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Title:
INTERLAYER FOR LAMINATED GLASS, AND LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2011/081190
Kind Code:
A1
Abstract:
Disclosed is an interlayer for laminated glass. Said interlayer makes it possible to obtain laminated glass in which bubble formation and bubble growth are inhibited. Also disclosed is laminated glass using the disclosed interlayer. The disclosed interlayer (1) is provided with a first layer (2) and a second layer (3) which is laminated onto one surface (2a) of the first layer (2). The first and second layers (2, 3) contain a polyvinyl acetal resin and a plasticizer, respectively. The polyvinyl acetal resin in the first layer (2) is obtained by acetalizing a polyvinyl alcohol resin having a mean polymerization degree greater than 3000.

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Inventors:
IWAMOTO TATSUYA (JP)
KANI KOHEI (JP)
Application Number:
PCT/JP2010/073741
Publication Date:
July 07, 2011
Filing Date:
December 28, 2010
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD (JP)
IWAMOTO TATSUYA (JP)
KANI KOHEI (JP)
International Classes:
C03C27/12; B60J1/00; C08K5/103; C08L29/14
Foreign References:
JP2003252655A2003-09-10
JP2003252656A2003-09-10
JP2003252657A2003-09-10
JP2001316140A2001-11-13
JPH0940444A1997-02-10
JPH1036146A1998-02-10
JPH10316454A1998-12-02
JPH03124441A1991-05-28
JPH11255827A1999-09-21
JP2007070200A2007-03-22
Other References:
See also references of EP 2520551A4
Attorney, Agent or Firm:
MIYAZAKI, Chikara et al. (JP)
Miyazaki Chikara (JP)
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