甲基丙烯酸甲酯

Ninth Five-Year Plan period, the Company conducted a medical intermediates of the pre-development and market research, the introduction of the development of superior strength skin, crotonic acid, crotonic anhydride and other products; also produced 3,3 dimethyl methacrylate, antibiotics raw material products, as well as more than 20 kinds of iso-vanillin and other pharmaceutical intermediates.

九五期间，本公司进行了医化中间体的前期开发和市场调查，引进开发了优力肤、巴豆酸、巴豆酸酐等系列产品；还生产了3，3二甲基丙烯酸甲酯、抗生素原料药系列产品以及异香兰素等二十多种医药中间体。

In this thesis, the polymerization of triblock copolymer of styrene-butadiene-methyl methacrylate was carried out in glass flask ,with n-BuLi as initiator, 1,1-diphenylethylene as capping agent and Lithium 2(2-methoxyethoxy) ethoxide as additive.

本论文以n-BuLi为引发剂、1，1-二苯基乙烯为戴帽剂、2-(2-甲氧基乙氧基)乙氧基锂为添加剂，对玻璃聚合瓶中非极性-极性三嵌段共聚物聚苯乙烯—聚丁二烯—聚甲基丙烯酸甲酯的合成进行了研究。

This article reports a new kind of copolymer, non polar polar terpolymer : poly(styrene-butadiene-methyl methacrylate ) P(S-b-B-b-MMA prepared by anionic polymerization with n BuLi as initiator, 1,1 diphenylethylene as capping agent and lithium 2-(-methoxyethoxy) ethoxide as complex agent.

以正丁基锂为引发剂， 1 ，1-二苯基乙烯为戴帽剂， 2-(2-甲氧基乙氧基)乙氧基锂为络合剂，在环己烷、四氢呋喃混合溶剂中，采用阴离子聚合法，于－70℃～－40℃合成了非极性-极性的三嵌段共聚物聚苯乙烯-聚丁二烯-聚甲基丙烯酸甲酯，并借用GPC、1H-NMR、DSC、TEM、IR等仪器对共聚物进行了表征。

To present a technique for automatic generation of patient specific computational fluid dynamics models for intraosseous PMMA cement flow simulation.

目标：我们的目标在于展示一种技术，这种技术可以用来分析患者骨内聚甲基丙烯酸甲酯黏合剂流通假体的特殊计算机流体力学模型。

Use the method that the article determines to authority is worth, methylic to synthesis acrylic acid the course of two kinds of chemical industry of armour ester, namely different butene law (I-C4) and propylene law (C3) undertook green spends evaluation and analysis, make clear I-C4 law course more green.

采用本文确定权值的方法，对合成甲基丙烯酸甲酯的两种化工路线，即异丁烯法(i-C4)和丙烯法(C3)进行了绿色度评价和分析，表明i-C4法路线更为绿色。

Synthesized ethylene - laborious Xi copolymer and methylic acrylic acid armour ester - propylene nitrile - the graft copolymer of styrene .

梗概： 合成了乙烯-辛烯共聚物和甲基丙烯酸甲酯-丙烯腈-苯乙烯的接枝共聚物。

Under Multislice helical CT guidance, 2.5-5 mL of polymethylmethacrylate mixture （ratio of polymer, moner, ultrafluid iodinated oil was 20 g : 10 mL : 3 mL） had been injected into pathologic pedicles step by step after successful puncture using 13G needle.

在CT引导下，用13G针穿刺到椎弓根，将聚甲基丙烯酸甲酯粉剂、液态单体及超液态碘化油按20g：10mL：3mL的比例配制，当骨水泥呈膏状时，分步注入骨水泥约2.5～5mL。

The blend polymer electrolyte consisting of polyvinylidene fluoride-co-hexafluoropropylene P and poly was prepared by this method.

所研究的混合型聚合物为聚和聚甲基丙烯酸甲酯的混合物。

Structure and property of polyvinylidene fluoride/polymethylmethacrylate composite membranes from melt-extrusion were investigated.

探讨了聚偏氟乙烯/聚甲基丙烯酸甲酯共混挤出流延膜的结构和性能。

The research of polymer/layered silicate nanocomposite was introduced detailedly, including the classify, property and the latest research advance. On the basis of consulting the document and the exploratory experiment, the experimental method which first creative preparing poly (acrylonitrile-vinyl acetate)/raontmorillonite nanocomposite by emulsion intercalation copolymerization was established; the structure and property of polyacrylonitrle different molecule weight with inorganic mineral super fine nanocomposite was reseached. The reaction principle of PMMA by photo-initution was explored. The mixture principle with productor condition, property of PE/Clay nanocomposite milt insert was seal prived. By PS/Clay nanocomposite munufacture, the monomer ins-polymerization and polymerial solution was proved.

在查阅文献和探索性实验的基础上，确定采用乳液原位插层聚合方法首先创制了聚/蒙脱土纳米复合材料，利用正交实验得出了最佳实验条件，通过X射线衍射和红外光谱对纳米复合材料的结构进行表征，研究了复合材料的溶解性能，并测定了其溶液的绝对粘度；研究了不同相对分子质量的聚丙烯腈与不同的无机矿物超细粉复合材料的结构与性能；探讨了在蒙脱土中光引发聚甲基丙烯酸甲酯的反应机理；通过聚乙烯与粘土的纳米复合材料制备，探讨了热塑性树脂熔融插层复合机理与最佳工艺条件和复合材料性能关系；通过聚苯乙烯与蒙脱土纳米复合材料制备，验证了单体原位聚合插层和聚合物溶液插层机理。

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。