苯基膦酸铈与十溴二苯醚阻燃玻璃纤维增强聚对苯二甲酸乙二醇酯复合材料

赵丽萍; 蔡青; 郭正虹

doi:10.13801/j.cnki.fhclxb.20190522.001

苯基膦酸铈与十溴二苯醚阻燃玻璃纤维增强聚对苯二甲酸乙二醇酯复合材料

1.
上海普利特复合材料股份有限公司, 上海 201707;
2.
浙江大学宁波理工学院高分子材料与工程研究所, 宁波 315100

详细信息

通讯作者:
赵丽萍,博士,技术工程师,研究方向为聚合物改性材料,E-mail:zhaolp@pret.com.cn

中图分类号: TQ314.24+4
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出版历程
- 收稿日期: 2019-03-07
- 刊出日期: 2019-10-14

Cerium phenylphosphonate and decabromodiphenyl oxide for flame retardancy of glass fiber reinforced poly(ethylene terephthalate) composites

1.
Shanghai PRET Composites CO. LTD., Shanghai 201707, China;
2.
Laboratory of Polymer Materials and Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China

摘要

摘要: 通过熔融共混方法制备苯基膦酸铈（CeHPP）与十溴二苯醚（DBDPO）复配阻燃玻璃纤维增强聚对苯二甲酸乙二醇酯（GF/PET）复合材料。采用热失重分析（TGA）测试研究了DBDPO-CeHPP对GF/PET复合材料热稳定性的影响。同时利用垂直燃烧（UL-94）、极限氧指数（LOI）及微型锥形量热（MCC）测试表征DBDPO-CeHPP-GF/PET复合材料的阻燃性能。使用SEM对DBDPO-CeHPP-GF/PET复合材料的残炭表面形貌进行观察分析。结果表明，DBDPO与CeHPP复配后对DBDPO-CeHPP-GF/PET体系的热性能和阻燃性能都有很大的影响。其中，GF/PET复合材料与DBDPO和CeHPP质量比为91：6：3时，DBDPO-CeHPP-GF/PET复合材料的LOI高达29.5%，可以通过UL-94 V-0级。在MCC测试中，与纯GF/PET复合材料相比，该配比的DBDPO-CeHPP-GF/PET复合材料总热释放（THR）、热释放速率峰值（PHRR）及热熔（HRC）分别下降了10.2%、13.1%和12.8%。结合残炭形貌的测试结果，对DBDPO-CeHPP-GF/PET复合材料的阻燃机制进行了适当的解释分析。
- 苯基膦酸铈(CeHPP) /
- 十溴二苯醚(DBDPO) /
- 玻璃纤维(GF) /
- 热稳定性 /
- 阻燃
Abstract: The combinations of cerium phenylphosphonate (CeHPP) and decabromodiphenyl oxide (DBDPO) were used for flame retardancy of glass fiber reinforced poly(ethylene terephthalate)(GF/PET) composites by using melt blending. Thermograviment analysis(TGA) was employed to investigate the thermal decomposition behavior of the flame retardant DBDPO-CeHPP-GF/PET composites. The combustion properties of DBDPO-CeHPP-GF/PET composites were measured by using limiting oxygen index (LOI), underwriters laboratories 94 (UL-94) and microscale combustion calorimeter (MCC). SEM was used to investigate the microtopography of char residues of DBDPO-CeHPP-GF/PET composites. The thermal properties and flame retardance of DBDPO-CeHPP-GF/PET composites are significantly improved by the incorporation of the combinations of CeHPP and DBDPO. For DBDPO-CeHPP-GF/PET composite with mass ratio of GF/PET composites:DBDPO:CeHPP of 91:6:3, the UL-94 V-0 classification and high LOI (29.5%) are achieved. The total heat release (THR), peak heat release rate (PHRR) and heat release capacity (HRC) of DBDPO-CeHPP-GF/PET composites at this ratio are respectively reduced by 10.2%, 13.1% and 12.8% comparing with the pure GF/PET composites. And the flame retardant mechanism of DBDPO-CeHPP-GF/PET composites was analyzed based on the SEM results of char residues.
- cerium phenylphosphonate(CeHPP) /
- decabromodiphenyl oxide(DBDPO) /
- glass fiber(GF) /
- thermal properties /
- flame retardancy

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