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Patent Searching and Data


Title:
MULTILAYER FILM, INTERLAYER FILM COMPRISING THE MULTILAYER FILM AND LAMINATED GLASS AND SOUND-INSULATING GLASS LAMINATE COMPRISING THE INTERLAYER FILM
Document Type and Number:
WIPO Patent Application WO/2019/096024
Kind Code:
A1
Abstract:
A multilayer film is disclosed. The multilayer film is an interlayer film for laminated glass. A laminated glass is obtained using this interlayer film. The multilayer film comprises a resin film (A)(1), a resin film (B)(2) and a resin film (C)(3), each of which comprises a polyvinyl acetal resin and a plasticizer. And the intermediate layer uses different plasticizer from the non-intermediate layer of the multilayer film so as to prevent the migration of plasticizers between different layers and the multilayer film has little or no plasticizer bleed-out. The laminated glass using this interlayer film has excellent sound insulating properties.

Inventors:
WANG CHENG-FAN (CN)
CHANG CHIN-YEN (CN)
Application Number:
PCT/CN2018/114045
Publication Date:
May 23, 2019
Filing Date:
November 06, 2018
Export Citation:
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Assignee:
CHANG CHUN PETROCHEMICAL CO LTD (CN)
International Classes:
B32B17/10; B32B27/30; B32B27/22; B60J1/00; C03C27/12; C08L29/14
Foreign References:
CN103140452A2013-06-05
CN106079752A2016-11-09
CN105196659A2015-12-30
CN102666421A2012-09-12
CN104768894A2015-07-08
Attorney, Agent or Firm:
PACIFIC CHINA PATENT AGENT CO., LTD. (CN)
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