One-pack cross-linkable waterborne methyl ethyl ketoxime-blocked polyurethane/clay nanocomposite dispersions

被引：21
|
作者：
Subramani, S
Lee, JM
Kim, JH
Cheong, IW [1 ]
机构：
[1] Kyungpook Natl Univ, Dept Appl Chem, Taegu 702701, South Korea
[2] Yonsei Univ, Dept Chem Engn, Seoul 120749, South Korea
来源：
MACROMOLECULAR RESEARCH | 2005年 / 13卷 / 05期
关键词：
polyaddition; waterborne; polyurethane; dispersions; nanocomposite; morphology; blocked polyurethane;
D O I：
10.1007/BF03218475
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
One-pack cross-linkable nanocomposites of waterborne methyl ethyl ketoxime (MEKO)-blocked aromatic polyurethane dispersion (BPUD) reinforced with organoclay (quaternary ammonium salt of Cloisite 25A) were synthesized by the acetone process using 4,4'-methylenedi p-phenyl diisocyanate (MDI), poly(tetramethylene) glycol (PTMG), dimethylol propionic acid (DMPA), and methyl ethyl ketoxime (MEKO). Particle size, viscosity, and storage stability of these nanocomposites were investigated. TEM and XRD studies confirmed that the silicate layers of organophilic clay were exfoliated and intercalated at a nanometer-scale in the BPUD matrix.
引用
收藏
页码：418 / 426
页数：9
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