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| Preparation and Characterization of Cationic Acrylate-silica Hybrid Latex Surface Sizing Agent |
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| DOI：10.11980/j.issn.0254-508X.2016.01.003 |
| Key Words:cationic emulsion hybrid latex surface sizing agent water-resistance |
| Author Name | Affiliation | | 王 月1 | 1.浙江大学聚合与聚合物工程研究所,化学工程国家重点实验室,浙江杭州，310027 | | 张庆辉2 | 2.常州博润新材料科技有限公司,江苏常州,213000 | | 方仕江1,2,* | 1.浙江大学聚合与聚合物工程研究所,化学工程国家重点实验室,浙江杭州，310027
2.常州博润新材料科技有限公司,江苏常州,213000 |
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| Abstract:Series of cationic acrylate/silica hybrid latexes were prepared by semi-continuous seed emulsion polymerization, using styrene, butyl acrylate, (2-(methacryloyloxy) ethyl) trimethyl ammonium chloride and acrylamide as monomers. The optimal condition of semi-continuous emulsion polymerization of a pre-emulsion was pH value of 2.25 in the presence of 0.5% initiator AIBA, on the mixture of St and BA, and 2% silica was added along with the hydrophilic monomers. The Cobb value of the paper sized by latex with 2% dropped 71% compared with the paper sized by pure poly-acrylate emulsionand the ring crush index of the paper sized by latex with 2% silica increased by 41%. Though the water resistance of the paper sized by the latex with 8% silica was not as good as the latex with 2% silica, the contact angle increased to 120°. |
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