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Preparation of microporous polypropylene sheets containing CaCO3 filler: Effect of draft ratio

✍ Scribed by Satoshi Nagō; Yukio Mizutani

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 272 KB
Volume: 61
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19960705)61:1<31::aid-app4>3.0.co;2-v

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✦ Synopsis

Microporous polypropylene sheets were prepared as follows. First, polypropylene pelletcontaining CaC03 filler was extruded to prepare base sheets, which were then biaxially stretched. The draft effect at the extrusion process was studied in relation to some properties of the resultant microporous polypropylene sheets.

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Microporous polypropylene sheets containing CaCO3 filler: Effects of stretching ratio and removing CaCO3 filler

✍ Satoshi Nagō; Yukio Mizutani 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 745 KB

Microporous polypropylene sheets are prepared by biaxially stretching polypropylene sheets containing CaCO 3 filler. Here, the stretching ratio is one of the most important factors in the preparative process, and removing the CaCO 3 filler also affects the sheet properties. Their effects were studie