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Title:
OLEFINIC WRAP FILM
Document Type and Number:
Japanese Patent JP3798902
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an olefinic wrap film which has superb properties required for the wrap film such as moldability, transparency, heat sealing an stretchability.
SOLUTION: This wrap film has a core layer and a surface layer laminated on both faces of the core layer. The core layer contains 5-70 pts.wt. of a component (A), 2-30 pts.wt. of a component (B), 10-90 pts.wt. of a component (C) and 0-50 pts.wt. of a component (D), and the surface layer contains a component (E). The component (A) represents a polypropylene resin (weight average molecular weight: 80,000-550,000, the amount of an eluated resin by the cross fractionation method: 20-80 wt.% at 10°C or less, 5-45 wt.% at 10-65°C, 0.1-18 wt.% at 65-90°C; 10-40 wt.% at 90-125°C); the component (B) represents a hydrocarbon compound; the component (C) represents polyethylene or an ethylene-α-olefin copolymer; the component (D) represents a propylene-ethylene random copolymer; the component (E) contains one kind or more selected from the group of an ethylene-vinyl acetate copolymer, polyethylene and an ethylene-α-olefin copolymer.


Inventors:
Hiroshi Sakano
Application Number:
JP7344898A
Publication Date:
July 19, 2006
Filing Date:
March 06, 1998
Export Citation:
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Assignee:
RIKEN TECHNOS Co., Ltd.
International Classes:
B32B27/32; B65D65/40; B32B7/02; B32B27/00; B32B27/28; C08K5/01; C08L23/04; C08L23/10; C08L23/16; C08L55/00; (IPC1-7): B32B27/32; B32B7/02; B32B27/00; B32B27/28; B65D65/40; //C08K5/01; C08L23/04; C08L23/10; C08L23/16; C08L55/00
Domestic Patent References:
JP6256539A
JP6155676A
JP2060745A
JP4045923A
JP6143508A
Attorney, Agent or Firm:
Mitsuo Matsui