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OALib Journal期刊
ISSN: 2333-9721
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纳米tio？？2？对环氧树脂表面施胶剂的增韧效果
DOI: 10.3969/j.jssn.1000-2006.2012.01.022, PP. 105-109
Keywords: 纳米tio？？2？,环氧树脂,表面施胶,增韧
Abstract:
以超声波法将不同比例的纳米tio？？2？分散在环氧树脂乳液中，增韧环氧树脂表面施胶剂，提高环氧树脂表面施胶剂的韧性和机械强度。研究了影响纳米tio？？2？在环氧树脂乳液中均匀分散的因素，并对改性后环氧树脂涂膜进行检测。结果表明改性环氧树脂的条件为：超声时间？30min？、环氧树脂温度50℃、超声功率100%、环氧树脂质量分数60%、纳米tio？2添加量3%。此条件下改性环氧树脂乳液粒径为1？69μm，改性环氧树脂的不透明度、储能模量与损耗因子明显提高，玻璃化温度略有降低。将改性环氧树脂用于表面施胶，纸张纵向抗张强度、表面结合强度、耐折度有明显提高，挺度略有下降。
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