CN105925157A - Two-component waterborne polyurethane floor paint and preparation method thereof - Google Patents
Two-component waterborne polyurethane floor paint and preparation method thereof Download PDFInfo
- Publication number
- CN105925157A CN105925157A CN201610350553.9A CN201610350553A CN105925157A CN 105925157 A CN105925157 A CN 105925157A CN 201610350553 A CN201610350553 A CN 201610350553A CN 105925157 A CN105925157 A CN 105925157A
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- Prior art keywords
- component
- floor paint
- waterborne polyurethane
- polyurethane floor
- mixed liquor
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- 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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/622—Polymers of esters of alpha-beta ethylenically unsaturated carboxylic acids
- C08G18/6225—Polymers of esters of acrylic or methacrylic acid
- C08G18/6229—Polymers of hydroxy groups containing esters of acrylic or methacrylic acid with aliphatic polyalcohols
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a two-component waterborne polyurethane floor paint and preparation method thereof. The floor paint is composed of a first component and a second component, wherein the first component comprises a hydroxyl acrylic emulsion of which the content of hydroxyl groups ranges from 1.2% to 1.5%, the second component comprises self-emulsifying poly diisocyanate, and the mass ratio of the first component to the second component is (6-10):1. According to the prepared two-component waterborne polyurethane floor paint, normal construction can be conducted under the low temperature condition, the hardness is high, and the freeze thawing stability is good.
Description
Technical field
The present invention relates to polyurethane coating field, in particular it relates to a kind of double-component waterborne polyurethane floor paint
And preparation method thereof.
Background technology
Along with growth in the living standard, domestic environment is required more and more higher by people, after paint application, substantial amounts of has because having
Machine solvent and the volatilization of free isocyanate, the injury to human body is the biggest.In water paint, machine solvent is the lowest, on-the-spot after construction
Substantially not having peculiar smell, to human body fanout free region, therefore, water paint obtains wideling popularize of country.Currently, water floor paint is bonding
Material is main has good film-forming property based on one-component water-soluble resin, and adhesive force is good, and gloss is high, and pliability is good, water-tolerant etc.
Advantage, is widely used in water floor paint.But, existing single-component water-based polyurethane is due to its hardness, wearability
Not enough Deng physical and chemical performance, the most uncomfortable incompatible do high-quality floor paint.And aqueous drying varniss difficulty, and at low ambient temperatures
(less than-5 DEG C) is difficult to normal construction, and lower temperature resistance is bad, and freeze-thaw stability is poor.
Therefore, need to develop can construct under a kind of low temperature, hardness is high, freeze-thaw stability is good aqueous double-component polyurethane floor
Paint.
Summary of the invention
It is contemplated that overcome the defect of prior art, it is provided that a kind of double-component waterborne polyurethane floor paint, described pair of group
Under part aqueous polyurethane floor paint cryogenic conditions can normal construction, hardness is high, freeze-thaw stability is good.
Another object of the present invention is to provide the preparation method of described double-component waterborne polyurethane floor paint.
The goal of the invention of the present invention is achieved by below scheme:
A kind of aqueous polyurethane floor paint, is made up of first, component B, wherein, containing hydroxyl acrylic emulsion in described first component,
The hydroxy radical content of described hydroxyl acrylic emulsion is 1.2～1.5%, and described component B contains the poly-diisocyanate of self-emulsifying type,
The mass ratio of described first and second components is 6～10:1.
The present invention selects the poly-diisocyanate of hydroxy acryl acid emulsion and self-emulsifying type to coordinate, by two components
Reactive group generation condensation reaction be cross-linked into the paint film with space network, thus improve the crosslink density of paint film,
Obtain the double-component waterborne polyurethane floor paint of excellent performance, be effectively improved the materializations such as the hardness of product, wearability and weatherability
Performance.In first component, the content of hydroxyl directly affects the reaction rate of two components and the crosslink density of paint film, and inventor is by real
Issue after examination and approval existing, when hydroxy radical content is 1.2～1.5%, prepared double-component waterborne polyurethane floor paint meet high rigidity and
During the requirement of good wearability, also have under good freeze-thaw stability, and the low temperature environment below-5 DEG C and can construct.
Preferably, in described Waterborne polyurethane floor paint, described first component includes the following component calculated by weight:
Hydroxyl acrylic emulsion 50～70 parts；
Defoamer 1～2 parts；
Dispersant 0.5～1 part；
Coalescents 3～5 parts；
Thickener 0.5～1 part；
Levelling agent 0.5～1 part；
Scratch resistance agent 0.5～1 part；
Deionized water 10～20 parts；
Described second component includes:
The poly-diisocyanate 80～90 of self-emulsifying type；
Deionized water 10～20.
