CN114591599A - Thermoplastic epoxy resin and preparation method thereof - Google Patents
Thermoplastic epoxy resin and preparation method thereof Download PDFInfo
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- CN114591599A CN114591599A CN202210286751.9A CN202210286751A CN114591599A CN 114591599 A CN114591599 A CN 114591599A CN 202210286751 A CN202210286751 A CN 202210286751A CN 114591599 A CN114591599 A CN 114591599A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The invention belongs to the field of epoxy resin, and particularly relates to thermoplastic epoxy resin and a preparation method thereof, wherein the thermoplastic epoxy resin consists of epoxy resin, a curing agent, a thermoplastic elastomer, naphthenic oil, rock wool, a solvent and an auxiliary agent; the preparation method of the thermoplastic epoxy resin comprises the steps of putting semi-finished resin into a purification device for purification, when a reaction tube in a water bath barrel is purified, filling the semi-finished resin into another group of reaction tubes so as to replace the reaction tubes in time, starting a swivel base to rotate when the reaction tube is replaced, driving the reaction tubes completing purification by the swivel base through an inserted link and a longitudinal slide block to move out of the water bath barrel, and putting the unpurified reaction tubes into the water bath barrel through a top plate and a cover plate, so that the function of automatically replacing the reaction tubes is realized, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of epoxy resin, and particularly relates to thermoplastic epoxy resin and a preparation method thereof.
Background
The thermoplastic epoxy resin has the functions of softening by heating and cooling and hardening, can be recycled, has the characteristics of good toughness, large damage tolerance and no environmental pollution, is popularized and used in environment-friendly materials, and generates impurities in the preparation process of the thermoplastic epoxy resin, so that the resin needs to be purified to obtain a qualified thermoplastic epoxy resin product.
A chinese patent with publication number CN10835907B discloses a purification method of epoxy resin, wherein the extraction equipment comprises a water bath tube, a heating mechanism, a reaction mechanism, an installation mechanism, a driving mechanism, a storage mechanism and a fixing seat; putting the extracted raw materials into a storage mechanism, and adding a purified reaction solution into a reaction mechanism; then the storage mechanism is placed into the reaction mechanism; placing the reaction mechanism in a water bath tube; heating the reaction mechanism in a water bath mode, wherein the heating mechanism heats water in the water bath pipe to a required temperature; in the method, the storage mechanism is disassembled, so that the heating area is wider and the heating is more uniform.
The above epoxy resin purification method has problems that the resin is purified in the reaction mechanism, the reaction mechanism is placed in the water bath tube, after a batch of resin is purified, the reaction mechanism needs to be taken out of the water bath tube, then the purified resin is taken out and put in a new resin to be purified, and finally the reaction mechanism is re-put in the water bath tube, the operation is complicated, and the work efficiency is low, so that the equipment used in the epoxy resin purification method needs to be further improved.
Therefore, the invention provides a thermoplastic epoxy resin and a preparation method thereof.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the thermoplastic epoxy resin provided by the invention comprises the following raw materials in parts by weight:
120-140 parts of epoxy resin, 18-22 parts of curing agent, 6-12 parts of thermoplastic elastomer, 7-9 parts of naphthenic oil, 7-8 parts of rock wool, 20-30 parts of solvent and 1-2 parts of auxiliary agent;
the epoxy resin comprises a trifunctional epoxy resin and a tetrafunctional epoxy resin;
the curing agent is an anhydride curing agent;
the thermoplastic elastomer comprises polyether sulfone, polyamide imide particles and polyamide particles;
the solvent is one of petroleum ether, dimethyl sulfoxide and xylene;
the auxiliary agent is one of calcium stearate and zinc stearate.
Preferably, in the thermoplastic elastomer, the molecular weight of the polyether sulfone is 16000-18000g/mol, and the weight ratio of the polyether sulfone to the polyamide imide particles to the polyamide particles is 7:3: 2.
Preferably, the preparation method of the thermoplastic elastomer comprises the following steps: the polyether sulfone, the polyamide imide particles, the polyamide particles and the naphthenic oil are uniformly hot-melted and mixed at the temperature of 160-165 ℃ according to the weight ratio of 7:3:2:2 to prepare the thermoplastic elastomer.
