LAMINATED FILM AND PACKAGING MATERIAL

WIPO Patent Application WO/2022/215538

A1

Suitable retort resistance and excellent impact resistance at low temperature can be achieved by a laminated film obtained by laminating a surface layer (A), an intermediate layer (B), and a heat seal layer (C), wherein: the surface layer (A), the intermediate layer (B), and the heat seal layer (C) contain an ethylene-based resin as a major resin component; the average density of the resin components in the respective layers is at least 0.933 g/cm3; at least one layer among the surface layer (A) and the intermediate layer (B) contains an olefin-based thermoplastic elastomer; and the content of the olefin-based thermoplastic elastomer is at least 15 mass% with respect to the total amount of the resin components in the whole laminated film.

SHOUJI KENTO (JP)

PCT/JP2022/013799

October 13, 2022

March 24, 2022

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DAINIPPON INK & CHEMICALS (JP)

B32B27/32; B65D65/02

JPS6362730A	1988-03-19
JPH09174776A	1997-07-08
JPH0825594A	1996-01-30

INOUE TERUO: "Analysis of Polybutene", ANALYSIS OF POLYBUTENE, vol. 23, 31 January 1983 (1983-01-31), pages 59 - 65, XP055977191
ENEOS: "Himol (Polyisoptylene)", 1 October 2020 (2020-10-01), pages 1 - 4, XP055977205, Retrieved from the Internet [retrieved on 20221102]
テトラックス (ポリイソプチレン), ENEOS株式会社, 01 October 2020, https://www.eneos.co.jp/business/chemical/product/tetrax.html, [retrieved on 25 April 2022], Internet, (ENEOS CORP.), non-official translation (Tetrax (polyisoptylene).)

OGAWA Shinji (JP)

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