阅读说明：本技术 一种天鹅绒哑光变色净味触感清漆及其制备方法 (Velvet matt color-changing odorless touch varnish and preparation method thereof ) 是由 陈晨凯 郭全坚 林昌庆 陈祥朋 陈剑伟 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种天鹅绒哑光变色净味触感清漆,该清漆的组成以及各组分的所占比例为：羟乙基纤维素0.24-0.36％、PH调节剂0.16-0.24％、消泡剂0.08-0.12％、杀菌剂0.08-0.12％、防腐剂0.16-0.24％、成膜助剂Ⅰ1.12-1.68％、苯丙乳液10.0-30.0％、松香钙脂5.0-10.0％、VAE乳液20.0-30.0％、溶剂油2.0-10.0％、成膜助剂Ⅱ2.72-4.08％、润湿剂0.12-0.18％、绒毛粉10.0-20.0％、温变粉6.00-15.0％、苯二甲酸二辛酯0.05-0.20％、丁二烯1.0-5.0％、环己酮0.5-1.3％、表面活性剂0.20-0.50％、增塑剂0.12-0.60％、防水剂0.50-1.20％、植物精油0.35-1.0％,余量为去离子水,本发明还公开了一种天鹅绒哑光变色净味触感清漆的制备方法。本发明清漆可以随着环境的温度变化而变色,在特殊的场所,可创造出特殊的艺术感,在不影响面漆或者基材本身艺术效果的前提下产生魔幻感,天鹅绒般的触感可以给人一种视觉和触觉的双向感官冲击。(The invention discloses a velvet matt color-changing odorless touch varnish, which comprises the following components in percentage by weight: 0.24 to 0.36 percent of hydroxyethyl cellulose, 0.16 to 0.24 percent of PH regulator, 0.08 to 0.12 percent of defoaming agent, 0.08 to 0.12 percent of bactericide, 0.16 to 0.24 percent of preservative, 1.12 to 1.68 percent of film forming additive I, 10.0 to 30.0 percent of styrene-acrylic emulsion, 5.0 to 10.0 percent of rosin calcium ester, 20.0 to 30.0 percent of VAE emulsion, 2.0 to 10.0 percent of solvent oil, 2.72 to 4.08 percent of film forming additive II, 0.12 to 0.18 percent of wetting agent, 10.0 to 20.0 percent of fluff powder, 6.00 to 15.0 percent of temperature-changing powder, 0.05 to 0.20 percent of dioctyl phthalate, 1.0 to 5.0 percent of butadiene, 0.5 to 1.3 percent of cyclohexanone, 0.20 to 0.50 percent of surfactant, 0.12 to 0.60 percent of plasticizer, 0.50 to 1.20 percent of water repellent, 0.35 to 1.0 percent of plant essential oil, the balance of deionized water, and the invention also discloses a preparation method of the velvet matt color-changing odorless touch varnish. The varnish can change color along with the change of the temperature of the environment, can create special artistic feeling in special places, generates magic feeling on the premise of not influencing the artistic effect of finish paint or a base material, and can give visual and tactile two-way sensory impact to people with velvet-like touch feeling.)

1. The velvet matt color-changing odor-free touch varnish is characterized in that: the varnish comprises the following components in percentage by weight: 0.24 to 0.36 percent of hydroxyethyl cellulose, 0.16 to 0.24 percent of PH regulator, 0.08 to 0.12 percent of defoaming agent, 0.08 to 0.12 percent of bactericide, 0.16 to 0.24 percent of preservative, 1.12 to 1.68 percent of film forming additive I, 10.0 to 30.0 percent of styrene-acrylic emulsion, 5.0 to 10.0 percent of rosin calcium ester, 20.0 to 30.0 percent of VAE emulsion, 2.0 to 10.0 percent of solvent oil, 2.72 to 4.08 percent of film forming additive II, 0.12 to 0.18 percent of wetting agent, 10.0 to 20.0 percent of fluff powder, 6.00 to 15.0 percent of temperature-changing powder, 0.05 to 0.20 percent of dioctyl phthalate, 1.0 to 5.0 percent of butadiene, 0.5 to 1.3 percent of cyclohexanone, 0.20 to 0.50 percent of surfactant, 0.12 to 0.60 percent of plasticizer, 0.50 to 1.20 percent of water repellent, 0.35 to 1.0 percent of plant essential oil and the balance of deionized water.