A method for preparing a thermoplastic epoxy resin, which is suitable for the thermoplastic epoxy resin, comprises the following steps:
s1, uniformly mixing the epoxy resin, the thermoplastic elastomer, the rock wool and the auxiliary agent at the temperature of 110 ℃, preserving heat for 1 hour at the temperature of 60 ℃, and naturally cooling to obtain a component A;
s2, uniformly mixing the curing agent and the solvent at room temperature to obtain a component B;
s3, mixing the component A and the component B at room temperature, and stirring in a stirrer at the stirring speed of 1200 r/min for 1.5h to obtain a semi-finished resin;
s4, purifying the semi-finished resin in a purifying device to obtain a thermoplastic epoxy resin finished product, wherein the purifying process comprises the following steps: putting the semi-finished resin into a reaction tube, putting the reaction tube into a water bath barrel, filling water liquid into the water bath barrel, heating the water liquid to immerse the reaction tube in hot water, and heating and purifying the semi-finished resin in the reaction tube.
Preferably, the purification device further comprises two cover plates, wherein one cover plate is respectively covered above the water bath cylinder, the other cover plate is positioned outside the water bath cylinder, the bottom ends of the cover plates are provided with a plurality of reaction tubes, and the inside of the water bath cylinder is provided with a stirring mechanism and a heater. When the device works, the semi-finished resin is put into a reaction tube, the reaction tube is put into a water bath cylinder, water liquid in the water bath cylinder is heated by a heater, and a high-temperature water bath environment is formed outside the reaction tube, so that the resin in the reaction tube is subjected to purification reaction; starting the stirring mechanism to accelerate the flow of water liquid, thereby improving the purification speed; when the reaction tube in the water bath barrel is purified, semi-finished resin filling is carried out on the other group of reaction tubes outside the water bath barrel, so that resin replacement can be carried out timely, and the working efficiency of continuous purification of the resin is improved.
Preferably, the front and the back of water bath barrel all are provided with the support, and fixed mounting has horizontal slide rail on the support, and slidable mounting has horizontal slider on the horizontal slide rail, and the bottom fixed mounting of horizontal slider has vertical slide rail, and slidable mounting has vertical slider on the vertical slide rail, and the rotatable mount has rotated on the support, and the inside activity of rotatable mount is pegged graft and is had the inserted bar, passes through articulated shaft swing joint between inserted bar and the vertical slider, installs the pressure spring on the inserted bar, and vertical slider is connected with the apron. When the device works, in an initial state, the reaction tube on the outer side of the water bath barrel is positioned at the upper right part of the water bath barrel, and the reaction tube is filled with unpurified semi-finished resin; when changing different reaction tubes, start the swivel mount anticlockwise rotation through driving motor, the swivel mount drives vertical slider through the inserted bar and shifts to the left again after shifting up, has realized the function of shifting left again after upwards proposing from the water bath barrel with the reaction tube after the purification finishes to the reaction tube on right side can be smooth pack into the water bath barrel and continue to carry out purification work.
Preferably, the top of the cover plate is fixedly provided with a lifting plate, the bracket is fixedly provided with a guide rod, the guide rod and the horizontal slide rail are staggered from front to back, the guide rod is provided with two slide seats in a sliding manner, and the slide seats are provided with hooks for hooking the lifting plate. When the device works, in an initial state, the cover plate and the reaction tube on the right side are hung on the hook claw through the lifting plate and can move left and right along the guide rod; when changing the reaction tube, after moving the upper left side with the reaction tube in the water bath barrel, slide the reaction tube on the right directly over the water bath barrel, then swivel mount clockwise gyration, vertical slider moves to the water bath barrel directly over on a left side after, with vertical slider and the apron on the right be connected together, along with the continuation rotation of swivel mount, vertical slider drives this apron and reaction tube and moves down and pack into in the water bath barrel, carries out purification work, simple structure, convenient operation.
Preferably, the top plate is movably inserted into the longitudinal sliding block, the supporting spring is installed on the top plate, the slope is arranged at the bottom of the top plate, the flanging plate corresponding to the top plate is fixedly installed at the top of the cover plate, the hook plate and the one-way push plate are installed at the left end and the right end of the cover plate respectively, and the one-way push plate is used for pushing the hook plate. When the one-way push plate works, the one-way push plate is of a one-way rotating structure; in the initial state, when the reaction tube on the left side is arranged in the water bath barrel, the top plate is positioned below the flanging plate in the cover plate, the one-way push plate on the cover plate on the left side is vertically aligned with the hook plate on the cover plate on the right side, when the reaction tube is replaced, the longitudinal slide block moves upwards, the reaction tube in the water bath barrel is lifted upwards through the top plate and the flanging plate, the cover plate and the reaction tube on the left side move leftwards after moving to the top end, at the moment, the one-way push plate on the cover plate on the left side pulls the hook plate on the cover plate on the right side to move leftwards, and the function that the reaction tube on the right side also moves leftwards to be right above the water bath barrel after the reaction tube on the left side moves leftwards to the upper left side of the water bath barrel is realized; then vertical slider removes and begins to move down after the top of apron on the right, bottom through at the roof sets up the slope for the roof can be smooth removes to the below of hem board, the vertical slider that moves down passes through the roof and drives apron and reaction tube and move down and pack into the water bath barrel, the reaction tube that has realized automatic will accomplish the purification is proposed, and pack into the function in the water bath barrel with the reaction tube of not purifying, moreover, the steam generator is simple in structure, and convenient for operation, this process need not manual operation, and is automatic to carry out, thereby the manpower is saved, and the work efficiency is improved.
