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Patent Searching and Data


Title:
BATTERY PACKAGING MATERIAL, PRODUCTION METHOD THEREFOR, BATTERY, AND POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2017/209218
Kind Code:
A1
Abstract:
The present invention provides technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. The birefringence of the polyester film is in the range of 0.016-0.056.

Inventors:
YASUDA, Daisuke (1-1, Ichigaya Kagacho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
YAMASHITA, Rikiya (1-1, Ichigaya Kagacho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
YAMASHITA, Takanori (1-1, Ichigaya Kagacho 1-chome, Shinjuku-k, Tokyo 01, 〒1628001, JP)
Application Number:
JP2017/020359
Publication Date:
December 07, 2017
Filing Date:
May 31, 2017
Export Citation:
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Assignee:
DAI NIPPON PRINTING CO., LTD. (1-1 Ichigaya Kagacho 1-chome, Shinjuku-ku Tokyo, 01, 〒1628001, JP)
International Classes:
H01M2/02; B29C55/12; B32B27/36; B65D65/40
Foreign References:
JP2014069384A2014-04-21
JP2006188049A2006-07-20
JP2011204674A2011-10-13
JPH0367630A1991-03-22
Attorney, Agent or Firm:
TANAKA, Junya et al. (21st Floor, Nakanoshima Intes Bldg. 6-2-40, Nakanoshima, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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