CN107474716A - Polyurethane water-proof paint and preparation method thereof - Google Patents
Polyurethane water-proof paint and preparation method thereof Download PDFInfo
- Publication number
- CN107474716A CN107474716A CN201710722148.XA CN201710722148A CN107474716A CN 107474716 A CN107474716 A CN 107474716A CN 201710722148 A CN201710722148 A CN 201710722148A CN 107474716 A CN107474716 A CN 107474716A
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- preparation
- component
- polyurethane
- water
- proof paint
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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
- 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
- C08K2003/2231—Oxides; Hydroxides of metals of tin
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of polyurethane water-proof paint and preparation method thereof, the preparation method includes：1) polyurethane, waste Crumb rubber, tributyl phosphate, tin oxide, ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil is heat-treated so that component A is made；2) chlorosulfonation styrene, xylene resin, neoprene, ethylenediamine, titanium dioxide, ethanol, acetone is heat-treated so that component B is made；3) under pressure, component A is mixed with component B so that polyurethane water-proof paint is made.There is excellent heat endurance and water resistance by water-repellent paint made from this method, while the preparation method has process simple and the advantages of raw material is easy to get.
Description
Technical field
The present invention relates to water-repellent paint, in particular it relates to a kind of polyurethane water-proof paint and preparation method thereof.
Background technology
So-called coating is to be coated in the body surface protected or decorated, and the company of firm attachment can be formed with coated article
Continuous film, typically based on resin or oil or emulsion, add or do not add pigment, filler, add corresponding additive, use is organic
The thick liquid that solvent or water are formulated.Coating is typically by four kinds of bases：Film forming matter (resin), pigment (including body
Matter pigment), solvent and additive.1) film forming matter：It is the main component of film, including grease, fats and oils processing product, cellulose
Derivative, natural resin and synthetic resin.Film forming matter also includes the nonvolatile reactive diluent in part, and it is to make coating firm
The main matter that continuous film is formed on coated article face is attached to, is the basis for forming coating, decides the fundamental characteristics of coating.
2) auxiliary agent：Such as defoamer, levelling agent etc., there are some special function additives, such as ground wetting agent.These auxiliary agents are general not
Energy film forming, but considerable effect is played with durability to the process of base-material formation film.3) pigment：It is general to be divided to two kinds, one
It is coloring pigment to plant, common titanium dioxide, chrome yellow etc., and it is extender pigment also to plant, that is, the filler often said, such as calcium carbonate,
Talcum powder 4) solvent：Including varsol (mineral spirits, kerosene, gasoline, benzene,toluene,xylene etc.), alcohols, ethers, ketone
And Ester.The main function of solvent and water is to make film forming binder scattered and form thick liquid.It contribute to construction and
Improve some performances of film.
Coating can be divided into non-viscous paint, Teflon coating, decorative paint, anticorrosive paint, electrically-conducting paint, antirust by function and apply
Material, high-temperature resistant coating, thermo-color, insulating moulding coating, fireproof coating, water-repellent paint etc., wherein, although existing water-repellent paint energy
Enough meet the requirement of in general production and life, but in hot environment, often performance is unstable for existing water-repellent paint, it is difficult
To play the effect of waterproof.
The content of the invention
It is an object of the invention to provide a kind of polyurethane water-proof paint and preparation method thereof, passes through waterproof made from this method
Coating has excellent a heat endurance and water resistance, while the preparation method has process simple and the advantages of raw material is easy to get.
To achieve these goals, the invention provides a kind of preparation method of polyurethane water-proof paint, the preparation method
Including：
1) polyurethane, waste Crumb rubber, tributyl phosphate, tin oxide, ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil are subjected to heat
Processing is with obtained component A；
2) chlorosulfonation styrene, xylene resin, neoprene, ethylenediamine, titanium dioxide, ethanol, acetone are subjected to hot place
Reason is with obtained component B；
3) under pressure, component A is mixed with component B so that polyurethane water-proof paint is made.
Present invention also offers a kind of preparation method of polyurethane water-proof paint, the polyurethane water-proof paint passes through above-mentioned
Preparation method is prepared.
