INTRINSIC VISCOSITY AND CONFORMATION OF POLY(ACRYLIC ACID)IN AQUEOUS SOLUTION

Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (3): 37-41.

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INTRINSIC VISCOSITY AND CONFORMATION OF POLY(ACRYLIC ACID)IN AQUEOUS SOLUTION

Bo Shuqin, Yu Hong, Hao Kejun

Polymer Physics Laboratory, Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received:1990-03-21 Revised:1990-09-04 Published:1991-06-10 Online:1991-06-10

Abstract

Abstract: The intrinsic viscosities of poly(acrylic acid) samples with various degrees of neutrali-zation were measured in the aqueous solution of different concentration of NaCl.The depen-dence of the conformation change of polyion on the concentration of polymer, the chargedensity and the ionic strength of the solution were observed.The quantitative results, thereversible relationship between the logarithm of reduced viscosity, η_sp/C, and the logarithmof the concentration of salts.C_s, and proportional relationship between the intrinsic visco-sity and square root of the charge density of polyion were obtained.

Key words: poly(aciylic acid), polyelectrolyte, intrinsic viscosity, conformation

Bo Shuqin, Yu Hong, Hao Kejun. INTRINSIC VISCOSITY AND CONFORMATION OF POLY(ACRYLIC ACID)IN AQUEOUS SOLUTION[J]. Chinese Journal of Applied Chemistry, 1991, 0(3): 37-41.

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INTRINSIC VISCOSITY AND CONFORMATION OF POLY(ACRYLIC ACID)IN AQUEOUS SOLUTION

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