2. The velvet matte color-changing odor-free touch varnish according to claim 1, characterized in that: the hydroxyethyl cellulose is nonionic soluble cellulose ether, the pH regulator is a water-based solvent-free pH control agent, and the defoaming agent is polymer composite mineral oil.

3. The velvet matte color-changing odor-free touch varnish according to claim 2, characterized in that: the bactericide is a broad-spectrum aqueous mildew-proof bactericide, and the preservative is an isothiazolinone bactericide without organic volatile matters.

4. The velvet matte color-changing odor-free touch varnish according to claim 3, characterized in that: the film-forming additive I is a high-boiling-point film-forming additive with high film-forming performance, and the film-forming additive II is 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.

5. The velvet matte color-changing odor-free touch varnish according to claim 4, characterized in that: the acrylic emulsion is inner wall odor-free primer emulsion, the VAE emulsion is vinyl acetate-ethylene copolymer emulsion, and the wetting agent is polyoxyvinyl alkyl ether nonionic wetting agent.

6. The velvet matte color-changing odor-free touch varnish according to claim 5, characterized in that: the fluff powder is powder composed of elastic polymer microspheres, namely colored or non-colored polyurethane elastic microspheres modified by special silicone resin, the single diameter of the powder is 10-80mm, the average diameter of the temperature-change powder is a powdery substance with the diameter of 2-7 microns, the powder adopts a microcapsule structure, the inside of the powder is coated with a color-change substance, and the outside of the powder is provided with a layer of transparent protective shell with the thickness of about 0.2-0.5 micron.

7. The velvet matte color-changing odor-free touch varnish according to claim 6, characterized in that: the solvent oil is non-volatile solvent oil, and the surfactant is one of a compound surfactant and an anionic surfactant.

8. The velvet matte color-changing odor-free touch varnish according to claim 7, characterized in that: the plasticizer is one or a mixture of more than two of phthalate, aliphatic dibasic acid ester, fatty acid ester, benzene polyacid ester, polyol ester, epoxy hydrocarbon and alkyl sulfonate, and the waterproof agent is an organosilicon waterproof agent.

9. The velvet matte color-changing odor-free touch varnish according to claim 8, characterized in that: the plant essential oil is one of rose essential oil or orchid essential oil.

10. A process for the preparation of the velvet matte color-changing odor-less touch varnish according to any one of claims 1 to 9, characterized in that: the preparation method comprises the following steps:

step S1 includes: adding deionized water and hydroxyethyl cellulose into a dispersion cylinder, stirring by a high-speed stirrer, continuously dispersing for 5-8min at 500rpm of 200-;

step S2 includes: slowly adding a pH regulator, a defoaming agent, a bactericide, a preservative, deionized water and a film-forming additive I, adjusting the dispersion rotation speed to 700-950rpm, and continuously dispersing for 6-16 min;

step S3 includes: keeping the dispersion state, slowly adding the styrene-acrylic emulsion and VAE emulsion film-forming auxiliary agent II, rosin calcium ester, solvent oil and wetting agent, and continuously dispersing for 10-15 min;

step S4 includes: adding the fluff powder and the temperature change powder slowly into the resin system, flushing a cylinder by using deionized water, adjusting the rotating speed of a high-speed stirrer to be 900-1100rpm, and slowly adding dioctyl phthalate, butadiene, cyclohexanone, a surfactant, a plasticizer, a waterproof agent and plant essential oil in the continuous dispersion process to continuously disperse for 10-20min to obtain a uniform and particle-free mixed system.

Technical Field

The invention relates to the technical field of paint correlation, in particular to velvet matt color-changing smell-less touch varnish and a preparation method thereof.

Background

The varnish plays a role in protecting and improving the appearance, and is mostly a single high-gloss transparent paint film, but with the diversified requirements of modern young people, the unique artistic style becomes a new trend, so in order to meet the requirements of more customers, the varnish needs to be endowed with more functions, and from the perspective of users, the vision and the touch are the most intuitive judgment.

