您要查找的是不是:
- etherification of polymers 高分子醚化
- Effect of polymer injection rate on EOR. 注聚合物速度对提高原油采收率的影响
- The status of polymer solid alloy was analyzed. 报道了高分子固体合金的研究现状。
- Test Method for Dilute Solution Viscosity of Polymers (08. 高聚物的稀释溶液粘度的试验方法(08。
- EHC polyurethanes belong to a group of polymers called elastomers. 依合斯聚氨酯产品属于弹性体。
- Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated. 研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应。
- Etherification of propylene oxide with methanol using MAF solid base catalyst had been investigated. 研究了甲醇与环氧丙烷在固体碱催化剂MAF存在下非均相合成丙二醇甲醚的过程。
- The catalysis of heteropolyacidic. salt on the etherification of diethylene glycol with ethanol was investisated. 研究了以杂多酸盐为催化剂,由乙醇和二甘醇合成二甘醇乙醚的反应过程。
- PVC extender resins are a series of polymer compounds. 聚氯乙烯(PVC)掺混树脂是一类多品种系列化产品。
- Here introduced are the properties of DIPE, its blending rating as well as the developing manufacturing method by direct catalytic hydration and etherification of propyiene. 介绍了DIPE的性质,与汽油的调合性能及其正在开发的丙烯直接催化水合醚化生产DIPE的方法。
- This paper investigated the synthesis of diisopropyl ether by direct etherification of propylene and isopropanol in an industrial reactor on thousands ton scale. 本文考察了千吨级工业装置异丙醚的醇烯法合成,探讨了反应的主要工艺参数对反应结果的影响,确定了异丙醚合成的优化操作条件。
- Hydrolysis of polymers if often catalyzed by traces of acids or bases. 正和它们的低分子量的类似物一样,微量的酸或碱常能促进聚合物的水解。
- The etherification of starch and chloroacetic acid under alkalinity condition was introduced and the high substitution carboxyl methyl starch was prepared in this paper. 用淀粉与氯乙酸在碱性条件下发生醚化反应制备了较高取代度羧甲基淀粉。
- The etherification of isoamylenes and methanol to form tert ayl methyl ether (TAME) by benzl-sulfonic acid cation exchange resin as catalyst, was sudied. 研究了苯磺酸型树脂催化的异戊烯和甲醇的醚化,考查了温度、醇烯比和空速对反应的影响。
- The primary purpose of this book is to present a fundamental approach to stabilization of polymers. 本书的主要内容是介绍聚合物稳定化的基本方法。
- Abstract: Propylene alcohol ethers is one of the fine chemicals with many uses and lower toxicity,which is widely studied now.The research progress on the catalysts in the etherification of propylene oxide with alcohol was reviewed in this paper. 文摘:丙二醇醚是一种低毒用途广泛的精细化学产品;目前国内外对其生产工艺与催化剂的开发广为关注.;本文作者较为系统地概述了国内外有关合成丙二醇醚催化剂的研究现状
- This paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin, which is an effective triphase catalyst. 本文首次报道一种新的高分子固载季铵树脂的合成及其在水解、成醚反应中的应用,此树脂是一种有效的三相催化剂。
- Hydrolysis of polymers, as with their low-molecular weight analogs, is often catalyzed by traces of acids or bases. 和它们的低分子量的类似物一样,微量的酸或碱常能促进聚合物的水解。
- The researchers discovered a group of polymers, so-called muco-adhesives, that are suitable for this. 研究者发现了一群号称高分子材料的黏膜黏着剂,它是适合于这种装置的。
- How can I persuade you of my sincerity? 我如何能够让你相信我的诚意?