CN108864923A - Low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint and preparation method thereof - Google Patents
Low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint and preparation method thereof Download PDFInfo
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- CN108864923A CN108864923A CN201810672080.3A CN201810672080A CN108864923A CN 108864923 A CN108864923 A CN 108864923A CN 201810672080 A CN201810672080 A CN 201810672080A CN 108864923 A CN108864923 A CN 108864923A
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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
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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
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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
- C09D7/65—Additives macromolecular
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- 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
Abstract
The invention discloses a kind of low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint and preparation method thereof, the raw material for preparing of water-repellent paint includes the component calculated by weight as follows：25~30 parts of polyether polyol；4~6 parts of toluene di-isocyanate(TDI)；25~30 parts of plasticizer；30~39 parts of pigments and fillers；2~4 parts of sealer；0.05~0.1 part of catalyst；0.1~0.3 part of defoaming agent；0.05~0.2 part of stabilizer；0.1~0.3 part of promotor.Low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint of the present invention is in low temperature（Lower than 5 DEG C）, low humidity（Humidity is lower than 30%）Weather environment under construction remain to comparatively fast solidify, surface drying time is fast, and its tensile strength and tearing strength are larger, and elongation at break is high, and coating stable storing is good, and completely solvent-free, environmental-protecting performance is excellent.
Description
Technical field
The present invention relates to waterproof material technical fields, in particular it relates to which a kind of low temperature and low humidity solidifies solvent-free list
Component polyurethane waterproof coating and preparation method thereof.
Background technique
Mono-composition poyurethane water-proof paint is with good, resistance to integral waterproofing excellent effect, good mechanical performance, low temperature flexibility
The features such as excellent, easy for construction, easy repairing of chemical corrosivity, long service life, in buildings waterproof field as a kind of novel
Water-repellent paint is widely used to promote.Since mono-composition poyurethane water-proof paint viscosity is higher, in order to reduce the poly- ammonia of one pack system
The viscosity of ester water-repellent paint is added to a large amount of coal tar, pitch, molten to reach construction requirement on the market at present in many products
Thus agent gasoline, dimethylbenzene, trimethylbenzene and durene etc. cause mono-composition poyurethane water-proof paint to contain a large amount of effumability
Gas, the problems such as big, environmental pollution that there are toxicity, thus its extensive use is limited to a certain extent.
With the development of economy and social progress, people increasingly attaching importance to environmental protection and physical health issues, environmental protection
It is increasingly valued by people, green energy conservation, low-carbon environment-friendly has become the development trend of all trades and professions, and people are to building materials
It is environmentally protective that more stringent requirements are proposed.Due to the high speed development of industry, the life under the driving of interests of some individual workships, small enterprise
Output fake and forged commodity polyurethane water-proof paint product is adulterated, and the development of waterproofing industry is seriously hindered.In addition, one pack system is poly-
Urethane water-repellent paint is other than being added to a large amount of solvent effect environment, there is also the problem high to ambient temperature requirements when construction,
Its extensive use is limited to a certain extent.Mono-composition poyurethane water-proof paint curing mechanism is：After coating application, containing-
The prepolymer of NCO end group absorbs moisture in air, utilizes H in moisture2O reacts film-forming with NCO, to environmental requirement temperature
At 5 DEG C or more, humidity is 30% or more, at temperature and the too low situation of humidity, will cause that film is not dry or dry speed is excessively slow,
Seriously affect the duration.
Therefore it need to develop that a kind of solvent-free and the lower still curable low temperature and low humidity of construction is solid under low temperature, low humidity weather environment
Change non-solvent single-component polyurethane water-proof paint, single-component polyurethane water-proof paint is made not only to have met market and the demand of user, but also
It has a vast market foreground.