Preferably, the solid content of described hydroxyl acrylic emulsion is 35～40%.
Preferably, the solid content 60～70% of the poly-diisocyanate of described self-emulsifying type.
Preferably, at least during described defoamer is mineral oil, organic silica modifying agent, silicone defoamer
Kind.
Preferably, at least one during described dispersant is polyacrylic acid sylvite or polyacrylic acid sodium salt.
Preferably, described coalescents is propane diols ethers.
Preferably, described thickener is polyurethane association nonionic thickener
Preferably, described levelling agent is polyether-modified polydimethylsiloxanes class levelling agent.
The preparation method of described Waterborne polyurethane floor paint, comprises the steps:
S1. levelling agent, dispersant, scratch resistance agent are added in hydroxy polyacrylate emulsion under conditions of stirring, be configured to the
One mixed liquor；
S2. defoamer is added in described first mixed liquor under conditions of stirring, be configured to the second mixed liquor；
S3. described coalescents and thickener are added in described second mixed liquor under conditions of stirring, be configured to the 3rd and mix
Close liquid；
S4. described deionized water is added in described 3rd mixed liquor under conditions of stirring, be configured to described first component；
When S5. using, it is 6～10:1 to mix in mass ratio with component B by first component.
Compared with prior art, there is advantages that the present invention select hydroxy acryl acid emulsion and from
The poly-diisocyanate of emulsifying coordinates, and is cross-linked into by the reactive group generation condensation reaction in two components and has stereoscopic graticule
The paint film of shape structure, thus improve the crosslink density of paint film, it is effectively improved the materializations such as the hardness of product, wearability and weatherability
Performance.Selecting the hydroxy acryl acid emulsion of specific hydroxy radical content, prepared double-component waterborne polyurethane floor paint is full
During the requirement of the foot wearability become reconciled of high rigidity, also have under good freeze-thaw stability, and the low temperature environment below-5 DEG C
Can construct.
Detailed description of the invention
Following example are raw materials used is common commercially available prod.
Embodiment 1
Levelling agent, 0.8g dispersant, 0.7g scratch resistance agent are added 62g hydroxy polyacrylate breast under conditions of stirring by S1.0.5
In liquid, it is configured to the first mixed liquor；
S2. 2g defoamer is added in described first mixed liquor under conditions of stirring, be configured to the second mixed liquor；
S3. 3g coalescents and 1g thickener are added in described second mixed liquor under conditions of stirring, be configured to the 3rd and mix
Close liquid；
S4. 20g deionized water is added in described 3rd mixed liquor under conditions of stirring, be configured to described first component；
S5. by the poly-diisocyanate of 8g self-emulsifying type and 1g water mixed preparing second component, the first and second components are mixed.
Embodiment 2
Levelling agent, 1g dispersant, 0.8g scratch resistance agent are added 60g hydroxy polyacrylate emulsion under conditions of stirring by S1.1g
In, it is configured to the first mixed liquor；
S2. 2g defoamer is added in described first mixed liquor under conditions of stirring, be configured to the second mixed liquor；
S3. 3g coalescents and 1g thickener are added in described second mixed liquor under conditions of stirring, be configured to the 3rd and mix
Close liquid；
S4. 20g deionized water is added in described 3rd mixed liquor under conditions of stirring, be configured to described first component；
S5. by the poly-diisocyanate of 9g self-emulsifying type and 2g water mixed preparing second component, the first and second components are mixed.
Embodiment 3
Levelling agent, 0.5g dispersant, 1g scratch resistance agent are added 50g hydroxy polyacrylate emulsion under conditions of stirring by S1.1g
In, it is configured to the first mixed liquor；
S2. 1.5g defoamer is added in described first mixed liquor under conditions of stirring, be configured to the second mixed liquor；
S3. 5g coalescents and 1g thickener are added in described second mixed liquor under conditions of stirring, be configured to the 3rd and mix
Close liquid；
S4. 20g deionized water is added in described 3rd mixed liquor under conditions of stirring, be configured to described first component；
S5. by the poly-diisocyanate of 8g self-emulsifying type and 2g water mixed preparing second component, the first and second components are mixed.
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention it is interpreted as, as long as using the skill that the form of equivalent or equivalent transformation is obtained
Art scheme, within all should being included in the protection domain of the claims in the present invention.
Claims (10)
1. an aqueous polyurethane floor paint, it is characterised in that be made up of first, component B, wherein, containing hydroxyl third in first component
Olefin(e) acid emulsion, the hydroxy radical content of described hydroxyl acrylic emulsion is 1.2～1.5%, and component B contains poly-two isocyanides of self-emulsifying type
Acid esters, the mass ratio of described first and second components is 6～10:1.
