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Modified acrylate emulsion for eliminating formaldehyde in air and preparation method of modified acrylate emulsion

A technology of alkyl methacrylate and acrylate, which is applied in the field of modified acrylate emulsion and its preparation, can solve the problems of low aldehyde removal efficiency and yellowing of aldehyde removal emulsion, and achieve simple equipment, uniform particle size, The effect of easy operation

Inactive Publication Date: 2018-04-03
佛山市顺德区巴德富实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As far as is known, the research on formaldehyde-removing emulsions mainly focuses on the following aspects, the improvement and innovation of emulsion preparation technology, the development and utilization of new acrylate monomers and new formaldehyde-removing functional monomers, the development of new emulsifiers and The application of nanotechnology, the yellowing of aldehyde removal emulsion after long-term storage, the low efficiency of aldehyde removal in low pH environment, etc.

Method used

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Examples

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Effect test

Embodiment 1

[0039] A modified acrylate emulsion for eliminating formaldehyde in the air. The modified acrylate emulsion includes the following raw materials in parts by weight: 20 alkyl acrylates, 0.1 part of alkyl carboxylic acid, and 1 part of crosslinking functional monomer , 1 part of emulsifier, 0.5 part of initiator, 0.1 part of buffer, 0.01 part of chelating agent, 100 parts of deionized water, 1 part of acetoacetamide, 1 part of 2-amino-2-methyl-1-propanol;

[0040] The alkyl acrylate adopts methyl acrylate;

[0041] The alkyl carboxylic acid is acrylic acid;

[0042] The cross-linking functional monomer adopts tert-butylaminoethyl methacrylate;

[0043] The emulsifier is composed of an anionic emulsifier and a nonionic emulsifier mixed in a mass ratio of 1:1, the anionic emulsifier uses C10-C30 alkyl sodium sulfate, and the nonionic emulsifier uses polyoxyethylene sorbitol mono-oil acid ester;

[0044] Described initiator adopts tert-butyl hydroperoxide;

[0045] Described buff...

Embodiment 2

[0056] A modified acrylate emulsion for eliminating formaldehyde in the air, the modified acrylate emulsion includes the following raw materials in parts by weight: 30 parts of alkyl acrylate, 10 parts of alkyl methacrylate, 10 parts of benzene series 10 parts, 10 parts of alkylene ester of alkyl acid, 2 parts of alkyl carboxylic acid, 2 parts of cross-linking functional monomer, 1 part of emulsifier, 0.5 part of initiator, 0.1 part of buffering agent, 0.01 part of chelating agent, 100 parts of deionized water 0.1 part of pH regulator, 2 parts of acetoacetamide, 2 parts of 2-amino-2-methyl-1-propanol;

[0057] The alkyl acrylate adopts methyl acrylate and propyl acrylate to mix according to 1:1;

[0058] Described alkyl methacrylate adopts the arbitrary mixing of methyl methacrylate, propyl methacrylate, n-butyl methacrylate;

[0059] The benzene series is styrene;

[0060] The alkanoic acid alkenyl ester adopts vinyl acetate;

[0061] The alkyl carboxylic acid is methacryl...

Embodiment 3

[0079] A modified acrylate emulsion for eliminating formaldehyde in the air. The modified acrylate emulsion includes the following raw materials in parts by weight: 40 parts of alkyl acrylate, 40 parts of alkyl methacrylate, 15 parts of benzene series, 15 parts of alkenyl alkyl acid ester, 2 parts of alkyl carboxylic acid, 5 parts of cross-linking functional monomer, 2 parts of emulsifier, 1.5 parts of initiator, 0.3 part of buffering agent, 0.03 part of chelating agent, 100 parts of deionized water, 0.2 parts of pH regulator, 5 parts of acetoacetamide, 5 parts of 2-amino-2-methyl-1-propanol.

[0080] The alkyl acrylate is pentyl acrylate.

[0081] The alkyl methacrylate is n-butyl methacrylate.

[0082] The benzene series is styrene.

[0083] The alkylenyl alkanoate adopts vinyl acetate.

[0084] The alkyl carboxylic acid is a mixture of acrylic acid and methacrylic acid.

[0085] The cross-linking functional monomer is a mixture of acrylamide and glycidyl methacrylate. ...

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Abstract

The invention discloses a modified acrylate emulsion for eliminating formaldehyde in air and a preparation method of the modified acrylate emulsion. The modified acrylate emulsion is prepared from thefollowing components in parts by weight: 20-50 parts of alkyl acrylate, 0-80 parts of alkyl methacrylate, 0-30 parts of benzene series, 0-30 parts of alkyl alkenoate, 0.1-5 parts of alkyl carboxylicacid, 1-10 parts of a cross-linking functional monomer, 1-5 parts of an emulsifier, 0.5-2.5 parts of an initiator, 0.1-0.5 parts of a buffer agent, 0.01-0.05 parts of a chelating agent, 100 parts of deionized water, 0-0.5 parts of a PH regulator, 1-10 parts of acetoacetamide and 1-10 parts of 2-amino-2-methyl-1-propanol. According to the modified acrylate emulsion, acetoacetamide as a formaldehyderemoval functional monomer can be effectively linked to an acrylate polymer chain, the functional group absorbing formaldehyde is retained without influence on basic performance of original emulsion;the modified acrylate emulsion is universal, unaffected by placing time and cannot be subjected to yellowing.

Description

technical field [0001] The invention relates to a modified acrylate emulsion for eliminating formaldehyde in the air and a preparation method thereof, belonging to the technical field of formaldehyde-removing emulsions. Background technique [0002] In recent years, functional water-based acrylic emulsions have been favored by the market, especially aldehyde-removing water-based acrylic emulsions. At the same time, aldehyde-removing emulsions have always been the development projects of major construction emulsion manufacturers. [0003] As far as is known, the research on formaldehyde-removing emulsions mainly focuses on the following aspects, the improvement and innovation of emulsion preparation technology, the development and utilization of new acrylate monomers and new formaldehyde-removing functional monomers, the development of new emulsifiers and The application of nanotechnology, the yellowing of aldehyde-removing emulsion after long-term storage, and the low effici...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/06C08F220/34C08F2/26C08F2/30C08F212/08C08F218/08C08F220/18C08F220/32C08F220/56
CPCC08F2/26C08F2/30C08F220/14C08F220/18C08F220/1808C08F220/1804C08F212/08C08F218/08C08F220/34C08F220/06C08F220/56C08F220/325C08F220/1803
Inventor 熊乐曾庆乐杨文涛
Owner 佛山市顺德区巴德富实业有限公司
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