阅读说明：本技术 一种无溶剂快速涂装地坪材料及其制备方法 (Solvent-free quick coating floor material and preparation method thereof ) 是由 虞晟阳 马辉 彭洪均 李严 于 2021-01-12 设计创作，主要内容包括：本发明涉及树脂类地坪涂料领域,提供了一种无溶剂快速涂装地坪材料,包括：25-30重量份的氨基树脂,15-20重量份的石英,3-5重量份的颜料,5-8重量份的滑石粉,5-10重量份的功能性添加剂,35-40重量份的固化剂。本发明制备的无溶剂快速涂装地坪材料是一种可快速固化成膜,快速投入使用的树脂类地坪涂料产品,其不仅具备快速固化的特性,而且抗压,耐冲击等物理性能明显优于传统环氧地坪涂料产品。(The invention relates to the field of resin terrace paint, and provides a solvent-free rapid coating terrace material, which comprises the following components: 25-30 parts of amino resin, 15-20 parts of quartz, 3-5 parts of pigment, 5-8 parts of talcum powder, 5-10 parts of functional additive and 35-40 parts of curing agent. The solvent-free quick coating floor material prepared by the invention is a resin floor coating product which can be quickly cured to form a film and quickly put into use, and not only has the characteristic of quick curing, but also has physical properties such as compression resistance, impact resistance and the like which are obviously superior to those of the traditional epoxy floor coating product.)

1. The solvent-free quick coating terrace material is characterized by comprising the following components in parts by weight:

2. the solvent-free rapid coating terrace material according to claim 1, which comprises the following components in parts by weight:

3. the solvent-free rapid coating terrace material of claim 1, wherein the amino resin is one or more of NH1420, NH2885 and NH 2886.

4. The solvent-free rapid-coating floor material as claimed in claim 1, wherein the quartz is Sibirec 604 quartz.

5. The solvent-free rapid coating floor material as claimed in claim 1, wherein the pigment is one or more of titanium dioxide, phthalocyanine green, carbon black, fast yellow, 254 red.

6. The solvent-free rapid-coating terrace material according to claim 1, wherein the talc is 425 mesh.

7. The solvent-free rapid coating floor material of claim 1, wherein the functional additive is one or more of a defoaming agent, a leveling agent and a dispersing agent.

8. The solvent-free rapid coating floor material of claim 1, wherein the curing agent is one or more of Desmodur XP 2890, N3900 and HT-75B.

9. The preparation method of the solvent-free rapid coating terrace material according to any one of claims 1 to 8, characterized by comprising the following steps:

1) weighing the raw materials according to the formula proportion;

2) placing amino resin and functional additive into a high-speed dispersion machine, adding while stirring, wherein the rotating speed is 300-;

3) sequentially adding quartz, pigment and talcum powder into a high-speed dispersion machine, stirring while adding, after the quartz, pigment and talcum powder are completely immersed in the liquid surface, adjusting the rotating speed to 800-;

4) grinding the mixture obtained in the step 3) by using a horizontal sand mill until the fineness is less than or equal to 60 mu m;

5) preparing the mixture treated in the step 4) into a component A, wherein a curing agent is a component B;

6) and (3) mixing the component A and the component B according to the mass ratio of 3:2, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

10. The method for preparing the solvent-free rapid coating terrace material according to the claim 9, wherein the temperature of the steps 1) to 6) is controlled to be 15 ℃ to 50 ℃.

Technical Field

The invention relates to the field of resin floor coatings, in particular to a solvent-free quick coating floor material and a preparation method thereof.

Background

The terrace is a general name of various grounds, and means that the ground finally presents certain decorative effect and special function by combining certain specific tools and materials with corresponding construction technology, such as epoxy self-leveling terrace, carborundum wear-resistant terrace, super-leveling terrace, epoxy terrazzo terrace, epoxy colored sand terrace, epoxy anti-static terrace, epoxy anti-slip terrace, polyurea anti-corrosion terrace, garage ramp terrace, polyurethane terrace, sports court PU terrace, concrete sealing curing agent and the like, and the terrace has been widely applied to various fields in China for 10 years.

The resin floor coating is widely applied to floor coating by virtue of excellent physical properties and decorative effects, at present, an epoxy floor is mainly used, a plurality of process procedures from primer to intermediate paint and then to finish paint need to be completed in the coating process, the coating interval of each procedure is 12-24 hours, and the general construction period is 7-10 days.

The prior art has long coating construction period and can not adapt to the requirement of short construction period, and the coating is required to be finished quickly and put into use.

Therefore, it is desired to provide a resin-coated floor material which can be rapidly cured to form a film and rapidly put into use.

