期刊
PROGRESS IN ORGANIC COATINGS
卷 73, 期 2-3, 页码 149-154出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2011.10.006
关键词
Encapsulation; Phthalocyanine blue pigment; Polymerizable dispersant; Emulsion polymerization
资金
- Fundamental Research Funds for the Central Universities [JUSRP21103]
- Ph.D. Science Foundation for Industry of Jiangsu Province [BK2009582]
- Jiangnan University
Polymer-encapsulated phthalocyanine blue pigment dispersion was prepared with a polymerizable dispersant by emulsion polymerization method, and the effect of preparation conditions on the particle size of dispersion was investigated. Dynamic light scattering measurement demonstrated that allyloxy nonyl-phenoxypropanolpolyoxyethyleneetherammonium sulfonate (ANPS) was suitable for phthalocyanine blue pigment modification. The polymer-encapsulated phthalocyanine blue pigment dispersion with the small particles was obtained when the mass ratio of ANPS to phthalocyanine blue pigment, styrene (St) to phthalocyanine blue pigment, and ammonium persulfate (APS) to St was about 0.2, 0.2, and 0.01, respectively. Transmission electron microscopy (TEM), Fourier transforms infrared spectra (FTIR) and thermogravimetric analyses (TGA) provided supporting evidences for the encapsulation of phthalocyanine blue pigment with the formed copolymer. The polymer-encapsulated phthalocyanine blue pigment dispersion showed excellent stabilities to freeze-thaw treatment and centrifugal force. (C) 2011 Elsevier B.V. All rights reserved.
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