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Citation: WANG Xiang, YE Lin, ZHANG Ai-Ying, FENG Zeng-Guo. Preparation of Radiopaque Iodine-containing Polymethacrylate Biomaterials[J]. Chinese Journal of Applied Chemistry, ;2010, 27(4): 413-417. doi: 10.3724/SP.J.1095.2010.90318 shu

Preparation of Radiopaque Iodine-containing Polymethacrylate Biomaterials

School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081

Received Date: 28 April 2009
Revised Date: 5 July 2009

A series of radiopaque copolymers were synthesized via the free radical polymerization of 2-(2'-iodobenzoyl)ethyl methacrylate(2-IEMA) with butyl methacrylate(BMA).The compositions of 2-IEMA and BMA in the copolymers calculated by means of ¹H NMR spectra were found to be in agreement with their feed molar ratios.The GPC analyses present that the M_n is decreased with the increase of 2-IEMA content.The DSC results imply that the T_g of the copolymers is between 22.3~28.0℃ which is in agreement with the result calculated by means of FOX equation,and the T_g of copolymers is increased with the increase of 2-IEMA content.The TGA measurements reveal that the thermal stability of the C-I bond endows the copolymers high thermal decomposition temperature.The mechanical testing shows that the tensile strength of the resulting copolymers is increased with the increase of BMA content with the maximum tensile strength reaching 7.46 MPa.These copolymers show the radiopacity as evidenced by X-ray fluoroscopy and their radiopacity is increased with the increase of 2-IEMA content.
- radiopaque polymer,
- free radical polymerization,
- butyl methacrylate
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Preparation of Radiopaque Iodine-containing Polymethacrylate Biomaterials

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com