酰基陽離子 的英文怎麼說
中文拼音 [jīyánglízi]
酰基陽離子
英文
acylium cation-
The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed
摘要評述了硫酸、鹽酸、氯磺酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、硫酸鐵、硫酸鋁、硫酸鈦、一水硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸酯和對甲苯磺酰氯等催化劑催化合成1 -萘乙酸甲酯的方法。For this purpose, 2, 5 - diaminobenzene sulphonic acid ( dabsa ) [ c6h3 ( nh2 ) 2so3h ] can be selected as one monomer of ip reaction. the other monomer can be trimesoyl chloride ( tmc ) [ c6h3 ( coc1 ) 3 ]. in order to introduce the cationic group into membrane, 4 - ( chloromethyl ) benzoyl chloride ( cmbc ) [ ch2c1c6h4 ( coc1 ) ] could be added into organic phase ( tmc ) and used for chemical modification after ip process based on the reaction between 4 - ( chloromethyl ) benzoyl chloride and trimethylamine ( tma )
為了引入陽離子交換基團，本文採用2 ， 5 -二胺基苯磺酸作為界面聚合的無機相單體；為了引入陰離子交換基團，在均苯三甲酰氯有機相單體中加入一定量的4 -氯甲基苯酰氯，並考慮在無機相中加入適量的聚乙烯亞胺（ pei ）以增加其正荷電性。Chitooligosaccharide is a kind of oligosaccharide which is made from chitin or chitosan by chemical or enzymatic decomposing method
它是甲殼質經脫乙酰基而得到的一種天然陽離子多糖。
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