CN114149724A

CN114149724A - Non-ionic water-based epoxy resin emulsion and preparation method thereof

Info

Publication number: CN114149724A
Application number: CN202111610656.1A
Authority: CN
Inventors: 李文养; 刘艳; 朱小勇
Original assignee: Huangshan Liangu New Material Technology Co ltd
Current assignee: Huangshan Liangu New Material Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-03-08
Anticipated expiration: 2041-12-27
Also published as: CN114149724B

Abstract

The invention discloses a non-ionic water-based epoxy resin emulsion and a preparation method thereof, wherein the preparation method comprises the following steps: the method comprises the following steps: mixing macromolecular polyoxyethylene and liquid epoxy resin raw materials; step two: adding a chain extender and a toughening agent into the other part of the bisphenol A epoxy resin for mixing; step three: pouring the materials prepared in the first step and the second step into high-speed shearing equipment; the high-speed shearing equipment in the third step comprises a base, wherein a shearing tank is arranged above the base, and one end of the positioning ring is positioned in the positioning groove; further comprising: and the bottom of the transverse moving rod is arranged in the positioning groove through a transverse moving spring. According to the nonionic water-based epoxy resin emulsion and the preparation method thereof, deionized water is uniformly added, and the emulsion and the deionized water are subjected to high-speed shearing, so that uniform mixing is ensured, and the conditions of emulsion aggregation and bubbles are avoided.

Description

Non-ionic water-based epoxy resin emulsion and preparation method thereof

Technical Field

The invention relates to the technical field of preparation of waterborne epoxy resin emulsion, in particular to nonionic waterborne epoxy resin emulsion and a preparation method thereof.

Background

A kind of anticorrosive paint of aqueous epoxy resin, is mainly used in industries such as the car coating, medical treatment and building, in the preparation process of aqueous epoxy resin, divide into mechanical method, chemical modification method and phase inversion method, etc., make non-ionic aqueous epoxy resin emulsion, mostly adopt chemical modification method and phase inversion method, through charging in and mixing, at certain temperature, react and prepare to get final product, but there are the following problems in the preparation method of the existing non-ionic aqueous epoxy resin emulsion while using;

the existing nonionic aqueous epoxy resin emulsion needs to be added with deionized water and subjected to shearing and mixing to realize the preparation of the emulsion, but the existing nonionic aqueous epoxy resin emulsion is usually slowly dripped with deionized water and subjected to high-speed shearing during the preparation, so that the deionized water is inconvenient to be uniformly dispersed in the emulsion to influence the integral forming of the emulsion, and meanwhile, the existing nonionic aqueous epoxy resin emulsion is prepared, and during the mixing, the emulsion is easy to agglomerate and float on the surface around the barrel wall under the conditions of centrifugal force, shearing force and the like, so that the effective phase inversion is difficult to perform, and meanwhile, bubbles are easy to appear during the mixing, so that the uniform forming of the emulsion is inconvenient to realize, and the subsequent storage and use of the emulsion are influenced.

Aiming at the problems, innovative design is urgently needed on the basis of the original preparation method of the nonionic water-based epoxy resin emulsion.

Disclosure of Invention

The invention aims to provide a nonionic aqueous epoxy resin emulsion and a preparation method thereof, and aims to solve the problems that deionized water is inconvenient to be uniformly dispersed in the emulsion and the emulsion is inconvenient to be uniformly formed when the nonionic aqueous epoxy resin emulsion is prepared in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of nonionic water-based epoxy resin emulsion comprises the following steps:

the method comprises the following steps: mixing macromolecular polyoxyethylene and liquid epoxy resin raw materials, heating to 85-95 ℃, adding a catalyst, stirring, gradually cooling to 65-75 ℃, keeping constant temperature, dropwise adding amino-terminated polyether, and carrying out mixing reaction;

step two: adding a chain extender and a toughening agent into the other part of bisphenol A epoxy resin for mixing, and adding a triphenylphosphine catalyst for addition reaction;

