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首页> 外文期刊>Macromolecular Research >One-Pack Cross-linkable Waterborne Methyl Ethyl Ketoxime-Blocked Polyurethane/Clay Nanocomposite Dispersions
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One-Pack Cross-linkable Waterborne Methyl Ethyl Ketoxime-Blocked Polyurethane/Clay Nanocomposite Dispersions

机译:一包可交联的水性甲基乙基酮肟嵌段的聚氨酯/粘土纳米复合分散体

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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.
机译:通过丙酮工艺,使用4,4'-亚甲基二-p-苯二异氰酸酯(MDI),聚四亚甲基二醇(PTMG),二羟甲基丙酸(DMPA)和甲基乙基酮肟(MEKO)。对这些纳米复合材料的粒径,粘度和储存稳定性进行了研究。将亲有机粘土的硅酸盐层剥落并以纳米级插入BPUD基质中。

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