1) etherifying agent
醚化剂
1.
Cl-2-hydroxypropyltrimethyl-muriate of ammonia is an improtant assistant in the industry of making paper,which is used as etherifying agent,in producing process of cationie corn starch in this paper,epichlorohydrin is direct extracted by using carbon disulfide as extracting agent and determined with gas chromatography,which is a simple method of high accuracy.
３－氯－２－羟丙基三甲基氯化铵是造纸工业中的重要助剂，主要作为醚化剂用于阳离子淀粉的生产。
2.
When preparing quaternary ammonium salt type active etherifying agent—epoxychloropropyl trimethylammonium chloride with epichlorohydrin and trimethylamine,its synthesizing process is difficult to control,for trimethylamine is a kind of gas.
采用环氧氯丙烷和三甲胺制备季铵盐型活性醚化剂环氧氯丙基三甲基氯化铵时,由于三甲胺为气态,其合成工艺较难控制,为此,探讨用液态三乙胺替代气态三甲胺合成季铵盐型阳离子醚化剂环氧氯丙基三乙基氯化铵(GTA)的方法。
2) etherification agent
醚化剂
1.
Meanwhile, the dosages of etherification agent and alkali influencing on degree of substitution and reaction efficiency are discussed.
同时讨论了醚化剂用量和碱的用量对取代度和反应效率的影响 ,确定了合成阳离子淀粉反应的最佳碱催化剂用量为 1%。
2.
The effect of amounts of the etherification agent, the catalyst, reaction temperature, reaction time on the degree of substitution and reaction efficiency was emphatically discussed, under conditions: starch 100 kg, etherification agent CHPT5.
介绍了季铵型阳离子淀粉的湿法生产工艺 ,着重讨论了合成反应过程中催化剂用量、醚化剂用量、反应温度、反应时间等因素对取代度和反应效率的影响。
3.
Cassava starch as a raw material was reacted with the mixture of a cationic etherification agent and an alkaline catalyst,and the quaternary ammonium type cationic starch was synthesized by using the wet process.
以木薯淀粉为原料与阳离子醚化剂和碱性催化剂的混合物进行反应 ,采用湿法合成季铵型阳离子淀粉 。
3) etherizing agent
醚化剂
1.
Modified sweet potato starch flocculants were prepared with cationic etherizing agent and microwave technique,and used to treat the dyeing and printing wastewaters.
采用微波辐射技术,用阳离子醚化剂对红薯淀粉进行改性,制备了改性红薯淀粉絮凝剂,并用其处理印染废水。
2.
Chloro 2 hydroxypropyl trimethyl ammonium chloride an etherizing agent,for modified starch, was synthesised from epichlorohydrin.
以环氧氯丙烷为原料合成了 3-氯 - 2 -羟丙基基三甲基氯化铵 ,后者作为改性淀粉的醚化剂。
4) ether agent of CTA
醚化剂CTA
1.
The typical application of ether agent of CTA in the synthesis of fine-chemical organic compound and in the modification of polymer is introduced in this paper.
本文介绍了醚化剂CTA在精细有机化合物合成及高分子化合物改性中的典型应用和CTA的基本生产方法,并 比较了不同生产方法的各自特点,同时分析了醚化剂CTA的基本市场情况,指出高质量的CTA具有良好的市场发展前。
6) domestic etherifying agent
国产醚化剂
补充资料：聚醚醚酮胶黏剂
分子式：
CAS号：
性质：又称聚芳醚酮胶黏剂。以线型芳香族高分子化合物聚醚醚酮为基体的耐热胶黏剂。由4,4′-二氟苯酮与对苯二酚经缩聚反应而得。长期使用温度220℃，最高使用温度240℃。具有优良的耐热性、耐热水性、耐辐射性和化学稳定性。通常采用静电涂覆或熔融粘贴工艺胶接。主要用于层压复合材料的胶接。
CAS号：
性质：又称聚芳醚酮胶黏剂。以线型芳香族高分子化合物聚醚醚酮为基体的耐热胶黏剂。由4,4′-二氟苯酮与对苯二酚经缩聚反应而得。长期使用温度220℃，最高使用温度240℃。具有优良的耐热性、耐热水性、耐辐射性和化学稳定性。通常采用静电涂覆或熔融粘贴工艺胶接。主要用于层压复合材料的胶接。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条