阅读说明：本技术 一种高附着性耐磨塑料制品喷涂油漆及其制备方法 (High-adhesion wear-resistant plastic product spray paint and preparation method thereof ) 是由 田胜华 周冬 聂险 于 2021-07-30 设计创作，主要内容包括：本发明公开的属于油漆技术领域,具体为一种高附着性耐磨塑料制品喷涂油漆及其制备方法,S1:将醇酸树脂、环氧树脂、聚丙烯酸甲酯、滑石粉、增塑剂、消泡剂、流平剂、防霉剂混合加入反应釜中进行搅拌,搅拌过程中反应釜对加入的混合料进行加热,S2:向反应釜中的混合料加入碳化硅粉末,加热、搅拌并进行保温,S3:向步骤S2中得到的混合料中加入颜料后搅拌均匀,将碳化硅粉末与醇酸树脂、环氧树脂结合,油漆涂抹在塑料制品表面后形成致密涂层,大大提高了油漆的耐磨性,能够对塑料制品起到更好的耐磨保护作用,通过聚丙烯酸甲酯的设置,聚丙烯酸甲酯具有较好的粘结性,从而使油漆具有高附着性,使油漆与塑料制品表面紧密结合。(The invention belongs to the technical field of paint, and particularly relates to high-adhesion wear-resistant plastic product spray paint and a preparation method thereof, S1, wherein alkyd resin, epoxy resin, polymethyl acrylate, talcum powder, a plasticizer, a defoaming agent, a leveling agent and a mildew preventive are mixed and added into a reaction kettle for stirring, the added mixture is heated by the reaction kettle in the stirring process, S2, silicon carbide powder is added into the mixture in the reaction kettle for heating, stirring and heat preservation, S3, pigment is added into the mixture obtained in the step S2 and then the mixture is uniformly stirred, the silicon carbide powder is combined with the alkyd resin and the epoxy resin, the paint is smeared on the surface of a plastic product to form a compact coating, the wear resistance of the paint is greatly improved, the plastic product can be better protected against wear, and the polymethyl acrylate has better caking property through the arrangement of the polymethyl acrylate, thereby enabling the paint to have high adhesiveness and enabling the paint to be tightly combined with the surface of the plastic product.)

1. The high-adhesion wear-resistant plastic product spray paint is characterized in that: the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 10-20 parts of silicon carbide powder, 30-40 parts of alkyd resin, 10-15 parts of epoxy resin, 10-15 parts of polymethyl acrylate, 5-10 parts of talcum powder, 3-5 parts of a plasticizer, 2-4 parts of a defoaming agent, 3-5 parts of a leveling agent, 5-8 parts of a mildew preventive and 8-12 parts of a pigment.

2. The spray paint for high-adhesion wear-resistant plastic products as claimed in claim 1, wherein: the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 10 parts of silicon carbide powder, 30 parts of alkyd resin, 10 parts of epoxy resin, 10 parts of polymethyl acrylate, 5 parts of talcum powder, 3 parts of plasticizer, 2 parts of defoamer, 3 parts of flatting agent, 5 parts of mildew preventive and 8 parts of pigment.

3. The spray paint for high-adhesion wear-resistant plastic products as claimed in claim 1, wherein: the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 15 parts of silicon carbide powder, 35 parts of alkyd resin, 12.5 parts of epoxy resin, 12.5 parts of polymethyl acrylate, 7.5 parts of talcum powder, 4 parts of plasticizer, 3 parts of defoaming agent, 4 parts of leveling agent, 6.5 parts of mildew preventive and 10 parts of pigment.

4. The spray paint for high-adhesion wear-resistant plastic products as claimed in claim 1, wherein: the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 20 parts of silicon carbide powder, 40 parts of alkyd resin, 15 parts of epoxy resin, 15 parts of polymethyl acrylate, 10 parts of talcum powder, 5 parts of plasticizer, 4 parts of defoaming agent, 5 parts of leveling agent, 8 parts of mildew preventive and 12 parts of pigment.

5. The spray paint for high-adhesion wear-resistant plastic products as claimed in claim 1, wherein: the pigment is a mineral pigment or an organic pigment.

6. A method for preparing the spray paint of the high-adhesion wear-resistant plastic product according to any one of claims 1 to 5, which is characterized by comprising the following steps: the method comprises the following steps:

s1, mixing alkyd resin, epoxy resin, polymethyl acrylate, talcum powder, plasticizer, defoaming agent, flatting agent and mildew preventive, adding into a reaction kettle, stirring, and heating the added mixture in the stirring process;

s2, adding silicon carbide powder into the mixture in the reaction kettle, heating, stirring and preserving heat;

and S3, adding the pigment into the mixture obtained in the step S2, uniformly stirring, and standing to obtain the high-adhesiveness wear-resistant plastic product spray paint.

