| 无皂硅丙胶乳表面施胶剂的制备及对纸张的增强作用 |
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| 引用本文： | 李翾,沈一丁,费贵强,王海花,杜经武.无皂硅丙胶乳表面施胶剂的制备及对纸张的增强作用[J].高分子材料科学与工程,2009(3):100-102,106. |
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| 作者姓名： | 李翾 沈一丁 费贵强 王海花 杜经武 |
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| 作者单位： | 陕西科技大学化学与化工学院; |
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| 基金项目： | 国家自然科学基金资助项目(50673055);;陕西省自然科学基金资助项目(2003B02) |
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| 摘 要： | 以γ-甲基丙烯酰氧丙基三甲氧基硅烷(KH570)作自交联单体,聚乙烯醇(PVA)为高分子胶体稳定剂,苯乙烯(St)、丙烯酸丁酯(BA)、甲基丙烯酸(MAA)为单体采用无皂种子聚合制备了稳定性好、性能优异的无皂硅丙乳液表面施胶剂,并优化了合成工艺条件。结果表明,当w(MAA)=2%~3%,软硬单体比例n(BA)/n(St)=2~2.5,w(PVA)=10%~15%,w(KH570)=5%时,无皂硅丙乳液表面施胶剂具有优异的施胶效果;以质量分数为1.0%的聚合物乳液进行表面施胶时,纸张施胶度可达14.5 s,表面强度达3.69 m/s,耐折度3300次。
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| 关 键 词： | γ-甲基丙烯酰氧丙基三甲氧基硅烷 表面施胶剂 硅丙乳液 粒子形态 |
Preparation of Silicon-Acrylate Surfactant-Free Latex and Its Effect on Paper Strength |
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| LI Xuan,SHEN Yi-ding,FEI Gui-qiang,WANG Hai-hua,DU Jing-wu.Preparation of Silicon-Acrylate Surfactant-Free Latex and Its Effect on Paper Strength[J].Polymer Materials Science & Engineering,2009(3):100-102,106. |
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| Authors: | LI Xuan SHEN Yi-ding FEI Gui-qiang WANG Hai-hua DU Jing-wu |
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| Affiliation: | Institute of Light Chemical Industry Materials and Design of Shaanxi University of Science & Technology;Xi'an 710021;China |
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| Abstract: | With γ-(methacryloxypropyl)trimethoxy silane(KH570) as self-crosslinking monomer,polyvinyl alcohol(PVA) as polymeric colloid stabilizer,a kind of silicon-acrylate surfactant-free latex with good stability and excellent sizing performance was successfully synthesized with reacting styrene(St),butyl acrylate(BA) and methacrylic acid(MAA) by the free-radical copolymerization.At the same time,the synthetic process was optimized.The emulsion is endowed with excellent sizing performance when w(MAA)=2%～3%,n(BA)/n(St)=2～2.5,w(PVA)=10%～15%,and w(KH570)=5% and with 1.0% polymer emulsion addition,the sizing grade can reach 14.5 s,and surface strength approaches 3.69 m/s,folding endurance 3300 times. |
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| Keywords: | γ-(methacryloxypropyl)trimethoxy silane surface sizing agent silicon-acrylate emulsion particle morphology |
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