癸二酸酯

Amino-pelargonic acid was synthesized from sebacic acid through mono-esterification, ammonolysis and Hofmann's degradation.

9-氨基壬酸系从癸二酸经单酯化、氨化和Hofmann重排制得。

Dioctyl sebacate ; Nonacid catalyst ; Plasticizer ; Esterification.

癸二酸二辛酯；增塑剂；酯化；非酸性催化剂

The content of Cl-is one of the most factors which effect the corrosion of rebars and the performance of the di-(2-ethylhexyl)-sebacate as corrosion inhibitor.

氯离子含量是影响钢筋腐蚀性能和癸二酸二异辛酯阻锈剂作用的重要因素。

The GLE of MA-dibutyl sebacate were calcualted by the data looked from literature on COOOC using UNIFAC method.

查取文献报道的涉及COOOC基团的汽液平衡数据，由UNIFAC方法和回归关联的方法计算出癸二酸二丁酯-顺酐体系的气液平衡关系。

Two kinds of fluids including liquid crystal and the mixture of liquid crystal and dibutyl sebacate were injected into the micro motors with four different structures of electrodes respectively.The renational corves between the rotate speed of the rotor and the voltage were got,and a series of conclusions o...

分别将单体液晶和单体液晶与癸二酸二丁酯的混合液体注入具有4种不同电极结构的微马达，得到了8条转子转速与电压的关系曲线，得出了转速与电压、液体种类、电极结构等关系的一系列结论。

After getting two systems'GLE, absorption experiment was operated in laboratorytype equipment and the operation condition of dibutyl sebacate as absorbent were studied, the relationship of 〓 and the content of maleic anhydride in gaseous mixtures, the temperature of gaseous mixture, the liquid and gases ratio, the temperature of absorbent and the content of maleic anhydride in absorbent were studied respectively.

在获得气液平衡关系后，在自行设计的小型实验设备上分别就癸二酸二丁酯吸收顺酐的操作条件：进塔气中顺酐含量的变化、进塔气体温度的变化、液气比的变化、进塔溶剂温度的变化和吸收剂中顺酐含量的变化等对吸收效率的影响进行了初步探讨，推荐了合适的操作条件。

On the basis of above works, dibutyl sebacate and 1、2-cyclohexanedicarboxylic acid diisobutyl ester were chosen to be absorbents of MA according to the solubility and property of solvents.

第二：在前一部分工作基础上，考虑了溶解度测定结果和溶剂本身性质选择有机溶剂癸二酸二丁酯和溶剂六氢化邻苯二甲酸二异丁酯作为吸收顺酐的吸收剂。

Based on the investigation of the transesterification between dimethyl sebacate and 1,2,2,6,6-pentamethyl-4-piperinol, the synthetic technologies of Tinuvin292 and Tinuvin 765 were established. The two kinds of hindered amine light stabilizers were obtained in the yield of 93.3% and 92.4% respectively and qualified as the advanced level of the kindred overseas products.2. The synthetic technology of Tinuvin123 was studied and established. Using 2,2,6,6-tetramethyl-4-piperinol as the starting material, the product was synthesized successfully through oxidation, free-radical reaction and transesterification in overall yield of 57.6%.

本文研究建立了三个受阻胺类光稳定剂的合成工艺，探索了聚合型受阻胺类光稳定剂生产过程中不溶性副产物产生的原因，并设计、合成了一系列具有抑菌活性的新型受阻胺类光稳定剂。1、在研究癸二酸二甲酯与1，2，2，6，6-五甲基哌啶醇的酯交换反应的基础上，建立了受阻胺类光稳定剂Tinuvin292、Tinuvin765的合成工艺，分别以93.3%和92.4%的收率得到了光稳定剂Tinuvin292、Tinuvin765，所得产品质量达到了国外同类产品的水平。2、研究建立了受阻胺类光稳定剂Tinuvin123的合成工艺。

The synthetic technologies of three hindered amine light stabilizers were established, the reason for the insoluble side products formed in the production of polymerized hindered amine light stabilizers were studied, and a series of novel hindered amine light stabilizers with antibacterial properties were designed and synthesized in this present paper.1. Based on the investigation of the transesterification between dimethyl sebacate and 1,2,2,6,6-pentamethyl-4-piperinol, the synthetic technologies of Tinuvin292 and Tinuvin 765 were established. The two kinds of hindered amine light stabilizers were obtained in the yield of 93.3% and 92.4% respectively and qualified as the advanced level of the kindred overseas products.2. The synthetic technology of Tinuvin123 was studied and established.

本文研究建立了三个受阻胺类光稳定剂的合成工艺，探索了聚合型受阻胺类光稳定剂生产过程中不溶性副产物产生的原因，并设计、合成了一系列具有抑菌活性的新型受阻胺类光稳定剂。1、在研究癸二酸二甲酯与1，2，2，6，6-五甲基哌啶醇的酯交换反应的基础上，建立了受阻胺类光稳定剂Tinuvin292、Tinuvin765的合成工艺，分别以93.3%和92.4%的收率得到了光稳定剂Tinuvin292、Tinuvin765，所得产品质量达到了国外同类产品的水平。2、研究建立了受阻胺类光稳定剂Tinuvin123的合成工艺。

Keywords Di-（2-ethylhexyl）-sebacate;reinforced concrete;corrosion;polarization curve;electrochemical impedance

癸二酸二异辛酯；钢筋混凝土；腐蚀；极化曲线；交流阻抗法

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