介绍了聚环氧丙烷类高抗收缩剂的收缩机理和制备方法,并且对其进行了抗压强度及抗拉强度的性能测试。
The reaction mechanism, method of synthesis and property testing of polyoxypropylene series compounds as shrinkage reducing agents in cement concrete are introduced in this paper.
聚环氧氯丙烷—二甲胺与PAC复配,不仅可使絮凝效果更佳,而且可降低处理成本。
Using polyamine flocculants with PAC, not only shows better flocculation performance, but also can lower the water treatment cost.
研究了由对硝基苯基偶氮苯类染料与聚环氧氯丙烷经大分子反应合成的含偶氮苯侧基的共聚醚的二阶非线性光学特性。
Some novel copolyethers containing azo benzene chromophors as side chains have been synthesized by a nucleophilic reaction of various azo dyes with polyepichlorohydrin.
结果表明,阳离子度、分子量以及聚合物的结构是影响聚环氧氯丙烷—二甲胺絮凝效果的重要因素。
The experimental results show that the cationicity, the molecular weight and the structure have a great effect on the flocculation efficiency of polyamine flocculants.
综合研究结果表明,聚环氧氯丙烷—二甲胺是一种高效多功能的有机絮凝剂。
The experimental results show that polyamine polymers are organic flocculants with high performance and multi-function.
纤维素纤维用聚环氧氯丙烷胺化物改性,并用直接染料、反应性染料中性、无盐染色。
Cellulosic fibres were treated with cationic modifying agents of PECH-amine and dyed with direct and reactive dyes without salts under neutral conditions.
纤维素纤维用聚环氧氯丙烷胺化物改性,并用直接染料、反应性染料中性、无盐染色。
Cellulosic fibres were treated with cationic modifying agents of PECH-amine and dyed with direct and reactive dyes without salts under neutral conditions.
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