In the above-mentioned technical solutions, water-repellent paint made from the organic combination that the present invention passes through each raw material has excellent
Different heat endurance and water resistance, while the preparation method has process simple and the advantages of raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of preparation method of polyurethane water-proof paint, the preparation method includes：
1) polyurethane, waste Crumb rubber, tributyl phosphate, tin oxide, ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil are subjected to heat
Processing is with obtained component A；
2) chlorosulfonation styrene, xylene resin, neoprene, ethylenediamine, titanium dioxide, ethanol, acetone are subjected to hot place
Reason is with obtained component B；
3) under pressure, component A is mixed with component B so that polyurethane water-proof paint is made.
In the step 1) of above-mentioned preparation method, the dosage of each material can select in wide scope, but in order that
Obtained water-repellent paint has excellent heat endurance and water resistance, it is preferable that in step 1), polyurethane, waste Crumb rubber,
Tributyl phosphate, tin oxide, ethylene glycol, propyl alcohol, ammonium persulfate, the weight ratio of silicone oil are 10：3-5：2-4：0.1-0.4：20-
25：10-15：0.05-0.2：1.5-2.
In the step 1) of above-mentioned preparation method, be heat-treated condition can select in wide scope, but in order that
Obtained water-repellent paint has excellent heat endurance and water resistance, it is preferable that in step 1), heat treatment meets following bar
Part：Temperature is 60-70 DEG C, time 4-6h, and is carried out in the case where rotating speed is 1000-1500rpm stirring condition.
In the step 1) of above-mentioned preparation method, the particle diameter of material can select in wide scope, but in order that system
The water-repellent paint obtained has excellent heat endurance and water resistance, it is preferable that in step 1), tributyl phosphate, tin oxide
Average grain diameter each stand alone as 0.1-0.4mm.
In the step 1) of above-mentioned preparation method, the weight average molecular weight of polyurethane can select in wide scope, still
In order that obtained water-repellent paint has excellent heat endurance and water resistance, it is preferable that in step 1), the weight of polyurethane
Average molecular weight is 1500-3500.
In the step 2) of above-mentioned preparation method, the dosage of each material can select in wide scope, but in order that
Obtained water-repellent paint has excellent heat endurance and water resistance, it is preferable that in step 2), chlorosulfonation styrene, two
Toluene resin, neoprene, ethylenediamine, titanium dioxide, ethanol, the weight ratio of acetone are 10：3-5：1-4：0.2-0.6：0.05-
0.15：18-25：2-4.
In the step 2) of above-mentioned preparation method, the condition of heat treatment in wide scope to select, but in order that system
The water-repellent paint obtained has excellent heat endurance and water resistance, it is preferable that in step 2), heat treatment meets following bar
Part：Temperature is 75-85 DEG C, time 4-6h, and is carried out in the case where rotating speed is 1000-1500rpm stirring condition.
In the step 2) of above-mentioned preparation method, the average grain diameter of titanium dioxide to be selected in wide scope, but in order to
Make obtained water-repellent paint that there is excellent heat endurance and water resistance, it is preferable that in step 2), the average grain of titanium dioxide
Footpath is 0.2-0.5mm.
In the step 2) of above-mentioned preparation method, the weight average molecular weight of chlorosulfonation styrene to be selected in wide scope,
But in order that obtained water-repellent paint has excellent heat endurance and water resistance, it is preferable that in step 2), chlorosulfonation
The weight average molecular weight of styrene is 3000-5000.
In the step 3) of above-mentioned preparation method, the dosage of each material can select in wide scope, but in order that
Obtained water-repellent paint has excellent heat endurance and water resistance, it is preferable that in step 3), component A and component B weight
Amount is than being 1：0.5-0.8.
In the step 3) of above-mentioned preparation method, the condition of mixing can select in wide scope, but in order that system
The water-repellent paint obtained has excellent heat endurance and water resistance, it is preferable that in step 3), mixing meets following condition：
Temperature is 45-55 DEG C, time 2-3h, and is carried out in the case where rotating speed is 1000-1500rpm stirring condition.