Summary of the invention
Based on this, the invention reside in overcoming the deficiencies of existing technologies, a kind of low temperature and low humidity solidification non-solvent single-component is provided
Polyurethane water-proof paint, low temperature (be lower than 5 DEG C), low humidity (humidity is lower than 30%) weather environment under construction remain to it is comparatively fast solid
Change, surface drying time is fast, and its tensile strength and tearing strength are larger, and elongation at break is high, and coating stable storing is good, entirely without molten
Agent, environmental-protecting performance are excellent.
Another object of the present invention is to provide the low temperature and low humidities to solidify non-solvent single-component polyurethane water-proof paint
Preparation method.
Its technical solution is as follows：
A kind of low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint, prepare raw material include it is following by weight
The component of calculating：
25~30 parts of polyether polyol；
4~6 parts of toluene di-isocyanate(TDI)；
25~30 parts of plasticizer；
30~39 parts of pigments and fillers；
2~4 parts of sealer；
0.05~0.1 part of catalyst；
0.1~0.3 part of defoaming agent；
0.05~0.2 part of stabilizer；
0.1~0.3 part of promotor；
Wherein, the sealer is by aldehyde material and hydramine substance in molar ratio 1~1.5:1 copolymerization obtains.
The group with imine moiety sealer with-OH is prepared using aldehyde material and alcamines substance reaction in the present invention,
Imines sealer is that hydrolyzable generates primary amine compound under low moist conditions, and the reactivity of primary amine is high, on amido
Two hydrogen can be reacted with-NCO group generates urea bond, and its reaction speed is far longer than H2The reaction speed of H and-NCO in O,
Reach low-temperature setting purpose with this；In addition, OH in sealer can be further by reacting that access polyurethane in advance pre- with NCO
In the main chain of polymers, the content of system NCO is reduced, while not increasing viscosity, so that required moisture after the construction of the coating
Relatively traditional moisture-curable reduces half and also can satisfy needed for solidification in the environment of low humidity under the action of promotor
Steam realizes low temperature and low humidity solidification.
The polyether polyol is that PPG class polyether polyol, POP quasi polymer polyethers are more in one of the embodiments,
One of first alcohol, PTMEG class polytetramethylene oxide polyalcohol are a variety of, and the polyether polyol molecular weight is 1000-
5000, hydroxyl value is 30-130mg KOH/g.
The polyether polyol is polyetherdiol and/or polyether triol in one of the embodiments,.
The toluene di-isocyanate(TDI) is TDI-80 in one of the embodiments,.
The plasticizer is diisononyl phthalate, chlorinated paraffin, citric acid ester type in one of the embodiments,
One of plasticizer is a variety of.These plasticizer are good with polyurethane compatibility, do not migrate or seldom migrate substantially, stability and
Concertedness is significant.
In one of the embodiments, the pigments and fillers be one of carbon black, titanium dioxide, iron oxide yellow, talcum powder, coarse whiting or
It is a variety of.
The aldehyde material is benzaldehyde or isobutylaldehyde in one of the embodiments,.
The hydramine substance is ethanol amine, diglycolamine, butanol -2- amine, 3- Propanolamine in one of the embodiments,
One of or it is a variety of.
The sealer is prepared by the following method to obtain in one of the embodiments,：
(1) aldehyde material and azeotropic solvent are added in the reactor；
(2) in the cooling condition, hydramine substance is added dropwise into reactor, temperature is controlled at 50 DEG C or less；
(3) make aldehyde material and alcamines substance reaction, and azeotropic 1~3h of reflux at 100~140 DEG C of temperature, by water
Separation is clean, obtains crude product；
(4) gained crude product is maintained at 130~140 DEG C of temperature, vacuum distillation under the conditions of negative pressure -0.06~-0.09Mpa
1~2h steams excessive aldehyde material, obtains the sealer.
The azeotropic solvent is toluene or hexamethylene in one of the embodiments,.
The catalyst is organo-metallic catalyst in one of the embodiments, more specifically, the catalyst is two
Dibutyl tin laurate, stannous octoate or isooctyl acid lead.
