查询词典 methacrylate

Objective To observe the antibacterial of photocatalytic material on poly methyl methacrylate denture base with Ag-embedded nano-TiO2 in vitro.

目的：观察载银纳米二氧化钛树脂基托中二氧化钛光触媒的抗真菌作用。

The larger quantity of initiation, the higher conversion of methyl methacrylate.

引发剂用量增加， MMA 单体的转化率增大。

The grafted copolymer s of methyl methacrylate and CPE as the compotilizer of the PVC/CPE blends are discussed.

讨论了甲基丙烯酸甲酯与CPE的接枝共聚物体系对PVC－CPE体系的增容作用。

The result shows that ultrasonic can not initiate bulk polymerization of methyl methacrylate.

结果表明：该研究范围内，超声波不能直接引发 MMA 单体产生自由基，进行本体聚合。

Methyl methacrylate copolymer emulsion does better than the acrylic resin in improving the physical and mechanical properties.

添加改性剂MMA或AR后，浆体的流动性和浆体的强度得到了明显提高，其中MMA比AR在改善压浆材料的物理和力学性能方面更为显著。

The photopolymerization of methyl methacrylate was conducted by the sensitization of these carbazole-containing monomers, model compounds and the polymers.

利用聚合动力学的研究方法研究了这些含咔唑基团的单体、其饱和模型化合物和聚合物引发MMA的光聚合。

The core-shell microstructure through in-situ polymerization with calcium sulphate as core and with methyl methacrylate as shell was prepared.

采用界面原位聚合方法，制备以硫酸钙(CaSO4)粒子为核，甲基丙烯酸甲酯为壳的核壳结构。

Poly(N-isopropylacrylamide-co-2-hydroxyethyl methacrylate)/clay hydrogel was copolymerized with NIPA and HEMA cross-linked by clay to form a new kind of nanocomposite hydrogel P(NIPA-co-HEMA)/clay was obtained.

以无机粘土为交联剂制备了具有温度、pH双重敏感性的聚(N-异丙基丙烯酰胺-co-甲基丙烯酸-β-羟乙酯)/粘土纳米复合水凝胶P(NIPA-co-HEMA/clay，并用红外和X衍射对其结构和形态进行了表征。

The main contribution of this paper is summarized as follow:1 Copolymer acrylate resin including hydroxyl, carboxylic and amina(-NH_2) is a new type of antifogging system and ahydrophi- lic antifogging constituents which is not found before.2 Water-soluble acrylate resin hydrophilic antifogging coating material is a new-type environmental protection material which takes ethanol as solvent and whose pastiness is adjusted by deionized water.3 The quality rate of accessory soft monomer ethyl acrylate and accessory hard monomer butyl methacrylate is 6 to 4, the quality rate of functional monomers in all monomers is 20 percent, the quality rate of MAA in the functional monomers is 22 percent, the quality rate of β-hydroxyl ethyl acrylate in the functional monomers is 8 to 10 percent and the remainder of functional monomer is acrylic acid.4 Cross-linking agent methylol acrylamide belongs to self-cross-linking system.

本文的主要贡献概述如下： 1 含有亲水羧基、羟基和氨基(-NH_2)丙烯酸共聚树脂是一种新型高效的防雾体系，用的亲水防雾组分是前所未有的。 2 以乙醇为溶剂制得水溶性丙烯酸树脂具有很好的水溶性能和防雾性能，只需加入去离子水就可以调节它的粘度，是一种新型的环保型防雾材料。 3 辅助软单体丙烯酸乙酯和辅助硬单体甲基丙烯酸甲酯最佳配比为质量比6∶4；官能单体占单体总量的20%，甲基丙烯酸占官能单体总量10～15%，甲基丙烯酸β-羟乙酯占官能单体总量的8～10%，剩下的为丙烯酸。

The method of emulsion polymerization was used to synthesize polyvinyl acetate resin by adding hard monomer_methyl methacrylate to modify it.

本论文采用乳液聚合的方法合成了聚醋酸乙烯树脂，并通过加入硬单体―甲基丙烯酸甲酯对其进行改性。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。