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Title:
LAMINATED GLASS INTERLAYER, METHOD FOR PRODUCING SAME, AND LAMINATED GLASS USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/077689
Kind Code:
A1
Abstract:
Provided is a laminated glass interlayer which has: a layer (x) which comprises a polyvinyl acetal (A1) having a vinyl alcohol unit content of 22 mol% or less, a plasticizer (B), heat ray-blocking microparticles (C), a phosphoric acid ester (D), and an alkali metal salt and/or alkaline earth metal salt (F), and which has an acid value as determined in accordance with JIS K2501 of 1.5 KOHmg/g or less; and a layer (y) which comprises a polyvinyl acetal (A2) having a vinyl alcohol unit content of 25 to 34 mol%, a plasticizer (B) and a UV absorber (E), and which is disposed on both outside surfaces of the layer (x). As a result, it is possible to provide a laminated glass interlayer which has excellent transparency, adhesiveness, durability, sound-blocking performance, and heat ray-blocking performance.

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Inventors:
AMANO YUSUKE (JP)
MORIKAWA KEISUKE (JP)
HIGASHIDA NOBORU (JP)
BEEKHUIZEN JAN (DE)
Application Number:
PCT/JP2011/078211
Publication Date:
June 14, 2012
Filing Date:
December 06, 2011
Export Citation:
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Assignee:
KURARAY CO (JP)
AMANO YUSUKE (JP)
MORIKAWA KEISUKE (JP)
HIGASHIDA NOBORU (JP)
BEEKHUIZEN JAN (DE)
International Classes:
C03C27/12; B32B27/18; B32B27/22; B32B27/30; C01G30/02
Domestic Patent References:
WO2006004162A12006-01-12
WO2005012454A12005-02-10
WO2005118503A12005-12-15
WO2007121079A22007-10-25
Foreign References:
JP2005206453A2005-08-04
JP2003265033A2003-09-24
JP2006103069A2006-04-20
JP2003261360A2003-09-16
JP2005206453A2005-08-04
JP2008534315A2008-08-28
JP2003252657A2003-09-10
EP2008054094W2008-04-04
JP2004143008A2004-05-20
JP2001526165A2001-12-18
Attorney, Agent or Firm:
NAKATSUKASA, SHIGEKI (JP)
Shigeki Nakamu (JP)
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Claims:



 
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