Anti-fogging TPU (Thermoplastic Polyurethane) film for automobile film and preparation process of anti-fogging TPU film

Abstract

The invention provides an anti-fogging TPU film for an automobile film and a preparation process thereof, and relates to the technical field of TPU films, the anti-fogging TPU film comprises a TUP film base layer, the TUP film base layer comprises the following raw materials: TUP resin, an anti-fogging performance generation raw material composition, a corrosion resistance generation raw material composition, and a microbial degradation performance generation raw material composition; the anti-fogging raw material composition comprises the following components: acrylate rubber, water-absorbent resin and filler, and optionally, the filler is diatomite, by adding the anti-fogging performance generation raw material composition, the structure of TUP resin is changed, so that the TUP resin has excellent water absorption performance, the anti-fogging performance of a TUP film base layer is greatly improved, and the anti-fogging performance of the TUP film base layer is improved. The TUP film can still keep the antifogging performance in an environment with relatively high environmental humidity, and the problems that the TUP film is easily influenced by external temperature and humidity, so that the TPU film has a fogging surface, the visibility is influenced and the safety is reduced are solved.

Description

technical field [0001] The invention relates to the technical field of TPU films, in particular to an anti-fog surface TPU film for car sticking films and a preparation process thereof. Background technique [0002] TPU, thermoplastic TPU elastomer, is made of MDI containing NCO functional group and POLYOL and 1.4BG containing OH functional group by extrusion and mixing. Due to its good elasticity, good physical properties and various mechanical strengths, Therefore, it is widely used in processing methods such as injection, extrusion, calendering, and dissolving into solution-based resins. It is a plastic material often used by plastic processors. Its products cover the range of industrial applications and civilian necessities, such as car stickers. [0003] The TPU film used in automotive film has the following shortcomings in practical application: it is easily affected by external temperature and humidity, resulting in a foggy surface of the TPU film, affecting visibilit...

AI Technical Summary

Problems solved by technology

[0003] The TPU film used in the current car film has the following disadvantages in actual application: it is easily affected by external temperature and humidity, resulting in a foggy surface on the TPU film, affecting visibility and reducing safety, and it does not have corrosion resistance. It is easily corroded by acidic and alkaline substances in the air or rainwater, and it is easy to be torn, and its overall structural strength needs to be improved. When the TPU film is used and discarded, it is difficult to degrade itself, and it is easy to cause serious ecological pollution.

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