step three: pouring the materials prepared in the first step and the second step into high-speed shearing equipment, adding deionized water for heating and mixing, carrying out high-speed shearing and heating reaction, and stirring at a reduced speed for 20min after phase inversion occurs to obtain a nonionic water-based epoxy resin emulsion;

the high-speed shearing equipment in the third step comprises a base, wherein a shearing tank is arranged above the base, the upper end and the lower end of the shearing tank are respectively provided with a valve material guide port, positioning rings are fixed on two sides of the middle part of each valve material guide port, a heater is fixed on the outer side of the shearing tank, one end of each positioning ring is positioned in each positioning groove, and each positioning groove is arranged at the top of the base;

further comprising:

the bottom of the traverse rod is mounted in the positioning groove through a traverse spring, a mounting sleeve is fixed at the top of the traverse rod, a shearing shaft is movably mounted in the mounting sleeve in an embedded mode, the middle of the shearing shaft is located in the shearing tank, shearing blades distributed in a spiral mode are sleeved in the middle of the shearing shaft, shearing blades are welded on the shearing shaft and the shearing blades, and capillary centrifugal holes are formed in gaps on the outer side of the middle of the shearing shaft at equal angles;

the motor is fixed at the top of the mounting sleeve, the output end of the motor is connected with a main gear, the inner side and the outer side of the main gear are respectively meshed with a guide gear and a toothed ring, the guide gear is fixedly sleeved on the shearing shaft, the toothed ring is welded on the lateral side of the shearing tank, the inner wall of the shearing tank is embedded with a dispersing shaft in a rotating mode, a dispersing plate is arranged outside the dispersing shaft, a rotating shaft of the dispersing plate is movably arranged on the inner wall of the shearing tank, and a supporting spring is fixed between the inner side of the dispersing plate and the inner wall of the shearing tank;

the piston, the piston is installed in shearing the axle, and the outer end of piston is fixed with the push rod to there is the fixed block at the top of push rod through the embedded movable mounting of expanding spring, the one end of fixed block is located the fixed slot, and the fixed slot is seted up on the inner wall of shearing the axle, the one end of push rod runs through in the top of pole setting, and the pole setting is fixed in the top edge of base.

Preferably, the outside of holding ring is fixed with the push pedal, and the cross-section of holding ring is "Contraband" font structural design to the holding ring laminating slides in the constant head tank, the holding ring symmetry is provided with two on shearing jar, and the diameter of shearing jar is steadilyd decrease to both sides by the middle part, and the distribution position of push pedal is crisscross on two holding rings, and the slip of holding ring in the constant head tank can keep shearing jar stable the rotation, and the holding ring can drive the push pedal activity simultaneously, and the shape design of shearing jar makes things convenient for the emulsion in turning over with shearing jar lateral wall contact, evenly drops.

Preferably, the avris of push pedal is the protruding structural design of arc, and the movable track of push pedal intersects with the sideslip pole to the tip avris slope of sideslip pole sets up, and the avris of sideslip pole is protruding form and passes through the sideslip spring and laminate the slip in the constant head tank, and sideslip pole symmetry is provided with two simultaneously, and the push pedal contacts with the sideslip pole in the activity, promotes the sideslip pole and steadily slides in the constant head tank, makes the sideslip pole can drive the shearing axis through the installation cover and remove, and the reciprocal activity in clearance can be realized to two sideslip pole cooperation push pedals simultaneously.

Preferably, the dispersion shaft is provided with helical blades with opposite end directions, the two ends of the dispersion shaft rotate mutually through the middle rotating shaft structure, when emulsion reaches the dispersion shaft, the helical blades on the dispersion shaft drive the dispersion shaft to rotate, and the helical blades in opposite directions disperse the emulsion.

Preferably, the dispersion board is the slope form and passes through supporting spring elastic rotation in shearing jar, and the section of overlooking of dispersion board is arc structural design to the dispersion board symmetry sets up on the inner wall of shearing jar, and the dispersion board is rotated by the gravity compression of emulsion, and when the dispersion board rotated to the top, cooperation supporting spring can reset, disperses the emulsion.