Preferably, the slide is last to rotate and to install the gear, is provided with damping piece and reset torsion spring on the gear, and the bottom of hook is provided with the slope, and hook fixed mounting is in the bottom of gear, be provided with on the vertical slider with gear assorted rack plate, the outside of water bath barrel is provided with rotatable carousel, the top of carousel is provided with the backing plate that is used for supporting the reaction tube. When the water bath barrel is in work, the lifting plate is provided with the through hole corresponding to the hook claw, the slope is arranged at the bottom end of the hook claw, after the cover plate reaction tube in the water bath barrel moves upwards, the lifting plate on the cover plate can extrude the hook claw to deflect, the hook claw rotates under the action of the reset torsion spring after deflection, and the rotated hook claw is inserted into the through hole of the lifting plate, so that the cover plate is hooked, the safety of the reaction tube is improved, the problem that the reaction tube on the left side possibly falls down or inclines and falls down when the reaction tube is moved to the upper left side and then moved to the right side by the longitudinal sliding block under the condition that the hook claw does not exist is avoided, and the use safety is improved; after the reaction tube on the left moves to the left, the reaction tube on the right moves to the right above the water bath cylinder, and when the longitudinal slide block moves to the upper part of the cover plate on the right and moves downwards, the rack plate is contacted with the gear and drives the gear to rotate, so that the hook claw is separated from the lifting plate, and the top plate can smoothly drive the reaction tube to move downwards; after the reaction tube of accomplishing the purification removed to the upper left side, supported the reaction tube through the backing plate, loosened the hook on this reaction tube, then rotated the carousel, can rotated this reaction tube to the right side, realized carrying out the function that the reaction tube was taken off and was put on the right side of water bath barrel, occupation space is little, simple structure, convenient operation has improved work efficiency.
The invention has the following beneficial effects:
1. according to the preparation method of the thermoplastic epoxy resin, two groups of reaction tubes are arranged, and when the reaction tubes in the water bath cylinder are purified, the other group of reaction tubes are filled with semi-finished resin, so that the reaction tubes can be replaced timely, and the working efficiency of continuously purifying the resin is improved.
2. According to the thermoplastic epoxy resin and the preparation method thereof, the rotary seat is started to rotate, the rotary seat drives the purified reaction tube to move out of the water bath barrel through the inserted rod and the longitudinal slide block, and the unpurified reaction tube is filled into the water bath barrel through the top plate and the cover plate, so that the function of automatically replacing the reaction tube is realized, and the working efficiency is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a perspective view of the cover of the present invention;
FIG. 3 is a perspective view of the rotary base and the longitudinal slide block of the present invention;
FIG. 4 is a side cross-sectional view of the cover and top plate of the present invention;
FIG. 5 is a front cross-sectional view of the cover plate of the present invention in engagement with the fingers;
FIG. 6 is a perspective view of the turntable and backing plate of the present invention;
FIG. 7 is a schematic top view of a second guide bar according to an embodiment of the present invention;
in the figure: 1. a water bath cylinder body; 2. a cover plate; 201. a hemming plate; 202. lifting the plate; 203. a hook plate; 204. a one-way push plate; 3. a reaction tube; 4. a stirring mechanism; 5. a support; 6. a horizontal slide rail; 7. a transverse slide block; 8. a vertical slide rail; 9. a longitudinal slide block; 901. a top plate; 902. a rack plate; 10. rotating; 11. inserting a rod; 12. hinging a shaft; 13. a guide bar; 14. a slide base; 15. a hook claw; 16. a gear; 17. a turntable; 18. a backing plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The thermoplastic epoxy resin provided by the invention comprises the following raw materials in parts by weight:
120-140 parts of epoxy resin, 18-22 parts of curing agent, 6-12 parts of thermoplastic elastomer, 7-9 parts of naphthenic oil, 7-8 parts of rock wool, 20-30 parts of solvent and 1-2 parts of auxiliary agent;
the epoxy resin comprises a trifunctional epoxy resin and a tetrafunctional epoxy resin;
the curing agent is an anhydride curing agent;
the thermoplastic elastomer comprises polyether sulfone, polyamide imide particles and polyamide particles;
the solvent is one of petroleum ether, dimethyl sulfoxide and xylene;
the auxiliary agent is one of calcium stearate and zinc stearate.
