癸二酸

Vapor-liquid equilibrium data for maleic anhydride and its absorption solvents are important for developing and researching the MAN production process. Isothermal VLE data for MAN and di-n-butylsebacate binary system at 413.15, 433.15 and 453.15 K were determined with a modified ebulliometer in this work.

利用改进的沸点仪测定了顺酐－癸二酸二丁酯二元体系在413.15，433.15和453.15 K下的等温气液平衡数据以及纯癸二酸二丁酯和顺酐的饱和蒸气压数据。

METHODS: Compound azelaic acid cream was prepared with vitamin E and azelaic acid as principal agents;the content of vitamin E was determined by HPLC while the contents of azelaic acid and vitamin C were determined by volumetry.

目的：制备复方壬二酸乳膏并建立其质量控制方法。相关：癸二酸二辛酯，癸二酸二（2-乙已基）酯已二酯二辛酯，已二酸二（2-乙已基）酯邻苯二酸二辛酯，邻苯二酯二（2-乙已基）酯已二酸二异辛酯

Undecanedioic acid, dodecanedioic acid, brassylic acid, tetradecanedioic acid, pentadecanedioic acid, nylon 1212 resin, nylon 1212 salt, nylon 1212 powder, pa 1212 adhesives and sealants, zirconium dioxide, zirconium dioxide powder, zirconium oxychloride, 1,10-decanediol, 1,12-dodecanediol, dimethyl sebacate, dodecanedioic acid dimethyl ester, dodecane diamine etc.

十一碳二元酸，十二碳二元酸，十三碳二元酸，十四碳二元酸，十五碳二元酸，十二碳二元胺，十二碳二元醇，癸二醇，癸二酸二甲酯，十二碳二酸二甲酯，PA尼龙1212型高档热熔胶；以及二氧化锆，氧氯化锆等。

Copolyesters of sebacic/terephthalic acid series was synthesized by the condensation polymerization of sebacic acid and terephthalic acid with ethanediol and neopentyl glycol.

论文采用癸二酸、对苯二甲酸与乙二醇、新戊二醇进行缩聚反应，合成了癸二酸/对苯二甲酸系共聚酯。

Firstly, the reactions of glutaric acid, sebacic acid and propargyl alcohol afforded two dipropargylesters:(CH≡CCH_2OCO)_2(CH_2)_3 (compound 1) and (CH≡CCH_2OCO)_2 (CH_2)_8 (compound 2),respectively.

首先，本文分别选用戊二酸，癸二酸与丙炔醇反应得到了两个新的有机二酸二丙炔醇酯：戊二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_3(化合物1)和癸二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_8(化合物2)。

In recent years, the company excellent location advantages, multi-introduction of advanced production equipment and technology to improve old products and develop new products to 12 - hydroxy acid-based rigid and at the same time the production of refined castor oil, hydrogenated castor oil, refined Gan oil, Sebacate methacrylate (annual output 1500 tons), dibutyl sebacate (annual output 1500 tons), octyl sebacate, anhydrous sodium sulfate, castor meal and other products.

近年来，公司以优越的区位优势，多方引进先进的生产设备和技术，改进旧产品，拓展新产品，以 12 －羟基硬质酸为主，又同时生产精炼蓖麻油、氢化蓖麻油，精甘油，癸二酸二甲酯（年产量 1500 吨），癸二酸二丁酯（年产量 1500 吨），癸二酸二辛酯，无水硫酸钠，蓖麻粕等产品。

Dioctyl sebacate was prepared by esterification of 2 ethylhexyl alcohol and sebacic acid in catalysis of aluminate.

以癸二酸与2－乙基己醇为原料，铝酸盐为催化剂，合成了癸二酸二辛酯。

Dihexyl sebacate was synthesized from sebacic acid and n-hexanol with silicotungstic acid as catalyst.

以硅钨杂多酸为催化剂，癸二酸和正己醇为原料合成了癸二酸二己酯。

In order to recycle extra caustic soda and increase purity of sebacic acid, the research work in this thesis includes: extra caustic soda recovery, purification of sebacic acid and determination of solubility of sebacic acid in water, ethanol, and ethanol aqueous solution.

但是，它的传统生产工艺中存在过量游离碱浪费，癸二酸产品纯度不高等问题。对此本文做了三方面的研究，包括改进癸二酸生产工艺回收过剩的游离碱；提纯癸二酸；测定癸二酸在乙醇、水、乙醇水溶液中溶解度。

Intermidiate 1, 2-propanediol-sebacate was synthesized with 1, 2-propanediol and sebacic acid, then a novel degradable elastomer, poly, was synthesized by melt phase polycondensation of 1, 2-propanediol-sebacate and citric acid under under certain conditions.

通过癸二酸与1，2-丙二醇反应，生成中间体癸二酸聚酯二元醇，然后将中间体与柠檬酸在一定条件下熔融缩聚制得了一种可降解弹性体聚癸二酸丙二醇柠檬酸酯。

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