阅读说明：本技术 一种可以快速固化的水性耐磨环氧地坪涂料 (Waterborne wear-resistant epoxy floor coating capable of being rapidly cured ) 是由 修东生 于 2020-12-31 设计创作，主要内容包括：本发明涉及涂料技术领域,公开了一种可以快速固化的水性耐磨环氧地坪涂料,包括水性环氧封闭底漆、水性环氧地坪中间漆和水性环氧地坪面漆,水性环氧封闭底漆、水性环氧地坪中间漆和水性环氧地坪面漆均由A组分和B组分构成,其中,A组分均相同,水性环氧封闭底漆、水性环氧地坪中间漆和水性环氧地坪面漆中的B组分各不相同,但主要都由水性环氧树脂固化剂和水组成,并均添加有聚酰胺树脂固化剂；本发明具有固化速度快、物理性能好的特点。(The invention relates to the technical field of coatings, and discloses a rapidly-cured water-based wear-resistant epoxy floor coating which comprises a water-based epoxy seal primer, a water-based epoxy floor intermediate coating and a water-based epoxy floor finish, wherein the water-based epoxy seal primer, the water-based epoxy floor intermediate coating and the water-based epoxy floor finish are respectively composed of a component A and a component B, the components A are the same, the components B in the water-based epoxy seal primer, the water-based epoxy floor intermediate coating and the water-based epoxy floor finish are different from each other, but mainly comprise a water-based epoxy resin curing agent and water, and are respectively added with a polyamide resin curing agent; the invention has the characteristics of high curing speed and good physical properties.)

1. The utility model provides a wear-resisting epoxy terrace coating of waterborne that can fast cure, includes waterborne epoxy seal primer, waterborne epoxy terrace intermediate coat and waterborne epoxy terrace finish paint, its characterized in that: the water-based epoxy seal primer, the water-based epoxy floor intermediate paint and the water-based epoxy floor finish paint are all composed of a component A and a component B, wherein the components A and the components B of the water-based epoxy seal primer, the water-based epoxy floor intermediate paint and the water-based epoxy floor finish paint are the same, and the components B are different; the component A comprises 80-90 parts of waterborne epoxy resin and 10-20 parts of reactive diluent;

the B component of the water-based epoxy seal primer is 15-25% of a water-based epoxy resin curing agent, 20-35% of a polyamide resin curing agent and 40-65% of water;

the component B of the water-based epoxy sealing intermediate paint is 10-20% of a water-based epoxy resin curing agent, 15-30% of a polyamide resin curing agent, 20-25% of water, 0.2-0.6% of a dispersing agent, 0.4-1% of an antifoaming agent, 25-35% of kaolin, 15-25% of barium sulfate and 0.6-1% of a pigment;

the B component of the water-based epoxy floor finish paint is 10-20% of a water-based epoxy resin curing agent, 15-30% of a polyamide resin curing agent, 20-25% of water, 0.2-0.4% of a dispersing agent, 0.3-0.6% of an antifoaming agent, 3-5% of a pigment, 5-10% of quartz sand, 15-25% of barium sulfate, 3-5% of talcum powder and 3-5% of sericite.

2. The fast-curing water-based wear-resistant epoxy floor coating as claimed in claim 1, wherein: the waterborne epoxy resin is one of E44 type epoxy resin, E42 type epoxy resin or GEM02 epoxy resin.

3. The fast-curing water-based wear-resistant epoxy floor coating as claimed in claim 1, wherein: the active diluent is selected from HK-66 active diluent, 501 active diluent or 669 active diluent.

4. The fast-curing water-based wear-resistant epoxy floor coating as claimed in claim 1, wherein: the aqueous epoxy resin curing agent is selected from aqueous curing agent WG828 with the brand of Meifeng brand being CGE-19.

5. The fast-curing water-based wear-resistant epoxy floor coating as claimed in claim 4, wherein: the polyamide resin curing agent is one of HT305 polyamide resin curing agent or 651 polyamide resin curing agent.

6. The fast-curing water-based wear-resistant epoxy floor coating as claimed in claim 5, wherein: the proportion of the usage amount of the waterborne epoxy resin curing agent to the usage amount of the polyamide resin curing agent is 1: 1.2 to 1.6.

