Foams stabilized by mixed cationic gemini/anionic conventional surfactants
被引:0
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作者:
Jianxi Zhao
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机构:Fuzhou University,Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering
Jianxi Zhao
Wensheng Zou
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h-index: 0
机构:Fuzhou University,Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering
Wensheng Zou
机构:
[1] Fuzhou University,Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering
来源:
Colloid and Polymer Science
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2013年
/
291卷
关键词:
Gemini surfactant;
Cationic/anionic surfactants;
Foam stability;
Salt effect;
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摘要:
The mixed adsorption of a cationic gemini surfactant, ethanediyl-1,2-bis(dodecyldimethylammonium bromide) (abbreviated as 12-2-12), and an anionic conventional surfactant, sodium dodecyl sulfate (SDS), was examined using surface tension measurements. The viscoelastic properties of the mixed films were investigated by dilational interfacial rheology technique. The results showed that the addition of SDS promoted the close packing of adsorbed molecules at the interface, which increased the dilational elasticity of the mixed films. The stability of the foams was determined by the half-life of foam height collapse. The foams generated by 12-2-12/SDS mixtures were more stable than that formed by pure 12-2-12. In the presence of sodium bromide, the foam stability was further enhanced and the surfactant concentration required to attain the maximum effect in stabilizing foams was greatly reduced. The high foam stability could well relate to the high elasticity of the film.
机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Azum, Naved
Rub, Malik Abdul
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机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Rub, Malik Abdul
Asiri, Abdullah M.
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机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Asiri, Abdullah M.
Khan, Aftab Aslam Parwaz
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机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Khan, Aftab Aslam Parwaz
Khan, Anish
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h-index: 0
机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Azum, Naved
Rub, Malik Abdul
论文数: 0引用数: 0
h-index: 0
机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Rub, Malik Abdul
Khan, Anish
论文数: 0引用数: 0
h-index: 0
机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Khan, Anish
Alotaibi, Maha M.
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机构:
King Abdulaziz Univ, Fac Sci, Chem Dept, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Alotaibi, Maha M.
Asiri, Abdullah M.
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机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
King Abdulaziz Univ, Fac Sci, Chem Dept, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
Asiri, Abdullah M.
Rahman, Mohammed M.
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机构:
King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi ArabiaKing Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia
机构:
Aligarh Muslim Univ, Dept Petr Studies, Aligarh 202002, Uttar Pradesh, IndiaAligarh Muslim Univ, Dept Petr Studies, Aligarh 202002, Uttar Pradesh, India