CN105647372A - Organosilicon polyurethane waterproof coating and preparation method thereof - Google Patents
Organosilicon polyurethane waterproof coating and preparation method thereof Download PDFInfo
- Publication number
- CN105647372A CN105647372A CN201410641169.5A CN201410641169A CN105647372A CN 105647372 A CN105647372 A CN 105647372A CN 201410641169 A CN201410641169 A CN 201410641169A CN 105647372 A CN105647372 A CN 105647372A
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- CN
- China
- Prior art keywords
- component
- organic silicon
- preparation
- polyether
- polyurethane waterproof
- 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
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- 239000004814 polyurethane Substances 0.000 title claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000011248 coating agent Substances 0.000 title abstract description 5
- 238000000576 coating method Methods 0.000 title abstract description 5
- 239000003973 paint Substances 0.000 claims abstract description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 229920000570 polyether Polymers 0.000 claims description 34
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 26
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- 239000004970 Chain extender Substances 0.000 claims description 13
- 239000012752 auxiliary agent Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 12
- 229920001228 polyisocyanate Polymers 0.000 claims description 12
- 239000005056 polyisocyanate Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- -1 polydimethylsiloxane Polymers 0.000 claims description 10
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 208000005156 Dehydration Diseases 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 150000004985 diamines Chemical class 0.000 claims description 4
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 claims description 3
- 241001112258 Moca Species 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 239000004135 Bone phosphate Substances 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002334 glycols Chemical class 0.000 claims description 2
- 150000003512 tertiary amines Chemical class 0.000 claims description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 239000011527 polyurethane coating Substances 0.000 abstract 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 230000009182 swimming Effects 0.000 abstract 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- FHTQCUNSKSWOHF-UHFFFAOYSA-N ethyl carbamate;silicon Chemical compound [Si].CCOC(N)=O FHTQCUNSKSWOHF-UHFFFAOYSA-N 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012948 isocyanate Chemical group 0.000 description 1
- 150000002513 isocyanates Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The organic silicon polyurethane waterproof paint comprises a component A and a component B which are mixed according to the mass ratio of 1: 1.5. The polyurethane coating further improves the tensile strength performance of the coating on the basis of keeping good physical properties of the polyurethane coating, is suitable for wind power, parking lots and other environments requiring good wear resistance, and can be applied to waterproof and anti-seepage of underground waterproof cofferdams, sewage treatment pools, swimming pool subways, roadways and the like, industrial plants, large building roofs, refrigeration house air barriers, bridges, wind power plants and other projects.
Description
Technical field
The present invention relates to a kind of building water-proof paint, particularly a kind of organic silicon polyurethane waterproof paint and its preparation method.
Background technology
Polyurethane water-proof paint component A is the semi prepolymer obtained by terminal hydroxy group compound and isocyanate reaction; The mixture that B component is made up of Amino End Group resin and Amino End Group chainextender, and any hydroxyl content and catalyzer must not be contained, but allow the auxiliary agent containing a small amount of pigment and dispersion. Polyurethane water-proof paint has good wear resistance, shock resistance, water-repellancy, preservative property, the waterproof paint of a kind of excellent property. But existing polyurethane water-proof paint is due to two groups of part poor-performings, have impact on it and promotes the use of. Two group part agent that the polyurethane water-proof paint of existing two group part performance adopts is commonly inorganics, causes two group part poor-performings of material, is not suitable for the engineering construction usage of north of china in winter.
Summary of the invention
The present invention provides a kind of organic silicon polyurethane waterproof paint and its preparation method, solves existing polyurethane elastomer coating two group part poor performance, the technical problem that material physical property is not good.
The technical solution adopted for the present invention to solve the technical problems is:
This kind of bi-component organic silicon organic silicon polyurethane waterproof paint, is made up of component A and B component, and the raw materials by weight proportioning of described component A is as follows: polyether glycol 40% ~ 70%, polyisocyanates 30% ~ 60%, polydimethylsiloxane 10% ~ 15%; The raw materials by weight proportioning of described B component is as follows: Amino Terminated polyether(ATPE) 35%-60%, Amino End Group chainextender 20% ~ 40%, two groups of part agent 10%-30%, auxiliary agent 0.1% ~ 0.5%.
Described fire retardant agent is clorafin.
Described polyether glycol to be molecular weight the be polyether Glycols of 2000 ~ 5000, the mixture of both polyether-tribasic alcohol or arbitrary proportion.
Described polyisocyanates is TDI, MDI or the mixture of both arbitrary proportions.
