CN105385336A - Velvet anti-scratch waterborne polyurethane paint - Google Patents
Velvet anti-scratch waterborne polyurethane paint Download PDFInfo
- Publication number
- CN105385336A CN105385336A CN201511009603.9A CN201511009603A CN105385336A CN 105385336 A CN105385336 A CN 105385336A CN 201511009603 A CN201511009603 A CN 201511009603A CN 105385336 A CN105385336 A CN 105385336A
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- CN
- China
- Prior art keywords
- scratch
- velvet
- aqueous polyurethane
- polyurethane coating
- polyurethane
- 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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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
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to velvet anti-scratch waterborne polyurethane paint. The velvet anti-scratch waterborne polyurethane paint is prepared from, by weight, 20-40% of at least one type of polysiloxane-modified polyurethane dispersoid, 40-60% of at least one type of acrylate-modified polyurethane dispersoid, 0.5-5% of waterborne nanometer aluminium oxide dispersion liquid, 1-8% of polyurethane foaming elastic balls, 0.5-15% of thickening agent, 0.1-1% of defoaming agent and 1-5% of solidifying agent. A preparation method of the waterborne polyurethane paint includes the following steps of weighing the components according to the weight percents, adding polysiloxane-modified polyurethane dispersoid, acrylate-modified polyurethane dispersoid, waterborne nanometer aluminium oxide dispersion liquid, polyurethane foaming elastic balls and the defoaming agent in a stirring machine to be mixed, then adding the thickening agent and the solidifying agent, and conducting even mixing. Compared with the prior art, the waterborne polyurethane paint has excellent anti-scratch performance and a good touch sense and is mainly applied to thin film packaging materials.
Description
[technical field]
The present invention relates to film packing material technical field, specifically a kind of that there is velvet, anti-scratch aqueous polyurethane coating.
[background technology]
In recent years, aqueous polyurethane feel coating was widely used in packages printing field.Wherein, some can provide the coating of excellent resilient flexible sense of touch generally to have the defect of resistance to marring, weathering resistance, chemicals-resistant difference, cause gloss to weaken, cut is obvious, and elastic tactility that some coating with the resistance to marring of improvement has is not enough, thus have a strong impact on film quality and attractive in appearance.Therefore, scratch resistance there is good sense of touch become the important indicator weighing aqueous polyurethane coating performance.And with high scratch resistance and good sense of touch, then mean and material surface can be made to keep gloss and attractive in appearance in a long time, and make the materials'use life-span longer.
[summary of the invention]
Object of the present invention is exactly will solve above-mentioned deficiency and provide a kind of that have velvet, anti-scratch aqueous polyurethane coating, and this aqueous polyurethane coating has excellent scratch resistant performance and good sense of touch, is mainly used in film packing material.
Design a kind of that have velvet, anti-scratch aqueous polyurethane coating for achieving the above object, this aqueous polyurethane coating is by weight percentage, composed of the following components:
Organo-siloxane, by the silicone resin of hydroxyl or amido or monomer and di-isocyanate reaction, is guided in aqueous polyurethane, is utilized the crosslinking of organo-siloxane to improve Property of Waterborne Polyurethane by described polysiloxane-modified polyurethane dispersions.
Described acrylate modified polyurethane dispersions is obtained by two prepolymer method, and the number-average molecular weight of described acrylate modified polyurethane dispersions is 1000-2000.
Aluminum oxide in described water nano alumina fluid dispersion is alpha-phase aluminum oxide, and the particle diameter of described alpha-phase aluminum oxide is 5-30nm.
The particle diameter of described alpha-phase aluminum oxide is 20-40nm.
The particle diameter of described polyurethane foam elasticity pearl is 3-8 μm.
Described thickening material is association type polyurethane thickener.
Described defoamer is molecular level acetylenediol defoamer, and described defoamer has 2 hydrophilic groups and 2-3 hydrophobic group.
Described solidifying agent is aziridine hardener.
This has the preparation method of velvet, anti-scratch aqueous polyurethane coating, comprise the following steps: by above-mentioned weight percent, take each component, polysiloxane-modified polyurethane dispersions, acrylate modified polyurethane dispersions, water nano alumina fluid dispersion, polyurethane foam elasticity pearl and defoamer are joined stirrer for mixing, and then add thickening material and solidifying agent, stir at least 30 minutes with 400-600 rev/min, mix, namely obtain that there is velvet, anti-scratch aqueous polyurethane coating.
