以天然绢云母矿物为原料,利用气流磨超细粉碎、乙烯基三乙氧基硅烷表面修饰处理对绢云母进行深加工,得到有机化的绢云母超细粉体,再采用溶液聚合方法制备出具有优良性能的超细绢云母/加成型液体硅橡胶复合材料.用SEM对其微观形貌进行了观察和分析,通过观察SEM可以发现经偶联剂表面修饰处理后超细绢云母在硅橡胶基体中分散均匀.当超细绢云母质量分数为8%时,复合材料的拉伸强度和邵氏硬度达到了1.25 MPa和61,分别比纯硅橡胶提高了197.62%和48.78%.TGA测试结果表明,超细绢云母可显著提高硅橡胶的热稳定性能.此外,用Kraus方程对超细绢云母与硅橡胶之间的相互作用进行了表征.
参考文献
[1] | 周宁琳.有机硅聚合物导论[M].北京:科学出版社,2000.Zhou Ninglin.Introduction of organosilicon polymer[M].Beijing:Science Press,2000. |
[2] | 张俐娜,薛奇,莫志深,金熹高.高分子物理近代研究方法[M].武汉:武汉大学出版社,2003.Zhang Lina,Xue Qi,Mo Zhishen,Jin Xigao.Physics research methods of modern polymer[M].Wuhan:Wuhan University Press,2003. |
[3] | 徐志君,范元蓉,唐颂超.加成型液体乙烯基硅橡胶的研制Ⅰ:乙烯基硅油等对物理机械性能的影响[J].合成橡胶工业,2002,25(5):286-288.Xu Zhijun,Fan Yuanrong,Tang Songchao.Synthesis of addition liquid vinylsiloxane rubber Ⅰ:Effect of vigyl silicone oil on mechanical property of silicone rubber[J].China Synthetic Rubber Industry,2003,25(5):286-288. |
[4] | Bobear.Inhibitor for platinum catalyzed silicone rubber compositions:US 4061609[P].1977-12-06. |
[5] | 刘丰,郑秋红,李小红,丁涛,张治军.可分散性纳米二氧化硅增强硅橡胶[J].复合材料学报,2006,23(6):57-63.Liu Feng,Zheng Qiuhong,Li Xiaohong,Ding Tao,Zhang Zhijun.Silicone rubber reinforced by a dispersible nano-silica[J].Acta Materiae Compositae Sinica,2006,23(6),57-63. |
[6] | 张琦,田明,吴友平,刘力,童玉清,胡伟康,张力群.纳米氢氧化镁/橡胶复合材料的分散特性及分散机理[J].复合材料学报,2003,20(4);88-95.Zhang Qi,Tian Ming,Wu Youping,Liu Li,Tong Yuqing,Hu Weikang,Zhang Liqun.Dispersion structure and mechanism of the nano-magnesium hydroxide/rubber composites[J].Acta Materiae Compositae Sinica,2003,20(4):88-95. |
[7] | 雷芸.绢云母表面改性及机理研究[D].武汉:武汉理工大学,2003.Lei Yun.Surface modification of sericite and study on mechanism[D].Wuhan:Wuhan University of Technology,2003. |
[8] | 吴季怀,魏从容,沈振,等.超细改性矿物粉体增强硅橡胶[J].合成橡胶工业,2000,23(4):253-258.Wu Jihuai,Wei Congrong,Shen Zhen,et al.Silicone rubber reinforced by modified uhrafine mineral powder[J].China Synthetic Rubber Industry,2000,23(4):263-258. |
[9] | Kornmann X,Lindberg H,Berglund L A.Synthesis of epoxyclay nanocomposites:Influence of the nature of the clay on structure[J].Polymer,2000,42(4):1303-1310. |
[10] | 王雨松,戴干策.硅烷表面处理对粉体悬浮液流变性的影响[J].硅酸盐学报,2005,33(5):644-649.Wang Yusong,Dai Gance.Effect of silane surface treatment on rheology of powder suspension[J].Journal of the Chinese Ceramic Society,2005,33(5):644-649. |
[11] | 薛茹君,吴玉程.硅烷偶联剂修饰改性的机理及改性绢云母的性能[J].硅酸盐学报,2007,35(3):373-376.Xue Rujun,Wu Yucheng.Mechanism of modification of silane coupling agents and properties of modified sericite[J].Journal of the Chinese Ceramic Society,2007,35(3):373-376. |
[12] | Nakamura Y,Usa T,Gotoh T,et al.AFM observations of silanecoupling agent layers hadng a vinyl group deposited on a mica surface[J].J Sci Adhes Technol,2006,20(11):1199-1213. |
[13] | Zalkind O A,Gershenkop A s.IR spectral determination of mica in multicomponent system[J].J Anal Chem,2006,61(7):644-646. |
[14] | 彭娅,傅强.纳米碳酸钙填充室温硫化硅橡胶性能及其补强机理的研究[D].成都:四川大学,2004.Peng Ya,Fu Qiang.The properties and reinforcement of nanocalcium carbonate field room temperature vulcanized silicone rubber[D].Chengdu:Sichuan University,2004. |
[15] | Kraus G,Childers C W,Rollmann K W.Stress softening in carbon black-reinforced vulcanizates:Strain rate and temperature effects[J].Journal of Applied Polymer Science,1966,10(2):229-244. |
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