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A hybridized material consisting of polyacrylic acid and kaolin is found to have high water absorbent performance.This polymer/inorganically hybridized material is synthesized by polymerization and cross linking reaction.

在高岭土存在下,以 N,N-亚甲基双丙烯酰胺作交联剂,以过硫酸钾作引发剂,部分中和的丙烯酸单体进行聚合交联反应,合成高聚物/无机杂化高吸水性材料。

Mix PAA and PVP to their physical mixture and prepare the PAA/PVP interpolymer complexes by solvent evaporation method.

采用自由基溶液聚合方法制得聚乙烯吡咯烷酮和聚丙烯酸均聚物。

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。

The corrosion and the mechanism of corrosion resistance of steel products have been introduced in this paper,and the research on the corrosion resistance of the super-thin intumescent fire coatings for steel structures ,which are with both high fire performance and insulation and good corrosion resistance and with the resin of crylic acid as the substrate,is mainly included.

介绍了钢材的腐蚀及防腐机理,研究了以对丙烯酸树脂进行复合改性为基料,研制出的一种既具有高效防火隔热性能,又具有优异防腐蚀性能的超薄膨胀型钢结构防火涂料的防腐性能。

The performance of this catalyst for the cross-coupling reaction of iodobenzene with acrylic acid was studied.

研究了该催化剂对碘代苯与丙烯酸交叉偶联生成反式-肉桂酸的催化性能。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied

研究了该催化剂对碘代苯与丙烯酸乙酯反应的催化性能及循环使用性能。

The Effect of different reaction conditions (solvent, reaction temperature, molar ratio of iodobenzene and acrylic acid, kind and amount of base, amount of catalyst, reaction time) on the yield was investigated. The suitable condition of the reaction was obtained.

考察了不同反应因素(溶剂、温度、原料比、缚酸剂及其用量、催化剂用量、反应时间)对反应的影响,确定了该催化剂对碘代苯与丙烯酸交叉偶联生成反式-肉桂酸的适宜反应条件。

The complex was characterized by FT-IR, XRD, BET, SEM and EDS. The resin-supported catalyst exhibited high catalytic activity in the Heck reaction and could be reused up to 17 times in NMP or 16 times in DMF at 90 ℃ in the Heck reaction of iodobenzene with acrylic acid.

该负载型催化剂对Heck反应表现出高的催化活性和很好的重复使用性能,于90℃的碘苯与丙烯酸的Heck反应中,在NMP溶剂中能重复使用17次,在DMF溶剂中能重复使用16次。

The novel catalysts of Cu supported on ZnO, MgO modified with KF were prepared by the conventional impregnation method, and applied for the first time to the Heck reactions of iodobenzene with n-butyl acrylate as a model reaction.

KF水溶液浸渍MgO或ZnO载体为改性载体制备了负载铜催化剂,以卤苯与丙烯酸正丁酯的反应为模型,考察了对Heck反应的催化性能。

Its catalytic performance for Heck arylation of acylic acid with iodobenzene shows that the catalyst has catalytic activity and regioselectivity for the synthesis of trans-phenylacrylic acid.

结果表明该催化剂具有较高的催化活性和立体选择性,可高转化率、高产率地合成反式苯丙烯酸;通过简单的过滤、溶剂洗涤回收催化剂,并能多次重复使用。

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