Modification of Petroleum Resins by Photo-induced Click Chemistry

doi:10.7517/j.issn.1674-0475.2016.04.380

Abstract

Abstract:

The traditional modification methods of the petroleum resins are always linked with high energy consumption and low efficiency, To overcome this drawbacks, the photo-induced click chemistry of 3-mercaptopropionic acid was utilized to modify a type of petroleum resin, DCPD, in this work. The reaction was carried out in toluene solution and at room temperature, using Darocur1173 as photoinitiator and a UV-LED lamp as light source. The resulting product is named as DCPD-COOH. In the presence of triphenyl phosphine, DCPD-COOH was allowed to react with glycidyl methacrylate (GMA)to transform to an acrylate petroleum resin, named as DCPD-A. Upon UV irradiation of a mixture of 50 portion of DCPD-A, 50 portion of a reactive diluent 2-hydroxyethyl methacrylate(HEMA), and 5 portion of Darocur1173, a UV-cured thin film with 0 level of adhesion and 2H of pencil hardness was prepared. The modified petroleum resin has good compatibility with polar solvent and resins, applicable as UV-curing coatings and inks.

Key words: DCPD petroleum resin, thiol-ene click chemistry, UV-curing, photo-induced modification

FU Hao, YANG Jianwen, LIU Xiaoxuan. Modification of Petroleum Resins by Photo-induced Click Chemistry[J]. Imaging Science and Photochemistry, 2016, 34(4): 380-387.

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