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A kind of back coating material for thermal transfer barcode ribbon and its preparation method and application

A technology of heat transfer printing and barcode, applied in the direction of coating, printing, ink ribbon, etc., can solve the problems of heat resistance and adhesion that have not been seen yet, and achieve low printing noise, good adhesion, and good heat resistance Effect

Active Publication Date: 2021-09-28
JIAOZUO ZHUOLI STAMPING MATERIAL CO., LTD. +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no technology and product that can perfectly combine temperature resistance and adhesion

Method used

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  • A kind of back coating material for thermal transfer barcode ribbon and its preparation method and application
  • A kind of back coating material for thermal transfer barcode ribbon and its preparation method and application
  • A kind of back coating material for thermal transfer barcode ribbon and its preparation method and application

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preparation example Construction

[0031] The present invention also provides a preparation method for the back coating material for the thermal transfer barcode ribbon described in the above technical solution, comprising the following steps:

[0032] Mixing methoxysilane, methacrylate, styrene, an organic solvent and a catalyst to carry out an emulsion polymerization reaction to obtain the back coating material for the thermal transfer barcode carbon ribbon;

[0033] The methoxysilane is one or more of allyltrimethoxysilane, allyltrimethoxysilane and methacryloxytrimethoxysilane.

[0034] In the present invention, unless otherwise specified, all raw material components are commercially available products well known to those skilled in the art.

[0035] In the present invention, the methacrylate is one or more of methyl methacrylate, ethyl methacrylate, butyl methacrylate and trimethylsilyl methacrylate; when the methacrylate When the acrylic acid esters are two or more of the above-mentioned specific options...

Embodiment 1

[0047] Mix 135g of methacryloxytrimethoxysilane, 150g of trimethylsilylmethacrylate, 15g of styrene, 700g of toluene and 1g of AIBN; take 100g of the resulting mixture, heat it to the reflux of toluene, and after the reaction is initiated, control The remaining mixture was added dropwise in the state of toluene reflux, and after the dropwise addition was completed, the reaction was kept under reflux for 4 hours to obtain a back-coating material for a thermal transfer barcode ribbon with a solid content of 28%.

[0048] The number average molecular weight Mn of the polymer having the structure shown in formula I in the back coating material for the thermal transfer barcode carbon ribbon is 62179, and the weight average molecular weight Mw is 83704. Among them, m=27~31, n 1 =197~210, n 2 = 0, l 1 =126~130, l 2 = 0; R 1 For trimethylsilyl.

Embodiment 2

[0050] 100g methacryloxytrimethoxysilane, 35g allyltrimethoxysilane, 15g styrene, 90g methyl methacrylate, 60g butyl methacrylate, 15g styrene, 400g toluene, 300g butanone Mix with 1g ABVN evenly; take 100g of the obtained mixture, heat it to toluene reflux, and after the reaction is initiated, add the remaining mixture dropwise under the condition of toluene reflux. Thermal transfer barcode ribbon with back coating material.

[0051] The number average molecular weight Mn of the compound having the structure shown in formula I in the back coating material for the thermal transfer barcode carbon ribbon is 64225, and the weight average molecular weight Mw is 85146. Among them, m=27~31, n 1 =187~193, n 2 =86~92, l 1 =92~96, l 2 =42~46;R 1 is methyl, R 2 is butyl;

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Abstract

The invention relates to the technical field of back-coating materials, in particular to a back-coating material for thermal transfer barcode carbon ribbons, a preparation method and application thereof. The back coating material for the thermal transfer barcode carbon ribbon provided by the invention includes the compound having the structure shown in formula I. The present invention solves the contradiction between heat resistance and adhesion by introducing an organosiloxane monomer into the compound represented by the formula I structure, so that the compound represented by the formula I structure has better heat resistance and higher Good adhesion; at the same time, the compound represented by the structure of formula I also has good smoothness, and the smoothness determines that the printing noise is low. At the same time, the methoxy group and the hydroxyl group in the compound represented by the formula I can form intermolecular forces and chemical bonds, so that the back coating material and the PET substrate containing hydroxyl groups on the surface can have good adhesion.

Description

technical field [0001] The invention relates to the technical field of back-coating materials, in particular to a back-coating material for thermal transfer barcode carbon ribbons, a preparation method and application thereof. Background technique [0002] Barcode carbon ribbon is a new type of barcode printing consumables that is coated with ink on one side of the polyester film and coated with a lubricant to prevent the wear of the print head on the other side. The heat and pressure make the ribbon transfer the corresponding text and barcode information to the label. It has been widely used in various fields such as packaging, logistics, manufacturing, commerce, clothing, bills and books. [0003] Barcode carbon ribbon, referred to as carbon ribbon for short, is a very important material for barcode printers to print. Generally speaking, the quality of the carbon ribbon not only determines the life of the print head but also affects the printing effect. A good carbon rib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F230/08C08F212/08C08F220/14C09D143/04C09D133/12B41J31/06
CPCB41J31/06C08F220/14C08F230/08C09D143/04C08F212/08
Inventor 岳修锋邓丽霞刘海军彩倩杰刘鹏举卢国栋马伟
Owner JIAOZUO ZHUOLI STAMPING MATERIAL CO., LTD.