Preparation and Characterization of Novel Polyether Sulphone Ultrafiltration Membrane and Polyamide Composite Nanofiltration Membrane; Synthesis and property of hyperbranched semi-aromatic polyamide 新型聚醚砜超滤膜及聚酰胺复合纳滤膜的制备与表征超支化半芳香型聚酰胺的合成及其表征
METHODS Plasma concentrations of albendazole, albendazole sulphoxide and albendazole sulphone were determined using RP-HPLC method. 目的建立RP-HPLC测定血浆中阿苯达唑及其代谢物阿苯达唑亚砜、阿苯达唑砜浓度的方法。
Study on Synthesis and Curing Reaction of Epoxy Terminated Poly ( Phthalazinone Ether Sulphone Ketone); Epoxide compounds& Determination of epoxide equivalent 环氧封端PPESK的合成与固化研究GB/T4612-1984环氧化合物环氧当量的测定
Sulphone amine and aryl aldoxime as important reaction reagents as well as their high biological activity, has arose more and more attention. 砜基胺类和芳香甲醛肟类等化合物由于其作为反应试剂的重要作用,以及具有非常高的生物活性,引起越来越多人的兴趣。
Preparation and characteristics of quaternized chitosan/ sulphonated polyether sulphone composite nanofiltration membrane Synthesis and Structural Characterization of the Tri-methyl Quaternary Ammonium Salt of Chitosan 壳聚糖季铵盐/磺化聚醚砜复合纳滤膜的制备与表征壳聚糖三甲基季铵盐的合成及其结构表征
In alkaline buffer, the speed of the reaction is proportional to the first order with the concentration of hydroxy ethyl sulphone ( ArSO2CH2CH2OH) and the zero order with N-methyl taurine. 动力学数据表明:在碱缓冲溶液中,反应速度与羟乙基砜的浓度一次方,N-甲基牛磺酸钠浓度的零次方成正比。
Preparation and Tanning Powers of Syntan with Sulphone 砜型合成鞣剂的制备与鞣革性能研究
Methods The albendazole on the treatment with the hydrogen peroxide at room temperature was converted to the corresponding sulphoxide and sulphone. 方法在室温条件下,使用过氧化氢将阿苯哒唑氧化成相应的亚砜和砜,用硅胶柱层析方法进行分离纯化。
Sephadex G-200 and ( P. β-Sulphatoethylsulphonyl) anine ( SESA) were first etherified to prepare p-aminobenzene sulphone ethyl ( ABSE)-Sephadex G-200 and then, ficin was fixed on ABSE-Sephadex G-200 by means of diazo-reaction. 将SephadexG-200与β-硫酸酯乙砜基苯胺(SESA)首先醚化制备对氨基苯砜乙基交联葡聚糖(ABSE-SephadexG-200),然后经重氮化固定无花果蛋白酶。
The fracture toughness ( K_(ⅰ C)), impact strength and other mechanical properties of an epoxy modified with poly ( ether sulphone)( PES) at liquid nitrogen temperature ( LNT) are studied. 研究了热塑性树脂聚醚砜(PES)对环氧树脂在液氮温度(LNT)下的断裂韧度、冲击韧性及其他力学性能的影响。
Thermal transition control of cholesteric liquid crystalline side chain terpoly ( olefin sulphone) s containing 1 HEPTENE moieties 庚烯-1单体单元对胆甾型侧链液晶共聚砜热转变温度的调节
The technological method to synthesize 2-chlorobenzothiazole under the condition of existing catalyst in chlorobenzene using promoter M ( dithiobis) as main component and sulphone chloride as chlorinating agent was introduced. 主要介绍了在氯苯中有催化剂存在的条件下,以促进剂M(2-巯基苯并噻唑)为母体,以氯化亚砜作氯化剂合成2-氯代苯并噻唑的工艺方法。
The Solution Properties of Poly ( phenylene ether sulphone) in DMF(ⅰ) 聚苯醚砜在二甲基甲酰胺中稀溶液性质的研究(Ⅰ)
The paper introduces the causes of the cracks of the line of fusion for the high-temperature resistant engineering plastics polyphenylene ether sulphone parts and their eliminating method from the product and mold design, the selection of mold release agents and molding technology. 从制品设计、模具设计、脱模剂选择及成型工艺诸方面,论述工程塑料聚苯醚砜塑料件熔接线开裂的产生原因及消除方法。
The paper introduces the injection molding equipment, mold and molding technique for the thermotolerant engineering thermoplastic polyphenylene ether sulphone. 介绍耐高温热塑性工程塑料聚苯醚砜树脂的注射成型设备、模具和注射工艺等。
Eliminating the welding line cracks of the polyphenylene ether sulphone plastics parts 消除聚苯醚砜塑料件熔接线开裂
Study on the condition of condensation reaction by L_ ( 9)( 3~ ( 4)) orthogonal experiment based on naphthalene sulphonic acid, 4,4 '-dihydroxy diphenyl sulphone and formaldehyde. 将萘磺化,以萘磺酸、4,4'&二羟基二苯砜以及甲醛为基本原料,用正交实验L9(34)的方法,对它们的缩合反应条件进行了研究。
This paper adopts modified polysiloxane sulphone after by sol-gel and titanium dioxide organic/ inorganic hybrid glycosylated. 本文采用改性之后的聚砜通过溶胶-凝胶法与二氧化钛进行有机/无机杂化。
Polyether sulphone ( PES) is a good membrane material with excellent overall performance, and research reports on preparing ultrafiltration membrane with PES and TiO2 are not yet seen. 聚醚砜(PES)是一种综合性能优良的聚合物膜材料,尚未见以聚醚砜和TiO2组成体系制备有机无机杂化超滤膜的研究报道。
The main conclusions are as follows: ( 1) By comparing cellulose film, film, PVC film were together and polyether sulphone membrane accelerated aging Rice wine, method and effect of Rice wine physical Maturing optimal membrane materials-roll type hollow fiber membrane. 主要结论如下:(1)通过比较纤维素膜、聚砜膜、聚氯乙烯膜和聚醚砜膜加速黄酒陈化效果,优选出黄酒物理陈化最适膜材质&卷式中空纤维膜。
One of the aims of this paper is to prepare and characterize the novel polyether sulphone ultrafiltration membrane made from PES and TiO2.Aromatic polyamide is a typical composite nanofiltration membrane material with inferior chlorine resistance. 本文以聚醚砜(PES)和TiO2为材料,制备新型聚醚砜超滤膜,并进行表征。芳香聚酰胺类聚合物是典型的复合纳滤膜材料,但是这类聚合物易氯化降解。