缩水甘油

Nonlinear optical organic materials have more advantages than inorganic materials. Based on the molecule design, a new D-π-A structure NLO chromophore molecule [4-nitro-4'-N,N-di aminoazobenzene] 3 with nitro, azobenzene and epoxy is synthesized.

以环氧氯丙烷、苯胺、对硝基偶氮苯胺为原料，设计并合成了一种具有推拉电子结构、含双环氧基的偶氮类有机非线性光学发色团分子4-硝基－4'-N，N-二缩水甘油氨基偶氮苯。

Graft copolymerizaton of bleached eucalyptus pulp with glycidyl methacrylateusing a ceric salt initiator system was studied in detail.

研究了铈盐引发体系引发漂白化学桉木浆与甲基丙烯酸缩水甘油酯的接枝共聚。

Chapter four. Two glucosamide-based trisiloxane Gemini surfactants which were connected with the short carbon chain dialcohol diglycidyl ether spacer were synthesized and their properties were determined. These compounds were structurally characterized by their 1H and 13C NMR spectra and elemental analysis.

界面性能通过K12表面张力仪测定，在临界聚集浓度CAC为1一3、10一5时可以显著地降低水的表面张力值至约21 mN/m，比连接基为低碳链二缩水甘油醚的略低，其CAC值随着乙氧基数的增加而增加，其CAC值比相应的单体低1~2个数量级，而且有两个CAC值。

The results showed that MGM had good spherical shape and narrow size distribution,and the particles with diameters ranging from 0.13 mm to 0.28 mm were about 91 wt%.The surface hydrophilicity of Fe3O4 microcrystal was improved by formamide dispersing treatment.The gel particles made by the copolymerization of glycidyl methacrylate and N,N′-methylene bisacrylamide could encapsule Fe3O4 microcrystal to produce colloid cores,and uniform and stable MGM microspheres were formed by the conglomeration of the colloid cores.

结果表明，合成的MGM呈球形，且粒度分布较窄，粒径为0.13～0.28 mm的粒子占91%；甲酰胺分散Fe3O4，微晶表面的亲水性进一步增强，单体甲基丙烯酸缩水甘油酯和 N，N′亚甲基双丙烯酰胺交联共聚生成的胶粒能够包埋Fe3O4微晶形成胶核，胶核聚集形成均匀、稳定的MGM微球。

In the presence of alkalinity and tetraethyl ammonium bromide, 2,4-dihydroxy benzophenone reacts with allyl glycidyl ether to form an ethylenic derivative of benzophenone, 2-hydroxy-4-(β-hydroxy-γ-allyloxy) propyloxy benzophenone, which can further undergo hydrosilylation with polyhydromethylsiloxane.

在相转移催化剂四乙基溴化按作用下，利用2，4-二羟基二苯甲酮与烯丙基缩水甘油醚在碱性水溶液中的开环加成反应，合成了中间体4-丙氧基－2-羟基二苯甲酮，将其进一步与聚甲基氢硅氧烷进行硅氢化加成反应。

The optimal conditions for the target product were obtained: reaction temperature 110 ℃, reaction time 1.5 h, NaOH dosage 1.2 g,molar ratio 3:1(disproportionated rosin glycide ester: the hydroxyl group per D-glucose unit), microwave power 700 W.

目标产物的最佳合成条件：反应温度110℃，反应时间1.5 h，NaOH用量1.2 g，摩尔比3：1（歧化松香缩水甘油酯：葡萄糖单元中羟基数）及微波功率700 W。

The OH functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane

用缩水甘油、乙二醇，水或三羟甲基丙烷等改良剂，可控制聚醚的羟基官能团。

Synthesis of glycidol and epoxidized polyurethane and their characterization;2. Improvement in Hyperbranched Poly glycidol Hydroxyl Groups' Conversion by Protection Method;3. The structure of glycidol was confirmed by IR and 1HNMR.

以一氯代丙二醇为原料，与碱性化合物在低温作用下合成了缩水甘油，并通过IR、1HNMR对其进行了结构表征。

The OH functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane

可用缩水甘油，乙二醇，水或三羟甲基丙烷等改良剂，可控制聚醚的羟基官能团。

Ti-MWW is more attractive by a comparison with those conventional titanosilicates (TS-1,Ti-MCM-41,et al ) in the epoxidation of linear functionalized alkenes, on which the epoxidation of allyl alcohol to glycidol is one of the most industrial promising processes for benign reaction conditions, high yields of the product and environment friendly.

Ti-MWW 对线性官能烯烃的环氧化具有优良的催化性能，特别是对烯丙醇环氧化制缩水甘油的过程，其反应条件温和，产率高，且对环境友好而最具有工业应用前景。

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。