Preferably, embedded movable mounting has the activity post in the push rod, and is fixed with the stay cord between activity post and the fixed block, when rotating the activity post, can drive the fixed block through the stay cord and break away from with the fixed slot, conveniently takes push rod and piston out, adds the deionized water to shearing the epaxial.

Preferably, the fixed block passes through expanding spring elastic sliding on the push rod, and the top of fixed block is right trapezoid structural design to the top and the fixed slot looks block of fixed block, the fixed slot is the annular structure design on the inner wall of shearing the axle moreover, and the fixed block can shrink when the atress, and the use of cooperation expanding spring can get into next fixed block in, fixes the push rod in the shearing axle.

Preferably, the fixed blocks are distributed at equal intervals at positions close to the vertical rod, the four fixed blocks correspond to the fixed grooves in distribution positions, cavities in the tops of the vertical rods correspond to inclined planes of the fixed blocks in position, when the shearing shaft moves, right-angle edges of the fixed blocks are blocked by the vertical rod and can drive the push-pull rod to move, and when the inclined planes of the fixed blocks are in contact with the vertical rod, the fixed blocks can stretch and move.

A non-ionic aqueous epoxy resin emulsion is prepared by the preparation method of the non-ionic aqueous epoxy resin emulsion, and the non-ionic aqueous epoxy resin emulsion comprises 15% -25% of macromolecular polyoxyethylene, 20% -30% of liquid epoxy resin, 5% -10% of amine-terminated polyether, 8% -10% of triphenylphosphine, 10% -15% of bisphenol A epoxy resin, 5% -8% of chain extender, 5% -10% of flexibilizer and 10% -15% of deionized water, wherein the molecular weight of the macromolecular polyoxyethylene is 3500.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with a uniform dispersion mechanism, a motor rotates, a guide gear and a toothed ring are driven by a main gear to rotate, the diameters of the main gear, the guide gear and the toothed ring are set, when a shearing shaft rotates at a high speed, a shearing tank rotates slowly, a primary emulsion is injected into the shearing tank, the level height of the primary emulsion is positioned in the middle of the shearing shaft, a dispersion plate positioned at the bottom is pressed to rotate inwards and is elastically supported by a support spring, the slow rotation of the shearing tank drives the emulsion to move, when reaching a high point, the emulsion falls off by gravity, the dispersion plate gradually loses pressure, returns to the original position under the action of the support spring, pushes the emulsion to two sides, the dispersion shaft rotates under the action of the impact of the emulsion, the middle structure can be rotated by matching with spiral sheets opposite to the two sides to realize relative rotation, and guides the emulsion to the sides, the emulsion can fall and be distributed in the shearing tank by the dispersion plate and the dispersion shaft in cooperation with the inclined structure at the side of the shearing tank, and the situation that the emulsion moves to the wall of a barrel to be agglomerated and agglomerated when the emulsion is sheared and mixed by the traditional barrel-type shearing tank is effectively avoided by the cooperation with subsequent shearing, so that the emulsion can be uniformly sheared and simultaneously uniformly combined with deionized water for reaction;

2. the invention is provided with a uniform shearing mechanism, a positioning ring rotates in a positioning groove along with a shearing tank to ensure the stable rotation of the shearing tank, simultaneously the positioning ring drives a push plate to rotate in the rotating process, the convex edge of the push plate is contacted with the inclined edge end of a traverse rod to drive the traverse rod to transversely move in the positioning groove, the traverse rod is matched with the use of a traverse spring, when the push plate is separated from the traverse rod, the traverse rod returns to the original position, the two push plates which are staggered on the two positioning rings can realize the reciprocating motion of the two traverse rods, so that the traverse rod can drive a shearing shaft to reciprocally and transversely move in the shearing tank through a mounting sleeve, the emulsion is further uniformly sheared by a shearing shaft and shearing blades in cooperation with the high-speed rotation of the shearing shaft and the uniform dispersion of the emulsion, and simultaneously bubbles generated in the motion and shearing reaction of the emulsion can be cut by the transversely moving and rotating shearing blades, the missed bubbles can be guided to the shearing blade by the shearing blade to be crushed, so that the bubbles are prevented from losing from gaps of the shearing blade, the bubbles on the liquid surface can be prevented from being generated while uniform shearing is carried out, and the reaction effect of the emulsion and the deionized water is improved;

