CN110144164A - A kind of polyurethane water-proof paint and preparation method thereof - Google Patents
A kind of polyurethane water-proof paint and preparation method thereof Download PDFInfo
- Publication number
- CN110144164A CN110144164A CN201810138387.5A CN201810138387A CN110144164A CN 110144164 A CN110144164 A CN 110144164A CN 201810138387 A CN201810138387 A CN 201810138387A CN 110144164 A CN110144164 A CN 110144164A
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- China
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- parts
- proof paint
- polyurethane water
- agent
- polyurethane
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Classifications
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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
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention provides a kind of polyurethane water-proof paints, including polyurethane resin, asphalt, MDI, propylene glycol, polyether polyol, carbon black, high activity fluorine titanium object, filler to retain agent, parathion-methyl, plasticizer, dispersing agent, curing agent and UV absorbers；The polyether polyol, molecular mass 2000-5000, hydroxyl value 110-240mgKOH/g；Preparation method of the invention, including reaction and gradient cooling, the reaction, stirring rate 100-200rad/min, pressure 0.6-0.8MPa；The gradient cooling, gradient cooling are 2-5 DEG C/min, are cooled to 110 ± 5 DEG C；Water-repellent paint of the invention generates synergistic effect in formula between each ingredient, the properties such as low-temperature bending, tensile strength, waterproof performance are excellent, good flame retardation effect, avoids and the problem of kindling causes fire occurs in use, application prospect is extensive.
Description
Technical field
The invention belongs to water-repellent paint technical fields, are related to a kind of polyurethane water-proof paint, and in particular to a kind of polyurethane
Water-repellent paint and preparation method thereof.
Background technique
Polyurethane water-proof paint be as isocyanates, polyethers etc. through made of polyaddition reaction containing the pre- of isocyanate group
Aggressiveness is equipped with catalyst, anhydrous auxiliary agent, anhydrous filler, solvent etc., the mono-component polyurethane being processed into through processes such as mixing
Water-repellent paint.
There are following major defects for existing polyurethane water-proof paint: (1) existing polyurethane water-proof paint does not resist generally
Low temperature, intensity and elasticity have to be hoisted；(2) existing polyurethane water-proof paint, waterproof performance are bad；(3) existing polyurethane
Water-repellent paint, fire retardation are bad.
Summary of the invention
The present invention against the above deficiency, technical problem to be solved by the invention is to provide a kind of polyurethane water-proof paint and
Preparation method.Following goal of the invention may be implemented in the present invention:
(1) polyurethane water-proof paint of the invention, low-temperature bending performance are high；
(2) polyurethane water-proof paint of the invention, tensile strength and elongation at break are improved simultaneously；
(3) polyurethane water-proof paint of the invention, for waterproof performance in 0.3 MPa, 60min is waterproof；
(4) polyurethane water-proof paint of the invention, good flame retardation effect avoid generation kindling in use and cause fire
Problem.
In order to solve the above technical problems, using following technical scheme:
A kind of polyurethane water-proof paint, which is characterized in that the polyurethane water-proof paint, including polyurethane resin and petroleum drip
It is green.
As currently preferred technical solution, the polyurethane water-proof paint, including polyurethane resin, asphalt,
MDI, propylene glycol, polyether polyol, carbon black, high activity fluorine titanium object, filler retain agent, parathion-methyl, plasticizer, dispersing agent,
Curing agent and UV absorbers.
As currently preferred technical solution, the polyurethane water-proof paint includes: polyurethane resin by weight
20-40 parts, 10-15 parts of asphalt, MDI5-8 parts, 1-2 parts of propylene glycol, 10-20 parts of polyether polyol, 0.5-3 parts of carbon black, height
0.2-6 parts of active fluorine titanium object, filler retain 2-6 parts of agent, 3-5 parts of parathion-methyl, 0.2-1 parts of plasticizer, dispersing agent 0.5-2
Part, 0.6-1 parts of curing agent, 1-2 parts of UV absorbers.
