The results of antibacterial measurement showed that silica with grafted quaternary ammonium group can restrain growing bacteria of starch paste and enhance storage stability of starch paste,the better adding amount is 3%.
抗菌性测试结果表明,接枝上季铵盐基团的白炭黑能抑制淀粉糊液生菌和提高淀粉糊液的储藏稳定性,其较佳用量为3%。
参考来源 - 改性白炭黑的制备及性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Four new types of organic siloxane surfactants with quaternary ammonium group have been obtained.
通过多步骤合成了四种含有季铵基的有机硅表面活性剂。
The catalyst also contains urea and quaternary ammonium groups, and long-fluorine hydrophobic group which can reduce the surface tension of water.
该催化剂同时含有双脲基和季铵盐基团以及疏水基的长氟链。
The rate of reaction is first order with icspect to epoxy group, zero order with respect to methylacrylic acid, and 0.71 order with lespect to quaternary ammonium salt catalyst respectively.
实验证明该反应对环氧基为一级反应，对甲基丙烯酸为零级，对季铵盐是0.71级。
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