CN108641663A - A kind of environment-friendly water-based polyurethane adhesive and preparation method thereof - Google Patents
A kind of environment-friendly water-based polyurethane adhesive and preparation method thereof Download PDFInfo
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- CN108641663A CN108641663A CN201810536862.4A CN201810536862A CN108641663A CN 108641663 A CN108641663 A CN 108641663A CN 201810536862 A CN201810536862 A CN 201810536862A CN 108641663 A CN108641663 A CN 108641663A
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- 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
- C09J175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6625—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/34
-
- 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
- C09J175/06—Polyurethanes from polyesters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of formulas of environment-friendly water-based polyurethane adhesive, are made of the following raw material according to parts by weight：10 20 parts of aromatic isocyanate, 5 15 parts of polyester polyol, 10 20 parts of polyether polyol, 26 parts of catalyst, 15 25 parts of solvent dimethylformamide, 39 parts of dihydromethyl propionic acid, 13 parts of acetone, 59 parts of polyisocyanates, 6 10 parts of organic silicon solvent, 48 parts of epoxy resin, 10 14 parts of fluoroalkyl polymer emulsion, 13 parts of sealer, 8 10 parts of tackifier, a kind of preparation method of environment-friendly water-based polyurethane adhesive is also disclosed, is included the following steps：S100, raw material proportioning；S200, raw material mixing；S300, stirring molding；S400, charging are modified；S500, mixed-forming; product after production has good hydrolytic resistance difference and chemical-resistant; shielding protection is utilized simultaneously; effectively increase low surface energy, lubricity, hydro-oleophobicity, anti-stain characteristic and the biocompatibility of shaped article coating; whole adhesion strength is improved, practicability is stronger.
Description
Technical field
The present invention relates to gluings to stick agent technical field, specially a kind of environment-friendly water-based polyurethane adhesive and its preparation side
Method.
Background technology
Polyurethane adhesive refer in strand containing carbamate groups (- NHCOO-) or isocyanate group (-
NCO adhesive).Polyurethane adhesive is divided into polyisocyanates and polyurethane two major classes.Contain in polyisocyanate molecule chain
Isocyano group (- NCO) and carbamate groups (- NH-COO-), therefore polyurethane adhesive shows the activity and polarity of height, with
Base material containing active hydrogen, such as foam, plastics, timber, leather, fabric, paper, ceramics porous material and metal, glass
The material of any surface finish such as glass, rubber, plastics has excellent chemical adhesive power.
Polyurethane adhesive is an important component in the polyurethane resin currently grown rapidly, is had excellent
Different performance is obtained for is widely applied in many aspects, is one of the important kind in eight big synthetic adhesives.
With the continuous development of present production technology, some common adhesive for polyurethane cannot be satisfied specific use and need
It asks, in terms of being mainly manifested in water resistance and chemical-resistant, it is easy to influence use quality because of the variation of use environment, together
When in use, traditional adhesive for polyurethane is due to lacking shielding construction, the when in use active force between its internal structure
Decline, and be susceptible to the case where being difficult to adhere to, influences the use of adhesive for polyurethane.
Invention content
In order to overcome the shortcomings of prior art, a kind of environment-friendly water-based polyurethane adhesive of present invention offer and its system
Preparation Method, adhesive for polyurethane obtained have good physical property, can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of formula of environment-friendly water-based polyurethane adhesive, is made of according to parts by weight the following raw material：
10-20 parts of aromatic isocyanate, 5-15 parts of polyester polyol, 10-20 parts of polyether polyol, 2-6 parts of catalyst,
15-25 parts of solvent dimethylformamide, 3-9 parts of dihydromethyl propionic acid, 1-3 parts of acetone, 5-9 parts of polyisocyanates, organosilicon is molten
6-10 parts of agent, 4-8 parts of epoxy resin, 10-14 parts of fluoroalkyl polymer emulsion, 1-3 parts of sealer, 8-10 parts of tackifier.
Further, it is made of the following raw material according to parts by weight：
15 parts of aromatic isocyanate, 10 parts of polyester polyol, 15 parts of polyether polyol, 4 parts of catalyst, dimethyl formyl
20 parts of amine solvent, 6 parts of dihydromethyl propionic acid, 2 parts of acetone, 7 parts of polyisocyanates, 8 parts of organic silicon solvent, 6 parts of epoxy resin, fluorine
12 parts of alkyl polymer lotion, 2 parts of sealer, 9 parts of tackifier.
Further, the catalyst specifically uses NCO/OH catalysts and NCO/H2O catalysts, NCO/OH
Catalysts and NCO/H2The mass ratio of O catalysts is 1: 2.
Further, the sealer specifically uses any one in acids, tertiary alcohols, sulphite and acetates
Kind.
Further, the organic silicon solvent includes that the silane of amido silicon oil, hydroxy silicon oil, amino or alkoxy end seal is even
Join one or more of agent.
Further, the tackifier are specifically shunk by vinyltriethoxysilane, trifluoromethane sulfonic acid, acrylic sweet
Oily ether, platinum catalyst, aluminate coupling agent, diethyl fumarate inhibitor and aluminium isopropoxide are mixed with.
Further, the controlling pH of the polyester polyol is in 0.5-0.7mgKOH/g, with 0.6 ± 0.05mgKOH/g
It is best.
In addition, the invention also discloses a kind of preparation method of environment-friendly water-based polyurethane adhesive, include the following steps：
The raw material to be used in above-mentioned formula is configured, is placed in sealing state by S100, raw material proportioning in proportion；
S200, raw material mixing, by the polyester polyol prepared, aromatic isocyanate, polyether polyol and dimethyl methyl
Amide solvent puts into the molding mixing drum equipped with electric mixing device simultaneously, while catalyst is added and is filled with nitrogen, heating
Temperature is dehydrated 2-3h in a vacuum to 170-180 DEG C, is cooled to 110-120 DEG C, and dihydromethyl propionic acid and dimethyl methyl is added
Amide solvent；
S300, stirring molding stir 1-2h using electric mixing device to the raw material being added in molding mixing drum, and stirring turns
Speed control is in 2000-3000r/min, and in stirring, molding mixing drum internal temperature control is at 140-150 DEG C；
S400, charging are modified, after the completion of stirring, to molding mixing drum inside be gradually added dihydromethyl propionic acid, more
Isocyanates, organic silicon solvent, epoxy resin and fluoroalkyl polymer emulsion, continue to stir, and speed of agitator is controlled in 3000-
4000r/min, temperature are controlled at 80-90 DEG C.
The propionic acid prepared is added inside molding mixing drum in S500, mixed-forming, and stirring 10-15min emulsification pretreatments are to mixed
It closes uniformly, is cooled to room temperature and obtains Aqueous Polyurethane Adhesives liquid.
Further, in the step S200 to step S400, temperature control by external Combined type heating mechanism into
Row heating, the Combined type heating component include the heated seats for being mounted on molding mixing drum bottom end, heated seats inside installation
Cored column, uniform winding has electromagnetic coil in the iron core column, and is molded stirring drum outer wall and is equipped with cartridge heater, the heating
Cylinder inner homogeneous is equipped with several heating tanks, and infrared ray heating tube, and adjacent heating tank are equipped with inside the heating tank
Between be isolated by ceramic fibre seat.