As currently preferred technical solution, the polyether polyol, molecular mass 2000-5000, hydroxyl value is
110-240mgKOH/g。
As currently preferred technical solution, the curing agent is chlorinated paraffin and citrate, chlorinated paraffin and lemon
The mass ratio of lemon acid esters is 1:8.
As currently preferred technical solution, the high activity fluorine titanium object, be spheric granules, 10 μm of diameter, thermally conductive system
Number is 0.05-0.1kcal/m.h. DEG C, ball-type rate 92-95%.
As currently preferred technical solution, it is polyethylene glycol oxide that the filler, which retains agent, and the polyethylene glycol oxide is white
Coloured particles, partial size≤800 μm, the viscosity of 1% aqueous solution are 15600-16400cp, and apparent density is 0.2-0.3 Kg/L, very close
Degree is 1.15-1.22Kg/L.
A kind of preparation method of polyurethane water-proof paint, which is characterized in that the method includes reaction and gradient cooling, institutes
State reaction, stirring rate 100-200rad/min, pressure 0.6-0.8MPa.
As currently preferred technical solution, the temperature of the reaction, mixing time 30-40min, reaction kettle is
140±5℃。
As currently preferred technical solution, the gradient cooling, gradient cooling is 2-5 DEG C/min, it is cooled to 110 ±
5℃。
The invention adopts the above technical scheme, compared with prior art, has the advantage that
A kind of polyurethane water-proof paint of the invention retains agent, first using polyurethane resin, carbon black, high activity fluorine titanium object, filler
Base parathion forms collaboration system, has the following beneficial effects:
(1) low-temperature bending: -10 DEG C, 2h flawless；
(2) tensile strength reaches 4.4-5.1 MPa；Elongation at break 641-654%；
(3) waterproof performance 60min at 0.3MPa is waterproof；
(4) good flame retardation effect avoids and the problem of kindling causes fire occurs in use.
Synergistic effect is generated between each ingredient in a kind of polyurethane water-proof paint formula of the invention, greatly promotes fire-retardant effect
Fruit, while strength character, waterproof performance and low temperature resistance are improved, application prospect is extensive.
Specific embodiment
A kind of polyurethane water-proof paint of embodiment 1
A kind of polyurethane water-proof paint of the invention, including following component:
Polyurethane resin, asphalt, MDI, propylene glycol, polyether polyol, carbon black, high activity fluorine titanium object, filler retain agent, first
Base parathion, plasticizer, dispersing agent, curing agent and UV absorbers；
A kind of polyurethane water-proof paint of the invention, by weight, including following component:
40 parts of polyurethane resin, 15 parts of asphalt, MDI8 parts, 2 parts of propylene glycol, 20 parts of polyether polyol, 3 parts of carbon black, high work
6 parts of property fluorine titanium object, filler retain 6 parts of agent, 5 parts of parathion-methyl, 1 part of plasticizer, 2 parts of dispersing agent, 1 part of curing agent, ultraviolet light
2 parts of absorbent；
The polyether polyol, molecular mass 2000-5000, hydroxyl value 110-240mgKOH/g；
The curing agent is chlorinated paraffin and citrate, and the mass ratio of chlorinated paraffin and citrate is 1:8；
The high activity fluorine titanium object is spheric granules, and 10 μm of diameter, thermal coefficient is 0.05-0.1kcal/m.h. DEG C, ball-type rate
92-95%；
The filler retain agent be polyethylene glycol oxide, the polyethylene glycol oxide, white particle, partial size≤800 μm, 1% aqueous solution
Viscosity is 15600-16400cp, and apparent density is 0.2-0.3 Kg/L, real density 1.15-1.22Kg/L.
