| 微胶囊包覆磷钼酸铵的制备、表征及在UPR中的阻燃抑烟性能研究 |
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| 引用本文： | 汪关才,胡小平,卢忠远,宋丽贤,张明江,张建华,陈丰. 微胶囊包覆磷钼酸铵的制备、表征及在UPR中的阻燃抑烟性能研究[J]. 精细化工, 2007, 24(2): 108-112 |
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| 作者姓名： | 汪关才 胡小平 卢忠远 宋丽贤 张明江 张建华 陈丰 |
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| 作者单位： | 西南科技大学,材料科学与工程学院,四川,绵阳,621002;西南科技大学,材料科学与工程学院,四川,绵阳,621002;西南科技大学,材料科学与工程学院,四川,绵阳,621002;西南科技大学,材料科学与工程学院,四川,绵阳,621002;西南科技大学,材料科学与工程学院,四川,绵阳,621002;西南科技大学,材料科学与工程学院,四川,绵阳,621002;西南科技大学,材料科学与工程学院,四川,绵阳,621002 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 用原位聚合法制备了蜜胺甲醛树脂微胶囊,并用它对所合成的磷钼酸铵(AMP)进行包覆。粒径分布、SEM结果表明,在n(蜜胺)∶n(甲醛)=1.0∶2.5,pH=2.5,温度为70℃的条件下反应3 h后,再将pH升至6.0,所得微胶囊包覆磷钼酸铵(MCAMP)粒径为7.709μm,胶囊壁呈葡萄串形结构且分散性良好;按w(MCAMP)=5%将MCAMP添加到不饱和聚酯树脂(UPR)中,结果证实,UPR氧指数(LO I)从纯树脂的20.0%上升至25.2%,UL94达V-2级,烟密度等级(SDR)从75.25降至65.11,最大烟密度(MSD)从95.73下降至89.24,烟密度等级满足国家对B1级电器类热固性塑料的使用要求。
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| 关 键 词： | 磷钼酸铵 不饱和聚酯树脂 微胶囊 阻燃 抑烟 |
| 文章编号： | 1003-5214（2007）02-0108-05 |
| 修稿时间： | 2006-07-132006-09-19 |
Preparation and Characterization of Ammonium Molybdophosphate Coated by Microcapsule and Flame Retardancy and Smoke Suppression of Its Composites with UPR |
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| WANG Guan-cai,HU Xiao-ping,LU Zhong-yuan,SONG Li-xian,ZHANG Ming-jiang,ZHANG Jian-hua,CHEN Feng. Preparation and Characterization of Ammonium Molybdophosphate Coated by Microcapsule and Flame Retardancy and Smoke Suppression of Its Composites with UPR[J]. Fine Chemicals, 2007, 24(2): 108-112 |
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| Authors: | WANG Guan-cai HU Xiao-ping LU Zhong-yuan SONG Li-xian ZHANG Ming-jiang ZHANG Jian-hua CHEN Feng |
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| Affiliation: | School of Material Science and Engineering, Southwest University of Science and Technology, Mianyang 621002, Sichuan , China |
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| Abstract: | Ammonium molybdophosphate(AMP) was synthesized and coated by melamine-formaldehyde resin microcapsule with in situ polymerization.The results of diameter distribution and SEM indicated that,under the conditions n(melamine)∶n(formaldehyde)=1.0∶2.5,pH=2.5 and 70 ℃,reacting for 3 h and then raising the pH to 6.0,the micro capsule of AMP coated by melamine-formaldehyde resin(MCAMP) had good dispersiveness,d(0.5)=7.709 μm and grape-bunch structure.If MCAMP was applied to unsaturated polyester resin(UPR)(w(MCAMP)=5%),limited oxygen index(LOI) of the composite came to 24.6% from 20.0% of pure UPR,flame retardancy(UL94) to grade V-2,smoke density rate(SDR) to 65.11 from 75.25 and maximum smoke density(MSD) to 90.81 from 95.73.These properties satisfy the requirement of application for thermoset wiring of B_1 rate. |
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| Keywords: | ammonium molybdophosphate unsaturated polyester resin microcapsule flame retardancy smoke suppression |
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