Journal of Thermal Analysis and Calorimetry

, Volume 138, Issue 6, pp 3905–3913 | Cite as

Reutilization of abandoned molecular sieve as flame retardant and smoke suppressant for thermoplastic polyurethane elastomer

  • Chuanmei Jiao
  • Huazhen Jiang
  • Xilei ChenEmail author


Molecular sieve was applied to chemical industry diffusely as a typical catalyst. Meanwhile, much molecular sieve was abandoned, which leads to the waste of resources and environmental pollution. It became a research hot spot to recycle abandoned molecular sieve (AMS). In this paper, AMS was used as a flame-retardant and smoke-suppressant agent in TPU. The performance of flame retardant and smoke suppressant of samples was tested by cone calorimeter, smoke density test and thermogravimetric/infrared spectroscopy (TG–IR), respectively. The results showed that AMS could improve the performance of flame retardant and smoke suppressant of TPU effectively. The pHRR and TSR declined by 55.0% and 48.4%, respectively, and the luminous flux increased 5.53% when the addition of molecular sieve was 1.0 mass%. TG–IR results showed that AMS can improve the thermal stability of TPU even under nitrogen atmosphere. It can be concluded that AMS has a good application prospect in flame retardant and smoke suppressant of TPU, and a new idea for the disposal of AMS was provided.


Abandoned molecular sieve Flame retardant Smoke suppressant Thermoplastic polyurethane elastomer 



The authors gratefully acknowledge the National Natural Science Foundation of China (Nos. 51776101, 51206084), the Natural Science Foundation of Shandong Province (ZR2017MB016), the Project of the State Administration of Work Safety (shandong-0039-2017AQ), and Applied Basic Research Program of Qingdao (No. 17-1-1-15-jch).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.College of Environment and Safety EngineeringQingdao University of Science and TechnologyQingdaoPeople’s Republic of China

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