The present invention compared with the existing technology, by choosing polysiloxane-modified polyurethane dispersions, acrylate modified polyurethane dispersions, water nano alumina fluid dispersion, polyurethane foam elasticity pearl, defoamer, thickening material and solidifying agent are raw material, select suitable aqueous polyurethane dispersion and coatings additive(s), and the scientific matching passed through formulation for coating material and optimization, thus configure and a kind of both there is good sense of touch, weathering resistance, there is again excellent scratch resistance and anti-scratch aqueous polyurethane coating, this coating can be mainly used in film packing material, the film formed at substrate surface after paint solidification has scratch resistance and good sense of touch, be worthy of popularization.
[embodiment]
The invention provides a kind of that there is velvet, anti-scratch aqueous polyurethane coating, this aqueous polyurethane coating is by weight percentage, composed of the following components: acrylate modified polyurethane dispersions 40-60%, the water nano alumina fluid dispersion 0.5-5% of the polysiloxane-modified polyurethane dispersions 20-40% of at least one, at least one, polyurethane foam elasticity pearl 1-8%, thickening material 0.5-15%, defoamer 0.1-1%, solidifying agent 1-5%.The preparation method of this aqueous polyurethane coating, comprise the following steps: by above-mentioned weight percent, take each component, polysiloxane-modified polyurethane dispersions, acrylate modified polyurethane dispersions, water nano alumina fluid dispersion, polyurethane foam elasticity pearl and defoamer are joined stirrer for mixing, and then add thickening material and solidifying agent, stir at least 30 minutes with 400-600 rev/min, mix, namely obtain that there is velvet, anti-scratch aqueous polyurethane coating.
Wherein, organo-siloxane, by the silicone resin of hydroxyl or amido or monomer and di-isocyanate reaction, is guided in aqueous polyurethane, is utilized the crosslinking of organo-siloxane to improve Property of Waterborne Polyurethane by polysiloxane-modified polyurethane dispersions.Acrylate modified polyurethane dispersions is obtained by two prepolymer method, and have good weathering resistance, snappiness, its number-average molecular weight is 1000-2000.Aluminum oxide in water nano alumina fluid dispersion is alpha-phase aluminum oxide, and the particle diameter of alpha-phase aluminum oxide is 5-30nm.The particle diameter of alpha-phase aluminum oxide is 20-40nm.The particle diameter of polyurethane foam elasticity pearl is 3-8 μm.Thickening material is association type polyurethane thickener.Defoamer is molecular level acetylenediol defoamer, and defoamer has 2 hydrophilic groups and 2-3 hydrophobic group, has foam control agent and the defoamer of wettability concurrently.Solidifying agent is aziridine hardener, adds before use, with 400-600 rev/min, stirs more than 30 minutes.
Below in conjunction with specific embodiment, following further illustrating is done to the present invention:
Embodiment 1
This has velvet, anti-scratch aqueous polyurethane coating, by weight percentage, composed of the following components:
Embodiment 2
This has velvet, anti-scratch aqueous polyurethane coating, by weight percentage, composed of the following components:
Embodiment 3
This has velvet, anti-scratch aqueous polyurethane coating, by weight percentage, composed of the following components:
Embodiment 4
This has velvet, anti-scratch aqueous polyurethane coating, by weight percentage, composed of the following components:
The present invention, by the restriction of above-mentioned embodiment, change, the modification done, substitutes, combines, simplifies under other any does not deviate from spirit of the present invention and principle, all should be equivalent substitute mode, is included within protection scope of the present invention.
Claims (10)
1. that have velvet, an anti-scratch aqueous polyurethane coating, is characterized in that, by weight percentage, composed of the following components:
2. that there is velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, it is characterized in that: described polysiloxane-modified polyurethane dispersions is by the silicone resin of hydroxyl or amido or monomer and di-isocyanate reaction, organo-siloxane is guided in aqueous polyurethane, utilize the crosslinking of organo-siloxane to improve Property of Waterborne Polyurethane.
3. that there is velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, it is characterized in that: described acrylate modified polyurethane dispersions is obtained by two prepolymer method, and the number-average molecular weight of described acrylate modified polyurethane dispersions is 1000-2000.
4. that have velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, is characterized in that: the aluminum oxide in described water nano alumina fluid dispersion is alpha-phase aluminum oxide, and the particle diameter of described alpha-phase aluminum oxide is 5-30nm.
5. that have velvet as claimed in claim 4, anti-scratch aqueous polyurethane coating, is characterized in that: the particle diameter of described alpha-phase aluminum oxide is 20-40nm.
6. that have velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, is characterized in that: the particle diameter of described polyurethane foam elasticity pearl is 3-8 μm.
7. that have velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, is characterized in that: described thickening material is association type polyurethane thickener.
8. that have velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, is characterized in that: described defoamer is molecular level acetylenediol defoamer, and described defoamer has 2 hydrophilic groups and 2-3 hydrophobic group.
9. that have velvet as claimed in claim 1, anti-scratch aqueous polyurethane coating, is characterized in that: described solidifying agent is aziridine hardener.