3. the invention is provided with an automatic extrusion separation mechanism, the fixed block is separated from the fixed groove by rotating a movable column in a push rod and matching with a pull rope to pull the fixed block, the push rod and a piston can be pulled out from a shearing shaft, deionized water is directly filled into the shearing shaft, then the push rod and the piston are reinserted into the shearing shaft, quantitative deionized water can be directly added according to the requirement of emulsion, the fixed block is matched with the fixed block to be inserted into the corresponding fixed groove, the initial positions of the push rod and the piston are adjusted according to the amount of the deionized water, the deionized water is uniformly dispersed and thrown out through a capillary centrifugal hole under the action of centrifugal force by matching with high-speed rotation of the shearing shaft, when a transverse moving rod drives the shearing shaft to move towards the right side, the fixed block on a push plate at the left side passes through a vertical rod under the action of an inclined surface, and the push plate at the left side and the shearing shaft synchronously move to realize relative rest of the positions, but the right-angle side of the fixed block on the right push rod is contacted with the upright rod, at the moment, the moving force of the push plate is blocked, the fixed block in the shearing shaft is elastically stretched, so that the shearing shaft moves on the right push plate, the inclined surface of the fixed block in the shearing shaft is forced to enter the next fixed groove, the pushing of the right push plate and the piston in the shearing shaft is realized, the deionized water is extruded, similarly, when the shearing shaft moves leftwards, the deionized water is extruded by the left push plate and the piston, and further, when the deionized water is uniformly thrown out by the high-speed rotation of the shearing shaft, the deionized water with reduced amount can be gradually extruded by matching with the synchronous transverse movement of the shearing shaft, so that the deionized water can be uniformly thrown out all the time, compared with the traditional shearing tank for slowly dripping deionized water for shearing, the structure can directly add deionized water at one time and continuously pressurize and throw out the deionized water, very big improvement the shearing effect of deionized water, solved slow dropwise add need consume longer time and use the problem of extra dropwise add equipment to and the condition that is difficult to carry out the uniform shear to deionized water among the slow dropwise add process, the rotation and the removal of cooperation shearing axle carry out the uniform shear and mix emulsion and deionized water, very big improvement the reaction efficiency of deionized water with the emulsion, improve off-the-shelf result of use.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the left retaining ring of the present invention;

FIG. 3 is a side view of the right retaining ring of the present invention;

FIG. 4 is a schematic top view of the push plate of the present invention;

FIG. 5 is a perspective view of a traverse bar of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a base; 2. a shearing tank; 3. a valve material guide port; 4. a positioning ring; 41. pushing the plate; 5. positioning a groove; 6. a lateral moving spring; 7. a traversing rod; 8. installing a sleeve; 9. a shear shaft; 10. shearing the blade; 11. a shearing blade; 12. a capillary centrifugation well; 13. a motor; 14. a main gear; 15. a lead gear; 16. a toothed ring; 17. a dispersion shaft; 18. a dispersion plate; 19. a support spring; 20. a piston; 21. a push rod; 211. a movable post; 212. pulling a rope; 22. erecting a rod; 23. a tension spring; 24. a fixed block; 25. fixing grooves; 26. a heater.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a preparation method of nonionic water-based epoxy resin emulsion comprises a base 1, a shearing tank 2, a valve guide opening 3, a positioning ring 4, a push plate 41, a positioning groove 5, a traversing spring 6, a traversing rod 7, an installation sleeve 8, a shearing shaft 9, a shearing blade 10, a shearing blade 11, a capillary centrifugal hole 12, a motor 13, a main gear 14, a guide gear 15, a toothed ring 16, a dispersing shaft 17, a dispersing plate 18, a supporting spring 19, a piston 20, a push rod 21, a movable column 211, a pull rope 212, an upright rod 22, a telescopic spring 23, a fixed block 24, a fixed groove 25 and a heater 26;