In one of the embodiments, the promotor be one of tartaric acid, benzoic acid, salicylic acid, citric acid or
It is a variety of.
The stabilizer is one of phosphoric acid, chlorobenzoyl chloride, Adipoyl Chloride or a variety of in one of the embodiments,.
The defoaming agent is the defoaming that the trade mark of Bi Ke chemical company production is BYK-066N in one of the embodiments,
Agent, Haichuan Company E1 or De Qian company 6500.
The low temperature and low humidity solidifies the preparation method of non-solvent single-component polyurethane water-proof paint, includes the following steps：
(1) in the reaction vessel be added polyether polyol, plasticizer, pigments and fillers, defoaming agent, stirring be warming up to 100 DEG C~
120 DEG C, vacuum is dehydrated 2~3 hours under conditions of being -0.08~0.1MPa；
(2) temperature is dropped 80 DEG C~85 DEG C hereinafter, addition toluene di-isocyanate(TDI) reacts under 80 ± 5 DEG C of stirrings
2~3 hours；
(3) temperature of charge is dropped to 70 DEG C~80 DEG C hereinafter, addition catalyst, is answered 0.5~1 hour；
(4) 70 DEG C~75 DEG C are reduced the temperature to hereinafter, addition sealer, reacts 1~2 hour；
(5) 50 DEG C~60 DEG C are reduced the temperature to hereinafter, promotor is added, stirring 0.5~1 hour cools down after mixing evenly
To 50 DEG C or less nitrogen filled protections, discharging.
The beneficial effects of the present invention are：The present invention has made the group with imine moiety sealer with-OH by oneself, is used in
In non-solvent single-component polyurethane water-proof paint, to environment temperature when solving the construction of non-solvent single-component polyurethane water-proof paint
Demanding problem, realize non-solvent single-component polyurethane water-proof paint in low temperature (lower than 5 DEG C), (humidity is lower than low humidity
30%) construction remains to comparatively fast solidify under weather environment, and coating stable storing is good, and completely solvent-free, environmental-protecting performance is excellent.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with specific embodiment, to this
Invention is described in further detail.It should be understood that the specific embodiments described herein are only to explain this hair
It is bright, and the scope of protection of the present invention is not limited.
Raw materials used following embodiment is ordinary commercial products.
Sealer preparation process used in following embodiment is as follows：
Sealer A：
(1) 106g benzaldehyde and 100mL azeotropic solvent cyclohexane are added in the reactor；
(2) in the cooling condition, 61g ethanol amine is added dropwise into reactor, temperature is controlled at 50 DEG C or less；
(3) benzaldehyde and ethanol amine are reacted, and azeotropic 1~3h of reflux, separated water into dry
Only, crude product is obtained；
(4) gained crude product is maintained at 130~140 DEG C of temperature, vacuum distillation under the conditions of negative pressure -0.06~-0.09Mpa
1~2h steams excessive benzaldehyde, obtains the sealer A.
Sealer B：
(1) 108g isobutylaldehyde and 100mL azeotropic solvent cyclohexane are added in the reactor；
(2) in the cooling condition, 105g diglycolamine is added dropwise into reactor, temperature is controlled at 50 DEG C or less；
(3) isobutylaldehyde and diglycolamine are reacted, and azeotropic 1~3h of reflux, separated water into
Completely, crude product is obtained；
(4) gained crude product is maintained at 130~140 DEG C of temperature, vacuum distillation under the conditions of negative pressure -0.06~-0.09Mpa
1~2h steams excessive isobutylaldehyde, obtains the sealer B.
