Title:
POLYVINYL ACETAL RESIN FILM FOR LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2018/181386
Kind Code:
A1
Abstract:
The present invention pertains to a polyvinyl acetal resin film for laminated glass, the polyvinyl acetal resin film having a thickness of 10-350 µm, wherein the viscosity of a solution, in which toluene/ethanol=1/1 (mass ratio) and the concentration of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film is 10 mass%, is greater than 200 mPa⋅s as measured at 20°C and 30 rpm using a Brookfield-type (B-type) viscometer, and the amount of a plasticizer in the polyvinyl acetal resin film is 0-20 mass% on the basis of the total mass of the resin composition constituting the polyvinyl acetal resin film.
Inventors:
ISOUE KOICHIRO (JP)
YASUDA HIROTAKA (JP)
KOISHIKAWA JUN (JP)
KELLER UWE (DE)
YASUDA HIROTAKA (JP)
KOISHIKAWA JUN (JP)
KELLER UWE (DE)
Application Number:
PCT/JP2018/012553
Publication Date:
October 04, 2018
Filing Date:
March 27, 2018
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
B32B17/10; B32B15/082; B60J1/00; B60S1/02; C03C27/12
Domestic Patent References:
| WO2016186029A1 | 2016-11-24 | |||
| WO2015125689A1 | 2015-08-27 | |||
| WO2015019438A1 | 2015-02-12 | |||
| WO2004063231A1 | 2004-07-29 | |||
| WO2003020776A1 | 2003-03-13 |
Foreign References:
| JP2014136796A | 2014-07-28 | |||
| JP2003503236A | 2003-01-28 | |||
| JP2013056811A | 2013-03-28 | |||
| JP2013516043A | 2013-05-09 | |||
| US20160288459A1 | 2016-10-06 | |||
| JP2015151026A | 2015-08-24 | |||
| EP1527107A1 | 2005-05-04 | |||
| EP1606325A1 | 2005-12-21 | |||
| EP1235683A1 | 2002-09-04 |
Other References:
See also references of EP 3616905A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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