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Citation: Chen Shun-Qing, Yang Ya-Hong. The Fluorescence Studies of a Hydrophobically Modified Polyelectrolytes[J]. Acta Physico-Chimica Sinica, ;1998, 14(04): 380-384. doi: 10.3866/PKU.WHXB19980419 shu

The Fluorescence Studies of a Hydrophobically Modified Polyelectrolytes

1.
Department of Chemistry,Huazhong University of Science and Technology,Wuhan 430074

Received Date: 10 July 1997
Available Online: 15 April 1998

Epichlorohydrin (ECH) and tetraethylenepentamine(TEPA) were copolymerized and the copolymers were modified hydrophobically using a pendant C18 hydrophobic group (HPTE).Hydrophobic interaction of modified polymer was investigated by fluorescence using pyrene as a probe. It reveals that hydrophobic microdomains are formed by aggregation of hydrophobic side chains. The water in hydrophobic microdomains is in a state of diffusion equilibrium under the hydrophobic interaction. Critical aggregate concentration (c*cac) of HPTE decreases with increasing content of the bound hydrophobic groups.
- Polysoap,
- Fluorescent probe spectrum,
- Hydrophobic interaction,
- Hydophobic microdomain
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