Study on solution polymerization of EPDM-g-MS by grafting method |
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DOI: |
Key Words: EPDM;methyl methacrylate;styrene;solution polymerization;grafting |
Author Name | Affiliation | FU Jin-feng | South China University of Technology | WANG Lian-shi | South China University of Technology | ZHANG An-qiang | South China University of Technology |
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Abstract: |
The graft copolymer of EPDM-methyl methacrylate(MMA)-styrene(St)(EPDM-g-MS) was prepared by grafting method in solution.The results showed that when reaction temperature was 80 ℃ and reaction time was 20 h,the optimized preparation condition of EPDM-g-MS was as follows:mass ratio of BPO in reactant(EPDM and MMA-St comonomer) 1%;mass fraction of reactant 0.2;the volume fraction of toluene in solvent(toluene and n-heptane) 0.75;mass ratio of EPDM/MMA-St comonomer 50/50;mass ratio of MMA in MMA-St comonomer 85%.Under this condition,the monomer conversion,graft ratio and graft efficiency were 80.1%,55.1% and 69.5% respectively. |
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