Described Amino Terminated polyether(ATPE) to be molecular weight the be polyethers diamine of 2000 ~ 5000, the mixture of the two of polyethers tertiary amine or arbitrary proportion.
Described Amino End Group chainextender is MOCA.
Described auxiliary agent is organotin, triethylamine.
The preparation method of this kind of bi-component organic silicon polyurethane water-proof paint, comprises the preparation of component A and the preparation of B component, and the preparation method of component A is as follows:
Polyether glycol is added in electrothermic type reactor, decompression dehydration 2 hours at 95 ~ 110 DEG C, sampling and measuring moisture content, when moisture content is lower than less than 0.05%, cool, to be cooled to less than 50 DEG C time, add polyisocyanates, polydimethylsiloxane and be filled with nitrogen, reaction stirred, churning time is 45 minutes, then continues heating, is warming up to 80 DEG C, maintain the temperature at �� 3 DEG C within the scope of, react 2.5 hours, then it is cooled to less than 60 DEG C, grinds with shredder, filter-cloth filtering, barrelling, packaging, obtain component A;
The preparation method of B component is as follows:
Amino Terminated polyether(ATPE), Amino End Group chainextender, two groups of part agent are added in reactor and stirs, 95 ~ 110 DEG C of decompression dehydrations 2 hours, sampling and measuring moisture content, when moisture content is lower than less than 0.05%, cool, to be cooled to less than 60 DEG C time, add auxiliary agent, stir after 1 hour with shredder grinding, filtration, barrelling, pack, obtain B component.
The using method of this kind of bi-component organic silicon urethane, by A, B component during construction, with weight ratio 1:1.5 mixing, stirs after evenly, utilizes urethane specific equipment to apply, until coating meets the requirements of thickness.
The useful effect of the present invention is as follows:
The bi-component organic silicon polyurethane water-proof paint of the present invention have employed two group part, overcomes the defect of conventional urethane coating two group part poor performance, by rational proportioning, prepare the product that can under-35 DEG C of environment construction usage.
Embodiment
Embodiment 1, a kind of bi-component organic silicon polyurethane water-proof paint, is made up of component A and B component, and the raw materials by weight proportioning of described component A is as follows:
Polyether glycol 50%, polyisocyanates 50% polydimethylsiloxane 10%;
The raw materials by weight proportioning of described B component is as follows:
Amino Terminated polyether(ATPE) 44%, Amino End Group chainextender 36.5%, two groups of part agent 19.4%, auxiliary agent 0.1;
Embodiment 2, a kind of bi-component organic silicon polyurethane water-proof paint, is made up of component A and B component, and the raw materials by weight proportioning of described component A is as follows:
Polyether glycol 60%, polyisocyanates 40%, polydimethylsiloxane 20%;
The raw materials by weight proportioning of described B component is as follows:
Amino Terminated polyether(ATPE) 50%, Amino End Group chainextender 29.5%, two groups of part agent 10%, auxiliary agent 0.5;
Embodiment 3, a kind of bi-component organic silicon polyurethane water-proof paint, is made up of component A and B component, and the raw materials by weight proportioning of described component A is as follows:
Polyether glycol 50%, polyisocyanates 50%, polydimethylsiloxane 10%;
The raw materials by weight proportioning of described B component is as follows:
Amino Terminated polyether(ATPE) 42.3%, Amino End Group chainextender 27.3%, two groups of part agent 30%, auxiliary agent 0.4;
Embodiment 4, a kind of bi-component organic silicon polyurethane water-proof paint, is made up of component A and B component, and the raw materials by weight proportioning of described component A is as follows:
Polyether glycol 40%, polyisocyanates 60%, polydimethylsiloxane 10%;
The raw materials by weight proportioning of described B component is as follows:
Amino Terminated polyether(ATPE) 47%, Amino End Group chainextender 25%, two groups of part agent 27.5%, auxiliary agent 0.5;
Polyether glycol described in embodiment 1-4 is polyethers 2000, the mixture of the two of polyethers 3000 or arbitrary proportion.
Polyisocyanates described in embodiment 1-4 is TDI.
Amino Terminated polyether(ATPE) described in embodiment 1-4 is the mixture of the two of polyethers diamine 2000, polyethers diamine 3000 or arbitrary proportion.
To be MOCA, auxiliary agent the be triethylamine of Amino End Group chainextender described in embodiment 1-4, two groups of part agent are clorafin.
