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匿名

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chengcj.2008

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Bluekingdom: 金币+20, 翻译EPI+1, ★★★★★最佳答案, 谢谢您!!! 2014-03-13 20:08:40
明胶(Gelatin)能和羧甲基纤维素钠(CMC)形成共凝聚物,这一特性也在我们的实验中得到了验证。可能的机理如下:
CMC能在水中电离,生成大量的—COO-,从而形成带负电的大分子(图A),pH约为7.0~7.8。明胶主体成分为蛋白质,在该pH条件下主要发生酸式电离,能生成大量的—NH3+,从而形成带正电的大分子。正负电荷相互作用,互相吸引,共同凝聚,形成稳定的分散体系。
Gelatin and CMC can form gel copolymer, which has been validated in our experiment. The possible mechanism is as follows:
CMC may be electronionized in water to form quantities of -COO-, thus further forming macromolecules with electronegative charge whose pH value is about 7.0-8.0.  The main component of gelatin is  protein that can be acidically electroionized to produce many —NH3+, thus forming macromolecules with electropositive charge. Interaction and abstract of electronegative and elctropositive charges cause gelation to form stable dipersing system.
3楼2014-03-13 18:37:56
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mac194

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Bluekingdom: 金币+10, 谢谢楼下帮助,先给10BB 2014-03-09 12:52:29
RXMCDM: 金币+1, 多谢应助! 2014-03-09 15:37:14
脨隆碌脺脥芒脨脨,虏禄脛脺碌脌碌脴路颅脪毛,脰禄脛脺脤谩鹿漏脧脿鹿脴脫垄脫茂脩搂卤篓脨脜脧垄,路陆卤茫脛脷脨脨脠脣脢脢碌卤脩隆麓脢
赂脨脨禄 LZ 脠脙脨隆碌脺路垄脧脰麓贸路陆脟脪脤谩鹿漏脮陋脪陋脢脫脝碌碌脛潞脙脩搂卤篓 "New Journal of Physics",陆篓脪茅 LZ 驴录脗脟
脫脨鹿脴 "Gelatin-Sodium Carboxymethyl Cellulose Polyelectrolyte Complex" 碌脛脗脹脦脛脪脩脫脨脠脣路垄卤铆
---------------------------
"Article #1"
Preparation and Evaluation of Gelatin/Sodium Carboxymethyl Cellulose Polyelectrolyte Complex Microparticles
  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2799610/

"Article #2"
Hydrogels: Methods of Preparation
  https://www.intechopen.com/download/get/type/pdfs/id/17237

"NJP Article"
A nanostructural investigation of glassy gelatin oligomers
  https://iopscience.iop.org/1367-2630/14/3/035016/article
---------------------------
小段话 和高分子以及反应机理有关,请各位达人踊跃相助
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小段话 和高分子以及反应机理有关,请各位达人踊跃相助-1
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小段话 和高分子以及反应机理有关,请各位达人踊跃相助-2
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小段话 和高分子以及反应机理有关,请各位达人踊跃相助-3
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2楼2014-03-09 04:30:39
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