In the thermoplastic elastomer, the molecular weight of the polyether sulfone is 16000-18000g/mol, and the weight ratio of the polyether sulfone to the polyamide imide particles to the polyamide particles is 7:3: 2.
The preparation method of the thermoplastic elastomer comprises the following steps: the polyether sulfone, the polyamide imide particles, the polyamide particles and the naphthenic oil are uniformly hot-melted and mixed at the temperature of 160-165 ℃ according to the weight ratio of 7:3:2:2 to prepare the thermoplastic elastomer.
A method for preparing a thermoplastic epoxy resin, which is suitable for the thermoplastic epoxy resin, comprises the following steps:
s1, uniformly mixing the epoxy resin, the thermoplastic elastomer, the rock wool and the auxiliary agent at the temperature of 110 ℃, preserving heat for 1 hour at the temperature of 60 ℃, and naturally cooling to obtain a component A;
s2, uniformly mixing the curing agent and the solvent at room temperature to obtain a component B;
s3, mixing the component A and the component B at room temperature, and stirring in a stirrer at the stirring speed of 1200 r/min for 1.5h to obtain a semi-finished resin;
s4, purifying the semi-finished resin in a purifying device to obtain a thermoplastic epoxy resin finished product, wherein the purifying process comprises the following steps: putting the semi-finished resin into the reaction tube 3, putting the reaction tube 3 into the water bath barrel 1, filling water liquid in the water bath barrel 1, heating the water liquid to immerse the reaction tube 3 in hot water, and heating and purifying the semi-finished resin in the reaction tube 3.
And (3) testing: selecting the raw materials, dividing the raw materials into three groups according to different parts by weight for testing, preparing the thermoplastic epoxy resin according to the high-temperature-resistant resin preparation method, carrying out performance testing on the prepared thermoplastic epoxy resin, observing and evaluating the three groups of tests.
In three tests, the weight ratio of the components of the high-temperature resistant resin is as follows:
| components | Proportioning one | Proportioning two | Proportioning three |
| Epoxy resin | 120 | 130 | 140 |
| | 18 | 20 | 22 |
| | 6 | 9 | 12 |
| | 7 | 8 | 9 |
| | 7 | 7 | 8 |
| Solvent(s) | 20 | 25 | 30 |
| | 1 | 2 | 2 |
The mechanical property test results are as follows:
| material properties | Proportioning one | Proportioning two | Proportioning three |
| Interfacial shear strength (MPa) | 23.6 | 25.7 | 26.2 |
| Tensile strength (MPa) | 87 | 92 | 81 |
| Elongation at Break (%) | 5.7 | 6.1 | 6.2 |
The tests show that the thermoplastic epoxy resin prepared by the preparation method has good material properties.
Example one
In the embodiment of the invention, in order to further improve the performance of the thermoplastic epoxy resin, the equipment adopted in the preparation method is improved, and the method specifically comprises the following steps:
as shown in fig. 1, the purification device further comprises two cover plates 2, wherein one cover plate 2 covers the water bath cylinder 1, the other cover plate 2 is located outside the water bath cylinder 1, a plurality of reaction tubes 3 are installed at the bottom end of the cover plate 2, and a stirring mechanism 4 and a heater are arranged inside the water bath cylinder 1. When the device works, a semi-finished resin is put into the reaction tube 3, the reaction tube 3 is put into the water bath barrel 1, water liquid in the water bath barrel 1 is heated through the heater, and a high-temperature water bath environment is formed outside the reaction tube 3, so that the resin in the reaction tube 3 is subjected to purification reaction; starting the stirring mechanism 4 to accelerate the flow of water liquid, thereby improving the purification speed; when purifying reaction tube 3 in water bath barrel 1, carry out semi-manufactured goods resin to another group reaction tube 3 in the water bath barrel 1 outside and fill to resin change in order can be timely carries out, work efficiency when having improved in succession to the resin purification.
As shown in fig. 1 to 3, the front and the back of water bath barrel 1 all are provided with support 5, fixed mounting has horizontal slide rail 6 on the support 5, slidable mounting has horizontal slider 7 on the horizontal slide rail 6, the bottom fixed mounting of horizontal slider 7 has vertical slide rail 8, slidable mounting has vertical slider 9 on the vertical slide rail 8, swivel mount 10 is installed in the last rotation of support 5, the inside activity of swivel mount 10 is pegged graft and is had inserted bar 11, through articulated shaft 12 swing joint between inserted bar 11 and the vertical slider 9, install the pressure spring on the inserted bar 11, vertical slider 9 is connected with apron 2. When the device works, in an initial state, the reaction tube 3 on the outer side of the water bath barrel body 1 is positioned at the upper right part of the water bath barrel body 1, and the reaction tube 3 is filled with unpurified semi-finished resin; when changing different reaction tube 3, start swivel mount 10 anticlockwise rotation through driving motor, swivel mount 10 moves left again after driving vertical slider 9 through inserted bar 11 and shift up, has realized moving aside the function that moves left again after the reaction tube 3 after the purification is finished upwards lifting out in water bath barrel 1 to the reaction tube 3 on right side can be smooth pack into water bath barrel 1 and continue to purify the work.