A kind of polyurethane water-proof paint of embodiment 2
A kind of polyurethane water-proof paint of the invention, by weight, including following component:
35 parts of polyurethane resin, 13 parts of asphalt, MDI7 parts, 1.5 parts of propylene glycol, 18 parts of polyether polyol, 2 parts of carbon black, height
Active 5 parts of fluorine titanium object, filler retain 5 parts of agent, 4 parts of parathion-methyl, 0.8 part of plasticizer, 1.6 parts of dispersing agent, curing agent 0.9
Part, 1.7 parts of UV absorbers；
The polyether polyol, molecular mass 2000-5000, hydroxyl value 110-240mgKOH/g；
The curing agent is chlorinated paraffin and citrate, and the mass ratio of chlorinated paraffin and citrate is 1:8；
The high activity fluorine titanium object is spheric granules, and 10 μm of diameter, thermal coefficient is 0.05-0.1kcal/m.h. DEG C, ball-type rate
92-95%；
The filler retain agent be polyethylene glycol oxide, the polyethylene glycol oxide, white particle, partial size≤800 μm, 1% aqueous solution
Viscosity is 15600-16400cp, and apparent density is 0.2-0.3 Kg/L, real density 1.15-1.22Kg/L.
A kind of polyurethane water-proof paint of embodiment 3
A kind of polyurethane water-proof paint of the invention, by weight, including following component:
30 parts of polyurethane resin, 12 parts of asphalt, MDI6 parts, 1.5 parts of propylene glycol, 15 parts of polyether polyol, 2.2 parts of carbon black,
3 parts of high activity fluorine titanium object, filler retain 4 parts of agent, 4 parts of parathion-methyl, 0.8 part of plasticizer, 1.6 parts of dispersing agent, curing agent 0.8
Part, 1.5 parts of UV absorbers；
The polyether polyol, molecular mass 2000-5000, hydroxyl value 110-240mgKOH/g；
The curing agent is chlorinated paraffin and citrate, and the mass ratio of chlorinated paraffin and citrate is 1:8；
The high activity fluorine titanium object is spheric granules, and 10 μm of diameter, thermal coefficient is 0.05-0.1kcal/m.h. DEG C, ball-type rate
92-95%；
The filler retain agent be polyethylene glycol oxide, the polyethylene glycol oxide, white particle, partial size≤800 μm, 1% aqueous solution
Viscosity is 15600-16400cp, and apparent density is 0.2-0.3 Kg/L, real density 1.15-1.22Kg/L.
A kind of polyurethane water-proof paint of embodiment 4
A kind of polyurethane water-proof paint of the invention, by weight, including following component:
22 parts of polyurethane resin, 11 parts of asphalt, MDI5.5 parts, 1.2 parts of propylene glycol, 11 parts of polyether polyol, carbon black 0.8
Part, 0.4 part of high activity fluorine titanium object, filler retain 3 parts of agent, 3.5 parts of parathion-methyl, 0.5 part of plasticizer, 0.8 part of dispersing agent, consolidate
0.7 part of agent, 1.2 parts of UV absorbers；
The polyether polyol, molecular mass 2000-5000, hydroxyl value 110-240mgKOH/g；
The curing agent is chlorinated paraffin and citrate, and the mass ratio of chlorinated paraffin and citrate is 1:8；
The high activity fluorine titanium object is spheric granules, and 10 μm of diameter, thermal coefficient is 0.05-0.1kcal/m.h. DEG C, ball-type rate
92-95%；
The filler retain agent be polyethylene glycol oxide, the polyethylene glycol oxide, white particle, partial size≤800 μm, 1% aqueous solution
Viscosity is 15600-16400cp, and apparent density is 0.2-0.3 Kg/L, real density 1.15-1.22Kg/L.
A kind of polyurethane water-proof paint of embodiment 5
A kind of polyurethane water-proof paint of the invention, by weight, including following component:
20 parts of polyurethane resin, 10 parts of asphalt, MDI5 parts, 1 part of propylene glycol, 10 parts of polyether polyol, 0.5 part of carbon black, height
Active 0.2 part of fluorine titanium object, filler retain 2 parts of agent, 3 parts of parathion-methyl, 0.2 part of plasticizer, 0.5 part of dispersing agent, curing agent 0.6
Part, 1 part of UV absorbers；
The polyether polyol, molecular mass 2000-5000, hydroxyl value 110-240mgKOH/g；
The curing agent is chlorinated paraffin and citrate, and the mass ratio of chlorinated paraffin and citrate is 1:8；
The high activity fluorine titanium object is spheric granules, and 10 μm of diameter, thermal coefficient is 0.05-0.1kcal/m.h. DEG C, ball-type rate
92-95%；
The filler retain agent be polyethylene glycol oxide, the polyethylene glycol oxide, white particle, partial size≤800 μm, 1% aqueous solution
Viscosity is 15600-16400cp, and apparent density is 0.2-0.3 Kg/L, real density 1.15-1.22Kg/L.
