The invention relates to the technical field of automobile roofs, and particularly discloses a PET base material automobile roof and a preparation process thereof. The PET base material automobile roof comprises a non-woven fabric layer, a reinforcing layer, a PET base layer, a reinforcing layer and a facing layer which are sequentially compounded, the PET base layer is made of a PET foaming material, the reinforcing layer comprises a polyester material, and the mass ratio of the single reinforcing layer to the PET base layer is (0.8-2): 1; in addition, the preparation method disclosed by the invention has the advantage of reducing the recycling difficulty of the automobile roof.
本申请涉及汽车顶棚技术领域,具体公开了一种PET基材汽车顶棚及其制备工艺。一种PET基材汽车顶棚及其制备工艺包括依次复合的无纺布层、加强层、PET基层、加强层和面饰层,所述PET基层为PET发泡材料,所述加强层包括聚酯材料,单一加强层与PET基层的质量比为(0.8‑2):1;另外,本申请的制备方法具有降低汽车顶棚回收利用的难度的优点。
PET (Polyethylene Terephthalate) base material automobile roof and preparation process thereof
一种PET基材汽车顶棚及其制备工艺
09.05.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / 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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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