阅读说明：本技术 一种高强度瓷砖胶黏剂的制备方法 (Preparation method of high-strength tile adhesive ) 是由 马发林 于 2019-11-04 设计创作，主要内容包括：本发明公开了一种高强度瓷砖胶黏剂的制备方法,涉及胶黏剂生产相关技术领域,包括步骤A：备料；步骤B：混料；步骤C：反应；步骤D：完成。其中,搅拌装置包括搅拌罐,搅拌罐的上方固定安装有承托板,承托板的下表面两侧对称固定连接有定位轴承,两个定位轴承的中部固定连接有搅拌罐,搅拌罐的一侧固定连接有支撑板,支撑板远离搅拌罐的一侧固定安装有第一电机,第一电机靠近支撑板的一侧固定连接有主动轮,主动轮的外表面贴合连接有同步带。本发明胶黏剂与市场其他产品相比,生产成本更低,实用性更强,粘结强度更高,通过在混合配料搅拌均匀制成胶黏剂后,加入尿素,减少游离甲醛含量,使产品更环保,使用更安全。(The invention discloses a preparation method of a high-strength tile adhesive, which relates to the technical field related to adhesive production and comprises the following steps: preparing materials; and B: mixing materials; and C: carrying out reaction; step D: and (4) finishing. Wherein, agitating unit includes the agitator tank, and the top fixed mounting of agitator tank has the bearing board, and the lower surface bilateral symmetry fixedly connected with location bearing of bearing board, the middle part fixedly connected with agitator tank of two location bearings, one side fixedly connected with backup pad of agitator tank, one side fixed mounting that the agitator tank was kept away from to the backup pad have first motor, and one side fixedly connected with action wheel that first motor is close to the backup pad, and the surface laminating of action wheel is connected with the hold-in range. Compared with other products in the market, the adhesive disclosed by the invention is lower in production cost, higher in practicability and higher in bonding strength, and urea is added after the adhesive is prepared by uniformly mixing and stirring the ingredients, so that the content of free formaldehyde is reduced, the product is more environment-friendly, and the use is safer.)

1. The preparation method of the high-strength tile adhesive is characterized by comprising the following steps:

a: preparing materials, namely preparing 60-70% of polyvinyl alcohol, 8-25% of formaldehyde, 3-6% of polyacrylamide, 6-10% of acrylic resin, 5-14% of sodium hydroxide, 5-8% of urea and the balance of water according to mass percentage;

b: mixing materials, namely pouring polyvinyl alcohol into a stirring device, adding proper water, dissolving the polyvinyl alcohol by stirring, adding sodium hydroxide to adjust the pH value to 8 after adding formaldehyde, and then adding polyacrylamide and acrylic resin;

c: reacting, namely adding urea into a stirring device after the mixed materials are uniformly stirred by the stirring device, continuously stirring, and reducing the content of free formaldehyde in the mixed materials by the urea;

d: after the preparation is finished, naturally cooling the prepared adhesive to room temperature, and discharging and collecting the adhesive from the stirring device;

wherein, agitating unit includes agitator tank (1), the top fixed mounting of agitator tank (1) has bearing board (2), the lower surface bilateral symmetry fixedly connected with location bearing (3) of bearing board (2), two middle part fixedly connected with agitator tank (1) of location bearing (3), one side fixedly connected with backup pad (9) of agitator tank (1), one side fixed mounting that agitator tank (1) was kept away from in backup pad (9) has first motor (4), one side fixedly connected with action wheel (5) that first motor (4) are close to backup pad (9), the surface laminating of action wheel (5) is connected with hold-in range (6), the top internal surface laminating of hold-in range (6) is connected with from driving wheel (7), from one side fixedly connected with connecting axle (8) of driving wheel (7), the one end of connecting axle (8) run through the top of backup pad (9) and with one side of agitator tank (1) The middle parts are fixedly connected;

the other side of the stirring tank (1) is fixedly connected with a second motor (10), and one side of the second motor (10) is fixedly connected with a stirring shaft (11);

one end of the stirring shaft (11) far away from the second motor (10) runs through the middle part of the other side of the stirring tank (1), and the stirring shaft (11) is located at one end in the stirring tank (1) and is circumferentially and fixedly connected with a plurality of stirring blades (12).

2. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

in the step B, the dissolving temperature of the polyvinyl alcohol is 75-85 ℃.

3. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

and in the step B, after adding formaldehyde, reacting for 1h in a stirring device at the temperature of 72-75 ℃.

4. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

and in the step B, before adding the polyacrylamide and the acrylic resin, reducing the temperature of the mixture to 40-45 ℃, adding the polyacrylamide and the acrylic resin, and reacting for 40min in a stirring device at the temperature of 40-45 ℃.

5. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

the middle part of the stirring tank (1) is fixedly connected with the inner rings of the two positioning bearings (3) respectively, and the two positioning bearings (3) are parallel to each other.

6. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

the stirring tank (1) is horizontally arranged, and the connecting shaft (8) and the stirring shaft (11) are positioned on the same horizontal plane.

7. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

the driving wheel (5) and the driven wheel (7) correspond to each other, and the first motor (4) and the second motor (10) are servo motors.

8. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

one end middle part fixedly connected with sealing member (13) that agitator tank (1) is close to second motor (10), seal member (13) are run through and are located the inside of agitator tank (1) to the one end that second motor (10) were kept away from in (mixing) shaft (11).

9. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

the middle part of the upper surface of the stirring tank (1) is fixedly provided with a sealing plate, and the bottom of the stirring tank (1) is fixedly connected with a valve.

10. The preparation method of the high-strength tile adhesive according to claim 1, wherein the preparation method comprises the following steps:

the stirring shaft (11) is located a plurality of stirring leaves (12) of fixedly connected with in the one end week of agitator tank (1), and a plurality of stirring leaves (12) are equidistant distribution, agitator tank (1) and (mixing) shaft (11) direction of rotation are opposite.

Technical Field

The invention relates to the technical field related to adhesive production, in particular to a preparation method of a high-strength tile adhesive.

Background

The viscose is also called adhesive, which is a non-metal medium material that makes an object and another object tightly connected into a whole, the red viscose of the prior art is generally higher in production cost, expensive in product price and poor in practical performance, the bonding strength of some viscose is not high, when the viscose is used, the use performance is not only unstable, but also the environment is polluted by the ubiquitous viscose, and the environmental protection capability is weak.

In addition, the existing adhesive for bonding ceramic tiles needs to consume a large amount of materials to meet the requirement of bonding stability in order to ensure the bonding stability, is high in cost, cannot ensure the uniformity of the adhesive due to more adding materials in the production process, is uneven in reaction, and can influence the production quality of products more easily.

Therefore, it is necessary to provide a method for preparing a high strength tile adhesive to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a preparation method of a high-strength tile adhesive, and solves the problems of high production cost, low bonding strength, unstable service performance and non-uniform reaction in producing the adhesive in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a preparation method of the high-strength tile adhesive comprises the following steps:

a: preparing materials, namely preparing 60-70% of polyvinyl alcohol, 8-25% of formaldehyde, 3-6% of polyacrylamide, 6-10% of acrylic resin, 5-14% of sodium hydroxide, 5-8% of urea and the balance of water according to mass percentage;

b: mixing materials, namely pouring polyvinyl alcohol into a stirring device, adding proper water, dissolving the polyvinyl alcohol by stirring, adding sodium hydroxide to adjust the pH value to 8 after adding formaldehyde, and then adding polyacrylamide and acrylic resin;

c: reacting, namely adding urea into a stirring device after the mixed materials are uniformly stirred by the stirring device, continuously stirring, and reducing the content of free formaldehyde in the mixed materials by the urea;

d: after the preparation is finished, naturally cooling the prepared adhesive to room temperature, and discharging and collecting the adhesive from the stirring device;