Embodiment 1
A kind of low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint, by the following component system calculated by weight
It is standby to obtain：
The preparation process that the low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint is as follows：
(1) 15 parts of polyether Glycols DL-2000D, 10 parts of polyether-tribasic alcohol 330N, 20 parts of plasticising are added in the reaction vessel
Agent chlorinated paraffin, 10 parts of diisononyl phthalates, 20 part of 800 mesh coarse whiting, 17 part of 1000 mesh talcum powder, 1.5 parts of titanium dioxides,
0.1 part of defoaming agent, high-speed stirred is uniform, and stirring is warming up to 100 DEG C -120 DEG C, and vacuum takes off under conditions of being -0.08~0.1MPa
Water 2~3 hours；
(2) by temperature drop 80 DEG C~85 DEG C hereinafter, be added 4 parts of isocyanates TDI-80, under 80 ± 5 DEG C of stirrings,
Reaction 2~3 hours；
(3) reduce the temperature to 70 DEG C~80 DEG C hereinafter, be added 0.05 part of catalyst T-12, under 75 ± 5 DEG C of stirrings,
React 30min；
(4) 70 DEG C~75 DEG C are reduced the temperature to hereinafter, 2 parts of sealer A of addition, stir 1~2h；
(5) 50 DEG C~60 DEG C are reduced the temperature to hereinafter, 0.3 part of promotor, 0.05 part of stabilizer is added, stirring 0.5~1 is small
When, after mixing evenly, 50 DEG C or less nitrogen filled protections are cooled to, discharged.
Embodiment 2
A kind of low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint, by the following component system calculated by weight
It is standby to obtain：
The preparation process that the low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint is as follows：
(1) 20 parts of polyether Glycols DL-2000D, 10 parts of polyether-tribasic alcohol 330N, 20 parts of plasticising are added in the reaction vessel
Agent chlorinated paraffin, 10 parts of diisononyl phthalates, 20 part of 800 mesh talcum powder, 10 part of 1000 mesh talcum powder, 1.5 parts of titanium whites
Powder, 0.1 part of defoaming agent, high-speed stirred is uniform, and stirring is warming up to 100 DEG C -120 DEG C, under conditions of vacuum is -0.08~0.1MPa
Dehydration 2~3 hours；
(2) by temperature drop 80 DEG C~85 DEG C hereinafter, be added 5 parts of isocyanates TDI-80, under 80 ± 5 DEG C of stirrings,
Reaction 2~3 hours；
(3) temperature is dropped 70 DEG C~80 DEG C hereinafter, 0.05 part of catalyst T-12 is added, under 75 ± 5 DEG C of stirrings, instead
Answer 30min；
(4) 70 DEG C~75 DEG C are reduced the temperature to hereinafter, 3 parts of sealer A of addition, stir 1~2h；
(5) 50 DEG C~60 DEG C are reduced the temperature to hereinafter, 0.3 part of promotor, 0.05 part of stabilizer is added, stirring 0.5~1 is small
When, after mixing evenly, 50 DEG C or less nitrogen filled protections are cooled to, discharged.
Embodiment 3
A kind of low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint, by the following component system calculated by weight
It is standby to obtain：
The preparation process that the low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint is as follows：
(1) be added in the reaction vessel 12 parts of polyether Glycols DL-2000D, 8 parts of polyether Glycols DL-1000D, 7 parts it is poly-
Ether trihydroxylic alcohol 330N, 15 parts of plasticizer chlorinated paraffins, 10 parts of diisononyl phthalates, 20 part of 800 mesh talcum powder, 16 parts
1000 mesh talcum powder, 1.5 parts of titanium dioxides, 0.1 part of defoaming agent, high-speed stirred is uniform, and stirring is warming up to 100 DEG C -120 DEG C, vacuum
To be dehydrated 2~3 hours under conditions of -0.08~0.1MPa；
(2) by temperature drop 80 DEG C~85 DEG C hereinafter, be added 6 parts of isocyanates TDI-80, under 80 ± 5 DEG C of stirrings,
Reaction 2~3 hours；
(3) temperature is dropped 70 DEG C~80 DEG C hereinafter, 0.05 part of catalyst T-12 is added, under 75 ± 5 DEG C of stirrings, instead
Answer 30min；
(4) 70 DEG C~75 DEG C are reduced the temperature to hereinafter, 4 parts of sealer A of addition, stir 1~2h；
(5) 50 DEG C~60 DEG C are reduced the temperature to hereinafter, 0.3 part of promotor, 0.05 part of stabilizer, is stirred 0.5~1 hour,
After mixing evenly, 50 DEG C or less nitrogen filled protections are cooled to, are discharged.
