CN108276894A - A kind of inorganic silicon modified polyurethane water-repellent paint - Google Patents
A kind of inorganic silicon modified polyurethane water-repellent paint Download PDFInfo
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- CN108276894A CN108276894A CN201810044912.7A CN201810044912A CN108276894A CN 108276894 A CN108276894 A CN 108276894A CN 201810044912 A CN201810044912 A CN 201810044912A CN 108276894 A CN108276894 A CN 108276894A
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- parts
- repellent paint
- component
- polyurethane water
- silicon modified
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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
- C09D175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/482—Mixtures of polyethers containing at least one polyether containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
Abstract
The present invention provides a kind of inorganic silicon modified polyurethane water-repellent paint, it is characterised in that：The raw material of the water-repellent paint includes component A, B component, weight proportion 3:1.The component A, in parts by weight, including：30 ~ 40 parts of binary polyether polyol, 20 ~ 30 parts of diisocyanate, 5 ~ 8 parts of latent curing agent, 20 ~ 30 parts of powder.The B component, in parts by weight, including：Na2O·nSiO245 ~ 50 parts of solution, 0.5 ~ 1 part of catalyst, 0.3 ~ 0.8 part of emulsifier, 10 ~ 15 parts of polyetheramine.Under the conditions of the present invention is without using the high chain extender of price, the high-performance of polyurethane water-proof paint is realized.
Description
Technical field
The present invention relates to a kind of inorganic silicon modified polyurethane water-repellent paints, belong to architectural waterproof material field.
Background technology
Polyurethane water-proof paint is the end group master made of after first alcohol of polyethers and the chemical reaction of excessive diisocyanate
Body is the performed polymer of isocyanates, adds water-repellent paint made of some fillers and auxiliary agent.After paint solidification in film shape
At continuous net-shaped polyurethane high molecule network, thus film has larger tensile strength and larger elongation percentage, is building
Occupy vital status in waterproof applications, polyurethane water-proof paint is《National chemical building material industry the Tenth Five-Year Plan (2001-2005) and 2
01 5 years development planning outlines》The water-repellent paint that middle emphasis is promoted, and be listed in preferential in chemical building material technology and product announcement
The waterproof material of selection.
But the shortcomings of traditional polyurethane water-proof paint is substantially more expensive, liquid impact erosion resistance is weak, poor flame retardant properties.
Invention content
The present invention is directed to the above the deficiencies in the prior art, provides a kind of inorganic silicon modified polyurethane water-repellent paint, to realize
Following purpose：
1, it under the conditions of without using the high chain extender of price, realizes the high-performance of polyurethane water-proof paint, substantially reduces material cost；
2, the water resistant performance of polyurethane water-proof paint is improved；
3, the flame retardant property of polyurethane water-proof paint is improved.
The present invention to achieve the above object, using following scheme：
A kind of inorganic silicon modified polyurethane water-repellent paint, including component A, B component, weight proportion 3:1；
The component A includes：30 ~ 40 parts of binary polyether polyol, 20 ~ 30 parts of diisocyanate, 5 ~ 8 parts of latent curing agent,
20 ~ 30 parts of powder；
The B component includes：Na2O·nSiO245 ~ 50 parts of solution, 0.5 ~ 1 part of catalyst, 0.3 ~ 0.8 part of emulsifier, polyetheramine
10 ~ 15 parts；
The number be parts by weight；
The binary polyether polyol is DL-2000D；
The diisocyanate is one or more in the common diisocyanate such as TDI-80, MDI-50, IPDI；
The latent curing agent is one kind in imines, oxazole alkanes latent curing agent；
The powder is one or more in kaolin, coarse whiting, talcum powder；
The Na2OnSiO2 solution modulus is 3.5, solid content 50%；
The catalyst is catalyst CUCAT-WN；
The emulsifier is nonylphenol polyoxyethylene ether；
The polyetheramine is ternary polyetheramine T-403.
