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In molding label (IML) fitting method

A technology of injection molding and molding of in-mold inserts, which is applied in the direction of chemical instruments and methods, synthetic resin layered products, lamination, etc., and can solve the problems of poor flatness of finished products and high defect rate of products

Active Publication Date: 2015-05-13
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide an IML lamination method, by using the same injection molding material as the base material of the die, the poor flatness of the finished product and the defective rate of the product after injection lamination in the IML lamination method are solved high problem

Method used

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  • In molding label (IML) fitting method

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] The embodiment of the present invention provides a method of injection molding lamination method for in-mold inserts, such as figure 1 Said, the method includes the following steps:

[0017] S101 , forming a radiation-cured UV (ultraviolet, ultraviolet radiation) layer on a die substrate.

[0018] The UV layer is a chemical layer formed after the chemical substance of the polymer material undergoes a chemical reaction under the irradiation of an ultrav...

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Abstract

The invention relates to the field of in-mold decoration. Provided is a method for attaching an in-mold label (IML), used for solving problems in methods for IML attachment of poor finished product smoothness after injection molding and attachment, and high product defect rates, and comprising: forming an ultraviolet (UV) radiation-hardened layer on a film substrate; printing said UV layer with ink, forming an ink layer; shaping said film substrate having said ink layer and forming same into a film; placing said film into the front mold of a mold and clamping the front mold to the rear mold; injecting plastic into said mold, so as to attach said film to said plastic and shape same; the plastic and the film substrate are of identical material.

Description

technical field [0001] The invention relates to the field of in-mold decoration, in particular to an injection lamination method for in-mold inserts. Background technique [0002] The IML (In Molding Label) process covers printing, high pressure molding, punching, injection molding and other processing procedures, and is applied to communication products, such as the decorative processing of molded mobile phone casings. [0003] The traditional IML process forms a die by cutting the base material of the die, planar printing, drying and fixing the ink, punching positioning holes, thermoforming, attaching a protective film, and cutting the peripheral shape, and then attaching the die to the injection molding material. Synthetic type, to realize the decoration of the mobile phone shell. In the existing process, because PET (Polyethylene Terephthalate, polyethylene terephthalate) has strong hardness, it is generally used as a die substrate, and the injection molding material is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/14B29C45/78B32B37/00B32B27/00
CPCB29C45/14811B29C2045/14319B29C2045/14704B29C2045/14918
Inventor 张伟侯志强刘珏
Owner HUAWEI DEVICE CO LTD