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Citation: LIN Mei-Juan, WANG Wen, ZHANG Wen-Gong. Structure and Property of the Modified PMMA Doped with Rare Earth Isopropoxide[J]. Chinese Journal of Applied Chemistry, ;2003, 20(12): 1188-1191. shu

Structure and Property of the Modified PMMA Doped with Rare Earth Isopropoxide

1.
College of Chemistry and Material, Fujian Normal University, Fuzhou 350007

Corresponding author: LIN Mei-Juan,
Received Date: 25 March 2003
Available Online: 8 July 2003
Fund Project: 福建省自然科学基金资助项目(E0120002) (E0120002)

A gel was formed by mixing MMA and rare earth (Sm, Dy, Er, and Tb) isopropoxide in N₂ atmosphere. The modified PMMA materials doped with rare earth were prepared by the in-situ polymerization. The materials as characterized by FT-IR, TG, DMTA and ESEM show crosslinked structure feature without viscous flow state and no congragations were observed and most are swollen in good solvents for PMMA. The glass transition temperatures of the modified PMMA are lowered about 10℃ than that of the pure PMMA, while their decomposition temperatures are higher in 50℃ or more at the same mass loss level..
- rare earth isopropoxide,
- PMMA,
- modification
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