发明名称 POROUS FILM AND PRODUCTION THEREOF
摘要 PURPOSE:To obtain the present film, excellent in moisture and air permeability, water resistance and flexibility and suitable as rain apparels, disposable diapers, packaging materials, etc., by blending a polyolefinic resin with specific magnesium hydroxide, melt forming a film and drawing the resultant film. CONSTITUTION:The aimed film obtained by blending (A) 100pts.wt. polyolefinic resin with (B) 50-400pts.wt., preferably 60-200pts.wt. magnesium hydroxide, having 0.3-2.0mum, preferably 0.5-1.0mum average particle diameter and <=10m<2>/g, preferably 0.5-5.0m<2>/g specific surface area and subjected to surface treatment, then melt forming a film and drawing the resultant film in at least an uniaxial direction at >=1.1 times.
申请公布号 JPH01203439(A) 申请公布日期 1989.08.16
申请号 JP19880026530 申请日期 1988.02.09
申请人 MITSUI TOATSU CHEM INC 发明人 HAYAKAWA JUNKO;ITO MICHIYASU;TSUJI JIYUUICHI;SUZUKI HISATOSHI;TANAKA TAE
分类号 B29C55/02;B29K23/00;B29K105/04;B29L7/00;C08J9/00 主分类号 B29C55/02
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