A kind of preparation method of the polyurethane water-proof paint of embodiment 6
A kind of preparation method of polyurethane water-proof paint of the present invention, comprising the following steps:
A, it mixes: first mixing asphalt, MDI, propylene glycol, polyether polyol in reaction kettle.
B, it reacts: adding polyurethane resin, plasticizer, dispersing agent, curing agent and UV absorbers after mixing；
It stirs while adding, stirring rate 100-200rad/min, mixing time 30-40min, the temperature of reaction kettle is 140 ± 5
DEG C, pressure 0.6-0.8MPa.
C, gradient cooling: after the completion of stirring, the temperature of reaction kettle is kept at 140 ± 5 DEG C, and carbon black, high activity fluorine titanium is added
Object, filler retain agent, parathion-methyl, after reacting 20min, start to cool down, and are cooled down with the velocity gradient of 2-5 DEG C/min, cooling
To 110 ± 5 DEG C, continue to be kept for the temperature temperature 3 hours.
D, pack: discharge packaging after being cooled to 70 ± 5 DEG C.
Comparative example 1: essentially identical with the formula and parts by weight of embodiment 3, difference, which is only that, replaces high activity with bentonite
Fluorine titanium object and filler retain agent, without parathion-methyl.
Comparative example 2: essentially identical with the formula and parts by weight of embodiment 3, difference, which is only that, replaces high activity with bentonite
Fluorine titanium object, no filler retain agent and parathion-methyl.
Comparative example 3: a kind of polyurethane water-proof paint and preparation method thereof, polyurethane water-proof paint formula and embodiment 3
Formula is identical with parts by weight, and the difference of preparation method and embodiment 6 is only that gradient cooling step, does not carry out gradient
Cooling, and directly make temperature be down to 110 ± 5 DEG C using technological means.
Application method: stirring is coated directly on the surface of concrete after five minutes, carries out next step construction after surface drying；It is real
Water-repellent paint that the formula of a 1-5 is prepared according to the preparation method of embodiment 6 is applied through detecting, performance indicator is as described in Table 1:
1 performance test of table
Note: the method that total burning time uses is UL94.
As shown in Table 1, the general effect of 1-5 of the embodiment of the present invention is more excellent than the general effect of comparative example 1-3:
(1) in embodiment 1-5, the effect of embodiment 3 is best, and formula described in embodiment 3 is the preferred embodiment of the invention；
(2) as comparative example 1-3 and embodiment 3 it is found that the waterproof roll of formula preparation described in the embodiment of the present invention 3, low temperature are curved
Folding endurance is good, and tensile strength, waterproof performance all increase, and has good flame retardant effect, and total burning time significantly reduces.
Beneficial effects of the present invention are as follows: the present invention is retained using polyurethane resin, carbon black, high activity fluorine titanium object, filler
Agent, parathion-methyl form collaboration system, so that the properties such as low-temperature bending, tensile strength, waterproof performance are excellent, it is fire-retardant
Effect is good；It avoids and the problem of kindling causes fire occurs in use；A kind of polyurethane water-proof paint of the invention is matched
Synergistic effect is generated in side between each ingredient, greatly promotes flame retardant effect, improves strength character, waterproof performance and low temperature resistivity
Can, application prospect is extensive.
Unless otherwise indicated, percentage of the present invention is weight percent, and ratio of the present invention is
Mass ratio.Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not limited to this hair
It is bright, although describing the invention in detail with reference to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of polyurethane water-proof paint, which is characterized in that the polyurethane water-proof paint, including polyurethane resin and petroleum drip
It is green.
