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1-十八醇对水性聚氨酯形状记忆性能的影响

China Synthetic Rubber Industry(2011)

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Abstract
以聚己二酸丁二醇酯二元醇、1 -十八醇(ODO)、二羟甲基丙酸、异佛尔酮二异氰酸酯、乙二胺为原料,制备了一系列ODO质量分数分别为0,0.5%,1.0%,1.5%,2.0%的形状记忆聚氨酯( SPU)水分散液,并考察了ODO含量对其形状记忆性能的影响.结果表明,SPU中引入ODO后,SPU的结晶性增强,形状固定率逐渐增大且形状回复温度升高,形状回复率先增大后减小,形状记忆性能提高.
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