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采用接枝法制备丙烯酸改性水性聚氨酯(PUA)乳液,研究了二羟甲基丙酸(DMPA)、甲基丙烯酸甲酯(MMA)对PUA乳液吸水率、黏度及涂膜硬度的影响,并用红外分析法表征了水性PUA与水性PU和共混型PU/PA在分子结构上的差异。
The effects of DMPA and MMA on water absorption, viscosity and film hardness of PUA emulsion were studied by grafting acrylamide-modified water-based polyurethane (PUA) Infrared analysis of water-based PUA and water-based PU and blends PU / PA molecular structure differences.