From the perspective of vision, colorful transparency is a technical challenge, a reversible temperature-sensitive color-changing substance can be introduced to generate the effect, the reversible temperature-sensitive color-changing substance is also called as a reversible temperature-sensitive color-changing pigment, the reversible temperature-sensitive color-changing pigment is a powdery substance with the average diameter of 2-7 micrometers, a microcapsule structure is adopted, the color-changing substance is coated in the microcapsule structure, a transparent protective shell with the thickness of about 0.2-0.5 micrometer is arranged outside the microcapsule structure, the microcapsule structure can not be dissolved or melted, and the color-changing substance is protected from being corroded by other chemical substances.

From the perspective of touch, the fluff powder composed of elastic polymer microspheres can be introduced, and is colored or non-colored polyurethane elastic microspheres modified by special silicone resin, and the single diameter of the polyurethane elastic microspheres is 10-80mm, so that the polyurethane fluff powder has the elasticity of rubber, has excellent performances in the aspects of heat resistance, solvent resistance, acid and alkali resistance, scratch resistance and the like, can be applied to various flat and smooth, colored soft coatings, and can enable a coating film to generate the feel of a fluff surface by matching with the elastic resin. The fluff powder has various particle sizes and colors, and can achieve the required color through dyeing, so that the fluff powder has more abundant colors.

Various raw materials exist in various industries, but the coating is a complex system, the sedimentation prevention and the stability are the most basic requirements, the powder is the substance which is most prone to the phenomenon, and the stability and the compatibility of the complex powder are the problems which are most difficult to overcome by the system.

Meanwhile, as environmental protection consciousness goes deep into the mind, the health concept becomes the primary concern of the public, and the water-based varnish meets new health challenges of zero formaldehyde, zero VOC, odor removal and the like, and meets the standards of the health interior wall.

The above are requirements for the quality of varnish in recent years, and a popular varnish must compromise these aspects. In view of the above, a velvet matte color-changing odorless touch varnish and a preparation method thereof are provided.

Disclosure of Invention

The invention aims to provide velvet matt color-changing odorless touch varnish and a preparation method thereof, and aims to solve the problems in the background art.

In order to realize the purpose, the invention provides the following technical scheme that the velvet matt color-changing odor-free touch varnish comprises the following components in percentage by weight: 0.24 to 0.36 percent of hydroxyethyl cellulose, 0.16 to 0.24 percent of PH regulator, 0.08 to 0.12 percent of defoaming agent, 0.08 to 0.12 percent of bactericide, 0.16 to 0.24 percent of preservative, 1.12 to 1.68 percent of film forming additive I, 10.0 to 30.0 percent of styrene-acrylic emulsion, 5.0 to 10.0 percent of rosin calcium ester, 20.0 to 30.0 percent of VAE emulsion, 2.0 to 10.0 percent of solvent oil, 2.72 to 4.08 percent of film forming additive II, 0.12 to 0.18 percent of wetting agent, 10.0 to 20.0 percent of fluff powder, 6.00 to 15.0 percent of temperature-changing powder, 0.05 to 0.20 percent of dioctyl phthalate, 1.0 to 5.0 percent of butadiene, 0.5 to 1.3 percent of cyclohexanone, 0.20 to 0.50 percent of surfactant, 0.12 to 0.60 percent of plasticizer, 0.50 to 1.20 percent of water repellent, 0.35 to 1.0 percent of plant essential oil and the balance of deionized water.

Preferably, the hydroxyethyl cellulose is nonionic soluble cellulose ether, the pH regulator is a water-based solvent-free pH control agent, and the defoaming agent is polymer composite mineral oil.

Preferably, the bactericide is a broad-spectrum aqueous mildew-proof bactericide, and the preservative is an isothiazolinone bactericide free of organic volatile matters.

Preferably, the film-forming assistant I is a high-boiling-point film-forming assistant with high film-forming property, and the film-forming assistant II is 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate.

Preferably, the acrylic emulsion is interior wall odor-free primer emulsion, the VAE emulsion is vinyl acetate-ethylene copolymer emulsion, and the wetting agent is polyoxyethylene alkyl ether nonionic wetting agent.

Preferably, the fluff powder is powder composed of elastic polymer microspheres, and is colored or non-colored polyurethane elastic microspheres modified by special silicone resin, the single diameter of the powder is 10-80mm, the average diameter of the temperature-change powder is 2-7 microns, the powder adopts a microcapsule structure, the inside of the powder is coated with a color-change substance, and the outside of the powder is provided with a transparent protective shell with the thickness of about 0.2-0.5 micron.