Further, cooling bath is installed, the cooling bath is close to internal side installation inside the ceramic fibre seat
There is cooling tube, the cooling pipe outer wall is provided with arc heat-conducting silicone grease plate, and side is bent cooling tube by several close to the inner portion
Copper sheet runs through connection with molding mixing drum, and cooling bath top is connected with Ventilated seat, passes through cavity ring between all Ventilated seats
Shape seat is fixedly connected, and hollow circular seat side is equipped with several cooling blowers, and the cooling tube bottom end is respectively connected with
Draw water seat, and a side of drawing water is connected with water storage seat, and suction pump and draining pump are equipped with inside the seat that draws water, described to draw water
Pump is connect by water inlet pipe with water storage seat, and the draining pump is connect by drainpipe with the seat that draws water.
Compared with prior art, the beneficial effects of the invention are as follows：Polyurethane molecular chain is reduced by the epoxy resin of addition
In ionic group, expand crosslinked, branched, enhance the water resistance and chemical-resistant of adhesive after molding, while organosilicon is molten
The addition of agent can well solve the defect of aqueous polyurethane hydrolytic resistance difference, to enhance hating for Aqueous Polyurethane Adhesives
Aqueous, surface enrichment, low-temperature flexibility and biological stability, and after fluoroalkyl polymer emulsion is added, utilize fluorine atom
The feature that radius is small, electronegativity chamber, carbon-fluorine bond bond energy are high, on the Aqueous Polyurethane Adhesives of finished product, fluorine-containing side chain is orientated court
It is outer and align, shielding protection is formed to main chain and interior molecules, effectively increase shaped article coating for low-surface-energy
Property, lubricity, hydro-oleophobicity, anti-stain characteristic and biocompatibility so that Aqueous Polyurethane Adhesives performance obtained is more preferable,
Practicability is stronger.
Description of the drawings
Fig. 1 is the production line structural schematic diagram of the present invention；
Fig. 2 is the automatic governing mechanism structure schematic diagram of the present invention；
Fig. 3 is the classification discharge assembly structural schematic diagram of the present invention；
Fig. 4 is the molding mixing drum side structure schematic diagram of the present invention；
Fig. 5 is the molding mixing drum cross section structure schematic diagram of the present invention；
Fig. 6 is the temperature control system workflow schematic diagram of the present invention；
Fig. 7 is the central control system workflow schematic diagram of the present invention；
Fig. 8 is the Aqueous Polyurethane Adhesives preparation process flow schematic diagram of the present invention.
Figure label：
1- storing sorting mechanisms；2- is classified discharge mechanism；3- electric stirrings mechanism；4- Combined type heating components；5- is measured
Component；6- recycles component；7- is molded sub-material component；8- cooling baths；9- temperature control systems；10- central control systems；11- transports are flat
Platform；12- packing tubes；13- automatic governings mechanism；14- is molded mixing drum；15- product line frames；16- discharge nozzles；17- third electricity
Magnet valve；18- second solenoid valves；19- ultrasonic oscillators；
101- major ingredient cylinders；102- barrel；103- material guiding hoppers；104- sealing covers；105- diversion pipes；106- insulating layers；
The dual heat insulation felts of 107-；108- strip shaped glass windows；109- shines framework；
201- is detained cylinder；202- the taper buckets；203- hollow bases；204- hydraulic stems；205- conical seats；206- gaskets；
207- essences divide ring；The fine slots of 208-；209- sealing columns；210- electric screws；211- connecting seats；
The vertical stirring seats of 301-；The horizontal stirring seats of 302-；The vertical agitating shafts of 303-；The horizontal agitating shafts of 304-；305- spirals
Blade；306- buckling blades；307- metallic rods；
401- heated seats；402- iron core columns；403- electromagnetic coils；404- cartridge heaters；405- heating tanks；406- infrared rays add
Heat pipe；407- ceramic fibre seats；
501- hoppers；502- limit bases；503- electric threaded shafts；504- atmospheric pressure poles；505- fixed seats；506- level sensings
Device；507- pressure sensors；508- sealing mats；509- scraper rings；
601- feeding tubes；602- conduction pipes；603- recovery cylinders；The first solenoid valves of 604-；605- return ducts；
701- sub-feed tubes；702- flowmeters；703- VERTICAL TUBEs；704- seals end seat；705- electric pushrods；706- is sealed
Plug；
801- cooling tubes；802- bends copper sheet；803- Ventilated seats；804- hollow circular seats；805- arc heat-conducting silicone grease plates；
806- cooling blowers；807- draws water seat；808- water storage seats；809- suction pumps；810- draining pumps；811- drainpipes；
901- core processors；902- temperature sensors；903- signal adapters；904- motor-drive circuits；905- drives
Dynamic motor；906- power controllers；
1001- touch input modules；1002- signal conversion modules；1003- processor of single chip computer；1004- driving circuits.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figures 1 to 8, the present invention provides a kind of Aqueous Polyurethane Adhesives production lines, in adhesive for polyurethane
The storing sorting mechanism 1 for storing and classifying for raw material is installed on the product line frame 15 of production line, raw material is quantified
The automatic governing mechanism 13 and molding mixing drum 14, the molding mixing drum 14 of allotment are connected with for molding to be quantitatively discharged
The molding sub-material component 7 of material, the storing sorting mechanism 1 include several major ingredient cylinders 101 being mounted on product line frame 15
With several secondary barrels 102, the major ingredient cylinder 101 and time 102 top of barrel are respectively connected with material guiding hopper 103, the major ingredient cylinder
101,102 bottom end of secondary barrel is connect with molding mixing drum 14, is stored to the raw material of preparation by storing sorting mechanism 1,
It is convenient directly to use, while insulation blocking is carried out to raw material, rotten situation is prevented, ensures product quality.
External primary raw material and secondary raw material is drained into corresponding major ingredient cylinder 101 and defective material by material guiding hopper 103 respectively
Inside cylinder 102, raw material is drained into the molding mixing drum 14 on product line frame 15 by major ingredient cylinder 101 and time barrel 102 later, just
In subsequent shaping work.
Automation mixing stirring, the molding stirring are realized by electric stirring mechanism 3 inside the molding mixing drum 14
Combined type heating component 4 for Hybrid Heating is installed, using electric stirring mechanism 3 to being discharged into molding mixing drum outside cylinder 14
Plurality of raw materials inside 14 is quickly stirred so that raw material mixing is more uniform, improves the Forming Quality of material, and combined type
Heating component 4 is heat-treated molding 14 inside raw material of mixing drum using dual direct-fired mode, when heating
So that 14 inside everywhere of molding mixing drum is heated evenly, be conducive to the molding of Aqueous Polyurethane Adhesives.
When specific processing, the rational proportion of raw material, the automatic governing mechanism are realized by automatic mechanism 13
13 include the classification discharge mechanism 2 and gauge assembly 5 for allotment raw material to be discharged, and is classified discharge mechanism 2 by recycling component 6
It is connect with gauge assembly 5, the raw material which uses needs by the storing sorting mechanism 1 on product line frame 15
Classify, prevent raw material from mixing up, while when being discharged into raw material, the raw material for being used needs using classification discharge assembly 2
Classification discharge, when carrying out automatic governing, realizes being precisely controlled for material quantity, improves the accuracy of entire allocation process.
