应用化学 ›› 1996, Vol. 0 ›› Issue (6): 35-38.

• 研究论文 • 上一篇    下一篇

不同异氰酸酯固化的蓖麻油/酚氧树脂聚氨酯的力学性能

范世霞, 韩孝族, 贾恒涛, 王晶, 金星梅   

  1. 中国科学院长春应用化学研究所 长春 130022
  • 收稿日期:1996-04-04 修回日期:1996-06-07 出版日期:1996-12-10 发布日期:1996-12-10

Mechanical Properties of Castor Oil/Phenoxy Resin Polyurethane Cured with Different Diisocyanates

Fan Shixia, Han Xiaozu, Jia Hengtao, Wang Jing, Jin Xingmei   

  1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022
  • Received:1996-04-04 Revised:1996-06-07 Published:1996-12-10 Online:1996-12-10

摘要: 以BF3·Oet2为催化剂,4,4-二羟基二苯基丙烷与环氧氯丙烷反应,生成端羟基的酚氧树脂(A),A与蓖麻油(B)混合,用3种异氰酸酯(TDI、IPDI和HDI)作为固化剂,制得交联聚氨酯。研究了这3种聚氨酯的力学性能及形态与组成和二异氰酸酯结构的关系;改变NCO/OH摩尔比及B与A的质量比,可以制得具有较好力学性能的聚氨酯材料。

关键词: 蓖麻油, 酚氧树脂, 聚氨酯, 力学性能

Abstract: The hydroxy-terminated phenoxy resin was prepared by the reaction of bisphenol-A and epichlorohydrin using BF3·OEt2 as a catalyst,and then mixed with castor oil and reacted with toluene diisocyanate,hexamethylene diisocyanate and isophorone diisocyanate,respectively,to give a series of polyurethanes.The mechanical properties of the polyurethanes with various compositions were investigated.Under optimum content of castor oil and NCO/OH mole ratio,a series of polyurethanes with good mechanical properties have been obtained.

Key words: castor oil, phenoxy resin, polyurethane, mechanical property