2. a kind of polyurethane water-proof paint according to claim 1, which is characterized in that the polyurethane water-proof paint, packet
It includes polyurethane resin, asphalt, MDI, propylene glycol, polyether polyol, carbon black, high activity fluorine titanium object, filler and retains agent, methyl
Parathion, plasticizer, dispersing agent, curing agent and UV absorbers.
3. a kind of polyurethane water-proof paint according to claim 1, which is characterized in that the polyurethane water-proof paint is pressed
Parts by weight include: 20-40 parts of polyurethane resin, 10-15 parts of asphalt, MDI5-8 parts, 1-2 parts of propylene glycol, polyether polyol
10-20 parts, 0.5-3 parts of carbon black, 0.2-6 parts of high activity fluorine titanium object, filler retain 2-6 parts of agent, 3-5 parts of parathion-methyl, plasticising
0.2-1 parts of agent, 0.5-2 parts of dispersing agent, 0.6-1 parts of curing agent, 1-2 parts of UV absorbers.
4. a kind of polyurethane water-proof paint according to claim 2, which is characterized in that the polyether polyol, molecule matter
Amount is 2000-5000, hydroxyl value 110-240mgKOH/g.
5. a kind of polyurethane water-proof paint according to claim 2, which is characterized in that the curing agent be chlorinated paraffin and
The mass ratio of citrate, chlorinated paraffin and citrate is 1:8.
6. a kind of polyurethane water-proof paint according to claim 1, which is characterized in that the high activity fluorine titanium object is ball
Shape particle, 10 μm of diameter, thermal coefficient is 0.05-0.1kcal/m.h. DEG C, ball-type rate 92-95%.
7. a kind of polyurethane water-proof paint according to claim 1, which is characterized in that it is polyoxygenated that the filler, which retains agent,
Ethylene, the polyethylene glycol oxide, white particle, partial size≤800 μm, the viscosity of 1% aqueous solution are 15600-16400cp, apparent close
Degree is 0.2-0.3 Kg/L, real density 1.15-1.22Kg/L.
8. a kind of preparation method of polyurethane water-proof paint, which is characterized in that described the method includes reaction and gradient cooling
Reaction, stirring rate 100-200rad/min, pressure 0.6-0.8MPa.
9. a kind of preparation method of polyurethane water-proof paint according to claim 8, which is characterized in that the reaction is stirred
Mixing the time is 30-40min, and the temperature of reaction kettle is 140 ± 5 DEG C.
10. a kind of preparation method of polyurethane water-proof paint according to claim 8, which is characterized in that the gradient drop
Temperature, gradient cooling are 2-5 DEG C/min, are cooled to 110 ± 5 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810138387.5A CN110144164A (en) | 2018-02-10 | 2018-02-10 | A kind of polyurethane water-proof paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810138387.5A CN110144164A (en) | 2018-02-10 | 2018-02-10 | A kind of polyurethane water-proof paint and preparation method thereof |
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| CN110144164A true CN110144164A (en) | 2019-08-20 |
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| CN201810138387.5A Withdrawn CN110144164A (en) | 2018-02-10 | 2018-02-10 | A kind of polyurethane water-proof paint and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110982408A (en) * | 2019-12-25 | 2020-04-10 | 广东向诚新材料有限公司 | Polyurethane waterproof coating and preparation method thereof |
| CN111073374A (en) * | 2019-12-30 | 2020-04-28 | 广州市盛邦康体场地材料有限公司 | Polyurethane waterproof coating |
| CN112159620A (en) * | 2020-09-11 | 2021-01-01 | 临沂斯科瑞聚氨酯材料有限公司 | Waterproof priming coating material for roof concrete |
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| CN111073374A (en) * | 2019-12-30 | 2020-04-28 | 广州市盛邦康体场地材料有限公司 | Polyurethane waterproof coating |
| CN112159620A (en) * | 2020-09-11 | 2021-01-01 | 临沂斯科瑞聚氨酯材料有限公司 | Waterproof priming coating material for roof concrete |
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