Crosslinking Kinetics of the Formation of Lignin Aminated Polyol Based Polyurethane Foam

摘要：

Fourier transform infrared (FT-IR) spectroscopic analysis was used to study the kinetics of the formation of the polyurethane foam by lignin aminated polyol crosslinked with diphenylmethane diisocyanate (MDI-50). The crosslinking reaction was followed by monitoring of the change of the absorbance of the -NCO group at 2270 cm-1 in FT-IR spectra. The apparent activation energy (Ea) calculated according to n-th order reaction model was 16.44 kJ/mol, and the frequency factors (A) was 2.69 min-1. Furthermore, the crosslinking reaction is approximated to be a first-order reaction.

关键词： kinetics FT-IR polyurethane foam lignin aminated polyol

作者: Shu-ping HUO Ming-cai NIE Zhen-wu KONG Guo-min WU Jian CHEN

作者单位: Institute of Chemical Industry of Forest Products, CAF National Engineering Lab. for Biomass Chemical Utilization Key and Open Lab. on Forest Chemical Engineering, SFA Key Lab. of Biomass Energy and Material, Nanjing 210042, China

会议类型: 国际会议

会议名称: International Conference on Chemical and Biological Utilization of Biomass Resources 2010(2010年生物质资源化学利用国际学术研讨会)

会议地点: 南京

会议语种:英文

页码: 318-323

在线出版日期: 2010-10-22（万方平台首次上网日期，不代表论文的发表时间）