Present invention also offers a kind of preparation method of polyurethane water-proof paint, the polyurethane water-proof paint passes through above-mentioned
Preparation method is prepared.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) by polyurethane (weight average molecular weight 2500), waste Crumb rubber, tributyl phosphate (average grain diameter 0.3mm), oxygen
Change tin (average grain diameter 0.2mm), ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil according to 10：4：3：0.3：23：13：0.15：1.8
Weight ratio be heat-treated (temperature be 65 DEG C, time 5h, and rotating speed be 1300rpm stirring condition under carry out) with
Component A is made；
2) by chlorosulfonation styrene (weight average molecular weight 4000), xylene resin, neoprene, ethylenediamine, titanium dioxide
(average grain diameter 0.3mm), ethanol, acetone are according to 10：4：3：0.3：0.1：22：3 weight ratio is heat-treated (temperature 80
DEG C, time 5h, and carried out in the case where rotating speed is 1300rpm stirring condition) with obtained component B；
3) under pressure, by component A and component B according to 1：0.6 weight ratio mixed (temperature be 50 DEG C,
Time is 2.5h, and is carried out in the case where rotating speed is 1300rpm stirring condition) with obtained polyurethane water-proof paint C1.
Embodiment 2
1) by polyurethane (weight average molecular weight 1500), waste Crumb rubber, tributyl phosphate (average grain diameter 0.1mm), oxygen
Change tin (average grain diameter 0.1mm), ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil according to 10：3：2：0.1：20：10：0.05：1.5
Weight ratio be heat-treated (temperature be 60 DEG C, time 4h, and rotating speed be 1000rpm stirring condition under carry out) with
Component A is made；
2) by chlorosulfonation styrene (weight average molecular weight 3000), xylene resin, neoprene, ethylenediamine, titanium dioxide
(average grain diameter 0.2mm), ethanol, acetone are according to 10：3：1：0.2：0.05：18：2 weight ratio is heat-treated, and (temperature is
75 DEG C, time 4h, and carried out in the case where rotating speed is 1000rpm stirring condition) with obtained component B；
3) under pressure, by component A and component B according to 1：0.5 weight ratio mixed (temperature be 45 DEG C,
Time is 2h, and is carried out in the case where rotating speed is 1000rpm stirring condition) with obtained polyurethane water-proof paint C2.
Embodiment 3
1) by polyurethane (weight average molecular weight 3500), waste Crumb rubber, tributyl phosphate (average grain diameter 0.4mm), oxygen
Change tin (average grain diameter 0.4mm), ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil according to 10：5：4：0.4：25：15：0.2：2 weight
Amount is than being heat-treated (temperature is 70 DEG C, time 6h, and is carried out in the case where rotating speed is 1500rpm stirring condition) with obtained
Component A；
2) by chlorosulfonation styrene (weight average molecular weight 5000), xylene resin, neoprene, ethylenediamine, titanium dioxide
(average grain diameter 0.5mm), ethanol, acetone are according to 10：3-5：1-4：0.2-0.6：0.05-0.15：18-25：2-4 weight ratio
(temperature is 85 DEG C, time 6h, and is carried out in the case where rotating speed is 1500rpm stirring condition) is heat-treated so that component is made
B；
3) under pressure, by component A and component B according to 1：0.5-0.8 weight ratio is mixed (temperature 55
DEG C, time 3h, and carried out in the case where rotating speed is 1500rpm stirring condition) with obtained polyurethane water-proof paint C3.
Comparative example 1
Method according to embodiment 1 carries out that water-repellent paint D1 is made, unlike, component A is not used in step 3).
Comparative example 2
Method according to embodiment 1 carries out that water-repellent paint D2 is made, unlike, component B is not used in step 3).
Detect example 1
Following contact angle test is carried out using GB/T24368-2009 testing standards, when the globule and the contact angle of substrate surface
Just there is hydrophobic ability during more than 90 °, there is super-hydrophobic ability when contact angle is more than 150 degree.Coated above-mentioned at 80 DEG C
In on concrete wall surface, the contact angle of dope layer is detected after its coagulation forming, testing result is shown in Table 1.
Table 1
| C1 | C1 | C3 | D1 | D2 | |
| Contact angle/° | 122 | 119 | 122 | 95 | 107 |
By above-described embodiment and comparative example, water-repellent paint provided by the invention has excellent heat endurance and prevented
Water-based energy.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of preparation method of polyurethane water-proof paint, it is characterised in that the preparation method includes：
1) polyurethane, waste Crumb rubber, tributyl phosphate, tin oxide, ethylene glycol, propyl alcohol, ammonium persulfate, silicone oil are heat-treated
So that component A is made；
2) by chlorosulfonation styrene, xylene resin, neoprene, ethylenediamine, titanium dioxide, ethanol, acetone be heat-treated with
Component B is made；
3) under pressure, the component A is mixed with component B so that the polyurethane water-proof paint is made.
