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Electrostatic flocking water-based adhesive for iron hanger and preparation method of water-based adhesive

An electrostatic flocking and adhesive technology, applied in the field of flocking glue, can solve the problems of poor water resistance and low mechanical strength, achieve the effect of changing poor water resistance, avoiding viscosity peaks, and improving water resistance

Inactive Publication Date: 2018-04-20
东莞智炜新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its disadvantages are mainly poor water resistance and low mechanical strength.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] 1. Weigh 10kg of water-based polyurethane emulsion with a solid content of 30%, 0.2kg of polyether defoamer, 0.2kg of leveling agent, silicone leveling agent and acrylic leveling agent. 3:1 mixture; 0.03kg thickener; three kinds of mixtures of cellulose ether and its derivatives thickener, associative alkali swelling thickener and polyurethane thickener, the weight fraction ratio is 1:5 : 3; 0.4kg of blocked isocyanate crosslinking agent.

[0036] 2. Add water-based polyurethane emulsion, leveling agent, and blocked isocyanate crosslinking agent in proportion to the flask, and stir evenly at room temperature;

[0037] 3. Add the weighed thickener, stir evenly, the stirring speed is 2000 rpm, and the stirring time is about 10~20 minutes;

[0038] 4. Add a weighed defoamer, stir evenly, and let it stand for 30 minutes to discharge, so as to obtain the iron hanger electrostatic flocking water-based adhesive of Example 1.

Embodiment 2

[0040] 1. Weigh 10kg of water-based polyurethane emulsion with a solid content of 35%, 0.3kg of polyether defoamer, 0.2kg of leveling agent, silicone leveling agent and acrylic leveling agent. 4:1 mixture; 0.05kg thickener; three kinds of mixtures of cellulose ether and its derivatives thickener, associative alkali swelling thickener and polyurethane thickener, the weight fraction ratio is 1:3 : 2; 0.2kg of blocked isocyanate crosslinking agent.

[0041] 2. Add water-based polyurethane emulsion, leveling agent, and blocked isocyanate crosslinking agent in proportion to the flask, and stir evenly at room temperature;

[0042] 3. Add the weighed thickener, stir evenly, the stirring speed is 2000 rpm, and the stirring time is about 10~20 minutes;

[0043] 4. Add the weighed defoamer, stir evenly and let it stand for 30 minutes to discharge, so as to obtain the iron hanger electrostatic flocking water-based adhesive of Example 2.

Embodiment 3

[0045] 1. Weigh 10kg of water-based polyurethane emulsion with a solid content of 40%, 0.2kg of polyether defoamer, 0.3kg of leveling agent, silicone leveling agent and acrylic leveling agent. 2:1 mixing; 0.03kg of thickener; three kinds of mixing of cellulose ether and its derivative thickener, associative alkali swelling thickener and polyurethane thickener, the weight fraction ratio is 1:2 : 2; 0.4kg of blocked isocyanate crosslinking agent.

[0046] 2. Add water-based polyurethane emulsion, leveling agent, and blocked isocyanate crosslinking agent in proportion to the flask, and stir evenly at room temperature;

[0047] 3. Add the weighed thickener, stir evenly, the stirring speed is 2000 rpm, and the stirring time is about 10~20 minutes;

[0048] 4. Add the weighed defoamer, stir evenly and let it stand for 30 minutes to discharge, so as to obtain the iron hanger electrostatic flocking water-based adhesive of Example 3.

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PUM

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Abstract

The invention provides an electrostatic flocking water-based adhesive for an iron hanger. The water-based adhesive comprises the following raw materials in parts by weight: 100 parts of aqueous polyurethane emulsion, 1-5 parts of an antifoaming agent, 1-5 parts of a flatting agent, 0.1-0.5 part of a thickening agent and 1-5 parts of a closed crosslinking agent. According to the electrostatic flocking water-based adhesive disclosed by the invention, the self-crosslinking water-based adhesive serves as a flocking adhesive, so that the defects of waterborne acrylic emulsion in aspects such as wear resistance, water resistance, temperature resistance and softness are overcome.

Description

technical field [0001] The invention belongs to the technical field of flocking adhesives, and in particular relates to an electrostatic flocking water-based adhesive for iron hangers and a preparation method thereof. Background technique [0002] The method of vertically fixing short fibers (generally 0.03~0.5cm in length) on the substrate coated with adhesive is called flocking. The principle of flocking is to make use of the physical characteristics of same-sex repulsion and opposite-sex attraction, so that the fluff is negatively charged, and the object to be flocked is placed under zero potential or grounding conditions, and the fluff is attracted by the plant body by the different potential, showing The vertical shape accelerates to fly to the object surface that needs flocking, and because the plant body is coated with adhesive, the fluff is just vertically stuck on the plant body. At present, the commonly used flocking process is electrostatic flocking. Electrostati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/04C09J11/06C09J11/08B05D1/04B05D1/14B05D3/02
CPCB05D1/04B05D1/14B05D3/0254C08L2205/025C08L2205/035C09J11/06C09J11/08C09J175/04C08L1/26C08L75/04C08L71/02
Inventor 张安洪刘燕锋罗英姿
Owner 东莞智炜新材料股份有限公司
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