苯丙烯酸

The experiment results showed that the optimum reaction condition were as follow: the molar ratio of acrylic acid to octadecyl alcohol was 1.2:1, the amounts of solid super acid and hydroquinonone were 6.0% and 0.8% respectively, reaction temperature and time were 120℃ and 3h. In this condition, the percentage of esterification of octadecyl acrylate was 97%.

由实验得出的最佳合成条件是：丙烯酸与十八醇的摩尔比为1.2：1，固体超强酸及对苯二酚的质量分数分别为6%，0.8%，反应温度为120℃，反应时间为3 h，在此反应条件下，酯的产率可达97%。

The production was further verified with IR.The experiment results showed that the optimum reaction condition were as follow:the molar ratio of acrylic acid to octadecyl alcohol was 1.2∶1,the amounts...

由实验得出的最佳合成条件是：丙烯酸与十八醇的摩尔比为1.2∶1，固体超强酸及对苯二酚的质量分数分别为6%，0.8%，反应温度为120℃，反应时间为3 h，在此反应条件下，酯的产率可达97%。

Two new active esters of acrylic acids monomers, N-p-acryloxybenzoyloxy succini-mide and N-p-methacryloxybenzoyloxy succinimide have been synthesized and polymerized.ABOSu and MBOSu were prepared by coupling of p-acryloxybenzoic acid or p-methacryloxybenzoie acid with N-hydroxy succinimide in the presence of dicyclohexylcarbodimide.

新的丙烯酸活性酯，N-(对甲基丙烯酰氧苯甲酰氧基)丁二酰亚胺及N-丁二酰亚胺单体分别由对甲基丙烯酰氧基苯甲酸、对丙烯酰氧基苯甲酸与N-羟基丁二酰亚胺在环已基羰二亚胺存在下经偶联反应合成。

A series of UV curable waterborne hyperbranched polyester s with different acid/amine terminal rate,which contained -OH?-COOH and methacrylic chain end groups,and were partly neutralized with thertiary amine,were synthesized from trimellitic anhydride,epichlorohydrin,glycidyl methacrylate and triethylamine.

以偏苯三酸酐、环氧氯丙烷、甲基丙烯酸缩水甘油酯、三乙胺合成了末端羧基与氨基不同比例的一系列可UV固化的高支化聚酯，研究了末端官能团对合成产物水溶性、粘度以及凝胶转化率的影响。

Using tetrabutyl titanate and methyl methacrylateor 2-Hydroxyethylmethacrylate (HEMA as materials, methacryloxylpropyl trimethoxy siliane as coupling agent, HCl as catalyst, Poly-titania（PMMA－TiO2） nanocomposites and Poly-titania（PMMA－TiO2） nanocomposites were synthesized by sol-gel process.

以盐酸作为催化剂，将钛酸四丁酯水解制备二氧化钛（TiO2）溶胶；随后将所制备溶胶与甲基丙烯酸甲酯、硅烷偶联剂（γ－甲基丙烯酰氧丙基三甲氧基硅烷）相混合，以过氧化苯甲酰作为引发剂，经过聚合、缩合和溶胶-凝胶过程，制备了均匀透明的PMMA-TiO2纳米复合材料和PHEMA－TiO2纳米复合材料。

New compounds of the type of unsymmetrically substituted ureas are synthesized by a series of reactions of preparing organic isocyanates by Curtius rearrangement with aromatic amine.

以3 苯基 2 丙烯酸为原料，用Curtius重排的方法合成异氰酸酯，直接与芳香胺作用，合成了5 种N 取代苯基 N′苯丙烯基脲类化合物。

The polymer particles were prepared by copolymerization of phthalic aldehyde, allyl mercaptan and ethylene glycol dimethacrylate after heating. The fluorescence intensity of the polymer particles was very weak.

利用邻苯二甲醛与烯丙基硫醇、乙二醇二甲基丙烯酸酯在偶氮二异丁腈引发下热聚合制得了一种新型聚合物颗粒。

Through a study of the corrosion inhibition by polyarcylic acid and dodecylbenzyldimethyl ammonium bromide for pure iron in HCl solution, this paper presents the development of a new method not only for the rapid evaluation of the efficiency of a corrosion inhibitor, but also for the quantitatively determination of the type of corrosion inhibitor.

研究了聚丙烯酸、苯扎溴铵在工业纯铁／盐酸体系中的缓蚀性能，推导了一种既能快速测出腐蚀缓蚀剂的缓蚀效率又能确定腐蚀缓蚀剂类型的新方法，定义了能够确定腐蚀缓蚀剂类型的因子P。

Anion exchange resin ; glycidyl methacrylate ; divinylbenzene ; porogenic diluent ; exchange capacity

阴离子交换树脂；甲基丙烯酸缩水甘油醚；二乙烯基苯；致孔剂；交换容量

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新