The preparation method of the component A is：Binary polyether polyol, filler are mixed, 118~122 DEG C of stirring 2h ±
10min, while with -0.08~-0.09MPa vacuum dehydrations, being then cooled to 75~85 DEG C of addition diisocyanate and being stirred to react
Then latent curing agent stirring 30min ± 5min dischargings are added in 2h ± 10min, mixing speed is 780-820r/min；
The preparation method of the B component is：Under room temperature be added Na2OnSiO2 solution, open stirring, mixing speed be 1000~
1200r/min sequentially adds emulsifier, polyetheramine, catalyst, stops stirring discharging after 1h ± 10min；
Then A, B component are stirred evenly and can be applied according to the ratio in construction by the inorganic silicon modified polyurethane water-repellent paint
Brush, and be finished in 20min.
Compared with prior art, the invention has the advantages that：
（1）Polyurethane water-proof paint of the present invention realizes polyurethane water-proof paint under the conditions of without using price high chain extender
High-performance substantially reduces material cost；Tensile strength is 8.1-9.7Mpa, elongation at break 502-540%, tearing strength 41-
47N/mm。
（2）It is B1-C grades that product without adding fire retardant preparation, which has significant flame retardant property, firing resistance,.
（3）Water absorption rate is very low, water absorption rate 0.4-0.5%, and wearability is 0.4-0.5mmg (750g, 500r, weightless),
Therefore there is superior water resistant property.
（4）Also have higher cementitiousness, moisture substrate viscous with excellent basal plane cementitiousness, especially moisture substrate
Knotting strength is 1.8MPa, dry basal plane adhesion strength 1.8-1.9MPa.Water-repellent paint of the present invention has excellent physical property, bright
The physical property of the aobvious GB/T19250-2013 I type polyurethane water-repellent paints better than the prior art.
Specific embodiment
Embodiment 1
A kind of inorganic silicon modified polyurethane water-repellent paint, including component A, component B；
The component A, component B weight proportion be 3:1；
The component A, in parts by weight, including：30 parts of binary polyether polyol, diisocyanate 20, latent curing agent 5
Part, 20 parts of powder；
The B component, in parts by weight, including：Na2O·nSiO245 parts of solution, 1 part of catalyst, 0.3 part of emulsifier, polyethers
10 parts of amine；
The model blue star big DL-2000D in east of the binary polyether polyol；
The model TDI-80 of the diisocyanate；
The model ALT101 of the latent curing agent is purchased from Anxiang Ai Li specialization You Gongxian companies；
The powder is 1250 mesh kaolin；
The Na2O·nSiO2Solution：Modulus is 3.5, solid content 50%, is purchased from Shanghai spark chemical plant；
The catalyst is catalyst CUCAT-WN, is purchased from Guangzhou You Run synthetic materials Co., Ltd；
The emulsifier is nonylphenol polyoxyethylene ether；
The polyetheramine is that Hensel is graceful（HUNTSMAN）Ternary polyetheramine T-403；
The preparation method of the component A is：Binary polyether polyol, powder are mixed, 120 DEG C of stirring 2h, while with-
Then 0.09MPa vacuum dehydrations are cooled to 80 DEG C of addition diisocyanate and are stirred to react 2h, latent curing agent stirring is then added
30min, discharging；Mixing speed is 800r/min.
The preparation method of the B component is：Na is added under room temperature2O·nSiO2Solution, opens stirring, and mixing speed is
1000r/min sequentially adds emulsifier, polyetheramine, catalyst, stops stirring, discharging after 1h.