Embodiment 4
A kind of low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint, preparation method and component and embodiment 1
Essentially identical, difference is only that：Sealer used in the present embodiment 4 is sealer B.
Embodiment 5
A kind of low temperature and low humidity solidification non-solvent single-component polyurethane water-proof paint, by the following component system calculated by weight
It is standby to obtain：
The preparation process that the low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint is as follows：
(1) be added in the reaction vessel 12 parts of polyether Glycols DL-2000D, 8 parts of poly- ammonia dihydric alcohol DL-1000D, 7 parts it is poly-
Ether trihydroxylic alcohol 330N, 15 parts of plasticizer chlorinated paraffins, 10 parts of diisononyl phthalates, 13.5 part of 800 mesh talcum powder, 15 parts
1000 mesh talcum powder, 1.5 parts of titanium dioxides, 0.3 part of defoaming agent, high-speed stirred is uniform, and stirring is warming up to 100 DEG C -120 DEG C, vacuum
To be dehydrated 2~3 hours under conditions of -0.08~0.1MPa；
(2) by temperature drop 80 DEG C~85 DEG C hereinafter, be added 6 parts of isocyanates TDI-80, under 80 ± 5 DEG C of stirrings,
Reaction 2~3 hours；
(3) temperature is dropped 70 DEG C~80 DEG C hereinafter, 0.1 part of catalyst T-12 is added, under 75 ± 5 DEG C of stirrings, instead
Answer 30min；
(4) 70 DEG C~75 DEG C are reduced the temperature to hereinafter, 4 parts of sealers of addition, stir 1~2h；
(5) 50 DEG C~60 DEG C are reduced the temperature to hereinafter, 0.1 part of promotor, 0.2 part of stabilizer is added, stirring 0.5~1 is small
When, after mixing evenly, 50 DEG C or less nitrogen filled protections are cooled to, discharged.
Comparative example 1
A kind of non-solvent single-component polyurethane water-proof paint, preparation method and component are substantially the same manner as Example 1, difference
It is only that：The sealer that this comparative example 1 uses is prepared via a method which to obtain：
(1) 106g benzaldehyde and 100mL azeotropic solvent cyclohexane are added in the reactor；
(2) in the cooling condition, 129g N- aminoethyl piperazine is added dropwise into reactor, temperature is controlled at 50 DEG C or less；
(3) react benzaldehyde and N- aminoethyl piperazine, and azeotropic 1~3h of reflux, by water
Separation is clean, obtains crude product；
(4) gained crude product is maintained at 130~140 DEG C of temperature, vacuum distillation under the conditions of negative pressure -0.06~-0.09Mpa
1~2h steams excessive benzaldehyde, obtains the sealer C.
Embodiment 1-5 and comparative example 1 the non-solvent single-component polyurethane water-proof paint being prepared are tested for the property,
Test method reference standard GB/T 19250-2013《Polyurethane water-proof paint》, test result is shown in Table 1.
To investigate curing performance and workability of the non-solvent single-component polyurethane water-proof paint under low temperature and low humidity environment,
Embodiment 1-5 and comparative example 1 the non-solvent single-component polyurethane water-proof paint being prepared are tested, test process is such as
Under：Reference standard GB/T 19250-2013《Polyurethane water-proof paint》Test method, by test temperature adjustment at 2 DEG C, humidity tune
Whole is 20% to be tested, and partial test the results are shown in Table 2.