example 1

Referring to fig. 1, step one: mixing macromolecular polyoxyethylene and liquid epoxy resin raw materials, heating to 85-95 ℃, adding a catalyst, stirring, gradually cooling to 65-75 ℃, keeping constant temperature, dropwise adding amino-terminated polyether, and carrying out mixing reaction;

the high-speed shearing equipment in the third step comprises a base 1, wherein a shearing tank 2 is arranged above the base 1, the upper end and the lower end of the shearing tank 2 are respectively provided with a valve material guide port 3, positioning rings 4 are fixed on two sides of the middle part of each valve material guide port 3, a heater 26 is fixed on the outer side of the shearing tank 2, one end of each positioning ring 4 is positioned in a positioning groove 5, and the positioning groove 5 is arranged at the top of the base 1; the motor 13 is fixed on the top of the mounting sleeve 8, the output end of the motor 13 is connected with a main gear 14, the inner side and the outer side of the main gear 14 are respectively meshed with a guide gear 15 and a toothed ring 16, the guide gear 15 is fixedly sleeved on the shearing shaft 9, the toothed ring 16 is welded on the lateral side of the shearing tank 2, a dispersing shaft 17 is installed on the inner wall of the shearing tank 2 in an embedded rotating mode, a dispersing plate 18 is installed outside the dispersing shaft 17, the rotating shaft of the dispersing plate 18 is movably installed on the inner wall of the shearing dispersing tank 2, and a supporting spring 19 is fixed between the inner side of the dispersing plate 18 and the inner wall of the shearing tank 2; the dispersing shaft 17 is provided with helical blades with opposite facing ends, the two ends of the dispersing shaft 17 rotate mutually through a middle rotating shaft structure, the dispersing plate 18 rotates elastically in the shearing tank 2 through a supporting spring 19 in an inclined shape, the overlooking section of the dispersing plate 18 is in an arc-shaped structural design, the dispersing plate 18 is symmetrically arranged on the inner wall of the shearing tank 2, the non-ionic water-based epoxy resin emulsion comprises 15-25% of macromolecular polyoxyethylene, 20-30% of liquid epoxy resin, 5-10% of amino-terminated polyether, 8-10% of triphenylphosphine, 10-15% of bisphenol A epoxy resin, 5-8% of chain extender, 5-10% of flexibilizer and 10-15% of deionized water, the molecular weight of the macromolecular polyoxyethylene is 3500, the motor 13 drives the main gear 14 to rotate, the main gear 14 drives the guide gear 15 and the toothed ring 16 to rotate, the shearing shaft 9 and the shearing tank 2 are driven to rotate at a differential speed, the emulsion is turned up and down, the emulsion is dispersed by matching with the dispersion plate 18 and the dispersion shaft 17, and the emulsion is conveniently and uniformly sheared at a high speed through the shearing shaft 9, the shearing blades 10 and the shearing blade 11;

