摘要
采用共混的方法制备了聚酰胺(PA)6/羧基丁苯粉末橡胶新型热塑性弹性体。通过差示扫描量热法研究了该弹性体中PA6基体在受限条件下的非等温结晶行为。研究发现,羧基丁苯粉末橡胶对PA6具有异相成核作用,可提高PA6的结晶温度和结晶速率;PA6在受限条件下有利于生成γ晶型,且随着羧基丁苯粉末橡胶含量以及吸收剂量的提高,更易生成γ晶型。
This paper prepared a novel kind of thermoplastic elastomer （TPE） with blending process from polyamide 6 （PA 6） and ultra-fine full-vulcanized carboxylic styrene-butadiene powdered rubber （CSB-UFPR）. The non-isothermal crystallization behavior of PA 6 as matrix that was confined in TPE was studied by means of differential scanning calorimetry. The results reveal that CSB-UFPR can act as a heterogeneous nucleating agent for PA 6 crystallization, thereby being able to increase crystallization temperature and crystallization rate of PA 6. Under the confined condition PA 6 favor the crystal phase of 3＇ instead of γ, and increasing CSB-UFPR content and absorbent dosage can significantly benefit the formation of crystal phase of γ.
出处
《合成树脂及塑料》
EI
CAS
北大核心
2005年第5期54-58,共5页
China Synthetic Resin and Plastics
基金
国家重点基础研究专项经费(G1999064800)资助。
关键词
聚酰胺6
羧基丁苯橡胶
受限
非等温结晶
polyamide 6
carboxylic styrene-butadiene rubber
confined
non-isothermal crystallization