Preferably, the solvent oil is non-volatile solvent oil, and the surfactant is one of a built surfactant and an anionic surfactant.

Preferably, the plasticizer is one or a mixture of more than two of phthalate, aliphatic dibasic acid ester, fatty acid ester, benzene polyacid ester, polyol ester, epoxy hydrocarbon and alkyl sulfonate, and the waterproof agent is an organosilicon waterproof agent.

Preferably, the plant essential oil is one of rose essential oil or orchid essential oil.

A preparation method of velvet matt color-changing odorless touch varnish comprises the following steps:

step S1 includes: adding deionized water and hydroxyethyl cellulose into a dispersion cylinder, stirring by a high-speed stirrer, continuously dispersing for 5-8min at 500rpm of 200-;

step S2 includes: slowly adding a pH regulator, a defoaming agent, a bactericide, a preservative, deionized water and a film-forming additive I, adjusting the dispersion rotation speed to 700-950rpm, and continuously dispersing for 6-16 min;

step S3 includes: keeping the dispersion state, slowly adding the styrene-acrylic emulsion and VAE emulsion film-forming auxiliary agent II, rosin calcium ester, solvent oil and wetting agent, and continuously dispersing for 10-15 min;

step S4 includes: adding the fluff powder and the temperature change powder slowly into the resin system, flushing a cylinder by using deionized water, adjusting the rotating speed of a high-speed stirrer to be 900-1100rpm, and slowly adding dioctyl phthalate, butadiene, cyclohexanone, a surfactant, a plasticizer, a waterproof agent and plant essential oil in the continuous dispersion process to continuously disperse for 10-20min to obtain a uniform and particle-free mixed system.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention solves the problems of transparence, colorlessness, sedimentation and instability, the varnish system is stable, the construction is convenient, the requirements of HG/T5065-one 2016 varnish internal wall standards are met, and the technical problem that the fluff powder and the temperature change powder are unstable in the varnish system is solved;

2. the varnish disclosed by the invention has a matte effect, is soft and thin in surface, elastic, transparent and soft in touch, and has comprehensive properties of acid and alkali resistance, salt mist resistance, scratch resistance, weather resistance and the like;

3. the varnish can change color along with the change of the temperature of the environment, can create special artistic feeling in special places, and can generate magic feeling on the premise of not influencing the artistic effect of finish paint or a base material. The palm temperature of a human is 35-37 ℃, the fluff powder with the transition temperature is selected to be introduced into the varnish, the color is changed by touching the hands, and the velvet-like touch feeling can give visual and tactile two-way sensory impact to the human body and create unique feeling.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: the technical solution of the present patent will be described in further detail with reference to the following embodiments.

A velvet matt color-changing odorless touch varnish comprises the following components in percentage by weight: 0.24 to 0.36 percent of hydroxyethyl cellulose, 0.16 to 0.24 percent of PH regulator, 0.08 to 0.12 percent of defoaming agent, 0.08 to 0.12 percent of bactericide, 0.16 to 0.24 percent of preservative, 1.12 to 1.68 percent of film forming additive I, 10.0 to 30.0 percent of styrene-acrylic emulsion, 5.0 to 10.0 percent of rosin calcium ester, 20.0 to 30.0 percent of VAE emulsion, 2.0 to 10.0 percent of solvent oil, 2.72 to 4.08 percent of film forming additive II, 0.12 to 0.18 percent of wetting agent, 10.0 to 20.0 percent of fluff powder, 6.00 to 15.0 percent of temperature-changing powder, 0.05 to 0.20 percent of dioctyl phthalate, 1.0 to 5.0 percent of butadiene, 0.5 to 1.3 percent of cyclohexanone, 0.20 to 0.50 percent of surfactant, 0.12 to 0.60 percent of plasticizer, 0.50 to 1.20 percent of water repellent, 0.35 to 1.0 percent of plant essential oil and the balance of deionized water.

