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Preparation of polyethylene-octene elastomer/clay nanocomposite and microcellular foam processed in supercritical carbon dioxide

Title
Preparation of polyethylene-octene elastomer/clay nanocomposite and microcellular foam processed in supercritical carbon dioxide
Author
배성열
Keywords
polyethylene-octene elastomer (POE); microcellular foam; intercalated nanocomposite; supercritical carbon dioxide
Issue Date
2006-02
Publisher
JOHN WILEY & SONS LTD
Citation
POLYMER INTERNATIONAL, v. 55, No. 2, Page. 184-189
Abstract
Polyethylene-octene elastomer (POE)/organoclay nanocomposite was prepared by melt mixing of the POE with an organoclay (Cloisite 20A) in an internal mixer, using poly[ethylene-co-(methyl acrylate)-co-(glycidyl methacrylate)] copolymer (E-MG-GMA) as a compatibilizer. X-ray diffraction and transmission electron microscopy analysis revealed that an intercalated nanocomposite was formed and the silicate layers of the clay were uniformly dispersed at a nanometre scale in the POE matrix. The nanocomposite exhibited greatly enhanced tensile and dynamic mechanical properties compared with the POE/clay composite without the compatibilizer. The POE/E-MA-GMA/clay nanocomposite was used to produce foams by a batch process in an autoclave, with supercritical carbon dioxide as a foaming agent. The nanocomposite produced a microcellular foam with average cell size as small as 3.4 mu m and cell density as high as 2 x 10(11) cells cm(-3). (c) 2005 Society of Chemical Industry.
URI
https://onlinelibrary.wiley.com/doi/full/10.1002/pi.1936http://repository.hanyang.ac.kr/handle/20.500.11754/107660
ISSN
0959-8103
DOI
10.1002/pi.1936
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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