丙烯酸

A novel type of amphiphilic tri-block copolymers with both pH and temperature sensitiveness: poly-poly (dimethylamino ethyl methacrylate)-poly (ε-caprolactone)(PEG-PDMAEMA-PCL) was synthesized via sequential oxyanionic polymerization of macro-molecular: PEG, with a hydroxyl at one end, and dimethylamino ethyl methacrylate andε-caprolactone, with the potassium naphthalene as the initiator.

在本文中，报道了一类新型的兼具pH和温度敏感的双亲性嵌段共聚物：聚乙二醇-聚甲基丙烯酸N，N-二甲氨基乙酯-聚己内酯(PEG-PDMAEMA-PCL)及聚甲基丙烯酸N，N-二甲氨基乙酯-聚己内酯(PDMAEMA-PCL)的制备；并利用动态光散射和氢核磁共振光谱(~1H NMR)对该嵌段共聚物的水溶液性质进行研究；在此研究结果的基础上，初步探讨了其在仿生物矿化中的应用。

He best reaction conditions of TMAA were as follows: p-benzenediol as the polymerization inhibitor and the amount 1% of acrylic acid, reaction temperature 180 ℃,reaction time 3 h, raw material mass ratio of methyl eleostearate /acrylic acid 1:0.247 and the yield of TMAA was 85%.

MAA的最佳合成条件为：反应温度180℃，反应时间3 h，桐酸甲酯和丙烯酸的质量比为1：0.247，阻聚剂对苯二酚的加入量为丙烯酸质量的1%，产率为85%。

In order to research the influence of polyaniline on acrylic anticorrosive coating, the polyaniline/acrylic anticorrosive coating that the mass rate of emeraldine base form of polyaniline in coating was 0%, 1.5%, 3%, 5%, 10% were prepared, and theirs anticorrosive performance in 3.5% NaCl solution was studied by Tafel and EIS.

为了研究本征态聚苯胺对丙烯酸涂层防腐性能的影响，制备了本征态聚苯胺质量分数分别为0%，1%，3%，5%及10%的聚苯胺／丙烯酸防腐涂层，应用Tafel极化曲线和电化学阻抗谱方法对比了其在3.5% NaCl溶液中的防腐性能。

OBJECTIVE: To observe the biocompatibility and fibrovascular condition of methl-methacrylate modified PHEMA hydrogel orbital implant.

目的：观察通过甲基丙烯酸改性聚甲基丙烯酸β羟乙酯水凝胶义眼台的生物相容性和纤维血管化情况。

The technological conditions with methylacrylic acid and hexadecanol as raw-material and the synthesis of hexadecyl methylacrylate by direct-esterification are studied.

研究了以α-甲基丙烯酸和十六醇为原料采用直接酯化法合成α-甲基丙烯酸十六酯的工艺条件。

Aniline-BP was used as CTC system to initiate the polymerization ofMMA under UV irradiation, PMMA prepolymer with aromatic imino endgroup was prepared.

以苯胺-BP为CTC体系，在紫外光辐射下，引发甲基丙烯酸甲酯聚合，得到了含有芳亚胺端基的聚甲基丙烯酸甲酯预聚物。

In the polymerization procedure,S--α-phenyl ethylamine was used as target template molecules,methacrylic acid was selected as functional monomers, ethylene glycol dimethacrylate or divinylbenzene as crosslinker, azobisisobutyronitrile or benzophenone was used as irritator.

以S--α-苯乙胺为模板，甲基丙烯酸为功能单体，分别以二甲基丙烯酸乙二醇酯、二乙烯基苯为交联剂，偶氮二异丁睛或二苯甲酮为引发剂，采用了本体聚合法、悬浮聚合法合成了一系列的S--α-苯乙胺印迹聚合物。

In this paper, triglycidyl isocyanurate acrylate which used as oligomer in UV coating was synthesized by the reaction of triglycidyl isocyanurate with acrylic acid.

以三异氰尿酸酯作为树脂基体，经丙烯酸加成酯化，得到了三官能团环氧丙基异氰尿酸丙烯酸酯。

The cure reactions of ternarysystem containing poly, poly and HDI isocyanurate, and the effect of the ratio ofPGA/POH on the thermal, mechanical and surface properties of curedresin have also been examined.

本文还研究了聚丙烯酸环氧丙酯、聚丙烯酸羟丙酯和六亚甲基二异氰酸酯三聚体的反应及三元反应体系中PGA／POH的不同比例对交联后树脂的热性能、力学性能及表面性能的影响。

In ternary system of PGA/POH and HDI isocyanurate, there are twomain reactions: one forms urethane at 30-50℃, the other producesoxazolidone at 140-165℃.

聚丙烯酸环氧丙酯（PGA、聚丙烯酸羟丙酯（POH和HDI三聚体的三元反应体系中，醇羟基与异氰酸酯在30-50℃下反应可生成氨酯，环氧基团与异氰酸酯在140-165℃下反应生成噁唑烷酮。

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。