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Citation: LU Ling, SHI Ke-Yu, YUAN Zhi, HE Bing-Lin. Synthesis, Structure and Properties of Macroporous Crosslinked Poly(2-hydroxyethyl methacrylate) Resins[J]. Chinese Journal of Applied Chemistry, ;2002, 19(9): 817-821. shu

Synthesis, Structure and Properties of Macroporous Crosslinked Poly(2-hydroxyethyl methacrylate) Resins

1.
State Key Laboratory of Functional Polymer Materials for Adsorption and Separation, Institute of Polymer Chemistry, Nankai University, Tianjin 300071

Corresponding author: LU Ling,
Received Date: 25 January 2002
Available Online: 3 April 2002
Fund Project: 国家973计划资助项目(G1999064707) (G1999064707)

Macroporous crosslingked poly(2-hydroxyethyl methacrylate)(PHEMA) beads were prepared via a suspension polymerization technique by reacting 2-hydroxyethyl methacrylate(HEMA) with ethyleneglycol dimethylacrylate(EGDMA) as crosslinking agent as well as ethyl acetate or mixture of ethyl acetate and dodecanol as porogenic agent. The effects of amount of crosslinking agent, kind, amount and composition of porogenic agent on the pore distribution, specific surface area and pore volume of PHEMA beads were investigated. It was found that the pore distribution of resin with ethyl acetate as porogenic agent was broader than that with mixed agents. The pore volume was found increased with increase in total amount of mixed porogenic agent and the amount of dodecanol, while specific surface area decreased. PHEMA resins have good swelling ability in common solvents with solubility parameters from 14.5 to 10.0.
- hydroxyethyl methacrylate,
- ethyleneglycol dimethyacrylate,
- macroporous resin,
- pore structure
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