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Water white resistant acrylate emulsion and preparation method thereof

A technology of acrylate and butyl acrylate, which is applied in the field of polymer emulsion preparation, can solve problems such as poor water whitening resistance, and achieve the effects of mild reaction conditions, easy operation, and simple process flow

Inactive Publication Date: 2021-09-24
NANJING REGAL POLYMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional acrylic emulsions have poor water whitening resistance because the emulsion contains a large amount of hydrophilic monomers, emulsifiers and electrolytes, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The raw materials and parts by weight are as follows: 156 parts of deionized water, 22 parts of butyl acrylate, 1.0 parts of methacrylic acid, 12 parts of methyl methacrylate, 15 parts of styrene, 55 parts of n-butyl methacrylate, ethylene glycol 6.5 parts of dimethacrylate, 5 parts of reactive H-3330P emulsifier, 1.1 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether), 0.50 parts of sodium persulfate, and 1 part of ammonia water.

[0029] Monomer pre-emulsification: 22 parts of butyl acrylate, 1.0 parts of methacrylic acid, 12 parts of methyl methacrylate, 15 parts of styrene, 55 parts of n-butyl methacrylate, 6.5 parts of ethylene glycol dimethacrylate , 5 parts of reactive H-3330P emulsifier, 0.8 part of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether, 35 parts of deionized water were added to the stirring tank, and the stirring was started and stirred for about 30 minutes to obtain the monomer pre- emulsion.

[0030] Initiator configuration:...

Embodiment 2

[0034] The raw materials and parts by weight are as follows: 156 parts of deionized water, 22 parts of butyl acrylate, 1.0 parts of methacrylic acid, 12 parts of methyl methacrylate, 15 parts of styrene, 55 parts of n-butyl methacrylate, ethylene glycol 6.5 parts of dimethacrylate, 7 parts of reactive H-3330P emulsifier, 1.1 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether), 0.50 parts of sodium persulfate, and 1 part of ammonia water.

[0035] Monomer pre-emulsification: 22 parts of butyl acrylate, 1.0 parts of methacrylic acid, 12 parts of methyl methacrylate, 15 parts of styrene, 55 parts of n-butyl methacrylate, 6.5 parts of ethylene glycol dimethacrylate , 7 parts of reactive H-3330P emulsifier, 0.8 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether) and 35 parts of deionized water were added to the stirring tank, and the stirring was started and stirred for about 10 minutes to obtain the monomer pre-emulsion.

[0036] Initiator configurat...

Embodiment 3

[0040] The raw materials and parts by weight are as follows: 156 parts of deionized water, 22 parts of butyl acrylate, 0.1 part of methacrylic acid, 12 parts of methyl methacrylate, 15 parts of styrene, 55 parts of n-butyl methacrylate, ethylene glycol 6.5 parts of dimethacrylate, 9 parts of reactive H-3330P emulsifier, 1.1 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether), 0.50 parts of sodium persulfate, and 0.1 part of ammonia water.

[0041]Pre-emulsification of monomers: 22 parts of butyl acrylate, 0.1 part of methacrylic acid, 12 parts of methyl methacrylate, 15 parts of styrene, 55 parts of n-butyl methacrylate, 6.5 parts of ethylene glycol dimethacrylate Parts, 9 parts of reactive H-3330P emulsifier, 0.8 parts of Softanol 400 ((C12-14 secondary alcohol) polyalkyl ether) and 35 parts of deionized water were added into the stirring tank, and the stirring was started for about 10 minutes to obtain a single body pre-emulsion.

[0042] Initiator configurat...

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Abstract

The invention discloses a water white resistant acrylate emulsion, which is characterized in that the water white resistant acrylate emulsion is prepared from the following raw materials in parts by weight: 20-50 parts of butyl acrylate, 10-30 parts of methyl methacrylate, 1-5 parts of methacrylic acid, 10-30 parts of styrene, 40-60 parts of n-butyl methacrylate, 5-15 parts of cross-linking monomer, 1-5 parts of emulsifier, 5-10 parts of reactive emulsifier, 0.2-0.8 part of initiator, 1-5 parts of a neutralizing reagent and 150-200 parts of deionized water. The water-white-resistant acrylate emulsion disclosed by the invention has excellent water-white resistance.

Description

technical field [0001] The invention belongs to the technical field of polymer emulsion preparation, and in particular relates to a water-resistant white acrylate emulsion and a preparation method thereof. Background technique [0002] Acrylic resin (acrylic resin) is a general term for acrylic acid, methacrylic acid and its derivative polymers. Acrylic resin coatings are thermoplastic or thermosetting resin coatings or acrylic radiation coatings made of (meth)acrylates and styrene as the main body and acrylic resins obtained by copolymerization with other acrylates. [0003] Acrylic resin has the advantages of low price and high cost performance, and has a certain development trend in various industries. For example, thermoplastic acrylic resin does not undergo further crosslinking during the film forming process, so its relative molecular weight is relatively large, it has good gloss and color retention, water resistance and chemical resistance, fast drying, convenient co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/06C08F212/08C08F220/14C08F222/14
CPCC08F220/1804C08F220/06C08F212/08C08F220/14C08F222/102C08F2500/26
Inventor 苏向东白天艳张垚俊
Owner NANJING REGAL POLYMER
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