WHITE POLYOLEFIN FILM AND ITS PRODUCTION METHOD

Title:

WHITE POLYOLEFIN FILM AND ITS PRODUCTION METHOD

Document Type and Number:

Japanese Patent JP2008101170

Kind Code:

A

Abstract:

To provide a method for producing, at a low cost, a white polyolefin film with a low specific gravity and excellent in light shielding properties.

The white polyolefin film is produced by stretching a raw film comprising (A) a polyolefin resin and (B) a petroleum resin having a softening point of 70-150C and no polar group and/or a hydride of the petroleum resin, in at least one direction in a temperature range of 0-50C.

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Inventors:

TEJIMA TOMOJI
USAMI YASUSHI
TAKAGI JUN

Application Number:

JP2006286791A

Publication Date:

May 01, 2008

Filing Date:

October 20, 2006

Export Citation:

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Assignee:

MITSUBISHI PLASTICS IND

International Classes:

C08J5/18

Attorney, Agent or Firm:

Kazumi Owada

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