Embodiment 2
A kind of inorganic silicon modified polyurethane water-repellent paint, including component A, B component, weight proportion 3:1；
The component A, in parts by weight, including：40 parts of binary polyether polyol, 30 parts of diisocyanate, latent curing agent 8
Part, 30 parts of powder；
The B component, in parts by weight, including： Na2O·nSiO250 parts of solution, 1 part of catalyst, 0.8 part of emulsifier, polyethers
15 parts of amine；
The model blue star big DL-2000D in east of the binary polyether polyol；
The model TDI-80 of the diisocyanate；
The model ALT101 of the latent curing agent is purchased from Anxiang Ai Li specialization You Gongxian companies；
The powder is 1250 mesh kaolin；
The Na2O·nSiO2Solution：Modulus is 3.5, solid content 50%, is purchased from Shanghai spark chemical plant；
The catalyst is catalyst CUCAT-WN, is purchased from Guangzhou You Run synthetic materials Co., Ltd；
The emulsifier is nonylphenol polyoxyethylene ether；
The polyetheramine is that Hensel is graceful（HUNTSMAN）Ternary polyetheramine T-403；
The preparation method of the component A is：Binary polyether polyol, filler are mixed, 120 DEG C of stirring 2h, while with-
Then 0.09MPa vacuum dehydrations are cooled to 80 DEG C of addition diisocyanate and are stirred to react 2h, latent curing agent stirring is then added
30min, discharging, mixing speed is 800r/min；
The preparation method of the B component is：Na is added under room temperature2O·nSiO2Solution opens stirring, mixing speed 1000r/
Min sequentially adds emulsifier, polyetheramine, catalyst, stops stirring discharging after 1h；
Then A, B component are stirred evenly and can be applied according to the ratio in construction by the inorganic silicon modified polyurethane water-repellent paint
Brush, and be finished in 20min.
After testing, the technical indicator of the water-repellent paint of embodiment 1-2 is as shown in table 1；
Table 1
As seen from the above table, polyurethane water-proof paint of the present invention：Tensile strength is 8.1-9.7Mpa, elongation at break 502-540%,
Tearing strength is 41-47N/mm, and moisture substrate adhesion strength is 1.8MPa, dry basal plane adhesion strength 1.8-1.9MPa, resistance to combustion
Performance is B1-C grades, and wearability is 0.4-0.5mmg (750g, 500r, weightless), water absorption rate 0.4-0.5%.
Polyurethane water-proof paint of the present invention realizes polyurethane water-proof paint under the conditions of without using price high chain extender
High-performance, substantially reduce material cost；Product without adding fire retardant preparation has significant flame retardant property；Water absorption rate is non-
It is often low, therefore there is superior water resistant property；And there is excellent basal plane cementitiousness, especially moisture substrate also has
Higher cementitiousness；Water-repellent paint of the present invention has excellent physical property, hence it is evident that is better than the GB/T19250- of the prior art
The physical property of 2013 I type polyurethane water-repellent paints.
In addition to specified otherwise, percentage of the present invention is mass percent, and the ratio is mass ratio.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
It, for those skilled in the art, still can be with although describing the invention in detail with reference to the foregoing embodiments
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of inorganic silicon modified polyurethane water-repellent paint, it is characterised in that：The raw material of the water-repellent paint includes component A, B groups
Point, weight proportion 3:1.
2. a kind of inorganic silicon modified polyurethane water-repellent paint according to claim 1, it is characterised in that：The component A, with
Parts by weight meter, including：30 ~ 40 parts of binary polyether polyol, 20 ~ 30 parts of diisocyanate, 5 ~ 8 parts of latent curing agent, powder
20 ~ 30 parts.
3. a kind of inorganic silicon modified polyurethane water-repellent paint according to claim 1, it is characterised in that：The B component, with
Parts by weight meter, including：Na2O·nSiO245 ~ 50 parts of solution, 0.5 ~ 1 part of catalyst, 0.3 ~ 0.8 part of emulsifier, polyetheramine 10 ~ 15
Part.
4. a kind of inorganic silicon modified polyurethane water-repellent paint according to claim 2, it is characterised in that：
The binary polyether polyol is DL-2000D；
The diisocyanate is one or more in TDI-80, MDI-50, IPDI；
The latent curing agent is imines latent curing agent or oxazole alkanes latent curing agent；
The powder is one or more in kaolin, coarse whiting, talcum powder.
5. a kind of inorganic silicon modified polyurethane water-repellent paint according to claim 3, it is characterised in that：
The Na2OnSiO2Solution：Modulus is 3.5, solid content 50%；
The catalyst is catalyst CUCAT-WN；
The emulsifier is nonylphenol polyoxyethylene ether；
The polyetheramine is ternary polyetheramine T-403.
