CN114950296A - Production process and preparation equipment of hydrolysis-resistant waterborne polyurethane adhesive for shoes - Google Patents
Production process and preparation equipment of hydrolysis-resistant waterborne polyurethane adhesive for shoes Download PDFInfo
- Publication number
- CN114950296A CN114950296A CN202210315393.XA CN202210315393A CN114950296A CN 114950296 A CN114950296 A CN 114950296A CN 202210315393 A CN202210315393 A CN 202210315393A CN 114950296 A CN114950296 A CN 114950296A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- gear
- reaction kettle
- hydrolysis
- polyurethane adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a production process and preparation equipment of a hydrolysis-resistant waterborne polyurethane adhesive for shoes, which comprises a reaction kettle, wherein an external water pipe is fixedly connected to the reaction kettle, and a switch valve is arranged on the external water pipe; the device also comprises a driving component, wherein the driving component is arranged on the reaction kettle; the spraying assembly is arranged on the reaction kettle and is connected with the driving assembly; scrape the subassembly, scrape the subassembly and set up in reation kettle and be connected with drive assembly, this shoes are with hydrolysising waterborne polyurethane adhesive preparation equipment relates to polyurethane adhesive technical field, sets up through drive assembly, spray set and the cooperation of scraping the subassembly, has solved original reation kettle and after the production hydrolysis waterborne polyurethane adhesive, the difficult problem of clearing up of remaining adhesive in the reation kettle.
Description
Technical Field
The invention relates to the technical field of polyurethane adhesives, in particular to a production process and preparation equipment of a hydrolysis-resistant waterborne polyurethane adhesive for shoes.
Background
Polyurethane (PU), which is a high molecular compound and is known as polyurethane in its entirety, is produced by otu bayer and the like in 1937, and there are two broad classes of polyurethanes, namely, polyester-type and polyether-type, which can be produced into polyurethane plastics (mainly foamed plastics), polyurethane fibers (china called spandex), polyurethane rubber and elastomers, while waterborne polyurethane adhesives are adhesives formed by dissolving or dispersing polyurethane in water, and waterborne polyurethanes are also known as waterborne polyurethanes or waterborne polyurethanes.
At present, various raw materials are sequentially put into a reaction kettle according to corresponding proportions when the waterborne polyurethane adhesive is produced, and finally the raw materials are mixed and stirred to produce the waterborne polyurethane adhesive which is collected after the production is finished, but after the waterborne polyurethane adhesive is collected, a certain amount of residues are left in the reaction kettle and attached to the bottom end or the inner wall, and particularly after the waterborne polyurethane adhesive is cooled for a period of time, the cleaning is more difficult, the workload of subsequent workers is increased, and therefore, a production process of the hydrolysis-resistant waterborne polyurethane adhesive for shoes and a preparation device thereof are provided.
Disclosure of Invention
The invention aims to provide a production process and preparation equipment of a hydrolysis-resistant waterborne polyurethane adhesive for shoes, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation device of a hydrolysis-resistant waterborne polyurethane adhesive for shoes comprises a reaction kettle, wherein an external water pipe is fixedly connected to the reaction kettle, and a switch valve is arranged on the external water pipe; the reaction kettle further comprises a driving assembly, and the driving assembly is arranged on the reaction kettle; the spraying assembly is arranged on the reaction kettle and is connected with the driving assembly; the scraping component is arranged in the reaction kettle and connected with the driving component, and the problem that residual adhesive in the reaction kettle is not easy to clean after the reaction kettle produces the hydrolysis-resistant waterborne polyurethane adhesive is solved.
Preferably, the drive assembly including set up in on the reation kettle and with reation kettle fixed connection's mount pad, fixedly connected with motor on the mount pad, the first pivot of output fixedly connected with of motor, fixedly connected with action wheel in the first pivot, and rotate be connected with reation kettle fixed connection's first fixed block, and keep away from the first gear of one end fixedly connected with of motor, first gear engagement is connected with reation kettle rotates the outer ring gear of connecting, outer ring gear is connected with heating mechanism, the action wheel transmission is connected with the belt, belt transmission is connected with from the driving wheel, is favorable to driving simultaneously spray assembly and scrapes the subassembly and function.
