• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>RSC Advances >Surface microencapsulation modification of aluminum hypophosphite and improved flame retardancy and mechanical properties of flame-retardant acrylonitrile-butadiene-styrene composites
【24h】

Surface microencapsulation modification of aluminum hypophosphite and improved flame retardancy and mechanical properties of flame-retardant acrylonitrile-butadiene-styrene composites

机译：铝次磷酸盐的表面微胶囊改性及阻燃丙烯腈 - 丁二烯 - 苯乙烯复合材料的改善阻燃性和力学性能

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Surface microencapsulated aluminum hypophosphite ( SiAHP) was successfully prepared via the condensation polymerization of N-(beta-aminoethyl)-gamma-aminopropylmethyldimethoxysilane. The notched impact strength of the ABS/SiAHP composites was significantly enhanced compared to the corresponding ABS/AHP composites because the microencapsulated SiAHP improved the compatibility of SiAHP and the ABS matrix, and the vertical burning rate of the ABS composite with only 22.0 wt% SiAHP achieved V-0. The cone calorimeter tests demonstrated that the peak heat release rate (PHRR) and peak smoke production rate (PSPR) values of the ABS/22 wt% SiAHP composite were decreased by 81.1% and 49.5%, respectively, compared to those of the ABS/22 wt% AHP composite. Moreover, the total heat release (THR) and the total smoke production (TSR) values of the ABS/SiAHP composites were all lower than those of the ABS/AHP composites. These results clearly indicated that the silicone microencapsulation modification of SiAHP not only enhanced the flame retardancy efficiency of the FR ABS/SiAHP composite but also effectively restrained the smoke production rate of the ABS. A comparison of digital photographs and SEM images of the residues of the ABS/AHP and ABS/SiAHP composites after the cone calorimeter tests revealed that the residue of the ABS/SiAHP composites exhibited a denser and more compact surface char layer structure than that of the ABS/AHP composite. Energy-dispersive X-ray spectroscopy (EDS) measurement indicated that SiAHP more effectively promoted the carbon formation in the FR ABS composite at the surface compared to AHP. The threedimensional compact char layer network containing C and Si effectively improved the flame retardancy of the ABS/SiAHP composite. Therefore, the flame retardancy of the ABS/SiAHP composite was attributed more to condensed-phase mechanisms than the flame retardancy of the ABS/AHP composite.
机译：通过N-（β-氨基乙基）-Gamma-氨基丙基甲基二甲硅烷的缩聚来成功制备表面微胶囊化铝次磷酸酯（SIAHP）。与相应的ABS / AHP复合材料相比，ABS / SIAHP复合材料的缺口冲击强度显着增强，因为微胶囊化的SiaHp改善了SiaHP和ABS基质的相容性，并且ABS复合材料的垂直燃烧速率仅具有22.0wt％SiaHP实现了V-0。锥形量热计测试证明ABS / 22wt％SiaHP复合材料的峰值热释放速率（PHRR）和峰值烟雾生产率（PSPR）分别与ABS / / ABS /）分别降低了81.1％和49.5％。 22重量％AHP复合材料。此外，ABS / SiaHP复合材料的总热释放（Thr）和总烟雾产生（TSR）值均低于ABS / AHP复合材料的总烟雾生产。这些结果清楚地表明SiaHP的硅氧烷微胶囊化改性不仅提高了FR ABS / SIAHP复合材料的阻燃效率，而且有效地限制了ABS的烟雾生产率。在锥形量热检测测试之后，ABS / AHP和ABS / SiaHP复合材料的残留物的数字照片和SEM图像的比较显示ABS / SiaHP复合材料的残留物表现出密集和更紧凑的表面炭层结构而不是ABS / AHP复合材料。能量分散X射线光谱（EDS）测量表明，与AHP相比，SiaHP更有效地促进了表面上的FR ABS复合材料中的碳形成。包含C和Si的三维致密炭层网络有效地改善了ABS / SiaHP复合材料的阻燃性。因此，ABS / SIAHP复合物的阻燃性归因于浓缩相机制，而不是ABS / AHP复合材料的阻燃性。

著录项

  • 来源
    《RSC Advances》 |2015年第61期|共10页
  • 作者

    Wu Ningjing; Xiu Zhaoxia;

  • 作者单位

    Qingdao Univ Sci &

    Technol Key Lab Rubber Plast Shandong Prov Key Lab Rubber Plast Minist Educ Qingdao 266042 Peoples R China;

    Qingdao Univ Sci &

    Technol Key Lab Rubber Plast Shandong Prov Key Lab Rubber Plast Minist Educ Qingdao 266042 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号