| Synthesis of Polyacrylate／Polysiloxane Copolymer and Its Damping Performance |
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| 引用本文： | 夏宇正,石淑先,焦书科,李素青.Synthesis of Polyacrylate／Polysiloxane Copolymer and Its Damping Performance[J].过程工程学报,2003,3(6):528-534. |
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| 作者姓名： | 夏宇正 石淑先 焦书科 李素青 |
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| 作者单位： | [1]Col.Mat.Sci.＆Eng.,BeijingUniv.Chem.Technol.,Beijing100029,China [2]NationalJewelryQualityandInspectionCenter,Beifing100088,China |
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| 摘 要： | The copolymer of polyacrylate/polysiloxane for vibration damping materials was synthesized through emulsion polymerization. The effects of the amount of methyl methaerylate (MMA),polysiloxane containing vinyl, initiator and emulsifier on the conversion, stability of polyacrylate/polysiloxane emulsion were discussed when the emulsion was prepared by pre-emulsifying half continuous method. The graft copolymer has good vibration damping performance. The widest glass transition region of the copolymer spans 100℃, and the highest value of tan8 reached 2.0. The glass transition of the samples was examined by dynamic mechanical analysis (DMA). The vibration damping performance of the graft copolymer was affected by the amount of poly-vinyl dimethylsiloxane (PVMS).
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| 关 键 词： | 聚丙烯酸脂 聚硅氧烷 共聚物 合成 阻尼性能 |
| 文章编号： | 1009-606X(2003)06-0528-07 |
| 修稿时间： | 2003年3月14日 |
Synthesis of Polyacrylate/Polysiloxane Copolymer and Its Damping Performance |
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| XIA Yu-zheng.Synthesis of Polyacrylate/Polysiloxane Copolymer and Its Damping Performance[J].Chinese Journal of Process Engineering,2003,3(6):528-534. |
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| Authors: | XIA Yu-zheng |
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| Abstract: | The copolymer of polyacrylate/polysiloxane for vibration damping materials was synthesized through emulsion polymerization. The effects of the amount of methyl methacrylate (MMA),polysiloxane containing vinyl, initiator and emulsifier on the conversion, stability of polyacrylate/polysiloxane emulsion were discussed when the emulsion was prepared by pre-emulsifying half continuous method. The graft copolymer has good vibration damping performance. The widest glass transition region of the copolymer spans 100℃, and the highest value of tanδ reached 2.0. The glass transition of the samples was examined by dynamic mechanical analysis (DMA). The vibration damping performance of the graft copolymer was affected by the amount of poly-vinyl dimethylsiloxane (PVMS). |
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| Keywords: | acrylate polysiloxane emulsion polymerization vibration damping materials |
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