Disclosure of Invention

The invention aims to provide a resin coating terrace material which can be quickly cured to form a film and can be quickly put into use.

In view of the above, the first objective of the present invention is to provide a solvent-free rapid coating floor material.

The second purpose of the invention is to provide a preparation method of the solvent-free quick coating terrace material.

In order to achieve the purpose, the invention adopts the following technical scheme:

the solvent-free quick coating terrace material comprises the following components in parts by weight:

25-30 parts of amino resin, 15-20 parts of quartz, 3-5 parts of pigment, 5-8 parts of talcum powder, 5-10 parts of functional additive and 35-40 parts of curing agent.

Preferably, the amino resin is one or more of NH1420, NH2885 and NH 2886.

More preferably, the amino resin is NH 2885.

The beneficial effects of the above technical scheme are that: has proper viscosity, longer open time and fast curing reaction speed.

The film forming substance selected by the invention, namely the amino resin and the polyisocyanate are cured into a film through chemical reaction, the reaction mechanism of the film forming substance and the epoxy resin and the amine curing agent are completely different, and the reaction mechanism is not only the change brought by replacing the epoxy resin with the amino resin.

The reason that epoxy resin is selected for use to resin class terrace material majority among the prior art has two aspects: the epoxy resin system is mature in application and low in cost compared with the amino system used in the invention; and secondly, the fast curing system selected by the invention has short open period and is not easy to control in the using process.

The invention selects the amino resin, mainly makes full use of the characteristic of quick reaction and solidification of the amino resin, achieves the effect of quick solidification of the coating, and meets the strict requirement on the construction period in the coating engineering of the specific terrace. According to the invention, through a large number of formula tests, good balance is realized between a proper open period and rapid film forming, and effective measures are taken to prolong the open time during construction on the premise of not influencing rapid drying.

Preferably, the quartz is Sibirec 604 quartz.

The beneficial effects of the above technical scheme are that: the quartz has the characteristics of small oil absorption, easy dispersion, good wear resistance and the like, and can effectively improve the strength and the wear resistance of a paint film.

Preferably, the pigment is one or more of titanium dioxide, phthalocyanine green, carbon black, fast yellow and 254 red.

Further preferably, the titanium dioxide is Dupont R706.

The beneficial effects of the above technical scheme are that: the titanium dioxide is easy to disperse, has excellent covering power and weather resistance, and the prepared product has high coating rate and good color retention.

Preferably, the talc powder is 425 meshes.

The beneficial effects of the above technical scheme are that: the sheet structure of the talcum powder is beneficial to improving the compression resistance and the shear resistance of the paint film and improving the impact resistance of the paint film.

Preferably, the functional additive is one or more of a defoaming agent, a leveling agent and a dispersing agent.

The beneficial effects of the above technical scheme are that: through reasonable matching of the auxiliary agents, a good coating effect is obtained, the coating surface is smooth and flat, the color is uniform, and the defects of blooming, pinholes, bubbles, craters and the like are avoided.

Preferably, the antifoaming agent is one or more of BYK 066N (birk chemistry), Airex 900 (winning chemistry), BYK1799 (birk chemistry), and foamex (winning chemistry).

The beneficial effects of the above technical scheme are that: quick defoaming, no adverse effects such as shrinkage and fog shadow.

Preferably, the leveling agent is one or more of BYK320 (Bike chemical), BYK333 (Bike chemical), GLIDEB1484 (Yingchuang chemical) and BF6216 (Befibrate chemical).

The beneficial effects of the above technical scheme are that: excellent leveling effect, rapid leveling and no influence on interlayer adhesion.

Preferably, the dispersant is one or more of BYK108 (birk chemical), BD8346 (fibrate chemical), TEGO Dispers 655 (winning chemical).

The beneficial effects of the above technical scheme are that: the viscosity reduction effect is high, the stability of the component A prepared by the method is improved, the system viscosity is reduced, the fluidity of the material is improved, and a good leveling effect is obtained.

Preferably, the curing agent is one or more of Desmodur XP 2890 (Corsai chemical), N3900 (Corsai chemical), HT-75B (Vanhua chemical).

The beneficial effects of the above technical scheme are that: can obtain fast curing speed and has excellent paint film hardness and toughness.

The amounts of the above components are further preferably: 28 parts of amino resin, 20 parts of quartz, 5 parts of pigment, 5 parts of talcum powder, 8 parts of functional additive and 40 parts of curing agent.

The beneficial effects of the above technical scheme are that: the raw material proportion is obtained by a large amount of formula experimental tests, the proportion has proper viscosity, is easy to construct, has good coating surface effect and high drying speed, can be recoated or put into use after bearing load within 2 hours, and all performance indexes completely meet the requirements of GB/T22374-2008.