the stirring device comprises a stirring tank, a bearing plate is fixedly mounted above the stirring tank, positioning bearings are symmetrically and fixedly connected to two sides of the lower surface of the bearing plate, the middle parts of the two positioning bearings are fixedly connected with the stirring tank, a supporting plate is fixedly connected to one side of the stirring tank, a first motor is fixedly mounted on one side, away from the stirring tank, of the supporting plate, a driving wheel is fixedly connected to one side, close to the supporting plate, of the first motor, a synchronous belt is connected to the outer surface of the driving wheel in an attaching mode, a driven wheel is connected to the inner surface of the top of the synchronous belt in an attaching mode, a connecting shaft is fixedly connected to one side of the driven wheel, and one end of the connecting shaft;

the other side of the stirring tank is fixedly connected with a second motor, and one side of the second motor is fixedly connected with a stirring shaft;

the one end that the second motor was kept away from to the (mixing) shaft runs through the opposite side middle part of agitator tank, the one end circumference fixedly connected with a plurality of stirring leaves that the (mixing) shaft is located the agitator tank.

Preferably, in the step B, the dissolution temperature of the polyvinyl alcohol is 75-85 ℃.

Preferably, in the step B, after the formaldehyde is added, the reaction is carried out for 1h in a stirring device at the temperature of 72-75 ℃.

Preferably, in the step B, before adding the polyacrylamide and the acrylic resin, the temperature of the mixture is reduced to 40-45 ℃, and after adding the polyacrylamide and the acrylic resin, the mixture reacts for 40min in a stirring device with the temperature of 40-45 ℃.

Preferably, the middle part of the stirring tank is fixedly connected with the inner rings of the two positioning bearings respectively, and the two positioning bearings are parallel to each other.

Preferably, the stirring tank is horizontally arranged, and the connecting shaft and the stirring shaft are positioned on the same horizontal plane.

Preferably, the driving wheel corresponds to the driven wheel, and the first motor and the second motor are servo motors.

Preferably, the agitator tank is close to the one end middle part fixedly connected with sealing member of second motor, the one end that the second motor was kept away from to the (mixing) shaft runs through the sealing member and is located the inside of agitator tank.

Preferably, a sealing plate is fixedly mounted in the middle of the upper surface of the stirring tank, and a valve is fixedly connected to the bottom of the stirring tank.

Preferably, the one end circumference that the (mixing) shaft is located the agitator tank is a plurality of stirring leaves of fixedly connected with, and a plurality of stirring leaves are equidistant distribution, the agitator tank rotates opposite direction with the (mixing) shaft.

(III) advantageous effects

The invention provides a preparation method of a high-strength tile adhesive, which has the following beneficial effects:

(1) compared with other products in the market, the adhesive disclosed by the invention is lower in production cost, higher in practicability and higher in bonding strength, and urea is added after the adhesive is prepared by uniformly mixing and stirring the ingredients, so that the content of free formaldehyde is reduced, the product is more environment-friendly, and the use is safer.

(2) In the stirring device, the stirring tank can be stably supported by the two positioning bearings, the stirring tank can be flexibly rotated by the inner rings of the two positioning bearings, the stirring tank can be driven to rotate by the first motor, and the stirring tank can be driven to synchronously rotate in the opposite direction by the second motor, so that the uniform reaction effect on the adhesive in the stirring tank is improved, and the production quality of the adhesive is higher.

Drawings

FIG. 1 is a schematic elevation view of the configuration of a stirred tank according to the invention;

FIG. 2 is a schematic view of the construction of a stirring tank of the present invention;

FIG. 3 is a schematic front sectional view of the agitator tank configuration of the present invention;

FIG. 4 is a schematic side sectional view of a configuration of a stirred tank according to the invention.

In the figure: 1. a stirring tank; 2. a support plate; 3. positioning the bearing; 4. a first motor; 5. a driving wheel; 6. a synchronous belt; 7. a driven wheel; 8. a connecting shaft; 9. a support plate; 10. a second motor; 11. a stirring shaft; 12. stirring blades; 13. a seal member; 14. and (4) auxiliary leaves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.