As shown in fig. 1 to 5, a lifting plate 202 is fixedly installed on the top of the cover plate 2, a guide rod 13 is fixedly installed on the bracket 5, the guide rod 13 is staggered with the horizontal slide rail 6 in the front-back direction, two slide carriages 14 are slidably installed on the guide rod 13, and a claw 15 for hooking the lifting plate 202 is installed on the slide carriage 14. When the device works, in an initial state, the cover plate 2 and the reaction tube 3 on the right are hung on the hook claw 15 through the lifting plate 202 and can move left and right along the guide rod 13; when changing reaction tube 3, after moving reaction tube 3 in the water bath barrel 1 to the upper left side, slide reaction tube 3 on the right to water bath barrel 1 directly over, then swivel mount 10 turns around clockwise, vertical slider 9 moves to water bath barrel 1 directly over after on a left side, link together vertical slider 9 and apron 2 on the right, along with swivel mount 10's continuation rotation, vertical slider 9 drives this apron 2 and reaction tube 3 and moves down and pack into water bath barrel 1 in, purify the work, moreover, the steam generator is simple in structure, and convenient for operation.
As shown in fig. 1 to 5, a top plate 901 is movably inserted into the longitudinal slider 9, a support spring is mounted on the top plate 901, a slope is disposed at the bottom of the top plate 901, a folded plate 201 corresponding to the top plate 901 is fixedly mounted at the top of the cover plate 2, a hook plate 203 and a one-way push plate 204 are respectively mounted at the left end and the right end of the cover plate 2, and the one-way push plate 204 is used for pushing the hook plate 203. When in work, the one-way push plate 204 is of a one-way rotating structure; in an initial state, when the reaction tube 3 on the left side is loaded into the water bath barrel 1, the top plate 901 is positioned below the hem plate 201 in the cover plate 2, the one-way push plate 204 on the cover plate 2 on the left side is vertically aligned with the hook plate 203 on the cover plate 2 on the right side, when the reaction tube 3 is replaced, the longitudinal slide block 9 moves upwards, the reaction tube 3 in the water bath barrel 1 is lifted upwards through the top plate 901 and the hem plate 201, the cover plate 2 and the reaction tube 3 on the left side start to move leftwards after moving to the top end, at the moment, the one-way push plate 204 on the cover plate 2 on the left side pulls the hook plate 203 on the cover plate 2 on the right side to move leftwards, and the function that the reaction tube 3 on the right side also moves leftwards to the position right above the water bath barrel 1 after the reaction tube 3 on the left side moves leftwards to the upper part of the water bath barrel 1 is realized; then the vertical sliding block 9 moves to the upper side of the right cover plate 2 and then starts to move downwards, the slope is arranged at the bottom of the top plate 901, the top plate 901 can smoothly move to the lower side of the folded edge plate 201, the downward-moving vertical sliding block 9 drives the cover plate 2 and the reaction tube 3 to move downwards through the top plate 901 and is filled into the water bath barrel body 1, the reaction tube 3 which is automatically purified is lifted out, and the unpurified reaction tube 3 is filled into the water bath barrel body 1.
As shown in fig. 1 to 6, a gear 16 is rotatably mounted on the slide 14, a damping member and a return torsion spring are disposed on the gear 16, a slope is disposed at the bottom end of the hook 15, the hook 15 is fixedly mounted at the bottom end of the gear 16, a rack plate 902 matched with the gear 16 is disposed on the longitudinal slider 9, a rotatable turntable 17 is disposed at the outer side of the water bath barrel 1, and a backing plate 18 for supporting the reaction tube 3 is disposed at the top of the turntable 17. When the reaction tube lifting device works, the lifting plate 202 is provided with a through hole corresponding to the hook claw 15, the bottom end of the hook claw 15 is provided with a slope, after the reaction tube 3 of the cover plate 2 in the water bath barrel 1 moves upwards, the lifting plate 202 on the cover plate 2 can extrude the hook claw 15 to deflect, the hook claw 15 rotates under the action of a reset torsion spring after deflecting, and the rotated hook claw 15 is inserted into the through hole of the lifting plate 202, so that the cover plate 2 is hooked, the safety of the reaction tube 3 is improved, the problem that the reaction tube 3 on the left side possibly falls down or inclines and falls down when the reaction tube 3 is moved to the upper left and then moves to the right without the hook claw 15 by the longitudinal slide block 9 is avoided, and the use safety is improved; after the reaction tube 3 on the left moves to the left, the reaction tube 3 on the right moves to the right above the water bath cylinder 1, and when the longitudinal slider 9 moves to the right after the cover plate 2 on the right and moves downwards, the rack plate 902 contacts with the gear 16 and drives the gear 16 to rotate, so that the hook claw 15 is separated from the lifting plate 202, and the top plate 901 can smoothly drive the reaction tube 3 to move downwards; after the reaction tube 3 of accomplishing the purification moves to the upper left side, supports reaction tube 3 through backing plate 18, loosens the knuckle 15 on this reaction tube 3, then rotates carousel 17, can rotate this reaction tube 3 to the right side, has realized carrying out the function that reaction tube 3 took off and put on the right side of water bath barrel 1, and occupation space is little, simple structure, and convenient operation has improved work efficiency.