Waterborne polyurethane floor paint the most according to claim 1, it is characterised in that described first component include following by weight
The component calculated:
Hydroxyl acrylic emulsion 50～70 parts；
Defoamer 1～2 parts；
Dispersant 0.5～1 part；
Coalescents 3～5 parts；
Thickener 0.5～1 part；
Levelling agent 0.5～1 part；
Scratch resistance agent 0.5～1 part；
Deionized water 10～20 parts；
Described second component includes: the poly-diisocyanate 80～90 of self-emulsifying type；Deionized water 10～20.
Waterborne polyurethane floor paint the most according to claim 1, it is characterised in that the solid content of described hydroxyl acrylic emulsion
It is 35～40%.
Waterborne polyurethane floor paint the most according to claim 1, it is characterised in that the poly-diisocyanate of described self-emulsifying type
Solid content 60～70%.
Waterborne polyurethane floor paint the most according to claim 2, it is characterised in that described defoamer be mineral oil, organic two
Silica modified dose, at least one in silicone defoamer.
Waterborne polyurethane floor paint the most according to claim 2, it is characterised in that described dispersant be polyacrylic acid sylvite or
At least one in polyacrylic acid sodium salt.
Waterborne polyurethane floor paint the most according to claim 2, it is characterised in that described coalescents is propane diols ethers.
Waterborne polyurethane floor paint the most according to claim 2, it is characterised in that described thickener be polyurethane associate non-from
Subtype thickener.
Waterborne polyurethane floor paint the most according to claim 2, it is characterised in that described levelling agent is polyether-modified poly-diformazan
Base silica class levelling agent.
10. the preparation method of Waterborne polyurethane floor paint as described in claim 1 to 9 any one claim, its feature exists
In, comprise the steps:
S1. levelling agent, dispersant, scratch resistance agent are added in hydroxy polyacrylate emulsion under conditions of stirring, be configured to the
One mixed liquor；
S2. defoamer is added in described first mixed liquor under conditions of stirring, be configured to the second mixed liquor；
S3. described coalescents and thickener are added in described second mixed liquor under conditions of stirring, be configured to the 3rd and mix
Close liquid；
S4. described deionized water is added in described 3rd mixed liquor under conditions of stirring, be configured to described first component；
When S5. using, it is 6～10:1 to mix in mass ratio with component B by first component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350553.9A CN105925157A (en) | 2016-05-25 | 2016-05-25 | Two-component waterborne polyurethane floor paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610350553.9A CN105925157A (en) | 2016-05-25 | 2016-05-25 | Two-component waterborne polyurethane floor paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105925157A true CN105925157A (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610350553.9A Withdrawn CN105925157A (en) | 2016-05-25 | 2016-05-25 | Two-component waterborne polyurethane floor paint and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108047925A (en) * | 2017-12-13 | 2018-05-18 | 山东诺威体育产业有限公司 | Polyurethane gravity flow self-leveling floor material and preparation method thereof |
| CN108893047A (en) * | 2018-05-08 | 2018-11-27 | 安徽名士达新材料有限公司 | Aqueous two-in-one woodcare paint of one kind and preparation method thereof |
| CN109609010A (en) * | 2018-12-12 | 2019-04-12 | 厦门安必信新材料科技有限公司 | A kind of super abrasive aqueous polyurethane floor coatings and preparation method thereof |
| CN110229608A (en) * | 2019-06-25 | 2019-09-13 | 恒昌涂料（惠阳）有限公司 | A kind of high-performance high-environmental aqueous industrial coating and its preparation method and application |
| CN110819219A (en) * | 2019-12-05 | 2020-02-21 | 澳达树熊涂料(惠州)有限公司 | Long-service-life two-component water-based paint and preparation method thereof |
-
2016
- 2016-05-25 CN CN201610350553.9A patent/CN105925157A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108047925A (en) * | 2017-12-13 | 2018-05-18 | 山东诺威体育产业有限公司 | Polyurethane gravity flow self-leveling floor material and preparation method thereof |
| CN108893047A (en) * | 2018-05-08 | 2018-11-27 | 安徽名士达新材料有限公司 | Aqueous two-in-one woodcare paint of one kind and preparation method thereof |
| CN109609010A (en) * | 2018-12-12 | 2019-04-12 | 厦门安必信新材料科技有限公司 | A kind of super abrasive aqueous polyurethane floor coatings and preparation method thereof |
| CN110229608A (en) * | 2019-06-25 | 2019-09-13 | 恒昌涂料（惠阳）有限公司 | A kind of high-performance high-environmental aqueous industrial coating and its preparation method and application |
| CN110819219A (en) * | 2019-12-05 | 2020-02-21 | 澳达树熊涂料(惠州)有限公司 | Long-service-life two-component water-based paint and preparation method thereof |
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Legal Events
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| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160907 |