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Self-crosslinked polyacrylate latex and preparation method thereof, and water-based paper ink

A technology of polyacrylate and acrylic acid, which is applied in the field of self-crosslinking water-based paper printing ink, which can solve the problems of price differences, achieve fast drying speed, prevent sticking back, and accelerate drying speed

Inactive Publication Date: 2013-06-19
SUN YAT SEN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that domestic water-based resins cannot be diluted with ethanol, and the price of inks prepared from imported resins is about 30% to 50% higher than that of solvent-based inks. The price difference varies with different colors

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] 1. Synthetic self-crosslinking polyacrylate latex

[0050] Weigh 7.6 grams of acrylic acid, 1.0 grams of adipic acid dihydrazide, and 43.5 grams of methyl methacrylate and add them to the high tank A and mix them evenly; weigh 52.5 grams of deionized water, 0.6 grams of sodium lauryl sulfate, and 6.0 grams of acrylic acid Ethyl ester, 36.1 grams of butyl acrylate and 2.2 grams of diacetone acrylamide were added to the high tank of B and mixed evenly; weighed 0.1 grams of ammonium persulfate and dissolved it in 10 grams of deionized water to obtain an aqueous solution of C initiator; weighed 0.4 grams of persulfuric acid Dissolve ammonium in 25 grams of deionized water to obtain an aqueous solution of D initiator; in a normal-pressure reactor with temperature control and stirring, add 44 grams of deionized water and 2.5 grams of allyloxy hydroxypropanesulfonate, and stir well Then start to heat up. When the temperature reaches 75°C, add the mixture in the high position t...

Embodiment 2

[0054] 1. Synthetic self-crosslinking polyacrylate latex

[0055] Weigh 6.0 grams of methacrylic acid, 3.0 grams of methylene succinic acid, 1.8 grams of adipic acid dihydrazide, 41 grams of ethyl methacrylate, and 3 grams of isobornyl acrylate, and add them to the A high tank and mix evenly; weigh Add 60.0 grams of deionized water, 1.6 grams of DOWFAX 2A1, 0.5 grams of isotridecanyl polyoxyethylene ether of BASF company, 38 grams of 2-ethylhexyl acrylate and 3.0 grams of diacetone acrylamide into the B high tank and mix well; Take by weighing 0.2 gram of potassium persulfate and be dissolved in 12 gram of deionized water, obtain C initiator aqueous solution; Take by weighing 0.35 gram of potassium persulfate and dissolve in 28 gram of deionized water, obtain D initiator aqueous solution; Add 48 grams of deionized water and 1.55 grams of allyloxy hydroxypropyl sulfonate to the normal pressure reactor, stir well and start to heat up, when the temperature reaches 75°C, add the m...

Embodiment 3

[0059] 1. Synthetic self-crosslinking polyacrylate latex

[0060] Weigh 9.5 grams of acrylic acid, 1.4 grams of adipic acid dihydrazide, and 30 grams of butyl methacrylate and add them to the high tank A and mix them evenly; weigh 54.0 grams of deionized water, 1.0 grams of sodium dodecylbenzenesulfonate, 0.3 Add 1 gram of nonylphenol polyoxyethylene ether, 49.3 grams of butyl methacrylate and 3.5 grams of diacetone acrylamide into the high tank of B and mix evenly; weigh 0.2 grams of ammonium persulfate and dissolve it in 10 grams of deionized water to obtain C trigger Aqueous solution of D initiator; Weigh 0.3 gram of potassium persulfate and dissolve in 25 gram of deionized water to obtain aqueous solution of D initiator; In a normal pressure reactor with temperature control and stirring, add 51.5 gram of deionized water, 4.5 gram of vinyl sulfonate Sodium acid, stir well and start to heat up. When the temperature reaches 75°C, add the mixture in the high-level tank of A an...

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Abstract

The invention discloses self-crosslinked polyacrylate latex and a preparation method thereof, and water-based paper ink. The preparation method for the self-crosslinked polyacrylate latex comprises the following steps of: mixing acrylate monomers, hydrophilic monomers and alcohol dehydrogenase (ADH) in a head tank A; mixing water, an emulsifier, acrylate monomers and diacetone acrylamide (DAAM) in a head tank B; adding water, an emulsifier and polymerization self-emulsification functional monomers into a normal-pressure reaction tank, stirring, heating to 75DEG C, dripping a mixture in the head tank A and an initiator, and preparing protective colloid; dripping a mixture in the head tank B and an initiator at 85DEG C; and reacting at constant temperature. The water-based paper ink is prepared by the following steps of: stirring and dissolving styrene-acrylate copolymer, a pH regulator and water at 60DEG C; adding pigments and necessary aids, and mixing to obtain color paste; and uniformly mixing the color paste, the self-crosslinked polyacrylate latex, a surface tension regulator and water. The water-based paper ink can be diluted by one of water and ethanol or a mixture of water and ethanol, and has high drying speed and good printing adaptability.

Description

technical field [0001] The invention relates to a method for making water-based paper printing ink, in particular to a method for making self-crosslinking water-based paper printing ink that can be diluted with one or two mixtures of water and ethanol. Background technique [0002] Gravure printing (referred to as gravure printing) is one of the main printing methods for high-grade paper (such as cigarette packs). With the improvement of printing substrates, equipment and processes, paper gravure printing inks are also constantly improving. Toluene solvents were used in the early 1990s, ester solvents were used in the late period, and alcohol ester solvent inks were used in this century. At present, high-end paper gravure printing inks such as cigarette labels, wine labels, and pictorials used in the market are based on alcohol ester solvents. [0003] The biggest feature of water-based inks that use water as the main solvent is that the main solvent that volatilizes when t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L33/12C08L33/08C08L33/10C08K5/25C08K5/092C08F220/14C08F220/06C08F220/18C08F220/58C08F2/24C08J3/24D21H19/58
Inventor 王小妹颜锋马军刘长来
Owner SUN YAT SEN UNIV
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