Multilayer microporous film
Номер патента: EP1413350A4
Опубликовано: 13-10-2004
Автор(ы): Fujiharu Nagoya, Ichiro Koguma
Принадлежит: Asahi Kasei Pharma Corp
Опубликовано: 13-10-2004
Автор(ы): Fujiharu Nagoya, Ichiro Koguma
Принадлежит: Asahi Kasei Pharma Corp
Реферат: A multilayer microporous membrane containing a thermoplastic resin, comprising a coarse structure layer with a higher open pore ratio and a fine structure layer with a lower open pore ratio, wherein said coarse structure layer is present at least in one membrane surface having a thickness of not less than 5.0 mum, a thickness of said fine structure layer is not less than 50% of the whole membrane thickness, and said coarse structure layer and said fine structure layer are formed in one-piece.
Multilayer microporous membrane
Номер патента: CA2456170A1. Автор: Fujiharu Nagoya,Ichiro Koguma. Владелец: Individual. Дата публикации: 2003-04-03.