A preparation method of velvet matt color-changing odorless touch varnish comprises the following steps:

step S1 includes: adding deionized water and hydroxyethyl cellulose into a dispersion cylinder, stirring by a high-speed stirrer, continuously dispersing for 5-8min at 500rpm of 200-;

step S2 includes: slowly adding a pH regulator, a defoaming agent, a bactericide, a preservative, deionized water and a film-forming additive I, adjusting the dispersion rotation speed to 700-950rpm, and continuously dispersing for 6-16 min;

step S3 includes: keeping the dispersion state, slowly adding the styrene-acrylic emulsion and VAE emulsion film-forming auxiliary agent II, rosin calcium ester, solvent oil and wetting agent, and continuously dispersing for 10-15 min;

step S4 includes: adding the fluff powder and the temperature change powder slowly into the resin system, flushing a cylinder by using deionized water, adjusting the rotating speed of a high-speed stirrer to be 900-1100rpm, and slowly adding dioctyl phthalate, butadiene, cyclohexanone, a surfactant, a plasticizer, a waterproof agent and plant essential oil in the continuous dispersion process to continuously disperse for 10-20min to obtain a uniform and particle-free mixed system.

Detailed description of the preferred embodiment 1

A velvet matt color-changing odorless touch varnish and a preparation method thereof are disclosed, wherein the varnish comprises the following components in percentage by weight: 0.30% of hydroxyethyl cellulose, 0.16% of pH regulator, 0.1% of defoaming agent, 0.10% of bactericide, 0.16% of preservative, 1.12% of film-forming additive I, 14.0% of styrene-acrylic emulsion, 6.0% of rosin calcium ester, 20.0% of VAE emulsion, 6.0% of solvent oil, 2.72% of film-forming additive II, 0.12% of wetting agent, 10.0% of fluff powder, 8.0% of temperature-change powder, 0.1% of dioctyl phthalate, 1.0% of butadiene, 0.5% of cyclohexanone, 0.3% of surfactant, 0.60% of plasticizer, 0.50% of water-proofing agent, 0.55% of plant essential oil and the balance of deionized water.

A preparation method of velvet matt color-changing odorless touch varnish comprises the following steps:

step S1 includes: adding deionized water and hydroxyethyl cellulose into a dispersion cylinder, stirring by a high-speed stirrer, continuously dispersing for 8min at 400rpm, and then increasing the speed to 1000rpm for continuously dispersing for 10min to fully disperse the hydroxyethyl cellulose;

step S2 includes: slowly adding a pH regulator, a defoaming agent, a bactericide, a preservative, deionized water and a film-forming additive I, adjusting the dispersion rotation speed to 800rpm, and continuously dispersing for 8 min;

step S3 includes: keeping the dispersion state, slowly adding the styrene-acrylic emulsion and VAE emulsion film-forming auxiliary agent II, rosin calcium ester, solvent oil and wetting agent, and continuously dispersing for 12 min;

step S4 includes: adding fluff powder and temperature change powder slowly into the resin system, flushing a cylinder with deionized water, adjusting the rotating speed of a high-speed stirrer to 900rpm, slowly adding dioctyl phthalate, butadiene, cyclohexanone, a surfactant, a plasticizer, a waterproof agent and plant essential oil in the continuous dispersing process, and continuously dispersing for 14min to obtain a uniform and particle-free mixed system.

Specific example 2

A velvet matt color-changing odorless touch varnish and a preparation method thereof are disclosed, wherein the varnish comprises the following components in percentage by weight: 0.3% of hydroxyethyl cellulose, 0.2% of pH regulator, 0.08% of defoaming agent, 0.12% of bactericide, 0.2% of preservative, 1.12% of film-forming additive I, 18.9% of styrene-acrylic emulsion, 6.0% of rosin calcium ester, 27% of VAE emulsion, 2.0% of solvent oil, 2.8% of film-forming additive II, 0.15% of wetting agent, 15.0% of fluff powder, 9.0% of temperature-changing powder, 0.05% of dioctyl phthalate, 2.6% of butadiene, 0.5% of cyclohexanone, 0.30% of surfactant, 0.18% of plasticizer, 1.20% of water-proofing agent, 0.6% of plant essential oil and the balance of deionized water.

