CN108997914A - A kind of PU matt varnish and preparation method thereof - Google Patents
A kind of PU matt varnish and preparation method thereof Download PDFInfo
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- CN108997914A CN108997914A CN201810902184.9A CN201810902184A CN108997914A CN 108997914 A CN108997914 A CN 108997914A CN 201810902184 A CN201810902184 A CN 201810902184A CN 108997914 A CN108997914 A CN 108997914A
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- parts
- butyl ester
- ordor removing
- matt varnish
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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
-
- 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
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of PU matt varnish, it is characterized in that, according to the mass fraction, including the following raw material: 15-25 parts of ordor removing alkyd resin, 40-60 parts of ordor removing resin, 0.1-0.6 parts of dispersing agent, 0.1-0.5 parts of defoaming agent, wax 1-5 parts dust-proof, 2-10 parts of cyclohexanone, 2-5 parts of flatting silica, 0.5-3 parts of levelling agent, 0.1-0.5 parts of feel wax liquor, 0.5-2 parts of drier, butyl ester 5-10 parts secondary, butyl ester 10-20 parts mixed.Hardness of paint film is up to 2H or more, has superpower wear-resistant, has good adhesive force to priming paint, and plate face texture is good, and rear smell is low for 24 hours for dry film, can be widely used for the transparent effects wood furniture finishing coat coating such as office furniture, hotel, craftwork, cabinet, stair.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of PU matt varnish and preparation method thereof.
Background technique
PU paint is the general designation of all polyurethane coatings, its thin film-forming method is nature film forming, without special process.Paint film pair
A variety of object planes such as metal, timber, rubber, concrete, certain plastics are regardd as equal excellent adhesive force.With other paint kind of site operation phases
Than under same rigidity, due to the effect of hydrogen bond, the elongation at break highest of PU paint film, so being widely used in floor paint, deck
Paint, it is not very firmly that gloss claims, and can be very good the spinning reason and color of display floor that paint film is relatively thin.PU paint is at present generally by work
Industry and building use, so technology maturation, colour system is more, are easy to reach spraying requirement.But due to being harmful to the human body, so to spray painting
Room, combined padding and drying system it is more demanding, and need to be subject to physical protection measure simultaneously.
In consideration of it, how to produce the PU paint that film integrated application is had excellent performance, smell is low has become China's furniture industry
The project anxious to be resolved with coating industry.
Summary of the invention
In order to overcome the defect of the prior art and product, the object of the present invention is to provide a kind of PU matt varnish and its systems
Preparation Method.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of PU matt varnish, which is characterized in that according to the mass fraction, including the following raw material: ordor removing alkyd resin 15-
25 parts, 40-60 parts of ordor removing resin, 0.1-0.6 parts of dispersing agent, 0.1-0.5 parts of defoaming agent, wax 1-5 parts dust-proof, cyclohexanone 2-10
It is part, 2-5 parts of flatting silica, 0.5-3 parts of levelling agent, 0.1-0.5 parts of feel wax liquor, 0.5-2 parts of drier, butyl ester 5-10 parts secondary, mixed
10-20 parts of butyl ester.
Preferably, according to the mass fraction, including the following raw material: 20 parts of ordor removing alkyd resin, 44 parts of ordor removing resin, dispersing agent
0.1 part, 0.2 part of defoaming agent, 1.5 parts of dust-proof wax, 3 parts of cyclohexanone, 3.4 parts of flatting silica, 1 part of levelling agent, 0.3 part of feel wax liquor,
1 part of drier, 6 parts of secondary butyl ester, mixed 11.5 parts of butyl ester.
Preferably, the dispersing agent is one of EFKA4010, BYK104, EFKA8605.
Preferably, the defoaming agent is one of BYK141, BYK8801, EFKA2720.
Preferably, the levelling agent is one of BYK333, DEG0450, HX3130, BYK358.
Preferably, the drier is one of cobalt iso-octoate, calcium iso-octoate, isooctoate of rare earth metal.
