羟甲基化 meaning in English
methylolation
Examples
- By controlling those parameters , the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced , the performances of product also improved
通过控制这些因素提高了密胺树脂高效减水剂的羟甲基化率和磺化率，改善了产物性能。 - In the synthesizing process , the ph value in hydroxymethylated stage , the reaction time , temperature and the moore ratio of sodium bisulfate to melamine in the sulfonated stage , and die ph value in the condensation stage , are important factors influencing on the performance of jd
在合成过程中，羟甲基化阶段的ph值，磺化阶段的ph值、时间、温度和投料摩尔比，缩合阶段的ph值等对减水剂性能影响显著。 - Abstract : the basic synthesis process parameters of water reducing agent of melamune series was studied . the factors affecting hydroxymethylation , stlfonation , low - ph condensation , and high - ph condensation were thoroughly studied . from that , the good conditions for every stages were determined . by addition of compound additives made of some cheap components , the production cost of melamine water reducing agent was greatly decreased so that the spread and application value was increased
文摘:研究了三聚氰胺系列减水剂的基本合成工艺，考察了各种因素对羟甲基化阶段、磺化阶段、缩聚阶段的影响，确定了各阶段的最佳工艺条件，通过加入一些廉价组分制成复合型减水剂，使得三聚氰胺系列减水剂的生产成本大幅度降低，提高了产品的推广应用价值