摘要
研究了ＳＢＲ／ＰＰ共混物的结晶行为、拉伸强度、缺口冲击强度及屈服强度。当ＳＢＲ／ＰＰ（质量比）为１０／９０时，常温（２５℃）下的缺口冲击强度最大，约为８ＫＪ／ｍ２，拉伸强度为田２８．５ＭＰａ，屈服强度为３１．４ＭＰａ；此时ＳＢＲ具有最大非均相成核能力，并使ＰＰ具有６３．６％的总结晶度和１３．２％的β－晶型结晶度。
The crystallization behavior and the mechanical properties of the SBR/PP blends were studied.It was found that the blends showed the maximum notched impact strength of about 8 KJ/m2 when the mass ratio of SBR/PP was 10/90,and the tensile strength was 28.5 MPa,the yield strength was 31.4 MPa.SBR had the maximum hetergeneous nucleating ability,and PP had the total degree of crystallinity of 63.6% and the β-form degree crystallinity of 13.2%.
出处
《合成橡胶工业》
CAS
CSCD
北大核心
1995年第6期360-362,共3页
China Synthetic Rubber Industry
关键词
丁苯橡胶
聚丙烯
共混物
结晶行为
力学性能
styrene butadiene rubber
polypropylene
blend
crystallization behavior
mechanical property
