CN101033368A - Ultra-low temperature polyurethane color waterproofing paint - Google Patents
Ultra-low temperature polyurethane color waterproofing paint Download PDFInfo
- Publication number
- CN101033368A CN101033368A CN 200710098395 CN200710098395A CN101033368A CN 101033368 A CN101033368 A CN 101033368A CN 200710098395 CN200710098395 CN 200710098395 CN 200710098395 A CN200710098395 A CN 200710098395A CN 101033368 A CN101033368 A CN 101033368A
- Authority
- CN
- China
- Prior art keywords
- component
- low temperature
- ultra
- temperature
- waterproofing paint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a kind of ultra-low temperature colored polyurethane (PU) waterproofing coating, which is prepared with group-material A and group-material B. The group-material A is the polyurethane prepolymer of polyether and toluene diisocyanate through polycondensation reaction, and group-material B is the colored liquid diluent of plasticizer, curing agent, thickener, procoagulant agent, filler. The material is the physical mixture of group-material A and group-material B. The waterproof coating has low temperature toughness, high strength, elongation, good elasticity.
Description
Technical field
The present invention relates to the high polymer waterproof material technical field, be specially a kind of ultra-low temperature polyurethane color waterproofing paint.
Background technology
In recent years, China's material of construction development is very fast, and novel material continues to bring out, particularly along with the development of petrochemical industry, high polymer waterproof material occurred,, in building and road construction, occupied critical role such as the Series of Polyurethane waterproof paint of great variety of goods, performance diversification.The waterproof paint of being produced at present normally with tolylene diisocyanate (TDI) or diphenylmethanediisocyanate (MDI) as basic raw material, the low temperature flexibility of the polyurethane water-proof paint of being produced is generally-30 ℃--and 45 ℃, though in certain temperature range, can solve the buildings seepage problem, can not fundamentally solve the water leakage problem of buildings under high severe cold Regional Rail construction and high severe cold environment.Low temperature flexibility (low-temperature bending), tensile strength, elongation at break are three important indicators that detect the waterproof paint performance, though these three performance index of existing polyurethane water-proof paint reach the industry standard requirement, still have above-mentioned said problem in actual use.
Summary of the invention
The present invention for solve existing polyurethane water-proof paint low temperature flexibility under high severe cold environment poor, easily crack, problem such as tensile strength is low, a kind of ultra-low temperature polyurethane color waterproofing paint is provided, have good thermotolerance and low temperature flexibility, good springiness, advantages such as unit elongation is big, and cohesive force is strong.
The present invention adopts following technical scheme to realize: ultra-low temperature polyurethane color waterproofing paint, and made by following first component and second component: described first component is the base polyurethane prepolymer for use as that is obtained through polycondensation by polyethers and tolylene diisocyanate; Described second component is the colour liquid of being made by softening agent, solidifying agent, thickening material, setting accelerator, weighting agent, thinner.
Plurality of raw materials of the present invention all can be buied from the market, is that those of ordinary skill in the art is easy to obtain.
Prepare the method for above-mentioned ultra-low temperature polyurethane color waterproofing paint, may further comprise the steps:
The preparation method of first component:
(1) polyethers is added in the reactor, stir, adjust pH value;
(2) heat temperature raising is to 85-90 ℃, and vacuum hydro-extraction 30-60min maintains the temperature at 105 ± 5 ℃;
(3) the dehydration back that finishes feeds cooling water temperature to 65 ± 5 ℃, and adds tolylene diisocyanate and react, and the reaction times is 1.5-2.5h;
(4) after reaction finished, vacuum defoamation 1-1.5h fed cooling water temperature to 60 ℃ then, opens bleeder valve, obtains the first component, i.e. base polyurethane prepolymer for use as;
The preparation method of second component:
(1) softening agent, thickening material, setting accelerator are added in the reactor, stir;
(2) heat temperature raising to 120 ± 5 ℃, dehydration 1h adds weighting agent;
(3) vacuum hydro-extraction 2.5-3.5h under said temperature;
(4) after dehydration finishes, add solidifying agent and be cooled to 60-80 ℃;
(5) add thinner and stir 0.5h, open bleeder valve, obtain the second component.
