Biolatex, a new type of paper coating adhesive that has been developed in recent years, has mainly been used in pre-coating and middle coating, due to its advantages of decreasing the associated cost and pollution by partly replacing petro-latex. In this paper, application of biolatex as a surface sizing agent and effects of various factors, such as titanium dioxide addition, on the properties of the sized paper were compared. The results showed that, addition of titanium dioxide to biolatex could improve the whiteness, internal bond strength, and ink absorption. Furthermore, application of the No.4 biolatex resulted in better surface strength, bond strength, and ink absorption of the sized paper than application of polyvinyl alcohol.
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