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Water-based acrylic emulsion and preparation method and application thereof

A technology of water-based acrylic and solid acrylic, which is applied in applications, household utensils, textiles and papermaking, etc. It can solve the problems of poor gloss of water-based printing varnishes, poor wetting and dispersibility of colorants, easy demulsification, and slagging, etc. , to achieve the effect of fine particle size, stable product quality and good mechanical stability

Inactive Publication Date: 2011-02-16
苏州凯康化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water-based printing ink and water-based varnish are increasingly favored by people due to their excellent safety and environmental protection performance. However, the current domestically produced water-based acrylic emulsion is not stable enough in product quality, and it is easy to demulsify and slagging during the grinding process of pigment paste. , and has the disadvantages of poor wetting and dispersibility of color paste; and as the main base material of water-based printing varnish, it will lead to poor gloss of water-based printing varnish, and the paper that is polished after printing is easy to stick to flowers, etc., so now Most water-based printing ink and water-based varnish manufacturers still rely on imported water-based acrylic emulsion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A kind of aqueous acrylic emulsion, its formula comprises the component of following parts by weight:

[0043] (1) Monomer components:

[0044] Methyl methacrylate: 10g;

[0045] Styrene: 32g;

[0046] Isooctyl acrylate: 4g;

[0047] Glycidyl methacrylate: 6g;

[0048] (2) Film-forming substances:

[0049] Water-soluble solid acrylic resin: 5g;

[0050] (3) Emulsifier:

[0051] UCAN-51: 0.5g;

[0052] (4) Initiator:

[0053] Ammonium persulfate: 1.2g;

[0054] (5) Additives:

[0055] Alcohol ester twelve: 3g;

[0056] WDF-68: 0.1g;

[0057] (6) 28% ammonia water: 4g;

[0058] (7) Deionized water: 42g;

[0059] Among them: the methyl methacrylate, styrene, isooctyl acrylate, glycidyl methacrylate, UCAN-51, ammonium persulfate, ammonia water, and deionized water form polymer substances after free radical polymerization, constituting The main body of a water-based acrylic emulsion.

[0060] The method for preparing above-mentioned aqueous acrylic acid emulsi...

Embodiment 2

[0077] A kind of aqueous acrylic emulsion, its formula comprises the component of following parts by weight:

[0078] (1) Monomer components:

[0079] Methyl methacrylate: 18g;

[0080] Styrene: 35g;

[0081] Isooctyl acrylate: 17g;

[0082] Glycidyl methacrylate: 2g;

[0083] (2) Film-forming substances:

[0084] Water-soluble solid acrylic resin: 10g;

[0085] (3) Emulsifier:

[0086] UCAN-51: 5g;

[0087] (4) Initiator:

[0088] Ammonium persulfate: 0.2g;

[0089] (5) Additives:

[0090] Alcohol ester twelve: 0.5g;

[0091] WDF-68: 0.5g;

[0092] (6) 28% ammonia water: 9g;

[0093] (7) Deionized water: 70g;

[0094] Among them: the methyl methacrylate, styrene, isooctyl acrylate, glycidyl methacrylate, UCAN-51, ammonium persulfate, ammonia water, and deionized water form polymer substances after free radical polymerization, constituting The main body of a water-based acrylic emulsion.

[0095] The method for preparing above-mentioned aqueous acrylic acid emul...

Embodiment 3

[0112] A kind of aqueous acrylic emulsion, its formula comprises the component of following parts by weight:

[0113] (1) Monomer components:

[0114] Styrene: 30g;

[0115] Isooctyl acrylate: 25g;

[0116] Glycidyl methacrylate: 6g;

[0117] (2) Film-forming substances:

[0118] Water-soluble solid acrylic resin: 15g;

[0119] (3) Emulsifier:

[0120] UCAN-51: 2g;

[0121] (4) Initiator:

[0122] Ammonium persulfate: 0.9g;

[0123] (5) Additives:

[0124] Alcohol ester twelve: 2g;

[0125] WDF-68: 0.3g;

[0126] (6) 28% ammonia water: 14g;

[0127] (7) Deionized water: 58g;

[0128] Among them: the methyl methacrylate, styrene, isooctyl acrylate, glycidyl methacrylate, UCAN-51, ammonium persulfate, ammonia water, and deionized water form polymer substances after free radical polymerization, constituting The main body of a water-based acrylic emulsion.

[0129] The method for preparing the above-mentioned aqueous acrylic acid emulsion: it is characterized in that...

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Abstract

The invention discloses water-based acrylic emulsion and a preparation method and application thereof. The water-based acrylic emulsion is prepared by the following steps of: performing radical polymerization on methyl methacrylate, styrene, ethyl hexyl acrylate, glycidyl methacrylate, ammonia water, an emulsifier, an initiator and deionized water to form a macromolecular substance so as to form a main body of the water-based acrylic emulsion; and matching the main body with a film forming substance, an aid and a defoaming agent. The water-based acrylic emulsion has a transparent, fine and smooth appearance, fine grain size, high wetting dispersability and stable quality, is not broken when dispersed by a high-shear dispersing machine for 24 hours, is not broken and generates particles in color paste grinding, is not sensitive to calcium and magnesium ions, and has high lustre equivalent to that of similar products abroad; and because the consumption of the emulsifier in the system is low, a dry film has good water resistance, the applied product has high mechanical stability, wear resistance, adhesion and excellent picking resistance, and paper printed and polished has the characteristics of no scratch and the like.

Description

technical field [0001] The invention relates to an acrylic emulsion, in particular to a water-based acrylic emulsion used for water-based ink or used as a main base material of water-based printing varnish, and a manufacturing method and application thereof. Background technique [0002] With the enhancement of people's awareness of environmental protection, water-based products are becoming more and more popular and widely used. Water-based printing ink and water-based varnish are increasingly favored by people due to their excellent safety and environmental protection performance. However, the current domestically produced water-based acrylic emulsion is not stable enough in product quality, and it is easy to demulsify and slagging during the grinding process of pigment paste. , and has the disadvantages of poor wetting and dispersibility of color paste; and as the main base material of water-based printing varnish, it will lead to poor gloss of water-based printing varnis...

Claims

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Application Information

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IPC IPC(8): C09D125/14C08F220/14D21H21/14C08L25/14C09D133/00C08F212/08C08F220/18C08L33/00C09D11/10C08F2/26C08F220/32C09D11/107
Inventor 黄伊君
Owner 苏州凯康化工科技有限公司
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