The invention also provides a preparation method of the solvent-free quick coating terrace material, which comprises the following steps:

1) weighing the raw materials according to the formula proportion;

2) placing amino resin and functional additive into a high-speed dispersion machine, adding while stirring, wherein the rotating speed is 300-;

3) then sequentially adding the quartz, the pigment and the talcum powder into a high-speed dispersion machine, stirring while adding, after the quartz, the pigment and the talcum powder are completely immersed in the liquid surface, adjusting the rotating speed to 800-;

4) grinding the mixture obtained in the step 3) by using a horizontal sand mill until the fineness is less than or equal to 60 mu m;

5) preparing the mixture treated in the step 4) into a component A, wherein a curing agent is a component B;

6) and (3) mixing the component A and the component B according to the mass ratio of 3:2, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

Preferably, the temperature of the steps 1) to 6) is controlled to be 15-50 ℃.

The beneficial effects of the above technical scheme are that: the component A material with the fineness less than or equal to 60 mu m is prepared by high-speed dispersion and grinding, the whole process has good operability, the good coating effect is ensured, and meanwhile, the energy consumption in the production process is reasonably controlled.

The invention adopts the adding sequence of the raw materials, is beneficial to the dispersion of the powder in the resin and is beneficial to the resin to effectively coat the powder.

The invention adopts low-speed stirring firstly, so that the splashing of liquid materials can be avoided under the condition of ensuring that the resin and the functional additive are fully mixed, and the high-speed stirring after the powder materials are added can ensure enough shearing force to promote the dispersion of powder material aggregates.

The fineness of the mixture is less than or equal to 60 mu m, so that the surface effect of the coating is smooth and flat, no obvious impurity is generated, the storage stability is facilitated, and the energy consumption is low.

In summary, the beneficial effects of the invention at least include:

1. the invention solves the problems of slow curing reaction and long construction period of the current mainstream resin terrace coating, and prepares a resin terrace coating product which can be quickly cured to form a film and can be quickly put into use.

2. The terrace coating product prepared by the invention not only has the characteristic of quick curing, but also has physical properties such as compression resistance, impact resistance and the like which are obviously superior to those of the traditional epoxy terrace coating product.

3. The product prepared by the invention has a large design space in the balance of hardness and elasticity, and the hardness and the elasticity of the product can be adjusted according to the use requirement.

4. The product is mainly applied to coating the ground surfaces of various large-scale venues, factory buildings, warehouses, parking lots and the like, and is particularly suitable for the renovation engineering of the ground surfaces.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 raw material types used in examples 1-5 were as follows:

amino resin: NH2885

Quartz: silico 604 quartz

Titanium dioxide: dupont R706

Talc powder: 425 meshes

Defoaming agent: BYK1799

Leveling agent: BYK320

Dispersing agent: BYK108

Curing agent: DesmodurXP 2890

Epoxy resin: NPEL128 of Kunshan south Asia

Example 1

(1) Weighing 25 g of amino resin, 17 g of quartz, 3 g of titanium dioxide, 8 g of talcum powder, 3 g of dispersing agent, 1 g of defoaming agent, 1 g of flatting agent and 35 g of curing agent. Placing amino resin, a dispersing agent, a defoaming agent and a leveling agent into a high-speed dispersion machine, stirring for the first time, adding the materials while stirring, wherein the rotating speed is 300r/min, the stirring time is 5min, the stirring temperature is 15 ℃, after the first stirring is finished, sequentially adding quartz, titanium dioxide and talcum powder into the high-speed dispersion machine, adding the materials while stirring, stirring for the second time after the quartz, the titanium dioxide and the talcum powder are completely immersed in the liquid level, wherein the stirring rotating speed is 800r/min, the stirring time is 30min, and the stirring temperature is 15 ℃, so as to obtain a mixed material;

(2) grinding the mixture obtained in the step (1) to a fineness of less than or equal to 60 mu m by using a horizontal sand mill to obtain a mixture A, taking the curing agent as a component B, mixing the component A and the component B according to a mass ratio of 3:2, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

Example 2

(1) 28 g of amino resin, 20 g of quartz, MA-1002 g of carbon black, 5 g of talcum powder, 3 g of dispersing agent, 1 g of defoaming agent, 1 g of flatting agent and 35 g of curing agent are weighed. Placing amino resin, a dispersing agent, a defoaming agent and a flatting agent into a high-speed dispersion machine, stirring for the first time, adding the amino resin, the dispersing agent, the defoaming agent and the flatting agent while stirring at the rotating speed of 400r/min for 8min at the stirring temperature of 30 ℃, after the first stirring is finished, sequentially adding quartz, carbon black MA-100 and talcum powder into the high-speed dispersion machine, stirring while adding the quartz, the carbon black MA-100 and the talcum powder, stirring for the second time after the quartz, the carbon black MA-100 and the talcum powder completely sink into the liquid level, wherein the stirring rotating speed is 1000r/min, the stirring time is 50min, and the stirring temperature is 30 ℃;

