CN114102944A - Paint production equipment and production method thereof - Google Patents
Paint production equipment and production method thereof Download PDFInfo
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- CN114102944A CN114102944A CN202010901162.8A CN202010901162A CN114102944A CN 114102944 A CN114102944 A CN 114102944A CN 202010901162 A CN202010901162 A CN 202010901162A CN 114102944 A CN114102944 A CN 114102944A
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- air pipe
- box
- cavity
- pipe
- box body
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000003973 paint Substances 0.000 title claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract 8
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 229920001721 polyimide Polymers 0.000 claims description 9
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 claims description 6
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 claims description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 abstract 1
- 210000003437 trachea Anatomy 0.000 description 16
- 239000002184 metal Substances 0.000 description 6
- 238000011085 pressure filtration Methods 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/36—Feeding the material on to the mould, core or other substrate
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
- C08G73/105—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the diamino moiety
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
- C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
The invention discloses a paint preparation device, in particular to a paint preparation production device, which comprises: the reaction kettle comprises a box body, wherein a partition plate is arranged in the box body and divides the box body into a first cavity and a second cavity, a feeding pipe and a first air pipe are connected to the first cavity, the feeding pipe is connected with a liquid storage tank, the liquid storage tank is connected to a filter-pressing box through a first guide pipe, the filter-pressing box is connected with the reaction kettle through a second guide pipe, a discharging port is formed in the lower portion of the box body, a through hole is formed in the partition plate, a second air pipe penetrating through the partition plate is arranged on the partition plate, a third air pipe is connected to the second cavity, and a scraping plate is arranged on the side face of the box body; during the use, the box UNICOM has the air supply, and when the discharge velocity slowed down in the discharge gate is followed to the raw materials, atmospheric pressure in the box can rise, increases the discharge velocity of raw materials, has realized dynamic balance, guarantees that the raw materials evenly discharges, excellent in use effect.
Description
Technical Field
The invention relates to the technical field of polyimide film production, in particular to paint production equipment and a production method thereof.
Background
The polyimide film is a new high-temp. resistant organic polymer film, which is made up by using pyromellitic acid di-complex and diaminodiphenyl ether through the processes of polycondensation, flow-casting and film-forming in the presence of strong solvent dimethylacetamide and imidization, and is a film-like insulating material with best performance in the world, and possesses excellent mechanical property, electric property, chemical stability, radiation-resisting property, high-temp. resistance and low-temp. resistance, so that it can be extensively used in the fields of aviation, navigation, spaceship, rocket missile, atomic energy and electronic and electric industries, etc.. In the existing production mode, the paint preparation process has certain problems and needs to be improved.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides paint production equipment to solve the technical problems.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a paint production device, which comprises: the box, be provided with the baffle in the box, the baffle divide into first cavity and second cavity to the box, be connected with inlet pipe and first trachea on the first cavity, the inlet pipe is connected with the liquid reserve tank, the liquid reserve tank is through first pipe connection on the filter-press box, the filter-press box is connected with reation kettle through the second pipe, the box below is provided with the discharge gate, be provided with the through-hole on the baffle, be provided with the second trachea that runs through the baffle on the baffle, be connected with the third trachea on the second cavity, the box side is provided with the scraper blade.
Preferably, a filter screen is arranged in the middle of the filter-pressing box, the filter screen divides the filter-pressing box into a third chamber and a fourth chamber, a fourth air pipe is connected to the third chamber, the fourth air pipe is connected with an air source, a fifth air pipe is connected to the fourth chamber, and the fifth air pipe is connected with a vacuum pump.
Preferably, a second conduit is connected to the third chamber, and a first conduit is connected to the fourth chamber.
Preferably, the liquid storage tank is connected with a sixth air pipe, and the sixth air pipe is connected with an air source.
Preferably, the inner diameter of the first air pipe is larger than that of the second air pipe, the inner diameter of the second air pipe is larger than that of the third air pipe, and the first air pipe is connected with an air source through a valve.
Preferably, a heater is arranged on the side surface of the box body.
