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Metal decorating film with hardened protective layer and preparation method thereof

A technology for hardening protective layers and decorative films, applied in chemical instruments and methods, lamination devices, lamination, etc., can solve problems such as environmental pollution, poor adhesion between product layers, poor solvent resistance and wear resistance, and achieve The effect of reducing production cost, fast curing speed and avoiding environmental pollution

Inactive Publication Date: 2012-04-18
BAODING LUCKY INNOVATIVE MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the hot stamping process, although the plastic surface can be decorated with a metal mirror effect, it has the following disadvantages: the hardness is generally less than HB, and the solvent resistance and wear resistance are poor
[0005] In order to solve the above problems, in the prior art, usually take to increase protective layer, vacuum evaporation or sputtering hardening layer, but, increase protective layer needs to use solvent coating and increase production procedure, causes environmental pollution and increased production cost like this; If vacuum Evaporation or sputtering of the hardened layer, due to the rejection of the hardened coating to vacuum evaporation or sputtering, the interlayer adhesion of the coated product is poor, and the metal protective layer is easy to fall off after hot stamping, which affects the decorative effect of plastic parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0039] The preparation process of the coating solution for the hardened protective layer is as follows:

[0040] ⑴. Add quantitative methyl ethyl ketone into the reaction vessel, add styrene-maleic anhydride resin, and stir until completely dissolved;

[0041] ⑵. While stirring, add the photoinitiator to the above-mentioned dissolved resin solution, and add ethyl acetate and isobutyl acetate solvents, and stir evenly;

[0042] ⑶. Add multifunctional acrylate prepolymer and reactive diluent, and stir evenly;

[0043] ⑷. Add leveling agent and stir until evenly mixed.

[0044] The preparation process of the metal decorative film with a hardened protective layer is as follows:

[0045] ⑴. Coating the release layer on the support (such as PET tape base);

[0046] ⑵. Coating the above-mentioned hardened protective layer on the peeling layer;

[0047] ⑶. Vacuum coating on the hardened protective layer;

[0048] ⑷. Coating the adhesive layer to obtain a metal decorative film wit...

Embodiment 1

[0053] 1. Preparation of coating liquid for hardening protective layer:

[0054] 50.0 parts of trihydroxypropane tetraacrylate prepolymer,

[0055] 15.0 parts of styrene-maleic anhydride resin,

[0056] 184 1.0 copies,

[0057] TPO 0.45 parts,

[0058] 0.05 part of polydimethylsiloxane,

[0059] 10.0 parts of ethyl acetate,

[0060] Butanone 15.0 parts,

[0061] 8.5 parts of isobutyl acetate,

[0062] ① Add methyl ethyl ketone to the reaction vessel, add styrene-maleic anhydride resin, stir for 30 minutes, and dissolve completely; ② While stirring, add photoinitiator 184 and TPO to the dissolved resin solution, and add ethyl acetate and isobutyl acetate solvent, stirred for 10-20min, and mixed evenly; ③Added trihydroxypropane tetraacrylate prepolymer, and stirred for 30min; ④Added leveling agent polydimethylsiloxane, stirred until mixed evenly, and obtained Coating liquid for hardening protective layer.

[0063] 2. Preparation of metal decorative film:

[0064] Use the ...

Embodiment 2

[0072] 1. Preparation of coating liquid for hardening protective layer:

[0073] 20.0 parts of trihydroxypropane tetraacrylate prepolymer,

[0074] 20.0 parts of styrene-maleic anhydride resin,

[0075] Ethoxylated trimethylolpropane triacrylate 3.0 parts,

[0076] TPO 1.0 parts,

[0077] 365 0.45 parts,

[0078] 0.05 part of polydimethylsiloxane,

[0079] 20.0 parts of ethyl acetate,

[0080] Butanone 30.0 parts,

[0081] 5.5 parts of isobutyl acetate,

[0082] ① Add methyl ethyl ketone to the reaction vessel, add styrene-maleic anhydride resin, stir for 30 minutes, and dissolve completely; ② While stirring, add photoinitiator 184 and TPO to the dissolved resin solution, and add ethyl acetate and isobutyl acetate solvent, stir for 10-20min, and mix well; ③add trihydroxypropane tetraacrylate prepolymer, and stir for 30min; ④add ethoxylated trimethylolpropane triacrylate, and stir until unifo...

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Abstract

The invention discloses a metal decorating film with a hardened protective layer and a preparation method thereof. The metal decorating film comprises a support body, a stripping layer, a decorating layer and a sticking layer. After improvements, the stripping layer and the decorating layer are coated with the hardened protective layer. The hardened protective layer comprises the following components in part by weight: 20-50 parts of multifunctional acrylic resin prepolymer, 15-25 parts of styrene-maleic anhydride copolymer resin, 0-10 parts of active diluent, 2-5 parts of photo initiator, 0.02-0.1 parts of flatting agent and 30-60 parts of solvent, wherein the solvent consists of a high-boiling-point solvent and a low-boiling-point solvent in the weight ratio of 1:5-1:2. The decorating film has the advantages of plump effect, glossiness of over 800 Gs, high heat resistance, high wear resistance, high chemical resistance performance, high coating adhesion and strong drawing force.

Description

technical field [0001] The invention relates to a metal decorative film, in particular to a metal decorative film with a hardened protective layer. Background technique [0002] With the development of society, household appliances, automobiles, mobile phones and other products use a large number of plastic parts, which have higher and higher requirements for surface decoration, such as requiring plastic parts to have high-gloss mirror metallization decoration effects, etc. [0003] In the past, the metallization of the surface of these plastic parts, especially the high-gloss mirror metallization decoration, was mostly done by electroplating, hot stamping and other processes. The application of the liquid electroplating process has gradually decreased due to its large pollution to the environment; the vacuum electroplating process has high requirements for plastic parts, and it is necessary to pre-coat the bottom layer before plating and apply a protective layer after plati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02C09D4/02C09D4/06B32B27/18B32B37/02
Inventor 罗超刘彦峰
Owner BAODING LUCKY INNOVATIVE MATERIALS
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