Summary of the invention
The technical problem to be solved in the present invention is for the weak point existing for prior art, a kind of new polyturethane waterproofing paint production equipment and technique thereof are provided, utilize this production equipment and technique thereof, carry out while can realizing multiple operation, greatly save time, enhance productivity, and be of value to and improve the quality of products.
A kind of new polyturethane waterproofing paint production equipment, comprising: mono-component polyurethane reactor, mono-component polyurethane grinding storage tank, mono-component polyurethane material-compound tank, two component polyurethane B expect material-compound tank, two component polyurethane B abrasive lapping storage tank, two component polyurethane B material reactor, two component polyurethane A material reactor and connecting tube and control valve.
As preferably, described mono-component polyurethane reactor comprises 6, be respectively 1 ~ 6# mono-component polyurethane reactor, mono-component polyurethane grinding storage tank 2, be respectively 7 ~ 8# mono-component polyurethane grinding storage tank, mono-component polyurethane material-compound tank is 4, be respectively 9 ~ 12# mono-component polyurethane material-compound tank, two component polyurethane B expects that material-compound tank is 1, for 13# two component polyurethane B expects material-compound tank, two component polyurethane B abrasive lapping storage tank is 1, for 14# two component polyurethane B abrasive lapping storage tank, two component polyurethane B expects that reactor is 2, be respectively 15 ~ 16# two component polyurethane B and expect reactor, two component polyurethane A expects that reactor is 3, be respectively 17 ~ 19# two component polyurethane A and expect reactor.
As preferably, also comprise 6 starting material storage tanks, be respectively 1 ~ 6# starting material storage tank;
Wherein 1 ~ 3# starting material storage tank expects material-compound tank by connecting tube with 9 ~ 12# mono-component polyurethane material-compound tank, 13# two component polyurethane B, 17 ~ 19# two component polyurethane A expects that the first opening for feed of reactor is connected;
4 ~ 6# starting material storage tank expects material-compound tank by connecting tube with 9 ~ 12# mono-component polyurethane material-compound tank, 13# two component polyurethane B, 17 ~ 19# two component polyurethane A expects that the second opening for feed of reactor is connected;
The opening for feed that the discharge port of 9 ~ 10# mono-component polyurethane material-compound tank grinds storage tank by connecting tube and 7# mono-component polyurethane is connected;
The opening for feed that the discharge port of 11 ~ 12# mono-component polyurethane material-compound tank grinds storage tank by connecting tube and 8# mono-component polyurethane is connected;
The 7# mono-component polyurethane grinding discharge port of storage tank and the first opening for feed of 1 ~ 6# mono-component polyurethane reactor are connected by connecting tube and are connected;
The 8# mono-component polyurethane grinding discharge port of storage tank and the second opening for feed of 1 ~ 6# mono-component polyurethane reactor are connected by connecting tube and are connected;
The discharge port of 1 ~ 6# mono-component polyurethane reactor is all connected to mono-component polyurethane holding tank;
13# two component polyurethane B expects that the discharge port of material-compound tank is connected by the opening for feed of connecting tube with 14# two component polyurethane B abrasive lapping storage tank;
With 15 ~ 16# two component polyurethane B, the discharge port of 14# two component polyurethane B abrasive lapping storage tank expects that the opening for feed of reactor is connected respectively by connecting tube;
15 ~ 16# two component polyurethane B expects that the discharge port of reactor is all connected to two component polyurethane B and expects holding tank;
17 ~ 19# two component polyurethane A expects that the discharge port of reactor is all connected to two component polyurethane A and expects holding tank.
As preferably, described connecting tube is provided with by-pass valve control.
As preferably, the connecting tube at 1 ~ 6# starting material outlet place is equipped with surge pump.
As preferably, the connecting tube that the discharge port of 9 ~ 10# mono-component polyurethane material-compound tank and 7# mono-component polyurethane grind connecting tube between opening for feed that connecting tube between the opening for feed of storage tank, the discharge port of 11 ~ 12# mono-component polyurethane material-compound tank and 8# mono-component polyurethane grind storage tank, 13# two component polyurethane B expects between the discharge port of material-compound tank and the opening for feed of 14# two component polyurethane B abrasive lapping storage tank is equipped with sand mill.