2. preparation method according to claim 1, it is characterised in that in step 1), the polyurethane, waste Crumb rubber,
Tributyl phosphate, tin oxide, ethylene glycol, propyl alcohol, ammonium persulfate, the weight ratio of silicone oil are 10：3-5：2-4：0.1-0.4：20-
25：10-15：0.05-0.2：1.5-2.
3. preparation method according to claim 1, it is characterised in that in step 1), the heat treatment meets following bar
Part：Temperature is 60-70 DEG C, time 4-6h, and is carried out in the case where rotating speed is 1000-1500rpm stirring condition.
4. preparation method according to claim 1, it is characterised in that in step 1), the tributyl phosphate, tin oxide
Average grain diameter each stand alone as 0.1-0.4mm；The weight average molecular weight of the polyurethane is 1500-3500.
5. according to the preparation method described in any one in claim 1-4, it is characterised in that in step 2), the chlorine sulphur
It is 10 to change styrene, xylene resin, neoprene, ethylenediamine, titanium dioxide, ethanol, the weight ratio of acetone：3-5：1-4：0.2-
0.6：0.05-0.15：18-25：2-4.
6. preparation method according to claim 5, it is characterised in that in step 2), the heat treatment meets following bar
Part：Temperature is 75-85 DEG C, time 4-6h, and is carried out in the case where rotating speed is 1000-1500rpm stirring condition.
7. preparation method according to claim 5, it is characterised in that in step 2), the average grain diameter of the titanium dioxide
For 0.2-0.5mm；The weight average molecular weight of the chlorosulfonation styrene is 3000-5000.
8. the preparation method according to any one in claim 1-4,6-7, it is characterised in that described in step 3)
Component A and component B weight ratio is 1：0.5-0.8.
9. preparation method according to claim 8, it is characterised in that in step 3), the mixing meets following condition：
Temperature is 45-55 DEG C, time 2-3h, and is carried out in the case where rotating speed is 1000-1500rpm stirring condition.
10. a kind of preparation method of polyurethane water-proof paint, it is characterised in that the polyurethane water-proof paint passes through claim
Preparation method in 1-9 described in any one is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710722148.XA CN107474716A (en) | 2017-08-22 | 2017-08-22 | Polyurethane water-proof paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710722148.XA CN107474716A (en) | 2017-08-22 | 2017-08-22 | Polyurethane water-proof paint and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107474716A true CN107474716A (en) | 2017-12-15 |
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ID=60601496
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| CN201710722148.XA Pending CN107474716A (en) | 2017-08-22 | 2017-08-22 | Polyurethane water-proof paint and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479363A (en) * | 2016-11-09 | 2017-03-08 | 天津市京建建筑防水工程有限公司 | High polymer SBS modified pitch water-emulsifying type waterproof coatings |
| CN106867392A (en) * | 2017-01-18 | 2017-06-20 | 大禹伟业(北京)国际科技有限公司 | A kind of aqueous polyurethane water-repellent paint and its preparation and construction method |
-
2017
- 2017-08-22 CN CN201710722148.XA patent/CN107474716A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479363A (en) * | 2016-11-09 | 2017-03-08 | 天津市京建建筑防水工程有限公司 | High polymer SBS modified pitch water-emulsifying type waterproof coatings |
| CN106867392A (en) * | 2017-01-18 | 2017-06-20 | 大禹伟业(北京)国际科技有限公司 | A kind of aqueous polyurethane water-repellent paint and its preparation and construction method |
Non-Patent Citations (5)
| Title |
|---|
| 卢行芳编著: "《皮革染整新技术》", 31 October 2002, 化学工业出版社 * |
| 本书编写组: "《涂料工业用原材料技术标准汇编》", 31 July 1983, 技术标准出版社 * |
| 本书编写组: "《涂料工艺（第三版）上册》", 31 December 1997, 化学工业出版社 * |
| 朱洪法等: "《无机化工产品手册》", 31 December 2008, 金盾出版社 * |
| 陈昭琼主编: "《精细化工产品配方、合成及应用》", 31 October 1999, 国防工业出版社 * |
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