fluorination

Methods This preparation of tetrafluorophthalic acid started from tetrachlorophthalic anhydride and underwent amidation, fluorination and hydrolysis.

方法以四氯苯酐为原料，经酰亚胺化、氟化、水解得四氟邻苯二甲酸。

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Synthesis of the New Phase-transfer Catalyst-N-alk yl Quaternary Phosphonium Salts and Application in Fluorination of Aromatic Compounds

N-烷基季鏻盐相转移催化剂的合成及催化合成含氟芳香族化合物的研究

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it is pointed out by author that fluorination with potassium fluoride in ionic liquids is a good fluorination method.

在离子液体中用氟化钾氟化是一个新的优良氟化方法。

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Application of electrochemical fluorination in high technological field

电解氟化在高科技领域的应用

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The common methods used for synthesizing fluorinated aromatic compounds, including direct fluorination and diazotisation as well as halogen exchange reactions were briefly introduced. Among them halogen exchange, especially the fluorination was considered to be the effective path for the synthesis of selectively fluorinated aromatic compounds.

介绍了合成含氟芳香族化合物常用的氟取代反应、重氮化反应、卤交换反应，认为卤素交换尤其是脱硝氟代是选择性合成含氟芳香族化合物的有效途径。

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Reactor embodiments for the fluorination reactions are also disclosed.

还公开了氟化反应反应器的具体实施方式.

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Progresses in the Fluorination Addition Reactions of Unsaturated Carbon-Carbon Bonds

碳碳不饱和键氟化加成反应的研究进展

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A heavy-duty magnetic stirrer , such as Cole-Parmer model is needed during the fluorination.

在氟化过程中需要用一架 大功率 的电磁搅拌器.

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There are two methods for synthesis of the fluoroporphyrins: direct and indirect fluorination.

含氟卟啉合成方法分为直接氟化法和间接氟化法.

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Study on Preparation of Perfluoro Tributylamine by Electrolytical Fluorination

电解氟化制备全氟三丁胺研究

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Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂.

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Low cost 3, 4-difluoro nitrobenzene was prepared from 2, 4-dinitrochlorobenzene by two-step fluorination.

二硝基氯苯经二步氟化反应,制得低成本3, 4- 二氟硝基苯.

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In this paper the main progress in synthesis methods of PFTHF as electrochemical fluorination are emphasized.

本文着重阐述了PFTHF的合成方法如电化学氟化法等的研究进展.

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Electrochemical fluorination process may be divided three phases that have different characteristics.

电解反应分为三个阶段，每个阶段均有其不同的特性。

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The classification, synthesis and application of ionic liquids in fluorination were introduced in brief.

本文简要介绍了离子液体的分类 、 合成及其在氟化工艺中的应用.

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Perfluorotriethylamine is fabricated through electrochemical fluorination of triethylamine in anhydrous hydrogen fluoride under a certain condition.

本文通过对无水氟化氢和三乙胺的混合溶液在一定条件下的电解氟化,制备全氟三乙胺.

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Surface fluorination, the new technics of POF cladding, was probed in this paper.

探索了PMMA聚合物光纤 包层的新工艺-表面氟化技术的可行性.

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The structures and properties of activated carbon fibers were studied at fluorination before and after.

研究了活性炭纤维在氟化前后的结构与性能的变化.

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The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.

异氰酸酯可由含氯的环(或非环)状分子氟化而得.

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Development of electrochemical partial fluorination were introduced. The factor: effecting the selectivity of fluorination were reviewed.

简介了电化学选择氟化方法的发展以及最新进展,并着重介绍了影响选择性的因素.

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