As preferably, the connecting tube between the discharge port of 7# mono-component polyurethane grinding storage tank and the first opening for feed of 1 ~ 6# mono-component polyurethane reactor is provided with interchanger and surge pump successively along Flow of Goods and Materials direction;
Connecting tube between the discharge port of 8# mono-component polyurethane grinding storage tank and the second opening for feed of 1 ~ 6# mono-component polyurethane reactor is provided with interchanger and surge pump successively along Flow of Goods and Materials direction;
Connecting tube between the opening for feed that the discharge port of 14# two component polyurethane B abrasive lapping storage tank and 15 ~ 16# two component polyurethane B expect reactor is provided with interchanger and surge pump successively along Flow of Goods and Materials direction.
A production technique for new polyturethane waterproofing paint, comprises the production technique of mono-composition poyurethane water-proof paint and the production technique of Two-component Waterproof Polyurethane Coating.
The production technique of described mono-composition poyurethane water-proof paint comprises the steps: batching, grinding, vacuum hydro-extraction, prepolymer reaction, the interpolation of auxiliary agent and solvent and filling.
Described grinding comprises:
(1) temperature of material in 9# mono-component polyurethane material-compound tank is risen to 90 ~ 95 DEG C, open sand mill switch box power supply, then 9# mono-component polyurethane material-compound tank bottom valve is opened, sand mill surge pump intake pressure is regulated to be that 0.3MPa(pressure can regulate with input speed, but be maximumly no more than 0.4 MPa), when overflowing material in the middle part of sand mill screen cloth, starting sand mill and grinding;
(2) after having broken the material in 9# mono-component polyurethane material-compound tank, close 9# mono-component polyurethane material-compound tank bottom valve, then 10# mono-component polyurethane material-compound tank bottom valve is opened, after all 10# mono-component polyurethane material-compound tank materials have been beaten, stop grinding, close sand mill switch box power supply;
(3) in process of lapping, temperature survey is carried out to the material that sand mill screen cloth overflows, if more than 110 DEG C, open the cooling of sand mill circulating cooling penstock.
Described prepolymer reaction comprises:
(1), after dehydration, ON cycle water for cooling, closes vacuum system when 1# mono-component polyurethane temperature of reaction kettle arrives 100 DEG C;
(2), after temperature is down to 80 DEG C, in 1# mono-component polyurethane reactor, suck quantitative isocyanic ester, timing stirs 2.5 hours, and temperature controls at 80 ~ 85 DEG C.
The production technique of described Two-component Waterproof Polyurethane Coating comprises the steps: the production technique of two component polyurethane component A and the production technique of two component polyurethane B component.
The production technique of described two component polyurethane component A comprises: the interpolation of batching, vacuum hydro-extraction, prepolymer reaction, auxiliary agent and solvent and filling.
Described vacuum hydro-extraction comprises:
Start and stir, and open the intensification of 17# two component polyurethane A material reactor heat supply valve simultaneously, start vacuum pump when temperature is raised to 80 DEG C, open vacuum valve and make still internal pressure≤-0.095MPa.Temperature rises to 105 DEG C of timing decompression dehydrations 1.5 hours; After timing, temperature controls at 110 ± 5 DEG C, reactor pressure≤-0.09MPa.After dehydration, close heat supply valve, open cooling system, be cooled to 75 ~ 80 DEG C (closing vacuum valve when temperature drops to 100 DEG C).
Described prepolymer reaction comprises:
(1) start 17# two component polyurethane A and expect reactor vacuum system, open vacuum valve, take out negative pressure to-0.07MPa.Open suction valve and successively accurately suck quantitative isocyanic ester by recipe requirements.Open 17# two component polyurethane A and expect reactor agitator motor, normally stir;
(2) timing stirs 2.5 hours, and temperature controls at 80 ~ 85 DEG C.
The production technique of described two component polyurethane B component comprises: the interpolation of batching, grinding, vacuum hydro-extraction, auxiliary agent and solvent and filling.
Described grinding comprises:
(1) 13# two component polyurethane B is expected that the temperature of material in material-compound tank rises to 90 ~ 95 DEG C, open sand mill switch box power supply, then open 13# two component polyurethane B and expect material-compound tank bottom valve, sand mill surge pump intake pressure is regulated to be that 0.3MPa(pressure can regulate with input speed, but be maximumly no more than 0.4 MPa), when overflowing material in the middle part of sand mill screen cloth, starting sand mill and grinding;
(2) after having broken the material in 13# two component polyurethane B material material-compound tank, close 9# mono-component polyurethane material-compound tank bottom valve, stop grinding, close sand mill switch box power supply;
(3) in process of lapping, temperature survey is carried out to the material that sand mill screen cloth overflows, if more than 110 DEG C, open the cooling of sand mill circulating cooling penstock.
