Salt-free dyeing isotherms of cotton fabric grafted with PPI dendrimers
作者： Samera Salimpour Abkenar , Reza Mohammad Ali Malek , Firouzmehr Mazaheri , None
DOI: 10.1007/S10570-014-0534-6
关键词:
摘要: In this work, cotton fabrics grafted with poly (propylene imine) PPI dendrimers (second and fifth generations) were dyed three different direct dyes (Direct Orange 34, Direct Red 83 Blue 199) using the salt-free dyeing method. Results showed that color strength (K/S) of samples had been markedly enhanced compared control samples. addition, equilibrium kinetic data dye sorption process evaluated well-known mathematical models. It was found isotherm both 34 83) followed Langmuir model, while Freundlich model able to describe 199 on fabric. Furthermore, experimental fitted by nonlinear pseudo-second order model. Wash, light rubbing fastnesses also investigated.
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