7. The preparation method of the spray paint for the high-adhesion wear-resistant plastic products according to claim 6, characterized in that: in the step S1, the heating temperature is 160-180 ℃, and the heating time is 30-40 min.

8. The preparation method of the spray paint for the high-adhesion wear-resistant plastic products according to claim 6, characterized in that: in the step S2, the temperature is maintained after heating to 200-220 ℃, and the temperature maintaining time is 20-30 min.

9. The preparation method of the spray paint for the high-adhesion wear-resistant plastic products according to claim 6, characterized in that: in the step S3, the standing time is 6-8h, and the heating is closed in the standing process.

Technical Field

The invention relates to the technical field of paint, in particular to high-adhesion wear-resistant plastic product spray paint and a preparation method thereof.

Background

The paint is mainly made of vegetable oil in the early period, so the paint is called 'paint', such as healthy, environment-friendly and original ecological boiled tung oil. Both traditional coating products which take natural substances as raw materials and coating products which take synthetic chemical products as raw materials in modern development belong to organic chemical high polymer materials, and the formed coating film belongs to a high polymer compound type. According to the modern popular classification of chemical products, the coating belongs to fine chemical products. Modern coatings are gradually becoming a multifunctional engineering material, an important industry in the chemical industry. Paint is a chemical mixture coating that can be firmly covered on the surface of an object for protection, decoration, marking and other special purposes.

In the processing process of plastic products, paint is usually sprayed on the surface of the plastic products for playing the roles of decoration and protection, and the existing paint for spraying the plastic products has poor adhesiveness and wear resistance, so that the sprayed plastic products have poor using effect.

Disclosure of Invention

The invention aims to provide a high-adhesion wear-resistant plastic product spray paint and a preparation method thereof, and aims to solve the problem that the existing paint for spraying plastic products in the background art has poor adhesion and wear resistance, so that the sprayed plastic products have poor use effect.

In order to achieve the purpose, the invention provides the following technical scheme: the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 10-20 parts of silicon carbide powder, 30-40 parts of alkyd resin, 10-15 parts of epoxy resin, 10-15 parts of polymethyl acrylate, 5-10 parts of talcum powder, 3-5 parts of a plasticizer, 2-4 parts of a defoaming agent, 3-5 parts of a leveling agent, 5-8 parts of a mildew preventive and 8-12 parts of a pigment.

Preferably, the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 10 parts of silicon carbide powder, 30 parts of alkyd resin, 10 parts of epoxy resin, 10 parts of polymethyl acrylate, 5 parts of talcum powder, 3 parts of plasticizer, 2 parts of defoamer, 3 parts of leveling agent, 5 parts of mildew preventive and 8 parts of pigment.

Preferably, the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 15 parts of silicon carbide powder, 35 parts of alkyd resin, 12.5 parts of epoxy resin, 12.5 parts of polymethyl acrylate, 7.5 parts of talcum powder, 4 parts of plasticizer, 3 parts of defoaming agent, 4 parts of leveling agent, 6.5 parts of mildew preventive and 10 parts of pigment.

Preferably, the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 20 parts of silicon carbide powder, 40 parts of alkyd resin, 15 parts of epoxy resin, 15 parts of polymethyl acrylate, 10 parts of talcum powder, 5 parts of plasticizer, 4 parts of defoamer, 5 parts of leveling agent, 8 parts of mildew preventive and 12 parts of pigment.

Preferably, the pigment is a mineral pigment or an organic pigment.

A preparation method of a high-adhesion wear-resistant plastic product spray paint comprises the following steps:

s1, mixing alkyd resin, epoxy resin, polymethyl acrylate, talcum powder, plasticizer, defoaming agent, flatting agent and mildew preventive, adding into a reaction kettle, stirring, and heating the added mixture in the stirring process;

s2, adding silicon carbide powder into the mixture in the reaction kettle, heating, stirring and preserving heat;

and S3, adding the pigment into the mixture obtained in the step S2, uniformly stirring, and standing to obtain the high-adhesiveness wear-resistant plastic product spray paint.

Preferably, in the step S1, the heating temperature is 160-180 ℃, and the heating time is 30-40 min.

Preferably, in the step S2, the temperature is maintained after heating to 200-220 ℃, and the temperature maintaining time is 20-30 min.

Preferably, in the step S3, the standing time is 6-8h, and the heating is turned off during the standing process.

