Anti-back-sticking water-based acrylic emulsion and preparing method and application thereof

A water-based acrylic acid and methacrylic acid technology, applied in the polymer field, can solve the problems of limited application, hot stickiness and cold brittleness, etc., and achieves the effects of simple preparation method, easy temperature control and low price

Active Publication Date: 2019-07-30
NANJING REGAL POLYMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, one-component acrylic resin has the disadvantage of hot stickiness and cold brittleness, which limits its application in furniture, toys, artificial leather and other fields.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] A preparation method of anti-sticky water-based acrylic emulsion includes the following steps:

[0041] (1) Add the composite emulsifier into deionized water, add soft monomer, methacrylic acid, hard monomer, and cross-linking monomer after stirring evenly, and stir for more than 30 minutes;

[0042] (2) Add the initiator and ammonium bicarbonate to deionized water and stir evenly;

[0043] (3) Take another compound emulsifier and add it to deionized water, start stirring, heat up to 80-85℃, and then add initiator and 4% of the pre-emulsion prepared in step (1) in sequence. After the reaction starts, add step simultaneously (2) The prepared solution and the pre-emulsion prepared in the remaining step (1), the dripping time is 1.5-3h, after the dripping is completed, the reaction is continued for 1-3h, the temperature is reduced to 30-45°C, and the pH is adjusted to 7-9. Finally, filtered to obtain an aqueous acrylic emulsion.

[0044] Application of the prepared anti-sticky wa...

Embodiment 1

[0046] The formulation of the anti-sticky water-based acrylic emulsion of the present invention is shown in Table 1.

[0047] The method for preparing an anti-sticky water-based acrylic emulsion of the present invention includes the following steps:

[0048] (1) Add 0.73g of sodium dodecyl diphenyl ether disulfonate and 0.45g of non-ionic emulsifier A-980 into 77.50g of deionized water. After stirring, add 15g of butyl acrylate and 1g of methacrylic acid. , 75g of methyl methacrylate, 1.08g of hydroxyethyl methacrylate, 1.27g of N-methylol acrylamide, 0.76g of vinyl triethoxysilane, stirring for 30 min;

[0049] (2) Add 0.15 parts of ammonium persulfate and 0.20 g of ammonium bicarbonate to 5.50 g parts of deionized water and stir evenly;

[0050] (3) Take another 0.4g of sodium dodecyl diphenyl ether disulfonate, 0.33 parts of nonionic emulsifier A-980 and 1.22 parts of nonionic emulsifier acetylene glycol (surfadol 541H), and add them to 27g deionized In the water, turn on the stir...

Embodiment 2

[0053] The formulation of the anti-sticky water-based acrylic emulsion of the present invention is shown in Table 1.

[0054] The method for preparing an anti-sticky water-based acrylic emulsion of the present invention includes the following steps:

[0055] (1) Add 1.73g of sodium lauryl diphenyl ether disulfonate and 0.95g of non-ionic emulsifier A-980 into 80.50g of deionized water. After stirring, add 16.05g of butyl acrylate and methacrylic acid 2.19g, 77.88g of methyl methacrylate, 1.74g of ethylene glycol dimethacrylate, 1.04g of N-methylolacrylamide, 1.22g of vinyltriethoxysilane, stirring for 30min;

[0056] (2) Add 0.45g of ammonium persulfate and 0.49g of ammonium bicarbonate to 7.50g portions of deionized water, and stir evenly;

[0057] (3) Take another 0.4g of sodium dodecyl diphenyl ether disulfonate, 0.83 parts of nonionic emulsifier A-980 and 0.02g of nonionic emulsifier acetylene glycol (surfadol 541H), add to 30g deionized In the water, turn on the stirring, heat u...

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PUM

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Abstract

The invention discloses an anti-back-sticking water-based acrylic emulsion and a preparing method and application thereof. The anti-back-sticking water-based acrylic emulsion in the formula is prepared from, by weight, 15-17 parts of a soft monomer, 75-80 parts of a hard monomer, 1-3 parts of methacrylic acid, 3-5 parts of a crosslinking monomer, 3-5 parts of a compound emulsifier, 0.2-0.8 part ofan initiating agent, 0.5-1 part of ammonia water, 0.2-0.8 part of ammonium bicarbonate and 110-125 parts of deionized water. The preparing raw materials of the anti-back-sticking water-based acrylicemulsion are easy to obtain, the price is low, and the anti-back-sticking water-based acrylic emulsion is suitable for industrial production; the preparing method is simple, the temperature is easy tocontrol, and the particle diameter of the obtained emulsion is even; A PVC board is coated with the anti-back-sticking water-based acrylic emulsion, and has the excellent anti-back-sticking performance and adhesive force, water resistance and freeze-thaw stability.

Description

Technical field [0001] The invention relates to an anti-sticky water-based acrylic emulsion and a preparation method and application thereof, and belongs to the technical field of polymers. Background technique [0002] With the increasing awareness of environmental protection, environmentally-friendly coatings are the development direction of the coating industry in the future. Among them, acrylic coatings have excellent gloss, water resistance, stability and construction performance, and are rich in raw materials, easy to molecular design, and can synthesize resin-based coatings with different properties. [0003] PVC products are widely used in daily necessities, decorations, toys, artificial leather, wearables, furniture surface materials, etc. The performance of PVC surface coating determines the use value of PVC. Acrylic coatings are commonly used coatings for PVC surface coatings. Water-based acrylic emulsion uses water as a solvent, is non-flammable and non-explosive, has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/18C08F220/06C08F220/20C08F220/58C08F230/08C08F222/14C08J7/04C08L27/06
CPCC08F220/14C08J2327/06C08J2433/12C08J7/0427C08F222/102C08F220/58C08F230/08C08F220/1804C08F220/06C08F220/20
Inventor 苏向东白天艳
Owner NANJING REGAL POLYMER
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