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A kind of transfer coating composition with high temperature resistance and high aluminum layer adhesion and application thereof

A technology for transferring coatings and compositions, applied in the direction of coatings, etc., can solve the problems of surface fogging, resin material bubbles and pores, poor temperature resistance, etc., and achieve the effect of good temperature resistance and good adhesion

Active Publication Date: 2017-11-03
上海睿途新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] CN102585648A discloses a regenerated coating for laser anodized aluminum film and its preparation method, using ethyl acetate and butyl acetate mixture (1:1) as solvent, and copolymer of acrylic monomer as matrix resin to overcome poor temperature resistance Defects
[0006] However, in the actual production and application process, the applicant also found that due to the aluminum plating transfer coating in the coating process, during the solvent volatilization process, especially in the case of high air humidity, fogging occurs on the surface, and even, Bubbles and pores in the resin material can easily be caused by heating the coating process

Method used

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  • A kind of transfer coating composition with high temperature resistance and high aluminum layer adhesion and application thereof
  • A kind of transfer coating composition with high temperature resistance and high aluminum layer adhesion and application thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Matrix resin 1) (Matrix1): methyl methacrylate homopolymer

[0050] Number average molecular weight 40000, ester 0.8mgKOH / g, softening point (ring and ball method) 200°C, Tg (DSC) 110°C, density (20°C) 1.18kg / L, viscosity (25°C, 25wt% butanone solution, Brookfield Viscometer) 30mPa·S

[0051] Matrix resin 2) (Matrix2): cellulose acetate-butyrate

[0052] Acetyl 29.5wt%, butyryl 17.5wt%, melting temperature 230-240°C, Tg151°C, viscosity 1.1-1.2 poise

[0053] Mix the components according to the ratio in Table 1.

Embodiment 2

[0055] Matrix resin 1): Methyl methacrylate homopolymer

[0056] Number average molecular weight 50000, ester 1mgKOH / g, softening point (ring and ball method) 220°C, Tg (DSC) 130°C, density (20°C) 1.15kg / L, viscosity (25°C, 25wt% methyl ethyl ketone solution, Brookfield viscosity meter) 25mPa·S

[0057] Matrix resin 2): cellulose acetate-butyrate

[0058] Acetyl 28.1wt%, butyryl 18.6wt%, melting temperature 250°C, Tg160°C, viscosity 1.15-1.22 poise

[0059] Mix the components according to the ratio in Table 1.

Embodiment 3

[0061] Matrix resin 1): Methyl methacrylate homopolymer

[0062] Number average molecular weight 40000, ester 0.8mgKOH / g, softening point (ring and ball method) 200°C, Tg (DSC) 110°C, density (20°C) 1.18kg / L, viscosity (25°C, 25wt% butanone solution, Brookfield Viscometer) 30mPa·S

[0063] Matrix resin 2): cellulose acetate

[0064] Acetyl 30.7wt%, melting temperature 225°C, Tg143°C, viscosity 1.12-1.2 poise

[0065] Mix the components according to the ratio in Table 1.

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Abstract

The invention proposes a new aluminum-plating transfer coating composition and its application, and the composition includes a matrix resin material and a solvent. Wherein, the weight ratio of the matrix resin material in the coating is 5-30%; the matrix resin is a composition of 1) methyl methacrylate homopolymer and 2) cellulose and / or cellulose derivatives; The solvent is a mixed solvent. During the coating process, the mixed solvent of the present invention volatilizes gradually, avoiding the apparent disadvantages caused by the instantaneous volatilization of the solvent in the pinhole bubbles of the coating; at the same time, it can ensure that the trace amount of water in the coating volatilizes before the coating is completely dry, avoiding the apparent disadvantages The phenomenon of fogging occurs, and this apparent fogging phenomenon is easy to appear when the relative humidity of the air is high.

Description

technical field [0001] The invention relates to a coating for printing, in particular to a transfer coating with high temperature resistance and high aluminum layer adhesion. Background technique [0002] Transfer aluminum-coated paper does not contain polymer materials such as PET and PP that are difficult to decompose, and has degradable and recyclable environmental protection properties. It is an environmentally friendly packaging material. Holographic technology can copy characters, patterns, etc. onto the surface of aluminum sprayed paper, so as to achieve good anti-counterfeiting effect. At the same time, transfer aluminum coated paper has the advantages of economy and beauty, and is currently widely used. [0003] Since the transfer coating needs to go through molding and hot stamping processes in the printing process, both of which are carried out at relatively high temperatures, therefore, the temperature resistance of the coating is very important. [0004] CN1025...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D101/14C09D133/12C09D101/12C09D101/26
Inventor 吴军华张绳凯
Owner 上海睿途新材料科技有限公司
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