Ultra-low temperature polyurethane color waterproofing paint of the present invention in use, with the above-mentioned first component that obtains and second component by 7.5-8.5: 1 mixed, after stirring, brushing on the need formation level, through a few hours afterreaction fixedly become the waterproof coating that high resilience, toughness have weather resistance again.
Check through the Shanxi Province Construction Science Institute according to prescription of the present invention and the resulting ultra-low temperature polyurethane color waterproofing paint of preparation method, its assay is as shown in the table:
| Sequence number | Interventions Requested | Unit | Technical requirements (II) | Assay | Remarks |
| 1 | Tensile strength | Mpa | ≥2.45 | 7.78 | Qualified |
| 2 | Elongation at break | 5 | ≥450 | 518 | Qualified |
| 3 | The low-temperature bending rate | ℃ | -35 ℃, flawless | -60 ℃, flawless | Qualified |
From above table, can find out, every performance index of waterproof paint of the present invention all meet and are higher than the technical requirements of GB/T19250-2003 " polyurethane water-proof paint " standard polycomponent II type, really can solve the difficult problem such as waterproof, seepage of buildings under the high severe cold environment.
In a word, have the following advantages according to prescription of the present invention and the resulting ultra-low temperature polyurethane color waterproofing paint of preparation method:
1, low temperature flexibility good (60 ℃), intensity height, big, the good springiness of unit elongation;
2, can thickly be coated with, it is closely knit to film, and film-formation result is good;
3, quick solidifying, do solid work≤24 hours surface drying≤8 hour, has shortened the duration;
4, water-fastly, corrosion-resistant, anti-go mouldy, resist cold, waterproof;
5, bright in luster, have the heat reflection function simultaneously, can play heat insulation, insulation effect, be used for decoration of exterior wall, can not only play impervious, moistureproof, mildew-proof function, can also play the decoration effect;
Therefore, with the over-all properties comparison of like product, waterproof paint of the present invention has certain economic benefits and social benefit, is particularly useful for civil building engineering and the culvert of railroad bridge tunnel under the high severe cold environment.
Embodiment
Embodiment 1:
Ultra-low temperature polyurethane color waterproofing paint, made by following first component and second component: described first component is the base polyurethane prepolymer for use as that is obtained through polycondensation by polyethers and tolylene diisocyanate; Described second component is the colour liquid of being made by softening agent, solidifying agent, thickening material, setting accelerator, weighting agent, thinner.Prepare the method for above-mentioned ultra-low temperature polyurethane color waterproofing paint, may further comprise the steps: the preparation method of first component: (1) adds polyethers in the reactor, stirs, and adjusts pH value; (2) heat temperature raising to 85 ℃, vacuum hydro-extraction 30min maintains the temperature at 110 ℃; (3) the dehydration back that finishes feeds cooling water temperature to 60 ℃, and adds tolylene diisocyanate and react, and the reaction times is 1.5h; (4) after reaction finished, vacuum defoamation 1h fed cooling water temperature to 60 ℃ then, opens bleeder valve, obtains the first component, i.e. base polyurethane prepolymer for use as;
The preparation method of second component: (1) adds softening agent, thickening material, setting accelerator in the reactor, stirs; (2) heat temperature raising to 115 ℃, dehydration 1h adds weighting agent; (3) vacuum hydro-extraction 2.5h under said temperature; (4) after dehydration finishes, add solidifying agent and be cooled to 60 ℃; (5) add thinner and stir 0.5h, open bleeder valve, obtain the second component.
During use, with first component and second component mixed, promptly make polyurethane water-proof paint of the present invention, after then it being stirred according to 7.5: 1, brushing on the need formation level, through a few hours afterreaction fixedly become the waterproof coating that high resilience, toughness have weather resistance again.
