Boiling-water-resistant high-molecular formaldehyde-free adhesive
By using a jacketed cooling and crushing component in the formaldehyde-free adhesive mixing device, the problem of heat accumulation during adhesive preparation was solved, temperature control and bubble crushing were achieved, and the performance stability and bonding effect of the adhesive were improved.
Patent Information
- Application Number
- CN202423241973.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Formaldehyde-free adhesives may experience excessive heat buildup during preparation, leading to overly vigorous reactions, undesirable byproducts, unstable performance, or even loss of control.
The device uses a boiling water-resistant, formaldehyde-free polymer adhesive mixing unit, which includes a jacketed cooling component and a crushing component. The jacket is cooled by exchanging heat with the water tank through a circulating pump. The combination of the rotating frame and crushing teeth breaks up air bubbles, avoiding heat accumulation and the influence of air bubbles.
Effective control of adhesive reaction temperature avoids the generation of undesirable byproducts and improves bonding performance and stability.
Smart Images
Figure CN223732679U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of adhesive, especially to a boiling water resistant high molecular formaldehyde-free adhesive. BACKGROUND
[0002] The formaldehyde-free adhesive refers to the adhesive without formaldehyde or with very low free formaldehyde content.
[0003] The formaldehyde-free adhesive is usually a complex system composed of multiple raw materials, including polymer emulsion, tackifier, crosslinking agent, filler, etc. SUMMARY
[0004] In view of the defects of the prior art, the utility model provides a boiling water resistant high molecular formaldehyde-free adhesive, which overcomes the defects of the prior art and aims to solve the problems in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: A kind of boiling water resistant high molecular formaldehyde-free adhesive, including boiling water resistant high molecular formaldehyde-free adhesive and be used for manufacturing boiling water resistant high molecular formaldehyde-free adhesive stirring device, the stirring device includes jar body, high molecular formaldehyde-free adhesive is added in the inside of the jar body, hinged cover is hinged on the upper surface of the jar body, the outer wall of the cover is communicated with feed inlet, the outer wall middle part of the cover is provided with broken assembly, the outer wall of the jar body is provided with cooling assembly, the cooling assembly includes jacket, the jacket is fixedly connected in the outer wall of jar body, the bottom of the jacket is fixedly connected with multiple support columns, the boiling water resistant high molecular formaldehyde-free adhesive is composed of polymer emulsion, water-soluble high molecular polymer, tackifier, crosslinking agent and polycyclic compound, the inner wall of multiple support columns is fixedly connected with fixed plate, the lower surface of the fixed plate is fixedly connected with water tank, the outer wall both sides of the water tank are respectively communicated with water inlet pipe two and water outlet pipe two, the outer wall both sides of the jacket are respectively communicated with water inlet pipe one and water outlet pipe one, the side wall of the fixed plate is fixedly connected with support plate, the outer wall of the support plate is fixedly connected with circulating pump, the water outlet of the circulating pump is communicated with water inlet pipe one of jacket outer wall, water outlet pipe one of the outer wall of the jacket is communicated with water inlet pipe two of the outer wall of water tank, water outlet pipe two of the outer wall of the water tank is communicated with the water inlet of circulating pump, the bottom of the jar body and jacket is funnel-shaped, the jar body bottom is communicated with discharge pipe, one end of the discharge pipe penetrates the jacket, control valve is installed on the outer wall of the discharge pipe;
[0006] The boiling water resistant high molecular formaldehyde-free adhesive described in the utility model, the polymer emulsion is specifically vinyl acetate-ethylene copolymer emulsion, the water-soluble high molecular polymer is specifically polyvinyl alcohol, the tackifier is specifically terpene resin, the crosslinking agent is specifically isocyanate crosslinking agent and polycyclic compound synthetic inorganic flocculants, and the materials are stirred and mixed by the stirring device, the jar body of the stirring device is the main part, the high molecular formaldehyde-free adhesive is contained in the jar body, the jacket is installed on the outer wall of the jar body, when the temperature of the jar body is increased, the jacket is used for cooling the jar body, the cooling medium is loaded into the jacket from the water inlet pipe one, the circulating pump is started, the medium in the water tank is extracted from the water outlet pipe two to the water outlet end of the circulating pump, the medium in the water outlet end of the circulating pump is introduced into the jacket through the water inlet pipe one by the external pipe, the medium in the jacket is introduced into the water inlet pipe two of the water tank after absorbing certain heat to exchange heat, and the medium after heat exchange is introduced into the water inlet end of the circulating pump from the water outlet pipe two of the water tank to complete circulation, so as to cool the jar body.