example 2

Referring to fig. 1-5, a traverse rod 7, the bottom of the traverse rod 7 is mounted in a positioning groove 5 through a traverse spring 6, a mounting sleeve 8 is fixed on the top of the traverse rod 7, a shearing shaft 9 is movably mounted in the mounting sleeve 8 in an embedded manner, the middle part of the shearing shaft 9 is located in a shearing tank 2, a shearing blade 10 distributed in a spiral manner is sleeved on the middle part of the shearing shaft 9, shearing blades 11 are welded on the shearing shaft 9 and the shearing blade 10, and a gap on the outer side of the middle part of the shearing shaft 9 is provided with capillary centrifugal holes 12 at equal angles; the outer side of the positioning ring 4 is fixed with a push plate 41, the cross section of the positioning ring 4 is in Contraband-shaped structural design, the positioning ring 4 slides in the positioning groove 5 in a fitting manner, two positioning rings 4 are symmetrically arranged on the shearing tank 2, the diameter of the shearing tank 2 decreases from the middle part to two sides, the distribution positions of the push plates 41 on the two positioning rings 4 are staggered, the sides of the push plates 41 are in arc-shaped convex structural design, the moving track of the push plates 41 is intersected with the transverse moving rod 7, the end sides of the transverse moving rod 7 are obliquely arranged, the sides of the transverse moving rod 7 are convex, slide in the positioning groove 5 in a fitting manner through a transverse moving spring 6, the two transverse moving rods 7 are symmetrically arranged, the positioning rings 4 are driven to rotate by the shearing tank 2, the push plates 41 on the positioning rings 4 are in contact with the transverse moving rod 7 in rotation, the transverse moving rod 7 is pushed to slide in the positioning groove 5 and is matched with the transverse moving spring 6, the two positioning rings 4 drive the two transverse moving rods 7 to reciprocate left and right, and further drive the shearing shaft 9 to move left and right through the mounting sleeve 8, so that the shearing effect is improved;

example 3

Referring to fig. 1 and 6, a piston 20 is installed in a shearing shaft 9, a push rod 21 is fixed at the outer end of the piston 20, a fixed block 24 is movably installed at the top of the push rod 21 in an embedded manner through a telescopic spring 23, one end of the fixed block 24 is located in a fixed groove 25, the fixed groove 25 is opened on the inner wall of the shearing shaft 9, one end of the push rod 21 penetrates through the top of the upright rod 22, the upright rod 22 is fixed at the edge of the top of the base 1, a movable column 211 is movably installed in the push rod 21 in an embedded manner, a pull rope 212 is fixed between the movable column 211 and the fixed block 24, the fixed block 24 elastically slides on the push rod 21 through the telescopic spring 23, the top of the fixed block 24 is designed to be a right-angle trapezoid structure, the top of the fixed block 24 is engaged with the fixed groove 25, the fixed groove 25 is designed to be an annular structure on the inner wall of the shearing shaft 9, four fixed blocks 24 are equally spaced at positions close to the upright rod 22, the four fixing blocks 24 correspond to the distribution positions of the fixing grooves 25, the top cavity position of the upright rod 22 corresponds to the inclined plane position of the fixing block 24, the movable column 211 is rotated, the fixing blocks 24 are driven to shrink through the pull rope 212, the push rod 21 and the piston 20 can be pulled out, deionized water is added into the shearing shaft 9, meanwhile, the transverse rod 7 moves leftwards and rightwards, the fixing blocks 24 can be forced into different fixing grooves 25, the fixing blocks 24 are limited by the upright rod 22, the push rod 21 and the piston 20 gradually compress the deionized water in the shearing shaft 9, and the deionized water can be conveniently and uniformly thrown out through the capillary centrifugal holes 12 in the shearing shaft 9.

The working principle is as follows: when the preparation method of the non-ionic water-based epoxy resin emulsion is used, as shown in fig. 1-5, firstly, the materials prepared in the first step and the second step are poured into the shearing tank 2 through the upper valve material guiding opening 3, and are heated by the heater 26, the motor 13 is started, the motor 13 drives the guide gear 15 and the toothed ring 16 to rotate through the main gear 14, the shearing tank 2 rotates slowly through the diameter difference of the main gear 14, the guide gear 15 and the toothed ring 16, the shearing shaft 9 rotates at high speed, the shearing tank 2 rotates, the positioning ring 4 rotates, the push plate 41 on the positioning ring 4 contacts with the transverse moving rod 7, the transverse moving rod 7 slides in the positioning groove 5, the elastic support of the transverse moving spring 6 is matched, when the push plates 41 which are distributed on the two positioning rings 4 in a staggered way contact with the transverse moving rod 7, the reciprocating movement of the two transverse moving rods 7 can be realized, and further the transverse moving rod 7 drives the transverse moving of the shearing shaft 9 through the mounting sleeve 8, the rotation and synchronous horizontal movement of the shearing shaft 9 are realized, the emulsion is rotated through the shearing tank 2 and moves up and down by matching with gravity, the dispersion plate 18 at the bottom is compressed and rotated by the pressure of the emulsion, when the dispersion plate 18 rotates to the top, the dispersion plate rebounds to the original position under the action of the supporting spring 19 to disperse the emulsion, meanwhile, the emulsion impacts the dispersion shaft 17 during the movement to drive the dispersion shaft 17 to rotate and further disperse the emulsion by matching with the dispersion shaft 17, so that the emulsion is uniformly dispersed in the shearing tank 2, and the shearing blade 10 and the shearing blade 11 on the shearing shaft 9 which rotate at high speed and move follow the movement to uniformly shear the emulsion;