Preferably, the production method of the paint production equipment comprises the following steps:
step 1: dissolving: adding 800Kg of dimethylacetamide 700-plus, adding 90-110Kg of diaminodiphenyl ether into the reaction kettle, and dissolving for 1.5-3 hours at normal temperature;
step 2: polymerization: adding 130Kg of pyromellitic dianhydride 100-one into a reaction kettle, and polymerizing for 6 hours at the reaction temperature of less than 70 ℃;
step 3: adding an additive: adding 500-700Kg of release agent into the reaction kettle, wherein the reaction temperature is less than 70 ℃;
step 4: adjusting viscosity: adding 0.1-3Kg of pyromellitic dianhydride into a reaction kettle, wherein the reaction temperature is 50-65 ℃;
step 5: and (3) filter pressing: opening a valve on the second conduit, putting the raw materials generated in the reaction kettle into a filter pressing box, then closing the valve on the second conduit, pressurizing to 0.4-0.7Mpa in a fourth air pipe, and enabling the raw materials in the third chamber to enter the fourth chamber through a filter screen;
step6, defoaming, namely starting a vacuum pump, adjusting the pressure to be 0.06-0.1Mpa, and defoaming the raw material in the fourth chamber for 0.1-1 hour;
step 7: temporary storage: closing the vacuum pump, opening a valve on the first conduit, temporarily storing the raw material in the fourth chamber in a liquid storage tank, and then closing the valve on the first conduit;
step 8: liquid supplementing: pressurizing to 0.6-1Mpa in the sixth air pipe, and pressing the raw materials in the liquid storage tank into the tank body;
step 9: production: pressurizing the first air pipe to 0.4-0.6Mpa to ensure that the discharging speed of the discharging port meets the use requirement, and starting to produce the polyimide film.
The invention has the beneficial effects that: the polyimide raw material produced by the device and the method has less foam and good use effect; meanwhile, when the air-assisted material discharging device is used, the box body is communicated with an air source, when the discharging speed of the raw materials from the discharging port is slowed, the air pressure in the box body can be increased, the discharging speed of the raw materials is increased, otherwise, when the discharging speed of the raw materials from the discharging port is slowed, the air pressure can be reduced, the discharging speed of the raw materials is slowed, dynamic balance is realized, the raw materials are uniformly discharged, and the using effect is good; the box has two cavities, can play the cushioning effect to the atmospheric pressure change in the box, makes the raw materials discharge more evenly.
Drawings
The foregoing aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a paint production apparatus according to an embodiment of the present invention;
FIG. 2 is another schematic structural view of a paint production apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the internal structure of the paint production apparatus of the embodiment of the present invention.
Description of reference numerals:
in fig. 1-3, a case 1; a heater 2; a squeegee 3; a first gas pipe 4; a feed pipe 5; a liquid storage tank 6; a sixth gas pipe 7; a first conduit 8; a filter press box 9; a fourth gas pipe 10; a fifth gas pipe 11; a second conduit 12; a third air pipe 13; a through hole 14; a second air pipe 15; a discharge port 16.
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.
The invention provides a paint production device, which comprises: the box 1, be provided with the baffle in the box 1, the baffle divide into first cavity and second cavity to box 1, be connected with inlet pipe 5 and first trachea 4 on the first cavity, inlet pipe 5 is connected with liquid reserve tank 6, liquid reserve tank 6 is connected on filter-pressing case 9 through first pipe 8, filter-pressing case 9 is connected with reation kettle through second pipe 12, 1 below of box is provided with discharge gate 16, be provided with through-hole 14 on the baffle, be provided with the second trachea 15 that runs through the baffle on the baffle, be connected with third trachea 13 on the second cavity, 1 side of box is provided with scraper blade 3.
The box 1 is a hollow metal box, and the baffle is a metal sheet, and inlet pipe 5, first pipe 8 and second pipe 12 all are nonrust steel pipe, and first trachea 4, second trachea 15, third trachea 13, fourth trachea 10, fifth trachea 11 and sixth trachea 7 all are the metal tube, and scraper blade 3 is the metal sheet for scrape even polyimide, and reation kettle is reation kettle commonly used, and this application does not improve it.
Be provided with the filter screen in the middle of the pressure filtration case 9, the filter screen divides pressure filtration case 9 into third cavity and fourth cavity, be connected with fourth trachea 10 on the third cavity, fourth trachea 10 is connected with the air supply, be connected with fifth trachea 11 on the fourth cavity, fifth trachea 11 is connected with the vacuum pump, the filter screen is the current filter screen for polyimide filter-pressing commonly used, this device does not improve, pressure filtration case 9 is a rectangle metal box, the filter screen is fixed in the centre of pressure filtration case 9, divide into upper and lower two parts with pressure filtration case 9, upper portion is the third cavity, the lower part is the fourth cavity.
