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煤焦油改性酚醛树脂研究

Lin WU,Zhao-hui OUYANG,Shu-chao CAO,De-lian YI,Xiao-rong QIN,Yan WANG

SCIENCE & TECHNOLOGY IN CHEMICAL INDUSTRY（2005）

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Abstract
引入含有多环芳烃煤焦油组分来改性酚醛树脂,在反应釜中按一定比例加入苯酚、甲醛、氢氧化钠和煤焦油.在碱性催化剂作用下反应4～7 h,真空脱水,得到了煤焦油改性热固性酚醛树脂.对改性后树脂的固含量、残炭值测定和热失重-差热分析,结果表明煤焦油加入量为苯酚质量的15%时改性树脂具有较大的固含量和残炭值,耐热性也得到了显著提高.
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Key words
phenolic resin,coal tar
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