As shown in Figure 1, the storing sorting mechanism 1 includes several major ingredients that several are mounted on product line frame 15
Cylinder 101 and several secondary barrels 102, the major ingredient cylinder 101, secondary barrel 102 are connect by connection bucket 103 with cylinder 201 is detained,
Described and described 101 outer wall of major ingredient cylinder and time 102 outer wall of barrel are mounted on insulating layer 104,104 inside setting of the insulating layer
There is dual heat insulation felt 105, and each 101 outer wall of major ingredient cylinder and time 102 outer wall of barrel are mounted on strip shaped glass window 106, institute
It states 106 side wall of strip shaped glass window and is provided with luminous framework 107, major ingredient cylinder 101, secondary barrel 102 are by connection bucket 103 by raw material
It is drained into and is detained inside cylinder 201, while the insulating layer 104 of 101 outer wall of major ingredient cylinder, 102 outer wall of secondary barrel plays good heat preservation
Protective action completely cuts off heat by dual heat insulation felt 105, prevents heat losses, can play good heat preservation and moisture-proof role.
And the strip shaped glass window 106 that each 101 outer wall of major ingredient cylinder and time 102 outer wall of barrel are respectively mounted is convenient intuitive
Understand the amount of the raw material inside each barrel, while the luminous framework 107 of 106 side wall of strip shaped glass window setting is convenient in light
It is observed when weaker, it is more convenient to use.
The classification discharge assembly 2 includes the delay cylinder 201 for being connected to major ingredient cylinder 101 and time 102 bottom end of barrel, described stagnant
201 bottom end of cylinder is stayed to be connected with the taper bucket 202,202 bottom end of the taper bucket is connected with hollow base 203, inside the hollow base 203
Bottom end is connected with conical seat 205 by hydraulic stem 204, and 205 top outer wall of the conical seat is equipped with gasket 206, the cone
Shape seat 205 is internally provided with essence and ring 207, the essence is divided to divide 207 inner homogeneous annular of ring to be provided with several and run through conical seat 205
Fine slot 208, the fine slot 208 is internally provided with sealing column 209, and 209 top of the sealing column is connected with electric screw
210, the electric screw 210 is connect by connecting seat 211 with 201 inner wall of cylinder is detained.
Material inside major ingredient cylinder 101 and time barrel 102 is directly discharged into first inside corresponding delay cylinder 201, it
It is discharged afterwards by the taper bucket 202, during discharge, passes through the telescopic adjustment conical seat 205 of hydraulic stem 205 first
Position so that conical seat 205 is fixed on the different location inside the taper bucket 202, not only can in time block the taper bucket 202,
And the gap size between the taper bucket 202 and conical seat 205 is adjusted to adjust the velocity of discharge of raw material, convenient for control raw material row
The gasket 206 of the amount gone out, 205 outer wall of conical seat plays sealing function, is bonded between conical seat 205 and the taper bucket 202
When keep sealing state.
Meanwhile after completing preliminary discharge, if the amount of discharge material does not reach requirement also, electricity can be passed through at this time
The position of fine slot 208 of the telescopic adjustment sealing column 209 of dynamic screw rod 210 inside conical seat 205, to control fine slot
208 break-make, when needed, by fine slot 208 by raw material from the micro discharge downwards of 202 top of the taper bucket, to real
Existing discharge accurately controls, while can also control the conducting quantity of fine slot 208, and the discharge of raw material is realized in fine degree
Speed control.
It cooperates using between fine slot 208 and conical seat 205, it is more accurate when carrying out material proportion, no
It is also easy to produce deviation and influences the quality of production.
As shown in Figures 2 and 3, delay 201 bottom end of cylinder is connected with the recycling component 6 for collecting extra material, institute
It includes being hinged and connected to the feeding tube 601 of 203 bottom end of hollow base, and 203 bottom end of hollow base passes through conduction pipe to state recycling component 6
602 are connected with recovery cylinder 603, the first solenoid valve 604 are equipped on the conduction pipe 602, and 603 bottom end of recovery cylinder is connected with back
Flow tube 605, the raw material for being drained into the taper bucket 202 are entered in hollow base 203, are discharged later by feeding tube 601, institute
It states 601 end of feeding tube and third solenoid valve 17 is installed, and after completing discharge supply, part is deposited in hollow base originally
Inside 203, at this time by opening the first solenoid valve 604, extra raw material is discharged in recovery cylinder 603 by conduction pipe 602
Portion is recycled, in order to utilize again.
The gauge assembly 5 includes being hinged and connected to the hopper 501 of 601 end of feeding tube, inside the hopper 501
Limit base 502 is installed, 502 top of the limit base is connect by electric threaded shaft 503 with 501 top of hopper, the metering
501 tops of cylinder are connected with fixed seat 505 by atmospheric pressure pole 504, and the fixed seat 505 is mounted on 15 bottom end of product line frame, institute
It states 501 inner wall of hopper and is also equipped with the liquid level sensor 506 for detecting liquid level and the pressure sensing for detecting quality
Device 507 measures the raw material discharged from feeding tube 601 by gauge assembly 5, to ensure the volume of raw material
Or quality reaches requirement.
When the raw material inside hopper 501 reaches setting value simultaneously, the contraction of atmospheric pressure pole 504 makes hopper
501 position changes so that feeding tube 601 tilts upwards so that remains in the raw material inside feeding tube 601 in weight
It is discharged under force effect, is convenient for the recovery processing of redundance.
And when direct discharge, so that the position of hopper 501 moves down, feeding is soft for the stretching of atmospheric pressure pole 504
Pipe 601 tilts down, and is conducive to raw material and discharges.
When specifically used, movement of the limit base 502 inside hopper 501 is pushed by electric threaded shaft 503 so that limit
Different height of the seat 502 inside hopper 501 to which control is convenient for inputting different amounts of raw material, and is drained into hopper
Raw material inside 501 is detected by liquid level sensor 506 and pressure sensor 507 respectively, is sentenced according to setting
It is disconnected, judge whether the volume of raw material or quality reach sets requirement, after reaching requirement, you can stop charging.
As shown in fig. 7, the hopper 501 is internally provided with central control system 10, the central control system 10 includes sequentially electric
Property the touch input module 1001 for inputting set information of connection, the signal conversion module 1002 converted for signal and with
For the processor of single chip computer 1003 of data processing, and liquid level sensor 506 and pressure sensor 507 pass through signal modulus of conversion
Block 1002 is electrically connected with 1003 input terminal of processor of single chip computer, and 1003 output end of processor of single chip computer is by being connected with driving
Circuit 1004, the driving circuit 14 are connect with the rotary electric machine of electric threaded shaft 503, and 1003 output end of singlechip controller
It is also electrically connected respectively with the first solenoid valve 604, second solenoid valve 18 and third solenoid valve 17, realizes the automation to solenoid valve
Control.
By touch input module 1001 by the information input of the material quantity of needs, transmitted by signal conversion module 1002
To processor of single chip computer 1003, open simultaneously the third solenoid valve 17 on feeding tube 601 raw material is continually drained it is corresponding
Inside hopper 501, when liquid level sensor 506 or pressure sensor 507 detect when meeting the requirements, closing third is electric
Magnet valve 17 can stop feeding, and when setting fixed amount, and processor of single chip computer 1003 passes through driving circuit 1004
Control the rotary electric machine rotation of electric threaded shaft 503 so that electric threaded shaft 503 can carry out telescopic adjustment, you can control limit base
502 position changes the volume size inside hopper 501, is injected with preventing from occurring in unexpected situations 501 inside of hopper
The case where excessive raw material.