The third chamber is connected to a second conduit 12 and the fourth chamber is connected to a first conduit 8.
The liquid storage tank 6 is connected with a sixth air pipe 7, the sixth air pipe 7 is connected with an air source, and the liquid storage tank 6 is a metal box.
The inner diameter of the first air pipe 4 is larger than that of the second air pipe 15, the inner diameter of the second air pipe 15 is larger than that of the third air pipe 13, the first air pipe 4 is connected with an air source through a valve, so that the air pressure in the first cavity is larger than that of the second cavity, the air pressure in the second cavity is larger than the external atmospheric pressure, the specific diameter can be selected according to needs, the inner diameter of the first guide pipe 8 can also be selected to be 2-3 times of the inner diameter of the second guide pipe 12, and the inner diameter of the second guide pipe 12 is 2-3 times of the inner diameter of the third guide pipe.
The heater 2 is arranged on the side surface of the box body 1, the heater 2 is selected according to the required temperature and the size of the box body 1, and the selection standard is that the raw materials in the box body 1 can be heated to the specified temperature.
The production method of the paint production equipment comprises the following steps:
step 1: dissolving: adding 760Kg of dimethylacetamide into a reaction kettle, adding 100Kg of diaminodiphenyl ether into the reaction kettle, and dissolving for 2 hours at normal temperature;
step 2: polymerization: adding 108Kg of pyromellitic dianhydride into the reaction kettle, and polymerizing for 6 hours at the reaction temperature of 55 ℃;
step 3: adding an additive: adding 600Kg of release agent into a reaction kettle, wherein the reaction temperature is 55 ℃;
step 4: adjusting viscosity: 1Kg of pyromellitic dianhydride is added into a reaction kettle, and the reaction temperature is 55 ℃;
step 5: and (3) filter pressing: opening a valve on the second conduit 12, putting the raw materials generated in the reaction kettle into the filter-pressing box 9, then closing the valve on the second conduit 12, pressurizing to 0.6Mpa in the fourth air pipe 10, and leading the raw materials in the third chamber to enter the fourth chamber through a filter screen;
step6, defoaming, namely starting a vacuum pump, regulating the pressure to be 0.07Mpa, and defoaming the raw material in the fourth chamber for 0.5 hour;
step 7: temporary storage: closing the vacuum pump, opening a valve on the first conduit 8, placing the raw material in the fourth chamber into the liquid storage tank 6 for temporary storage, and then closing the valve on the first conduit 8;
step 8: liquid supplementing: pressurizing to 0.6Mpa in the sixth air pipe 7, and pressing the raw materials in the liquid storage tank 6 into the box body 1;
step 9: production: pressurizing the first air pipe 4 to 0.5Mpa to ensure that the discharging speed of the discharging hole 16 meets the use requirement, and starting to produce the polyimide film.
The polyimide raw material produced by the device and the method has less foam and good use effect; meanwhile, when the device is used, the box body 1 is communicated with an air source, when the discharge speed of the raw materials from the discharge hole 16 is slowed, the air pressure in the box body 1 can be increased, the discharge speed of the raw materials is increased, otherwise, when the discharge speed of the raw materials from the discharge hole 16 is slowed, the air pressure can be reduced, the discharge speed of the raw materials is slowed, dynamic balance is realized, the raw materials are uniformly discharged, and the use effect is good; the box body 1 is provided with two cavities, so that the air pressure change in the box body 1 can be buffered, and the raw materials can be discharged more uniformly.
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A paint manufacturing apparatus comprising: the box, its characterized in that: the improved filter press is characterized in that a partition plate is arranged in the box body and divides the box body into a first cavity and a second cavity, an inlet pipe and a first air pipe are connected to the first cavity, the inlet pipe is connected with a liquid storage box, the liquid storage box is connected to a filter press box through a first guide pipe, the filter press box is connected with a reaction kettle through a second guide pipe, a discharge port is formed in the lower portion of the box body, a through hole is formed in the partition plate, a second air pipe penetrating through the partition plate is formed in the partition plate, a third air pipe is connected to the second cavity, and a scraper plate is arranged on the side face of the box body.
2. The paint production apparatus as claimed in claim 1, wherein: the filter press is characterized in that a filter screen is arranged in the middle of the filter press box, the filter screen divides the filter press box into a third cavity and a fourth cavity, a fourth air pipe is connected to the third cavity, the fourth air pipe is connected with an air source, a fifth air pipe is connected to the fourth cavity, and the fifth air pipe is connected with a vacuum pump.
