Acrylate hydrophilic monomer synthesized by using monoisocyanate polyoxyethylene monomethyl ether

A technology of polyoxyethylene monomethyl ether and monoisocyanate, which is applied in the field of water-based acrylic resin, can solve the problems of reducing the water resistance and salt spray resistance of the coating film, poor storage stability, and easy delamination, etc., and achieve salt spray resistance Excellent, not easily hydrolyzed, excellent water resistance

Inactive Publication Date: 2017-09-22
安徽艾珀希德化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, ionic emulsifiers are mostly used to prepare water-based acrylic emulsions. Although the emulsification effect is good, the storage stability is poor and stratification is prone to occur; and the ionic emulsifiers are free from the system and are easy to migrate, thereby reducing the formation of coatings. Water resistance and salt spray resistance of the membrane

Method used

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  • Acrylate hydrophilic monomer synthesized by using monoisocyanate polyoxyethylene monomethyl ether
  • Acrylate hydrophilic monomer synthesized by using monoisocyanate polyoxyethylene monomethyl ether
  • Acrylate hydrophilic monomer synthesized by using monoisocyanate polyoxyethylene monomethyl ether

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) The acrylate hydrophilic monomer is made from the following raw materials in mass percentage:

[0021] Hydroxyethyl Acrylate 15%

[0022] Monoisocyanate polyoxyethylene monomethyl ether 85%

[0023] Mix hydroxyethyl acrylate and monoisocyanate polyoxyethylene monomethyl ether, and raise the temperature to 60-65°C to react for 5 hours to obtain acrylate hydrophilic monomer.

[0024] (2) The monoisocyanate polyoxyethylene monomethyl ether monomer is made of the following raw materials in mass percentage:

[0025] 2,4-Toluene diisocyanate 20%

[0026] Polyethylene glycol monomethyl ether 80%

[0027] Mix 2,4-toluene diisocyanate and polyethylene glycol monomethyl ether, heat up to 60-65°C for 8 hours, and cool down to room temperature naturally to obtain monoisocyanate polyoxyethylene monomethyl ether monomer.

Embodiment 2

[0029] (1) The acrylate hydrophilic monomer is made from the following raw materials in mass percentage:

[0030] Hydroxyethyl Acrylate 18%

[0031] Monoisocyanate polyoxyethylene monomethyl ether 82%

[0032] Mix hydroxyethyl acrylate and monoisocyanate polyoxyethylene monomethyl ether, and raise the temperature to 75-80°C to react for 4 hours to obtain acrylate hydrophilic monomer.

[0033] (2) The monoisocyanate polyoxyethylene monomethyl ether monomer is made of the following raw materials in mass percentage:

[0034] 2,4-Toluene diisocyanate 25%

[0035] Polyethylene glycol monomethyl ether 75%

[0036] Mix 2,4-toluene diisocyanate and polyethylene glycol monomethyl ether, heat up to 65-70°C for 6 hours, and cool down to room temperature naturally to obtain monoisocyanate polyoxyethylene monomethyl ether monomer.

Embodiment 3

[0038] (1) The acrylate hydrophilic monomer is made from the following raw materials in mass percentage:

[0039] Hydroxyethyl Acrylate 20%

[0040] Monoisocyanate polyoxyethylene monomethyl ether 80%

[0041] Mix hydroxyethyl acrylate and monoisocyanate polyoxyethylene monomethyl ether, and raise the temperature to 70-75°C for 5 hours to obtain the acrylate hydrophilic monomer.

[0042] (2) The monoisocyanate polyoxyethylene monomethyl ether monomer is made of the following raw materials in mass percentage:

[0043] 2,4-Toluene diisocyanate 15%

[0044] Polyethylene glycol monomethyl ether 85%

[0045] Mix 2,4-toluene diisocyanate and polyethylene glycol monomethyl ether, heat up to 70-75°C for 6 hours, and cool down to room temperature naturally to obtain monoisocyanate polyoxyethylene monomethyl ether monomer.

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Abstract

The invention discloses an acrylate hydrophilic monomer synthesized by using monoisocyanate polyoxyethylene monomethyl ether, and relates to the technical field of waterborne acrylic resins. The acrylate hydrophilic monomer is prepared from the following raw materials in percentage by mass: 10 to 20% of hydroxyethl acrylate and 80 to 90% of monoisocyanate polyoxyethylene monomethyl ether. The acrylate monomer with hydrophilic groups is synthesized by reacting the isocyanate in the monoisocyanate polyoxyethylene monomethyl ether structure and the hydroxy in the hydroxyethyl acrylate structure; the waterborne acrylic emulsion prepared by the acrylate hydrophilic monomer has good quality stability, is not easy to hydrolyze in the storage process and low in acid value, and the water resistance and the salt spray resistance are better than that of conventional acrylic emulsion.

Description

Technical field: [0001] The invention relates to the technical field of water-based acrylic resin, in particular to an acrylate hydrophilic monomer synthesized by using monoisocyanate polyoxyethylene monomethyl ether. Background technique: [0002] The copolymer synthesized with acrylate, methacrylate and other monomers as the main raw material becomes acrylic resin, and the coating with it as the film-forming base material is called acrylic resin coating. Acrylic resin coatings have the advantages of light color, color retention, gloss retention, weather resistance, corrosion resistance and pollution resistance, and have been widely used in many fields. From the coating dosage form, it is mainly divided into solvent-based coatings, water-based coatings, high-solid component coatings and powder coatings. Compared with traditional solvent-based coatings, water-based acrylic resin coatings have the advantages of low price, safe use, and reduced environmental pollution. At pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/76C08G18/67C08G18/48C08F283/00C08F220/18C09D151/08
CPCC08F283/006C08G18/283C08G18/672C08G18/7614C09D151/08C08F220/1804
Inventor 刘晓非杜则冰
Owner 安徽艾珀希德化工科技有限公司
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