Embodiment 2:
Ultra-low temperature polyurethane color waterproofing paint, made by following first component and second component: described first component is the base polyurethane prepolymer for use as that is obtained through polycondensation by polyethers and tolylene diisocyanate; Described second component is the colour liquid of being made by softening agent, solidifying agent, thickening material, setting accelerator, weighting agent, thinner.Prepare the method for above-mentioned ultra-low temperature polyurethane color waterproofing paint, may further comprise the steps: the preparation method of first component: (1) adds polyethers in the reactor, stirs, and adjusts pH value; (2) heat temperature raising to 90 ℃, vacuum hydro-extraction 60min maintains the temperature at 100 ℃; (3) the dehydration back that finishes feeds cooling water temperature to 70 ℃, and adds tolylene diisocyanate and react, and the reaction times is 2.5h; (4) after reaction finished, vacuum defoamation 1.5h fed cooling water temperature to 60 ℃ then, opens bleeder valve, obtains the first component, i.e. base polyurethane prepolymer for use as;
The preparation method of second component: (1) adds softening agent, thickening material, setting accelerator in the reactor, stirs; (2) heat temperature raising to 125 ℃, dehydration 1h adds weighting agent; (3) vacuum hydro-extraction 3.5h under said temperature; (4) after dehydration finishes, add solidifying agent and be cooled to 80 ℃; (5) add thinner and stir 0.5h, open bleeder valve, obtain the second component.
During use, with first component and second component mixed, promptly make polyurethane water-proof paint of the present invention, after then it being stirred according to 8: 1, brushing on the need formation level, through a few hours afterreaction fixedly become the waterproof coating that high resilience, toughness have weather resistance again.
Embodiment 3:
Ultra-low temperature polyurethane color waterproofing paint, made by following first component and second component: described first component is the base polyurethane prepolymer for use as that is obtained through polycondensation by polyethers and tolylene diisocyanate; Described second component is the colour liquid of being made by softening agent, solidifying agent, thickening material, setting accelerator, weighting agent, thinner.Prepare the method for above-mentioned ultra-low temperature polyurethane color waterproofing paint, may further comprise the steps: the preparation method of first component: (1) adds polyethers in the reactor, stirs, and adjusts pH value; (2) heat temperature raising to 87 ℃, vacuum hydro-extraction 45min maintains the temperature at 112 ℃; (3) the dehydration back that finishes feeds cooling water temperature to 65 ℃, and adds tolylene diisocyanate and react, and the reaction times is 2h; (4) after reaction finished, vacuum defoamation 1.3h fed cooling water temperature to 60 ℃ then, opens bleeder valve, obtains the first component, i.e. base polyurethane prepolymer for use as;
The preparation method of second component: (1) adds softening agent, thickening material, setting accelerator in the reactor, stirs; (2) heat temperature raising to 120 ℃, dehydration 1h adds weighting agent; (3) vacuum hydro-extraction 3h under said temperature; (4) after dehydration finishes, add solidifying agent and be cooled to 70 ℃; (5) add thinner and stir 0.5h, open bleeder valve, obtain the second component.
During use, with first component and second component mixed, promptly make polyurethane water-proof paint of the present invention, after then it being stirred according to 8.5: 1, brushing on the need formation level, through a few hours afterreaction fixedly become the waterproof coating that high resilience, toughness have weather resistance again.
Claims (3)
1, a kind of ultra-low temperature polyurethane color waterproofing paint is characterized in that being made by following first component and second component: described first component is the base polyurethane prepolymer for use as that is obtained through polycondensation by polyethers and tolylene diisocyanate; Described second component is the colour liquid of being made by softening agent, solidifying agent, thickening material, setting accelerator, weighting agent, thinner.
2, the method for preparation as the described ultra-low temperature polyurethane color waterproofing paint of above-mentioned claim 1 is characterized in that may further comprise the steps:
The preparation method of first component:
(1) polyethers is added in the reactor, stir, adjust pH value;
(2) heat temperature raising is to 85-90 ℃, and vacuum hydro-extraction 30-60min maintains the temperature at 105 ± 5 ℃;
(3) the dehydration back that finishes feeds cooling water temperature to 65 ± 5 ℃, and adds tolylene diisocyanate and react, and the reaction times is 1.5-2.5h;
(4) after reaction finished, vacuum defoamation 1-1.5h fed cooling water temperature to 60 ℃ then, opens bleeder valve, obtains the first component, i.e. base polyurethane prepolymer for use as;
The preparation method of second component:
(1) softening agent, thickening material, setting accelerator are added in the reactor, stir;
(2) heat temperature raising to 120 ± 5 ℃, dehydration 1h adds weighting agent;
(3) vacuum hydro-extraction 2.5-3.5h under said temperature;
(4) after dehydration finishes, add solidifying agent and be cooled to 60-80 ℃;
(5) add thinner and stir 0.5h, open bleeder valve, obtain the second component.