10. one kind to have velvet as claimed in any one of claims 1-9 wherein, the preparation method of anti-scratch aqueous polyurethane coating, it is characterized in that, comprise the following steps: by above-mentioned weight percent, take each component, by polysiloxane-modified polyurethane dispersions, acrylate modified polyurethane dispersions, water nano alumina fluid dispersion, polyurethane foam elasticity pearl and defoamer join stirrer for mixing, and then add thickening material and solidifying agent, stir at least 30 minutes with 400-600 rev/min, mix, namely obtain having velvet, anti-scratch aqueous polyurethane coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009603.9A CN105385336A (en) | 2015-12-29 | 2015-12-29 | Velvet anti-scratch waterborne polyurethane paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009603.9A CN105385336A (en) | 2015-12-29 | 2015-12-29 | Velvet anti-scratch waterborne polyurethane paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105385336A true CN105385336A (en) | 2016-03-09 |
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| CN201511009603.9A Pending CN105385336A (en) | 2015-12-29 | 2015-12-29 | Velvet anti-scratch waterborne polyurethane paint |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033770A (en) * | 2017-04-27 | 2017-08-11 | 北川泰和新材料有限公司 | Modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind and preparation method thereof |
| CN108330732A (en) * | 2018-01-31 | 2018-07-27 | 上海宏盾防伪材料有限公司 | One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant |
| CN108978236A (en) * | 2018-06-25 | 2018-12-11 | 广东玉兰集团股份有限公司 | A kind of anti-scratch foaming wall paper |
| WO2019116181A1 (en) * | 2017-12-12 | 2019-06-20 | 3M Innovative Properties Company | Compositions including alpha-alumina particles and methods of their use |
| CN110564131A (en) * | 2018-06-06 | 2019-12-13 | 湖北文理学院 | improved polyurethane foam and preparation method thereof |
| WO2020208545A1 (en) * | 2019-04-11 | 2020-10-15 | 3M Innovative Properties Company | Curable composition, cured composition, and abrasion-resistant article |
| WO2020208547A1 (en) * | 2019-04-11 | 2020-10-15 | 3M Innovative Properties Company | Curable compositions, abrasion-resistant articles, and method of thermoforming the same |
| CN114213954A (en) * | 2021-12-31 | 2022-03-22 | 肇庆千江水漆有限公司 | Water-based skin-feel paint and preparation method and use method thereof |
| CN115595824A (en) * | 2022-10-10 | 2023-01-13 | 河南千卡绘纸制品有限公司（Cn） | Packaging paper surface layer touch material and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107033770A (en) * | 2017-04-27 | 2017-08-11 | 北川泰和新材料有限公司 | Modified low VOC large arch dams aqueous polyurethane wood lacquer of one kind and preparation method thereof |
| WO2019116181A1 (en) * | 2017-12-12 | 2019-06-20 | 3M Innovative Properties Company | Compositions including alpha-alumina particles and methods of their use |
| US11447657B2 (en) | 2017-12-12 | 2022-09-20 | 3M Innovative Properties Company | Compositions including alpha-alumina particles and methods of their use |
| CN108330732A (en) * | 2018-01-31 | 2018-07-27 | 上海宏盾防伪材料有限公司 | One kind having the function of the mute adjustable aqueous polyurethane coating of degree of scratch resistant |
| CN110564131A (en) * | 2018-06-06 | 2019-12-13 | 湖北文理学院 | improved polyurethane foam and preparation method thereof |
| CN108978236A (en) * | 2018-06-25 | 2018-12-11 | 广东玉兰集团股份有限公司 | A kind of anti-scratch foaming wall paper |
| CN108978236B (en) * | 2018-06-25 | 2021-04-30 | 广东玉兰集团股份有限公司 | Anti-scraping foaming wall cloth |
| WO2020208545A1 (en) * | 2019-04-11 | 2020-10-15 | 3M Innovative Properties Company | Curable composition, cured composition, and abrasion-resistant article |
| WO2020208547A1 (en) * | 2019-04-11 | 2020-10-15 | 3M Innovative Properties Company | Curable compositions, abrasion-resistant articles, and method of thermoforming the same |
| US20220169884A1 (en) * | 2019-04-11 | 2022-06-02 | 3M Innovative Properties Company | Curable composition, cured composition, and abrasion-resistant article |
| CN114213954A (en) * | 2021-12-31 | 2022-03-22 | 肇庆千江水漆有限公司 | Water-based skin-feel paint and preparation method and use method thereof |
| CN115595824A (en) * | 2022-10-10 | 2023-01-13 | 河南千卡绘纸制品有限公司（Cn） | Packaging paper surface layer touch material and preparation method thereof |
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Application publication date: 20160309 |
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