Described vacuum hydro-extraction comprises:
(1) stirring of 14# two component polyurethane B abrasive lapping storage tank, reactor vacuum system, interchanger is started, open 14# two component polyurethane B abrasive lapping storage tank surge pump intake valve, material in 14# two component polyurethane B abrasive lapping storage tank is squeezed into 15# two component polyurethane B and expect reactor, start 15# two component polyurethane B and expect that reactor stirs, after reactor weight no longer increases, close grinding pot surge pump intake valve;
(2) after 15# two component polyurethane B expects that temperature of reaction kettle rises to 110 DEG C, timing decompression dehydration, totally 2 hours; After timing, temperature controls at 115 ± 5 DEG C, reactor pressure≤-0.09MPa.
Adopt the beneficial effect of the technical program: utilize this production equipment and technique thereof, carry out while multiple operation can be realized, greatly save time, enhance productivity, and be of value to and improve the quality of products.Compare with production technique with traditional production unit, the quality product overall performance described in this invention promotes more than 10% ~ 15%.
Embodiment
For ease of illustrating, below in conjunction with accompanying drawing, the new polyturethane waterproofing paint production equipment invented and technique thereof are elaborated.
As shown in fig. 1, a kind of new polyturethane waterproofing paint production equipment, comprising: mono-component polyurethane reactor, mono-component polyurethane grinding storage tank, mono-component polyurethane material-compound tank, two component polyurethane B expect material-compound tank, two component polyurethane B abrasive lapping storage tank, two component polyurethane B material reactor, two component polyurethane A material reactor and connecting tube and control valve.
Described mono-component polyurethane reactor comprises 6, be respectively 1 ~ 6# mono-component polyurethane reactor, mono-component polyurethane grinding storage tank 2, be respectively 7 ~ 8# mono-component polyurethane grinding storage tank, mono-component polyurethane material-compound tank is 4, be respectively 9 ~ 12# mono-component polyurethane material-compound tank, two component polyurethane B expects that material-compound tank is 1, for 13# two component polyurethane B expects material-compound tank, two component polyurethane B abrasive lapping storage tank is 1, for 14# two component polyurethane B abrasive lapping storage tank, two component polyurethane B expects that reactor is 2, be respectively 15 ~ 16# two component polyurethane B and expect reactor, two component polyurethane A expects that reactor is 3, be respectively 17 ~ 19# two component polyurethane A and expect reactor.
Also comprise 6 starting material storage tanks, be respectively 1 ~ 6# starting material storage tank; Wherein 1 ~ 3# starting material storage tank expects material-compound tank by connecting tube with 9 ~ 12# mono-component polyurethane material-compound tank, 13# two component polyurethane B, 17 ~ 19# two component polyurethane A expects that the first opening for feed of reactor is connected; 4 ~ 6# starting material storage tank expects material-compound tank by connecting tube with 9 ~ 12# mono-component polyurethane material-compound tank, 13# two component polyurethane B, 17 ~ 19# two component polyurethane A expects that the second opening for feed of reactor is connected; The opening for feed that the discharge port of 9 ~ 10# mono-component polyurethane material-compound tank grinds storage tank by connecting tube and 7# mono-component polyurethane is connected; The opening for feed that the discharge port of 11 ~ 12# mono-component polyurethane material-compound tank grinds storage tank by connecting tube and 8# mono-component polyurethane is connected; The 7# mono-component polyurethane grinding discharge port of storage tank and the first opening for feed of 1 ~ 6# mono-component polyurethane reactor are connected by connecting tube and are connected; The 8# mono-component polyurethane grinding discharge port of storage tank and the second opening for feed of 1 ~ 6# mono-component polyurethane reactor are connected by connecting tube and are connected; The discharge port of 1 ~ 6# mono-component polyurethane reactor is all connected to mono-component polyurethane holding tank; 13# two component polyurethane B expects that the discharge port of material-compound tank is connected by the opening for feed of connecting tube with 14# two component polyurethane B abrasive lapping storage tank; With 15 ~ 16# two component polyurethane B, the discharge port of 14# two component polyurethane B abrasive lapping storage tank expects that the opening for feed of reactor is connected respectively by connecting tube; 15 ~ 16# two component polyurethane B expects that the discharge port of reactor is all connected to two component polyurethane B and expects holding tank; 17 ~ 19# two component polyurethane A expects that the discharge port of reactor is all connected to two component polyurethane A and expects holding tank.
