Abstract
The analysis of all kinds of selected chemicals, mixed starch was donethrough a specific process and orthogonal experiments. The best proportion ofthe new type of surface sizing agent was prepared through the glue applicationexperiments, testing paper physical properties. The results showed that thebest formula of surface sizing agent including borax, sodium silicate,anhydrous sodium sulfate, ferrous chloride which ratio is 3:4:2:1. At the sametime modifying agent was added so that the stable performance can be obtainedfrom the solid surface sizing agent. Homemade solid surface sizing agent canmake paper greatly improve the sizing degree, increased by 50.9%, the stiffnessof the tear strength increased by 56.7%, folding degrees increased by 53.0%.Compared with the surface sizing agent market, various aspects index improvedsignificantly.
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