化工进展

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催化剂DABCO8154对硬质聚氨酯泡沫塑料性能的影响

何金迎1,丁雪佳1,王林生1,李熙然1,苏磊静1,雷晓慧1,华卫琦2,齐旺顺2   

  1. 1北京化工大学北京市新型高分子材料制备与加工重点实验室,北京 100029;2烟台万华聚氨酯股份有限公司,山东 烟台 264000
  • 出版日期:2013-07-05 发布日期:2013-07-05

Effect of DABCO8154 on the properties of rigid polyurethane foam

HE Jinying1,DING Xuejia1,WANG Linsheng1,LI Xiran1,SU Leijing1,LEI Xiaohui1,HUA Weiqi2, QI Wangshun2   

  1. 1The Key Laboratory of Preparation and Processing of Novel Polymer of Beijing,Beijing University of Chemical Technology,Beijing 100029,China;2Yantai Wanhua Polyurethanes Co.,Ltd.,Yantai 264000,Shandong,China
  • Online:2013-07-05 Published:2013-07-05

摘要: 采用一步法合成聚氨酯硬质泡沫塑料,考察了催化剂DABCO8154对聚氨酯塑料发泡体系的发泡时间、表观密度、热稳定性能、力学性能等的影响。随着DABCO8154用量的增加,发泡时间缩短,表观密度先下降后提高。压缩性能、弯曲性能随着DABCO8154含量增加逐渐降低。随着DABCO8154的加入,制品热稳定性提高。

关键词: 聚氨酯硬质泡沫塑料, DABCO8154, 发泡时间, 力学性能

Abstract: One-step polymerization was adopted to synthesize the rigid polyurethane foam. Effect of content of DABCO8154 on foaming time,apparent density,thermal stability and mechanical properties of RPUF product was studied. With increasing DABCO8154 loading,compression strength and bending strength of the product decreased,foaming time decreased,density increased first then decreased,and thermal stability increased.

Key words: polyurethane rigid foam, DABCO8154, foaming time, mechanical properties

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