Described connecting tube is provided with by-pass valve control; The connecting tube at 1 ~ 6# starting material outlet place is equipped with surge pump; The connecting tube that the discharge port of 9 ~ 10# mono-component polyurethane material-compound tank and 7# mono-component polyurethane grind connecting tube between opening for feed that connecting tube between the opening for feed of storage tank, the discharge port of 11 ~ 12# mono-component polyurethane material-compound tank and 8# mono-component polyurethane grind storage tank, 13# two component polyurethane B expects between the discharge port of material-compound tank and the opening for feed of 14# two component polyurethane B abrasive lapping storage tank is equipped with sand mill; Connecting tube between the discharge port of 7# mono-component polyurethane grinding storage tank and the first opening for feed of 1 ~ 6# mono-component polyurethane reactor is provided with interchanger and surge pump successively along Flow of Goods and Materials direction; Connecting tube between the discharge port of 8# mono-component polyurethane grinding storage tank and the second opening for feed of 1 ~ 6# mono-component polyurethane reactor is provided with interchanger and surge pump successively along Flow of Goods and Materials direction; Connecting tube between the opening for feed that the discharge port of 14# two component polyurethane B abrasive lapping storage tank and 15 ~ 16# two component polyurethane B expect reactor is provided with interchanger and surge pump successively along Flow of Goods and Materials direction.
A kind of production technique of new polyturethane waterproofing paint:
One, the production technique of mono-composition poyurethane water-proof paint:
1, prepare burden
(1) open 9# mono-component polyurethane material-compound tank operation interface, raw-material quality in input formula, starts surge pump, squeezes into starting material, add rear closedown surge pump in 9# mono-component polyurethane material-compound tank.
Order of addition(of ingredients) is followed successively by: 1# starting material storage tank, 3# starting material storage tank, 4# starting material storage tank, 5# starting material storage tank, 6# starting material storage tank.
(2), after adding all raw material, check that whether the weight of material in 9# mono-component polyurethane material-compound tank is identical with formula metering, ensure that error is less than 10kg.
(3) batching of 10# mono-component polyurethane material-compound tank is completed by same procedure.
2, grind
(1) temperature of material in 9# mono-component polyurethane material-compound tank is risen to 90 ~ 95 DEG C, open sand mill switch box power supply, then 9# mono-component polyurethane material-compound tank bottom valve is opened, sand mill surge pump intake pressure is regulated to be that 0.3MPa(pressure can regulate with input speed, but be maximumly no more than 0.4 MPa), when overflowing material in the middle part of sand mill screen cloth, starting sand mill and grinding.
(2) after having broken the material in 9# mono-component polyurethane material-compound tank, close 9# mono-component polyurethane material-compound tank bottom valve, then 10# mono-component polyurethane material-compound tank bottom valve is opened, after all 10# mono-component polyurethane material-compound tank materials have been beaten, stop grinding, close sand mill switch box power supply.
(3) in process of lapping, temperature survey is carried out to the material that sand mill screen cloth overflows, if more than 110 DEG C, open the cooling of sand mill circulating cooling penstock.
3, vacuum hydro-extraction
(1) stirring of 7# mono-component polyurethane grinding storage tank, reactor vacuum system, interchanger is started, open 7# mono-component polyurethane grinding storage tank surge pump intake valve, material in 7# mono-component polyurethane grinding storage tank is squeezed into 1# mono-component polyurethane reactor, start 1# mono-component polyurethane reactor to stir, after reactor weight no longer increases, close grinding pot surge pump intake valve.
(2) after 1# mono-component polyurethane temperature of reaction kettle rises to 110 DEG C, timing decompression dehydration, totally 4.5 hours; After timing, temperature controls at 115 ± 5 DEG C, reactor pressure≤-0.09MPa.
4, prepolymer reaction
(1), after dehydration, ON cycle water for cooling, closes vacuum system when 1# mono-component polyurethane temperature of reaction kettle arrives 100 DEG C.
(2), after temperature is down to 80 DEG C, in 1# mono-component polyurethane reactor, suck quantitative isocyanic ester, timing stirs 2.5 hours, and temperature controls at 80 ~ 85 DEG C.
5, the interpolation of auxiliary agent, solvent
(1) open vacuum system, in 1# mono-component polyurethane reactor, first suck auxiliary agent, the solvent of formula metering successively, close vacuum after adding, constant speed stirs 0.5 hour, and temperature controls at 80 ~ 85 DEG C.
(2) the interpolation bucket of auxiliary agent need be cleaned with solvent oil, scavenging solution be sucked 1# mono-component polyurethane reactor.