Example two
As shown in fig. 7, a first comparative example, in which another embodiment of the present invention is: the guide rod 13 is provided with an arc-shaped section, and the circle center of the arc-shaped section is concentric with the rotary table 17. During operation, through the arrangement, after the reaction tube 3 which completes purification moves to the left side of the rotary table 17, the rotary table 17 is directly rotated without loosening the hook claw 15 on the reaction tube 3, so that the reaction tube 3 and the hook claw 15 can rotate to the right side together, the workload is further reduced, and the working efficiency is improved.
The working principle is as follows:
filling the semi-finished resin into a reaction tube 3, filling the reaction tube 3 into a water bath barrel 1, heating water liquid in the water bath barrel 1 through a heater, and forming a high-temperature water bath environment outside the reaction tube 3 to perform a purification reaction on the resin in the reaction tube 3; starting the stirring mechanism 4 to accelerate the flow of water liquid, thereby improving the purification speed; when the reaction tubes 3 in the water bath cylinder body 1 are purified, semi-finished resin filling is carried out on the other group of reaction tubes 3 outside the water bath cylinder body 1, so that resin replacement can be carried out in time, and the working efficiency is improved.
In the initial state, the reaction tube 3 at the outer side of the water bath cylinder body 1 is positioned at the upper right part of the water bath cylinder body 1, and the reaction tube 3 is filled with unpurified semi-finished resin; when changing different reaction tube 3, start swivel mount 10 anticlockwise rotation through driving motor, swivel mount 10 moves to the left again after driving vertical slider 9 through inserted bar 11 and shifting up, has realized moving aside the function that the reaction tube 3 after the purification is finished again left after upwards lifting out in the water bath barrel 1 to the reaction tube 3 on right side can be smooth pack into and continue purification work in the water bath barrel 1.
In the initial state, the cover plate 2 and the reaction tube 3 on the right are hung on the hook claw 15 through the lifting plate 202 and can move left and right along the guide rod 13; when changing reaction tube 3, after moving reaction tube 3 in the water bath barrel 1 to the upper left side, slide reaction tube 3 on the right to water bath barrel 1 directly over, then swivel mount 10 turns around clockwise, vertical slider 9 moves to water bath barrel 1 directly over after on a left side, link together vertical slider 9 and apron 2 on the right, along with swivel mount 10's continuation rotation, vertical slider 9 drives this apron 2 and reaction tube 3 and moves down and pack into water bath barrel 1 in, purify the work, moreover, the steam generator is simple in structure, and convenient for operation.
The unidirectional push plate 204 is of a unidirectional rotating structure; in an initial state, when the reaction tube 3 on the left side is loaded into the water bath barrel 1, the top plate 901 is positioned below the hem plate 201 in the cover plate 2, the one-way push plate 204 on the cover plate 2 on the left side is vertically aligned with the hook plate 203 on the cover plate 2 on the right side, when the reaction tube 3 is replaced, the longitudinal slide block 9 moves upwards, the reaction tube 3 in the water bath barrel 1 is lifted upwards through the top plate 901 and the hem plate 201, the cover plate 2 and the reaction tube 3 on the left side start to move leftwards after moving to the top end, at the moment, the one-way push plate 204 on the cover plate 2 on the left side pulls the hook plate 203 on the cover plate 2 on the right side to move leftwards, and the function that the reaction tube 3 on the right side also moves leftwards to the position right above the water bath barrel 1 after the reaction tube 3 on the left side moves leftwards to the upper part of the water bath barrel 1 is realized; then the vertical sliding block 9 moves to the upper side of the right cover plate 2 and then starts to move downwards, the slope is arranged at the bottom of the top plate 901, the top plate 901 can smoothly move to the lower side of the folded edge plate 201, the downward-moving vertical sliding block 9 drives the cover plate 2 and the reaction tube 3 to move downwards through the top plate 901 and is filled into the water bath barrel body 1, the reaction tube 3 which is automatically purified is lifted out, and the unpurified reaction tube 3 is filled into the water bath barrel body 1.
