Kinetics of the decomposition of dimethylhexane-1,6-dicarbamate to 1,6-hexamethylene diisocyanate

Yan Cao; Huiquan Li; Ningbo Qin; Ganyu Zhu

doi:10.1016/j.cjche.2014.12.008

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Kinetics of the decomposition of dimethylhexane-1,6-dicarbamate to 1,6-hexamethylene diisocyanate

催化、动力学与反应工程 | Updated：2026-01-06

- Kinetics of the decomposition of dimethylhexane-1,6-dicarbamate to 1,6-hexamethylene diisocyanate
- Chinese Journal of Chemical Engineering Vol. 23, Issue 5, Pages: 775-779(2015)
- Affiliations：
  
  National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.12.008
  CLC：
- Published：2015
- Accepted：
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Yan Cao, Huiquan Li, Ningbo Qin, Ganyu Zhu. Kinetics of the decomposition of dimethylhexane-1,6-dicarbamate to 1,6-hexamethylene diisocyanate[J]. Chin.J.Chem.Eng., 2015, 23(5): 775-779.
DOI：

Yan Cao, Huiquan Li, Ningbo Qin, Ganyu Zhu. Kinetics of the decomposition of dimethylhexane-1,6-dicarbamate to 1,6-hexamethylene diisocyanate[J]. Chin.J.Chem.Eng., 2015, 23(5): 775-779. DOI： 10.1016/j.cjche.2014.12.008.

摘要

Abstract

The kinetics of the decomposition of dimethylhexane-1

6-dicarbamate to 1

6-hexamethylene diisocyanate was studied. A consecutive reaction model was established and the reaction orders for the two steps were confirmed to be 1 and 1.3 by the integral test method and the numerical differential method

respectively. The activation energies of the two steps were (56.94±5.90) kJ·mol

-1

and (72.07±3.47) kJ·mol

-1

with the frequency factors exp(12.53±1.42) min

-1

and (14.254±0.84) mol-0.33·L0.33·min

-1

respectively. Based on the kinetic model obtained

the progress of the reaction can be calculated under given conditions.

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