Weather-proof composite film for new energy passenger car and preparation method and application of weather-proof composite film
The invention discloses a weather-proof composite film for a new energy bus and a preparation method of the weather-proof composite film. The weather-proof composite film for the new energy bus is characterized in that the weather-proof composite film for the new energy bus is formed by sequentially...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a weather-proof composite film for a new energy bus and a preparation method of the weather-proof composite film. The weather-proof composite film for the new energy bus is characterized in that the weather-proof composite film for the new energy bus is formed by sequentially compounding a polyester fiber non-woven fabric layer, a high-temperature-resistant adhesive layer and a polyester film layer; the high-temperature-resistant adhesive is prepared by mixing 100 parts by mass of polyamide-imide resin, 20-30 parts by mass of polyurethane resin and 60-100 parts by mass of a solvent. The preparation method comprises the following steps: coating one surface of the polyester film with the high-temperature-resistant adhesive, baking in a baking tunnel with the length of 5m and the temperature of 80-110 DEG C, adhering a layer of polyester fiber non-woven fabric to one surface of the polyester film with the high-temperature-resistant adhesive layer, rolling, and baking in a baking room, the |
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