Preferably, heating mechanism include the multiunit set up in on the reation kettle and with reation kettle fixed connection's second fixed block, multiunit the second fixed block rotates and is connected with first reciprocal lead screw, on the first reciprocal lead screw fixedly connected with the second gear that outer ring gear meshing is connected, and threaded connection have with reation kettle sliding connection's heating ring is favorable to preventing the residue cooling solidification on the inner wall.
Preferably, the spray assembly include with the reciprocal lead screw of first gear fixed connection's the reciprocal lead screw of second, the reciprocal lead screw threaded connection of second has the rectangle cover, rectangle cover sliding connection has the base, fixedly connected with gasbag on the base, and fixedly connected with reation kettle fixed connection's supporting shoe, seted up the gas outlet on the gasbag, and fixedly connected with switch valve sliding connection's connecting block, be provided with one end on the supporting shoe with supporting shoe fixed connection's extension spring, the other end fixedly connected with of extension spring with switch valve sliding connection's sliding block supplies water in to reation kettle when being favorable to the cooperation to clear up the residue.
Preferably, the scraping component comprises a second rotating shaft which is rotatably connected with the reaction kettle and fixedly connected with the driven wheel, the second rotating shaft is fixedly connected with a scraping plate which is slidably connected with the inner wall of the reaction kettle, the bottom end of the scraping plate is fixedly connected with a scraping box which is slidably connected with the bottom end inside the reaction kettle, a first rotating ring which is rotatably connected with the scraping plate is arranged in the scraping box, the first rotating ring is in transmission connection with a transmission belt, the transmission belt is in transmission connection with a second rotating ring, the second rotating ring is fixedly connected with a third reciprocating lead screw which is rotatably connected with the scraping plate, the third reciprocating lead screw is in threaded connection with scraping blocks which are slidably connected with the two sides of the scraping plate, a third gear is fixedly connected on the second rotating shaft, the third gear is in meshing connection with a fourth gear, and a third rotating shaft is fixedly connected on the fourth gear, and the meshing be connected with first rotating ring fixed connection's interior ring gear, first rotating ring bottom rotate be connected with the fixing base that the third pivot rotated to be connected, the fixing base cover is located in the second pivot and with the inside bottom fixed connection of reation kettle is favorable to clearing up the residue of reation kettle inside.
Preferably, one end of the external water pipe in the reaction kettle is provided with a high-pressure spray head, so that the cleaning force on residues is enhanced.
Preferably, the heating ring is formed by hinging a plurality of groups of heating sheets, and is favorable for the disassembly and the assembly of the heating ring.
Preferably, one end of the rectangular sleeve, which is far away from the first gear, is fixedly connected with a pushing block, so that the rectangular sleeve and the base are more stably connected.
Preferably, the stopping block is fixedly connected to the top end of the third reciprocating screw rod, and the scraping block is favorable to moving more stably.
The production process of the hydrolysis-resistant waterborne polyurethane adhesive for shoes is characterized in that the preparation raw materials consist of the following components in percentage by weight:
high crystallinity polyester polyol: 70-85 parts of hydroxyl-terminated sulfonate polyether with molecular weight of 200-1000: 2.5-9.5 parts of diisocyanate and 12-18 parts of diisocyanate; micromolecule hydroxyl-terminated chain extender with side groups: 0.1-2.0 parts of micromolecule amino-terminated chain extender: 0.1-0.5 part, catalyst: 10ppm to 50 ppm; defoaming agent: 0.05 to 0.25 percent of the total weight;
the method is characterized by further comprising the following steps:
s1: firstly, high-crystallinity polyester polyol and high-molecular-weight hydroxyl-terminated sulfonate polyether are mixed at the temperature of 90-110 ℃, and are pumped out and dehydrated for 1-2 hours; under the protection of nitrogen, adding diisocyanate and partial catalyst to react at 70-90 ℃ for 1-3 hours; cooling to 50-70 deg.C; adding a micromolecule hydroxyl-terminated chain extender acetone solution with a side group and a solid content of 40-60% and the residual catalyst, and carrying out reflux reaction for 1-3 hours to obtain a prepolymer;
