dehydrogenated rosin,westvaco rosin 90是什么意思

网络释义

用法例句

A new unsymmetrical Bolaform surfactant,namely disodium sulfodehydroabietate(DSDA)was synthesized by sulfonation of dehydroabietic acid followed by neutralization,and its structure was characterized by FT-IR,1H NMR and MS.

以脱氢松香酸为原料,经磺化、中和反应合成了一种非对称Bola型表面活性剂磺化脱氢松香酸二钠盐(DSDA),利用FT-IR、1HNMR及MS对目标产物结构进行确证,采用表面张力法确定了DSDA在303。

A new sulfodehydroabietic acid based bis-quaternary ammonium cationic surfactant(Ⅲ) was synthesized by sulfonation of dehydroabietic acid,followed by reaction with epoxypropyl triethyl ammonium chloride.

以脱氢松香酸为原料,经磺化后,与试剂环氧丙基三乙基氯化铵反应合成了一种新型磺化脱氢松香基双季铵盐阳离子表面活性剂(Ⅲ),通过红外光谱对中间体及目标产物的结构进行确认,并测定Ⅲ的表面活性以及与十二烷基硫酸钠(SDS)复配体系的表面活性。

Starting from methyl dehydroabietate, six derivatives of methyl 12-substituted-dehydroabietate were synthesized through several steps, such as bromation, nitration, reduction and diazotization, and the effect of the different groups of methyl 12-substituted-dehydroabietate derivatives on their UV and fluorescence properties was also investigated.

以脱氢松香酸甲酯为原料,经溴代、硝化、还原、重氮化等步骤合成了6种12位取代的脱氢松香酸甲酯衍生物,研究了12位上不同取代基对它们紫外、荧光性质的影响;然后再分别以得到的12-氯脱氢松香酸甲酯和12-溴脱氢松香酸甲酯为起始物,经双硝化、氧化、脱异丙基硝化等步骤合成了一系列重要的脱氢松香酸甲酯卤代硝化衍生物,并对12-氯脱氢松香酸甲酯、12-溴-13,14-二硝基脱氢松香酸甲酯的单晶进行了X射线衍射表征。

Starting from dehydroabietic acid and methyl dehydroabietate,six aromatic ketones containing rosinyl skeleton were synthesized through Friedel-Crafts acylation,using aluminum chloride anhydrous as catalyst.

以脱氢松香酸和脱氢松香酸甲酯为原料,经傅-克酰基化反应合成6种脱氢松香基芳酮衍生物,产物用红外光谱和核磁共振谱进行表征。