1) Sealed tube reactivity
封管反应
2) blocking reaction
封端反应
1.
A kind of waterborn polyurethane is synthesized by the reaction of diisocyanate with polyethylene glycol at the presence of end capping reagent;The factors that affect the blocking reaction and prepolymerization reaction were investigated.
以二异氰酸酯、聚醚多元醇为原料,利用二异氰酸酯和聚乙二醇在封端剂的存在下合成了一种水性聚氨酯;探讨了影响预聚反应和封端反应的因素。
2.
The blocking reaction between Phenol and Hexa-diisocyanate with toluene as solvent has been studied.
以苯酚为封端剂,甲苯为溶剂对六亚甲基二异氰酸酯(HDI)进行了封端反应。
3.
The blocking reaction between diethylene Glycol monoethylether and toluene 2,4 diiso cyanate (TDI) has been studied.
对二乙二醇乙醚与 2 ,4 甲苯二异氰酸酯 (TDI)的封端反应进行了研究 ,探讨了温度、催化剂及溶剂等对封端反应的影响。
3) blocking reaction
封闭反应
1.
The blocking reaction between phenol and PAPI has been studied.
对苯酚与多亚甲基多苯基多异氰酸酯(PAPI)的封闭反应进行了研究,探讨了温度、溶剂及反应时间对封闭反应的影响,利用红外光谱分析手段进行了表征。
2.
The blocking reaction influence factors such as solvent, ratio, promote agent, reaction temperature and time, and pH etc.
着重讨论了溶剂、配比、促进剂、PH值、封闭反应的温度和时间等对封闭反应的影响。
3.
The effects of reaction temperature, ratio of amount of substance,polyurethane prepolymers on rate of blocking reaction of ethylene glycol monoalkyl ethers were studied.
本文讨论了反应温度,物质的量比和聚氨酯预聚体对乙二醇单烷基醚的封闭反应速度的影响。
4) capping reaction
封端反应
1.
allyl poly(oxyethylene oxypropylene) monol was firstly synthesized with allyl alcohol as initiator, then sodium methoxide methanol is added to convert the hydroxyl to sodium alcoholate group, methane chloride was added to carry out the methoxyl capping reaction, α allyl poly(oxyethylene oxypropylene) methyl ether was obtained by purifying.
以烯丙醇为起始剂 ,先合成了α 烯丙基齐聚氧化乙烯 氧化丙烯单醇 ;再加入甲醇钠溶液使聚醚的羟基转化为醇钠基团 ;加入一氯甲烷进行封端反应 ,经精制 ,得到α 烯丙基齐聚氧化乙烯 氧化丙烯甲醚。
5) end-capping reaction
封端反应
6) sealed reaction
密封反应
1.
Research was done on the influence of increasing acid volume,overcharge time and overcharge current on sealed reaction efficiency of sealed reaction VRLA battries.
研究了阀控铅酸蓄电池加酸量、过充电时间和过充电电流对密封反应效率的影响。
补充资料：管式反应器数学模型
分子式：
CAS号：
性质：管式反应器是物料在一个管状的设备中，在流动过程中进行反应的生产装置。表征其体系特性的参数包括沿管式反应器各点位置上的温度、压力、流速、组分等。以这些参数作为状态变量建立的数学模型即管式反应器的数学模型。
CAS号：
性质：管式反应器是物料在一个管状的设备中，在流动过程中进行反应的生产装置。表征其体系特性的参数包括沿管式反应器各点位置上的温度、压力、流速、组分等。以这些参数作为状态变量建立的数学模型即管式反应器的数学模型。
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