橡胶科技
橡膠科技
상효과기
Rubber Science and Technology
2014年
7期
21-23
,共3页
混炼型聚氨酯橡胶%硫化体系%补强填料%硫化特性%物理性能
混煉型聚氨酯橡膠%硫化體繫%補彊填料%硫化特性%物理性能
혼련형취안지상효%류화체계%보강전료%류화특성%물이성능
millable polyurethane rubber%curing system%reinforcing ifller%curing characteristics%physical properties
研究硫化体系和补强填料对混炼型聚氨酯橡胶（MPU）性能的影响。结果表明：硫黄硫化体系MPU的物理性能较好，过氧化物硫化体系MPU的工艺性能及耐热性能、耐压变性能较好，MPU主要采用过氧化物硫化体系；沉淀法白炭黑对MPU的补强效果较好，气相法白炭黑MPU的拉断伸长率较大；可用少量树脂SP600和锦纶短纤维增大MPU硬度。
研究硫化體繫和補彊填料對混煉型聚氨酯橡膠（MPU）性能的影響。結果錶明：硫黃硫化體繫MPU的物理性能較好，過氧化物硫化體繫MPU的工藝性能及耐熱性能、耐壓變性能較好，MPU主要採用過氧化物硫化體繫；沉澱法白炭黑對MPU的補彊效果較好，氣相法白炭黑MPU的拉斷伸長率較大；可用少量樹脂SP600和錦綸短纖維增大MPU硬度。
연구류화체계화보강전료대혼련형취안지상효（MPU）성능적영향。결과표명：류황류화체계MPU적물이성능교호，과양화물류화체계MPU적공예성능급내열성능、내압변성능교호，MPU주요채용과양화물류화체계；침정법백탄흑대MPU적보강효과교호，기상법백탄흑MPU적랍단신장솔교대；가용소량수지SP600화금륜단섬유증대MPU경도。
In this study, the inlfuence of curing systems and reinforcing ifllers on the properties of millable polyurethane rubber (MPU) was investigated. The experimental results showed that though sulfur cured MPU had better physical properties, peroxide cured MPU processed quite good processing properties, excellent heat resistance and better compression properties. Therefore, peroxide curing system was more suitable for MPU. Precipitated silica showed better reinforcement to MPU, while the MPU iflled with fumed silica possessed larger elongation at break. It was also found that the addition of small amount of SP600 resin and short nylon ifber could increase the hardness of MPU.
