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- Quaternized polysulfone (QMPS) UF membrane could be made through dipping chloromethylated polysulfone (CMPS) into solution of trimethla-mine. 将氯甲基化聚砜(CMPS)超滤膜浸泡于三甲胺水溶液中制得季铵化聚砜(QMPS)超滤膜。
- chloromethyl polysulfone 氯甲基化聚砜
- chloromethylated polysulfone 氯甲基化聚砜
- Cefetamet pivoxil was synthesized from chloromethyl pivalate and 7?ADCA. 7?氨基?3?甲基?3?头孢烯?4?羧酸; 头孢他美;
- Objective: To study the simple synthetic methods of chloromethyl pivalate. 目的探讨合成特戊酸氯甲酯的简便工艺方法。
- Except for polysulfone membranes, use of high chlorine levels is deleterious to the membrane. 除了聚砜膜以外使用高浓度氯对膜均有害。
- The physical properties of four block copolymers,which containing polysulfone chain and ri8id rod chain,were studied. 研究了由低相对分子质量聚砜链段与刚性棒状链段组成的嵌段共聚物的物理性能。
- Polysulfone is one of the most promising materials used in proton exchange membrane fuel cells. 摘要聚砜类聚合物是一类具有良好应用前景的质子交换膜材料。
- Hydrophilic surface modification of polysulfone hollow fiber membrane was performed by acrylic acid treatment. 摘要 采用丙烯酸亲水化改性聚砜中空纤维超滤膜。
- METHODS The target compound was synthesized by the reaction of(S)-naproxen with chloromethyl ester of naproxen in the presence of K2CO3. 方法以(S)-萘普生为原料,与溴氯甲烷反应制得的(S)-萘普生氯甲酯,然后与萘普生钾盐反应得目标化合物。
- The grafting of acrylic acid onto polysulfone UF membranes was performed by means of mutual irradiation in liquids. 采用液相共辐照技术在聚砜超滤膜上接枝丙烯酸。
- The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination.The method avoids the utilization of cancerogenic chloromethyl methyl ether. 通过付氏酰基化反应引入乙酰基,接着溴化、胺化,得到标题树脂。该法避免了使用氯甲醚。
- The polysulfone microspheres thus formed showed a good absorption both to the acid stimulant, furosemide and the alkaline stimulant, triamterene. 将聚砜微球应用于利尿组分的吸咐,表明其对酸性利尿剂氟咯噻咪和堿性利尿剂氨苯蝶啶有较好吸附。
- It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole. 另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯,然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
- The material used for the heat-resistant modification included boricacid, molybdenum, BMI, polysulfone, benzoxazine, PT resin, CNSL and tung oil. 改性的方法包括:硼酸改性、钼改性、双马来酰亚胺改性、聚砜改性、苯并恶嗪化合物改性、酚三嗪树脂改性、腰果壳油改性及桐油改性。
- A method was established for determining two intermediates in synthesis of imidacloprid,2 chloro 5 methyl pyridine and 2 chloro 5 chloromethyl pyridine by HPLC. 建立了用高效液相色谱法同时测定农药吡虫啉中间体2-氯-5-甲基吡啶和2-氯-5-氯甲基吡啶含量的方法。
- The material used for the heat-resistant modification included boricacid,molybdenum,BMI,polysulfone,benzoxazine,PT resin,CNSL and tung oil. 改性的方法包括:硼酸改性、钼改性、双马来酰亚胺改性、聚砜改性、苯并口恶嗪化合物改性、酚三嗪树脂改性、腰果壳油改性及桐油改性。
- Several synthesis methods of chloromethyl ethyl ether were compared.A new method for the synthesis of chloromethyl ethyl ether from phosphorus trichloride was developed. 本文对氯甲基乙基醚的合成方法进行了比较,创新了一种用三氯化磷为原料新的合成方法。
- Polyaniline (PANI)/ polysulfone (PSF) composite films with porous structure were successfully prepared by cyclic voltammetry in acid solution. 摘要采用循环伏安法在酸性溶液中制备出具有多孔结构的聚苯胺/聚砜(PANI/PSF)复合膜。
- At the same time, three kinds of derivatives, i.e. 4,4'-biphenyldicarboxaldehyde, 4,4'-bis (hydroxymethyl) biphenyl and 4,4'-bis (chloromethyl) biphenyl were prepared from it. 继而以它为原料方便地合成了3种4,4'-二取代联苯衍生物:4,4'-联苯二甲醛、4,4'-二(羟甲基)联苯和4,4'-二(氯甲基)联苯。