Polyvinyl chloride protection film and production method thereof

Abstract

The invention relates to the field of protection films, in particular to a polyvinyl chloride protection film. A polyvinyl chloride thin film is selected to be used as a base material; the upper and lower layers of the polyvinyl chloride thin film are attaching force coatings. The attaching force coatings concretely use a polyisocyanate silane coupling agent to form polyisocyanate attaching force coatings, wherein an adhesive layer is pasted under the attaching force coating positioned at the lower layer; glassine release paper is pasted under the adhesive layer; in order to be matched with the automatic production, the adhesion stability of the protection film needs to be high; an acrylic acid acryl adhesive emphasizes on the improvement of the initial adhesion force so that the protection film can be smoothly attached onto the surface of a mirror with a radian; the subsequent connection force is reduced, so that the smoothness degree of the subsequent protection film peeling by a mechanical arm cannot be influenced by the protection film due to the adhesion force enhancement along with the increase of attachment time; the polyisocyanate silane coupling agent is selected to be used as an intermediate medium of the polyvinyl chloride thin film and the acrylic acid acryl adhesive for enhancing the adhesion between the polyvinyl chloride thin film and the acrylic acid acryl.

Description

technical field [0001] The invention relates to an automobile lens protective film, in particular to a polyvinyl chloride protective film and a production method thereof. Background technique [0002] Mechanization and automation are the development trend of the manufacturing industry, especially in the field of automobile manufacturing industry, the application of mechanical arms is very common, and at the same time, a large number of protective films are used in the manufacture of different parts in the automobile manufacturing process. However, since the mechanical arm does not have the subjective initiative and flexibility of manual operation during operation, it has extremely high requirements for the quality and stability of the protective film. During the cutting process of automotive plastic lenses, no manual labor is required. The machine automatically attaches the protective film to the surface of the plastic lens, then cuts the shape and then smoothes the edge. Af...

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Problems solved by technology

[0002] Mechanization and automation are the development trend of the manufacturing industry, especially in the field of automobile manufacturing industry, the application of mechanical arms is very common, and at the same time, a large number of protective films are used in the manufacture of different parts in the automobile manufacturing process. However, since the mechanical arm does not have the subjective initiative and flexibility of manual operation during operation, it has extremely high requirements for the quality and stability of the protective film. During the cutting process of automotive plastic lenses, no manual labor is required. The machine automatically attaches the protective film to the surface of the plastic lens, then cuts the shape and then smoothes the edge. After the process is completed, the protective film is peeled off by an automatic arm. The fixed force value and the peeling force value set by the robot arm are fixed, so if the performance of the protective film is unstable and cannot match the robot arm to fix or peel the protective film smoothly, it will easily affect the process yield rate or the production speed cannot be reached. improve

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