The invention discloses a PVB (polyvinyl butyral) film for an automobile skylight, which is formed by compounding an enhanced film layer and a weakened film layer, the thickness of the PVB film is 0.30-2.00 mm, and the thickness ratio of the enhanced film layer to the weakened film layer in the PVB film is (1-7): (7-1). According to the PVB film for the automobile sunroof, the preparation method of the PVB film and the automobile sunroof, the PVB film of a double-layer structure is adopted, and the PVB film is applied between the laminated glass of the automobile sunroof, so that the overall strength of the laminated glass can be improved, and the risk that passengers in an automobile are injured by impact objects can be effectively reduced.
本发明公开了一种汽车天窗用PVB胶片,由增强型胶片层和减弱型胶片层复合构成,所述PVB胶片的厚度为0.30‑2.00mm,所述PVB胶片中,增强型胶片层和减弱型胶片层的厚度比例为(1‑7):(7‑1)。本发明提供一种汽车天窗用PVB胶片及其制备方法和汽车天窗,采用双层结构的PVB胶片,并将该PVB胶片应用于汽车天窗的夹层玻璃之间,从而可改善夹层玻璃的整体强度,进而可有效降低车内乘坐人员受撞击物伤害的风险。
PVB (polyvinyl butyral) film for automobile sunroof, preparation method of PVB film and automobile sunroof
一种汽车天窗用PVB胶片及其制备方法和汽车天窗
09.04.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |
Automobile sunroof motor and installation assembly for automobile sunroof
Europäisches Patentamt | 2021
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