Preferably, the ordor removing resin, solid content 50-70%, fineness≤15 μm, viscosity 50000-10000Pa.s/
25℃。
Preferably, the ordor removing alkyd resin, hydroxyl value are 110 ± 10mgKOH/g, fineness≤15 μm, viscosity 20000-
30000Pa.s/25℃。
A kind of preparation method of PU matt varnish, which comprises the steps of:
(1) by ordor removing alkyd resin, ordor removing resin, dispersing agent, defoaming agent, dust-proof wax, cyclohexanone, mixed butyl ester and flatting silica
Turn lower mixing dispersion 3-10 minutes in 500-1000；
(2) mixed butyl ester is added under stiring, is dispersed to fineness≤25 μm in the case where 1000-1500 turns；
(3) levelling agent, feel wax liquor, drier, secondary butyl ester and mixed butyl ester are added under stiring, turns lower point in 600-1000
Dissipate 3-10 minutes to get.
Preferably, which is characterized in that step (1), (2), (3) middle mass ratio that mixed butyl ester is added are 10:6:7.
This law it is bright the utility model has the advantages that
(1) hardness of paint film is up to 2H or more, has superpower wear-resistant, has good adhesive force to priming paint.
(2) rear smell is low for 24 hours for dry film, can be widely used for the transparent effects such as office furniture, hotel, craftwork, cabinet, stair
Wood furniture finishing coat coating.
Specific embodiment
The present invention is described further combined with specific embodiments below:
The number of the raw material of following embodiment refers both to parts by weight, the ordor removing resin solid content used be 50-70%, fineness≤
15 μm, 50000-10000Pa.s/25 DEG C of viscosity；The ordor removing alkyd resin used, hydroxyl value be 110 ± 10mgKOH/g, fineness≤
15 μm, 20000-30000Pa.s/25 DEG C of viscosity.
Embodiment 1
The preparation of PU matt varnish
Raw material: 20 parts of ordor removing alkyd resin, 44 parts of ordor removing resin, 0.1 part of EFKA4010,0.2 part of BYK141, dust-proof wax
1.5 parts, it is 3 parts of cyclohexanone, 3.4 parts of flatting silica, 1 part of BYK333,0.3 part of feel wax liquor, 1 part of cobalt iso-octoate, 6 parts of secondary butyl ester, mixed
11.5 parts of butyl ester.
Preparation step:
(1) by ordor removing alkyd resin, ordor removing resin, dispersing agent, defoaming agent, dust-proof wax, cyclohexanone, mixed butyl ester and flatting silica
Mixing dispersion 6 minutes under 800 turns；
(2) mixed butyl ester is added under stiring, is dispersed to fineness≤25 μm under 1200 turns；
(3) levelling agent, feel wax liquor, drier, secondary butyl ester and mixed butyl ester are added under stiring, 8 points are dispersed under 800 turns
Clock to get.
Step (1), (2), (3) middle mass ratio that mixed butyl ester is added are 10:6:7.
Embodiment 2
The preparation of PU matt varnish
Raw material: 15 parts of ordor removing alkyd resin, 60 parts of ordor removing resin, 0.1 part of EFKA8605,0.1 part of EFKA2720, dust-proof
1 part of wax, 5 parts of flatting silica, 3 parts of HX3130,0.1 part of feel wax liquor, 0.5 part of calcium iso-octoate, 5 parts of secondary butyl ester, mixes 2 parts of cyclohexanone
20 parts of butyl ester.
Preparation step:
(1) by ordor removing alkyd resin, ordor removing resin, dispersing agent, defoaming agent, dust-proof wax, cyclohexanone, mixed butyl ester and flatting silica
Mixing dispersion 5 minutes under 600 turns；
(2) mixed butyl ester is added under stiring, is dispersed to fineness≤25 μm under 1000 turns；
(3) levelling agent, feel wax liquor, drier, secondary butyl ester and mixed butyl ester are added under stiring, disperses 5 under 1000 turns
Minute to get.
Step (1), (2), (3) middle mass ratio that mixed butyl ester is added are 10:6:7.
Embodiment 3
The preparation of PU matt varnish
Raw material: 25 parts of ordor removing alkyd resin, 40 parts of ordor removing resin, 0.6 part of BYK104,0.5 part of BYK8801, dust-proof wax 5
Part, is mixed 10 parts of cyclohexanone, 2 parts of flatting silica, 0.5 part of DEG0450,0.5 part of feel wax liquor, 2 parts of cobalt iso-octoate, 10 parts of secondary butyl ester
10 parts of butyl ester.