[0007] As a preferred technical scheme of the utility model, the crushing assembly comprises a support seat, the support seat is fixedly connected to the middle part of the outer wall of the tank cover, a motor is fixedly connected to the upper surface of the support seat, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the tank cover and extends into the inside of the tank body, the outer wall of the rotating shaft is fixedly connected with stirring blades and a rotating frame respectively, and a plurality of crushing teeth are arranged on the outer wall of the rotating frame.
[0008] When the motor rotates to drive the rotating shaft and the stirring blades to stir the formaldehyde-free adhesive in the tank body, bubbles are generated, the rotating frame is installed on the outer wall of the rotating shaft, when the rotating frame rotates, a strong centrifugal force is generated, the bubbles are affected by the centrifugal force in the rotating frame, because the density of the gas in the bubbles and the surrounding adhesive is quite different, the forces they bear are different in the centrifugal field, the density of the gas is small, the centrifugal force is relatively small, while the density of the liquid is large, the centrifugal force is relatively large, the force difference will make the bubbles be stretched in the direction of the centrifugal force, with the stretching of the bubbles, the bubble wall will gradually become thin, when the stretching degree exceeds the limit that the bubble wall can bear, the bubbles will be broken, and the crushing teeth on the outer wall of the rotating frame further improve the efficiency of the bubble breaking.
[0009] The utility model discloses the beneficial effects: through setting up cooling assembly on the outer wall of the tank body, the adhesive in the tank body is uniformly cooled, avoids the heat continuous accumulation because of chemical reaction during the mixing of adhesive, leads to the reaction possibly to be too violent, produces the bad by -product or makes the adhesive performance unstable, even out of control.
[0010] The utility model discloses the beneficial effects: through setting up cooling assembly on the outer wall of the tank body, the adhesive in the tank body is uniformly cooled, avoids the heat continuous accumulation because of chemical reaction during the mixing of adhesive, leads to the reaction possibly to be too violent, produces the bad by -product or makes the adhesive performance unstable, even out of control. DRAWINGS
[0011] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0012] Figure 2 It is the crushing assembly local structure schematic diagram of the utility model;
[0013] Figure 3 It is the jacket installation structure schematic diagram of the utility model;
[0014] Figure 4 It is the crushing assembly enlarged structure schematic diagram of the utility model.
[0015] In the drawing: 1, tank body;2, tank cover;3, feed inlet;4, motor;5, support seat;6, rotating shaft;7, rotating frame;8, crushing tooth;9, water inlet pipe one;10, jacket;11, water outlet pipe one;12, support column;13, fixed plate;14, water tank;15, water inlet pipe two;16, circulating pump. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0017] Embodiment one
[0018] Please refer to Figure 1 and Figure 3 A boiling water resistant high polymer formaldehyde-free adhesive comprises a boiling water resistant high polymer formaldehyde-free adhesive and a stirring device for manufacturing the boiling water resistant high polymer formaldehyde-free adhesive. The stirring device comprises a tank body 1, the inside of the tank body 1 is added with the high polymer formaldehyde-free adhesive, a tank cover 2 is hingedly connected to the upper surface of the tank body 1, a feeding port 3 is communicated with the outer wall of the tank cover 2, a crushing assembly is arranged in the middle of the outer wall of the tank cover 2, a cooling assembly is arranged on the outer wall of the tank body 1, the cooling assembly comprises a jacket 10, the jacket 10 is fixedly connected to the outer wall of the tank body 1, a plurality of supporting columns 12 are fixedly connected to the bottom of the jacket 10, the boiling water resistant high polymer formaldehyde-free adhesive is composed of a polymer emulsion, a water-soluble high polymer, a tackifier, a crosslinking agent and a polycyclic compound, a fixed plate 13 is fixedly connected to the inner wall of the supporting column 12, a water tank 14 is fixedly connected to the lower surface of the fixed plate 13, a water inlet pipe two 15 and a water outlet pipe two are respectively communicated with the outer wall of the water tank 14, a water inlet pipe one 9 and a water outlet pipe one 11 are respectively communicated with the outer wall of the jacket 10, a supporting plate is fixedly connected to the side wall of the fixed plate 13, a circulating pump 16 is fixedly connected to the outer wall of the supporting plate, the water outlet of the circulating pump 16 is communicated with the water inlet pipe one 9 of the outer wall of the jacket 10, the water outlet pipe one 11 of the outer wall of the jacket 10 is communicated with the water inlet pipe two 15 of the outer wall of the water tank 14, the water outlet pipe two of the outer wall of the water tank 14 is communicated with the water inlet of the circulating pump 16, the bottom of the tank body 1 and the bottom of the jacket 10 are funnel-shaped, a discharging pipe is communicated with the bottom of the tank body 1, one end of the discharging pipe penetrates through the jacket 10, and a control valve is mounted on the outer wall of the discharging pipe.
