Title:
SEALING MATERIAL FOR MULTI-LAYERED GLASSES, AND MULTI-LAYERED GLASS
Document Type and Number:
WIPO Patent Application WO/2018/116949
Kind Code:
A1
Abstract:
Provided are: a sealing material for multi-layered glasses, which has excellent water vapor permeation resistance, gas barrier properties and adhesion properties; and a multi-layered glass using the sealing material. Specifically provided is a sealing material for multi-layered glasses, which comprises: a polysulfide resin (A); and a polyester resin (B) represented by general formula (1-1) or (1-2) [wherein A represents a dibasic acid residue; G represents a diol residue; X1 and X2 independently represent a hydrogen atom or a group represented by general formula (2-1) (wherein R represents an aromatic group or an aliphatic group); and X3 and X4 independently represent an aromatic group or an aliphatic group; and each of n and m represents the average number of repeats of a repeating unit in parentheses and is a numerical value larger than 0], wherein some or all of A's are aromatic dibasic acid residues, the content of the aromatic dibasic acid residues is 20 to 70% in terms of a chemical formula weight calculated from the chemical formulae respectively represented by []N and []M, and the number average molecular weight of the polyester resin (B) is 400 to 5,000.
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Inventors:
NORO DAIKI (JP)
YOSHIMURA HIROSHI (JP)
TAJIRI YUSUKE (JP)
YOSHIMURA HIROSHI (JP)
TAJIRI YUSUKE (JP)
Application Number:
PCT/JP2017/044866
Publication Date:
June 28, 2018
Filing Date:
December 14, 2017
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C03C27/06; C08L67/03; C08L81/04; C09K3/10; E06B3/66
Domestic Patent References:
| WO2015079807A1 | 2015-06-04 | |||
| WO2015103460A1 | 2015-07-09 |
Foreign References:
| JPS62280259A | 1987-12-05 | |||
| JPH05125280A | 1993-05-21 | |||
| JP2009084551A | 2009-04-23 | |||
| JP2013227366A | 2013-11-07 | |||
| JP2013118174A | 2013-06-13 | |||
| JP2005200602A | 2005-07-28 | |||
| JPH0517684A | 1993-01-26 |
Other References:
See also references of EP 3560900A4
Attorney, Agent or Firm:
KONO Michihiro (JP)
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