Preparation step:
(1) by ordor removing alkyd resin, ordor removing resin, dispersing agent, defoaming agent, dust-proof wax, cyclohexanone, mixed butyl ester and flatting silica
Mixing dispersion 10 minutes under 1000 turns；
(2) mixed butyl ester is added under stiring, is dispersed to fineness≤25 μm under 1200 turns；
(3) levelling agent, feel wax liquor, drier, secondary butyl ester and mixed butyl ester are added under stiring, 3 points are dispersed under 600 turns
Clock to get.
Step (1), (2), (3) middle mass ratio that mixed butyl ester is added are 10:6:7.
Embodiment 4
The preparation of PU matt varnish
Raw material: 20 parts of ordor removing alkyd resin, 50 parts of ordor removing resin, 0.3 part of BYK104,0.3 part of EFKA2720, dust-proof wax
2 parts, 6 parts of cyclohexanone, 4 parts of flatting silica, 1.5 parts of BYK358,0.2 part of feel wax liquor, 1.2 parts of isooctoate of rare earth metal, 6 parts of secondary butyl ester,
Mixed 15 parts of butyl ester.
Preparation step:
(1) by ordor removing alkyd resin, ordor removing resin, dispersing agent, defoaming agent, dust-proof wax, cyclohexanone, mixed butyl ester and flatting silica
Mixing dispersion 3 minutes under 500 turns；
(2) mixed butyl ester is added under stiring, is dispersed to fineness≤25 μm under 1500 turns；
(3) levelling agent, feel wax liquor, drier, secondary butyl ester and mixed butyl ester are added under stiring, disperses 10 under 800 turns
Minute to get.
Step (1), (2), (3) middle mass ratio that mixed butyl ester is added are 10:6:7.
Performance test
The embodiment 1-4 product prepared is tested for the property, as a result as follows:
Detailed construction technique are as follows: color-finishing coat polish-is repaired in openpore polishing-brush closing-polishing-PE transparent priming-.
Construction temperature is 34 DEG C, humidity 71%.Curing agent is DPR77L, diluent DPX8800, mixing ratio 1:0.5:0.5.
Comparative example is the DP77005L finishing coat of our company's production.
| Test index | Embodiment 1 | Embodiment 2# | Embodiment 3# | Embodiment 4# | Comparative example |
| Gloss (%) | 62 | 60 | 61 | 61 | 61 |
| Feel | Preferably | Preferably | Preferably | Preferably | Well |
| Levelability | It is good | It is good | It is good | It is good | It is good |
| Richness | Preferably | Preferably | Preferably | Preferably | Well |
| Smell | It is very low | It is very low | It is very low | It is very low | It is low |
| Surface effect | It is good | It is good | It is good | It is good | Preferably |
| Rotary viscosity (mpa.s) | 1600 | 1600 | 1600 | 1600 | 1600 |
| Surface drying (min) | 39 | 40 | 40 | 40 | 40 |
| It does solid work (h) | 8 | 8 | 8 | 8 | 8 |
| Gu containing (%) | 53 | 51 | 53 | 53 | 53 |
| Fineness (μm) | 20 | 22 | 23 | 23 | 23 |
| Clarity | 8 | 8.1 | 8.3 | 8.1 | 7.5 |
As seen from the above table, present invention PU matt varnish produced is yellowish thick liquid, has good levelling
Property and adhesive force, plate face texture it is good, richness is good, and clarity is high, and plate face wood grain three-dimensional sense is strong, dry film for 24 hours after smell it is low, meet
State quality standard can be widely used for the painting of the transparent effects wood furniture finishing coat such as office furniture, hotel, craftwork, cabinet, stair
Dress.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Belong to those skilled in the art in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, all answers
It is included within the scope of the present invention.
Claims (10)
1. a kind of PU matt varnish, which is characterized in that according to the mass fraction, including the following raw material: ordor removing alkyd resin 15-25
Part, 40-60 parts of ordor removing resin, 0.1-0.6 parts of dispersing agent, 0.1-0.5 parts of defoaming agent, wax 1-5 parts dust-proof, 2-10 parts of cyclohexanone,
2-5 parts of flatting silica, 0.5-3 parts of levelling agent, 0.1-0.5 parts of feel wax liquor, 0.5-2 parts of drier, butyl ester 5-10 parts secondary, mixed butyl ester
10-20 parts.
