Preparation method of laser protective film for identification card

A protective film and laser technology, applied in coatings, polyurea/polyurethane coatings, etc., can solve problems affecting applicability and complicated manufacturing processes, and achieve the effects of simplified manufacturing processes, stable chemical properties, and good compatibility

Inactive Publication Date: 2014-02-12
天津冯德亦康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

Compared with ordinary card production, this method adds a lamination process of laser film, and the production process is complicated. Moreover, in this process, the pattern of the card can no longer be printed on the card core, but can only be printed on the PET base of the laser film. On the material, many inks and printing machines cannot be used, seriously affecting its applicability

Method used

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  • Preparation method of laser protective film for identification card
  • Preparation method of laser protective film for identification card
  • Preparation method of laser protective film for identification card

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of laser protection film for card, the laser protection film is composed of a base material and a laser coating, and the laser coating is partially or completely coated on the base material, wherein the base material is made of polyvinyl chloride, polyparaffin It is prepared from ethylene glycol phthalate, polycarbonate or polyethylene terephthalate-1,4-cyclohexanedimethanol, and the components and weights of the raw materials required for laser coating are respectively :

[0030]

[0031] The above-mentioned macromolecular diol is: poly-1,6-adipate-1,4-butylene glycol ester diol with a molecular weight of 4000-7000.

[0032] The preparation method step of above-mentioned laser coating is:

[0033] (1) Add trifunctional isocyanate, difunctional isocyanate, macromolecular diol, chain extender, solvent and catalyst into a reaction vessel equipped with a thermometer, agitator and reflux condenser, mix well, and control the temperature under an inert gas enviro...

Embodiment 2

[0043] A kind of laser protection film for card, the laser protection film is composed of a base material and a laser coating, and the laser coating is partially or completely coated on the base material, wherein the base material is made of polyvinyl chloride, polyparaffin It is prepared from ethylene glycol phthalate, polycarbonate or polyethylene terephthalate-1,4-cyclohexanedimethanol, and the components and weights of the raw materials required for laser coating are respectively :

[0044] The above-mentioned macromolecular diol is: polycaprolactone diol with a molecular weight of 4000-7000.

[0045] The steps of the preparation method of the above-mentioned laser coating are the same as those in Example 1, and the thickness of the card protection film is 0.03mm.

[0046] The preparation method of the above-mentioned laser protection film is the same as that in Example 1.

[0047] The lamination method of the above-mentioned laser protection film and the card core lay...

Embodiment 3

[0049]A kind of laser protection film for card, the laser protection film is composed of a base material and a laser coating, and the laser coating is partially or completely coated on the base material, wherein the base material is made of polyvinyl chloride, polyparaffin It is prepared from ethylene glycol phthalate, polycarbonate or polyethylene terephthalate-1,4-cyclohexanedimethanol, and the components and weights of the raw materials required for laser coating are respectively :

[0050]

[0051] The above-mentioned macromolecular diol is: poly-1,6-hexanediol ester diol with a molecular weight of 4000-7000.

[0052] The steps of the preparation method of the above-mentioned laser coating are the same as those in Example 1, and the thickness of the card protection film is 0.1 mm.

[0053] The preparation method of the above-mentioned laser protection film is the same as that in Example 1.

[0054] The lamination method of the above-mentioned laser protection film a...

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Abstract

The invention relates to a laser coating for performing laser for an identification card. The laser coating comprises the following raw components in parts by weight: 2 to 10 parts of hexamethylene diisocyanate tripolymer, 10 to 40 parts of bi-functional isocyanate, 50 to 60 parts of macromolecule dihydric alcohol, 4 to 8 parts of chain extender, 10 to 30 parts of solvent, 0.1 to 0.3 part of catalyst, 3 to 6 parts of neutralizer, 3 to 15 parts of hydroxyethyl methylacrylate, 5 to 30 parts of 2-hydroxypropyl acrylate, and 240 to 280 parts of deionized water. The laser coating provided by the invention is manufactured by performing catalyzing and chain extension through macromolecule polyalcohol and then emulsifying and dispersing; and the laser coating is high in physical property and chemical property, and high in computability regarding to a plurality kinds of ink. Therefore, the laser coating can be directly subjected mould pressing laser, and as a result, the process of individually cementing a laser pattern layer on the identification card is reduced, the manufacture process is simplified, and the production cost is decreased.

Description

technical field [0001] The invention belongs to the field of card production and relates to a laser coating, in particular to a method for preparing a laser protective film for a card. Background technique [0002] At present, with the increasing degree of social informatization, the application of ID cards has spread across many fields such as finance, communication, and transportation. According to statistics from the International Card Manufacturers Association (ICMA), the global card issuance volume is growing rapidly at an average annual rate of more than 15%, and people's requirements for the diversification of card patterns and anti-counterfeiting are also becoming stronger. Laser patterns can not only show colorful pattern effects, but also play an anti-counterfeiting role, so they have been widely promoted in the field of card production. [0003] However, there is currently no laser product that is particularly suitable for the card industry. The existing technolo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C08L27/06C08L67/02C08L69/00C09D175/14C08G18/79C08G18/67C08G18/66C08G18/42C08G18/34
Inventor 吕拴力冯琦黄彦旭李华
Owner 天津冯德亦康新材料科技有限公司
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