作者: Guo-Wei Wang , Ling-Hua Zhuang , Jie Sun , Chun-Ling Zheng
DOI: 10.1007/S10570-014-0345-9
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摘要: A new amino-terminated hyperbranched polymer (at-HBP) was synthesized, and its salt-free dyeing property on ramie fabric studied. The structure molecular weight of at-HBP were established by Fourier transform infrared spectrometer, H nuclear magnetic resonance gel permeation chromatography. untreated modified fabrics characterized an X-ray diffraction (XRD) field emission scanning electron micrograph (FE-SEM). XRD results showed a transformation the crystalline from cellulose I to II allomorph during mercerization epichlorohydrin modification, maintained with obvious crystallinity index increase after modification. FE-SEM confirmed that successfully grafted onto surface. Dyed reactive dye C.I. Blue 4, color strength at-HBP-modified enhanced, even when carried out without electrolyte. washing rubbing fastness also good compared those obtained conventional dyeing. adsorption isotherm 4 examined found follow Langmuir-type model. modification mechanism suggested.