s2: adding 100-120 parts of acetone, and dissolving for 30-90 min; cooling to 30-40 deg.C; under high-speed stirring, quickly adding the mixture into 100 portions of 110 portions of deionized water at the temperature of between 20 and 30 ℃ for high-speed dispersion; after dispersion, reducing the stirring speed to low-speed stirring, and adding a small molecule amino-terminated chain extender acetone solution with the solid content of 40-60%;
s3: heating to 40-50 ℃ for reaction and curing for 5-8 h; adding defoaming agent, stirring at low speed for 30 min; vacuumizing, controlling the vacuum degree to be-0.1 MPa, removing the acetone in the solution phase under high-speed stirring, and recycling the acetone.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the matching arrangement of the driving assembly, the spraying assembly and the scraping assembly, the problem that the residual adhesive in the reaction kettle is difficult to clean after the hydrolysis-resistant waterborne polyurethane adhesive is produced by the reaction kettle originally is solved, the driving assembly drives the spraying assembly to operate, water is injected into the reaction kettle, the outer wall of the reaction kettle is heated, the residual adhesive is prevented from being solidified on the inner wall, and the scraping assembly is driven to operate at the same time, so that the inner wall and the bottom end of the reaction kettle are repeatedly scraped, and the residue cleaning efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a schematic view of a driving assembly according to the present invention;
FIG. 4 is an enlarged view of area B of FIG. 3;
FIG. 5 is a schematic view of the internal structure of a reaction vessel according to the present invention;
FIG. 6 is a schematic view of a portion of the scraper assembly of the present invention;
FIG. 7 is an expanded view of the scraper assembly of the present invention;
FIG. 8 is an enlarged view of area C of FIG. 7;
FIG. 9 is a schematic view of the spray assembly of the present invention;
FIG. 10 is a schematic view of a heating ring according to the present invention.
In the figure: 1-a reaction kettle; 2-external connection of a water pipe; 3-switching valve; 4-a drive assembly; 5-a spray assembly; 6-a scraping component; 7-mounting seats; 8-an electric motor; 9-a first rotating shaft; 10-a driving wheel; 11-a first fixed block; 12-a first gear; 13-external gear ring; 14-a heating mechanism; 15-a belt; 16-a driven wheel; 17-a second fixed block; 18-a first reciprocating screw; 19-a second gear; 20-a heating ring; 21-a second reciprocating screw rod; 22-a rectangular sleeve; 23-a base; 24-an air bag; 25-a support block; 26-air outlet; 27-connecting blocks; 28-tension spring; 29-a slider; 30-a second rotating shaft; 31-a scraping plate; 32-a scraping box; 33-a first rotating ring; 34-a transmission belt; 35-a second rotating ring; 36-a third reciprocating screw rod; 37-a scraping block; 38-third gear; 39-fourth gear; 40-a third rotating shaft; 41-inner gear ring; 42-a fixed seat; 43-a pushing block; 44-stop block.
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.
Example 1
Referring to fig. 1-10, the present invention provides a technical solution: a production process of a hydrolysis-resistant waterborne polyurethane adhesive for shoes and preparation equipment thereof comprise the following steps: the reaction kettle 1 is fixedly connected with an external water pipe 2, and the external water pipe 2 is provided with a switch valve 3; further comprising: the driving assembly 4 is arranged on the reaction kettle 1; the spraying component 5 is arranged on the reaction kettle 1 and is connected with the driving component 4; scrape subassembly 6, scrape subassembly 6 and set up in reation kettle 1 and be connected with drive assembly 4, wherein, in order to strengthen the clearance dynamics to remaining the adhesive, external water pipe 2 is arranged in one of reation kettle 1 and serves and be provided with high pressure nozzle.
Referring to fig. 3-4, in the drawings, the driving assembly 4 includes a mounting base 7 disposed on the reaction vessel 1 and fixedly connected to the reaction vessel 1, a motor 8 is fixedly connected to the mounting base 7, an output end of the motor 8 is fixedly connected to a first rotating shaft 9, a driving wheel 10 is fixedly connected to the first rotating shaft 9 and rotatably connected to a first fixing block 11 fixedly connected to the reaction vessel 1, a first gear 12 is fixedly connected to an end far from the motor 8, the first gear 12 is engaged with an outer gear ring 13 rotatably connected to the reaction vessel 1, the outer gear ring 13 is connected to a heating mechanism 14, the driving wheel 10 is drivingly connected to a belt 15, and the belt 15 is drivingly connected to a driven wheel 16.
