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mayulz

铁虫 (初入文坛)

[求助] 没食子酸正丙酯的临界胶束浓度? 已有1人参与

一直查不到没食子酸正丙酯的临界胶束浓度吗?好苦恼!!
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ody2004

至尊木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
根据这个作者回复的审稿人意见,PG自己是没有CMC的。所以文献上都是复配胶体的CMC。
All published models for mixed micelles deal with two surfactants. This means calculating excess surface concentration for mixed micelles require cmc of the surfactant and the cmc of the co-surfactant (in our case propyl gallate). In contrast to long-chain alcohols which are able to build small and unstable aggregates, propyl gallate does not exhibit a cmc. Therefore we do not regard propyl gallate as a surfactant but as a solute which is incorporated into the micelle/palisade layer or as cosurfactant as defined by (Skoulios, Ann. Phys. 1978,3:421).

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  • 2016-05-06 23:16:04, 688.23 K

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2楼2016-05-06 23:16:05
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mayulz

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引用回帖:
2楼: Originally posted by ody2004 at 2016-05-06 23:16:05
根据这个作者回复的审稿人意见,PG自己是没有CMC的。所以文献上都是复配胶体的CMC。
All published models for mixed micelles deal with two surfactants. This means calculating excess surface concentration  ...

看到这个回复真是喜出望外,本来已经绝望,今天偶然发现居然有回复~
3楼2016-05-08 21:20:50
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mayulz

铁虫 (初入文坛)

引用回帖:
2楼: Originally posted by ody2004 at 2016-05-06 23:16:05
根据这个作者回复的审稿人意见,PG自己是没有CMC的。所以文献上都是复配胶体的CMC。
All published models for mixed micelles deal with two surfactants. This means calculating excess surface concentration  ...

我是看到一篇文献上有这样的描述:A key feature of our approach is the use of short amphiphiles (typically <8 carbon atoms) which exhibit high solubility and high critical micelle concentrations in the aqueous phase. This is a primary requisite to enable the surface modification of a high concentration of colloidal
particles in the liquid phase.【Angew. Chem. Int. Ed. 2006, 45, 3526 –3530】非常感谢你的帮助,将此分享与大家共同交流。

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  • 2016-05-08 22:12:26, 486.67 K
4楼2016-05-08 22:12:43
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