Table 1
Table 2
| Test piece number (Test pc No.) | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 |
| Surface drying/h | 6 | 5 | 5 | 6 | 5 | 16 |
| Do solid work/h | 15 | 13 | 12 | 14 | 12 | 28 |
| 50 DEG C of heat 30 days stability of storage | Well | Well | Well | Well | Well | Well |
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of low temperature and low humidity solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that it includes such as that it, which prepares raw material,
Under the component that calculates by weight：
25~30 parts of polyether polyol；
4~6 parts of toluene di-isocyanate(TDI)；
25~30 parts of plasticizer；
30~39 parts of pigments and fillers；
2~4 parts of sealer；
0.05~0.1 part of catalyst；
0.1~0.3 part of defoaming agent；
0.05~0.2 part of stabilizer；
0.1~0.3 part of promotor；
Wherein, the sealer is by aldehyde material and hydramine substance in molar ratio 1~1.5:1 copolymerization obtains.
2. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating polyether polyol is PPG class polyether polyol, POP quasi polymer polyether polyol, PTMEG class polytetramethylene oxide polyalcohol
One of or it is a variety of, and the polyether polyol molecular weight be 1000-5000, hydroxyl value be 30-130mg KOH/g.
3. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating polyether polyol is polyetherdiol and/or polyether triol.
4. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating toluene di-isocyanate(TDI) is TDI-80.
5. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating plasticizer is one of diisononyl phthalate, chlorinated paraffin, citric acid ester plasticizer or a variety of.
6. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating pigments and fillers is one of carbon black, titanium dioxide, iron oxide yellow, talcum powder, coarse whiting or a variety of.
7. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating aldehyde material is benzaldehyde or isobutylaldehyde.
8. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Stating hydramine substance is one of ethanol amine, diglycolamine, butanol -2- amine, 3- Propanolamine or a variety of.
9. low temperature and low humidity according to claim 1 solidifies non-solvent single-component polyurethane water-proof paint, which is characterized in that institute
Sealer is stated to be prepared by the following method to obtain：
（1）Aldehyde material and azeotropic solvent are added in the reactor；
（2）In the cooling condition, hydramine substance is added dropwise into reactor, temperature is controlled at 50 DEG C or less；
（3）Make aldehyde material and alcamines substance reaction, and azeotropic 1~3h of reflux at 100~140 DEG C of temperature, separates water into
Completely, crude product is obtained；
（4）Gained crude product is maintained at 130~140 DEG C of temperature, vacuum distillation 1 under the conditions of negative pressure -0.06~-0.09Mpa~
2h steams excessive aldehyde material, obtains the sealer.
10. low temperature and low humidity described in claim 1-9 any claim solidifies non-solvent single-component polyurethane water-proof paint
Preparation method, which is characterized in that include the following steps：
（1）Polyether polyol, plasticizer, pigments and fillers, defoaming agent are added in the reaction vessel, stirring is warming up to 100 DEG C~120
DEG C, vacuum is dehydrated 2~3 hours under conditions of being -0.08~0.1MPa；
（2）Temperature is dropped 80 DEG C~85 DEG C hereinafter, addition toluene di-isocyanate(TDI) reacts 2~3 under 80 ± 5 DEG C of stirrings
Hour；
（3）Temperature of charge is dropped to 70 DEG C~80 DEG C hereinafter, addition catalyst, is answered 0.5~1 hour；
（4）70 DEG C~75 DEG C are reduced the temperature to hereinafter, addition sealer, reacts 1~2 hour；
（5）Reduce the temperature to 50 DEG C~60 DEG C hereinafter, be added promotor, stabilizer, stir 0.5~1 hour, after mixing evenly,
50 DEG C or less nitrogen filled protections are cooled to, are discharged.
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| CN114456698A (en) * | 2021-12-30 | 2022-05-10 | 安徽志诚机电零部件有限公司 | Polyurethane sponge waterproof membrane |
| CN116102967A (en) * | 2022-07-21 | 2023-05-12 | 北京鑫瑞基能源科技有限公司 | Ultrathin coating anti-corrosion paint and preparation method and application thereof |
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