Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.
本文以马铃薯淀粉为原料,环氧丙烷为醚化剂,氢氧化钠为催化剂对低取代度羟丙基淀粉的制备工艺进行了研究。
Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.
用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外,还有烃类、环氧化物、卤代烷、丙酮、醇类等。
A new process of Hydration of propylene oxide to glycols was introduced.
采用反应精馏新工艺由环氧丙烷水合制丙二醇。
Propylene oxide is important material of organic chemistry industry.
环氧丙烷是一种重要的有机化工原料。
This is a novel, environmentally friendly and economical method for making propylene oxide without co-product.
这是环境友好、无联产品、经济合理的制环氧丙烷的新方法。
Chitosan was modified with propylene oxide in the presence of sodium hydroxide.
在碱性条件下用环氧丙烷对壳聚糖进行了改性研究。
Combining the practice from technology development of a propylene oxide project, systematic introduction is given to two technologies of simulation enlargement and stream heat recuperation.
结合环氧丙烷项目工艺技术开发的实践,对模拟放大和物流余热利用两项技术做了系统介绍。
The recent progress using titanium silicalite to catalyze propylene into Propylene Oxide was introduced.
评述了环氧丙烷的各种合成方法,介绍了钛硅沸石催化丙烯环氧化反应研究的近期进展。
At last, the catalytic mechanism of cycloaddition of propylene oxide with carbon dioxide is discussed.
论文最后对该催化剂在完成环加成反应过程中的催化机理进行了初步探讨。
Trimethylamine catalyzes the reaction of propylene oxide to polyethers, and causes the deactivation of TS-1.
碳酸钾使环氧丙烷选择性降低,三甲胺引起TS-1催化剂失活。
Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide.
引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构,并进一步影响其分子量和使用性能的重要因素。
In order to determine the proper ratio of center charge with propylene oxide fuel (RCF) and ignition delay time, corresponding experimental and numerical studies on fuel dispersal are carried out.
为了合理确定液体燃料环氧丙烷爆炸抛散比药量及点火延迟时间,进行了相关的实验与数值模拟研究。
Design and application of carbide slag in propylene oxide production were summarized.
总结了电石渣生产环氧丙烷工艺中的设计与应用。
Chitin modified with propylene oxide under alkaline conditions was described.
在碱性条件下用环氧丙烷对甲壳质进行了改性研究。
The epoxidation of propylene to propylene oxide, using cumene hydroperoxide as oxidant, molybdenum glycol complex as catalyst and ethanol as solvent, has been investigated.
研究了以钼醇配合物为催化剂,过氧化氢异丙苯为环氧化剂,乙醇为溶剂的丙烯一步氧化制环氧丙烷的反应。
The influence of reaction temperature and WHSV on conversion of propylene oxide is not appreciable.
反应温度和空速对环氧丙烷的转化率影响不大。
Here are some reasons why we don't allow cell phones in operating areas, propylene oxide handling and storage area, propane, gas and diesel refueling areas.
下面是一些原因,我们不允许在经营领域,环氧丙烷的处理和存储区域,丙烷,汽油和柴油加油区手机。
Specifically, Suggestions for the projects of clean coal, propylene oxide, methyl-carbonate, polyether, cumene, acrylonitrile, propylene glycol ether, etc. were proposed.
在洁净煤、环氧丙烷、碳酸二甲酯、聚醚、异丙苯、丙烯腈、丙二醇醚等项目方面提出了相应的建议。
Poly (propylene oxide-ethylene oxide) containing ether linkage was used to make complexes with stannic oxide sol, thus producing a kind of anti-static agent for nylon resins.
通过以含醚键的聚(氧化丙烯-氧化乙烯)为主体,与二氧化锡溶胶复合,制备了一类可用于尼龙的抗静电剂。
The catalysts are valuable for making propylene oxide from propylene and hydrogen peroxide.
对于从丙烯和过氧化氢制备环氧丙烷的反应而言本催化剂是很有价值的。
A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
The method has high propylene conversion rate and high propylene oxide selectivity; especially the effective availability of hydrogen is higher and the stability of activity is better.
该方法具有高的丙烯转化率和环氧丙烷选择性,尤其是氢气有效利用率更高,活性稳定性更好。
A study was made on synthesis of dimethyl carbonate with one step from supercritical carbon dioxide, methanol and propylene oxide over supported oxides.
以负载型氧化物为催化剂,研究了二氧化碳在超临界条件下,与甲醇和环氧丙烷一步合成碳酸二甲酯的反应性能。
The reaction of propylene with H2O2 catalyzed by TS-1 to prepare propylene oxide was carried out in an autoclave.
在高温高压反应釜进行TS-1/H2O2体系催化丙烯环氧化制备环氧丙烷的研究,首先确定反应体系的超临界相行为。
In order to deeply understand the technics of Polymerization of Propylene oxide and to provide theoretical operation basis for home manufactory.
为了深入了解环氧丙烷聚合工艺并为国内生产厂家提供生产操作的理论依据。
The influences of the factors, such as ethanol solution, sodium hydroxide, propylene oxide, reaction temperature, reaction time on apparent viscosity and water insoluble substance of HPG are studied.
研究了合成过程中乙醇溶液、氢氧化钠、环氧丙烷、反应温度、反应时间等因素对产品表观黏度和水不溶物含量的影响。
The TPD results of adsorbed propylene on Fe-Sb oxide catalyst have been compared with those on Mo-type oxide catalyst (C-41). It is believed tha…
比较了铁锑和钼系(C-41)两种氧化物催化剂上吸附丙烯后的程脱结果,并提出了丙烯在铁锑氧化物催化剂上的氧化机理。
A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。
A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。
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