Referring to fig. 1-3, the heating mechanism 14 includes a plurality of second fixing blocks 17 disposed on the reaction vessel 1 and fixedly connected to the reaction vessel 1, the plurality of second fixing blocks 17 are rotatably connected to a first reciprocating screw 18, a second gear 19 engaged with the outer gear ring 13 is fixedly connected to the first reciprocating screw 18, and a heating ring 20 slidably connected to the reaction vessel 1 is threadedly connected to the first reciprocating screw 18, wherein the heating ring 20 is formed by a plurality of heating plates hinged together to facilitate mounting and dismounting of the heating ring 20.
After the hydrolysis-resistant waterborne polyurethane adhesive is produced and taken out from the reaction kettle 1, in order to prevent the residual adhesive from adhering to the inner wall or the bottom end, the motor 8 is controlled to operate, the output end of the motor 8 drives the first rotating shaft 9 and the first fixing block 11 to rotate, the first rotating shaft 9 further drives the first gear 12 to rotate simultaneously, the first gear 12 drives the spraying component 5 to operate while rotating, the spraying component 5 drives the switch valve 3 to operate while operating, the valve port of the external water pipe 2 is opened to enable the water source to enter the reaction kettle 1, the first rotating shaft 9 drives the driving wheel 10 to rotate while rotating, the driven wheel 16 is driven to rotate by the transmission connection of the belt 15, the driven wheel 16 further drives the scraping component 6 connected with the driven wheel to operate to scrape the inner wall and the bottom end of the reaction kettle 1, the residual cleaning force is enhanced by matching with the spraying component 5, the first gear 12 is connected with the outer gear ring 13 in a meshing manner, the first gear 12 drives the outer gear ring 13 to rotate on the reaction kettle 1 when rotating, the outer gear ring 13 is connected with the second gear 19 through the meshing manner of the outer gear ring 13 when rotating, the outer gear ring 13 drives the second gear 19 to rotate simultaneously when rotating, the second gear 19 immediately drives the first reciprocating screw rod 18 to rotate on the second fixed block 17, the first reciprocating screw rod 18 is connected with the heating ring 20 through the screw thread, and the first reciprocating screw rod 18 drives the heating ring 20 to perform reciprocating lifting sliding on the outer wall of the reaction kettle 1 and heat when rotating, so that the residual adhesive is prevented from being cooled and adhered to the inner wall, and the cleaning force is improved.
Example 2
Referring to fig. 1, 2 and 9, an embodiment 2 is described, which further describes embodiment 1, the spraying assembly 5 includes a second reciprocating screw rod 21 fixedly connected to the first gear 12, the second reciprocating screw rod 21 is in threaded connection with a rectangular sleeve 22, the rectangular sleeve 22 is in sliding connection with a base 23, an air bag 24 is fixedly connected to the base 23, and is fixedly connected with a support block 25 fixedly connected to the reaction kettle 1, an air outlet 26 is formed in the air bag 24, and is fixedly connected with a connection block 27 in sliding connection with the switch valve 3, a tension spring 28 having one end fixedly connected to the support block 25 is disposed on the support block 25, and a sliding block 29 in sliding connection with the switch valve 3 is fixedly connected to the other end of the tension spring 28, wherein, in order to make the connection between the rectangular sleeve 22 and the base 23 more stable, a pushing block 43 is fixedly connected to one end of the rectangular sleeve 22 away from the first gear 12.
When the first gear 12 rotates, the second reciprocating screw 21 fixedly connected with the first gear 12 rotates at the same time, the second reciprocating screw 21 is connected with the rectangular sleeve 22 through threads of the second reciprocating screw 21, the second reciprocating screw 21 drives the rectangular sleeve 22 to move up and down and slide back and forth with the base 23 in a reciprocating manner, the rectangular sleeve 22 performs piston motion with the base 23 during reciprocating lifting, the air bag 24 is continuously inflated, the air bag 24 supports the connecting block 27 during inflation and continuous expansion, the connecting block 27 is driven to slide with the switch valve 3 until the switch valve 3 is jacked up through the connecting block 27, so that the switch valve 3 opens a valve port of the external water pipe 2, a water source smoothly enters the reaction kettle 1 through the external water pipe 2, and the sliding block 29 slides on the switch valve 3 in a matching manner during upward opening of the switch valve 3, extension spring 28 extends, and the setting of gas outlet 26 for gasbag 24 is constantly given vent to anger outward, prevents that gasbag 24 inflation from exploding and breaking open, and after the washing is accomplished, the gas in gasbag 24 leaks gradually and goes on atrophy, and connecting block 27 can't jack-up ooff valve 3, and extension spring 28 then pulls ooff valve 3 downwards, makes external water pipe 2 valve port close, stops to supplying water in the reation kettle 1.
