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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/026622
Kind Code:
A layered film (100) includes, in order, a first skin layer (110) formed from a thermoplastic resin S1, a core layer (120) formed from a thermoplastic resin C, and a second skin layer (130) formed from a thermoplastic resin S2. The first skin layer, the core layer, and the second skin layer have a specific relationship in the average absorption rate of light in a wavelength region of 9-11 μm. The glass transition temperature Tg(s1) of the thermoplastic resin S1 is 150°C or higher, the glass transition temperature Tg(s2) of the thermoplastic resin S2 is 150°C or higher, and the UV transmittance at a wavelength of 380 nm is 10% or lower.

INOUE, Kyosuke (6-2 Marunouchi 1-chome, Chiyoda-k, Tokyo 46, 〒1008246, JP)
Application Number:
Publication Date:
February 07, 2019
Filing Date:
July 18, 2018
Export Citation:
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ZEON CORPORATION (6-2 Marunouchi 1-chome, Chiyoda-ku Tokyo, 46, 〒1008246, JP)
International Classes:
B32B7/02; B32B27/00
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (Toranomon Mitsui Building, 8-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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