Elastic relaxation of collapsed poly(alkylacrylamide) gels and their complexes with phenol

Article Abstract:

The binding isotherms of Ph, tensile force measurements, and the small-angle X-ray scattering (SAXS) experiments of N-isopropylacrylamide (NIPA) and N, N-diethylacryl-amide (DEA) gels in aqueous Ph solutions are presented. The results indicate attractive interaction between the phenol molecules and the amide group of NIPA or DEA gel that induces the volume phase transition and condenses the phenol in the chain networks.

Cyclic crudes and intermediates, Cyclic Crude and Intermediate Manufacturing, Phenol, Usage, X-rays, X-ray diffraction, Optical properties, Phenol (Compound), Thermal properties, Chemistry, Physical and theoretical, Physical chemistry

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Salt effects on the volume phase transition of ionic gel induced by the hydrophobic counterion biding

Article Abstract:

An investigation on the salt effects on the volume phase transition on ionic poly(acrylate) gel with a change in the concentration of hydrophobic counterion, dodecylpyridinium chloride (DPC) in outside solution of the gel is presented. The resemblance between salt effects on their phase transition was revealed from the comparison of the gel and the polymer solution.

Hydrophobic effect, Pyridinium compounds

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Effect of hydrophobic substances on the volume-phase transition of N-isopropylacrylamide gels

Article Abstract:

The effects of the addition of hydrophobic substances on the volume-phase transition of N-isopropylacrylamide (NIPA) hydrogels are investigated using Fourier transform infrared (FTIR) spectra. FTIR spectra of the Ph bindings gel suggest that the hydrogen bond forms between the amide group of the NIPA and the hydroxyl group of Ph.

Industrial Gas Manufacturing, Industrial gases, Nitrogen, Spectra, Hydrogen bonding

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