known superior UV-curable adhesive (Loctite 3493). Adhesion strength of the adhesives at room temperature were all higher than 15 MPa which were more than the reported riveting intensity (10.3 MPa).

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Materials Processing Technology, ICAMMP2011

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Periodical:

Advanced Materials Research (Volumes 418-420)

Pages:

1444-1447

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.418-420.1444

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Online since:

December 2011

Authors:

Yi Chi Chen, Tao He, Wei Yang, Li Qun Zhu, Wei Ping Li, Hui Cong Liu

Keywords:

Epoxy Acrylate Prepolymer, Lap Shear Adhesion Strength, Photosensitive Adhesive, UV-Curing

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