502 outer wall top of the limit base is equipped with one layer of sealing mat 508, and outer wall bottom end is equipped with scraper ring 509, described
509 surface of scraper ring is provided with teflon coatings, and teflon coatings play anti-adhesion effects, prevents residual material on scraper ring 509,
Sealing function, and moving up and down with limit base 502 are played using sealing mat 508,501 inner wall of hopper can be remained
Raw material scrape, improve the utilization rate of raw material.
501 bottom end of the hopper is respectively connected with discharge nozzle 16, and all 16 bottom ends of discharge nozzle are by being molded mixing drum 14
It is fixedly connected, and is mounted on second solenoid valve 18 on discharge nozzle 16, while discharge nozzle 16 is controlled using second solenoid valve 18
Deployed raw material is stablized discharge by the velocity of discharge.
The electric stirring mechanism 3 includes vertical stirring seat 301 and the horizontal stirring being mounted on inside molding mixing drum 14
Seat 302,301 top of vertical stirring seat is connected with vertical agitating shaft 303, and 302 side of horizontal stirring seat is connected with water
Flat agitating shaft 304 is uniformly equipped with several helical blades 305, and 304 table of horizontal agitating shaft on the vertical agitating shaft 303
Face is uniformly connected with several metallic rods 307, and buckling blade 306 is mounted in the metallic rod 307, enters molding stirring
It is mixed by electric stirring mechanism 3 between plurality of raw materials inside cylinder 14, during stirring, vertical stirring seat
301 vertical agitating shaft 303 and the horizontal agitating shaft 304 of horizontal stirring seat 302 are rotated in vertical direction, horizontal direction respectively,
The shear action that both direction is formed by dual rotating manner vertically and horizontally, due to two kinds of shear forces
It is mutually perpendicular to, increases the immixture between the raw material of different mixing positions so that the 14 inside raw material mixing of molding mixing drum is more
Add uniformly.
On the other hand, due to several helical blades 305 for uniformly being installed on vertical agitating shaft 303 shape in the rotation
At a column type body, and the buckling blade 306 being all connected in several metallic rods 307 on 304 surface of horizontal agitating shaft is rotating
When form another column type body in the horizontal direction, the sky inside two column type body critical contacts and composition molding mixing drum 14
Between so that the raw material inside molding mixing drum 14 can be sufficiently agitated, and be not in the non-uniform situation of local mixing.
As shown in Figure 1, Figure 4 and Figure 5, the Combined type heating component 4 includes being mounted on adding for 14 bottom end of molding mixing drum
Hot seat 401 is equipped with iron core column 402 inside the heated seats 401, and uniform winding has electromagnetic coil in the iron core column 402
403, and be molded 14 outer wall of mixing drum and cartridge heater 404 is installed, 404 inner homogeneous of the cartridge heater is equipped with several heating tanks
405, infrared ray heating tube 406 is installed inside the heating tank 405, and pass through ceramic fibre between adjacent heating tank 405
Seat 407 is isolated, and the electromagnetic coil 403 being wrapped in iron core column 402 generates vortex phenomenon, is vortexed the heat of generation upon power-up
It is transferred to inside molding mixing drum 14, and on the other hand, molding mixing drum 14 is directly added by the cartridge heater 404 of outer wall to internal
Heat, the infrared ray heating tube 406 that the inside of multiple heating tanks 405 is installed by infrared ray to the raw material inside molding mixing drum 14 into
Row heating, improves heating effect, and adjacent heating tank 405 is isolated by ceramic fibre seat 407, effectively prevent adjacent add
Heat between heat channel 405 is transmitted, and heat utilization ratio is improved.
And infrared heating has the following advantages relative to traditional heating：
With penetration power, heated simultaneously inside and outside energy；It is not required to heat transfer medium transmission, the thermal efficiency is good；Can local heating, save
The energy；Comfortable operating environment is provided；Clean heating process is not necessarily to hot wind, non-secondary pollution；Temperature control is easy and rises
It is warm rapid, and relatively have safety；Thermal inertia is small, does not need warming-up, saves manpower because infrared heating have the advantages that it is above-mentioned,
There is high efficiency and high uniformity when therefore heating, can effectively improve product quality.
Cooling bath 8 is installed, the cooling bath 8 is equipped with cold close to internal side inside the ceramic fibre seat 407
But pipe 801,801 outer wall of the cooling tube are provided with arc heat-conducting silicone grease plate 805, and if cooling tube 801 close to the inner portion side by
Dry bending copper sheet 802 and molding mixing drum 14 are through connection, and 8 top of cooling bath is connected with Ventilated seat 803, all ventilations
It is fixedly connected by hollow circular seat 804 between seat 803,804 side of hollow circular seat is equipped with several cooling blowers
806, after carrying out heating work, cooling treatment is carried out by cooling bath 8, temperature is rationally reduced, is provided for the molding of product
Sufficient preparation.
Specific works are as follows：Being initially positioned at cooling tube 801, the bending copper sheet 802 of side is passed through with molding mixing drum 14 close to the inner portion
Connection is worn, the heat inside mixing drum 14 is molded and is transferred to inside cooling tube 801 by multiple bending copper sheets 802, through supercooling
Liquid inside pipe 801 carries out hot transmission, is transferred to the arc thermal conductive silicon of 801 outer wall of cooling tube after heat transmission to liquid again
Fat plate 805, and the Ventilated seat 803 on 8 top of cooling bath, under the wind-force effect of cooling blower 806, the wind of annular hollow base 804
Power is blown by Ventilated seat 803 inside cooling bath 8, after entering 8 inside of cooling bath, accelerates the air inside cooling bath 8
Flowing so that the heat on the arc heat-conducting silicone grease plate 805 of 801 outer wall of cooling tube is cooled rapidly, so that arc heat conduction
Silicone grease plate 805 continues to absorb the liquid heat inside cooling tube 801, realizes circulating cooling.
801 bottom end of the cooling tube is respectively connected with the seat 807 that draws water, and 807 side of seat of drawing water is connected with water storage seat 808,
Suction pump 809 and draining pump 810 are installed inside the seat 807 that draws water, the suction pump 809 passes through water inlet pipe 15 and water storage seat
808 connections, the draining pump 810 are connect by drainpipe 811 with the seat 807 that draws water, and water storage seat 808 is inside cooling tube 801
Cooling liquid is provided, when needs, is pumped into 808 internal coolant of water storage seat by the water inlet pipe 15 of suction pump 809
Inside water seat 807,801 inside of cooling tube is filled, is convenient for continuing cooling work；When need not cool down, pass through
Liquid inside the seat 807 that draws water is extracted out, is drained into inside water storage seat 808 so that whole by the pumping action of suction pump 809 outward
A cooling tube 801 loses liquid, while cooling blower 806 is also stopped, you can so that cooling work stops, realizing cooling
Controllableization can fully meet production and processing demand.
Ultrasonic oscillator 19 is installed inside the product line frame 15, after completing to produce and process, passes through ultrasound
The sonic oscillation effect that wave oscillator 19 generates so that being adsorbed on the remaining adhesive of molding 14 inner wall of mixing drum can fall off,
The utilization rate for improving raw material also allows for carrying out cleaning.
