• 乙酸、乙酸3 -甲基丁、乙酸乙酸、1 -丙醇、1 -醇、2 -甲基丁2 -甲基新红星苹果果实的主要香气成分

    Starkrimson fruit aroma comprised butyl acetate, 3-methyl-butyl acetate, propyl acetate, ethyl acetate, 1-butanol, 1-propanol, 2-methyl-butanol and ethyl 2-methyl-butanoate.

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  • 弱碱(吡啶,二甲基吡啶可力存在将亚磷酸氧化四配磷酸

    The presence of a weak base (pyridine, lutidine, or collidine ) oxidizes the phosphite triester into a tetracoordinated phosphate triester.

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  • 本文研究了聚丙烯酸丁酯/聚甲基丙烯酸乙结构弹性体粒子HIPS的增作用,提出了一新的增韧机理

    The toughening of HIPS is studied by blending it with a polybutylacrylate/polyethylmethacrylate core/shell structure elastomer particles, an a new mechanism of toughening isproposed.

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  • 甲基丙烯酸单体丙烯酸丁酯单体,丙烯酸为功能单体,环氧树脂改性制备密封胶环氧改性丙烯酸树脂。

    The epoxy modified acrylate resin for sealant is prepared with methyl acrylate as hard monomer, butyl acrylate as soft monomers, acrylate acid as functional monomers and epoxy resin as modifier.

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  • 采用傅里叶变换红外光谱表征甲基丙烯酸PBMA)共混改性有机树脂前后结构特征;

    The molecular structure of the silicone resin pre-and post-blending modification by poly (butyl methacrylate)(PBMA) was characterized by Fourier transform infra-red spectrometry.

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  • 研究了聚甲基丙烯酸大单体丙烯酸丁酯苯中的共聚

    The poly macromer was copolymerized with butyl acrylate in benzene to form the graft copolymer.

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  • 甲基苯甲酸甘醇为原料,酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸

    Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.

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  • 醋酸乙烯丙烯酸丁酯主要原料,引入型单体甲基丙烯酸胺合成了纸张——铝箔复合粘合剂

    The self - cross linking adhesive for paper - Al foil composite can be abtained by using vinyl acetate and acrylate as raw materials and hydroxy methyl acrylamide as self - cross linking monomer.

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  • 本实验甲基丙烯酸甲丙烯酸丙烯酸主要原料,利用乳液聚合方法制备了一种涂料的纯丙乳胶

    A per-propyl emulsion for coatings, by emulsion polymerization, was prepared from methyl methacrylate (MMA), butyl acrylate and acrylic as raw materials.

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  • 采用交换工艺相条件下,由甲基丙烯酸合成了甲基丙烯酸丁酯(BMA)。

    Butyl methacrylate (BMA) was synthesized from n? Butanol and methyl methacrylate at homogeneous reaction by transesterification process.

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  • 报道合成乳酸丁酯的新方法 ,乳酸和正醇为原料 ,在甲基磺酸催化下以亚硫酸镁水剂索氏提取器进行回流合成。

    The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.

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  • 本文介绍了醇装置副产物异醛的缩合产品2,2,4-甲基-1,3 -戊二醇单异性质用途合成分离工艺条件

    The properties, applications, and process conditions for synthesis and separation of 2, 2, 4 -trimethyl - 1, 3 - pentanediol isobutyrate are introduced.

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  • 丙烯酸、 丙烯酸甲基丙烯酸为单体,采用自由基聚合法制了聚丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。

    Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid, methyl methacrylate, butyl acrylate as the raw materials.

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  • 研究表明,适量加入甲基丙烯酸有利于降低阈值电压、饱和驱动电压。

    It is demonstrated in this paper that the addition of butyl methacrylate do good to reduce the driving voltage.

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  • 采用乳液聚合方法合成了甲基丙烯酸甲甲基丙烯酸丙烯酸丁酯三元共聚物核,聚苯胺为壳的导电高分子复合物

    Using emulsion polymerization, a conductive polymer composite was synthesized with polyaniline as shell , the polymer acid obtained by MMA MAA and BA as core.

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  • 介绍了以丙烯酸丙烯酸十二甲基丙烯酸丙烯酸丁酯单体采用反应型乳化剂经过乳液聚合,制得了水性涂料缔合增稠剂

    A kind of associative thickener for waterborne coating is prepared by emulsion polymerization of acrylic, lauryl acrylate, methyl methacylate and butyl acrylate as monomers and reactive emulsifier.

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  • 西合成乙酰乙酸1-溴-5-氯戊烷为原料,活性亚甲基烃化、成肟和水解3反应得7-氯-2-氧庚酸乙

    The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;

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  • 西合成乙酰乙酸1-溴-5-氯戊烷为原料,活性亚甲基烃化、成肟和水解3反应得7-氯-2-氧庚酸乙

    The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;

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