Environmentally Friendly Flame-Retardant and Its Application in Rigid Polyurethane Foam

Author:

Chen Yongjun1ORCID,Jia Zhixin1,Luo Yuanfang1,Jia Demin1,Li Bin1

Affiliation:

1. Department of Polymer Materials and Engineering, South China University of Technology, Guangzhou 510640, China

Abstract

A novel Flame-Retardant N-(P,P′-diphenyl) phosphorus-based-(3-triethoxysilicon) propylamine (DPTP) was synthesized in this study. The impact of DPTP on the mechanical properties, thermal stability, and flame retardancy of rigid polyurethane foam (RPUF) was studied. The addition of DPTP to RPUF can significantly reduce the undesirable thermal effects and smoke density during combustion, as well as increasing the limiting oxygen index. Compared with pure RPUF, the peak heat release rate of RPUF containing 10 phr of DPTP decreased by 39.4%, while its peak smoke production rate decreased by 49.9%. However, it was also found that the addition of DPTP reduced the compressive strength of RPUF.

Funder

Ministry of Education and Research

Publisher

Hindawi Limited

Subject

Polymers and Plastics

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