Technical Field

The invention relates to the technical field of coatings, in particular to a water-based wear-resistant epoxy floor coating capable of being rapidly cured.

Background

In recent years, with the rapid development of epoxy water-based technology, water-based epoxy floor coatings are developed and applied, and compared with traditional solvent-based epoxy floor coatings, the water-based epoxy floor coatings have the advantages of explosion resistance, flame retardance, safe use, environmental protection and the like, so that the water-based epoxy floor coatings are more and more widely applied; the water-based epoxy floor paint is mainly prepared from various different substances such as oil, tree materials, colors, solvents and the like through a plurality of production processes such as mixing, dissolving, dispersing and the like, and can be divided into decorative floor paint, heavy-duty anticorrosive floor paint, heavy-duty floor paint and the like according to actual application.

In recent years, along with the coming of various relevant laws and regulations around environmental protection, the problem of environmental pollution has attracted great attention of society, and the replacement of the traditional solvent-based epoxy floor coating with the water-based epoxy floor coating with environmental protection points is a great trend for the development of the floor coating industry; however, at present, the curing time of the waterborne epoxy floor needs about 24 hours under normal temperature conditions, and the time is too long, so that the preparation is slow.

Disclosure of Invention

In view of the above, the invention provides a fast-curing water-based wear-resistant epoxy floor coating.

In order to solve the technical problems, the technical scheme of the invention is as follows: a water-based wear-resistant epoxy floor paint capable of being rapidly cured comprises a water-based epoxy seal primer, a water-based epoxy floor intermediate paint and a water-based epoxy floor finish paint, wherein the water-based epoxy seal primer, the water-based epoxy floor intermediate paint and the water-based epoxy floor finish paint are respectively composed of a component A and a component B, the components A of the water-based epoxy seal primer, the water-based epoxy floor intermediate paint and the water-based epoxy floor finish paint are the same, and the components B are different; the component A comprises 80-90 parts of waterborne epoxy resin and 10-20 parts of reactive diluent;

the B component of the water-based epoxy seal primer is 15-25% of a water-based epoxy resin curing agent, 20-35% of a polyamide resin curing agent and 40-65% of water;

the component B of the water-based epoxy sealing intermediate paint is 10-20% of a water-based epoxy resin curing agent, 15-30% of a polyamide resin curing agent, 20-25% of water, 0.2-0.6% of a dispersing agent, 0.4-1% of an antifoaming agent, 25-35% of kaolin, 15-25% of barium sulfate and 0.6-1% of a pigment;

the B component of the water-based epoxy floor finish paint is 10-20% of a water-based epoxy resin curing agent, 15-30% of a polyamide resin curing agent, 20-25% of water, 0.2-0.4% of a dispersing agent, 0.3-0.6% of an antifoaming agent, 3-5% of a pigment, 5-10% of quartz sand, 15-25% of barium sulfate, 3-5% of talcum powder and 3-5% of sericite.

Preferably, the waterborne epoxy resin is one of E44 type epoxy resin, E42 type epoxy resin or GEM02 type epoxy resin.

Preferably, the reactive diluent is selected from one of HK-66 reactive diluent, 501 reactive diluent or 669 reactive diluent.

Preferably, the aqueous epoxy resin curing agent is a water-based curing agent WG828 with the brand name of Meifeng Fenghuang brand being CGE-19.

Preferably, the polyamide resin curing agent is one of HT305 polyamide resin curing agent or 651 polyamide resin curing agent.

Preferably, the ratio of the usage amount of the water-based epoxy resin curing agent to the polyamide resin curing agent is 1: 1.2 to 1.6.

Compared with the prior art, the invention has the advantages that:

1. the invention uses two curing agents of water-based epoxy resin curing agent and polyamide resin curing agent simultaneously, and the two curing agents are mixed according to the usage amount of 1: the proportion of 1.2-1.6 is used, so that the overall mechanical property of the water-based wear-resistant epoxy floor coating can be effectively improved, the thermal deformation temperature of the coating reaches 118 ℃, the tensile strength of the coating reaches 32MPa, the curing time at normal temperature is only 11 hours, and the preparation time is greatly shortened.

