dihydric alcohol

[daiˈhaidrik ˈælkəˌhɔl]
  • 释义

    二元醇,二羟醇;

数据更新时间:2024-12-23 00:04:29
1、

The Selective Protection of Dihydric Alcohol in Organic Synthesis

有机合成中二元醇的选择性单官能团保护

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2、

2, 2-Dimethylolpropionic acid is an intermediate for dyes and pesticides. It can be used to synthesize a series of esters and metal salts of DMPA and also be used to synthesize hindered phenolic antioxidants. DMPA can join polycondensation reaction as a dihydric alcohol.

2,2-二羟甲基丙酸(DMPA)是染料及农药的中间体,还可以制成一系列的DMPA的酯类和金属盐类,也可用来合成受阻酚类抗氧剂,DMPA作为一种二元醇可以参加缩聚反应。

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3、

Ester bond can be formed through the polycondensation of hard segment monomer with uniform segment length containing amide bond and dihydric alcohol, which is a better way to prepare polyesteramide.

先制备具有均一链长的含有酰胺键的硬段单体,然后与二元醇进行缩聚反应生成酯键是制备性能良好的聚酰胺酯的较好途径。

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4、

Qualitative and quantitative analysis were carried out to determine dihydric alcohol purified from triethylene glycol residue by gas chromatorgraphy. using chromosorb GAW DMCS as carrier coated with 3% SE-31 stationary liquid, tested on a U-shape glass chromatographic column.

采用气相色谱法,以ChromosorbGAWDMCS为担体,涂3%的SE-31固定液,在U型管色谱法柱上,对三乙二醇残渣净化所得二、三、四乙二醇进行了定性定量分析。

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5、

The method and the condition of separation epoxy ethane from dihydric alcohol are described.

介绍了环氧乙烷与二元醇的分离方法和条件.

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6、

The title catalyst was used for preparing monohydric alcohol acetate, dihydric alcohol acetate and other carboxylic acid ester.

将所研制的层状表面相锆基固体酸催化剂用于一元、二元醇醋酸酯和其他羧酸酯类产品的合成,考察了其催化性能。

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7、

Qualitative and Quantitative Analyses of Purified Dihydric Alcohol by Gas Chromatography

气相色谱法对净化二元醇的定性定量分析

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8、

The method and the condition of separation epoxy ethane from dihydric alcohol are discribed.

介绍了环氧乙烷与二元醇的分离方法和条件。

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