您要查找的是不是：
- An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts. 以醋酸钯/邻菲洛林/脂肪胺为催化体系,丙烯酸和乙酸乙烯酯为原料,通过乙烯基交换反应制备丙烯酸乙烯酯。
- The comonomers include those unsaturated ones, such as ethylene monomer, ethylene chloride, acrylate, unsaturated carboxylic acid, acrylamide, acryloni-trile and so on. 可与醋酸乙烯酯共聚的单体很多,其中主要有乙烯、乙烯、烯酸酯、饱和羧酸、烯酰胺、烯腈、烯基醚等不饱和单体。
- The effects of type of emulsifier, type of ethylenically unsaturated carboxylic acid and its degree of neutralization, the manner of monomer addition, and the speed of agitator on polymerization were examined. 考察了乳化剂、乙烯基型不饱和羧酸单体及其中和度、加料方式、搅拌器转速对聚合反应的影响。
- aliphatic unsaturated carboxylic acid 脂族不饱羧酸
- Abstract： The effect of the chain structure of carboxylated polypropylene carrier (polypropylene grafted with unsaturated carboxylic acid) on the polymerization rate of acrylonitrile was investigated. 摘要： 研究了羧化聚丙烯载体(不饱和羧酸接枝聚丙烯)接枝链的结构对丙烯腈聚合速度的影响。
- Study On Preparation Of Unsaturated Carboxylic Acid Terpolymer High Performance Water- reducing Agent 三元共聚羧酸盐高效减水剂的合成研究
- Keywords Unsaturated carboxylic acid hydroxyethyl ester Boron triflnoride ethyl ether Oxyethylation; 不饱和羧酸羟乙酯;三氟化硼乙醚;乙氧基化;
- unsaturated carboxylic acid 不饱和羧酸
- Carboxylic acid esters are important chemical raw materials. 羧酸酯是重要的化工原料。
- Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
- One exception is the decarboxylation of aromatic carboxylic acids. 芳香羧酸进行脱羧反应是一个例外。
- The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene. 这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
- Carboxylic acid was peroxidized in organic solvents catalyzed by lipase and glycidol was synthesized from allyl alcohol catalyzed by acid peroxide. 摘要利用脂肪酶在有机介质中催化制备过氧酸，丙烯醇在过氧酸的作用下发生环氧化反应生成环氧丙醇。
- Nitric acid oxidation was found to reduce the surface hydroxyl (OH) groups in increasing the carboxylic acid (COOH) groups. 硝酸氧化减少了碳纤维表面的羟基含量，同时增加了碳纤维表面的羧基含量。
- In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid. 在反应中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸，
- PVAC latex is prepared by the polymerization of the new type of ethylene carboxylic acid . 采用乳液聚合制备了新的丙烯酸改性的聚乙酸乙烯酯(PVAC)乳液。
- Preparation methods and degradation behavior for poly(carboxylic acid silyl ester)s were reviewed. 综述了聚羧酸硅基酯的合成方法和降解性质。
- The formate activates the carboxylic acid and functions as a source of nucleophilic alkoxide. 羧酸甲酸激活的职能和核醇源泉.
- The paper introduces the catalyst research advances in esterification reaction of carboxylic acid. 本文介绍了羧酸酯化反应催化剂的研究进展。
- Ingredients: Chamomile extract, hamamelis extract, pyrroldone carboxylic acid, HA, etc. 主要成份：春黄菊提取液，金缕梅提取液、吡咯烷酮羧酸、透明质酸等。
