欢迎登录材料期刊网

材料期刊网

高级检索

采用化学方法制备了一种中空二氧化硅微球掺杂改性的聚氨酯水性分散体乳液,并采用扫描电镜、投射电镜、热失重、紫外-可见光吸收和涂膜力学性能等测试手段对该中空二氧化硅微球掺杂聚氨酯分散体及其涂膜的微观结构、热、光和力学等性能进行研究.实验结果表明,该乳液具有良好的室温贮存稳定性能,中空二氧化硅微球与水性聚氨酯分散体具有良好的相容性和协同增强效应.中空二氧化硅微球的掺杂改性不仅能够提高聚氨酯涂膜的耐热性能,显著提高水性聚氨酯涂膜的硬度和耐水性,同时该掺杂聚氨酯涂膜还具有优异的抗紫外光能力.

参考文献

[1] Bai CY;Zhang XY;Dai JB;Zhang CY .Water resistance of the membranes for UV curable waterborne polyurethane dispersions[J].Progress in Organic Coatings: An International Review Journal,2007(4):331-336.
[2] D.K.Chattopadhyay;K.V.S.N.Raju .Structural engineering of polyurethane coatings for high performance applications[J].Progress in Polymer Science,2007(3):352-418.
[3] Ajaya K.Nanda;Douglas A.Wicks .The influence of the ionic concentration,concentration of the polymer,degree of neutralization and chain extension on aqueous polyurethane dispersions prepared by the acetone process[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(6):1805-1811.
[4] Nanda AK;Wicks DA;Madbouly SA;Otaigbe JU .Nanostructured polyurethane/POSS hybrid aqueous dispersions prepared by homogeneous solution polymerization - art. no. MA060809H[J].Macromolecules,2006(20):7037-7043.
[5] Anila Asif;Wenfang Shi .UV curable waterborne polyurethane acrylate dispersions based on hyperbranched aliphatic polyester: effect of molecular structure on physical and thermal properties[J].Polymers for advanced technologies,2004(11):669-675.
[6] 浦鸿汀,侯继斅,杨正龙.有机/无机纳米复合质子交换膜的研究进展[J].材料科学与工程学报,2005(01):137-141.
[7] 浦鸿汀,秦深,杨正龙,万德成,袁俊杰.聚乙烯咪唑/POSS纳米复合质子导电材料的制备与性能研究[J].功能材料,2007(09):1499-1502,1506.
[8] 杨正龙,浦鸿汀,张春杰.碳纳米管/聚乙烯咪唑纳米复合材料的制备与表征[J].功能材料,2005(07):996-998.
[9] 浦鸿汀,侯继斅,杨正龙.杂多酸掺杂聚酰亚胺/二氧化硅复合质子交换膜的制备和性能研究[J].功能材料,2005(12):1923-1926,1930.
[10] Yang Z L;Wicks D A;Hoyle C E et al.[J].Polymeric Materials Science and Engineering,2006,94(01):230-231.
[11] 杨正龙,秦深,浦鸿汀,张航.一种碳纳米管掺杂改性聚氨酯水性分散体的制备与性能研究[J].功能材料,2008(06):1030-1033.
[12] Li Z Z;Wen L X;Shao L et al.[J].Control Release,2004,98(02):245-254.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%