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An electronic tray and silicone technology, applied in the field of plastic products, can solve the problems of reducing the surface gloss of the tray and increasing the production cost, and achieve the effects of excellent wear resistance, improved adhesion and wear resistance, and high bonding strength.
Inactive Publication Date: 2021-07-30
上海久升吸塑有限公司
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Description
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Problems solved by technology
[0004] In view of the above-mentioned related technologies, the inventor believes that in the actual production process, it is only necessary to reduce the glossiness of the tray surface, and the method of adding a large amount of additives to the raw materials will greatly increase the production cost
Method used
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Embodiment 1
[0047] A kind of electronic pallet, is made up of substrate and the matte ink that is printed on the surface of substrate, and each component and its corresponding weight in substrate are shown in Table 1, and each component and its corresponding weight in matte ink are as shown in Table 1. Table 2 shows. The electronic tray is prepared through the following steps:
[0048]S1. Mix polyethylene terephthalate, talcum powder, dialkyldiphenylamine, and SBS toughening agent evenly, and then put them into a twin-screw extruder for extrusion molding. The temperature of the twin-screw extruder is controlled by The temperature from the inlet to the outlet is controlled to 195°C, 205°C, 215°C, 225°C, and 235°C in sequence to obtain the membrane material;
[0049] S2. Through the plastic forming equipment, at a temperature of 160 ° C, the extruded film material is hot-melted and covered on the template, and the film material is crimped, vacuum-absorbed, and cut after cooling to obtain a...
Embodiment 2-6
[0055] An electronic tray, the difference from Example 1 is that each component and its corresponding weight are shown in Table 1.
[0056] Each component of base material and its weight (kg) in table 1 embodiment 1-6
[0057]
[0058] Each component of matte ink and its weight (kg) in table 2 embodiment 1-6
[0059]
Embodiment 7
[0061] An electronic tray, the difference from Example 1 is that the organosilicon-modified polyester resin is prepared by polycondensation reaction of organosilicon resin and polyester resin, and the mass ratio of the organosilicon resin to polyester resin is 1:0.2.
[0062] Silica is used as the matting powder, and a mixture of ethyl acetate and butanone is used as the diluent, and the weight ratio of ethyl acetate and butanone is 1:1.
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Abstract
The invention belongs to the technical field of plastic products, and discloses an electronic tray and a preparation method thereof. The electronic tray is characterized in that the electronic tray is composed of a base material and matte ink printed on the surface of the base material; the base material is prepared from the following raw materials in parts by weight: 50-80 parts of polyethylene glycol terephthalate, 6-10 parts of talcum powder, 1-2 parts of dialkyl diphenylamine and 3-5 parts of an SBS toughening agent; the matte ink is prepared from the following components in parts by weight: 15-20 parts of organic silicon modified polyester resin, 8-10 parts of matting powder, 15-25 parts of diluent, 0.1-2 parts of defoaming agent, 0.1-1 part of flatting agent and 1-5 parts of isocyanate curing agent, wherein the organic silicon modified polyester resin is prepared by condensation polymerization of organic silicon resin and polyester resin, and the mass ratio of the organic silicon resin to the polyester resin is 1: (0.1-0.3). The prepared electronic tray has the advantages of being low in cost, low in surface glossiness, high in surface coating adhesive force and long in service life.
Description
technical field [0001] The present application relates to the technical field of plastic products, and more specifically, it relates to an electronic tray and a preparation method thereof. Background technique [0002] Electronic pallets are plastic products made of PVC, PS, PP, PET, ABS, etc. 4 -10 5 In the range of Ω, the surface resistance of anti-static products or semi-conductive products is within 10 6 -10 12 in the range of Ω. The electronic tray has excellent wear resistance, stable surface resistance, no gas and volatile emissions, and has a strong protective effect on electronic components. [0003] Polyethylene terephthalate (PET) is a colorless or transparent substance with a certain gloss, or an opaque milky white substance. This kind of polyester has good heat resistance and good wear resistance, and has a certain strength and excellent airtight type. The finished product used to hold electronic products has good heat resistance and mechanical strength. S...
Claims
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Application Information
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