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Patent Searching and Data


Title:
INTERMEDIATE FILM FOR LAMINATED GLASS, AND LAMINATED GLASS
Document Type and Number:
WIPO Patent Application WO/2015/046585
Kind Code:
A1
Abstract:
Provided is an intermediate film for a laminated glass, which can increase the penetration resistance of a laminated glass. The intermediate film (1) for a laminated glass according to the present invention is provided with a first layer (2) which comprises a polyvinyl acetal resin and a plasticizer and a second layer (3) which is arranged on the first surface (2a) side of the first layer (2) and comprises a polyvinyl acetal resin and a plasticizer, wherein the content of a hydroxyl group of the polyvinyl acetal resin in the first layer (2) is larger than the content of a hydroxyl group of the polyvinyl acetal resin in the second layer (3), and the content of the plasticizer contained in the first layer (2) relative to 100 parts by weight of the polyvinyl acetal resin contained in the first layer (2) is smaller than the content of the plasticizer contained in the second layer (3) relative to 100 parts by weight of the polyvinyl acetal resin contained in the second layer (3).

Inventors:
IWAMOTO TATSUYA (JP)
UCHIMURA YUJI (JP)
Application Number:
PCT/JP2014/076144
Publication Date:
April 02, 2015
Filing Date:
September 30, 2014
Export Citation:
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Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C03C27/12; B32B17/04; B32B27/30; C08L29/14
Domestic Patent References:
WO2011078314A12011-06-30
WO2012043816A12012-04-05
WO2006038332A12006-04-13
Foreign References:
JPH06926A1994-01-11
Other References:
See also references of EP 3053892A4
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
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