首页> 外文期刊>Journal of Applied Polymer Science >Formulation/property relationships in radiation-cured poly(urethane methacrylate) pressure-sensitive adhesives. I. Incorporation of hydrophilic polyols
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Formulation/property relationships in radiation-cured poly(urethane methacrylate) pressure-sensitive adhesives. I. Incorporation of hydrophilic polyols

机译:辐射固化的聚(甲基丙烯酸氨基甲酸乙酯)压敏胶粘剂的配方/性质关系。 I.亲水多元醇的掺入

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摘要

Electron beam-curable urethane methacrylate oligomers were prepared which, when cured, produce pressure-sensitive adhesives. The effect of replacing hydrophobic blocks with more hydrophilic polyols in the prepolymer, in order to increase the moisture vapor transmission rates (MVTRs), was investigated. Subsequent effects on the resulting adhesive properties were also monitored. The MVTRs of the adhesives were found to increase upon incorporation of poly(ethylene glycol) but with a detrimental effect on the adhesive properties. The nature of the change in properties was related to the distribution of ethylene oxide units in the prepolymer.
机译:制备了电子束可固化的氨基甲酸酯甲基丙烯酸酯低聚物,其在固化时产生压敏粘合剂。研究了在预聚物中用更多的亲水性多元醇代替疏水性嵌段的效果,以提高水蒸气透过率(MVTR)。还监测了对所得粘合性能的后续影响。发现粘合剂的MVTR在加入聚(乙二醇)时增加,但是对粘合剂性能有不利影响。性质变化的性质与预聚物中环氧乙烷单元的分布有关。

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