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Synthesis and properties of UV-curable terpene based epoxy acrylate(PDF)

《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

Issue:
2017年03期
Page:
120-125
Research Field:
Publishing date:

Info

Title:
Synthesis and properties of UV-curable terpene based epoxy acrylate
Author(s):
WU XiaotianXIE HuiHUANG LiWANG Tongqing
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering,Nanjing Tech University,Nanjing 210009,China
Keywords:
terpene maleic anhydride epoxy acrylate UV-curable
PACS:
TQ630.4+3
DOI:
10.3969/j.issn.1671-7627.2017.03.021
Abstract:
UV-curable terpenyl epoxy acrylate(TEA)was prepared by combination arcylic acid(AA)and terpene based epoxy resin(TER)synthesized from terpene maleic anhydride(TMA)and epoxy chloropropane(ECH).The effects of the materials ratio,the kinds of catalysts,the reaction time and temperature,the concentration of inhibitor on the reaction and the properties of the product were discussed.Fourier transform infrared spectroscopy(FT-IR)was used to characterize the structure of the products.The mechanical properties of TEA were investigated under the different ratios of photoinitiator,such as the pencil hardness,adhesion,flexibility,and the thermogravimetric analyzer(TGA)was used to characterize the thermal stability of the film.The appropriate reaction conditions were as follows:triethyl benzyl ammonium bromide(TEBAB)as the catalyst,the material ratio of epichlorohydrin(ECH)and terpene maleic anhydride(TMA)of 10:1,the temperature of ring-opening esterification reaction of 100 ℃,reaction time of 2 h,0.5% of hydroquinone as polymerization inhibitor,and m(IR184):m(1173)=1:1 of ID(1173/IR184)as photoinitiator.The TEA prepared could meet the requirements for the use in UV curing coatings because of the better heat resisting property,3H+ pencil hardness,1 grade adhesion,and 5 mm flexibility.

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Last Update: 2017-05-31