三氧化钼对无卤阻燃复合酚醛泡沫体系性能的影响

doi:10.3969/j.issn.0253-2417.2016.03.011

林产化学与工业 ›› 2016, Vol. 36 ›› Issue (3): 73-80.doi: 10.3969/j.issn.0253-2417.2016.03.011

三氧化钼对无卤阻燃复合酚醛泡沫体系性能的影响

马玉峰¹, 王春鹏², 储富祥²

1. 南京林业大学材料科学与工程学院, 江苏南京 210037;
2. 中国林业科学研究院林产化学工业研究所, 江苏南京 210042

收稿日期:2015-06-03 出版日期:2016-06-25 发布日期:2016-07-07
通讯作者: 储富祥(1963-),男,研究员,博士生导师,主要从事乳液聚合、胶黏剂及生物质材料的研究工作;E-mail:chufuxiang@caf.ac.cn。 E-mail:chufuxiang@caf.ac.cn
作者简介:马玉峰(1980-),男,河南周口人,博士,讲师,主要从事生物质高分子材料的研究与开发;E-mail:yufengma@163.com
基金资助:
江苏省自然科学基金资助项目(青年基金)(BK20140978);南京林业大学高学历人才基金项目(GXL2014033);林木资源化学深加工关键技术研究及示范(2012BAD24B04)

Effect of Molybdenum Trioxide on Flame Retardant Properties of Phenolic Foams Halogen-free System

MA Yu-feng¹, WANG Chun-peng², CHU Fu-xiang²

1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
2. Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China

Received:2015-06-03 Online:2016-06-25 Published:2016-07-07

摘要/Abstract

摘要： 以多聚磷酸铵、季戊四醇、三氧化钼(MoO₃)组成无卤协同阻燃体系,研究了MoO₃不同添加量对阻燃体系复合酚醛泡沫的热释放性能、发烟性能及力学性能等的影响。研究结果表明:与纯酚醛泡沫相比,阻燃体系复合酚醛泡沫的极限氧指数(I_LO)均值升高了约73%; 900℃时的残炭量在MoO₃添加量≤1.5%时略有增加,而后有所降低;热释放速率(HRR)、总热释放量(THR)、氧气消耗量(O₂C)、一氧化碳(COP)和二氧化碳产量(CO₂P)的均值分别降低了约75%、68%、68%、28%和41%,总烟释放(TSR)均值上升了约72%;从比消光面积(SEA)显著升高和有效燃烧热(EHC)显著降低可知,阻燃体系符合气相阻燃的机理;复合酚醛泡沫的弯曲和压缩强度均值分别降低了约29%和19%。综合分析可知,MoO₃添加量为1.5%时,阻燃体系复合酚醛泡沫的综合性能最优。

关键词: 酚醛泡沫, 无卤阻燃, 锥形量热仪, 性能研究

Abstract: Halogen-free synergistic flame retardant system was composed of ammonium polyphosphate, pentaerythritol and molybdenum trioxide. The influences of the amount of MoO₃ on properties of flame retardant system composite phendic foans (FRSCPFS) including heat release, smoke release and mechanical properties, etc, were investigated. The results showed that compared with pure phenolic foam, average limit oxygen index (I_LO) of FRSCPFs increased around 73%. The residual carbon (900℃) increased slightly when MoO₃ amount≤1.5%, and then decreased. Heat release rate (HRR), total heat release (THR), oxygen consumption (O₂C), and production of carbon monoxide and carbon dioxide (COP and CO₂P) reduced about 75%, 68%, 68%, 28% and 41%, respectively. Average total smoke release (TSR) increased about 72%. Average rate of heat emission (ARHE) decreased slightly when MoO₃ amount≤1.5% and then increased. The flame retardant system was proved that flame retardant mainly played a role in the gas phase and agreed with the gas phase flame retarding mechanism by the increase of specific extinction area (SEA) and by the effect heat of combustion (EHC). Average bending and compression strength reduced about 29% and 19%, respectively. By comprehensively comparing various performances, the properties of FRSCPFs were best when the amount of MoO₃ was 1.5%.

Key words: phenolic foam, halogen-free flame retardant, cone calorimeter, characterization

中图分类号:

TQ351

马玉峰, 王春鹏, 储富祥. 三氧化钼对无卤阻燃复合酚醛泡沫体系性能的影响[J]. 林产化学与工业, 2016, 36(3): 73-80.

MA Yu-feng, WANG Chun-peng, CHU Fu-xiang. Effect of Molybdenum Trioxide on Flame Retardant Properties of Phenolic Foams Halogen-free System[J]. Chemistry and Industry of Forest Products, 2016, 36(3): 73-80.

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三氧化钼对无卤阻燃复合酚醛泡沫体系性能的影响

Effect of Molybdenum Trioxide on Flame Retardant Properties of Phenolic Foams Halogen-free System

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