The lifting plate 202 is provided with a through hole corresponding to the claw 15, the bottom end of the claw 15 is provided with a slope, after the reaction tube 3 of the cover plate 2 in the water bath barrel 1 moves upwards, the lifting plate 202 on the cover plate 2 can extrude the claw 15 to deflect, the claw 15 rotates under the action of a reset torsion spring after deflecting, and the rotated claw 15 is inserted into the through hole of the lifting plate 202, so that the cover plate 2 is hooked, the safety of the reaction tube 3 is improved, the problem that the reaction tube 3 on the left side possibly falls down or inclines and falls down when the reaction tube 3 is moved to the upper left side and then moves to the right side by the longitudinal sliding block 9 without the claw 15 is avoided, and the use safety is improved; after the reaction tube 3 on the left moves to the left, the reaction tube 3 on the right moves to the right above the water bath cylinder 1, and when the longitudinal slider 9 moves to the right after the cover plate 2 on the right and moves downwards, the rack plate 902 contacts with the gear 16 and drives the gear 16 to rotate, so that the hook claw 15 is separated from the lifting plate 202, and the top plate 901 can smoothly drive the reaction tube 3 to move downwards; after the reaction tube 3 of accomplishing the purification moves to the upper left side, supports reaction tube 3 through backing plate 18, loosens the claw 15 on this reaction tube 3, then rotates carousel 17, can rotate this reaction tube 3 to the right side, has realized carrying out the function that reaction tube 3 took off and put on the right side of water bath barrel 1, and occupation space is little, simple structure, and convenient operation has improved work efficiency.
Through setting up guide arm 13, after the reaction tube 3 that accomplishes the purification moves to the left side of carousel 17, need not to loosen hook 15 on this reaction tube 3, directly rotate carousel 17, can make this reaction tube 3 and hook 15 rotate to the right side together, further reduced work load, improved work efficiency.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A thermoplastic epoxy resin characterized by: the thermoplastic epoxy resin is prepared from the following raw materials in parts by weight:
120-140 parts of epoxy resin, 18-22 parts of curing agent, 6-12 parts of thermoplastic elastomer, 7-9 parts of naphthenic oil, 7-8 parts of rock wool, 20-30 parts of solvent and 1-2 parts of auxiliary agent;
the epoxy resin comprises a trifunctional epoxy resin and a tetrafunctional epoxy resin;
the curing agent is an anhydride curing agent;
the thermoplastic elastomer comprises polyether sulfone, polyamide imide particles and polyamide particles;
the solvent is one of petroleum ether, dimethyl sulfoxide and xylene;
the auxiliary agent is one of calcium stearate and zinc stearate.
2. A thermoplastic epoxy resin according to claim 1, wherein: in the thermoplastic elastomer, the molecular weight of the polyether sulfone is 16000-18000g/mol, and the weight ratio of the polyether sulfone to the polyamide imide particles to the polyamide particles is 7:3: 2.
3. A thermoplastic epoxy resin according to claim 1, wherein: the preparation method of the thermoplastic elastomer comprises the following steps: the polyether sulfone, the polyamide imide particles, the polyamide particles and the naphthenic oil are uniformly hot-melted and mixed at the temperature of 160-165 ℃ according to the weight ratio of 7:3:2:2 to prepare the thermoplastic elastomer.
4. A method for producing a thermoplastic epoxy resin, which is suitable for the thermoplastic epoxy resin according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
s1, uniformly mixing the epoxy resin, the thermoplastic elastomer, the rock wool and the auxiliary agent at the temperature of 110 ℃, preserving heat for 1 hour at the temperature of 60 ℃, and naturally cooling to obtain a component A;
s2, uniformly mixing the curing agent and the solvent at room temperature to obtain a component B;
s3, mixing the component A and the component B at room temperature, and stirring in a stirrer at the stirring speed of 1200 r/min for 1.5h to obtain a semi-finished resin;
s4, purifying the semi-finished resin in a purifying device to obtain a thermoplastic epoxy resin finished product, wherein the purifying process comprises the following steps: putting the semi-finished resin into a reaction tube (3), putting the reaction tube (3) into a water bath barrel body (1), filling water liquid into the water bath barrel body (1), heating the water liquid to immerse the reaction tube (3) in hot water, and thus heating and purifying the semi-finished resin in the reaction tube (3).
