STRETCHED FILM OF THERMOPLASTIC RESIN

WIPO Patent Application WO/1999/059813

A1

A stretched film of a thermoplastic resin, characterized in that it comprises (A) a stretched film substrate layer containing 40 to 85 wt.% of a thermoplastic resin and 60 to 15 wt.% of an inorganic or organic fine powder and, laminated on at least one surface thereof, (B) at least one stretched film surface layer containing 30 to 90 wt.% of a thermoplastic resin and 70 to 10 wt.% of an inorganic or organic fine powder which has an average particle diameter smaller than that of the inorganic or organic fine powder contained in the substrate layer (A), and it has a porosity of 5 to 60 %. The stretched film of a thermoplastic resin can be effectively used in a variety of applications such as a decorative material for a building, since it has a high surface hardness and exhibits excellent processability in embossing, and also is excellent in adhesion of an ink.

Yamanaka, Masaaki (Oji-Yuka Synthetic Paper Co. Ltd, Kashima Factory 23, Touwad, Kamisu-cho Kashima-gun Ibaraki, 311-1400, JP)
Chiba, Tokumi (Oji-Yuka Synthetic Paper Co. Ltd, Kashima Factory 23, Touwad, Kamisu-cho Kashima-gun Ibaraki, 311-1400, JP)

PCT/JP1999/002605

November 25, 1999

May 19, 1999

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OJI-YUKA SYNTHETIC PAPER CO., LTD. (3 Kandasurugadai 4-chome Chiyoda-ku Tokyo, 101-0062, JP)
Yamanaka, Masaaki (Oji-Yuka Synthetic Paper Co. Ltd, Kashima Factory 23, Touwad, Kamisu-cho Kashima-gun Ibaraki, 311-1400, JP)
Chiba, Tokumi (Oji-Yuka Synthetic Paper Co. Ltd, Kashima Factory 23, Touwad, Kamisu-cho Kashima-gun Ibaraki, 311-1400, JP)

B29C55/02; B32B27/20; D06N7/04; (IPC1-7): B32B5/32

Kamata, Junji (KRF Building, 5th floor 5-5 Kyobashi 1-chome Chuo-ku, Tokyo, 104-0031, JP)

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