A preparation method of velvet matt color-changing odorless touch varnish comprises the following steps:

step S1 includes: adding deionized water and hydroxyethyl cellulose into a dispersion cylinder, stirring by a high-speed stirrer, continuously dispersing for 6min at 400rpm, and then increasing the speed to 900rpm for continuously dispersing for 8min to fully disperse the hydroxyethyl cellulose;

step S2 includes: slowly adding a pH regulator, a defoaming agent, a bactericide, a preservative, deionized water and a film-forming additive I, adjusting the dispersion rotation speed to 950rpm, and continuously dispersing for 10 min;

step S3 includes: keeping the dispersion state, slowly adding the styrene-acrylic emulsion and VAE emulsion film-forming auxiliary agent II, rosin calcium ester, solvent oil and wetting agent, and continuously dispersing for 12 min;

step S4 includes: adding fluff powder and temperature change powder slowly into the resin system, flushing a cylinder with deionized water, adjusting the rotating speed of a high-speed stirrer to be 1000rpm, slowly adding dioctyl phthalate, butadiene, cyclohexanone, a surfactant, a plasticizer, a waterproof agent and plant essential oil in the continuous dispersing process, and continuously dispersing for 17min to obtain a uniform and particle-free mixed system.

Specific example 3

A velvet matt color-changing odorless touch varnish and a preparation method thereof are disclosed, wherein the varnish comprises the following components in percentage by weight: 0.30% of hydroxyethyl cellulose, 0.17% of pH regulator, 0.08% of defoaming agent, 0.09% of bactericide, 0.18% of preservative, 1.17% of film-forming additive I, 30.0% of styrene-acrylic emulsion, 5.0% of rosin calcium ester, 20.0% of VAE emulsion, 6.0% of solvent oil, 2.8% of film-forming additive II, 0.12% of wetting agent, 10.5% of fluff powder, 6.00% of temperature-change powder, 0.05% of dioctyl phthalate, 1.0% of butadiene, 1.3% of cyclohexanone, 0.50% of surfactant, 0.22% of plasticizer, 0.55% of water-proofing agent, 0.4% of plant essential oil and the balance of deionized water.

A preparation method of velvet matt color-changing odorless touch varnish comprises the following steps:

step S1 includes: adding deionized water and hydroxyethyl cellulose into a dispersion cylinder, stirring by using a high-speed stirrer, continuously dispersing for 8min at 400rpm, and then increasing the speed to 1200rpm for continuously dispersing for 10min to fully disperse the hydroxyethyl cellulose;

step S2 includes: slowly adding a pH regulator, a defoaming agent, a bactericide, a preservative, deionized water and a film-forming additive I, adjusting the dispersion rotation speed to 950rpm, and continuously dispersing for 15 min;

step S3 includes: keeping the dispersion state, slowly adding the styrene-acrylic emulsion and VAE emulsion film-forming auxiliary agent II, rosin calcium ester, solvent oil and wetting agent, and continuously dispersing for 15 min;

step S4 includes: adding fluff powder and temperature change powder slowly into the resin system, flushing a cylinder with deionized water, adjusting the rotating speed of a high-speed stirrer to 1100rpm, slowly adding dioctyl phthalate, butadiene, cyclohexanone, a surfactant, a plasticizer, a waterproof agent and plant essential oil in the continuous dispersing process, and continuously dispersing for 20min to obtain a uniform and particle-free mixed system.

The test results for three embodiments of the invention are shown in table 1:

TABLE 1

The characteristics of the varnishes produced according to the invention can be seen from Table 1:

(1) through verification, the invention solves the problems of transparency, colorlessness, sedimentation and instability, has a stable varnish system, is convenient to construct, meets the HG/T5065-.

(2) The varnish of the invention is different from the commercial high-gloss varnish, belongs to a matte effect, has a soft, thin, elastic, transparent and soft touch surface, and has the comprehensive properties of acid and alkali resistance, salt mist resistance, scratch resistance, weather resistance and the like.

(3) The varnish can change color along with the change of the temperature of the environment, can create special artistic feeling in special places, and can generate magic feeling on the premise of not influencing the artistic effect of the finish paint or the substrate. The palm temperature of a human is 35-37 ℃, the fluff powder with the transition temperature is selected to be introduced into the varnish, the color is changed by touching the hands, and the velvet-like touch feeling can give visual and tactile two-way sensory impact to the human body and create unique feeling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.