6, filling
Bundle 2 layer of 30 order iron net at discharge port, pail pack is positioned on platform balance, open 1# mono-component polyurethane reactor bottom discharge valve filling, after arriving predetermined weight, switch next pail pack rapidly, by bung on a upper bung, with the vertical compacting at twice of gland device, filling rear inversion is piled up.
Because 9# mono-component polyurethane material-compound tank, 10# mono-component polyurethane material-compound tank and 11# mono-component polyurethane material-compound tank, 12# mono-component polyurethane material-compound tank belong to side-by-side parallel relation, so the principle of work of 11# mono-component polyurethane material-compound tank, 12# mono-component polyurethane material-compound tank, use-pattern and 9# mono-component polyurethane material-compound tank, 10# mono-component polyurethane material-compound tank are identical.
7# mono-component polyurethane grinding storage tank and 8# mono-component polyurethane grind storage tank and belong to side-by-side parallel relation, and the principle of work of 8# mono-component polyurethane grinding storage tank, it is identical that use-pattern and 7# mono-component polyurethane grind storage tank.
1# mono-component polyurethane reactor and 2# mono-component polyurethane reactor, 3# mono-component polyurethane reactor, 4# mono-component polyurethane reactor, 5# mono-component polyurethane reactor, 6# mono-component polyurethane reactor belong to side-by-side parallel relation, the principle of work of 2# mono-component polyurethane reactor, 3# mono-component polyurethane reactor, 4# mono-component polyurethane reactor, 5# mono-component polyurethane reactor, 6# mono-component polyurethane reactor, use-pattern is identical with 1# mono-component polyurethane reactor.
Two, the production technique of Two-component Waterproof Polyurethane Coating:
(1) component A production technique:
1, prepare burden
(1) open 17# two component polyurethane A and expect reactor operation interface, raw-material quality in input formula, starts surge pump, expects to squeeze into starting material in reactor, add rear closedown surge pump toward 17# two component polyurethane A.Order of addition(of ingredients) is: 1# starting material storage tank, 2# starting material storage tank, 4# starting material storage tank.
(2), after adding all raw material material, check that 17# two component polyurethane A expects that whether the weight of material in reactor is identical with formula metering, ensure that error is less than 10kg.
2, vacuum hydro-extraction
Start and stir, and open the intensification of 17# two component polyurethane A material reactor heat supply valve simultaneously, start vacuum pump when temperature is raised to 80 DEG C, open vacuum valve and make still internal pressure≤-0.095MPa.Temperature rises to 105 DEG C of timing decompression dehydrations 1.5 hours; After timing, temperature controls at 110 ± 5 DEG C, reactor pressure≤-0.09MPa.After dehydration, close heat supply valve, open cooling system, be cooled to 75 ~ 80 DEG C (closing vacuum valve when temperature drops to 100 DEG C).
3, prepolymer reaction
(1) start 17# two component polyurethane A and expect reactor vacuum system, open vacuum valve, take out negative pressure to-0.07MPa.Open suction valve and successively accurately suck quantitative isocyanic ester by recipe requirements.Open 17# two component polyurethane A and expect reactor agitator motor, normally stir.
(2) timing stirs 2.5 hours, and temperature controls at 80 ~ 85 DEG C.
4, the interpolation of auxiliary agent, solvent
(1) open vacuum system, first expect to 17# two component polyurethane A the auxiliary agent, the solvent that suck formula metering in reactor successively, close vacuum after adding, constant speed stirs 0.5 hour, and temperature controls at 75 ~ 80 DEG C.
(2) the interpolation bucket of auxiliary agent need use solvent cleaning, scavenging solution is sucked 17# two component polyurethane A and expects reactor.
5, filling
Bundle 2 layer of 30 order iron net at discharge port, pail pack is positioned on platform balance, open 17# two component polyurethane A and expect that reactor bottom discharge valve is filling, after arriving predetermined weight, next pail pack of rapid switching, by bung on a upper bung, with the vertical compacting at twice of gland device.Filling rear inversion is piled up.
Reactor is expected and 18# two component polyurethane A expect reactor, 19# two component polyurethane A expects that reactor belongs to side-by-side parallel relation, so with use-pattern and 17# two component polyurethane A, 18# two component polyurethane A material reactor, 19# two component polyurethane A material reactor principle of work expect that reactor is identical because of 17# two component polyurethane A.
