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Acrylic ester water-emulsion ink adhesive and preparation method thereof

A technology of acrylates and acrylates, which is applied in the direction of ester copolymer adhesives, inks, adhesive types, etc., can solve the problems of poor peeling resistance and poor water resistance of emulsions, and is suitable for industrial production. High peel strength and excellent adhesion

Inactive Publication Date: 2009-11-25
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the peel resistance of these emulsions is still not very good, especially the water resistance is very poor

Method used

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  • Acrylic ester water-emulsion ink adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1) Mix 5 parts of NaHCO 3 , 964 parts of DI water, 11 parts of 45% DSB aqueous solution and 40 parts of 25% mass fraction of SE10-N DI aqueous solution were added to the reactor, and stirred for 5 minutes at a stirring rate of 500r / min;

[0056] 2) Add 30 parts of MMA, 30 parts of St, 20.7 parts of BA, 15 parts of EHA, 1 part of AA, 1 part of MAA and 0.1 part of -SH into the reactor of step 1) at one time, and continue stirring for 5 minutes , heated to 80°C;

[0057] 3) Add 102.5 parts of APS DI aqueous solution with a mass fraction of 2.44% to the reactor of step 2) at one time, until the color of the liquid mixture in the reactor turns blue, the temperature rises to 85°C, and the stirring rate is reduced to 300r / min ;

[0058] 4) When the temperature drops to 80°C, add dropwise 270 parts of MMA, 270 parts of St, 186.3 parts of BA, 135 parts of EHA, 9 parts of AA, 9 parts of MAA and 0.9 parts of -SH mixture, and dropwise add 3 parts of NAM, The mixed solution of 20...

Embodiment 2

[0061] 1) Mix 5 parts of NaHCO 3 , 964 parts of DI water, 11 parts of 45% by mass fraction of DSB aqueous solution and 40 parts of 25% by mass fraction of SE10-N DI aqueous solution were added to the reactor, and stirred for 5 minutes at a stirring rate of 500r / min;

[0062] 2) Add 30 parts of MMA, 30 parts of St, 20 parts of BA, 15 parts of EHA, 1 part of AA, 1 part of MAA, 1 part of HEA and 0.08 parts of -SH mixture into the reactor of step 1) at one time, and continue stirring After 5 minutes, heat to 80°C;

[0063] 3) Add 102.5 parts of APS DI aqueous solution with a mass fraction of 2.44% to the reactor of step 2) at one time, until the color of the liquid mixture in the reactor turns blue, the temperature rises to 86°C, and the stirring rate is reduced to 300r / min ;

[0064] 4) When the temperature drops to 80°C, add 270 parts of MMA, 270 parts of St, 180 parts of BA, 135 parts of EHA, 9 parts of AA, 9 parts of MAA, 9 parts of HEA and 0.72 parts of -SH mixture dropwise...

Embodiment 3

[0067] 1) Mix 5 parts of NaHCO 3 , 964 parts of DI water, 11 parts of 45% by mass fraction of DSB aqueous solution and 40 parts of 25% by mass fraction of SE10-N DI aqueous solution were added to the reactor, and stirred for 5 minutes at a stirring rate of 500r / min;

[0068] 2) Add 20 parts of MMA, 40 parts of St, 15 parts of BA, 20 parts of EHA, 1 part of MALI and 0.1 part of -SH mixture into the reactor of step 1) at one time, continue to stir for 5 minutes, and then heat to 80°C ;

[0069] 3) Add 102.5 parts of APS DI aqueous solution with a mass fraction of 2.44% to the reactor of step 2) at one time, until the color of the liquid mixture in the reactor turns blue, the temperature rises to 86°C, and the stirring rate is reduced to 300r / min ;

[0070] 4) When the temperature drops to 80°C, add dropwise 180 parts of MMA, 360 parts of St, 135 parts of BA, 180 parts of EHA, 9 parts of MALI, 0.9 parts of -SH mixed solution, and dropwise add 3 parts of NAM, 20 parts of AM and ...

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Abstract

The invention provides an acrylic ester water-emulsion ink adhesive and a preparation method thereof, and belongs to the field of water-based ink. The invention aims to solve the problems of poor anti stripping property and poor water resistance of the prior ink adhesive. The adhesive of the invention is prepared by copolymerization of a free radical seeded emulsion, and is prepared from the following compositions in proportion: 150 portions of water, 0 to 60 portions of styrene, 40 to 100 portions of (methyl) acrylic ester, 0 to 3 portions of (methyl) acrylic acid, 0 to 1.5 portions of maleic anhydride, 0.5 to 2 portions of (methyl) acrylamide, 0.1 to 1 portion of N-methylolacrylamide, 0.5 to 3 portions of acrylic acid 2-hydroxyethyl ester and 0.5 portion of NaHCO3. The adhesive has stable performance, excellent comprehensive performance, low price, and innocuity; and the preparation method is simple and convenient, easy to operate, and suitable for industrial production, and has economic and social benefits.

Description

technical field [0001] The invention belongs to the technical field of water-based ink, and in particular relates to an acrylic water-emulsion ink binder and a preparation method thereof. Background technique [0002] At present, in packaging and printing, especially in food packaging and printing, most of the printing inks used are organic compounds such as toluene, xylene and butanone as solvents. Due to their toxicity and high volatility, they pollute the environment and at the same time Also damage human health. With the requirements of environmental protection, water-based solvents are gradually required to replace organic solvents for the printing of plastics and other items. It is not only low in cost, non-flammable and non-explosive, but more importantly, non-toxic and harmless. Therefore, it has become an inevitable trend to develop non-toxic and non-polluting water-based emulsions in the printing industry. [0003] The gradual disclosure of such patents in China ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10C09J133/06C09D11/107
Inventor 李效玉石浩王海侨何立凡
Owner BEIJING UNIV OF CHEM TECH
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