Citation: Li Yan, Jian Ping Liu, Nan Zheng, Yu Bin Zheng. Copolymerization of (10-oxo-10-hydro-9-oxa-10λ⁵-phosphaphenanthrene-10-yl)-methyl acrylate with styrene[J]. Chinese Chemical Letters, ;2009, 20(7): 881-884. doi: 10.1016/j.cclet.2009.01.036 shu

Copolymerization of (10-oxo-10-hydro-9-oxa-10λ⁵-phosphaphenanthrene-10-yl)-methyl acrylate with styrene

Li Yan ^a, ,
Jian Ping Liu ^a,b ,
Nan Zheng ^a ,
Yu Bin Zheng ^a

a Department of Polymer Material, Dalian University of Technology, Dalian 116012, China;
b College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, China

Received Date: 18 November 2008

A phosphorus-containing monomer (10-oxo-10-hydro-9-oxa-10λ⁵-phospha-phenanthrene-10-yl)-methyl acrylate (M₁) was copolymerized with styrene to give a potential flame retardant copolymer of high thermal stability. The structures of monomer and copolymer were characterized by FT-IR and ¹H NMR measurements. The reactivity ratios for free-radical of the monomer (M₁) and styrene (M₂) were studied. The calculated results are as follows:r₁=0.225, r₂=0.503; Q₁=0.413, e₁=0.476; azeotropic point=0.37. TGA and DTG curves indicated that M₁ is a potential flame retarding monomer for styrenic polymers.
- Flame retardant,
- Copolymerization,
- Phosphorus-containing monomer,
- Styrene
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