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Development of the Composite Masterbatch of Modified EPS for Insulation Mortar
Author(s): 
Pages: 28-30,34
Year: Issue:  4
Journal: HENAN CHEMICAL INDUSTRY

Keyword:  聚苯乙烯泡沫颗粒表面改性保温砂浆复合母料;
Abstract: 通过测定表面接触角,筛选出合适的表面处理剂,对聚苯乙烯泡沫(EPS)颗粒进行表面改性,再以其为核包裹无机胶凝材料,制备核壳结构的亲水性EPS颗粒复合母料.研究了聚合物乳胶和偶联剂用量,母料中水泥粉煤灰含量等因素对EPS保温砂浆性能的影响,得出了制备复合母料的优化配方, 应用该复合母料研制出了综合性能优良的EPS保温砂浆.研究发现,亲水性EPS颗粒复合母料与粉煤灰水泥进行共混,有利于EPS颗粒在基体中分散均匀,该二次分散混合工艺制备砂浆的力学性能明显高于与直接混合法,抗折强度和粘合强度能提高15%左右.
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