6. a kind of preparation method of inorganic silicon modified polyurethane water-repellent paint according to claim 1, it is characterised in that：Packet
Include the preparation of component A and the preparation of B component；
The preparation of the component A：Binary polyether polyol, filler are mixed, 2h ± 10min is stirred under the conditions of 118~122 DEG C,
Vacuum dehydration, cooling are added diisocyanate and are stirred to react 2h ± 10min, latent curing agent is then added and stirs 30min ± 5min
Discharging.
7. a kind of preparation method of inorganic silicon modified polyurethane water-repellent paint according to claim 6, it is characterised in that：Institute
In the preparation for stating component A：The mixing speed is 780-820r/min, the vacuum dehydration：Pressure be -0.08~-
0.09MPa, the cooling：Temperature is down to 75~85 DEG C.
8. a kind of preparation method of inorganic silicon modified polyurethane water-repellent paint according to claim 6, it is characterised in that：Institute
State the preparation of B component：Na2OnSiO is added under room temperature2Solution opens stirring, and mixing speed is 1000~1200r/min, so
Afterwards, emulsifier, polyetheramine, catalyst are sequentially added, stops stirring after 1h ± 10min.
9. a kind of inorganic silicon modified polyurethane water-repellent paint according to claim 1, it is characterised in that：The polyurethane
Water-repellent paint：Tensile strength is 8.1-9.7Mpa, and tearing strength 41-47N/mm, firing resistance is B1-C grades, and wearability is
0.4-0.5mmg (750g, 500r, weightless), water absorption rate 0.4-0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044912.7A CN108276894A (en) | 2018-01-17 | 2018-01-17 | A kind of inorganic silicon modified polyurethane water-repellent paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044912.7A CN108276894A (en) | 2018-01-17 | 2018-01-17 | A kind of inorganic silicon modified polyurethane water-repellent paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108276894A true CN108276894A (en) | 2018-07-13 |
Family
ID=62803997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810044912.7A Pending CN108276894A (en) | 2018-01-17 | 2018-01-17 | A kind of inorganic silicon modified polyurethane water-repellent paint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666128A (en) * | 2018-12-26 | 2019-04-23 | 李岩 | A kind of two-component aliphatic polyurethane polyureas heterozygote and its coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608094A (en) * | 2008-06-18 | 2009-12-23 | 中冶集团建筑研究总院 | A kind of bicomponent high-strength sprayed polyurethane waterproof paint |
| CN104910817A (en) * | 2014-03-12 | 2015-09-16 | 重庆利尔达科技开发有限公司 | Environment-friendly type composite resin and adhesive and paint based on resin |
| CN106675373A (en) * | 2016-12-26 | 2017-05-17 | 徐州卧牛山新型防水材料有限公司 | Non-cured polyurethane waterproof paint and preparation method thereof |
| CN107011784A (en) * | 2017-05-11 | 2017-08-04 | 张维秀 | A kind of nano modification double-composition polyurethane waterproof paint |
-
2018
- 2018-01-17 CN CN201810044912.7A patent/CN108276894A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608094A (en) * | 2008-06-18 | 2009-12-23 | 中冶集团建筑研究总院 | A kind of bicomponent high-strength sprayed polyurethane waterproof paint |
| CN104910817A (en) * | 2014-03-12 | 2015-09-16 | 重庆利尔达科技开发有限公司 | Environment-friendly type composite resin and adhesive and paint based on resin |
| CN106675373A (en) * | 2016-12-26 | 2017-05-17 | 徐州卧牛山新型防水材料有限公司 | Non-cured polyurethane waterproof paint and preparation method thereof |
| CN107011784A (en) * | 2017-05-11 | 2017-08-04 | 张维秀 | A kind of nano modification double-composition polyurethane waterproof paint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666128A (en) * | 2018-12-26 | 2019-04-23 | 李岩 | A kind of two-component aliphatic polyurethane polyureas heterozygote and its coating |
| CN109666128B (en) * | 2018-12-26 | 2021-05-18 | 李岩 | Double-component aliphatic polyurethane polyurea heterozygote and coating thereof |
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Application publication date: 20180713 |