(2) grinding the mixture obtained in the step (1) to a fineness of less than or equal to 60 mu m by using a horizontal sand mill to obtain a mixture A, taking the curing agent as a component B, mixing the component A and the component B according to a mass ratio of 3:2, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

Example 3

(1) 30 g of amino resin, 20 g of quartz, 5 g of phthalocyanine green, 5 g of talcum powder, 4 g of dispersing agent, 2 g of defoaming agent, 2 g of flatting agent and 35 g of curing agent are weighed. Placing amino resin, a dispersing agent, a defoaming agent and a leveling agent into a high-speed dispersion machine, stirring for the first time, adding the materials while stirring at the rotating speed of 500r/min for 10min and at the stirring temperature of 50 ℃, after the first stirring is finished, sequentially adding quartz, phthalocyanine green and talcum powder into the high-speed dispersion machine, stirring while stirring, and stirring for the second time after the quartz, the phthalocyanine green and the talcum powder are completely immersed in the liquid level, wherein the stirring rotating speed is 1200r/min, the stirring time is 60min, and the stirring temperature is 50 ℃ to obtain a mixed material;

(2) grinding the mixture obtained in the step (1) to a fineness of less than or equal to 60 mu m by using a horizontal sand mill to obtain a mixture A, taking the curing agent as a component B, mixing the component A and the component B according to a mass ratio of 3:2, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

Example 4

(1) 28 g of amino resin, 20 g of quartz, 5 g of fast yellow, 5 g of talcum powder, 4 g of dispersing agent, 2 g of defoaming agent, 2 g of flatting agent and 40 g of curing agent are weighed. Placing amino resin, a dispersing agent, a defoaming agent and a flatting agent into a high-speed dispersion machine, stirring for the first time, adding the materials while stirring, wherein the rotating speed is 300r/min, the stirring time is 5min, the stirring temperature is 30 ℃, after the first stirring is finished, sequentially adding quartz, sun-resistant yellow and talcum powder into the high-speed dispersion machine, stirring while stirring, and stirring for the second time after the quartz, the sun-resistant yellow and the talcum powder completely sink into the liquid surface, wherein the stirring rotating speed is 1200r/min, the stirring time is 60min, and the stirring temperature is 30 ℃ to obtain a mixed material;

(2) grinding the mixture obtained in the step (1) to a fineness of less than or equal to 60 mu m by using a horizontal sand mill to obtain a mixture A, taking the curing agent as a component B, mixing the component A and the component B according to a mass ratio of 3:2, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

Comparative example 1

(1) Weighing 35 g of epoxy resin, 28 g of quartz, 5 g of titanium dioxide, 3 g of talcum powder, 5 g of dispersing agent, 2 g of defoaming agent, 3 g of flatting agent and 20 g of curing agent. Placing epoxy resin, a dispersing agent, a defoaming agent and a leveling agent into a high-speed dispersion machine for first stirring, adding the epoxy resin, the dispersing agent, the defoaming agent and the leveling agent while stirring at the rotating speed of 300r/min for 5min and the stirring temperature of 25 ℃, sequentially adding quartz, titanium dioxide and talcum powder into the high-speed dispersion machine after the first stirring is finished, stirring while adding the quartz, the titanium dioxide and the talcum powder, and performing second stirring after the quartz, the titanium dioxide and the talcum powder completely sink into the liquid level, wherein the stirring rotating speed is 1200r/min, the stirring time is 60min and the stirring temperature is 25 ℃ to obtain a mixed material;

(2) grinding the mixture obtained in the step (1) to a fineness of less than or equal to 60 mu m by using a horizontal sand mill to obtain a mixture A, taking the curing agent as a component B, mixing the component A and the component B according to a mass ratio of 4:1, mechanically stirring for 30 seconds, and uniformly mixing to prepare the terrace material.

The material test properties are shown in table 1.

TABLE 1 table of Performance data for examples 1-4 and comparative example 1

The above description is a simple illustration of the invention, the application of the invention is not limited to the above examples, and it will be obvious to a person skilled in the art that modifications and variations can be made within the scope of the above description, and all such modifications and variations are intended to fall within the scope of the claims.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the scheme disclosed by the embodiment, the scheme corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles disclosed herein.