丙烯酸

The advantage of this process is to directly obtain acrylate through catalytic reaction of acetic acid and methanol.

本技术以煤化工基础原料合成气的基础产品醋酸和甲醇，经过催化反应合成丙烯酸，工艺技术的特点是可直接获得丙烯酸或丙烯酸酯。

Acrylate monomer ratio was computed by Fox equation which was used to design the glass temperature of acrylate resin.

通过Fox方程设计丙烯酸树脂的玻璃化温度以确定各类丙烯酸单体的配比，对所得到的丙烯酸树脂性能进行了讨论分析。

At present, the common oligmer a acrylated epoxy, urethane acrylate and ployster acylate, etc.

目前，常用的齐聚物有环氧丙烯酸酯、聚氨酯丙烯酸酯和聚酯丙烯酸酯等。

Polyethylene glycol dimethacrylate, one of the fine chemical intermediates is the main ingredient of anaerobe. With the development of adhesives, the domestic production of polyethylene dimethacrylate has been challenged from many aspects, therefore, to improve the production technics and yields has been the key problem to resolve at present.

缩乙二醇双甲基丙烯酸酯——精细化学品中间体之一，作为胶粘剂中厌氧胶的主剂，在胶粘剂日益发展的今天，国内的缩乙二醇双甲基丙烯酸酯生产受到了很多方面的挑战，因此，改进生产工艺，提高产率是目前缩乙二醇双甲基丙烯酸酯生产首要解决的问题。

In the determination of methyl acrylate,butyl acrylate and methyl methacrylate in ambient air,the sample was absorbed with active carbon and resolved with carbon bisulfide,and then determined by GC.

测定环境空气中的丙烯酸甲酯、丙烯酸丁酯和甲基丙烯酸甲酯时，气样采用活性炭吸附，用二硫化碳解析，直接进气相色谱仪检测，根据保留时间定性，外标法定量，能获得良好的线性和较低的方法检出限，不仅精密度、灵敏度和重复性良好，而且可操作性强，易于在环境监测系统中推广。

In the determination of methyl acrylate,butyl acrylate and methyl methacrylate in ambient air,the sample was absorbed with active carbon and resolved with carbon bisulfide,and then determined by GC.After the qulitation by retention time and quantitation by external standard method,the good linearity and low detection limit were got.

测定环境空气中的丙烯酸甲酯、丙烯酸丁酯和甲基丙烯酸甲酯时，气样采用活性炭吸附，用二硫化碳解析，直接进气相色谱仪检测，根据保留时间定性，外标法定量，能获得良好的线性和较低的方法检出限，不仅精密度、灵敏度和重复性良好，而且可操作性强，易于在环境监测系统中推广。

The side-chain liquid crystal polymacrylate was synthesized by free radical polymerization form the acrylate monomer which was generated from p-hydroxy benzoic acid, ethylene chlorohydrin and acrylic acid by etherification, esterification and chloration.

以对羟基苯甲酸、氯乙醇和丙烯酸为主要原料，经醚化、酯化和酰氯化反应合成了中间体和含液晶基元的丙烯酸酯单体，后者经自由基聚合合成了聚丙烯酸酯侧链液晶聚合物。

Acrylic-oil, acrylic cool are commonly used such as acrylic paint, clear acrylic via ethhyl and butylacralate, in the resin introduction of hydroxyl and carboxylated to aminosulfonic cross-linkers gubernacular as a tree.

丙烯酸型平油，凡是拔取羟基丙烯酸酷如丙烯酸不纬乙酯和丙烯酸共聚，在树脂洋引进羟基和羧基，以氨基树胎作为接联剂。

A photosensitive resin for UV curing acrylic powder coating has been synthesized by esterification of methacrylic acid and GMA-type acrylic resin at the presence of ethyl acetate as solvent, tetramethylammonium chloride as catalyst, YK as inhibitor.

以醋酸丁酯为溶剂，四甲基氯化铵为催化剂，氮氧自由基为阻聚剂，由甲基丙烯酸缩水甘油酯类丙烯酸树脂与甲基丙烯酸酯化反应制得了UV固化粉末涂料用感光性丙烯酸树脂。

MaterialsMethylmethacrylate, ethyl acrylate, acrylic acid and methacrylic acid (all A.R. grades, FirstChemical Reagent Factory, Tianjin, China) were puried bydistillation under reduced pressure and kept in therefrigerator.

物料甲基丙烯酸甲酯，丙烯酸乙酯，丙烯酸和甲基丙烯酸（所有机场铁路等级，第一化工试剂厂，天津，中国）的纯化减压蒸馏和留在refrigerator。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。