14 bottom end of molding mixing drum is connected with molding sub-material component 7, the molding sub-material component 7 include mounted at
The sub-feed tube 701 of 14 side bottom of type mixing drum is equipped with flowmeter 702,701 end of the sub-feed tube on the sub-feed tube 701
End is connected with VERTICAL TUBE 703, and 703 top of the VERTICAL TUBE is equipped with sealing end seat 704,704 bottom end of the sealing end seat connection
There are electric pushrod 705,705 bottom end of the electric pushrod to be connected with sealing-plug 706, after the molding of raw material stirring and processing, passes through
Sub-material component 7 is molded by molding material according to quantitative discharge, realizes the rationed of product.
Product after overmolding is discharged by being molded the sub-feed tube 701 of 14 bottom of mixing drum, by flowmeter 702 into
Row metering, convenient for understanding the amount of discharge, and the adhesive finished product being discharged is discharged by VERTICAL TUBE 703, when discharge, is led to
The impetus of electric pushrod 705 is crossed, sealing-plug 706 moves up and down inside VERTICAL TUBE 703, when not needing discharge
(after i.e. flowmeter 702 detects that discharge reaches a certain amount of), electric pushrod 705 pull sealing-plug 706 to the end of sub-feed tube 701
Outlet port is held, to block sub-feed tube 701, stops discharge, realizes being precisely controlled for discharge.
It further illustrates, in the present embodiment, the quantity of sub-feed tube 701 is two, and a caliber is larger, a pipe
Diameter is smaller, and the larger sub-feed tube 701 of caliber first directly feeds, and after the addition was complete, then passes through the smaller sub-feed tube 701 of caliber
The supplement for further carrying out product prevents the case where giving short measure, and cooperation works two sub-feed tubes 701 jointly, carries
High charging precision, and the structure and operation principle all same of two sub-feed tubes 701.
The packing tube 12 transported by shipping platform 11 constantly transports, and passes through the sub-feed tube of Large Diameter Pipeline 701 and tubule respectively
The sub-feed tube 701 of diameter carries out conveying, it is ensured that the inventory control inside packing tube 12 is more accurate.
103 top of the material guiding hopper is mounted on sealing cover 104, and diversion pipe 105 is connected on the sealing cover 104, and
101 outer wall of major ingredient cylinder and time 102 outer wall of barrel are mounted on insulating layer 106, and the insulating layer 106 is internally provided with dual
Heat insulation felt 107, and each 101 outer wall of major ingredient cylinder and time 102 outer wall of barrel are mounted on strip shaped glass window 108, the bar shaped
108 side wall of windowpane is provided with luminous framework 109, and on the other hand, material is entered by diversion pipe 105 inside water conservancy diversion bucket 103,
It is mounted on insulating layer 106 using 101 outer wall of major ingredient cylinder and time 102 outer wall of barrel and carries out isothermal holding, dual heat insulation felt 107 carries
High heat insulation, plays a good protective effect to raw material, and utilizes 108 side of strip shaped glass window with the framework 109 that shines
Just the case where observing the raw material inside major ingredient cylinder 101 and time barrel 102, is easy to implement the observation of raw material, understands the use of raw material
Situation.
As shown in figures 1 to 6, temperature control system 9, temperature control system are installed outside the molding mixing drum 14
System 9 includes core processor 901 and several pin the temperature sensor 902 to navigate in molding 14 inside different location of mixing drum,
The temperature sensor 902 and flowmeter 702 are electrically connected by signal adapter 903 and 901 input terminal of core processor,
And 901 output end of core processor is electrically connected with driving motor 905, the driving motor 905 by motor-drive circuit 904
It is connect with electric pushrod 705 and power is provided, and 901 output end of core processor is connected with power controller 906.
The temperature inside molding mixing drum 14 is controlled using temperature control system 9, it is ensured that temperature meets the requirements, real
Now accurately heat.
First with multiple temperature sensors 902 for being mounted on molding 14 inside different location of mixing drum to being molded mixing drum
Temperature inside 14 is detected, and takes the average value of multiple testing results to improve the accuracy of temperature detection, and flowmeter 702
By the amount of the raw material of sub-feed tube 701, temperature signal and flow signal are transferred to core by signal adapter 903 respectively for detection
Processor 901 carries out analyzing processing, and the core processor 901 specifically uses AT89C52 microcontrollers, when detecting that temperature is more than
When the temperature of preparation process, power supply that core processor 901 passes through the box-like heating component of 906 control group of power controller 4
Power adjusts the heating power of Combined type heating component 4 by adjusting power supply power, rationally adjusts temperature.
On the other hand, when flowmeter 702 detects that discharge product reaches set amount, core processor 901 exports
End controls driving motor 905 by motor-drive circuit 904, and driving motor 905 directly carries out electric pushrod 705
Stroke Control controls the flexible of electric pushrod 705 so that electric pushrod 705 pushes sealing-plug 706 will by driving motor 905
Sub-feed tube 701 is blocked, and realizes the quantitative discharge of finished product materials.
Embodiment 2
A kind of formula of environment-friendly water-based polyurethane adhesive, formula are made of according to parts by weight the following raw material：
10 parts of aromatic isocyanate, 5 parts of polyester polyol, 10 parts of polyether polyol, 2 parts of catalyst, dimethyl formyl
15 parts of amine solvent, 3 parts of dihydromethyl propionic acid, 1 part of acetone, 5 parts of polyisocyanates, 6 parts of organic silicon solvent, 4 parts of epoxy resin, fluorine
10 parts of alkyl polymer lotion, 1 part of sealer, 8 parts of tackifier.
A kind of formula of environment-friendly water-based polyurethane adhesive, formula are made of according to parts by weight the following raw material：
15 parts of aromatic isocyanate, 10 parts of polyester polyol, 15 parts of polyether polyol, 4 parts of catalyst, dimethyl formyl
20 parts of amine solvent, 6 parts of dihydromethyl propionic acid, 2 parts of acetone, 7 parts of polyisocyanates, 8 parts of organic silicon solvent, 6 parts of epoxy resin, fluorine
12 parts of alkyl polymer lotion, 2 parts of sealer, 9 parts of tackifier.
A kind of formula of environment-friendly water-based polyurethane adhesive, formula are made of according to parts by weight the following raw material：
20 parts of aromatic isocyanate, 15 parts of polyester polyol, 20 parts of polyether polyol, 6 parts of catalyst, dimethyl formyl
25 parts of amine solvent, 9 parts of dihydromethyl propionic acid, 3 parts of acetone, 5-9 parts of polyisocyanates, 10 parts of organic silicon solvent, epoxy resin 8
Part, 14 parts of fluoroalkyl polymer emulsion, 3 parts of sealer, 10 parts of tackifier.
In said program, the catalyst specifically uses NCO/OH catalysts and NCO/H2O catalysts, NCO/
OH catalysts and NCO/H2The mass ratio of O catalysts is 1: 2；The sealer specifically use acids, tertiary alcohols,
Any one in sulphite and acetates；The organic silicon solvent includes amido silicon oil, hydroxy silicon oil, amino or alcoxyl
One or more of the silane coupling agent of cardinal extremity envelope；The tackifier are specifically by vinyltriethoxysilane, trifluoromethyl
Sulfonic acid, acrylic glycidol ether, platinum catalyst, aluminate coupling agent, diethyl fumarate inhibitor and aluminium isopropoxide mixing
It is prepared；The controlling pH of the polyester polyol is best with 0.6 ± 0.05mgKOH/g in 0.5-0.7mgKOH/g.
