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- A series of dimmer acid esters were synthesized by using dimmer acid and different chain length alcohols, and the molecular structures of synthetic dimmer acid ester were identified. 以二聚酸和不同链长的醇为原料,合成了一系列二聚酸酯并对其结构进行表征;
- Synthesis of Biodegradable Dimmer Acid Esters and Study of their Tribological Characteristics 可生物降解二聚酸酯类的合成及其摩擦磨损性能研究
- dimmer acid esters 二聚酸酯
- Carboxylic acid esters are important chemical raw materials. 羧酸酯是重要的化工原料。
- Adipic acid can produce nylon 66 resin and adipic acid ester. 己二酸可生产尼龙66树脂,也可生产己二酸酯用作增塑剂、合成润滑剂。
- 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。
- The tribological performance of 3-chloro-2-hydroxy propyl dimmer acid monoester (DAE) as additive in product oil was evaluated by using four-ball test machine. 利用四球试验机考察了二聚酸 3 氯 2 羟基丙单酯 (DAE)在 4种成品油中的摩擦学性能。
- Jervis D A.Long-term Static Protection of Polypropylene Using Fatty Acid Esters. 施英德,李良训,郭群等.;高速纺聚丙烯微细旦长丝的研究
- Organic acid esters can be used industrially as raw materials and solvents for organic synthesis, synthetic perfumes. 有机酸酯类化合物在工业中可用作有机合成的原料、溶剂、合成香料。
- Tu Z W,Li H,Gao W Z,et al.Wear-Self-Compensation effect of a steel-steel pair by 3-Chloro-2-Hydroxy propyl dimmer acid monoester as an additive in a mineral oil[J].Tribology,2003,23(2):120-123. [12]涂政文;李宏;高万振;等.;二聚酸3-氯-2-羟基丙单酯对钢-钢摩擦副的磨损自补偿效应研究[J]
- Objective: To study the bioactive constituents, quinic acid esters, from Siphonostegia chinensis. 目的:对中药北刘寄奴中奎尼酸酯类活性成分进行化学研究。
- In this paper,the development of the analysis methods of phthalic acid esters has been introduced in details. 本文详细介绍了国内外邻苯二甲酸酯类增塑剂检测方法的研究进展。
- In this paper, the development of the analysis methods of phthalic acid esters has been introduced in details. 摘要本文详细介绍了国内外邻苯二甲酸酯类增塑剂检测方法的研究进展。
- These compounds contain sterols, terpenes, compounds containing nitrogen, long-chain aliphatic acid esters and long-chain aliphatic alcohol, etc. 化合物的类型主要涉及到甾醇类、萜类、含氮化合物类、长链脂肪酸酯和长链醇类。
- Eight phthalic acid esters (DEP, DPrP, BBP, DBP, DAP, DCHP, DHP, DEHP) have been studied in this paper, which are environmental hormone. 本论文选定属于环境激素的8种邻苯二甲酸酯类物质(DEP、DPrP、BBP、DBP、DAP、DCHP、DHP和DEHP)作为研究对象。
- The GAC-sand biofilter could remove benzoic acid esters, aliphatic acid esters and phenols in the influent of the biofilter effectively. 活性炭、石英砂双层滤料生物滤柱可较大幅度地去除苯酸酯类、脂肪酸酯类和酚类等有机物。
- Use of zirconic acid esters as catalysts to prepare butyl chloroacetate and benzyl chloroacetate is studied, the yields of reactions are more than 90%. 介绍使用锆酸酯为催化剂,制备氯乙酸丁酯、氯乙酸苄酯的实验,讨论了影响反应的因素,该催化反应过程氯乙酸酯的收率为90%25以上。
- These compounds contain sterols,terpenes,compounds containing nitrogen,long-chain aliphatic acid esters and long-chain aliphatic alcohol,etc. 化合物的类型主要涉及到甾醇类、萜类、含氮化合物类、长链脂肪酸酯和长链醇类.
- The synthesis of some oleic acid esters (ethyl oleate,n-octyl oleate,oleyl oleate) catalyzed by lipase in some nonaqueous solvents have been studied. 对几种非水溶剂中脂肪酶催化合成油酸酯(油酸乙酯、油酸正辛酯和油酸油酯)进行了初步考察。
- Dendrimer-bonded silicagel is effective to separate homologous compounds of alcohol,alkyl-substituted benzene,metacrylic acid esters. 对于醇类,烷基取代苯,丙烯酸酯同系物可以进行很好的分离。