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。
The influences of catalyst, solvent, temperature and raw material on the yield of TPP are investigated. The yield of TPP increases from 30.0% to 49.5%.
研究了催化剂、溶剂、温度、原料等因素对四苯基卟啉收率的影响，收率由30.0％提高到49.5％。
Linear alkylbenzenes are important raw materials for the synthesis of washing agent and it is synthesized from the alkylation of benzene with long-chain alkene in the presence of an acid catalyst.
长链烷基苯是合成洗涤剂的重要原料，是由苯与长链烯烃在酸性催化剂作用下烷基化反应生成的。
Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.
利用酯化反应基本原理，以丙三醇和醋酸在催化剂的作用下进行酯化反应，经脱水、减压精馏得甘油三醋酸酯产品。
Calcium ammine catalyst was prepared with metal calcium, dehydrated liquid ammonia as raw materials, nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.
采用金属钙、脱水液氨、载体纳米二氧化硅及改性剂乙腈与环氧丙烷制备出氨钙体系催化剂。
The conjugated linoleic acids (CLA) were prepared by alkali isomerization with KOH as catalyst, butyl alcohol as solvent and suaeda salsa seed oil as raw material.
采用KOH为催化剂，正丁醇为溶剂，碱蓬籽油通过碱性异构化反应制备共轭亚油酸(CLA)。
With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material.
利用钢铁厂平炉尘制备中温变换催化剂，制备成本低，工艺简单，活性达到部颁标准，具有明显的经济效益。
The effects of the feed ratio of raw materials, reaction temperature and the dosage of catalyst, etc factors on the new synthesis process of brominated epoxy resin for copper clad panel were studied.
研究了原料配比、反应温度、催化剂等因素对覆铜板专用溴化环氧树脂合成新工艺的影响。
The influences of temperature, time, catalyst and the molar ratio of raw materials on the yield of the product were studied.
通过实验考察了反应温度、催化剂用量、反应时间及物料配比等因素对反应的影响。
The influence of temperature, reaction time, catalyst and the molar ratio of raw materials on the yield of the product were studied.
通过实验，考查了催化剂用量、反应时间、反应温度及物料配比对反应的影响。
The amine-modified polyether KL-1 sewage disposal agent was prepared with organic alcohol containing 1 ~ 4 hydroxy, epoxy chloropropane, organic amine as raw materials by catalyst.
以含1 ~4个羟基的有机醇、环氧氯丙烷和有机胺为原料，在催化剂作用下聚合成有机胺改性聚醚(KL - 1)污水处理剂。
The main effects of conditions in synthesis including reaction temperature, molar ratio of raw material, kinds of catalyst were examined.
讨论了合成反应过程中的主要影响因素：反应温度、原料摩尔比、催化剂品种等。
Taking corn starches as raw material, sodium tripolyphosphate as esterifying agent and carbamide as catalyst, high-viscosity phosphate starch is prepared by semidry process.
以玉米淀粉为原材料、三聚磷酸钠为酯化剂、碳酰二胺为催化剂，半干法制备了高粘度磷酸酯淀粉。
The green catalytic processes include new catalyst materials, supercritical fluid technology, new reactor technology, clean raw material route, and utilization of renewable resources, etc.
其中主要包括基于新催化材料、超临界流体技术、新反应器技术、清洁原料路线以及再生资源利用等。
Under the action of acid catalyst, the pitch resin was synthesized by using aromatic hydrocarbon enriched raw material from FCC slurry.
以催化裂化油浆富芳烃馏分为原料，在酸性催化剂的作用下合成了沥青树脂。
Effects of the impurity of raw materials, reaction temperature and catalyst on the chlorination and hydrolysis are studied mainly.
重点考察了原料中杂质及温度等对氯化反应的影响和温度、催化剂对水解反应的影响。
Progress in raw material route, catalyst used and new process of methanol synthesis have been summarized respectively.
综述了甲醇工业在原料路线、催化剂、新工艺开发等方面的进展。
Iso-ditridecylamine was synthesized by using iso-tridecanol and ammonia as raw materials and metal oxides as catalyst .
以异构十三醇和氨气为原料，采用金属氧化物为催化剂合成了异构双十三胺。
The effect of raw material ratio, esterification time, the quantity of the catalyst and reuse of catalyst on esterification rate was discussed.
讨论了原料配比、酯化时间、催化剂用量及其重复使用次数对酯化率的影响。
As a raw material need in large quantity in oil refining chemical enterprise, catalyst 's price fluctuation is one of factors to influent product cost.
催化剂作为炼油化工企业大量需求的原料，其价格的波动是影响产品成本的因素之一。
The quality of polypropylene meets customerment, and consumption of raw material is far less than using CS-1 catalyst.
聚丙烯产品指标满足用户需要的同时，原料消耗大大低于使用CS - 1型催化剂；
A new method related to the carbonylating synthesis of 3,5-dimethylbenzaldehyde was studied using o-xylene and CO as the raw materials and anhydrous AlCl3 as the catalyst.
采用邻二甲苯和一氧化碳为原料、无水三氯化铝为催化剂，对3，5-二甲基苯甲醛的羰基化合成反应进行了研究。
A new process to synthesize choline chloride by using macroporous strong basic anion-exchange resin as catalyst and chloroethanol and trimethylamine as raw materials is introduced.
研究了以大孔强碱阴离子交换树脂为催化剂，氯乙醇和三甲胺为原料，合成氯化胆碱的新工艺。
Diethyl fumarate was synthesized with fumaric and alcohol as raw materials and sodium acid sulfate as catalyst.
以富马酸和乙醇为原料，硫酸氢钠作催化剂合成富马酸二乙酯。
The influence factors such as reaction time, raw material ratio, amount of catalyst and toluene were investigated.
研究了适宜的反应时间、原料配比、催化剂用量以及携水剂对酯化反应的影响。
Tricresylphosphate was synthesized under the function of phase transfer catalyst, based on the raw materials of sodium cresol and phosphorus oxychloride.
以甲酚钠和氧氯化磷为原料，在相催化剂的作用下，合成三甲苯磷酸酯。
The orthogonal design was utilized to study the hexadecyl acrylate synthesis by microwave irradiation using acrylic acid and hexadecyl alcohol as raw materials and toluene-p-sulfonic acid as catalyst.
利用正交设计法研究由丙烯酸和十六醇为原料，对甲苯磺酸为催化剂，采用微波加热法合成丙烯酸十六酯。
The condensation two-component RTV-2 silicone rubber was prepared by taking 107 silicone rubber as the main raw material, TEOS as the cross-linking agent, and organic tin as catalyst.
以107硅橡胶为主要原料，正硅酸酯类为交联剂，有机锡类为催化剂，配制了缩合型双组分室温硫化(RTV - 2)硅橡胶。
In this article, some new routes for catalyst, process, options of raw materials in synthesis techniques of pentafluoroethyl iodide are briefly described.
简要介绍了全氟乙基碘合成技术中催化剂、工艺方法、原料路线等方面的进展。
In this article, some new routes for catalyst, process, options of raw materials in synthesis techniques of pentafluoroethyl iodide are briefly described.
简要介绍了全氟乙基碘合成技术中催化剂、工艺方法、原料路线等方面的进展。
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