CN109354999A - A kind of polyurethane water-proof paint production line - Google Patents
A kind of polyurethane water-proof paint production line Download PDFInfo
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- CN109354999A CN109354999A CN201811144738.XA CN201811144738A CN109354999A CN 109354999 A CN109354999 A CN 109354999A CN 201811144738 A CN201811144738 A CN 201811144738A CN 109354999 A CN109354999 A CN 109354999A
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- proof paint
- polyurethane water
- production line
- screw extruder
- kettle
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of polyurethane water-proof paint production lines, it include: nanometer calcium carbonate drying kettle, nanometer calcium carbonate cools down powder cabin, and powdered whiting dries kettle, the cooling powder cabin of powdered whiting, dehydrating kettle, polymeric kettle, performed polymer storage tank, single order double screw extruder, second order double screw extruder and finished product material storage tank.Production line of the present invention can produce the one pack system thixotropic urethane water-repellent paint that sag resistance can be good.
Description
Technical field
The present invention relates to a kind of polyurethane water-proof paint production lines.
Background technique
Some heavy constructions, such as underground pipe gallery, large-scale stadium basement metope, subway, tunnel, people's air defense, need
Waterproof construction is carried out in facade or slope.Conventional polyurethanes water-repellent paint does not have thixotropy, and coating is easy stream in elevation construction
It drops down, became uneven, and artificial blade coating is inconvenient, to brush the film of 1.5mm thickness, it may be necessary to multipass brushing, significant wastage
The artificial and construction time.
In addition, traditional polyurethane water-proof paint is all raw with paddle, frame or paddle and frame combination stirred autoclave
It producing, all raw material such as polyethers, plasticizer, powder etc. all add in a kettle, it is stirred dispersion mixing, but to life
High thixotropic, the polyurethane water-proof paint with sag resistance energy are produced, needs the powder of Ghana's meter level, common agitating mode is difficult
These powder lot dispersings are uniform, and the thixotropy of coating is better, in polymerization process, the mobility of material is poorer, synthesis
Prepolymer mass stability it is poorer, and later period viscosity is big, and finished product materials blowing from reaction kettle is difficult.Therefore, with tradition
Mode produces the good polyurethane water-proof paint of thixotropy, will generate following problems: first, nanoscale powder filler is difficult with tradition
Stirred tank it is scattered；Second, with traditional agitating mode, material mixed effect is bad, and reaction heat is easy to produce in local accumulation
Raw implode, stable product quality are deteriorated；Third, material are easy skinning in kettle wall position, need frequent clear kettle, time-consuming；
4th, finished product materials are difficult to release out of kettle, cause packaging difficult, material skinning in kettle in packaging process.Therefore, tradition is anti-
Answer autoclave production method that cannot produce the polyurethane water-proof paint that thixotropy is good, anti-sag is had excellent performance.
Summary of the invention
The purpose of the present invention is to provide a kind of polyurethane water-proof paint production lines, and can produce sag resistance can be good
One pack system thixotropic urethane water-repellent paint.
To achieve the above object, the technical scheme is to design a kind of polyurethane water-proof paint production lines, comprising:
Nanometer calcium carbonate dries kettle, carries out drying and processing to nanometer calcium carbonate；
Nanometer calcium carbonate cools down powder cabin, the nanometer calcium carbonate after storing drying and processing；
Powdered whiting dries kettle, carries out drying and processing to powdered whiting；
Powdered whiting cools down powder cabin, the powdered whiting after storing drying and processing；
Dehydrating kettle carries out heating stirring dehydration to the pure and mild plasticizer of polyether polyols under vacuum conditions；
Polymeric kettle, the material and MDI-50 complete to dehydrating kettle processing carry out constant temperature stirring, keep material synthesis of polyurethane pre-
Aggressiveness；
Performed polymer storage tank, the base polyurethane prepolymer for use as that storage polymeric kettle is exported；
Single order double screw extruder, base polyurethane prepolymer for use as, the nano-calcium carbonate that performed polymer storage tank is exported under vacuum conditions
The powdered whiting and graphene that nanometer calcium carbonate that the cooling powder cabin of calcium is exported, the cooling powder cabin of powdered whiting are exported into
Row mixing treatment, disperses material effectively；
Second order double screw extruder, material, No. 200 solvents that single order double screw extruder is exported under vacuum conditions
Oil, N330 carbon black, defoaming agent, organotin catalysts and imines latent curing agent carry out mixing treatment, disperse material effectively,
Polyurethane water-proof paint is made；
And finished product material storage tank, the polyurethane water-proof paint that storage second order double screw extruder is exported.
