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US 12,459,237 B2Granted
Laminated glazing comprising a bird protection pattern
AssigneeKuraray Europe GmbH
InventorsChristoph Troska, Jochen Regenauer
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Abstract
The invention is directed to laminated glazing comprising two glass sheets laminated by means of at least two thermoplastic interlayers wherein at least one surface of one of the interlayers is provided with a bird protection pattern in between the two thermoplastic interlayers and wherein at least one thermoplastic interlayer comprises a polyvinyl acetal.
Claims15
A laminated glazing, comprising:
- at least two glass sheets;
- and
- at least a first and a second thermoplastic interlayer;
- wherein:
- at least one surface of the first thermoplastic interlayer comprises a bird protection pattern facing the second thermoplastic interlayer;
- the first thermoplastic interlayer comprises a polyvinyl acetal;
- the first and the second thermoplastic interlayer each contain at least 26.0% by weight plasticizer;
- the thickness of the first and the second thermoplastic interlayer is independently 450-2500 μm;
- and
- a yellowness index db of the laminated glazing in areas not comprising the bird protection pattern is less than 1.0 as determined by transmission of a film according to EN 410 at 430 nm on a ColorQuest XE in the Hunterlab 2°/C setting.
7 more elements
Dependencies are inferred from the claim text.