Example 3
Referring to fig. 5-8 to describe embodiment 3, which further describes embodiment 1, the scraping component 6 includes a second rotating shaft 30 rotatably connected to the reaction vessel 1 and fixedly connected to the driven wheel 16, the second rotating shaft 30 is fixedly connected to a scraping plate 31 slidably connected to the inner wall of the reaction vessel 1, the bottom end of the scraping plate 31 is fixedly connected to a scraping box 32 slidably connected to the bottom end of the interior of the reaction vessel 1, a first rotating ring 33 rotatably connected to the scraping plate 31 is disposed in the scraping box 32, the first rotating ring 33 is in transmission connection with a transmission belt 34, the transmission belt 34 is in transmission connection with a second rotating ring 35, the second rotating ring 35 is fixedly connected to a third reciprocating screw 36 rotatably connected to the scraping plate 31, the third reciprocating screw 36 is in threaded connection with a scraping block 37 slidably connected to both sides of the scraping plate 31, a third gear 38 is fixedly connected to the second rotating shaft 30, the third gear 38 is in meshing connection with a fourth gear 39, fixedly connected with third pivot 40 on the fourth gear 39, and the meshing is connected with the interior ring gear 41 with first rotating ring 33 fixed connection, and first rotating ring 33 bottom is rotated and is connected with the fixing base 42 of being connected with third pivot 40 rotation, and fixing base 42 cover is located on second pivot 30 and with the inside bottom fixed connection of reation kettle 1, and wherein, for making the removal of scraping piece 37 on third reciprocating screw 36 more stable, third reciprocating screw 36 top fixedly connected with stops piece 44.
When the driven wheel 16 rotates, the driven wheel 16 further drives the second rotating shaft 30 to rotate with the reaction kettle 1, the second rotating shaft 30 drives the fixedly connected scraping plate 31 to rotate in the reaction kettle 1 around the second rotating shaft 30, so as to scrape the inner wall of the reaction kettle 1, the scraping plate 31 drives the fixedly connected scraping box 32 to scrape the bottom end of the reaction kettle 1, when the second rotating shaft 30 rotates, the third gear 38 is driven to simultaneously rotate, the third gear 38 is meshed and connected with the fourth gear 39 through the third gear 38, the third gear 38 drives the fourth gear 39 to simultaneously rotate when rotating, the fourth gear 39 immediately drives the third rotating shaft 40 to rotate on the fixed seat 42 and is meshed and connected with the inner toothed ring 41 through the fourth gear 39, when rotating, the fourth gear 39 drives the inner toothed ring 41 and further drives the first rotating ring 33 to rotate, through the transmission connection of the transmission belt 34, the first rotating ring 33 drives the second rotating ring 35 to rotate simultaneously when rotating, the second rotating ring 35 drives the third reciprocating screw rod 36 and the scraping plate 31 to rotate when rotating, through the threaded connection of the third reciprocating screw rod 36 and the scraping block 37, the third reciprocating screw rod 36 drives the scraping block 37 to reciprocate when rotating, and scrapes the two sides of the scraping plate 31, so that the adhesive scraped from the inner wall is prevented from being accumulated on the scraping plate 31.
The production process of the hydrolysis-resistant waterborne polyurethane adhesive for shoes is characterized in that the preparation raw materials consist of the following components in percentage by weight:
high crystallinity polyester polyol: 70-85 parts of hydroxyl-terminated sulfonate polyether with molecular weight of 200-1000: 2.5-9.5 parts of diisocyanate and 12-18 parts of diisocyanate; micromolecule hydroxyl-terminated chain extender with side groups: 0.1-2.0 parts of micromolecule amino-terminated chain extender: 0.1-0.5 part, catalyst: 10ppm to 50 ppm; defoaming agent: 0.05 to 0.25 percent of the total weight;
the method is characterized by further comprising the following steps:
s1: firstly, high-crystallinity polyester polyol and high-molecular-weight hydroxyl-terminated sulfonate polyether are mixed at the temperature of 90-110 ℃, and are pumped out and dehydrated for 1-2 hours; under the protection of nitrogen, diisocyanate and partial catalyst are added at 70-90 ℃.
