乙酸丁酯、乙酸3 -甲基丁酯、乙酸丙酯、乙酸乙酯、1 -丙醇、1 -丁醇、2 -甲基丁醇和2 -甲基丁酸乙酯为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.
弱碱(吡啶,二甲基吡啶或可力丁)的存在将亚磷酸三酯氧化为四配位磷酸三酯。
The presence of a weak base (pyridine, lutidine, or collidine ) oxidizes the phosphite triester into a tetracoordinated phosphate triester.
本文研究了聚丙烯酸丁酯/聚甲基丙烯酸乙酯核/壳结构弹性体粒子对HIPS的增韧作用,提出了一个新的增韧机理。
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.
以甲基丙烯酸甲酯为硬单体,丙烯酸丁酯为软单体,丙烯酸为功能单体,环氧树脂为改性剂制备了密封胶用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.
采用傅里叶变换红外光谱表征了聚甲基丙烯酸丁酯(PBMA)共混改性有机硅树脂前后的结构特征;
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.
研究了聚甲基丙烯酸甲酯大单体与丙烯酸丁酯在苯中的共聚。
The poly macromer was copolymerized with butyl acrylate in benzene to form the graft copolymer.
以间甲基苯甲酸和二甘醇为原料,钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate.
以醋酸乙烯酯和丙烯酸丁酯为主要原料,引入自交联型单体羟甲基丙烯酸胺合成了纸张——铝箔复合膜粘合剂。
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.
本实验以甲基丙烯酸甲酯、丙烯酸丁酯和丙烯酸为主要原料,利用乳液聚合方法,制备了一种涂料用的纯丙乳胶。
A per-propyl emulsion for coatings, by emulsion polymerization, was prepared from methyl methacrylate (MMA), butyl acrylate and acrylic as raw materials.
采用酯交换工艺,在均相条件下,由甲基丙烯酸甲酯和正丁醇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.
报道了合成乳酸丁酯的新方法 ,以乳酸和正丁醇为原料 ,在甲基磺酸催化下以亚硫酸镁为脱水剂 ,用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.
本文介绍了丁辛醇装置副产物异丁醛的缩合产品2,2,4-三甲基-1,3 -戊二醇单异丁酸酯的性质、用途、合成及分离工艺条件。
The properties, applications, and process conditions for synthesis and separation of 2, 2, 4 -trimethyl - 1, 3 - pentanediol isobutyrate are introduced.
以丙烯酸、 丙烯酸丁酯和甲基丙烯酸甲酯为单体,采用自由基聚合法制备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.
研究表明,适量加入甲基丙烯酸丁酯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.
采用核壳乳液聚合方法合成了以甲基丙烯酸甲酯、 甲基丙烯酸和丙烯酸丁酯三元共聚物酸为核,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.
介绍了以丙烯酸、丙烯酸十二酯、甲基丙烯酸甲酯和丙烯酸丁酯为单体,采用反应型乳化剂,经过乳液聚合,制得了一种水性涂料用缔合型增稠剂。
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.
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料,经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯;
The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料,经活性亚甲基烃化、成肟和水解3步反应得7-氯-2-氧庚酸乙酯;
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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