Title:
PREPARATION OF BREATHABLE FILM
Document Type and Number:
Japanese Patent JP3137604
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a breathable film which possesses excellent tensile strength, appearance, feeling, and tear strength.
SOLUTION: A resin compsn. comprising: (a) 20 to 80wt.% linear ethylene copolymer comprising ethylene and 1 to 20wt.% comonomer of a 6 C or higher α-olefin or diolefin; and, incorporated into the component (a), (b) 80 to 20wt.% inorg. filler and (c) a 9-40 C satd. or unsatd. fatty ester in an amt. of 0.1 to 15 pts.wt. based on 100 pts.wt. in total of the components (a) and (b), is formed into a film. The film is stretched by 1.2 to 6.0 times. This breathable film has a tear strength MD of not less than 10g as measured according to ASTM D 1922-61T, a tensile strength (TD breaking point) of not less than 700g/15mm- width as measured according to ASTM D882-67, and a moisture permeability of not less than 5,100g/m2-24hr as measured according to JIS Z 0208-1973.
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Inventors:
Koji Yamamoto
Shoichi Mori
Tetsuhiko Hashimoto
Hideo Uchiyama
Shoichi Mori
Tetsuhiko Hashimoto
Hideo Uchiyama
Application Number:
JP11445398A
Publication Date:
February 26, 2001
Filing Date:
April 24, 1998
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C08J5/18; A61F13/15; A61F13/49; A61F13/514; B29C55/02; C08F210/02; C08J9/00; C08K3/00; C08K5/10; C08L23/08; B29K23/00; B29K105/04; B29L7/00; (IPC1-7): C08J9/00; B29C55/02; C08J5/18
Domestic Patent References:
| JP6343932A | ||||
| JP62141041A |
Attorney, Agent or Firm:
Hajime Tsukuni (1 person outside)