采用化学改性法，选择多官能团酚醛环氧树脂(F—51)与二乙醇胺进行定量加成反应，合成了一种在分子结构上既具有环氧基团，又具有亲水性基团的改性树脂。
According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.
以分子末端带有多官能度活泼端基的PAMAM等为原料，通过缩聚反应制备了一类新型体型缩聚物。
A novel class of three-dimensional polycondensates were prepared with PAMAM dendrimers having terminal multi-functional groups and other compounds, on the basis of polycondensation mechanism.
糖作为一类具有多官能团、多手性中心、廉价易得的手性小分子可以很方便地作为手性助剂用于不对称合成。
Carbohydrate, with multi-functional groups and chiral centers in one small molecule, is inexpensive and can be converted into efficient chiral auxiliary for controlling asymmetric synthesis.
本文介绍了环氧树脂高性能化的方法是将环氧树脂低分子量化、多官能团化、以及在柔性链段中引入刚性基团，并例举了高性能环氧树脂的实例。
The method of high-performance is that made epoxy resin, low molecular weight multifunctional and into rigid perssad on flexible segment, given an example.
该固色剂为树脂性预聚体，是一种多官能度的化合物，既能与染料分子反应，也能与纤维素大分子反应。
This agent is mainly used for reactive dyes, and in some cases, it can also be used for direct dyes. Its molecules can react with one another into network under certain conditions.
该固色剂为树脂性预聚体，是一种多官能度的化合物，既能与染料分子反应，也能与纤维素大分子反应。
This agent is mainly used for reactive dyes, and in some cases, it can also be used for direct dyes. Its molecules can react with one another into network under certain conditions.
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