苯酚钠
- 网络sodium phenate;Sodium phenolate
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研究了常温下由苯酚钠悬胶体与三氯氧磷反应合成磷酸三苯酯的工艺条件,找到了一条比较好的合成方法。
Some technological conditions of the synthesis of triphenyl phosphate by the reaction of sodium phenolate and phosphorus oxychloride were studied , and a better process was found out .
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在硝基苯乙酸的合成中,采用醇钠代替部分苯酚钠,可使苯酚钠用量减少50%,产品收率仍可达100%。
A procedure on synthesis of nitrophenyl acetic acids with high yield of 100 % has been developed catalysed by sodium methylate or ethylate partially instead of sodium phenolate at certain ratio of sodium alkoxide , nitrotoluene and sodium phenolate .
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含氯代苯酚钠大约4%(质量分数)的碱性解吸液直接返回到氯化车间,苯酚钠和过量的NaOH都得到利用,实现了污染治理和污染物的资源化,具有良好的环境效益和经济效益。
The elution solution containing about 4 % sodium phenolates was fed back to the production process for reutilization of phenol , chloro-phenols and excessive NaOH . The process combines control of pollution of wastewater and recovery of pollutants , and offers both environmental and economic benefits .
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卟啉环上的亲核取代:2.溶剂对2-NO2-TPPCu(Ⅱ)与苯酚钠反应的影响
Nucleophilic Substitution Reaction on the Porphyrin Ring : 2 . The Solvent Effect in the Reaction of 2-NO_2-TPPCu (ⅱ) with Sodium Phenoxide
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以半微量法代替常量法,用溴乙烷代替碘乙烷与苯酚钠反应制取苯乙醚。
With half-trace law instead of constant law , bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether .
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在异氰酸酯缩合制备2,6&二异丙基苯碳二亚胺的研究中,进行了催化剂选择实验,选择了苯酚钠为缩合反应催化剂;
In the research of preparation carbodiimides by the condensation reaction of the aromatic isocyanate , choosing phenolate as the catalyzer , the suitable weight ratio of phenolate in isocyanate is about 4 % .
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用苯酚钠终止氧化环已烯光聚合中的活性中心,从而测得活性中心浓度,发现至少在低转化率(10%)以内,活性中心浓度随聚合时间而线性增加;
The concentration of active centers ( [ P ~ ] ) in cyclohexene oxide polymerization was determined by using sodium phenoxide as terminating agent . It was found that [ P ~ ] increased linearly during the early stage of polymerization ;
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苯酚与金属钠的反应实验改进
An Improvement in the Experiment on the Reaction between Phenol and Sodium
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以苯酚、亚硝酸钠和硫酸为原料,在醋酸介质下进行亚硝化反应合成对亚硝基苯酚,并通过正交试验法筛选出最佳反应条件。
P-Nitrosophenol was synthesized by nitrosation reaction of phenol with a mixture of sodium nitrite and sulfuric acid in the acetic acid medium , The best reaction conditions were selected through orthogonal method .