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| 降低SBS扯断永久变形的加帽技术 | |
| 引用本文： | 王德充. 降低SBS扯断永久变形的加帽技术[J]. 合成橡胶工业, 1994, 17(6): 334-337 |
| 作者姓名： | 王德充 |
| 作者单位： | 北京燕山石油化工公司研究院 |
| 摘 要： | 在小试和模试验中，依据加帽技术的构想，采用高分子设计，将少量丁二烯插入到聚苯乙烯链段中，以此来制备改性丁苯嵌段共聚物。结果表明，当Ｂｄｒ插入量为（０．０５％－１．５０％（质量，占Ｂｄ总用量）时，改性ＳＢＳ的扯断永久变形可降低到２０－３０％，与国外同类产品的相当；改性前后ＳＢＳ的分子结构相同，物理机械性能相似，该项技术已获得中国专利。 |
| 关 键 词： | 丁苯嵌段共聚物 加帽技术 扯断永久变形 SBS |
MODIFICATION OF SBS FOR REDUCING PERMANENT SET |
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| Wang Dechong. MODIFICATION OF SBS FOR REDUCING PERMANENT SET[J]. China Synthetic Rubber Industry, 1994, 17(6): 334-337 | |
| Authors: | Wang Dechong |
| Affiliation: | Research Institute of Beijing Yanshan Petrochemical corporation |
| Abstract: | The styrene-butadiene-styrene block copolymer(SBS)was modified for reducing its permanent set by the method of polymer design,and a conception of capping technology was proposed.The experimental results showed that when a small amount of conjugated dienes,such as butadiene, added onto the polystyrene segments,the permanent set of SBS was less than 30%,without effect on other mechanical properties of midified SBS. |
| Keywords: | styrene-butadiene-styrene block copolymer capping technology polymer design method permanent set mechanical property |
| 本文献已被 CNKI 维普 等数据库收录！ | |