[0019] The utility model discloses a kind of boiling water-resistant high-molecular formaldehyde-free adhesive, its polymer emulsion is specifically vinyl acetate-ethylene copolymer emulsion, water-soluble high-molecular polymer is specifically polyvinyl alcohol, tackifier is specifically terpene resin, crosslinking agent is specifically isocyanate crosslinking agent and polycyclic compound synthetic inorganic flocculants are collectively composed, by stirring device each material is stirred and mixed, the tank body 1 of stirring device is main part, tank body 1 is equipped with high-molecular formaldehyde-free adhesive inside, tank body 1 outer wall is equipped with jacket 10, when tank body 1 temperature rises, jacket 10 is used to cool tank body 1, cooling medium is loaded from the water inlet pipe one 9 of jacket 10 into inside, start circulating pump 16, the medium in water tank 14 is extracted from the water outlet pipe two place to the water outlet end of circulating pump 16 by the water inlet end of circulating pump 16, the medium of the water outlet end of circulating pump 16 is introduced into jacket 10 by external pipe fitting with water inlet pipe one 9, the medium in jacket 10 is heated after absorbing certain heat and enters the water inlet pipe two 15 of water tank 14 by water outlet pipe one 11 to carry out heat exchange, the medium after heat exchange enters the water inlet end of circulating pump 16 from the water outlet pipe two of water tank 14 to complete circulation, to uniformly cool tank body 1 in this way.
[0020] Please refer to Figure 1 、 Figure 2 and Figure 4 In the embodiment, the crushing assembly includes a support seat 5 fixedly connected to the middle portion of the outer wall of the tank cover 2, the upper surface of the support seat 5 is fixedly connected with a motor 4, the output end of the motor 4 is fixedly connected with a rotating shaft 6, the rotating shaft 6 penetrates through the tank cover 2 and extends into the inside of the tank body 1, the outer wall of the rotating shaft 6 is fixedly connected with stirring blades and a rotating frame 7, respectively, and a plurality of crushing teeth 8 are formed in the outer wall of the rotating frame 7.
[0021] When the motor 4 rotates to drive the rotating shaft 6 and the stirring blades to stir the formaldehyde-free adhesive in the tank body 1, bubbles will be generated, the rotating frame 7 is installed on the outer wall of the rotating shaft 6, when the rotating frame 7 rotates, a strong centrifugal force will be generated, the bubbles are affected by the centrifugal force in the rotating frame 7, because the density of the gas in the bubbles and the surrounding adhesive is quite different, the forces they bear are different in the centrifugal field, the density of the gas is small, and the centrifugal force it bears is relatively small, while the density of the liquid is large, and the centrifugal force it bears is relatively large, the force difference will make the bubbles be stretched in the direction of the centrifugal force, as the bubbles are stretched, the bubble wall will gradually thin, when the stretching degree exceeds the limit that the bubble wall can bear, the bubbles will break, and the crushing teeth 8 on the outer wall of the rotating frame 7 further improve the efficiency of bubble breaking.
