Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 135, Issue 8, Pages -Publisher
WILEY
DOI: 10.1002/app.45912
Keywords
flame retardance; mechanical properties; polyesters; rheology; thermal properties
Categories
Funding
- National High-tech Research and Development Program (863 Program) [2013AA06A307]
- Public Projects of Zhejiang Province [2017C31030]
- Science Foundation of Zhejiang Sci-Tech University (ZSTU) [16012169-Y]
- Zhejiang provincial Top Key Academic Discipline of Chemical Engineering and Technology of Zhejiang Sci-Tech University [CETT2016003]
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Poly(ethylene terephthalate) (PET) chips were coated by trisilanolphenyl-polyhedral oligomeric silsesquioxane (T-POSS) and hexakis (para-allyloxyphenoxy) cyclotriphosphazene (PACP) using the predispersed solution method, and PET/PACP/T-POSS hybrids were further prepared by the melt-blending method. The influence of T-POSS on the rheological, thermal, and mechanical properties and flame retardancy of PET/PACP composites were discussed. The results suggest that T-POSS was homogeneously dispersed in the PET matrix, which reduced the negative effects on polymer rheology and mechanical properties. For the PET/4% PACP/1% T-POSS sample, the tensile strength at break and T-g increased from 29.67 MPa and 81.7 degrees C (PET/5% PACP) to 34.8 MPa and 85.8 degrees C, respectively, but the sample also self-extinguished within 2 s, and the heat release capacity was reduced by 27.9% in comparison with that of neat PET. (C) 2017 Wiley Periodicals, Inc.
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