3. A paint manufacturing apparatus as claimed in claim 2, characterised in that: the third chamber is connected with a second conduit, and the fourth chamber is connected with a first conduit.
4. The paint production apparatus as claimed in claim 1, wherein: and the liquid storage tank is connected with a sixth air pipe, and the sixth air pipe is connected with an air source.
5. The paint production apparatus as claimed in claim 1, wherein: the inner diameter of the first air pipe is larger than that of the second air pipe, the inner diameter of the second air pipe is larger than that of the third air pipe, and the first air pipe is connected with an air source through a valve.
6. The paint production apparatus as claimed in claim 1, wherein: the side of the box body is provided with a heater.
7. The production method of the paint manufacturing apparatus as claimed in any one of claims 1 to 6, characterized in that: the method comprises the following steps:
step 1: dissolving: adding 800Kg of dimethylacetamide 700-plus, adding 90-110Kg of diaminodiphenyl ether into the reaction kettle, and dissolving for 1.5-3 hours at normal temperature;
step 2: polymerization: adding 130Kg of pyromellitic dianhydride 100-one into the reaction kettle, and polymerizing for 5-7 hours at the reaction temperature of less than 70 ℃;
step 3: adding an additive: adding 500-700Kg of release agent into the reaction kettle, wherein the reaction temperature is less than 70 ℃;
step 4: adjusting viscosity: adding 0.1-3Kg of pyromellitic dianhydride into a reaction kettle, wherein the reaction temperature is 50-65 ℃;
step 5: and (3) filter pressing: opening a valve on the second conduit, putting the raw materials generated in the reaction kettle into a filter pressing box, then closing the valve on the second conduit, pressurizing to 0.4-0.7Mpa in a fourth air pipe, and enabling the raw materials in the third chamber to enter the fourth chamber through a filter screen;
step6, defoaming, namely starting a vacuum pump, adjusting the pressure to be 0.06-0.1Mpa, and defoaming the raw material in the fourth chamber for 0.1-1 hour;
step 7: temporary storage: closing the vacuum pump, opening a valve on the first conduit, temporarily storing the raw material in the fourth chamber in a liquid storage tank, and then closing the valve on the first conduit;
step 8: liquid supplementing: pressurizing to 0.6-1Mpa in the sixth air pipe, and pressing the raw materials in the liquid storage tank into the tank body;
step 9: production: pressurizing the first air pipe to 0.4-0.6Mpa to ensure that the discharging speed of the discharging port meets the use requirement, and starting to produce the polyimide film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901162.8A CN114102944A (en) | 2020-09-01 | 2020-09-01 | Paint production equipment and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901162.8A CN114102944A (en) | 2020-09-01 | 2020-09-01 | Paint production equipment and production method thereof |
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| Publication Number | Publication Date |
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| CN114102944A true CN114102944A (en) | 2022-03-01 |
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| CN202010901162.8A Pending CN114102944A (en) | 2020-09-01 | 2020-09-01 | Paint production equipment and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101767394A (en) * | 2010-01-14 | 2010-07-07 | 浙江雷博司电器有限公司 | Automatic control system of epoxy resin gel forming machine |
| CN107141796A (en) * | 2017-05-25 | 2017-09-08 | 苏州中亚芯能新材料科技有限公司 | A kind of nano modification polyimides and its preparation system and preparation method |
| CN107471675A (en) * | 2017-09-11 | 2017-12-15 | 山东众鑫电子材料有限公司 | A kind of biaxial tension Kapton manufacture method |
| CN108819063A (en) * | 2018-06-08 | 2018-11-16 | 温岭市聚氟科技有限公司 | Curtain coating valve and the apparatus for coating for having the curtain coating valve |
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2020
- 2020-09-01 CN CN202010901162.8A patent/CN114102944A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767394A (en) * | 2010-01-14 | 2010-07-07 | 浙江雷博司电器有限公司 | Automatic control system of epoxy resin gel forming machine |
| CN107141796A (en) * | 2017-05-25 | 2017-09-08 | 苏州中亚芯能新材料科技有限公司 | A kind of nano modification polyimides and its preparation system and preparation method |
| CN107471675A (en) * | 2017-09-11 | 2017-12-15 | 山东众鑫电子材料有限公司 | A kind of biaxial tension Kapton manufacture method |
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