2. a kind of PU matt varnish according to claim 1, which is characterized in that according to the mass fraction, including it is following former
Material: 20 parts of ordor removing alkyd resin, 44 parts of ordor removing resin, 0.1 part of dispersing agent, 0.2 part of defoaming agent, 1.5 parts of dust-proof wax, cyclohexanone 3
Part, 3.4 parts of flatting silica, 1 part of levelling agent, 0.3 part of feel wax liquor, 1 part of drier, 6 parts of secondary butyl ester, mixed 11.5 parts of butyl ester.
3. a kind of PU matt varnish according to claim 1 or 2, which is characterized in that the dispersing agent is
One of EFKA4010, BYK104, EFKA 8605.
4. a kind of PU matt varnish according to claim 1 or 2, which is characterized in that the defoaming agent be BYK141,
One of BYK8801, EFKA2720.
5. a kind of PU matt varnish according to claim 1 or 2, which is characterized in that the levelling agent be BYK333,
One of DEG0450, HX3130, BYK358.
6. a kind of PU matt varnish according to claim 1 or 2, which is characterized in that the drier is isooctyl acid
One of cobalt, calcium iso-octoate, isooctoate of rare earth metal.
7. a kind of PU matt varnish according to claim 1 or 2, which is characterized in that the ordor removing resin, solid content
For 50-70%, fineness≤15 μm, 50000-10000Pa.s/25 DEG C of viscosity.
8. a kind of PU matt varnish according to claim 1 or 2, which is characterized in that the ordor removing alkyd resin, hydroxyl
Value is 110 ± 10mgKOH/g, fineness≤15 μm, 20000-30000Pa.s/25 DEG C of viscosity.
9. a kind of preparation method of PU matt varnish, which comprises the steps of:
(1) ordor removing alkyd resin, ordor removing resin, dispersing agent, defoaming agent, dust-proof wax, cyclohexanone, mixed butyl ester and flatting silica are existed
500-1000 turns lower mixing dispersion 3-10 minutes；
(2) mixed butyl ester is added under stiring, is dispersed to fineness≤25 μm in the case where 1000-1500 turns；
(3) levelling agent, feel wax liquor, drier, secondary butyl ester and mixed butyl ester are added under stiring, turns lower in 600-1000 and disperses 3-
10 minutes to get.
10. a kind of preparation method of PU matt varnish according to claim 9, which is characterized in that step (1), (2),
(3) mass ratio that mixed butyl ester is added in is 10:6:7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902184.9A CN108997914A (en) | 2018-08-09 | 2018-08-09 | A kind of PU matt varnish and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902184.9A CN108997914A (en) | 2018-08-09 | 2018-08-09 | A kind of PU matt varnish and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108997914A true CN108997914A (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810902184.9A Pending CN108997914A (en) | 2018-08-09 | 2018-08-09 | A kind of PU matt varnish and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293129A (en) * | 2014-09-19 | 2015-01-21 | 英德市雅家涂料有限公司 | Tasteless high-transparency full-matt top-coat paint and preparation method thereof |
| CN104497844A (en) * | 2014-12-26 | 2015-04-08 | 成都展辰化工有限公司 | Deodorizing high-hardness scratch-resistant matte clear paint for woodware |
| CN106349920A (en) * | 2016-08-29 | 2017-01-25 | 山东巴德士化工有限公司 | Environment-friendly curtaining odor-removing PU matted varnish and preparation method thereof |
-
2018
- 2018-08-09 CN CN201810902184.9A patent/CN108997914A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293129A (en) * | 2014-09-19 | 2015-01-21 | 英德市雅家涂料有限公司 | Tasteless high-transparency full-matt top-coat paint and preparation method thereof |
| CN104497844A (en) * | 2014-12-26 | 2015-04-08 | 成都展辰化工有限公司 | Deodorizing high-hardness scratch-resistant matte clear paint for woodware |
| CN106349920A (en) * | 2016-08-29 | 2017-01-25 | 山东巴德士化工有限公司 | Environment-friendly curtaining odor-removing PU matted varnish and preparation method thereof |
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Application publication date: 20181214 |