Preferably, the polyurethane water-proof paint production line further includes binder cylinder, first receives finished product material storage tank and is exported
Polyurethane water-proof paint, and by polyurethane water-proof paint pressurize be sent into packing container.
Preferably, the entire production line uses nitrogen protection.
Preferably, the vacuum degree control of the dehydrating kettle is in≤- 0.09MPa.
Preferably, the stirring slurry revolving speed of the polymeric kettle is controlled in 30~60rpm.
Preferably, the revolving speed of the single order double screw extruder is controlled in 30~250rpm.
Preferably, the vacuum degree control of the single order double screw extruder is in≤- 0.085MPa.
Preferably, the revolving speed of the second order double screw extruder is controlled in 50~250rpm.
Preferably, the vacuum degree control of the second order double screw extruder is in≤- 0.05MPa.
The advantages and beneficial effects of the present invention are: a kind of polyurethane water-proof paint production line, can produce anti-sag
The good one pack system thixotropic urethane water-repellent paint of performance.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.Following embodiment is only used for more
Add and clearly demonstrate technical solution of the present invention, and not intended to limit the protection scope of the present invention.
The technical solution that the present invention embodies is:
A kind of polyurethane water-proof paint production line, comprising:
Nanometer calcium carbonate dries kettle, carries out drying and processing to nanometer calcium carbonate；
Nanometer calcium carbonate cools down powder cabin, the nanometer calcium carbonate after storing drying and processing；
Powdered whiting dries kettle, carries out drying and processing to powdered whiting；
Powdered whiting cools down powder cabin, the powdered whiting after storing drying and processing；
Dehydrating kettle carries out heating stirring dehydration to the pure and mild plasticizer of polyether polyols under vacuum conditions；
Polymeric kettle, the material and MDI-50 complete to dehydrating kettle processing carry out constant temperature stirring, keep material synthesis of polyurethane pre-
Aggressiveness；
Performed polymer storage tank, the base polyurethane prepolymer for use as that storage polymeric kettle is exported；
Single order double screw extruder, base polyurethane prepolymer for use as, the nano-calcium carbonate that performed polymer storage tank is exported under vacuum conditions
The powdered whiting and graphene that nanometer calcium carbonate that the cooling powder cabin of calcium is exported, the cooling powder cabin of powdered whiting are exported into
Row mixing treatment, disperses material effectively；
Second order double screw extruder, material, No. 200 solvents that single order double screw extruder is exported under vacuum conditions
Oil, N330 carbon black, defoaming agent, organotin catalysts and imines latent curing agent carry out mixing treatment, disperse material effectively,
Polyurethane water-proof paint is made；
Finished product material storage tank, the polyurethane water-proof paint that storage second order double screw extruder is exported.
Preferably, the polyurethane water-proof paint production line further includes binder cylinder, first receives finished product material storage tank and is exported
Polyurethane water-proof paint, and by polyurethane water-proof paint pressurize be sent into packing container.
Preferably, the entire production line uses nitrogen protection.
The production technology that production line of the present invention prepares polyurethane water-proof paint is as follows:
1) nanometer calcium carbonate that 10 mass parts partial sizes are 80~100nm is put into nanometer calcium carbonate drying kettle and is dried to moisture content
≤ 0.8 ‰, it is spare that the nanometer calcium carbonate after drying is sent into the cooling powder cabin of nanometer calcium carbonate；By the heavy carbon of 20 mass parts, 1250 mesh
Moisture content≤0.5 ‰ are dried in sour calcium investment powdered whiting drying kettle, the powdered whiting after drying is sent into heavy carbonic acid
The cooling powder cabin of calcium is spare；
2) the pure and mild 15 mass parts plasticizer of polyether polyols that 25 mass parts molecular weight are 2000 is added in dehydrating kettle, while stirring
Heating, starts to vacuumize, and be continuously heating to 110 DEG C, then 110 ± 5 DEG C of constant temperature vacuumize and stir dehydration when being warming up to 80 DEG C,
When water content≤0.3 ‰, stop vacuumizing；Material in dehydrating kettle is transferred in polymeric kettle again, material drops in polymeric kettle
When temperature is to 85 DEG C, 6 mass parts MDI-50 are added, is stirred to react 3 hours in 85 ± 3 DEG C of constant temperature, obtains base polyurethane prepolymer for use as；It will gather
Urethane performed polymer be cooled to 40 DEG C or less transfer to it is spare in performed polymer storage tank；
The polyether polyol is selected from one or both of polyether Glycols, polyether-tribasic alcohol；
The plasticizer is selected from one or both of diisononyl phthalate, vegetable oil plasticizer.
