1) direct polycondensation method
直接缩聚法
1.
This paper introduced the methods of synthesis processes,included the direct polycondensation method and indirect ring open polymerization,and analyzed the advantage and disadvantage of the craft.
分析了聚乳酸直接缩聚法(PC法)和开环聚合法(ROP法)的优缺点,介绍了聚乳酸在生物医学、农用地膜、包装及林业、沙漠绿化等领域的应用,并在开环聚合法中提出了制造高分子量且降低成本的有效方法和今后可能的发展方向。
2) direct polycondensation
直接缩聚
1.
Kinetics of direct polycondensation preparing polylactic acid by using lactic acid;
乳酸直接缩聚制备聚乳酸的动力学
2.
Research progress in synthesis of poly (lactic acid) by direct polycondensation;
直接缩聚合成聚乳酸研究进展
3.
Synthesis and Characterization of Sulfonated Polybenzimidazoles by Direct Polycondensation for Proton Exchange Membranes;
直接缩聚法制备磺化聚苯并咪唑及其性能表征
3) direct condensing method
直接缩合法
1.
Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.
以苯胺、邻硝基氯苯为原料 ,采用直接缩合法引入相转移催化剂合成邻硝基二苯胺。
5) Direct Polymerization
直接缩合聚合
补充资料：直接
不经过中间事物的。与“间接”相对：直接取用｜直接关系。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条