A new polymerizable anthraquinone dye

1-(m-(2-(2-(acryloxyl)ethoxyl)ethylsulfonyl) anilino)anthraquinone (AVSAQ)

was designed and synthesized via multiple reactions

and then copolymerized with styrene (St)

butyl acrylate (BA) and methacrylic acid (MAA) by semi-continuous emulsion polymerization to fabricate the covalently colored P(St-BA-MAA-AVSAQ) latex.The chemical structure of AVSAQ

the properties of the P(St-BA-MAA-AVSAQ) latexes and their latex films were characterized

and the influences of the AVSAQ and ammonium persulfate (APS) on the monomer conversion and the colloidal properties of the latexes were investigated.Results showed that the emulsion polymerization performed smoothly with AVSAQ amount equal to or less than 4.0 wt% and APS amount equal to or more than 0.5 wt% based on the total monomers

and the average hydrodynamic diameter of the latex particle was about 60 nm.Both the conversion of the total monomers and the conversion of AVSAQ decreased with increasing amount of AVSAQ

and when AVSAQ amount reached 4.0 wt%

the conversion of the total monomers and AVSAQ was 95.0% and 93.6%

respectively.The UV-Vis spectrum of the covalently colored P(St-BA-MAA-AVSAQ) was as same as that of AVSAQ with max 486.8 nm.Comparing with the non-covalently colored polymer latex

P(St-BA-MAA-AVSAQ) latex exhibited advanced storage stability and color retention

and the latex film possessed excellent fastness towards light and solvent.