Production method for polyethylene terephthalate (PET) aluminum-plated solar film

Abstract

The invention discloses a production method for a polyethylene terephthalate (PET) aluminum-plated solar film. The production method comprises the steps that 1, composite reflective particles are prepared, specifically, raw materials including, by weight, 35-50 parts of polycarbonate, 5-10 parts of ceramic particles and 0.5-2 parts of ultraviolet stabilizers are centrifuged in a high-speed centrifugal machine, so that a polymerization reaction is conducted, then the materials subjected to the polymerization reaction are extruded through an extruder, prilled, cooled and dried, and the composite reflective particles are obtained; 2, 18-35 parts, by weight, of the obtained composite reflective particles and 54-80 parts, by weight, of PET are sufficiently mixed and subjected to melt extrusion through a twin-screw extruder, and a PET basal film can be obtained after cooling; 3, electric corona is conducted on the upper surface of the PET basal film, and electric corona treatment is conducted on the upper surface of the PET basal film through an electric corona machine; and 4, vacuum aluminum plating is conducted on the surface of the PET basal film after electric corona through a vacuum aluminum plating machine, and the PET aluminum-plated solar film is obtained.

Description

technical field [0001] The invention relates to the technical field of film production, in particular to a production method of a PET aluminized solar film. Background technique [0002] The aluminum foil used on flexible plastic packaging is generally between 6 and 20 μm in thickness. Aluminum foil has a silver-white luster, and printing transparent ink directly on the aluminum foil can have a unique metallic luster. Aluminum foil has good shading properties, gas barrier properties, moisture barrier properties, good thermal conductivity, and electromagnetic shielding properties. Among them, the most prominent is the barrier performance of aluminum foil. Under the premise of sufficient thickness of aluminum foil, it can completely block gas and moisture. Therefore, aluminum foil is an indispensable material in flexible plastic packaging base film and is widely used in pharmaceutical packaging, food Packaging, especially the flexible packaging of high-end products such as m...

AI Technical Summary

Problems solved by technology

[0004] At present, there are many solar films on the market that are used in car windows and other parts, which have the following disadvantages: In terms of materials, it cannot be guaranteed that the appearance of the solar film will be free from wrinkles, holes, scratches, empty lines, and black spots , uneven aluminum coating, severe ribs, impurity pollution, aluminum layer falling off and other defects; in terms of use function, it is generally invisible from the outside to the inside, but the visible effect from the inside to the outside is not so clear and satisfactory user needs