then, as shown in fig. 1 and fig. 6, the movable column 211 is manually rotated, so that the movable column 211 drives the fixed block 24 to move away from the fixed slot 25 through the pull rope 212, the push rod 21 and the piston 20 can be taken out, deionized water is added into the shearing shaft 9, the push rod 21 and the piston 20 are inserted into the shearing shaft 9, and are clamped into the fixed slot 25 through the fixed block 24 for fixed installation, when the shearing shaft 9 moves towards the direction of the shearing tank 2, the fixed block 24 in the shearing shaft 9 is inserted into the corresponding fixed slot 25, so as to lock the push rod 21 and the shearing shaft 9, so that the push rod 21 can move along with the shearing shaft 9, the inclined surface of the fixed block 24 at the other end of the push rod 21 contacts with the top cavity of the upright rod 22 in the following movement process, the fixed block 24 contracts and is matched with the telescopic spring 23 to pop up, so that the fixed block 24 moves from the outer side of the upright rod 22 to the inner side, when the shearing shaft 9 moves towards the upright rod 22, at this moment, the vertical surface of the fixing block 24 is in contact with the vertical rod 22, the moving position of the push rod 21 is limited, the push rod 21 maintains the original position, the fixing block 24 is located in the shearing shaft 9, the inclined surface of the fixing block is stressed to be matched with the expansion spring 23 to shrink and pop up, the fixing block enters the next fixing groove 25, the push rod 21 and the piston 20 can move towards the middle of the inside of the shearing shaft 9 at this moment, deionized water in the shearing shaft 9 is compressed, the shearing shaft 9 is made to uniformly throw the deionized water out through the capillary centrifugal hole 12 in the rotating process, the piston 20 can compress the deionized water in real time, the problem that the deionized water is difficult to throw out is avoided being gradually reduced, and the deionized water and emulsion can be uniformly sheared and mixed through the shearing blade 10 and the shearing blade 11 on the shearing shaft 9.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A preparation method of nonionic water-based epoxy resin emulsion is characterized by comprising the following steps: the preparation method comprises the following steps:

the high-speed shearing equipment in the third step comprises a base (1), wherein a shearing tank (2) is arranged above the base (1), valve material guide ports (3) are respectively arranged at the upper end and the lower end of the shearing tank (2), positioning rings (4) are fixed on two sides of the middle part of each valve material guide port (3), a heater (26) is fixed on the outer side of the shearing tank (2), one end of each positioning ring (4) is located in a positioning groove (5), and each positioning groove (5) is formed in the top of the base (1);

further comprising:

the bottom of the traverse rod (7) is installed in the positioning groove (5) through a traverse spring (6), an installation sleeve (8) is fixed at the top of the traverse rod (7), a shearing shaft (9) is movably installed in the installation sleeve (8) in an embedded mode, the middle of the shearing shaft (9) is located in the shearing tank (2), shearing blades (10) distributed in a spiral mode are sleeved at the middle of the shearing shaft (9), shearing blades (11) are welded on the shearing shaft (9) and the shearing blades (10), and capillary centrifugal holes (12) are formed in gaps in the outer side of the middle of the shearing shaft (9) at equal angles;