The vacuum degree control that dehydrating kettle vacuumizes is in≤- 0.09MPa；
The stirring slurry revolving speed of polymeric kettle is controlled in 30~60rpm；
3) by the nanometer calcium carbonate after drying obtained by step 1), powdered whiting, step 2 gained base polyurethane prepolymer for use as and 3
It is sent into single order double screw extruder after mass parts graphene premix to be effectively disperseed, material mixes in single order double screw extruder
It is vacuumized during closing；
The revolving speed of single order double screw extruder is controlled in 30~250rpm；
The vacuum degree control that single order double screw extruder vacuumizes is in≤- 0.085MPa；
4) after the completion of material disperses in single order double screw extruder, it is sent into second order double screw extruder, adds 10 mass parts
No. 200 solvent naphthas, 5 mass parts N330 carbon blacks, 0.02 mass parts defoaming agent, 0.1 mass parts organotin catalysts and 3 mass parts
Imines latent curing agent is effectively disperseed, and material is vacuumized in mixed process in second order double screw extruder；
The revolving speed of second order double screw extruder is controlled in 50~250rpm；
The vacuum degree control that second order double screw extruder vacuumizes is in≤- 0.05MPa；
5) it after material has dispersed in second order double screw extruder, is sent into finished product material storage tank and keeps in；
The vacuum degree control of finished product material storage tank is in -0.08MPa~-0.06MPa；
6) pressurized package is carried out by binder cylinder；Binder cylinder first receives the polyurethane water-proof paint that finished product material storage tank is exported, then
Polyurethane water-proof paint is pressurizeed and is sent into packing container；
The entire production line uses nitrogen protection, and entire production process uses nitrogen protection.
The present invention does not have thixotropy, the problem that facade sag resistance can be bad, by matching for conventional polyurethanes coating
Compound thixotropic agent nanometer calcium carbonate and graphene are added in cube system, improves the sag resistance energy of product.
However the anti-sag polyurethane water-proof paint produced with traditional approach, the sag resistance of coating can be better, flowing
Property is poorer.Therefore, traditional mode of production mode is difficult to open in nanoscale calcium carbonate and graphene dispersion.In order to solve traditional approach
Poor fluidity is easy to happen office after nanopowder disperses not open when producing anti-sag polyurethane water-proof paint, thixotropic agent is added in system
Portion's implode, the good poor fluidity of sag resistance lead to the difficulty that discharges, and the present invention produces anti-sag polyurethane using the method for fractional steps
Water-repellent paint, first will after polyethers, plasticizer finished off water be added MDI-50 synthesize performed polymer, then by after drying powder and pre-polymerization
Body carries out dispersion mixing in single order double screw extruder, and solvent, auxiliary agent are added in second order double screw extruder.
Production method of the invention has following advantage:
1, the present invention can produce high anti-sag polyurethane water-proof paint using the method for fractional steps, and traditional reaction kettle cannot produce.
2, due to not adding powder, auxiliary agent and solvent in performed polymer synthetic system of the present invention, performed polymer performance is more stable.
3, shearing, dispersion of the powder of the invention (the especially superfine powders such as nanometer calcium carbonate, graphene) in twin-screw
Under effect, disperse in performed polymer more evenly, the finer and smoother (polyurethane water-proof prepared by traditional mode of production mode of coating finished appearance
Coating finished product has particle), the tensile break strength of coating finished product prepared by the present invention improves 20% or more than traditional mode of production mode.
4, the polyurethane water-proof paint quality that present invention twin-screw produces is stablized, and loss is few.It is poly- when traditional approach produces
Urethane apply material kettle wall will skinning it is serious, influence thermal conductivity, properties of product stability is poor.The present invention is not due to adding powder, object early period
Expect that viscosity is little, adds nitrogen protection, hardly skinning in kettle.
5, the phase is added in reaction kettle catalyst after manufacture in traditional mode of production mode, is easy to cause reaction kettle skinning.This hair
The auxiliary agents such as catalyst add in second order double screw extruder in bright production method, therefore in preceding several stages, the stabilization of material
Property is good, and the production accidents such as implode will not occur.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of polyurethane water-proof paint production line characterized by comprising
Nanometer calcium carbonate dries kettle, carries out drying and processing to nanometer calcium carbonate；
Nanometer calcium carbonate cools down powder cabin, the nanometer calcium carbonate after storing drying and processing；
Powdered whiting dries kettle, carries out drying and processing to powdered whiting；
Powdered whiting cools down powder cabin, the powdered whiting after storing drying and processing；
Dehydrating kettle carries out heating stirring dehydration to the pure and mild plasticizer of polyether polyols under vacuum conditions；
Polymeric kettle, the material and MDI-50 complete to dehydrating kettle processing carry out constant temperature stirring, keep material synthesis of polyurethane pre-
Aggressiveness；
Performed polymer storage tank, the base polyurethane prepolymer for use as that storage polymeric kettle is exported；
Single order double screw extruder, base polyurethane prepolymer for use as, the nano-calcium carbonate that performed polymer storage tank is exported under vacuum conditions
The powdered whiting and graphene that nanometer calcium carbonate that the cooling powder cabin of calcium is exported, the cooling powder cabin of powdered whiting are exported into
Row mixing treatment, disperses material effectively；
Second order double screw extruder, material, No. 200 solvents that single order double screw extruder is exported under vacuum conditions
Oil, N330 carbon black, defoaming agent, organotin catalysts and imines latent curing agent carry out mixing treatment, disperse material effectively,
Polyurethane water-proof paint is made；
And finished product material storage tank, the polyurethane water-proof paint that storage second order double screw extruder is exported.
2. polyurethane water-proof paint production line according to claim 1, which is characterized in that further include binder cylinder, first connect
The polyurethane water-proof paint that finished product material storage tank is exported is received, and polyurethane water-proof paint is pressurizeed and is sent into packing container.
3. polyurethane water-proof paint production line according to claim 2, which is characterized in that the entire production line is protected using nitrogen
Shield.
4. polyurethane water-proof paint production line according to claim 3, which is characterized in that the vacuum degree control of the dehydrating kettle
System is in≤- 0.09MPa.
5. polyurethane water-proof paint production line according to claim 4, which is characterized in that the stirring slurry of the polymeric kettle turns
Speed control is in 30~60rpm.
6. polyurethane water-proof paint production line according to claim 5, which is characterized in that the single order double screw extruder
Revolving speed control in 30~250rpm.
7. polyurethane water-proof paint production line according to claim 6, which is characterized in that the single order double screw extruder
Vacuum degree control in≤- 0.085MPa.
8. polyurethane water-proof paint production line according to claim 7, which is characterized in that the second order double screw extruder
Revolving speed control in 50~250rpm.
9. polyurethane water-proof paint production line according to claim 8, which is characterized in that the second order double screw extruder
Vacuum degree control in≤- 0.05MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811144738.XA CN109354999A (en) | 2018-09-29 | 2018-09-29 | A kind of polyurethane water-proof paint production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811144738.XA CN109354999A (en) | 2018-09-29 | 2018-09-29 | A kind of polyurethane water-proof paint production line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408259A (en) * | 2019-08-26 | 2019-11-05 | 佛山市金银河智能装备股份有限公司 | A kind of tinuous production of polyurethane coating |
| CN110591541A (en) * | 2019-10-16 | 2019-12-20 | 远大洪雨（唐山）防水材料有限公司 | Single-component polyurethane waterproof coating production line |
| CN111253849A (en) * | 2019-12-17 | 2020-06-09 | 江苏凯伦建材股份有限公司 | Single-component solvent-free anti-sagging polyurethane waterproof coating, production system and production method thereof |
| WO2021120001A1 (en) * | 2019-12-17 | 2021-06-24 | 江苏凯伦建材股份有限公司 | Single-component solvent-free anti-sagging polyurethane waterproof coating, production system, and production method thereof |
| CN113861825A (en) * | 2021-10-18 | 2021-12-31 | 黄冈凯伦新材料有限公司 | Production process of polyurethane waterproof material |
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| CN111253849A (en) * | 2019-12-17 | 2020-06-09 | 江苏凯伦建材股份有限公司 | Single-component solvent-free anti-sagging polyurethane waterproof coating, production system and production method thereof |
| WO2021120001A1 (en) * | 2019-12-17 | 2021-06-24 | 江苏凯伦建材股份有限公司 | Single-component solvent-free anti-sagging polyurethane waterproof coating, production system, and production method thereof |
| CN113861825A (en) * | 2021-10-18 | 2021-12-31 | 黄冈凯伦新材料有限公司 | Production process of polyurethane waterproof material |
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