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

doi:10.11896/j.issn.1005-023X.2018.08.006

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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

Published: 11 May 2018

CLC number:

TQ328.1

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	WANG Ming
	LI Xing

Cite this article:

WANG Ming,LI Xing. Oil-absorbing Behavior of PP/EPDM Rubber Blend Open-cell Foams Prepared Using Supercritical CO₂ Technique[J]. Materials Reports, 2018, 32(8): 1236-1240.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.08.006 OR http://www.mater-rep.com/EN/Y2018/V32/I8/1236

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