Claims (10)
1. The utility model provides a hydrolysis resistant waterborne polyurethane adhesive preparation equipment for shoes which characterized in that includes:
the device comprises a reaction kettle (1), wherein an external water pipe (2) is fixedly connected to the reaction kettle (1), and a switch valve (3) is arranged on the external water pipe (2);
further comprising:
the driving assembly (4), the driving assembly (4) is arranged on the reaction kettle (1);
the spraying assembly (5) is arranged on the reaction kettle (1) and is connected with the driving assembly (4);
and the scraping component (6) is arranged in the reaction kettle (1) and is connected with the driving component (4).
2. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 1, wherein: the driving component (4) comprises a mounting seat (7) which is arranged on the reaction kettle (1) and is fixedly connected with the reaction kettle (1), the mounting seat (7) is fixedly connected with an electric motor (8), the output end of the electric motor (8) is fixedly connected with a first rotating shaft (9), the first rotating shaft (9) is fixedly connected with a driving wheel (10), and is rotationally connected with a first fixed block (11) fixedly connected with the reaction kettle (1), and one end far away from the motor (8) is fixedly connected with a first gear (12), the first gear (12) is engaged with an outer gear ring (13) rotationally connected with the reaction kettle (1), the outer ring gear (13) is connected with a heating mechanism (14), the driving wheel (10) is in transmission connection with a belt (15), and the belt (15) is in transmission connection with a driven wheel (16).
3. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 2, characterized in that: heating mechanism (14) including the multiunit set up in reation kettle (1) go up and with reation kettle (1) fixed connection's second fixed block (17), the multiunit second fixed block (17) rotate and are connected with first reciprocal lead screw (18), fixedly connected with on first reciprocal lead screw (18) with second gear (19) that outer ring gear (13) meshing is connected, and threaded connection have with reation kettle (1) sliding connection's heating ring (20).
4. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 3, characterized in that: spray subassembly (5) include with first gear (12) fixed connection's the reciprocal lead screw (21) of second, the reciprocal lead screw (21) threaded connection of second has rectangle cover (22), rectangle cover (22) sliding connection has base (23), fixedly connected with gasbag (24) on base (23), and fixedly connected with reation kettle (1) fixed connection's supporting shoe (25), gas outlet (26) have been seted up on gasbag (24), and fixedly connected with switching valve (3) sliding connection's connecting block (27), be provided with on supporting shoe (25) one end with supporting shoe (25) fixed connection's extension spring (28), the other end fixedly connected with of extension spring (28) with switching valve (3) sliding connection's sliding block (29).
5. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 4, wherein: the scraping assembly (6) comprises a second rotating shaft (30) which is rotatably connected with the reaction kettle (1) and fixedly connected with the driven wheel (16), the second rotating shaft (30) is fixedly connected with a scraping plate (31) which is slidably connected with the inner wall of the reaction kettle (1), the bottom end of the scraping plate (31) is fixedly connected with a scraping box (32) which is slidably connected with the inner bottom end of the reaction kettle (1), a first rotating ring (33) which is rotatably connected with the scraping plate (31) is arranged in the scraping box (32), the first rotating ring (33) is in transmission connection with a transmission belt (34), the transmission belt (34) is in transmission connection with a second rotating ring (35), the second rotating ring (35) is fixedly connected with a third reciprocating screw rod (36) which is rotatably connected with the scraping plate (31), and the third reciprocating screw rod (36) is in threaded connection with a scraping block (37) which is slidably connected with the two sides of the scraping plate (31), fixedly connected with third gear (38) is gone up in second pivot (30), third gear (38) meshing is connected with fourth gear (39), fixedly connected with third pivot (40) is gone up in fourth gear (39), and the meshing be connected with first rotating ring (33) fixed connection's interior ring gear (41), first rotating ring (33) bottom rotate be connected with third pivot (40) rotate fixing base (42) of connecting, fixing base (42) cover is located on second pivot (30) and with reation kettle (1) inside bottom fixed connection.
6. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 1, wherein: one end of the external water pipe (2) in the reaction kettle (1) is provided with a high-pressure spray head.
7. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes as claimed in claim 3, wherein: the heating ring (20) is formed by hinging a plurality of groups of heating sheets.
8. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 4, characterized in that: one end of the rectangular sleeve (22) far away from the first gear (12) is fixedly connected with a pushing block (43).
9. The apparatus for preparing the hydrolysis-resistant waterborne polyurethane adhesive for shoes according to claim 5, wherein: the top end of the third reciprocating screw rod (36) is fixedly connected with a blocking block (44).
10. The production process of the hydrolysis-resistant waterborne polyurethane adhesive for the shoes is characterized in that the preparation raw materials consist of the following components in percentage by weight:
high crystallinity polyester polyol: 70-85 parts of hydroxyl-terminated sulfonate polyether with molecular weight of 200-1000: 2.5-9.5 parts of diisocyanate and 12-18 parts of diisocyanate; micromolecule hydroxyl-terminated chain extender with side groups: 0.1-2.0 parts of micromolecule amino-terminated chain extender: 0.1-0.5 part, catalyst: 10ppm to 50 ppm; defoaming agent: 0.05 to 0.25 percent of the total weight;
the method is characterized by further comprising the following steps:
s1: firstly, high-crystallinity polyester polyol and high-molecular-weight hydroxyl-terminated sulfonate polyether are mixed at the temperature of 90-110 ℃, and are pumped out and dehydrated for 1-2 hours; under the protection of nitrogen, adding diisocyanate and partial catalyst to react for 1-3 hours at 70-90 ℃; cooling to 50-70 deg.C; adding a micromolecule hydroxyl-terminated chain extender acetone solution with a side group and a solid content of 40-60% and the residual catalyst, and carrying out reflux reaction for 1-3 hours to obtain a prepolymer;
s2: adding 100-120 parts of acetone, and dissolving for 30-90 min; cooling to 30-40 deg.C; under high-speed stirring, quickly adding the mixture into 100 portions of 110 portions of deionized water at the temperature of between 20 and 30 ℃ for high-speed dispersion; after dispersion, reducing the stirring speed to low-speed stirring, and adding a small molecule amino-terminated chain extender acetone solution with the solid content of 40-60%;
s3: heating to 40-50 ℃ for reaction and curing for 5-8 h; adding defoaming agent, stirring at low speed for 30 min; vacuumizing, controlling the vacuum degree to be-0.1 MPa, removing the acetone in the solution phase under high-speed stirring, and recycling the acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210315393.XA CN114950296B (en) | 2022-03-29 | 2022-03-29 | Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210315393.XA CN114950296B (en) | 2022-03-29 | 2022-03-29 | Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114950296A true CN114950296A (en) | 2022-08-30 |
| CN114950296B CN114950296B (en) | 2023-08-25 |
Family
ID=82976137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210315393.XA Active CN114950296B (en) | 2022-03-29 | 2022-03-29 | Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114950296B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591537A (en) * | 2022-10-26 | 2023-01-13 | 江苏芬纳环保科技有限公司（Cn） | Molecular sieve forming device and process |
| CN117402727A (en) * | 2023-10-28 | 2024-01-16 | 南通康盛医疗器械有限公司 | Fermentation tank for biological agent and fermentation process thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621874A (en) * | 2019-01-24 | 2019-04-16 | 杨韦韦 | Mix reaction equipment is used in industrial chemicals production |
| CN110918033A (en) * | 2019-12-05 | 2020-03-27 | 江西纳森科技有限公司 | Sealed production of gluing of organosilicon is with vertical high-efficient reation kettle |
| CN211800577U (en) * | 2019-12-24 | 2020-10-30 | 广州光科机械设备有限公司 | Solvent dispersion tank with material heated uniformly |
| CN212549527U (en) * | 2020-05-22 | 2021-02-19 | 英克化工科技（太仓）有限公司 | Polyester polyol reation kettle who facilitates use |
| CN112430447A (en) * | 2020-11-25 | 2021-03-02 | 保定邦泰高分子新材料有限公司 | Waterborne polyurethane adhesive for shoes and preparation process thereof |
| CN212942848U (en) * | 2020-06-03 | 2021-04-13 | 辽宁伊万斯清洁科技有限公司 | Reaction kettle for chemical catalytic reaction |
