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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >The improvement of thermal stability and adhesion of silicone rubber composites modified by phenolic epoxy resin
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The improvement of thermal stability and adhesion of silicone rubber composites modified by phenolic epoxy resin

机译：酚醛环氧树脂改性硅橡胶复合材料的热稳定性和粘附性的提高

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摘要

The phenolic epoxy resin (F51) was siliconized by KH550 and the product was named as FKS. A hydroxyl-terminated polydimethylsiloxane (HTPDMS) which was modified with FKS was prepared. The siliconization reaction ensured a segment of siloxane on the side chain of F51. FT-IR and H-1-NMR were employed to confirm the chemical structure of FKS. Morphology observations revealed that the enhancement of mechanical properties of the silicone rubber systems can be attributed to good compatibility between FKS and silicone rubber matrix. Thermogravimetric analysis showed that the residual yield at 800 degrees C of silicone rubber composites increased significantly when compared with that of neat HTPDMS. The mechanical properties demonstrated that tensile strength and elongation at break of silicone rubber system increased distinctly after modification, especially when 30 phr siliconized F51 were added to the silicone rubber. Shear strength was improved gradually with the addition of FKS. These above observations emphasize the vital effect of FKS on the behavior of modified HTPDMS.
机译：通过KH550硅化酚醛树脂（F51），产物被命名为FKS。制备用FKS改性的羟基封端的聚二甲基硅氧烷（HTPDMS）。硅化反应确保了F51的侧链上的硅氧烷片段。使用FT-IR和H-1-NMR确认FKS的化学结构。形态学观察显示，硅橡胶系统的力学性能的增强可归因于FKS和硅橡胶基质之间的良好相容性。热重分析显示，与整齐HTPDMS相比，硅橡胶复合材料的800摄氏度下的残余产率显着增加。机械性能证明了修饰后显着的硅橡胶系统断裂的拉伸强度和伸长率，特别是当向硅橡胶中加入30phr硅化的F51时，特别是当加入30phr硅化的F51时。添加FKS逐渐改善剪切强度。上述观察结果强调FKS对修饰HTPDMS行为的重要作用。

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  • 作者

    Yan Liwei; Zhang Bin; Wang Yuan; Zhou Cheng; Li Rui; Luo Wei; Chen Yang; Zou Huawei; Liang Mei;

  • 作者单位

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

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  • 正文语种 eng
  • 中图分类 高分子化学（高聚物）;
  • 关键词

    Polydimethylsiloxane; phenolic epoxy; mechanical properties; thermal properties; adhesive properties;

    机译：聚二甲基硅氧烷;酚醛氧化物;机械性能;热性能;粘合性能;

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