This article is a serial study's: Dyestuff Aggregation Observed by Small-Angle X-ray Scattering. (Part 2). Interaction between the Dyestuff Aggregates in Aqueous Solution

Autor: Shigenobu Yamanaka, Hiroshi Urakawa, Mitsuru Mimura, Kanji Kajiwara, Mitsuo Shimode
Rok vydání: 1996
Předmět:
Zdroj: Sen'i Gakkaishi. 52:301-309
ISSN: 1884-2259
0037-9875
DOI: 10.2115/fiber.52.6_301
Popis: The small-angle X-ray scattering from dyestuff in aqueous solution reveals a peak around 0.1 A-1 caused by the electrostatic interaction between the aggregated particles. By assuming that the scattering profile is composed of the product of the particle scattering from an isolated particle and the interference, the interaction between aggregated particles was evaluated in terms of the hybrid of a Gaussian-type and stretched exponential function, The two dyestuffs chosen to demonstrate the present method, were the reactive dye C.I. Reactive Blue 19 (RB19) and the acid dye copper phthalocyanine tetra-sulfonic acid tetra-sodium salt (CuPc); these dyes have the dimensions of a flat molecule and a symmetrical disk, respectively.
Databáze: OpenAIRE