无卤含硅阻燃环氧树脂制备与性能研究

合成了一种新型的含硅环氧单体-二缩水甘油基二甲基硅烷(DGDMS),将其以一定比例加入到普通商用环氧树脂(DER332)中,使用固化剂4,4'-二氨基二苯砜(DDS)共固化制得无卤含硅阻燃环氧树脂,研究探讨该阻燃环氧树脂的性能。结果表明:随着DGDMS含量的增加,空气和氮气中成炭率(700℃)相应得到提高,同时,氧指数由25.5上升至38.0,证明了在环氧树脂分子链中引入DGDMS可大大提高其阻燃性能

Study of nano-intercalation amino resin superficial modified tunnel fire proof coating

作者简介: 张小玲(1959-),女,厦门市消防支队 防火处高级工程师,主要从事消防监督管理工作, 福建 省厦门市湖滨北路119 号, 361012。[中文文摘]通过对主粘结剂、聚合物改性剂、骨料和无机阻燃剂等因素的研究,得到改进的常规厚涂型防火涂料,在其表面涂覆纳米插层氨基树脂以改善其耐腐蚀性。以原位插层法制备了蒙脱土/氨基树脂纳米复合材料,采用X射线衍射(XRD)、断面扫描电镜(SEM)及透射电镜(TEM)研究了其分散形态。试验表明通过表面涂覆改性得到的隧道防火涂料组合物具有良好的耐腐蚀性和耐火性能。[英文文摘]Via the investigation on factors such as main adhesive, polymeric modifier, bond materials and inorganic fire retardant, the performance of thick coated fire proof coating is improved. Surface modification by nano-intercalation amino resin improves the anti-corrosion property of the fire proof coating. The montmorillonite/amino resin nano-meter composite is made by the method of in-situ intercalation, and its dispersion morphology is analyzed by XRD, SEM and TEM. The experiments prove that the nano-intercalation amino resin modified fire proof coating performes well in fire proof and anti-corrosion