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Microporous polypropylene films containing ultrafine silica particles

✍ Scribed by Yukio Mizutani; Satoshi Nagō

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
218 KB
Volume
72
Category
Article
ISSN
0021-8995

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✦ Synopsis

Sol-gel reaction of tetraethoxysilane was carried out in molten polypropylene with the aid of an extruder. The resultant composites were used to mold sheets containing finely dispersed SiO 2 particles. These sheets were biaxially stretched to prepare microporous films, of which some properties were estimated (pore size, porosity, specific surface area, and gas permeability).

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