| SEBS/PP热塑性弹性体压缩永久变形性能的研究 |
| Study on Compression Set of SEBS/PP TPE |
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| DOI： |
| 中文关键词: 氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物 聚丙烯 热塑性弹性体 压缩永久变形 |
| 英文关键词: hydrogenated styrene-butadiene-styrene block copolymer polypropylene thermoplastic elastomer compression set |
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| 中文摘要: |
| 研究主体材料并用比以及石蜡油、碳酸钙和乙烯丙烯酸树脂用量对氢化苯乙烯-丁二烯-苯乙烯嵌段共聚物（SEBS）/聚丙烯（PP）热塑性弹性体（TPE）性能的影响。结果表明：随着SEBS/PP并用比减小，TPE的邵尔A型硬度和压缩永久变形增大；当石蜡油用量为70份时，TPE的拉伸强度最大，压缩永久变形最小；碳酸钙用量增大，TPE的压缩永久变形减小；添加乙烯丙烯酸树脂，TPE的压缩永久变形先减小后增大，最佳用量为3份。 |
| 英文摘要: |
| The effects of the blending ratio of main materials，and the addition level of paraffin oil，calcium carbonate，vinyl acrylic resin on the properties of hydrogenated styrene-butadiene-styrene block copolymer（SEBS）/polypropylene（PP） thermoplastic elastomer（TPE） were investigated.The results showed that，as SEBS/PP blending ratio decreased，the Shore A hardness and compression set of TPE increased.When the addition level of paraffin oil was 70 phr，the tensile strength of TPE was at the maximum and the compression set was at the minimum.As the addition level of calcium carbonate increased，the compression set of TPE decreased.Vinyl acrylic resin could reduce the compression set of TPE，and minimum compression set was obtained at 3 phr vinyl acrylic resin. |
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