Compared with prior art, the beneficial effects of the invention are as follows：Polyurethane molecular chain is reduced by the epoxy resin of addition
In ionic group, expand crosslinked, branched, enhance the water resistance and chemical-resistant of adhesive after molding, while organosilicon is molten
The addition of agent can well solve the defect of aqueous polyurethane hydrolytic resistance difference, to enhance hating for Aqueous Polyurethane Adhesives
Aqueous, surface enrichment, low-temperature flexibility and biological stability, and after fluoroalkyl polymer emulsion is added, utilize fluorine atom
The feature that radius is small, electronegativity chamber, carbon-fluorine bond bond energy are high, on the Aqueous Polyurethane Adhesives of finished product, fluorine-containing side chain is orientated court
It is outer and align, shielding protection is formed to main chain and interior molecules, effectively increase shaped article coating for low-surface-energy
Property, lubricity, hydro-oleophobicity, anti-stain characteristic and biocompatibility so that Aqueous Polyurethane Adhesives performance obtained is more preferable,
Practicability is stronger.
As shown in figure 8, a kind of preparation method of environment-friendly water-based polyurethane adhesive, includes the following steps：
S100, raw material proportioning configure the raw material to be used in above-mentioned formula in proportion, are placed in sealing state, especially
It is that polyester polyol is easy to moisture absorption, needs to prevent moisture from entering during preserving.
S200, raw material mixing, by the polyester polyol prepared, aromatic isocyanate, polyether polyol and dimethyl methyl
Amide solvent puts into the molding mixing drum equipped with electric mixing device simultaneously, while catalyst is added and is filled with nitrogen, will be interior
The excessive gas in portion excludes completely, and heating temperature is dehydrated 2-3h in a vacuum to 170-180 DEG C, is cooled to 110-120 DEG C,
Dihydromethyl propionic acid and solvent dimethylformamide is added, is combined by dihydromethyl propionic acid and solvent dimethylformamide
Mode effectively improves the viscosity of the adhesive for polyurethane solution after molding.
S300, stirring molding stir 1-2h using electric mixing device to the raw material being added in molding mixing drum, and stirring turns
Speed control is in 2000-3000r/min, and in stirring, molding mixing drum internal temperature control is at 140-150 DEG C；
S400, charging are modified, after the completion of stirring, to molding mixing drum inside be gradually added dihydromethyl propionic acid, more
Isocyanates, organic silicon solvent, epoxy resin and fluoroalkyl polymer emulsion, continue to stir, and speed of agitator is controlled in 3000-
4000r/min, temperature are controlled at 80-90 DEG C.
The propionic acid prepared is added inside molding mixing drum in S500, mixed-forming, and stirring 10-15min emulsification pretreatments are to mixed
It closes uniformly, is cooled to room temperature and obtains Aqueous Polyurethane Adhesives liquid.
It further illustrates, in the step S200 to step S400, temperature control passes through external Combined type heating
Mechanism 4 is heated, and the Combined type heating component 4 includes the heated seats 401 for being mounted on 14 bottom end of molding mixing drum, described to add
Iron core column 402 is installed, uniform winding has electromagnetic coil 403 in the iron core column 402, and is molded mixing drum inside hot seat 401
14 outer walls are equipped with cartridge heater 404, and 404 inner homogeneous of the cartridge heater is equipped with several heating tanks 405, the heating tank
Infrared ray heating tube 406 is installed inside 405, and is isolated by ceramic fibre seat 407 between adjacent heating tank 405.
It is right by Combined type heating mechanism 4 at this time due to being heated in step S200 to step S400
Raw material inside molding mixing drum 14 is heated, and can not only be rapidly achieved ideal temperature, but also compared to tradition
Resistance heating manner, the mode of heating more directly and quickly, can effectively improve the utilization rate of thermal energy.
When specific heating, electromagnetism is carried out by the vortex phenomenon of the electromagnetic coil 403 inside the heated seats 401 of bottom and is added
Heat, heat directly act on molding mixing drum 14 inside raw material, and electromagnetic coil 403 generation electric current radially at
14 inside distribution of type mixing drum so that heat disperses more uniform and complete inside molding mixing drum 14, relative to traditional list
One resistance heating manner effectively increases the utilization rate of heat；On the other hand, it is not only heated by bottom, corresponding molding
The outer wall of mixing drum 14 directly carries out infrared heating, infrared ray by multiple infrared ray heating tubes 406 inside cartridge heater 404
The heat that heating tube 406 generates, uniformly to its internal radiation, greatly improves whole add from the outer wall for being molded mixing drum 14
Thermal effect efficiently solves the problems, such as to be easy in traditional heating mode, there are local heating's unevenness, to effectively prevent raw material because of office
Portion's uneven heating and occur part prepare be not molded or occur go bad, improve the ratio of briquetting of raw material.
Cooling bath 8 is installed, the cooling bath 8 is equipped with cold close to internal side inside the ceramic fibre seat 407
But pipe 801,801 outer wall of the cooling tube are provided with arc heat-conducting silicone grease plate 805, and if cooling tube 801 close to the inner portion side by
Dry bending copper sheet 802 and molding mixing drum 14 are through connection, and 8 top of cooling bath is connected with Ventilated seat 803, all ventilations
It is fixedly connected by hollow circular seat 804 between seat 803,804 side of hollow circular seat is equipped with several cooling blowers
806, and 801 bottom end of the cooling tube is respectively connected with the seat 807 that draws water, 807 side of seat of drawing water is connected with water storage seat 808, institute
It states and suction pump 809 and draining pump 810 is installed inside the seat 807 that draws water, the suction pump 809 passes through water inlet pipe 15 and water storage seat
808 connections, the draining pump 810 are connect by drainpipe 811 with the seat 807 that draws water.
And after completing to heat, since to treated, raw material carries out cooling treatment to follow-up step needs, lead at this time
It crosses the easily controllable type of cooling to be cooled down, realizes controllableization and adjustableization of entire preparation process, convenient for freely carrying out
Operation.
Being initially positioned at cooling tube 801, the bending copper sheet 802 of side with molding mixing drum 14 through connection, stir by molding close to the inner portion
It mixes the heat inside cylinder 14 to be transferred to inside cooling tube 801 by multiple bending copper sheets 802, by the liquid inside cooling tube 801
Body carries out hot transmission, is transferred to the arc heat-conducting silicone grease plate 805 of 801 outer wall of cooling tube after heat transmission to liquid again, and cold
But the Ventilated seat 803 on 8 top of slot, under the wind-force effect of cooling blower 806, the wind-force of annular hollow base 804 passes through Ventilated seat
803 are blown into inside cooling bath 8, after entering 8 inside of cooling bath, accelerate the air flowing inside cooling bath 8 so that cooling
Heat on the arc heat-conducting silicone grease plate 805 of 801 outer wall of pipe is cooled rapidly, so that arc heat-conducting silicone grease plate 805 continues
The liquid heat inside cooling tube 801 is absorbed, realizes circulating cooling.
And water storage seat 808 is to provide cooling liquid inside cooling tube 801, when needs, passes through the water inlet of suction pump 809
808 internal coolant of water storage seat is pumped into inside the seat 807 that draws water by pipe 15, and 801 inside of cooling tube is filled, is convenient for continuing
Cooling work.
