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self assemble behavior of triblock copolymers in solution

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
 

The aqueous solutions of two triblock copolymers of poly(oxybutylene/oxyethylene /oxybutylene) were studied by surface tensiometry, viscometry and dynamic laser light scattering techniques at various temperatures (293, 303, 313 and 323K).Effect of block architecture and temperature on surface and miceller properties was also studied. Critical micelle concentration (CMC) and thermodynamics of micellization were determined by surface tensiometry. Surface activity of these triblock copolymers was studied by measuring surface parameter i.e surface pressure (?), surface excess concentration ( ? ), area per molecule (oA), of polymer and standard Gibb?s free energy of adsorption (?Gads) at different temperature. Miceller parameter like CMC, surface tension at CMC (?CMC) were determined. Thermodynamic parameters, standard free energy of micellization (?Gmic), standard entropy of micellization (?Smic) and enthalpy (?Hmic) was calculated from CMC value at different temperature.Viscometry was used to determine intrinsic viscosity (?) and intermicellar interactions (KH) using Huggins?s equation. Dynamic light scattering was used for determination of hydrodynamic radius (Rh).

Product Specifications
SKU :COC98520
AuthorImad Ud Din,Mohsan Nawaz and Israr Ahmad
LanguageEnglish
BindingPaperback
Number of Pages76
Publishing Year2011-12-19T00:00:00.000
ISBN978-3847319924
Edition1 st
Book TypePhysical chemistry
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-18 00:00:00
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