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1. (WO2017055470) LAMINATED GLASS WITH THIN INNER PANE AND SOUNDPROOFING THERMOPLASTIC INTERMEDIATE LAYER

Pub. No.:    WO/2017/055470    International Application No.:    PCT/EP2016/073291
Publication Date: Fri Apr 07 01:59:59 CEST 2017 International Filing Date: Fri Sep 30 01:59:59 CEST 2016
IPC: B32B 17/10
C03C 27/12
Applicants: SAINT-GOBAIN GLASS FRANCE
Inventors: AJDARI, Armand
LINNHÖFER, Dieter
KREBS, Benjamin
Title: LAMINATED GLASS WITH THIN INNER PANE AND SOUNDPROOFING THERMOPLASTIC INTERMEDIATE LAYER
Abstract:
Laminated vehicle glass for closing off the interior of a vehicle from exterior surroundings, at least comprising: an inner pane (1) of glass with a thickness of less than or equal to 0.4 mm, an outer pane (2) of glass with a thickness of greater than or equal to 1.5 mm and an acoustically damping intermediate layer (3), which connects the inner pane (1) to the outer pane (2), wherein the acoustically damping intermediate layer (3) comprises at least two outer polymeric layers (3.1) and an inner polymeric layer (3.2) lying between these outer layers and the outer polymeric layers (3.1) have a lower elasticity or plasticity than the inner polymeric layer (3.2), the inner polymeric layer (3.2) has a thickness of 0.05 mm to 0.40 mm, the outer polymeric layers (3.1) have a thickness of 0.20 mm to 0.6 mm and the total thickness of the acoustically damping intermediate layer (3) is at least 0.70 mm.