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Preparation method of injection molding panel in high-performance mold

An in-mold injection, high-performance technology, applied in coatings and other directions, can solve the problems of poor appearance, low yield and high production costs

Inactive Publication Date: 2020-02-18
熊何宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The defect of this process is that after the product is completed, the hardened coating and the uncoated part have oil accumulation, sawtooth, penetration and other joint surfaces, the appearance effect is poor, the yield rate is low, the production cost is high, and the production process is not environmentally friendly.

Method used

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  • Preparation method of injection molding panel in high-performance mold

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0037] See figure 1 , The present invention provides a method for preparing a high-performance in-mold injection panel, including the following specific steps:

[0038] Step S1, the pattern of the diaphragm is made; the pattern is made on the diaphragm by means of printing ink and / or coating.

[0039] The material of the diaphragm can be a single or composite film with PC, PET, PMMA, ABS as the basic material, and the thickness of the diaphragm can be in a range of 30um to 1000um.

[0040] Step S2, stretch the patterned membrane; use heating or a combination of heating and pressure to stretch the membrane to a desired shape, and the specific temperature and pressure settings are based on the thermal deformation temperature of the membrane To decide.

[0041] Step S3, coating the surface of the stretched film with a functional coating;

[0042] Step S310, pretreatment of the film; the stretched film is cleaned and dried by showering, spraying, and rubbing. This step can improve the yie...

Embodiment 1

[0051] In the first embodiment, the preparation process of this embodiment is used to prepare the IML cover of the smart sports bracelet product, and the SABIC 6060 film is used as the substrate. The specific preparation process steps are as follows:

[0052] In step S1, the pattern of the diaphragm is made, and partial mirror silver is printed and cured on the surface of the SABIC 6060 diaphragm, and black ink is printed and cured on the surface.

[0053] In step S2, the membrane is stretched and formed. The SABIC 6060 membrane is stretched and formed in a high-temperature and high-pressure combination. The specific stretching temperature and pressure are set according to the thermal deformation temperature of the SABIC 6060 membrane.

[0054] Step S3, the film is hardened and stained resistant.

[0055] Step S31, tear off the protective film of the SABIC 6060 film and rinse for 10 seconds, and dry the cleaned SABIC 6060 film at a temperature of 65°C for 3 minutes.

[0056] In step S3...

Embodiment 2

[0063] In the second embodiment, the preparation process of this embodiment is used to prepare a high-performance IML air-conditioning control panel for automobiles, and the Covestro PC film is used as the substrate. The specific preparation process steps are as follows:

[0064] Step S1, the pattern of the film is made, and a black ink frame is printed on the surface of the Covestro PC film and cured.

[0065] In step S2, the film is stretched and formed. The Covestro PC film is stretched and formed by a combination of high temperature and high pressure. The specific stretching temperature and pressure are set according to the thermal deformation temperature of the Covestro PC film.

[0066] Step S3, the film is hardened and stained resistant.

[0067] Step S31, tear off the protective film of the Covestro PC film and rinse for 10 seconds, and dry the cleaned Covestro PC film at a temperature of 65° C. for 3 minutes.

[0068] In step S32, the above-mentioned dried film is coated with ...

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Abstract

The invention discloses a preparation method of an injection molding panel in a high-performance mold. The preparation method comprises the following specific steps of S1, preparing a diaphragm pattern; S2, stretching and molding a diaphragm with a graph; S3, coating a functional coating on the surface of the diaphragm after stretching and molding; and S4, performing in-mold injection molding on the diaphragm coated with the functional coating. The product prepared by the preparation process is remarkably improved on performance data of scratch resistance, stain resistance and hardness; the product appearance is excellent, and the product conforms to the aesthetic and use experience of people; the manufacturing process is environment-friendly, and the damage of the functional coating caused by the forming process is avoided; and the technology has no special requirement on a base material diaphragm, so that the manufacturing cost of the injection molding product in the high-performancemold is greatly reduced.

Description

Technical field [0001] The invention relates to the technical field of in-mold injection panel printing and manufacturing technology, in particular to a method for preparing a high-performance in-mold injection panel. Background technique [0002] IMD (In-Mold Decoration) is the current internationally popular surface decoration technology, which has a wide range of applications, such as mobile phone back covers, car interiors, and home appliance decorative panels. [0003] IMD technology is used for in-mold injection molding. After molding, the IMD film substrate is left on the outer surface of the product for decoration and protection, but usually the film substrate has low hardness, is easy to be scratched, and is not stain resistant, which affects the service life And beautiful. Therefore, it is necessary to increase the surface hardness and stain resistance of the film substrate. [0004] MID includes IML (In Molding Lable) process. The biggest feature of IML process is: the s...

Claims

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Application Information

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IPC IPC(8): B29C45/14
CPCB29C45/1418B29C45/14221B29C45/14688B29C2045/14237B29C2045/14704B29C2045/14868
Inventor 熊何宇
Owner 熊何宇