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Preparation method of high-temperature-resistant amidoalkyl hyperconcentrated emulsion polymer

A type of amidoalkyl and ultra-concentrated emulsion technology, applied in coatings and other directions, can solve the problems of comprehensive properties that are difficult to achieve stain resistance, heat resistance, tensile strength and water resistance, and achieve excellent stability and save reaction Time and reaction cost saving effects

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 high-temperature-resistant amidoalkyl hyperconcentrated emulsion polymer
  • Preparation method of high-temperature-resistant amidoalkyl hyperconcentrated emulsion polymer

Examples

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example 1

[0058] A method for preparing a high-temperature-resistant amidoalkyl ultra-concentrated emulsion polymer, which is mainly prepared from the following components:

[0059] 1.5 parts of cinnamon amide;

[0060] 2.5 parts of N-octadecyl acrylamide;

[0061] 12 parts of acrylamide;

[0062] 420 parts of octadecyl vinyl ether;

[0063] 0.05 parts of the composition of lauryl peroxide and tert-butyl peroxy tert-butyl peroxide in a mass ratio of 1:1;

[0064] 2.7 parts of dimethyl azobisisobutyrate;

[0065] 3.9 parts of azodicyanovaleric acid;

[0066] 6.7 parts of hydroxyethyl dimethacrylate;

[0067] 4.6 parts of cyclobutane tetracarboxylic dianhydride;

[0068] 0.10 parts of sodium methacrylate;

[0069] 7.15 parts of super concentrated emulsifier;

[0070] 3.0 parts of stearyl acrylate;

[0071] 0.6 part of polyvinyl alcohol;

[0072] 30 parts of perfluorooctyl ethyl acrylate;

[0073] 6.6 parts of diethanolamine;

[0074] 5.8 parts of sodium carbonate;

[0075] Th...

example 2

[0086] A method for preparing a high-temperature-resistant amidoalkyl ultra-concentrated emulsion polymer, which is mainly prepared from the following components:

[0087] 2.3 parts of 4-vinylbenzamide;

[0088] 3.1 parts of octadecyl vinyl ether;

[0089] 30 parts of N,N-dimethylacrylamide;

[0090] 400 parts of N-octadecyl acrylamide;

[0091] 0.11 parts of lauryl peroxide;

[0092] 3.2 parts of azobisisobutyronitrile;

[0093] 4.6 parts of the composition of azobiscyanovaleric acid and azobisisoheptanonitrile with a mass ratio of 1:1;

[0094] 8.2 parts of two (methacryloyloxyethyl) phthalic anhydride esters;

[0095] 5.5 parts of diaminooctadecylbenzene;

[0096] 0.16 parts of sodium methacrylate;

[0097] 9.27 parts of super concentrated emulsifier;

[0098] 4.0 parts of octadecyl methacrylate;

[0099] 0.8 parts of hydroxypropyl cellulose;

[0100] 26 parts of perfluorooctyl ethyl acrylate;

[0101] 5.4 parts of triethanolamine;

[0102] Mass ratio is 6.7 par...

example 3

[0114] A method for preparing a high-temperature-resistant amidoalkyl ultra-concentrated emulsion polymer, which is mainly prepared from the following components:

[0115] (4-vinylbenzene) sulfonamide 1.7 parts;

[0116] 2.7 parts of N-octadecyl acrylamide;

[0117] 25 parts of 2-acrylamidophenylboronic acid;

[0118] 410 parts of octadecyl vinyl ether;

[0119] 0.08 parts of tert-butyl peroxy tert-valerate;

[0120] 4.3 parts of azobisisobutyric acid;

[0121] 5.1 parts of azobisisoheptanonitrile;

[0122] 7.4 parts of hydroxyethyl pyrphthalic anhydride dimethacrylate;

[0123] 6.2 parts of diaminododecylbenzene;

[0124] 0.12 parts of sodium methacrylate;

[0125] 8.80 parts of super concentrated emulsifier;

[0126] Hexadecane 5.0 parts;

[0127] 1.0 parts of polyvinylpyrrolidone;

[0128] 25 parts of trifluoroethyl acrylate;

[0129] 5.9 parts of ethanolamine;

[0130] 5.3 parts of sodium hydroxide solution of 30% solubility;

[0131] The rest is water.

[0132...

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Abstract

The invention discloses a preparation method of a high-temperature-resistant amidoalkyl hyperconcentrated emulsion polymer. The polymer is mainly prepared from the following materials: 1.5 to 3.0 parts of a hydrophilic small monomer for emulsification, 2.5 to 3.5 parts of a hydrophobic small monomer for emulsification, 10 to 35 parts of an amide small monomer, 0.04 to 0.18 part of an emulsion initiator, 2.5 to 4.9 parts of an initiator a, 3.3 to 5.6 parts of an initiator b, 380-420 parts of an alkyl small monomer, 6.6-8.9 parts of a cross-linking agent, 4.5-7.2 parts of a flexible small monomer, 25-42 parts of a fluorine functional monomer, 0.08-0.30 part of a chain transfer agent, 5-10 parts of a neutralizer, 5-10 parts of a pH regulator, 3.0-9.0 parts of a co-emulsifier and 0.6-1.8 partsof a liquid film enhancer, with the balance being water, wherein the total mass part of the polymer is 1000, and the solid content of the polymer is 50%. The hyperconcentrated emulsion polymer is formed by polymerizing the amide small monomer and the alkyl small monomer through a hyperconcentrated polymerization method; a jelly-like hyperconcentrated emulsion is prepared through the hyperconcentrated emulsion polymerization method and used for a polymerization reaction; and the hyperconcentrated emulsion has the characteristic of good stability, and the formed hyperconcentrated emulsion polymer also has very excellent stability.

Description

technical field [0001] The invention belongs to the technical field of building materials and relates to the field of waterproof materials, in particular to a method for preparing a high-temperature-resistant amidoalkyl ultra-concentrated emulsion polymer. Background technique [0002] The synthesis reaction of polymer emulsion is a polymerization process in which monomer and water are configured into an emulsion under the action of an emulsifier. The synthesis of polymer emulsions is one of the stricter synthesis methods. Before large-scale production of polymer emulsions, strict pilot tests are required. Especially, thermally induced polymer emulsion synthesis experiments require high temperature control. Under automatic operation conditions, the influence of human factors will inevitably affect the reaction process of the pilot test synthesis, such as the dropping time and dropping speed of the pre-emulsified monomer, the temperature control in the reactor, the temperatur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F216/18C08F220/54C08F220/56C08F220/24C08F220/18C08F222/20C08F230/06C08F212/14C08F2/26C09D129/10C09D133/24
CPCC08F2/26C08F216/18C08F220/54C09D129/10C09D133/24C08F230/06C08F220/24C08F222/20
Inventor 柯凯姚恒罗人豪
Owner HUBEI UNIV OF TECH
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