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Adhesive composition and its use

A composition and adhesive technology, applied in the direction of adhesive types, ester copolymer adhesives, instruments, etc., can solve the problem that the performance of varnish cannot be fully exerted, and achieve the effect of strong bonding

Inactive Publication Date: 2010-05-12
ZHONGCHAO SPECIAL SECURITY TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of the varnish produced with the same formula cannot be fully exerted due to regional differences, coating equipment and film properties.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Methacrylate Copolymer (Elvacite 4036) 10

[0026] Cellulose acetate (CAB-551-0.2) 10

[0027] Butanone 30

[0028] Butyl acetate 25

[0029] Toluene 15

[0030] Diacetone Alcohol 6

[0031] Dioctyl phthalate 4

[0032] Add 10 parts by weight of cellulose acetate (Eastman CAB-551-0.2) to a mixture consisting of 30 parts by weight of methyl ethyl ketone, 25 parts by weight of butyl acetate, 15 parts by weight of toluene, and 6 parts by weight of diacetone alcohol. in the mixed solvent. Stir until it is completely dissolved, add 10 parts by weight of methacrylate copolymer (Elvacite 4036, produced by Lucite International), and stir to dissolve. Finally, 4 parts by weight of dioctyl phthalate as a plasticizer were added and stirred evenly, thereby obtaining the adhesive composition of the present invention.

Embodiment 2

[0034] Methacrylate Copolymer (Elvacite 4062) 10

[0035] Nitrocellulose 10

[0036] Butanone 30

[0037] Butyl acetate 20

[0038] Toluene 15

[0039] Diacetone Alcohol 7

[0040] Dioctyl phthalate 5

[0041] GBA 3

[0042] 10 parts by weight of nitrocellulose (produced by Hercules Inc. in the U.S.) are added to a mixed solvent consisting of 30 parts by weight of methyl ethyl ketone, 20 parts by weight of butyl acetate, 15 parts by weight of toluene, and 7 parts by weight of diacetone alcohol. middle. Stir until it is completely dissolved, add 10 parts by weight of methacrylate copolymer (Elvacite 4062, produced by Lucite International), and stir to dissolve. Finally add 5 parts by weight of dioctyl phthalate as a plasticizer and 3 parts by weight of GBA (produced by U.S. DuPont) as an adhesion promoter, stir well, thus the adhesive of the present invention can be obtained combination.

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PUM

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Abstract

The invention discloses a binder component to record holographic graph information, which comprises the following parts: 10%-50% resin from middle molecular or macromolecular acrylate polymer and spirit or fatsoluble cellulose or cellulose derivant, 2. 5%-5% elasticizer and 40%-87% solvent, wherein the softening point of acrylate is 30-100 deg. c with molecular weight between 30, 000 and 150, 000;the nitrogen content of cellulose or cellulose derivant is between 10.8% and 12. 6%. The invention can be applied in the laser moulding holographic thermoprint film, which can locate de-aluminiumingholographic mark and moulding holographic graph record on the safe line of RMB.

Description

technical field [0001] The invention relates to an adhesive composition, in particular to an adhesive composition suitable for use as a laser holographic hot stamping film, a finely positioned dealuminated holographic label, and a holographic imaging layer on a RMB security thread. Background technique [0002] Laser holographic anti-counterfeiting technology is a comprehensive anti-counterfeiting technology developed in the late 1980s and early 1990s. Its main production process is: the laser holographic pattern is made into a master plate by electroforming, and then turned into an embossed plate. The plate transfers the holographic image to a transparent film coated with an imaging layer under certain temperature and pressure. Due to the particularity of RMB circulation and the strict requirements for anti-counterfeiting, there are also extremely strict requirements for the various properties of the adhesive composition used to carry the holographic image. The adhesive com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J133/04G03H1/02
Inventor 刘立民吴远启叶东刘晖关蕊叶中东
Owner ZHONGCHAO SPECIAL SECURITY TECH
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