And when specifically carrying out preparation process, the heating process of beginning need not cool down, and cooling blower 806 stops at this time
It only works, and the liquid inside cooling tube 801 is pumped into water storage seat 808 by suction pump 809, loses the cooling tube of conduction liquid
801 are difficult to transmit heat, and to play the role of cooling partition, and cooling blower 806 is also stopped, and reduce air velocity, make
Heat be difficult to scatter and disappear, to realize cooling controllableization, complete prepare when, realize cooling work startup at any time and
Stop at any time, realizes the stability contorting of preparation process.
The present invention tests the performance of Aqueous Polyurethane Adhesives obtained using following method：
Test method：It chooses above-mentioned according to preparation method obtained three samples in different embodiments, records respectively
For sample 1, sample 2, sample 3, then take the Aqueous Polyurethane Adhesives prepared using common method as a comparison sample, to it
Properties are tested, including：Coefficient of softing, anti-uv-ray, adhesion strength and drying time (s), test result is such as
Under：
| Coefficient of softing K | Anti-uv-ray | Adhesive strength | Drying time | |
| Contrast sample | 0.76 | Generally | Generally | 60 |
| Sample 1 | 0.86 | By force | It is high | 40 |
| Sample 2 | 0.90 | By force | It is high | 32 |
| Sample 3 | 0.88 | By force | It is high | 35 |
Test result：It can be seen that the soft of Aqueous Polyurethane Adhesives disclosed by the invention from the test of upper several samples
Change coefficient, anti-uv-ray, adhesion strength and drying time are all greatly improved, this is selected in the embodiment of the present invention
Important parameter testing is selected as a result, being not restricted to the improvement of other relevant performance parameters of the present invention.
The present invention also provides a kind of tackifier preparation methods of Aqueous Polyurethane Adhesives, include the following steps：
S100, raw material preparation and pretreatment, it would be desirable to the vinyltriethoxysilane used, trifluoromethane sulfonic acid, third
Alkenyl glycidol ether, platinum catalyst, aluminate coupling agent, diethyl fumarate inhibitor and aluminium isopropoxide are according to a certain percentage
Configuration, and it is preheated to 90-100 DEG C.
S200, raw material are mixed, and the vinyltriethoxysilane configured, trifluoromethane sulfonic acid, acrylic are contracted
Sealed container interior stirring is added in water glycerin ether raw material, increases temperature to 120-130 DEG C, decompression vacuum pumping 20-30min is kept to take
Go out low-boiling-point substance.
S300, auxiliary material be added, by the platinum catalyst configured, aluminate coupling agent, diethyl fumarate inhibitor and and
Sealing container is added in aluminium isopropoxide, disperses 40-50min with 1000-1200r/min to be uniformly mixed by high speed dispersor
Object.
S400, degassing be cooled and shaped, obtained homogeneous mixture is put into vacuum equipment, be evacuated to -0.90MPa to -
Bubble is removed between 0.80MPa, is cooled to room temperature, and existing bubble is effectively eliminated by way of vacuumizing degassing, after raising
Continue molding product quality,
In the step S200, mixing time control is controlled in 50-60min, motor speed in 2000-3000r/min.
It should be added that aluminium isopropoxide as anti-poisoning dose, can play safeguard protection work in preparation process
With.
Test method：It chooses the above-mentioned sample according to obtained by preparation method and is denoted as sample 4, then take using common method
The tackifier of preparation are as a comparison sample, test its properties, including：Heat resisting temperature (DEG C), anti-uv-ray,
Adhesion strength, water resistance and drying time (s), test result is as follows：
| Heat resisting temperature | Anti-uv-ray | Adhesive strength | Water resistance | Drying time | |
| Contrast sample | 70 | Generally | Generally | Generally | 40 |
| Sample 4 | 90 | By force | It is high | By force | 30 |
Test result：From the test of upper several samples as can be seen that tackifier disclosed by the invention stick agent heat resisting temperature,
Anti-uv-ray, adhesion strength, water resistance and drying time are all greatly improved, this is selected in the embodiment of the present invention
Important parameter testing is selected as a result, being not restricted to the improvement of other relevant performance parameters of the present invention.
It completes after preparing, Aqueous Polyurethane Adhesives is coated by painting method, a kind of water-borne polyurethane bond
The painting method of glutinous agent, includes the following steps：
S100, product pretreatment, it would be desirable to which the Aqueous Polyurethane Adhesives of coating are placed in the box container of opening
Portion, and repeatedly stirring 10-20min to be uniformly mixed；
S200, it directly coats, uniformly mixed adhesive is sticked in major diameter paint roller, the continuous of major diameter paint roller is passed through
Rotation coats workpiece surface, and major diameter paint roller and workpiece surface critical contact are kept when coating；
S300, coating compensation after completing major diameter painting roll coating, continue to coat using the constantly rotation of minor diameter paint roller,
Until workpiece surface fills completely；
S400, drying forming dry the workpiece surface after coating, by the circulating drying of electric calorifier, when drying
Between be 2-3min, drying temperature is maintained at 80-90 DEG C.
In step S200, uniformly mixed adhesive carries out viscose glue by viscose glue roller, between major diameter paint roller and viscose glue roller
It contacts with each other and carries out the transfer of adhesive.
It further illustrates, is cooperated and compensated by dual-coating mode, avoided when adhesive coats
It waits and the case where part is omitted occurs, improve the comprehensive of coating, and can be dried with Quick uniform after coating, improve coating matter
Amount greatly improves the adhesive coverage rate after coating compared to traditional single application mode.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of formula of environment-friendly water-based polyurethane adhesive, it is characterised in that：It is made of the following raw material according to parts by weight：
10-20 parts of aromatic isocyanate, 5-15 parts of polyester polyol, 10-20 parts of polyether polyol, 2-6 parts of catalyst, diformazan
15-25 parts of base formamide solvent, 3-9 parts of dihydromethyl propionic acid, 1-3 parts of acetone, 5-9 parts of polyisocyanates, organic silicon solvent 6-
10 parts, 4-8 parts of epoxy resin, 10-14 parts of fluoroalkyl polymer emulsion, 1-3 parts of sealer, 8-10 parts of tackifier.
2. a kind of formula of environment-friendly water-based polyurethane adhesive according to claim 1, it is characterised in that：According to weight
Number is made of the following raw material：
15 parts of aromatic isocyanate, 10 parts of polyester polyol, 15 parts of polyether polyol, 4 parts of catalyst, dimethylformamide is molten
20 parts of agent, 6 parts of dihydromethyl propionic acid, 2 parts of acetone, 7 parts of polyisocyanates, 8 parts of organic silicon solvent, 6 parts of epoxy resin, fluoroalkyl
12 parts of polymer emulsion, 2 parts of sealer, 9 parts of tackifier.
3. a kind of formula of environment-friendly water-based polyurethane adhesive according to claim 1, it is characterised in that：The catalysis
Agent specifically uses NCO/OH catalysts and NCO/H2O catalysts, NCO/OH catalysts and NCO/H2O reactions are urged
The mass ratio of agent is 1: 2.
4. a kind of formula of environment-friendly water-based polyurethane adhesive according to claim 1, it is characterised in that：The closing
Agent specifically uses any one in acids, tertiary alcohols, sulphite and acetates.