2. According to the invention, kaolin and barium sulfate are added into the water-based epoxy sealing intermediate paint, the kaolin can increase the hardness of the water-based epoxy sealing intermediate paint, so that the overall hardness of the water-based wear-resistant epoxy floor coating is increased, and the barium sulfate can increase the wear resistance of the water-based epoxy sealing intermediate paint, so that the overall wear resistance of the water-based wear-resistant epoxy floor coating is increased.

3. According to the invention, the quartz sand, the barium sulfate, the talcum powder and the sericite are added into the water-based epoxy floor finish paint, the quartz sand and the barium sulfate can increase the wear resistance and hardness of the water-based epoxy floor finish paint, so that the overall wear resistance and hardness of the water-based epoxy floor paint are enhanced, the talcum powder can enhance the suspension property of the paint in the water-based epoxy floor finish paint, cracks and gaps are reduced, so that the durability of the water-based epoxy floor paint is enhanced, the sericite can enhance the weather resistance and chemical resistance of the water-based epoxy floor finish paint, the permeability is reduced, and the durability of the water-based epoxy floor paint is enhanced.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood 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 rapidly-cured water-based wear-resistant epoxy floor paint which comprises a water-based epoxy seal primer, a water-based epoxy floor intermediate paint and a water-based epoxy floor finish paint, wherein the water-based epoxy seal primer, the water-based epoxy floor intermediate paint and the water-based epoxy floor finish paint are respectively composed of a component A and a component B, the components A of the water-based epoxy seal primer, the water-based epoxy floor intermediate paint and the water-based epoxy floor finish paint are the same, and the components B are different; the component A comprises 80-90 parts of water-based epoxy resin and 10-20 parts of reactive diluent, the water-based epoxy resin can be one of E44 type epoxy resin, E42 type epoxy resin or GEM02 epoxy resin, preferably common E44 type epoxy resin, the reactive diluent can be one of HK-66 reactive diluent, 501 reactive diluent or 669 reactive diluent, and preferably common HK-66 reactive diluent.

The component B of the water-based epoxy seal primer comprises 15-25% of a water-based epoxy resin curing agent, 20-35% of a polyamide resin curing agent and 40-65% of water; the waterborne epoxy resin curing agent is selected from a waterborne curing agent WG828 with the brand name of Meifeng phoenix with the brand name of CGE-19, the polyamide resin curing agent can be selected from one of HT305 polyamide resin curing agent or 651 polyamide resin curing agent, and is preferably a 651 polyamide resin curing agent with the common brand name of RX.

The component B of the water-based epoxy sealing intermediate paint is 10-20% of a water-based epoxy resin curing agent, 15-30% of a polyamide resin curing agent, 20-25% of water, 0.2-0.6% of a dispersing agent, 0.4-1% of an antifoaming agent, 25-35% of kaolin, 15-25% of barium sulfate and 0.6-1% of a pigment; the waterborne epoxy resin curing agent of the component B of the waterborne epoxy sealing intermediate paint also selects a waterborne curing agent WG828 with the brand name of Meifeng phoenix with the code of CGE-19, the polyamide resin curing agent also selects a polyamide resin 651 with the brand name of RX, the dispersing agent selects a dispersing agent with the model number of SN-5029 produced by Nippon san Pouie company, the dispersing agent can be adsorbed on the surfaces of filler particles, such as kaolin particles and barium sulfate particles, so that repulsive force is generated among the filler particles, the filler particles can be prevented from aggregating into clusters due to flocculation, a filler particle system is kept stable, the defoaming agent selects a defoaming agent with the model number of BYK-022 produced by Germany Bick company, the defoaming agent defoams quickly and inhibits foams continuously, and the surface of the formed waterborne epoxy sealing intermediate paint is smooth and has no pinholes.

The component B of the waterborne epoxy floor finish paint is 10-20% of a waterborne epoxy resin curing agent, 15-30% of a polyamide resin curing agent, 20-25% of water, 0.2-0.4% of a dispersing agent, 0.3-0.6% of an antifoaming agent, 3-5% of a pigment, 5-10% of quartz sand, 15-25% of barium sulfate, 3-5% of talcum powder and 3-5% of sericite; the waterborne epoxy resin curing agent of the component B of the waterborne epoxy floor finish also selects a waterborne curing agent WG828 with the brand name of Meifeng Tech and the brand name of CGE-19, the polyamide resin curing agent also selects a polyamide resin curing agent 651 with the brand name of RX, the dispersing agent also selects a dispersing agent SN-5029 produced by Nippon san Fenglei company, and the defoaming agent BYK-022 produced by Germany Bike company.

