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《材料导报》期刊社  2018, Vol. 32 Issue (8): 1236-1240    https://doi.org/10.11896/j.issn.1005-023X.2018.08.006
  材料研究 |
超临界二氧化碳技术制备的聚丙烯/三元乙丙橡胶开孔发泡材料的吸油行为
王明, 李星
宁波大学材料科学与化学工程学院,宁波 315211
Oil-absorbing Behavior of PP/EPDM Rubber Blend Open-cell Foams Prepared Using Supercritical CO2 Technique
WANG Ming, LI Xing
Department of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211
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摘要 以聚丙烯(PP)和三元乙丙橡胶(EPDM)的混合物(质量比为70∶30)为聚合物基体,利用超临界二氧化碳发泡技术调控工艺过程,制备出不同发泡倍率和孔径的开孔材料,进而详细研究了其吸油性能。接触角测试结果表明,该材料具有良好的疏水亲油性。“吸油-压缩”循环测试结果显示,该材料具有良好的重复吸油性,同时,发泡倍率越大,材料压缩强度越小,而永久形变量也逐渐下降。最后,吸油动力学研究发现,单位质量的吸油量随发泡倍率的增大而增大,并且吸油动力学符合准二级吸附理论模型。
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王明
李星
关键词:  聚丙烯  三元乙丙橡胶  CO2微孔发泡  开孔材料  吸油    
Abstract: Open-cell polymer foams with different cell sizes and foaming ratios were prepared from 70% polypropylene (PP) and 30% ethylene-propylene-diene monomer (EPDM) rubber blends by supercritical CO2foaming technology, and their oil-absorbing performance were investigated. The results of the water contact angles experiment showed that they have outstanding hydrophobic and lipophilic property. Oil-absorbing and compression tests appealed that they have excellent repeated oil-absorbing performance, both of compression strength and permanent strain were declined with the increasing foaming ratio. And oil absorption kinetics study found that unit mass of oil absorption increased as the rising foaming ratio, and oil absorption kinetics conform to the secondary adsorption theoretical model.
Key words:  polypropylene(PP)    ethylene-propylene-diene monomer (EPDM) rubber    CO2 foaming    open-cell polymer    oil-absorbing
               出版日期:  2018-04-25      发布日期:  2018-05-11
ZTFLH:  TQ328.1  
基金资助: 宁波市自然科学基金(2014A610106)
通讯作者:  李星:通信作者,男,1969年生,教授,研究方向为功能材料 E-mail:lix905@126.com   
作者简介:  男,1992年生,硕士研究生,研究方向为高分子材料加工 E-mail:527330632@qq.com
引用本文:    
王明, 李星. 超临界二氧化碳技术制备的聚丙烯/三元乙丙橡胶开孔发泡材料的吸油行为[J]. 《材料导报》期刊社, 2018, 32(8): 1236-1240.
WANG Ming, LI Xing. Oil-absorbing Behavior of PP/EPDM Rubber Blend Open-cell Foams Prepared Using Supercritical CO2 Technique. Materials Reports, 2018, 32(8): 1236-1240.
链接本文:  
http://www.mater-rep.com/CN/10.11896/j.issn.1005-023X.2018.08.006  或          http://www.mater-rep.com/CN/Y2018/V32/I8/1236
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