MULTILAYER STRETCHED RESIN FILM

Title:

MULTILAYER STRETCHED RESIN FILM

Document Type and Number:

WIPO Patent Application WO/2002/100640

Kind Code:

A1

Abstract:

A multilayer stretched resin film which comprises a uniaxially stretched film substrate layer (I) containing 40 to 90 wt % of a propylene based polymer (A) and 10 to 60 wt % of an inorganic and&sol or organic fine powder (B) and, provided on at least one surface thereof, a uniaxially stretched film surface layer (II) containing 70 to 95 wt % of a propylene based random copolymer (C) and 5 to 30 wt % of an antistatic agent (D), and which is sealable by heating and&sol or fusing and has an opacity of 70 % or more&semi and a blister pack using the stretched resin film. The multilayer stretched resin film is made from polypropylene based resins, is opaque, and is excellent in sheet−fed offset printability, capability of sealing a case through heating at a low temperature and easiness of unsealing, and the blister pack can be recycled with ease.

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Inventors:

YAMANAKA MASAAKI (JP)
KIMURA KAZUYUKI (JP)

Application Number:

PCT/JP2002/005805

Publication Date:

December 19, 2002

Filing Date:

June 11, 2002

Export Citation:

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Assignee:

YUPO CORP (JP)
YAMANAKA MASAAKI (JP)
KIMURA KAZUYUKI (JP)

International Classes:

B32B27/18; B32B27/32; B65D65/40; B65D75/36; C08L23/10; C08L77/12; (IPC1-7): B32B27/32

Foreign References:

EP1097805A1	2001-05-09
JPH11170456A	1999-06-29
JPH10146931A	1998-06-02
EP0415270A2	1991-03-06

Other References: