以正硅酸乙酯(TEOS)、二苯基二甲氧基硅烷(DMDPS)和六甲基二硅氧烷(MM)为原料,通过水解-缩合法制备苯基MDQ硅树脂.采用傅里叶红外光谱(FT-IR)和核磁共振氢谱(1H-NMR)对硅树脂的结构进行表征;利用热重分析仪(TG)、阿贝折射仪和凝胶渗透色谱仪(GPC)对产物热性能、折光率和相对分子质量及其分布进行测试.结果表明:随着DMDPS用量的增加,其折光率有所提高,相对分子质量略有降低,相对分子质量分布变宽,在氮气中的耐热性呈先增后减的趋势;空气中灼烧试验结果显示,在300℃以下,硅树脂的结构基本不变,导致其出现较大失质量的温度范围为300～500℃.
参考文献
| [1] | 周宁琳.有机硅聚合物导论[M].北京:科学出版社,2000:25. |
| [2] | 申永泰.淀粉基高速标签胶粘剂[J].粘接,1996(04):22. |
| [3] | YOSHIDA M;UEHARA K;NANBA T .Water and oil resistant cosmetic makeups[P].JP 143426,1996-06-04. |
| [4] | OTSUZUMI K;HIRAI N .MQ resin-silicone compositions and semiconductor devices sealed with them[P].JP 2127517,2008-06-05. |
| [5] | 潘慧铭,谭必恩,黄素娟,张廉正.甲基MQ及MTQ型硅酮树脂的合成及其特性[J].中国胶粘剂,1999(06):1-4. |
| [6] | 黄文润.有机硅材料的市场与产品开发(续十七)[J].有机硅材料及应用,1998(02):10-13. |
| [7] | KOBAYASHI H;NISHIUMI W .Method for the preparation of silicone resins[P].US 5527873,1996-06-18. |
| [8] | BUTLER D W .Method of making organisiloxane resins[P].US 5110890,1992-05-05. |
| [9] | 张宝华,伍川,董红,程大海,杨科芳.苯基MTQ硅树脂的制备及性能[J].高分子材料科学与工程,2013(03):137-142. |
| [10] | 葛建芳,蒲侠,李思东,唐正华.二乙氧基二甲基硅烷杂化MQ硅树脂合成及其性能[J].仲恺农业工程学院学报,2010(02):35-38. |
| [11] | Xiaoqiu Xu;Chuan Wu;Baohua Zhang;Hong Dong .Preparation, Structure Characterization, and Thermal Performance of Phenyl-Modified MQ Silicone Resins[J].Journal of Applied Polymer Science,2013(6):4189-4200. |
| [12] | 幸松民;王一璐.有机硅合成工艺及产品应用[M].北京:化学工业出版社,2000:819-821. |
| [13] | 李强,黄光速,江璐霞.羟基聚甲基苯基硅氧烷的合成与表征[J].合成橡胶工业,2004(01):10-12. |
| [14] | Bhatia, S.C.;Rani, R.;Bhatia, R. .Viscosities, densities, speeds of sound and refractive indices of binary mixtures of o-xylene, m-xylene, p-xylene, ethylbenzene and mesitylene with 1-decanol at 298.15 and 308.15 K[J].Journal of Molecular Liquids,2011(2):132-141. |
| [15] | Atkins GR.;Samoc A.;Krolikowska RM. .Optical properties of an ormosil system comprising methyl- and phenyl-substituted silica[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2000(3):210-220. |
| [16] | SPEIGHT J G.Lange's handbook of chemistry[M].New York:McGraw-Hill,2005:288. |
| [17] | 杜作栋;陈剑华;贝小来.有机硅化学[M].北京:高等教育出版社,1990:204-205. |
| [18] | JONES R G;ANDO W;CHOJNOWSKI J;李美江.Silicon-containing polymer[M].北京:化学工业出版社,2008:153. |
| [19] | 徐晓明;高传花;林薇薇 等.酮肟基硅烷扩链剂/交联低模量有机硅密封胶的制备及性能[J].高分子材料科学与工程,2007,23(04):29-31. |
| [20] | 林继月,刘光明,陈刚.DDS含量对有机硅/SiO2杂化涂层性能的影响[J].中国腐蚀与防护学报,2011(02):116-120. |
| [21] | 王清正;师彤;谢择民.硅氮化合物交联剂交联的室温硫化硅橡胶的热稳定性[J].高分子学报,1994(05):573-577. |
| [22] | Jovanovic JD.;Dvornic PR.;Popovic IG.;Govedarica MN. .The thermogravimetric analysis of some polysiloxanes[J].Polymer Degradation and Stability,1998(1):87-93. |
| [23] | DVORNIC P R;LENZ R W .Exactly alternating silarylenesiloxane polymers:6.Thermal stability and degradation behaviour[J].Polymer,1983,24:763-768. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%