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Citation: ZHENG Yu-Yan, SHI Tie-Jun, HANG Guo-Pei, LIU Bing. Synthesis and Characterization of P(BA/LMA) Polymer with Core-Shell Structure[J]. Chinese Journal of Applied Chemistry, ;2008, 25(10): 1146-1150. shu

Synthesis and Characterization of P(BA/LMA) Polymer with Core-Shell Structure

1.
School of Chemical Engineering, Hefei University of Technology, Hefei 230009

Corresponding author: SHI Tie-Jun,
Received Date: 21 September 2007
Available Online: 9 December 2007
Fund Project: 国家自然科学基金(20174007)资助课题 (20174007)

An acrylate polymer,P(BA/LMA),with soft core-soft shell structure was synthesized by semi-continuous emulsion polymerization under monomer starved condition.Butyl acrylate was used as the monomer for the core and for lauryl methacrylate as the monomer for the shell.Ethylene glycol dimethacrylate was used as the crosslinking agent for the core.The result indicated that the system was stabilized at a ratio(OP-10/SDS) of 2:1 and an emulsifier concentration of 4%.The monomer had a high rate of conversion at an addition rate of 8 mL/h.The structure of P(BA/LMA) was analysed by FT-IR.Presence of the crosslinking agent at different places led to different morphologies such as spheres(without crosslinking agent),core-shell structure(with crosslinking agent in the core),cinquefoil(with cosslinking agent in the core and the shell).DSC indicated that the polymer had two T_g at -64℃ and -51℃,respectively.
- butyl acrylate,
- lauryl methacrylate,
- core-shell structure,
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