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Weather-resistant PVC(polyvinyl chloride) film and manufacturing method thereof

A weather-resistant and coating technology, used in coatings, polyurea/polyurethane coatings, etc., can solve the problems of no improvement and change in the properties of PVC films, and achieve the advantages of simple and easy processing methods, cumbersome and complex processes, and reduced production costs. Effect

Inactive Publication Date: 2016-06-22
河北正洋新材料有限公司
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Problems solved by technology

Chinese patent CN102615902A "Manufacturing Method of PVC Composite Sofa Release" discloses an ink printing treatment layer formed by printing on the surface of PVC film and coating matte agent and brightening agent, which is convenient for gravure printing on the surface of PVC film. The properties of PVC film have not been improved or changed

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  • Weather-resistant PVC(polyvinyl chloride) film and manufacturing method thereof
  • Weather-resistant PVC(polyvinyl chloride) film and manufacturing method thereof

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preparation example Construction

[0023] The preparation method of weather-resistant PVC film of the present invention comprises the following steps:

[0024] (1) Deploying coating material: batching according to the parts by weight shown in Table 1, adding each component into ethyl ester or butyl ester respectively, stirring and dissolving; the viscosity of the prepared coating material is 12-16s / 4# Chaen cup;

[0025] (2) Preheating: Preheat the PVC mask with a preheating roller. The preheating temperature in summer is 55-60°C, and the preheating temperature in winter is 65-70°C;

[0026] (3) Printing coating: send the preheated PVC mask into the printing machine for coating coating, the angle of the scraper on the printing machine is set to 45°, and the pressure of the printing pressing rubber roller is 3-6N;

[0027] (4) Drying and cooling: drying the film prepared in step (3) at 50-60°C, and winding the finished product after cooling.

[0028] Table 1 Preparation Example Coating Coating Components

[0...

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Abstract

The invention relates to the field of manufacturing of functional PVC(polyvinyl chloride) films and discloses a weather-resistant PVC film and a manufacturing method thereof. The weather-resistant PVC film comprises a PVC film and a functional coating; the functional coating comprising, by weight, 55-65 parts of polyurethane (PU), 5-15 parts of phosphite ester, 15-25 parts of UV531 and 5-15 parts of diethylene glycol dibenzoate is printed and coated on the surface of the PVC film. The preparation method of the weather-resistant PVC film includes the steps of (1) allocating coating material; (2) preheating the PVC surface film at the temperature of 55-70 DEG C; (3) painting and coating the preheated PVC surface film in a printer; (4) drying and cooling by the details of drying the processed film at the temperature of 50-60 DEG C and then cooling, and finally rolling up finished products. The weather-resistant PVC film has the advantages of operational simplicity, low cost and good effect.

Description

technical field [0001] The invention relates to the field of preparation of functional PVC films, in particular to a weather-resistant PVC film and a preparation method thereof. Background technique [0002] With the development of thin film technology, there are many kinds of protective films on the market for sticking on the surface of various materials. They are used for surface protection, which can effectively prevent the aging of materials and prolong the quality and service life of materials. Polyvinyl chloride (PVC), as the most produced general-purpose plastic in the world, has also become a pioneer in functional improvement research. [0003] At present, there are many functional PVC films, most of which are prepared by adding functional additives to PVC resin and then blending them to form a film. Chinese patent CN103029311A "a semi-rigid PVC decorative film" discloses a The formulation and preparation method of the semi-rigid PVC film with high flame retardancy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C09D175/04C09D7/12C08L27/06
CPCC08J7/0427C08J2327/06C08K5/103C08K5/524C09D7/48C09D175/04
Inventor 江庆辉
Owner 河北正洋新材料有限公司
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