3, ultra-low temperature polyurethane color waterproofing paint according to claim 1 and 2, when it is characterized in that using, the ratio of first component and second component is 7.5-8.5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710098395 CN101033368A (en) | 2007-04-25 | 2007-04-25 | Ultra-low temperature polyurethane color waterproofing paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710098395 CN101033368A (en) | 2007-04-25 | 2007-04-25 | Ultra-low temperature polyurethane color waterproofing paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101033368A true CN101033368A (en) | 2007-09-12 |
Family
ID=38730120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710098395 Pending CN101033368A (en) | 2007-04-25 | 2007-04-25 | Ultra-low temperature polyurethane color waterproofing paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101033368A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359077A (en) * | 2011-09-30 | 2012-02-22 | 北京市政建设集团有限责任公司 | Waterproof method of blanket plate hoisting hole |
| CN104974586A (en) * | 2015-05-08 | 2015-10-14 | 江苏江城电气有限公司 | Process for producing waterproof coating material for high-voltage waterproof bus |
| CN116285645A (en) * | 2023-04-20 | 2023-06-23 | 张浩然 | Polyurethane waterproof coating and preparation method thereof |
-
2007
- 2007-04-25 CN CN 200710098395 patent/CN101033368A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359077A (en) * | 2011-09-30 | 2012-02-22 | 北京市政建设集团有限责任公司 | Waterproof method of blanket plate hoisting hole |
| CN104974586A (en) * | 2015-05-08 | 2015-10-14 | 江苏江城电气有限公司 | Process for producing waterproof coating material for high-voltage waterproof bus |
| CN116285645A (en) * | 2023-04-20 | 2023-06-23 | 张浩然 | Polyurethane waterproof coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113943503B (en) | Two-component polymer cement-based waterproof coating composition, two-component polymer cement-based waterproof coating, and preparation method and application thereof | |
| KR100917703B1 (en) | Waterproof agent for elastic membrane and preparing method thereof | |
| CN106380144A (en) | Semi-interpenetrating polymer cement-based flexible facing brick and manufacturing method thereof | |
| CN108795177B (en) | Waterproof coating and preparation method thereof | |
| CN1150285C (en) | Water-proof polymer-cement paint with low polymer/cement ratio and high performance and its preparing process | |
| CN106675379A (en) | Modified acrylic acid waterproof paint and preparation method thereof | |
| CN114085585A (en) | Basalt fiber modified polymer cement waterproof coating | |
| CN107777922B (en) | Concrete thin layer repairing polymer mortar and preparation method thereof | |
| CN113234414A (en) | Preparation method and application of low-modulus deketoxime type weather-resistant adhesive | |
| CN101033368A (en) | Ultra-low temperature polyurethane color waterproofing paint | |
| CN103666235B (en) | A kind of polyurethane water-proof anticorrosive paint and preparation method thereof | |
| CN115386287A (en) | Weather-resistant high-strength elastic coating and preparation method and application thereof | |
| CN1876750A (en) | High intensity elastic water-proofing material | |
| CN105199583A (en) | Environment-friendly polyurethane waterproof coating | |
| CN107793860A (en) | A kind of acrylic acid composite coating and preparation method thereof | |
| CN111825389A (en) | Inorganic fiber reinforced polymer-based waterproof coating and preparation method thereof | |
| CN115784683A (en) | High-performance polymer cement-based waterproof coating for hydraulic buildings | |
| KR102053023B1 (en) | The reactive floor coating material composition and preparation method thereof | |
| CN108822626B (en) | Single-component waterproof coating film for ceramic tile adhesion and preparation method thereof | |
| CN115322724A (en) | Environment-friendly high-low temperature impact-resistant weather-resistant bi-component polyurethane potting sealant and preparation method thereof | |
| CN112322144B (en) | High molecular resin water-proof anticorrosive paint and its preparation method | |
| CN111960726B (en) | Mercapto-terminated polyurethane modified epoxy mortar and preparation method thereof | |
| KR100861986B1 (en) | The one water-type waterproof and maunfacturing method thereof | |
| CN1108678A (en) | Water-proof polyurethane coating film and preparation method thereof | |
| CN105199585A (en) | Novel polyurethane waterproof coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |