Rubber coating with high wear resistance and high hand feeling and preparation method thereof

A rubber coating, high wear resistance technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of loss of rubber elastic touch, inability to have both, and achieve the effect of cost saving, strong skin feeling and environmental protection

Inactive Publication Date: 2021-10-01
广东康伴新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 3c product plastic casing with elastic handle coating is currently popular among plastic product processors, but the problem that many coating suppliers and plastic appearance processors have a headache at present is: good rubber touch and excellent coating performance cannot be combined
In order to enhance the RCA resistance of coatings, many manufacturers often increase the matching ratio of curing agent. Although this can improve the wear resistance of elastic touch coatings, it is based on the loss of good rubber elastic touch.

Method used

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  • Rubber coating with high wear resistance and high hand feeling and preparation method thereof
  • Rubber coating with high wear resistance and high hand feeling and preparation method thereof
  • Rubber coating with high wear resistance and high hand feeling and preparation method thereof

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preparation example Construction

[0023] Please refer to figure 1 , the present invention further provides a method for preparing a high wear-resistant high-hand feeling rubber coating, comprising the following steps:

[0024] S1, taking 20-50 parts by weight of polyurethane resin emulsion and 10-20 parts by weight of hydroxyl acrylic resin emulsion and mixing and stirring evenly;

[0025] S2, add 0.1-0.5 parts by weight of defoamer and 0.2-0.5 parts by weight of neutralizing agent while stirring, and control the speed of 800-1200R / min to disperse for 5-10 minutes;

[0026] S3, reduce the rotational speed to 700-900R / min and add 1-5 parts by weight of rheological agent, and disperse evenly;

[0027] S4, 3-8 parts by weight of film-forming aids and 8-15 parts by weight of deionized water are pre-mixed evenly, and then added while stirring to disperse evenly;

[0028] S5, add 1-2 parts by weight of matting powder while stirring to disperse until the fineness is ≤20 microns;

[0029] S6, finally add 1-5 parts ...

Embodiment 1

[0034] Weigh 40 parts by weight of polyurethane resin emulsion and 15 parts by weight of hydroxyacrylic resin emulsion, mix and stir evenly; add 0.3 parts by weight of defoamer and 0.4 parts by weight of neutralizing agent while stirring, and control the speed of 1100R / min to disperse for 10 minutes ; Reduce rotating speed to 800R / min and add 3 parts of weight of nano-titanium dioxide (not through UV irradiation), evenly disperse; 5 parts of weight of film-forming aid (ethylene glycol monobutyl ether) and 10 parts of weight of deionized water Mix well in advance, then add while stirring, and disperse evenly; add 1 part of matting powder while stirring to disperse until the fineness is ≤ 20 microns; finally add 3 parts by weight of hand feeling aid, 0.3 parts by weight Part by weight of leveling agent is added separately while stirring, and evenly dispersed to obtain a rubber coating with high wear resistance and high hand feeling.

Embodiment 2

[0040] Weigh 40 parts by weight of polyurethane resin emulsion and 15 parts by weight of hydroxyacrylic resin emulsion, mix and stir evenly; add 0.3 parts by weight of defoamer and 0.4 parts by weight of neutralizing agent while stirring, and control the speed of 1100R / min to disperse for 10 minutes Reduce the rotating speed to 800R / min and add 3 parts of weight of nano-titanium dioxide (through UV irradiation for 10 minutes), evenly disperse; 5 parts of weight of film-forming aids and 10 parts of weight of deionized water are pre-mixed, and then stir While adding, disperse evenly; while stirring, add 1 part by weight of matting powder to disperse to fineness ≤ 20 microns; finally add 3 parts by weight of hand feeling additive, 0.3 part by weight of wetting agent and 0.4 part by weight of leveling agent Stirring is added separately, and the rubber coating with high wear resistance and high hand feeling can be obtained by uniform dispersion.

[0041] Test Example: The rubber co...

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Abstract

The invention provides a rubber coating with high wear resistance and high hand feeling and a preparation method thereof. The preparation method of the rubber coating comprises the following steps: weighing 20-50 parts by weight of polyurethane resin emulsion and 10-20 parts by weight of hydroxy acrylic resin emulsion, and uniformly mixing and stirring; adding 0.1-0.5 part by weight of a defoaming agent and 0.2-0.5 part by weight of a neutralizing agent while stirring, and dispersing for 5-10 minutes while controlling the rotating speed at 800-1200R / min; reducing the rotating speed to 700-900R / min, adding 1-5 parts by weight of a rheological agent, and uniformly dispersing; uniformly pre-mixing 3-8 parts by weight of a coalescing agent and 8-15 parts by weight of deionized water, then adding the coalescing agent and the deionized water while stirring, and uniformly dispersing the material; adding 1-2 parts by weight of matting powder while stirring, and dispersing until the fineness is less than or equal to 20 microns; and finally, respectively adding 1-5 parts by weight of a hand feeling aid, 0.1-0.5 part by weight of a wetting agent and 0.2-0.5 part by weight of a flatting agent while stirring, and uniformly dispersing to obtain the rubber coating with high wear resistance and high hand feeling.

Description

technical field [0001] The invention relates to a rubber coating with high wear resistance and high hand sensitivity and a preparation method thereof. Background technique [0002] Touch paint, also known as rubber paint and elastic paint, is sprayed on the surface of objects and is in a matte or semi-matte state. It feels very delicate and smooth, with elegant and solemn appearance, excellent scratch resistance, weather resistance and abrasion resistance. [0003] 3c product plastic casing with elastic touch coating is currently popular among plastic product processors, but the problem that many coating suppliers and plastic appearance processors have a headache at present is: good rubber touch and excellent coating performance cannot be combined. In order to enhance the RCA resistance of coatings, many manufacturers often increase the matching ratio of curing agent. Although this can improve the wear resistance of elastic touch coatings, it is based on the loss of good rub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D133/04
CPCC09D175/04C08L33/04
Inventor 罗政刘峰龚浩
Owner 广东康伴新材料科技有限公司
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