1) carboxylation
[英][kɑ:,bɔksə'leɪʃən] [美][kɑr,bɑksə'leʃən]
羧基化
1.
The extent of carboxylation was measured by the weight percent gain(WPG).
研究发现,采用丁二酸酐直接处理蔗渣可以将羧基引入蔗渣中,羧基化的程度随着反应时间、酸酐用量、反应温度的提高而提高。
2.
Maleic anhydride and phthalic anhydride were used to carboxylate unprocessed sugarcane bagasse after ultrasonic radiation,and the effects of ultrasonic radiation time,the reaction temperature and the anhydride dosage on the carboxylation yield were investigated.
采用马来酸酐和邻苯二甲酸酐直接处理未经成分分离的超声预处理后的蔗渣,将羧基引入蔗渣中,考察了超声波预处理时间、反应温度、酸酐用量对羧基化产率的影响,并与经丁二酸酐处理的蔗渣进行了比较。
3.
Graft polymerization of acrylic acid (AA) was used to fabricate surface carboxylation poly(L-lactide) (PLLA) film by low-temperature plasma to develop its cell affinity and the growth behavior of the L929 fibroblast was investigated.
用低温等离子体接枝聚合丙烯酸获得表面羧基化的PLLA膜并对其表面性能进行表征。
2) carboxylic
[英][,kɑ:bɔk'silik] [美][,kɑrbɑk'sɪlɪk]
羧基化
1.
Three carboxylic resins with hydrophilic PVA matrix containing hydroxyl groups were prepared by the introduction of diverse carboxylic groups such as carboxylic methyl, succinic and p-phthalic acid.
3种羧基化树脂及基质树脂对赖氨酸的吸附性能用静态吸附等温线方法测定。
3) Carboxymethylation
羧甲基化
1.
Exploratory studies on the carboxymethylation of cassava starch in water-miscible organic media;
水混合有机介质中木薯淀粉的羧甲基化研究
2.
Temperature-controlling microwave reaction apparatus and its application to carboxymethylation reaction of chitosan;
控温下微波反应装置用于壳聚糖羧甲基化反应
4) carboxy methylation
羧甲基化
1.
Improvement of the preparation method for carboxy methylation of konjac glucomannan;
魔芋葡甘聚糖羧甲基化方法改进研究
2.
According to the molecular structural characteristics of konjac glucomannan(KGM),the improved preparation method for carboxy methylation of KGM was proposed,and the substitution of the carboxymethyl knojac glucomannan was 0.
对魔芋葡甘聚糖进行羧甲基化改性,制得醚化度为0。
3.
The preparation method for carboxy methylation of konjac glucomannan(KGM)was proposed in this paper according to molecular structural characteristics of KGM.
针对魔芋葡甘聚糖(KGM)分子结构特性进行羧甲基化改性,在乙醇介质中先混合醚化试剂,再进行碱化催化反应制备羧甲基魔芋葡甘聚糖(CMK)。
5) carboxymethyl
羧甲基化
1.
On the basis of preparation of hydroxypropyl potato starch,the carboxymethylation of Potato hydroxypropyl starch was studied in this study.
文中讨论氯乙酸用量、NaOH用量、反应时间、反应温度对羟丙基羧甲基马铃薯淀粉的取代度(DS)的影响,结果表明:羟丙基马铃薯淀粉羧甲基化的最佳条件为反应温度60℃,反应时间4 h,NaOH用量75%,氯乙酸用量65%。
6) carboxylation agent
羧基化剂
补充资料：羧基化作用
分子式：
CAS号：
性质：在有机化合物分子中引入羧基(-COOH)的反应。例如：格利雅试剂RMgX与CO2的加成产物水解后生成羧酸RCOOH，酚钠盐与CO2在加压、加热条件下反应生成酸，羟基腈水解得到羟基酸，氨基腈水解得到氨基酸，在催化量的四羰基镍Ni(CO)4、醋酸钾和水存在下用CO处理溴代芳烃ArBr可以得到高产率的羧酸ArCOOH等等。羧基化反应是制备各种羧酸的重要方法。
CAS号：
性质：在有机化合物分子中引入羧基(-COOH)的反应。例如：格利雅试剂RMgX与CO2的加成产物水解后生成羧酸RCOOH，酚钠盐与CO2在加压、加热条件下反应生成酸，羟基腈水解得到羟基酸，氨基腈水解得到氨基酸，在催化量的四羰基镍Ni(CO)4、醋酸钾和水存在下用CO处理溴代芳烃ArBr可以得到高产率的羧酸ArCOOH等等。羧基化反应是制备各种羧酸的重要方法。
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