[0022] Working principle: when the temperature of the tank 1 is raised, the jacket 10 is used for cooling the tank 1, the cooling medium is loaded from the water inlet pipe one 9 of the jacket 10 to the inside, the circulating pump 16 is started, the water inlet end of the circulating pump 16 draws the medium in the water tank 14 from the water outlet pipe two to the water outlet end of the circulating pump 16, the medium of the water outlet end of the circulating pump 16 is introduced into the jacket 10 through the external pipe fitting and is matched with the water inlet pipe one 9, the medium in the jacket 10 is introduced into the water inlet pipe two 15 of the water tank 14 after absorbing a certain amount of heat through the water outlet pipe one 11, the medium after heat exchange is introduced into the water inlet end of the circulating pump 16 from the water outlet pipe two of the water tank 14 to complete the circulation, so as to uniformly cool the tank 1, when the motor 4 rotates to drive the rotating shaft 6 and the stirring blade to stir the formaldehyde-free adhesive in the tank 1, bubbles will be generated, the rotating frame 7 is installed on the outer wall of the rotating shaft 6, when the rotating frame 7 rotates, a strong centrifugal force will be generated, the bubbles in the rotating frame 7 are stretched and broken under the action of the centrifugal force, so that the bubbles in the adhesive are avoided to affect the overall effect of the adhesive.
[0023] The above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or replace some of the technical features with equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A boiling water resistant polymer formaldehyde-free adhesive comprising a boiling water resistant polymer formaldehyde-free adhesive and a stirring device for manufacturing the boiling water resistant polymer formaldehyde-free adhesive, the stirring device comprising a tank body (1), characterized in that, The inside of the tank body (1) is added with high molecular formaldehyde-free adhesive, the upper surface of the tank body (1) is hinged with a tank cover (2), the outer wall of the tank cover (2) is communicated with a feeding port (3), the middle part of the outer wall of the tank cover (2) is provided with a crushing assembly, and the outer wall of the tank body (1) is provided with a cooling assembly. The cooling assembly comprises a jacket (10) fixedly connected to the outer wall of the tank body (1), a plurality of support columns (12) fixedly connected to the inner wall of the plurality of support columns (12), a fixed plate (13) fixedly connected to the inner wall of the plurality of support columns (12), a water tank (14) fixedly connected to the lower surface of the fixed plate (13), a water inlet pipe two (15) and a water outlet pipe two communicated with the outer wall of the water tank (14) on both sides, a water inlet pipe one (9) and a water outlet pipe one (11) communicated with the outer wall of the jacket (10) on both sides, a support plate fixedly connected to the side wall of the fixed plate (13), a circulating pump (16) fixedly connected to the outer wall of the support plate, and the water outlet of the circulating pump (16) is communicated with the water inlet pipe one (9) of the outer wall of the jacket (10), the water outlet pipe one (11) of the outer wall of the jacket (10) is communicated with the water inlet pipe two (15) of the outer wall of the water tank (14), and the water outlet pipe two of the outer wall of the water tank (14) is communicated with the water inlet of the circulating pump (16).
2. The boiling water resistant polymer formaldehyde-free adhesive according to claim 1, characterized in that, The crushing assembly comprises a support seat (5) fixedly connected to the middle part of the outer wall of the tank cover (2), a motor (4) fixedly connected to the upper surface of the support seat (5), an output end of the motor (4) fixedly connected with a rotating shaft (6), the rotating shaft (6) penetrating through the tank cover (2) and extending into the inside of the tank body (1), the outer wall of the rotating shaft (6) being fixedly connected with a stirring blade and a rotating frame (7), and the outer wall of the rotating frame (7) being provided with a plurality of crushing teeth (8).
3. The boiling water resistant polymer adhesive according to claim 1, wherein The bottom of the tank body (1) and the jacket (10) are funnel-shaped.
4. The boiling water resistant polymer adhesive according to claim 1, wherein The bottom of the tank body (1) is communicated with a discharging pipe, one end of the discharging pipe penetrating through the jacket (10).
5. The boiling water resistant polymer adhesive according to claim 4, wherein A control valve is mounted on the outer wall of the discharging pipe.