以苯乙烯、丙烯酸丁酯、N-羟甲基丙烯酰胺、丙烯酰胺为原料,用聚乙烯醇(PVA)作为胶体保护剂,采用无皂乳液聚合方式,制备苯乙烯-丙烯酸酯树脂乳液;以HDI三聚体和聚乙二醇单甲醚(MPEG500)为主要原料制备水可分散聚异氰酸酯.苯乙烯-丙烯酸酯树脂乳液与亲水改性聚异氰酸酯复合,得到水分散多异氰酸酯交联改性的苯乙烯-丙烯酸酯树脂.研究了改性共聚物乳液的粒径及其分布、表观黏度及其耐水性和力学性能.结果表明,加入交联剂后乳液粒径变大,粒径分布变宽,表观粘度上升,涂膜拉伸强度和耐水性得到显著提高.用傅里叶变换红外光谱、热重手段对改性共聚物的结构及性质进行了表征.
参考文献
| [1] | Zhang, SW;Liu, R;Jiang, JQ;Bai, HY .Film formation and mechanical properties of the alkoxysilane-functionalized poly (styrene-co-butyl acrylate) latex prepared by miniemulsion copolymerization[J].Progress in Organic Coatings: An International Review Journal,2009(1):56-61. |
| [2] | Kong, XZ;Zhu, XL;Jiang, XB;Li, XF .Preparation and full characterization of cationic latex of styrene-butyl acrylate[J].Polymer: The International Journal for the Science and Technology of Polymers,2009(17):4220-4227. |
| [3] | Andersson C;Backfolk K .Interdiffusion in carboxylated styrene/butyl acrylate latex films studied by topographic and thermal analysis[J].Progress in Organic Coatings: An International Review Journal,2008(1):63-71. |
| [4] | 马好;沈一丁 .[J].中国造纸学报,2008,23(03):60-62. |
| [5] | Yin NW;Chen KQ;Kang W .Preparation of BA/ST/AM nano particles by ultrasonic emulsifier-free emulsion polymerization[J].Ultrasonics sonochemistry,2006(4):345-351. |
| [6] | 李莉,饶喜梅,刘好,高明志,许戈文.新型水性聚氨酯固化剂的合成及性能[J].中国胶粘剂,2006(12):10-13. |
| [7] | Hajime S;Masaki W;Masataka O .Water-dispersible Polyisocyanate Composition,Production Thereof,and Water based Curable Composition and Application Thereof[P].USP:7417090,2008-08-26. |
| [8] | Chao-Fong T;Charles H;Santosusso R et al.Two Component Waterborne Crosslinkable Polyurethane/acrylate-hybrid Systems[P].USP:5594065,1997-01-14. |
| [9] | Krefeld C I;I.aas H J;Kremer K W et al.Binder Compositions and Their Use in Aqueous Coating and Adhesive Compositions[P].USP:6,420,2002-07-16(B1). |
| [10] | Laas H J;Uladbach B;Brahm M et al.Highly Functional Polyisocyanate Mixtures Which are Dispersible in Water[P].USP:6777523 B1,2004-08-17. |
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