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Preparation method of cationic alkyl hyperconcentrated emulsion polymer for coating

An ultra-concentrated emulsion and cationic technology, which is applied in the field of building materials and waterproof materials, can solve the problems that the comprehensive performance is difficult to achieve stain resistance, heat resistance, tensile strength and water resistance, and achieve long service life and good water resistance. Effect

Inactive Publication Date: 2019-12-31
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, the products in the existing technology are only improved in one aspect, and the comprehensive performance is difficult to achieve better stain resistance, heat resistance, tensile strength and water resistance at the same time. Therefore, further research and development on the basis of the existing technology is required. excellent waterproof coating

Method used

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  • Preparation method of cationic alkyl hyperconcentrated emulsion polymer for coating

Examples

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example 1

[0056] A method for preparing a cationic alkyl super-concentrated emulsion polymer for coatings, which is mainly prepared from the following components:

[0057] 1.4 parts of a composition of tetraethylammonium nitrate and tetrabutylphosphine fluoride with a mass ratio of 1:2;

[0058] 4.3 parts of N-lauryl acrylamide;

[0059] 7 parts of compositions of tetraethylammonium bromide and tetrabutylphosphine acetate with a mass ratio of 1:1;

[0060] 420 parts of octadecyl vinyl ether;

[0061] 0.07 parts of tert-butyl peroxy tert-valerate;

[0062] 3.9 parts of azobisisobutyronitrile;

[0063] 2.8 parts of azobisisovaleronitrile;

[0064] 5.2 parts of hydroxyethyl dimethacrylate;

[0065] 0.14 parts of sodium methacrylate;

[0066] 3.0 parts of cetyl alcohol;

[0067] 0.6 part of polyvinyl alcohol;

[0068] 9.61 parts of super concentrated emulsifier;

[0069] 33 parts of 2,2,2-trifluoroethyl methacrylate;

[0070] 6.2 parts of sodium methoxide;

[0071] 12.4 parts of ...

example 2

[0082] A method for preparing a cationic alkyl super-concentrated emulsion polymer for coatings, which is mainly prepared from the following components:

[0083] 2.2 parts of tetramethylammonium fluoride and tetrabutylphosphine hydroxide compositions with a mass ratio of 1:1;

[0084] 5.3 parts of octadecyl vinyl ether;

[0085] 17 parts of benzyltrimethylammonium bromide and tetrabutylphosphine acetate compositions with a mass ratio of 1:2;

[0086] 416 parts of N-lauryl acrylamide;

[0087] 0.14 parts of lauryl peroxide;

[0088] 5.3 parts of azobisisobutyric acid;

[0089] 3.6 parts of azodicyanovaleric acid;

[0090] 8.1 parts of two (methacryloyloxyethyl) phthalic anhydride esters;

[0091] 0.21 parts of sodium methacrylate;

[0092] 2.0 parts of cetyl alcohol;

[0093] 0.4 part of polyvinylpyrrolidone;

[0094] 12.05 parts of super concentrated emulsifier;

[0095] 22 parts of trifluoroethyl acrylate;

[0096] 7.3 parts of sodium ethylate;

[0097] 11.4 parts ...

example 3

[0108] A method for preparing a cationic alkyl super-concentrated emulsion polymer for coatings, which is mainly prepared from the following components:

[0109]1.7 parts of a composition of tetramethylammonium chloride and tetrabutylphosphine fluoride with a mass ratio of 1:1;

[0110] 4.6 parts of the composition of N-dodecyl acrylamide and octadecyl vinyl ether with a mass ratio of 1:1;

[0111] 15 parts of compositions of benzyltrimethylammonium chloride and tetrabutylphosphine acetate with a mass ratio of 1:1;

[0112] 400 parts of compositions of N-octadecyl acrylamide and N-dodecyl acrylamide with a mass ratio of 1:1;

[0113] 0.11 parts of the composition of lauryl peroxide and tert-butyl peroxy tert-valerate with a mass ratio of 1:1;

[0114] 3.4 parts of the composition of azobisisobutyric acid and dimethyl azobisisobutyrate with a mass ratio of 2:1;

[0115] 4.2 parts of the composition of azobisisovaleronitrile and azobisisoheptanonitrile with a mass ratio of 1:...

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Abstract

The invention discloses a preparation method of a cationic alkyl hyperconcentrated emulsion polymer for a coating. The polymer is mainly prepared from the following materials: 1.4 to 2.3 parts of a hydrophilic small monomer for emulsification, 4.2 to 5.5 parts of a hydrophobic small monomer for emulsification, 5 to 20 parts of a cationic small monomer, 0.05 to 0.22 part of an emulsion initiator, 3.4 to 6.2 parts of an initiator a, 2.3-4.5 parts of an initiator b, 400-430 parts of an alkyl small monomer, 20-33 parts of a fluorine functional monomer, 4.6-8.4 parts of a cross-linking agent, 0.12-0.31 part of a chain transfer agent, 10-20 parts of a neutralizer, 5-10 parts of a pH regulator, 1.0-3.5 parts of a co-emulsifier and 0.2-0.7 part of a liquid film enhancer, with the balance being water, wherein the total mass part of the components is 1000. According to the invention, the hydrophilic small monomer and the hydrophobic small monomer are subjected to hyperconcentrated emulsion polymerization to form the polymer, and the formed polymer has the same adsorbability as the hydrophilic small monomer and the same waterproofness as the hydrophobic small monomer, so the polymer has superior effect compared with traditional waterproof coating material, and has better waterproof effect and long service life.

Description

technical field [0001] The invention belongs to the technical field of building materials, relates to the field of waterproof materials, in particular to a method for preparing cationic alkyl super-concentrated emulsion polymers for coatings. Background technique [0002] With the continuous increase of new waterproof materials and new processes, as well as the continuous improvement of the application technology of building waterproof materials, the application field of building waterproof materials has gradually expanded from the field of housing construction to expressways and urban roads and bridges, subways and urban rails, and high-speed rails. In infrastructure projects such as railways, airports and water conservancy facilities, the waterproof parts of buildings have also extended from indoors to external walls. The expansion of application scope has also promoted the development of waterproof coatings. [0003] The rapid development of waterproof coatings has become...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F216/18C08F220/20C08F220/22C08F220/54C08F228/02C08F2/24C08F4/04C08F4/34C09D129/10
CPCC08F2/24C08F4/04C08F4/34C08F216/18C09D129/10C08F220/20C08F220/22C08F220/54C08F228/02
Inventor 柯凯罗人豪姚恒
Owner HUBEI UNIV OF TECH
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