5. The method for preparing a thermoplastic epoxy resin according to claim 4, wherein: the purification device also comprises two cover plates (2), wherein one cover plate (2) is respectively covered above the water bath cylinder body (1), the other cover plate (2) is positioned at the outer side of the water bath cylinder body (1), a plurality of reaction tubes (3) are installed at the bottom end of the cover plate (2), and a stirring mechanism (4) and a heater are arranged inside the water bath cylinder body (1).
6. The method for preparing a thermoplastic epoxy resin according to claim 5, wherein: the front and the back of water bath barrel (1) all are provided with support (5), fixed mounting has horizontal slide rail (6) on support (5), slidable mounting has horizontal slider (7) on horizontal slide rail (6), the bottom fixed mounting of horizontal slider (7) has vertical slide rail (8), slidable mounting has vertical slider (9) on vertical slide rail (8), rotatable mount (10) on support (5), the inside activity of rotatable mount (10) is pegged graft and is had inserted bar (11), through articulated shaft (12) swing joint between inserted bar (11) and vertical slider (9), install the pressure spring on inserted bar (11), vertical slider (9) are connected with apron (2).
7. The method for preparing a thermoplastic epoxy resin according to claim 6, wherein: the top fixed mounting of apron (2) has lifting plate (202), and fixed mounting has guide arm (13) on support (5), staggers around guide arm (13) and horizontal slide rail (6), and slidable mounting has two slides (14) on guide arm (13), installs on slide (14) and is used for catching on the hook (15) of lifting plate (202).
8. The method for preparing a thermoplastic epoxy resin according to claim 7, wherein: the vertical sliding block (9) is movably inserted with a top plate (901), a supporting spring is installed on the top plate (901), a slope is arranged at the bottom of the top plate (901), a folding plate (201) corresponding to the top plate (901) is fixedly installed at the top of the cover plate (2), a hook plate (203) and a one-way push plate (204) are installed at the left end and the right end of the cover plate (2) respectively, and the one-way push plate (204) is used for pushing the hook plate (203).
9. The method for preparing a thermoplastic epoxy resin according to claim 8, wherein: the water bath device is characterized in that a gear (16) is rotatably mounted on the sliding seat (14), a damping piece and a reset torsion spring are arranged on the gear (16), a slope is arranged at the bottom end of the hook claw (15), the hook claw (15) is fixedly mounted at the bottom end of the gear (16), a rack plate (902) matched with the gear (16) is arranged on the vertical sliding block (9), a rotatable turntable (17) is arranged on the outer side of the water bath barrel body (1), and a base plate (18) used for supporting the reaction tube (3) is arranged at the top of the turntable (17).
10. The method for preparing a thermoplastic epoxy resin according to claim 9, wherein: the guide rod (13) is provided with an arc-shaped section, and the circle center of the arc-shaped section is concentric with the rotary table (17).
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| CN202210286751.9A CN114591599A (en) | 2022-03-22 | 2022-03-22 | Thermoplastic epoxy resin and preparation method thereof |
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| JPH08337707A (en) * | 1995-04-12 | 1996-12-24 | Toray Ind Inc | Epoxy resin composition, prepreg and fiber-reinforced composite material |
| CN102516717A (en) * | 2011-12-22 | 2012-06-27 | 云南云岭高速公路养护绿化工程有限公司 | Thermoplastic elastomer toughened epoxy resin, its preparation and its application |
| CN103328529A (en) * | 2010-10-12 | 2013-09-25 | 赫克塞尔公司 | Solvent resistant thermoplastic toughened epoxy |
| US20160340485A1 (en) * | 2014-02-25 | 2016-11-24 | Toray Industries, Inc. | Epoxy resin composition, resin cured product, fiber-reinforced composite material, and prepreg |
| CN106170504A (en) * | 2014-03-07 | 2016-11-30 | 赫克赛尔公司 | The room temperature storage epoxy resin extended |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08337707A (en) * | 1995-04-12 | 1996-12-24 | Toray Ind Inc | Epoxy resin composition, prepreg and fiber-reinforced composite material |
| CN103328529A (en) * | 2010-10-12 | 2013-09-25 | 赫克塞尔公司 | Solvent resistant thermoplastic toughened epoxy |
| CN102516717A (en) * | 2011-12-22 | 2012-06-27 | 云南云岭高速公路养护绿化工程有限公司 | Thermoplastic elastomer toughened epoxy resin, its preparation and its application |
| US20160340485A1 (en) * | 2014-02-25 | 2016-11-24 | Toray Industries, Inc. | Epoxy resin composition, resin cured product, fiber-reinforced composite material, and prepreg |
| CN106170504A (en) * | 2014-03-07 | 2016-11-30 | 赫克赛尔公司 | The room temperature storage epoxy resin extended |
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