5. a kind of formula of environment-friendly water-based polyurethane adhesive according to claim 1, it is characterised in that：It is described organic
Siloxane solvent includes one or more of the silane coupling agent of amido silicon oil, hydroxy silicon oil, amino or alkoxy end seal.
6. a kind of formula of environment-friendly water-based polyurethane adhesive according to claim 1, it is characterised in that：The thickening
Agent is specifically coupled by vinyltriethoxysilane, trifluoromethane sulfonic acid, acrylic glycidol ether, platinum catalyst, Aluminate
Agent, diethyl fumarate inhibitor and aluminium isopropoxide are mixed with.
7. a kind of formula of environment-friendly water-based polyurethane adhesive according to claim 1, it is characterised in that：The polyester
The controlling pH of polyalcohol is best with 0.6 ± 0.05mgKOH/g in 0.5-0.7mgKOH/g.
8. a kind of preparation method of environment-friendly water-based polyurethane adhesive, it is characterised in that：Include the following steps：
The raw material to be used in above-mentioned formula is configured, is placed in sealing state by S100, raw material proportioning in proportion；
S200, raw material mixing, by the polyester polyol prepared, aromatic isocyanate, polyether polyol and dimethylformamide
Solvent puts into the molding mixing drum equipped with electric mixing device simultaneously, while catalyst is added and is filled with nitrogen, heating temperature
To 170-180 DEG C, and it is dehydrated 2-3h in a vacuum, is cooled to 110-120 DEG C, dihydromethyl propionic acid and dimethylformamide is added
Solvent；
S300, stirring molding stir 1-2h, speed of agitator control using electric mixing device to the raw material being added in molding mixing drum
System is in 2000-3000r/min, and in stirring, molding mixing drum internal temperature control is at 140-150 DEG C；
S400, charging are modified, and after the completion of stirring, dihydromethyl propionic acid, polyisocyanate cyanogen are gradually added to being molded inside mixing drum
Acid esters, organic silicon solvent, epoxy resin and fluoroalkyl polymer emulsion, continue to stir, and speed of agitator is controlled in 3000-4000r/
Min, temperature are controlled at 80-90 DEG C.
S500, mixed-forming, are added the propionic acid prepared inside molding mixing drum, and stirring 10-15min emulsification pretreatments are equal to mixing
It is even, it is cooled to room temperature and obtains Aqueous Polyurethane Adhesives liquid.
9. a kind of preparation method of environment-friendly water-based polyurethane adhesive according to claim 8, it is characterised in that：It is described
In step S200 to step S400, temperature control is heated by external Combined type heating mechanism (4), and the combined type adds
Hot component (4) includes the heated seats (401) for being mounted on molding mixing drum (14) bottom end, is equipped with inside the heated seats (401)
Iron core column (402), uniform winding has electromagnetic coil (403) on the iron core column (402), and is molded the installation of mixing drum (14) outer wall
There are cartridge heater (404), cartridge heater (404) inner homogeneous that several heating tanks (405), the heating tank (405) are installed
Inside is equipped with infrared ray heating tube (406), and is isolated by ceramic fibre seat (407) between adjacent heating tank (405).
10. a kind of preparation method of environment-friendly water-based polyurethane adhesive according to claim 9, it is characterised in that：Institute
It states and cooling bath (8) is installed inside ceramic fibre seat (407), the cooling bath (8) is equipped with cooling tube close to internal side
(801), cooling tube (801) outer wall is provided with arc heat-conducting silicone grease plate (805), and side is logical close to the inner portion for cooling tube (801)
Several bending copper sheets (802) are crossed with molding mixing drum (14) through connection, and cooling bath (8) top is connected with Ventilated seat
(803), it is fixedly connected by hollow circular seat (804) between all Ventilated seats (803), hollow circular seat (804) side
Face is equipped with several cooling blowers (806), and the cooling tube (801) bottom end is respectively connected with the seat that draws water (807), described to draw water
Seat (807) side is connected with water storage seat (808), and suction pump (809) and draining pump are equipped with inside the seat that draws water (807)
(810), the suction pump (809) is connect by water inlet pipe (15) with water storage seat (808), and the draining pump (810) passes through draining
Pipe (811) is connect with the seat that draws water (807).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810536862.4A CN108641663A (en) | 2018-05-29 | 2018-05-29 | A kind of environment-friendly water-based polyurethane adhesive and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372845A (en) * | 2019-07-23 | 2019-10-25 | 潍坊科技学院 | A kind of preparation method of environment-friendly water-based polyurethane adhesive |
| CN111117550A (en) * | 2019-12-31 | 2020-05-08 | 江苏华信新材料股份有限公司 | Preparation method of adhesive for mirror substrate compounding |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033287A (en) * | 2007-03-27 | 2007-09-12 | 中山大学 | High solid content water polyurethane adhesive for non-absorbability base material and preparing method |
| CN102911635A (en) * | 2012-11-09 | 2013-02-06 | 北京化工大学 | Energy-saving and environment-friendly tire sealant and manufacturing method thereof |
| CN103382380A (en) * | 2013-07-24 | 2013-11-06 | 张运泉 | Two-component waterborne polyurethane adhesive and preparation method thereof |
| CN103881640A (en) * | 2014-03-27 | 2014-06-25 | 山东华诚高科胶粘剂有限公司 | Preparation method of single-component water-based polyurethane adhesive for use in flexible package compounding |
| CN104119831A (en) * | 2014-07-29 | 2014-10-29 | 上海揽胜绿色材料科技有限公司 | Waterborne polyurethane adhesive applied to RFID (radio frequency identification devices) antenna lamination and preparation method thereof |
| CN105400446A (en) * | 2015-12-18 | 2016-03-16 | 东莞市贝特利新材料有限公司 | Tackifier for high-refractive index LED liquid casting glue and preparation method thereof |
-
2018
- 2018-05-29 CN CN201810536862.4A patent/CN108641663A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033287A (en) * | 2007-03-27 | 2007-09-12 | 中山大学 | High solid content water polyurethane adhesive for non-absorbability base material and preparing method |
| CN102911635A (en) * | 2012-11-09 | 2013-02-06 | 北京化工大学 | Energy-saving and environment-friendly tire sealant and manufacturing method thereof |
| CN103382380A (en) * | 2013-07-24 | 2013-11-06 | 张运泉 | Two-component waterborne polyurethane adhesive and preparation method thereof |
| CN103881640A (en) * | 2014-03-27 | 2014-06-25 | 山东华诚高科胶粘剂有限公司 | Preparation method of single-component water-based polyurethane adhesive for use in flexible package compounding |
| CN104119831A (en) * | 2014-07-29 | 2014-10-29 | 上海揽胜绿色材料科技有限公司 | Waterborne polyurethane adhesive applied to RFID (radio frequency identification devices) antenna lamination and preparation method thereof |
| CN105400446A (en) * | 2015-12-18 | 2016-03-16 | 东莞市贝特利新材料有限公司 | Tackifier for high-refractive index LED liquid casting glue and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110372845A (en) * | 2019-07-23 | 2019-10-25 | 潍坊科技学院 | A kind of preparation method of environment-friendly water-based polyurethane adhesive |
| CN111117550A (en) * | 2019-12-31 | 2020-05-08 | 江苏华信新材料股份有限公司 | Preparation method of adhesive for mirror substrate compounding |
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Application publication date: 20181012 |