Title:
LAMINATED GLASS INTERLAYER FILM, LAMINATED GLASS, AND LAMINATE FOR LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2022/054849
Kind Code:
A1
Abstract:
A laminated glass interlayer film 10 comprising a first resin layer 11, a second resin layer 12, and a plastic layer 13 disposed between the first and second resin layers 11, 12, wherein: the first resin layer 11 contains a thermoplastic resin, has a thickness of 900 μm or less, and contains magnesium elements at a concentration less than 25 ppm; the second resin layer 12 contains a thermoplastic resin and contains magnesium elements and potassium elements at a total concentration of 25 ppm or more; and, when two glass plates each having a thickness of 2.5 mm are attached together with the laminated glass interlayer film 10 therebetween and a falling ball test is performed in accordance with JIS R 3212:2015, the requirement of having a mean break height (MBH) of 5 m or more is satisfied both when the water content of the laminated glass interlayer film is 0.4% and 2.0%.
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Inventors:
CHOU KINRYOU (JP)
OOTA YUUSUKE (JP)
TAKAI MINAKO (JP)
OOTA YUUSUKE (JP)
TAKAI MINAKO (JP)
Application Number:
PCT/JP2021/033060
Publication Date:
March 17, 2022
Filing Date:
September 08, 2021
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
B32B17/10; B32B27/30; B32B27/36; C03C27/12
Domestic Patent References:
| WO2015087673A1 | 2015-06-18 |
Foreign References:
| JP2015040167A | 2015-03-02 |
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (JP)
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