the shearing device comprises a motor (13), wherein the motor (13) is fixed to the top of an installation sleeve (8), the output end of the motor (13) is connected with a main gear (14), the inner side and the outer side of the main gear (14) are respectively meshed with a guide gear (15) and a toothed ring (16), the guide gear (15) is fixedly sleeved on a shearing shaft (9), the toothed ring (16) is welded on the side of the shearing tank (2), a dispersing shaft (17) is installed on the inner wall of the shearing tank (2) in an embedded rotating mode, a dispersing plate (18) is installed outside the dispersing shaft (17), a rotating shaft of the dispersing plate (18) is movably installed on the inner wall of the shearing tank (2), and a supporting spring (19) is fixed between the inner side of the dispersing plate (18) and the inner wall of the shearing tank (2);

piston (20), piston (20) are installed in shearing axle (9), and the outer end of piston (20) is fixed with push rod (21) to the top of push rod (21) has fixed block (24) through the embedded movable mounting of expanding spring (23), the one end of fixed block (24) is located fixed slot (25), and fixed slot (25) are seted up on the inner wall of shearing axle (9), the one end of push rod (21) runs through in the top of pole setting (22), and pole setting (22) are fixed in the top edge of base (1).

2. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 1, wherein the method comprises the following steps: the outside of holding ring (4) is fixed with push pedal (41), and the cross-section of holding ring (4) is "Contraband" font structural design to holding ring (4) laminating slip in constant head tank (5), holding ring (4) symmetry is provided with two on shearing jar (2), and the diameter of shearing jar (2) is steadilyd decrease to both sides by the middle part, and two holding ring (4) go up the distribution position of push pedal (41) and alternate.

3. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 2, wherein the method comprises the following steps: the avris of push pedal (41) is the protruding structural design of arc, and the movable track of push pedal (41) intersects with sideslip pole (7) to the tip avris of sideslip pole (7) sets up in the slope, and the avris of sideslip pole (7) is protruding form and passes through sideslip spring (6) and laminate the slip in constant head tank (5) moreover, and sideslip pole (7) symmetry is provided with two simultaneously.

4. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 1, wherein the method comprises the following steps: the dispersion shaft (17) is provided with spiral blades with opposite end directions, and the two ends of the dispersion shaft (17) rotate mutually through a middle rotating shaft structure.

5. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 1, wherein the method comprises the following steps: dispersion board (18) are the slope form and pass through supporting spring (19) elastic rotation in shearing jar (2), and dispersion board (18) overlook the cross-section and be the arc structural design to dispersion board (18) symmetry setting on the inner wall of shearing jar (2).

6. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 1, wherein the method comprises the following steps: the push rod (21) is internally embedded with a movable column (211) movably, and a pull rope (212) is fixed between the movable column (211) and the fixed block (24).

7. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 1, wherein the method comprises the following steps: fixed block (24) pass through expanding spring (23) elastic sliding on push rod (21), and the top of fixed block (24) is right trapezoid structure design to the top and fixed slot (25) looks block of fixed block (24), and fixed slot (25) are the design of annular structure moreover on the inner wall of shearing axle (9).

8. The method for preparing the nonionic aqueous epoxy resin emulsion according to claim 1, wherein the method comprises the following steps: the fixing blocks (24) are distributed in four positions close to the vertical rod (22) at equal intervals, the four fixing blocks (24) correspond to the fixing grooves (25) in distribution positions, and the top cavity of the vertical rod (22) corresponds to the inclined plane of the fixing blocks (24).

9. A nonionic aqueous epoxy resin emulsion is characterized in that: the non-ionic water-based epoxy resin emulsion is prepared by the preparation method of the non-ionic water-based epoxy resin emulsion as claimed in any one of claims 1 to 8, and comprises 15 to 25 percent of macromolecular polyoxyethylene, 20 to 30 percent of liquid epoxy resin, 5 to 10 percent of amino-terminated polyether, 8 to 10 percent of triphenylphosphine, 10 to 15 percent of bisphenol A epoxy resin, 5 to 8 percent of chain extender, 5 to 10 percent of flexibilizer and 10 to 15 percent of deionized water, wherein the molecular weight of the macromolecular polyoxyethylene is 3500.