期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 139, 期 10, 页码 -出版社
WILEY
DOI: 10.1002/app.51755
关键词
flame retardance; mechanical properties; thermal properties
资金
- Graduate Research and Innovation Projects of Jiangsu Province [KYCX21_2808]
The synthesized PASO can effectively improve the flame retardancy of polycarbonate while maintaining its mechanical performances, achieving UL 94V-0 rating and high limited oxygen index value when loaded with 1 wt% PASO and 5 wt% talc as anti-dripping agent. Analysis showed that PASO exhibited flame retardant mechanism in both gas and condensed phases.
A P/N/Si containing diphenylphosphoramide silicone oil (PASO) was synthesized using amino phenyl silicone oil and diphenylphosphinyl chloride as raw materials. The as-synthesized PASO displayed better flame retardancy toward polycarbonate (PC) meanwhile maintaining the mechanical performances of PC. At loading level of 1 wt% PASO, UL 94V-0 rating and a high limited oxygen index value of 31% were achieved for the flame retardant composite in the presence of 5 wt% talc as anti-dripping agent. Additionally, it gave a tensile strength of 65.5 MPa, elongation at break of 96.4%, and impact strength of 52.6 kJ/m(2), which were comparable to the pure PC. The analysis of the char residue after cone calorimeter test and the pyrolysis gaseous products demonstrated that PASO exhibited flame retardant mechanism of both gas and condensed phases.
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