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

the silicon carbide powder is combined with the alkyd resin and the epoxy resin, and the paint forms a compact coating after being coated on the surface of a plastic product, so that the wear resistance of the paint is greatly improved, the plastic product can be better protected against wear, and the polymethyl acrylate has better cohesiveness through the arrangement of the polymethyl acrylate, so that the paint has high adhesiveness, and the paint is tightly combined with the surface of the plastic product.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like, indicate orientations or positional relationships for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention provides a technical scheme that: the high-adhesion wear-resistant plastic product spray paint comprises, by weight, 10-20 parts of silicon carbide powder, 30-40 parts of alkyd resin, 10-15 parts of epoxy resin, 10-15 parts of polymethyl acrylate, 5-10 parts of talcum powder, 3-5 parts of a plasticizer, 2-4 parts of a defoaming agent, 3-5 parts of a leveling agent, 5-8 parts of a mildew preventive and 8-12 parts of a pigment.

The pigment is a mineral pigment or an organic pigment.

A preparation method of a high-adhesion wear-resistant plastic product spray paint comprises the following steps:

s1, mixing alkyd resin, epoxy resin, polymethyl acrylate, talcum powder, plasticizer, defoaming agent, flatting agent and mildew preventive, adding into a reaction kettle, stirring, and heating the added mixture in the stirring process;

s2, adding silicon carbide powder into the mixture in the reaction kettle, heating, stirring and preserving heat;

and S3, adding the pigment into the mixture obtained in the step S2, uniformly stirring, and standing to obtain the high-adhesiveness wear-resistant plastic product spray paint.

In the step S1, the heating temperature is 160-180 ℃, and the heating time is 30-40 min.

In the step S2, the temperature is maintained after heating to 200-220 ℃, and the temperature maintaining time is 20-30 min.

In the step S3, the standing time is 6-8h, and the heating is closed in the standing process.

Example 1:

30kg of alkyd resin, 10kg of epoxy resin, 10kg of polymethyl acrylate, 5kg of talcum powder, 3kg of plasticizer, 2kg of defoaming agent, 3kg of leveling agent and 5kg of mildew preventive are mixed and added into a reaction kettle for stirring, the reaction kettle heats the added mixture in the stirring process, the heating temperature is 160-180 ℃, the heating time is 30-40min, then 10kg of silicon carbide powder is added into the reaction kettle, the mixture is stirred and heated to 200-220 ℃, then the heat preservation is carried out, the heat preservation time is 20-30min, 8kg of pigment is added into the reaction kettle, the mixture is uniformly stirred, the mixture is kept stand for 6-8h, and the heating is closed in the standing process to obtain the high-adhesiveness wear-resistant plastic product spray paint.

Example 2:

taking 35kg of alkyd resin, 12.5kg of epoxy resin, 12.5kg of polymethyl acrylate, 7.5kg of talcum powder, 4kg of plasticizer, 3kg of defoaming agent, 4kg of flatting agent and 6.5kg of mildew preventive, mixing and adding into a reaction kettle for stirring, heating the added mixture in the stirring process by the reaction kettle at the heating temperature of 160-180 ℃ for 30-40min, adding 15kg of silicon carbide powder into the reaction kettle, stirring and heating to the temperature of 200-220 ℃, then preserving heat for 20-30min, adding 10kg of pigment into the reaction kettle, uniformly stirring, standing for 6-8h, and closing heating in the standing process to obtain the high-adhesiveness wear-resistant plastic product spray paint.

Example 3:

mixing 40kg of alkyd resin, 15kg of epoxy resin, 15kg of polymethyl acrylate, 10kg of talcum powder, 5kg of plasticizer, 4kg of defoaming agent, 5kg of leveling agent and 8kg of mildew preventive, adding the mixture into a reaction kettle, stirring, heating the added mixture by the reaction kettle at the temperature of 160-180 ℃ for 30-40min in the stirring process, adding 20kg of silicon carbide powder into the reaction kettle, stirring and heating to the temperature of 200-220 ℃, then preserving heat for 20-30min, adding 12kg of pigment into the reaction kettle, stirring uniformly, standing for 6-8h, and closing heating in the standing process to obtain the high-adhesiveness wear-resistant plastic product spray paint.

The following table is the performance index data for the above examples:

the silicon carbide powder is combined with the alkyd resin and the epoxy resin, and the paint forms a compact coating after being coated on the surface of a plastic product, so that the wear resistance of the paint is greatly improved, the plastic product can be better protected against wear, and the polymethyl acrylate has better cohesiveness through the arrangement of the polymethyl acrylate, so that the paint has high adhesiveness, and the paint is tightly combined with the surface of the plastic product.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

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.