采用导热无机填料氧化铝对甲基乙烯基硅橡胶进行改性,并采用电子束辐射交联硅橡胶,对辐射交联硅橡胶的力学性能及导热性能进行了研究.结果表明,随着辐射剂量的增加,硅橡胶的交联密度增大,拉伸断裂强度逐渐增加,当辐射剂量为30kGy时,强度出现极大值;断裂伸长率则随着辐射剂量的增加而逐渐下降.随着白炭黑含量的增加,硅橡胶的拉伸断裂强度及断裂伸长率均逐渐增加.导热无机填料氧化铝的加入能够有效地提高硅橡胶的导热率.随着氧化铝含量的增加,硅橡胶的导热系数逐渐增大,共混体系的拉伸断裂强度和断裂伸长率下降,硬度增加.
参考文献
| [1] | 杨坤民,陈福林,岑兰,周彦豪.导热橡胶的研究进展[J].橡胶工业,2005(02):118-123. |
| [2] | Frounchi M;Dadbin S;Panahinia F .[J].Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms,2006,243:354. |
| [3] | Dubey KA;Bhardwaj YK;Chaudhari CV;Bhattacharya S;Gupta SK;Sabharwal S .Radiation effects on SBR-EPDM blends: A correlation with blend morphology[J].Journal of Polymer Science, Part B. Polymer Physics,2006(12):1676-1689. |
| [4] | 刘长维.高分子材料与工程实验[M].北京:化学工业出版社,2004:127. |
| [5] | 段先建.[J].有机硅氟通讯,2005(07):39-40. |
| [6] | Ishida H.;Rimdusit S. .Very high thermal conductivity obtained by boron nitride-filled polybenzoxazine[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,1998(1/2):177-186. |
| [7] | Lu X.;Xu G. .THERMALLY CONDUCTIVE POLYMER COMPOSITES FOR ELECTRONIC PACKAGING[J].Journal of Applied Polymer Science,1997(13):2733-2738. |
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%