The temperature and time of alcoholysis and polycondensation were discussed.
讨论了醇解和缩聚的温度及时间等因素。
It is generally noted that hydrolysis or alcoholysis of phosphorus heterocycles are favoured over aminolysis.
一般来说,含磷杂环化合物的水解反应和醇解反应较氨解反应容易发生。
ChloroaceWl chloride, transformed into ester by alcoholysis with ethanol, was quantitatively analyzed by gas chromatography.
氯乙酰氯用乙醇醇解转化成酯,进行气相色谱法定量分析。
The degrading mechanism of polyester (PET) was studied, and practicable process of PET degradation is found to be alcoholysis.
探讨了聚酯(PET)废料的解聚机理,确定其合理解聚方法为醇解。
The effect of the reaction time, temperature, the concentration of reactant and catalyst on the alcoholysis process were investigated.
分析了催化剂、醇解温度、反应物浓度等对醇解度的影响。
The influence factors of alcoholysis, such as the concentration of water and KOH, reaction temperature and time on the alcoholysis degree are investigated.
研究了醇解液中水含量、KOH含量和反应温度、反应时间等参数对醇解度的影响。
Fluticason propionate(1) in overall yield of 60.1% was synthesized from Flumethasone by oxidation, esterification, acylation, alcoholysis and fluoromethylation.
以双氟美松为原料,经氧化、酯化、酰化、醇解和氟甲基化反应制得氟替卡松丙酸酯(1),总收率60。
Transparent polyester varnish is prepared through alcoholysis, esterification, condensation polymerization and et al with waste polyester drink bottles as materials.
叙述了以废聚酯饮料瓶为原料,经过醇解、酯化以及缩聚等工艺过程,制成透明聚酯清漆。
Polyurethane foam wastes were recycled by alcoholysis with 1, 2-propanediol. Polyol and amine compound were gained. Polyol compound was analyzed by infrared spectrum.
以1,2-丙二醇醇解废旧聚氨酯得到多元醇混合物和胺类化合物,红外光谱法分析了多元醇混合物。
The kinetics and influencing factors of alcoholysis reaction were described in the paper. Application of alcoholysis reaction on synthesis of fatliquor was given also.
本文介绍了醇解反应的动力学、影响醇解反应收率的因素以及醇解反应在合成加脂剂方面的应用。
Melting temperature of the modified PVA indicated that the melting temperature of PVA with the alcoholysis of 88 % increased with the increasing of the molecular weight.
改性pva塑化温度的研究表明,醇解度为88%的PVA,随相对分子质量的增加塑化温度升高。
A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.
设计了以国内生产的间甲酚为原料,经过乙酰化、氯化、再酯化和醇解等四步合成间羟基苯甲醇的合成路线。
Chapter 2 is the preparation of hybrid (inorganic-organic) positively charged membranes via alcoholysis reaction and amination processes of silicone and titanate coupling agents.
第二章介绍了由硅钛偶联剂的醇解和胺化过程制备荷正电杂化膜。
Plasticizer DOTP was prepared from ethylene glycol residue (major component is PET low polymer) using single step process in which alcoholysis and ester interchange were combined.
以聚酯生产中产生的下脚料——乙二醇残渣(主要含PET低聚物)为原料,采用辛醇合并醇解、酯交换一步法工艺,合成了增塑剂DOTP。
The method of preparing antioxidant DLTP directly by alcoholysis of thiodipropionetrile is dealt with, and the optimal conditions are given. The conversion of lauryl alcohol is 98%.
讨论了利用硫代二丙腈直接醇解合成抗氧剂DLTP的方法,筛选出了最佳反应条件。醇转化率98%。
The combined Fatliquor LWF is prepared by methyl ester which was synthesized through the alcoholysis reaction and catalysised by anion layer and pillar materials with deteriorated oil.
以回收的变质油脂先制成精炼油脂,然后进行醇解反应制备脂肪酸甲酯,是一种很好的加脂剂原料,可以合成LWF结合型加脂剂。或进行醇解制备甘油单、双酯,然后制得硫酸化油加脂剂。
Ethylene vinyl alcohol (EVOH) copolymer is one of three largest barrier resins in the world. Its industrial production process comprises two steps, i. e. copolymerization and alcoholysis.
乙烯-乙烯醇共聚物(EVOH)是目前世界三大阻隔树脂之一,工业生产可分为聚合、醇解两步。
Ethylene vinyl alcohol (EVOH) copolymer is one of three largest barrier resins in the world. Its industrial production process comprises two steps, i. e. copolymerization and alcoholysis.
乙烯-乙烯醇共聚物(EVOH)是目前世界三大阻隔树脂之一,工业生产可分为聚合、醇解两步。
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