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Water-based organic silicon modified cationic acrylic resin and synthesis method thereof

A cationic acrylic and silicone technology, applied in the field of furniture decoration and decoration, which can solve the problems of insufficient hardness, fullness, transparency and resistance

Inactive Publication Date: 2020-10-23
HUBEI JIADE PUAN PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above technical problems, the present invention provides a water-based organic silicon modified cationic acrylic resin and its synthesis method, which solves the shortcomings of current water-based resins in the production of high-grade water-based wood lacquers, such as insufficient hardness, fullness, transparency and tolerance.

Method used

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  • Water-based organic silicon modified cationic acrylic resin and synthesis method thereof
  • Water-based organic silicon modified cationic acrylic resin and synthesis method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The preparation method of waterborne organosilicon modified cationic acrylic resin:

[0038] 1) Stir and mix 250kg propylene glycol methyl ether and 50kg absolute ethanol evenly, then heat to 88°C;

[0039] 2) 150kg methyl methacrylate, 40kg butyl acrylate, 200kg styrene, 100kg dimethylaminoethyl methacrylate, 100kg hydroxyethyl acrylate, 30kg vinyltriethoxysilane, 10kg methylstyrene Linear dimer, 50kg N,N-dimethylformamide, 10kg azobisisobutyronitrile were mixed uniformly to obtain a mixed solution;

[0040] 3) Add the mixed solution of step 2) into step 1), and stir while adding dropwise, and the adding time is controlled within 5 hours;

[0041] 4) After step 3), continue to keep warm for 2 hours, and control the temperature at 88°C;

[0042] 5) After step 4), the temperature is lowered, and the temperature is less than 50°C;

[0043] 6) Add 10 kg of lactic acid into step 5), and stir for half an hour to obtain a water-based silicone-modified cationic acrylic resi...

Embodiment 2

[0045] The preparation method of waterborne organosilicon modified cationic acrylic resin:

[0046] 1) Stir and mix 240kg propylene glycol methyl ether and 80kg absolute ethanol evenly, then heat to 90°C;

[0047] 2) 180kg methyl methacrylate, 20kg butyl acrylate, 180kg styrene, 80kg dimethylaminoethyl methacrylate, 60kg hydroxyethyl acrylate, 40kg vinyltriethoxysilane, 15kg methylstyrene Linear dimer, 60kg N,N-dimethylformamide, 12kg azobisisobutyronitrile were mixed uniformly to obtain a mixed solution;

[0048] 3) Add the mixed solution of step 2) into step 1), and stir while adding dropwise, and the adding time is controlled within 5 hours;

[0049] 4) After step 3), continue to keep warm for 2 hours, and keep the temperature at 90°C;

[0050] 5) After step 4), the temperature is lowered, and the temperature is less than 50°C;

[0051] 6) Add 15kg of lactic acid into step 5), and stir for half an hour to obtain a water-based silicone-modified cationic acrylic resin.

Embodiment 3

[0053] The preparation method of waterborne organosilicon modified cationic acrylic resin:

[0054] 1) Stir and mix 100kg propylene glycol methyl ether and 200kg absolute ethanol, then heat to 88°C;

[0055] 2) 150kg methyl methacrylate, 40kg butyl acrylate, 200kg styrene, 100kg dimethylaminoethyl methacrylate, 100kg hydroxyethyl acrylate, 30kg vinyltriethoxysilane, 50kg methylstyrene Linear dimer, 160kg N, N-dimethylformamide, 50kg azobisisobutyronitrile were mixed uniformly to obtain a mixed solution;

[0056] 3) Add the mixed solution of step 2) into step 1), and stir while adding dropwise, and the adding time is controlled within 4 hours;

[0057] 4) After step 3), continue to keep warm for 2 hours, and control the temperature at 88°C;

[0058] 5) After step 4), the temperature is lowered, and the temperature is less than 50°C;

[0059] 6) Add 20kg of lactic acid into step 5), and stir for half an hour to obtain a water-based silicone-modified cationic acrylic resin.

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Abstract

The invention discloses water-based organic silicon modified cationic acrylic resin and a synthesis method. The water-based organic silicon modified cationic acrylic resin is prepared from the following raw materials: a monomer, a functional monomer, a solvent, acid, a chain transfer agent and an initiator, wherein the monomer comprises, by weight, 100-400 parts of methyl methacrylate, 5-50 partsof butyl acrylate and 20-200 parts of styrene, the functional monomer comprises, by weight, 10-100 parts of vinyltriethoxysilane, 20-200 parts of dimethylaminoethyl methacrylate and 30-250 parts of hydroxyethyl acrylate, the solvent comprises, by weight, 100-400 parts of propylene glycol monomethyl ether, 50-400 parts of absolute ethyl alcohol and 20-200 parts of N, N-dimethylformamide, the acid is 5-60 parts by weight of lactic acid, the chain transfer agent is 1-50 parts by weight of a methyl styrene linear dimer, and the initiator is 1-50 parts by weight of azodiisobutyronitrile. The invention solves the fundamental problems of unsatisfactory hardness, transparency, solvent resistance and other properties, high cost and the like of the traditional water-based wood paint, can completelyreplace the oil-based PU wood paint, and can generate great advantages for environmental beautification without losing the properties under the large situation of environmental protection.

Description

technical field [0001] The invention relates to furniture decoration and decoration, in particular to a water-based organosilicon-modified cationic acrylic resin and a synthesis method. Background technique [0002] Since 2015, my country has successively formulated some regulations and policies. From January 1, 2015, the "Environmental Protection Law" was officially implemented. The new "Environmental Protection Law" has greatly strengthened the punishment of enterprises. In order to promote energy conservation and environmental protection, approved by the State Council, Consumption tax will be imposed on batteries and paints from February 1, 2015. The introduction of the most stringent environmental protection law in history and the collection of paint consumption tax have brought severe challenges to the traditional paint industry. [0003] In June 2015, "Waterborne Polyurethane Coatings" HG / T4761-2014, "Waterborne Epoxy Resin Anticorrosion Coatings" HG / T4759-2014, "Water...

Claims

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Application Information

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IPC IPC(8): C08F212/08C08F220/14C08F220/18C08F220/06C08F220/20C08F230/08C08F2/38C09D125/14C09D133/12
CPCC08F2/38C08F212/08C08F220/14C09D125/14C09D143/04C08F220/1804C08F220/34C08F220/20C08F230/08
Inventor 郝隆朱勇
Owner HUBEI JIADE PUAN PAINT
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