Synthesis of a novel phosphate‐containing highly transparent PMMA copolymer with enhanced thermal and flame retardant properties

A novel poly(methyl methacrylate) (PMMA)‐based copolymer (PMMA‐co‐BDPA) rich in aromatic rings was synthesized via radical copolymerization between a phosphorus‐containing acrylic monomer (BDPA) and methyl methacrylate (MMA). UV‐vis spectroscopy demonstrated that the copolymer had high transparency....

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Bibliographic Details
Published in:Polymers for advanced technologies 2020-03, Vol.31 (3), p.472-481
Main Authors: Yang, Baoping, Wang, Lurong, Guo, Yongliang, Zhang, Yabin, Wang, Niannian, Cui, Jinfeng, Guo, Junhong, Tian, Li
Format: Article
Language:English
Subjects:
Aromatic compounds
Chemical industry
Cone calorimeters
Copolymerization
Copolymers
Differential scanning calorimetry
flame retardancy
Flame retardants
Heat release rate
poly(methyl methacrylate)
Polymethyl methacrylate
Thermal stability
Thermodynamic properties
Thermogravimetric analysis
transparency
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Summary:A novel poly(methyl methacrylate) (PMMA)‐based copolymer (PMMA‐co‐BDPA) rich in aromatic rings was synthesized via radical copolymerization between a phosphorus‐containing acrylic monomer (BDPA) and methyl methacrylate (MMA). UV‐vis spectroscopy demonstrated that the copolymer had high transparency. Thermogravimetric analysis (TGA) and a differential scanning calorimeter (DSC) were used to test the thermal properties of the composites. Additionally, the PMMA‐co‐BDPA‐15 copolymer exhibited a 23% increase in the limited oxygen index (LOI) value. A cone calorimeter test indicated that the peak heat release rate (pk‐HRR) of PMMA‐co‐BDPA was reduced by 29.2% compared with that of pure PMMA, and the carbon yield of burning was obviously increased. The combined test results demonstrated that the prepared copolymer material had good transparency, thermal stability, and flame retardancy.
ISSN:1042-7147
1099-1581
DOI:10.1002/pat.4784