Further, the ratio of the usage amount of the water-based epoxy resin curing agent to the polyamide resin curing agent is 1: 1.2-1.6, and the optimal ratio is 1: 1.5.

Example (b): this example provides a method of preparation of the present invention;

the preparation method of the component A comprises the following steps (by weight portion):

adding 90kg of E44 type epoxy resin into a dispersion mixer, starting stirring, adding 10kg of HK-66 active diluent when the dispersion mixer reaches the rotation speed of 400r/min, stirring for 5-10 min, and filtering and packaging.

The preparation method of the component B of the water-based epoxy seal primer comprises the following steps (parts by weight):

adding 20kg of water-based curing agent WG828 and 30kg of polyamide resin 651 curing agent into a dispersion mixer, starting stirring, adding 50kg of water when the dispersion mixer reaches 1000r/min, stirring for 15-30 min, filtering and packaging.

The preparation method of the component B of the water-based epoxy sealing intermediate paint comprises the following steps (parts by weight):

step one, adding 10kg of water-based curing agent WG828 and 15kg of polyamide resin 651 curing agent into a dispersion mixer, starting stirring, adding 20kg of water when the rotating speed reaches 1000r/min, and stirring for 15-30 min;

secondly, reducing the rotating speed to 600r/min, adding 0.4kg of SN-5029 dispersing agent, 35kg of kaolin, 18kg of barium sulfate and 1kg of pigment, and stirring for 20-30 min;

and thirdly, increasing the rotating speed to 800r/min, adding 0.6kg of BYK-022 defoaming agent, stirring for 15-25 min, and filtering and packaging.

The preparation method of the component B of the water-based epoxy floor finish comprises the following steps of:

step one, adding 12kg of water-based curing agent WG828 and 18kg of polyamide resin curing agent 651 into a dispersion mixer, starting stirring, adding 20kg of water when the rotating speed reaches 1000r/min, and stirring for 15-30 min;

secondly, reducing the rotating speed to 600r/min, adding 0.4kg of SN-5029 dispersing agent, 10kg of quartz sand, 25kg of barium sulfate, 5kg of talcum powder, 4kg of sericite and 5kg of pigment, and stirring for 30-45 min;

and thirdly, increasing the rotating speed to 800r/min, adding 0.6kg of BYK-022 defoaming agent, stirring for 25-40 min, and filtering and packaging.

Mixing the component A and the component B of the water-based epoxy seal primer according to the proportion of 1: and 4, mixing, adding into a stirrer, stirring for 10-20 min, standing for 5min for defoaming to obtain the water-based epoxy seal primer, wherein the primer is cured only for 11h after coating at normal temperature, the curing is rapid, and the surface of the cured paint layer is flat and smooth and has strong adhesion.

Mixing the component A and the component B of the water-based epoxy sealing intermediate paint according to the proportion of 1: 6, adding the mixture into a stirrer after mixing for 15-30 min, standing for 5min for defoaming to obtain the water-based epoxy sealing intermediate paint, wherein the intermediate paint is cured only for 11h after coating at normal temperature, the curing is rapid, the surface of the cured paint layer is smooth, the hardness is high, the wear resistance is good, and the service life of the whole paint layer can be prolonged.

The component A and the component B of the waterborne epoxy floor finish paint are mixed according to the proportion of 1: 7, stirring for 30-45 min, standing for 7min for defoaming to obtain the water-based epoxy floor finish paint, wherein the finish paint is cured only in 11h after being coated at normal temperature, the curing is rapid, and the surface of the cured paint layer has the characteristics of smoothness, flatness, good durability, good physical and chemical properties and the like, so that the whole paint layer is very durable and has long service life.

In the description of the present invention, it is to be understood that the terms "coaxial," "bottom," "end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two-end," and the like are used in an orientation that is indicated solely for the convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must be oriented, constructed or operated in a particular orientation, and therefore should not be considered as limiting.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.