The preparation method of component A:
Polyether glycol is added in electrothermic type reactor, decompression dehydration 2 hours at 95 ~ 110 DEG C, sampling and measuring moisture content, when moisture content is lower than less than 0.05%, cool, to be cooled to less than 50 DEG C time, add polyisocyanates and polydimethylsiloxane 10% and be filled with nitrogen, reaction stirred, churning time is 45 minutes, then continues heating, is warming up to 80 DEG C, maintain the temperature at �� 3 DEG C within the scope of, react 2.5 hours, then it is cooled to less than 60 DEG C, grinds with shredder, filter-cloth filtering, barrelling, packaging, obtain component A;
The preparation method of B component:
Amino Terminated polyether(ATPE), Amino End Group chainextender, two groups of part agent are added in reactor and stirs, 95 ~ 110 DEG C of decompression dehydrations 2 hours, sampling and measuring moisture content, when moisture content is lower than less than 0.05%, cool, to be cooled to less than 60 DEG C time, add auxiliary agent, stir after 1 hour with shredder grinding, filtration, barrelling, pack, obtain B component.
The above, it it is only the better embodiment of the present invention, the present invention not does any restriction in form, and every any simple modification, equivalent variations and modification above embodiment done according to the technical spirit of the present invention, all still belongs in the scope of technical solution of the present invention.
Claims (6)
1. an organic silicon polyurethane waterproof paint, is made up of component A and B component, and the raw materials by weight proportioning of described component A is as follows: polyether glycol 40% ~ 70%, polyisocyanates 30%-60%, polydimethylsiloxane 10%-20%; The raw materials by weight proportioning of described B component is as follows: Amino Terminated polyether(ATPE) 35%-60%, Amino End Group chainextender 20% ~ 40%, two groups of part agent 10%-30%, auxiliary agent 0.1% ~ 0.5%.
2. organic silicon polyurethane waterproof paint according to claim 1, it is characterised in that: described polyether glycol to be molecular weight be 2000 ~ 5000 polyether Glycols, polyether-tribasic alcohol or the mixture of the two.
3. organic silicon polyurethane waterproof paint according to claim 1, described polyisocyanates is TDI, MDI or the mixture of both arbitrary proportions.
4. organic silicon polyurethane waterproof paint according to claim 1, described Amino Terminated polyether(ATPE) to be molecular weight be 2000 ~ 5000 polyethers diamine, polyethers tertiary amine or the mixture of the two.
5. Amino End Group chainextender described in is MOCA.
6. a preparation method for organic silicon polyurethane waterproof paint described in claim 1 ~ 4 any one, comprises the preparation of component A and B component, it is characterised in that:
The preparation method of component A:
Polyether glycol is added in electrothermic type reactor, decompression dehydration 2 hours at 95 ~ 110 DEG C, sampling and measuring moisture content, when moisture content is lower than less than 0.05%, cool, to be cooled to less than 50 DEG C time, add polyisocyanates and polydimethylsiloxane and be filled with nitrogen, reaction stirred, churning time is 45 minutes, then continues heating, is warming up to 80 DEG C, maintain the temperature at �� 3 DEG C within the scope of, react 2.5 hours, then it is cooled to less than 60 DEG C, grinds with shredder, filter-cloth filtering, barrelling, packaging, obtain component A;
The preparation method of B component:
Amino Terminated polyether(ATPE), Amino End Group chainextender, two groups of part agent are added in reactor and stirs, 95 ~ 110 DEG C of decompression dehydrations 2 hours, sampling and measuring moisture content, when moisture content is lower than less than 0.05%, cool, to be cooled to less than 60 DEG C time, add auxiliary agent, stir after 1 hour with shredder grinding, filtration, barrelling, pack, obtain B component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641169.5A CN105647372A (en) | 2014-11-14 | 2014-11-14 | Organosilicon polyurethane waterproof coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410641169.5A CN105647372A (en) | 2014-11-14 | 2014-11-14 | Organosilicon polyurethane waterproof coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105647372A true CN105647372A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410641169.5A Pending CN105647372A (en) | 2014-11-14 | 2014-11-14 | Organosilicon polyurethane waterproof coating and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105647372A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11981827B2 (en) | 2019-03-05 | 2024-05-14 | Dow Global Technologies Llc | Waterborne polyurethane dispersion and method for preparing the same |
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2014
- 2014-11-14 CN CN201410641169.5A patent/CN105647372A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11981827B2 (en) | 2019-03-05 | 2024-05-14 | Dow Global Technologies Llc | Waterborne polyurethane dispersion and method for preparing the same |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160608 |