(2) B component production technique:
1, prepare burden
(1) open 13# two component polyurethane B and expect material-compound tank operation interface, raw-material quality in input formula, starts surge pump, expects to squeeze into starting material in material-compound tank, add rear closedown surge pump toward 13# two component polyurethane B.Order of addition(of ingredients) is followed successively by: 3# starting material storage tank, 4# starting material storage tank, 5# starting material storage tank, 6# starting material storage tank.
(2), after adding all raw material, check that 13# two component polyurethane B expects that whether the weight of material in material-compound tank is identical with formula metering, ensure that error is less than 10kg.
2, grind
(1) 13# two component polyurethane B is expected that the temperature of material in material-compound tank rises to 90 ~ 95 DEG C, open sand mill switch box power supply, then open 13# two component polyurethane B and expect material-compound tank bottom valve, sand mill surge pump intake pressure is regulated to be that 0.3MPa(pressure can regulate with input speed, but be maximumly no more than 0.4 MPa), when overflowing material in the middle part of sand mill screen cloth, starting sand mill and grinding.
(2) after having broken the material in 13# two component polyurethane B material material-compound tank, close 9# mono-component polyurethane material-compound tank bottom valve, stop grinding, close sand mill switch box power supply.
(3) in process of lapping, temperature survey is carried out to the material that sand mill screen cloth overflows, if more than 110 DEG C, open the cooling of sand mill circulating cooling penstock.
3, vacuum hydro-extraction
(1) stirring of 14# two component polyurethane B abrasive lapping storage tank, reactor vacuum system, interchanger is started, open 14# two component polyurethane B abrasive lapping storage tank surge pump intake valve, material in 14# two component polyurethane B abrasive lapping storage tank is squeezed into 15# two component polyurethane B and expect reactor, start 15# two component polyurethane B and expect that reactor stirs, after reactor weight no longer increases, close grinding pot surge pump intake valve.
(2) after 15# two component polyurethane B expects that temperature of reaction kettle rises to 110 DEG C, timing decompression dehydration, totally 2 hours; After timing, temperature controls at 115 ± 5 DEG C, reactor pressure≤-0.09MPa.
4, the interpolation of auxiliary agent, solvent
(1) after dehydration, start circulating water, (closing vacuum valve when temperature drops to 100 DEG C) is lowered the temperature to material.
(2) temperature is down to 80 DEG C, opens vacuum valve, opens material sucking valve, expects to 15# two component polyurethane B the auxiliary agent, the solvent that suck formula metering in reactor successively.Close vacuum after adding, constant speed stirs 0.5 hour, and temperature controls at 75 ~ 80 DEG C.
(3) auxiliary agent interpolation bucket need use solvent cleaning, scavenging solution is sucked 15# two component polyurethane B and expects reactor.
5, filling
Bundle 2 layer of 30 order iron net at discharge port, pail pack is positioned on platform balance, open 15# two component polyurethane B and expect that reactor bottom discharge valve is filling, after arriving predetermined weight, switch next pail pack rapidly, by bung on a upper bung, with the vertical compacting at twice of gland device, filling rear inversion is piled up.
Because 15# two component polyurethane B expects that reactor and 16# two component polyurethane B expect that reactor belongs to side-by-side parallel relation, 16# two component polyurethane B expects with 15# two component polyurethane B, reactor expects that the principle of work of reactor is identical with use-pattern.
Utilize production equipment of the present invention and production technique, the mono-composition poyurethane water-proof paint leading indicator of producing is:
New production process makes the performance of product more stable, produces facility simultaneously, saves cost of labor.Workman's number is reduced to 7 people from per tour 13 people; Grinding makes the kinematic viscosity of mono-composition poyurethane water-proof paint from 8000 mpa.s(25 DEG C adding of workshop section) reduce to 6500(25 DEG C), reduce the usage quantity of solvent, improve solids content, both provided cost savings, additionally reduce the harm of solvent to human body.
The Two-component Waterproof Polyurethane Coating leading indicator produced is:
Easily there is powder sedimentation problem in Two-component Waterproof Polyurethane Coating B component, makes B component powder finer and smoother through grinding technics, and suspension and dispersiveness better, are not easy to produce precipitation.Also be not easy after stirring with component A to produce bubble, film is closely knit, improves physicals.
Compare with production technique with traditional production unit, the quality product overall performance described in this invention promotes more than 10% ~ 15%.
In the above-described embodiments, preferred forms of the present invention is described, obviously, under inventive concept of the present invention, still can make a lot of change.At this, should illustrate, any change made under inventive concept of the present invention all will fall within the scope of protection of the present invention.