| CN112718759A (en) * | 2020-12-15 | 2021-04-30 | 宜昌华悦光电科技有限公司 | Optical lens piece belt cleaning device |
| CN215050171U (en) * | 2021-06-24 | 2021-12-07 | 福建省金农威饲料有限公司 | Pig is fermenting installation for feed production with mix stirring function |
-
2022
- 2022-03-29 CN CN202210315393.XA patent/CN114950296B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621874A (en) * | 2019-01-24 | 2019-04-16 | 杨韦韦 | Mix reaction equipment is used in industrial chemicals production |
| CN110918033A (en) * | 2019-12-05 | 2020-03-27 | 江西纳森科技有限公司 | Sealed production of gluing of organosilicon is with vertical high-efficient reation kettle |
| CN211800577U (en) * | 2019-12-24 | 2020-10-30 | 广州光科机械设备有限公司 | Solvent dispersion tank with material heated uniformly |
| CN212549527U (en) * | 2020-05-22 | 2021-02-19 | 英克化工科技（太仓）有限公司 | Polyester polyol reation kettle who facilitates use |
| CN212942848U (en) * | 2020-06-03 | 2021-04-13 | 辽宁伊万斯清洁科技有限公司 | Reaction kettle for chemical catalytic reaction |
| CN112430447A (en) * | 2020-11-25 | 2021-03-02 | 保定邦泰高分子新材料有限公司 | Waterborne polyurethane adhesive for shoes and preparation process thereof |
| CN112718759A (en) * | 2020-12-15 | 2021-04-30 | 宜昌华悦光电科技有限公司 | Optical lens piece belt cleaning device |
| CN215050171U (en) * | 2021-06-24 | 2021-12-07 | 福建省金农威饲料有限公司 | Pig is fermenting installation for feed production with mix stirring function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115591537A (en) * | 2022-10-26 | 2023-01-13 | 江苏芬纳环保科技有限公司（Cn） | Molecular sieve forming device and process |
| CN115591537B (en) * | 2022-10-26 | 2023-08-25 | 江苏芬纳环保科技有限公司 | Molecular sieve forming device and process |
| CN117402727A (en) * | 2023-10-28 | 2024-01-16 | 南通康盛医疗器械有限公司 | Fermentation tank for biological agent and fermentation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114950296B (en) | 2023-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114950296A (en) | Production process and preparation equipment of hydrolysis-resistant waterborne polyurethane adhesive for shoes | |
| CN111672853A (en) | Low-cost cosmetic glass bottle processing method | |
| CN111214990B (en) | Polyurethane foaming agent preparation foaming process | |
| CN114309095A (en) | Cooling bed with water cooling device for flat-bulb steel production | |
| CN212818405U (en) | Water-based composite coating filter equipment | |
| CN115781406B (en) | Cooling equipment of evaporator part processing machine tool | |
| CN211521613U (en) | Battery level lithium carbonate preparation facilities | |
| CN216224378U (en) | High-efficient reation kettle of polyurethane production usefulness | |
| CN110894077A (en) | Preparation method and preparation device of battery-grade lithium carbonate | |
| CN209453259U (en) | A kind of polishing device for machine tube inner wall | |
| CN219663712U (en) | Raw material reaction kettle for chemical engineering | |
| CN116328662B (en) | Preparation device and preparation process of hydrogenated carboxylated nitrile rubber | |
| CN220834449U (en) | Paint filter | |
| CN218743745U (en) | Titanium sponge reactor inner wall cleaning device | |
| CN215355050U (en) | Environment-friendly road rubber asphalt old material rinsing device | |
| CN211159790U (en) | Reation kettle is used in production of mixing type polyurethane crude rubber of resistant high low temperature | |
| CN220589142U (en) | Cooling water supply assembly for water cutting machine | |
| KR102510169B1 (en) | Regeneration automation device for processing waste rubber gaskets of secondary batteries into recycled materials | |
| CN219136388U (en) | Water-based building coating wastewater decolorization device | |
| CN216379206U (en) | Civil engineering road and bridge crack reinforced structure | |
| CN216040409U (en) | Novel fan blade water filtering and draining box device | |
| CN219883523U (en) | Quick detach formula scraper belt cleaning device | |
| CN212102384U (en) | Visible light catalysis sewage pretreatment device | |
| CN218188203U (en) | Double-shaft differential kneader | |
| CN217594482U (en) | Production facility of SPUA polyurea material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |