CN110066591A - A kind of aqueous skin sense woodwork coating and preparation method thereof - Google Patents
A kind of aqueous skin sense woodwork coating and preparation method thereof Download PDFInfo
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- CN110066591A CN110066591A CN201910423295.6A CN201910423295A CN110066591A CN 110066591 A CN110066591 A CN 110066591A CN 201910423295 A CN201910423295 A CN 201910423295A CN 110066591 A CN110066591 A CN 110066591A
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- 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
- 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
Abstract
The present invention discloses a kind of aqueous skin sense woodwork coating and preparation method thereof, and aqueous skin sense woodwork coating is made of the aliphatic polyurethane dispersion of water borne soft-feel dumb light, aqueous solvent-free aliphatic poly ester dispersion, cosolvent, water, defoaming agent, levelling agent, wetting agent, hydrophobing agent, thickener；The sense of touch as excellent skin is capable of providing by the aliphatic polyurethane dispersion of usability soft feeling dumb light, good adhesive force is capable of providing using aqueous solvent-free aliphatic poly ester dispersion and improves resistance, so that the coating touch that the present invention is prepared is soft, skin-friendly is good, simultaneously by using water as solvent, it effectively reduces and uses organic solvent, and realize low VOCs discharge, and, it is able to drive in the thinner wooden conduit of capillary of entrance of entire paint solution system in inventive formulation system added with organic silicon modified by polyether wetting agent and levelling agent, allow entire wood furniture that skin sense of touch furniture is presented.
Description
Technical field
The present invention relates to paint field technology, a kind of aqueous skin sense woodwork coating and preparation method thereof is referred in particular to.
Background technique
With the rapid development of Chinese society economy, requirement of the consumer to quality of life is higher and higher, fits up in woodenware
Above with furniture purchase, the demand to high-grade solid wood furniture is greatly promoted than plate fitment or Wood-based Panel Furniture Desire demand.
Aqueous woodware paint is to replace the organic solvent in traditional oily paint as the high molecular material of decentralized medium, tool using water
There is nontoxic and pollution-free, low smell, non-ignitable not quick-fried.But aqueous woodware paint in the market has a single function, mainly by aqueous
Polymer improves the feel of film and the smoothness of paint film, does not have skin soft feeling.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of aqueous skin sense wood
Device coating and preparation method thereof can effectively solve existing aqueous woodware paint and not have the problem of skin soft feeling.
To achieve the above object, the present invention is using following technical solution:
A kind of aqueous skin sense woodwork coating, by the aliphatic polyurethane dispersion of water borne soft-feel dumb light, aqueous solvent-free fat
Adoption ester dispersion, cosolvent, water, defoaming agent, levelling agent, wetting agent, hydrophobing agent, thickener composition, the quality hundred of each component
Point content is respectively as follows:
The aliphatic polyurethane dispersion 75-80% of water borne soft-feel dumb light；
Aqueous solvent-free aliphatic poly ester dispersion 5-10%；
Cosolvent 1-1.5%；
Water 5-10%；
Defoaming agent 0.3-0.8%；
Wetting agent 0.2-1%；
Levelling agent 0.2-1%；
Hydrophobing agent 0.2-1%；
Thickener 0.3-1%.
As a preferred embodiment, the aliphatic polyurethane dispersion of the water borne soft-feel dumb light is Alberdingk®
PUR-MATT 300 VP or Alberdingk® PUR-MATT 340 VP。
As a preferred embodiment, the aqueous solvent-free aliphatic poly ester dispersion is Alberdingk® U7400
VP or Alberdingk® U7500 VP。
As a preferred embodiment, the cosolvent is dipropylene glycol methyl ether, dipropylene, propandiol butyl ether, three
The combination of one or more of propandiol butyl ether.
As a preferred embodiment, the water is pure water or deionized water.
As a preferred embodiment, the defoaming agent be dimethyl silicone polymer, select model in BYK024, BYK028,
One or more of TEGO822 and TEGO902W combination.
As a preferred embodiment, the wetting agent be polyether modified siloxane or multifunctional modification siloxanes, selection
Model TEGO270, BYK346 or TEGO4100.
As a preferred embodiment, the levelling agent be polyether siloxane copolymer, the model TEGO410 of selection or
BYK333。
As a preferred embodiment, the hydrophobing agent is modified poly(silicon aether), and the model PHOBE or H-1022 of selection increase
Thick dose is association type polyurethane thickener, model PUR40.
A kind of preparation method of aqueous skin sense woodwork coating, comprising the following steps:
(1) prepare raw material, the aliphatic polyurethane dispersion of the water borne soft-feel dumb light including 75-80%, 5-10% are aqueous without molten
The aliphatic poly ester dispersion of agent, the coalescing agent of 1-1.5%, the water of 5-10%, the defoaming agent of 0.3-0.8%, 0.2-1% levelling
Agent, the wetting agent of 0.2-1%, 0.2-1% hydrophobing agent, the thickener of 0.3-1%；
(2) under normal temperature conditions, according to the fat of mass percent investment water borne soft-feel dumb light in conventional high speed disperser
Race's dispersions of polyurethanes, aqueous solvent-free aliphatic poly ester dispersion, middling speed put into the mixed liquor of coalescing agent and water, defoaming
After agent, wetting agent, levelling agent, hydrophobing agent, thickener, stir 20-30 minutes；
(3) detection fineness is less than or equal to 30 microns；
(4) detection pH is in 7.5-9；
(5) no other bad paint film effects of shrinkage cavity are sprayed, detect skin sense effect after doing solid work；
(6) finished product is taken out after detection is qualified.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal
Known to:
By cooperating aliphatic polyurethane dispersion and aqueous solvent-free aliphatic polyester dispersion using water borne soft-feel dumb light
Body, the aliphatic polyurethane dispersion of property soft feeling dumb light are capable of providing the sense of touch as excellent skin, aqueous solvent-free fat
Adoption ester dispersion is capable of providing good adhesive force and improves resistance, so that the coating touch that the present invention is prepared is soft,
Skin-friendly is good, while effectively reducing as solvent using organic solvent by using water, and realizes low VOCs discharge, and, this
In invention formula system added with organic silicon modified by polyether wetting agent and levelling agent be able to drive entire paint solution system entrance it is thinner
The wooden conduit of capillary in, allow entire wood furniture that skin sense of touch furniture is presented.
Specific embodiment
Present invention discloses a kind of aqueous skin sense woodwork coating, by the aliphatic polyurethane dispersion of water borne soft-feel dumb light,
Aqueous solvent-free aliphatic poly ester dispersion, cosolvent, water, defoaming agent, levelling agent, wetting agent, hydrophobing agent, thickener group
At the mass percentage of each component is respectively as follows:
The aliphatic polyurethane dispersion 75-80% of water borne soft-feel dumb light；
Aqueous solvent-free aliphatic poly ester dispersion 5-10%；
Cosolvent 1-1.5%；
Water 5-10%；
Defoaming agent 0.3-0.8%；
Wetting agent 0.2-1%；
Levelling agent 0.2-1%；
Hydrophobing agent 0.2-1%；
Thickener 0.3-1%.
The aliphatic polyurethane dispersion of the water borne soft-feel dumb light is capable of providing the sense of touch as excellent skin, aqueous soft
The aliphatic polyurethane dispersion for feeling dumb light is Alberdingk®PUR-MATT 300 VP or Alberdingk® PUR-MATT
340 VP.The aqueous solvent-free aliphatic poly ester dispersion is capable of providing good adhesive force and improves resistance, aqueous nothing
The aliphatic poly ester dispersion of solvent is Alberdingk® U7400 VP or Alberdingk® U7500 VP。
The cosolvent is dipropylene glycol methyl ether, dipropylene, one of propandiol butyl ether, tripropylene glycol butyl ether
Or several combinations.The water is pure water or deionized water.The defoaming agent is dimethyl silicone polymer, is selected in model
One or more of BYK024, BYK028, TEGO822 and TEGO902W combination.The wetting agent is polyether modified siloxane
Or multifunctional modification siloxanes, model TEGO270, BYK346 or TEGO4100 of selection.The levelling agent is polyethers silicon oxygen
Alkyl copolymer, the model TEGO410 or BYK333 of selection.The hydrophobing agent is modified poly(silicon aether), the model PHOBE of selection
Or H-1022, thickener are association type polyurethane thickener, model PUR40.
A kind of preparation method of aqueous skin sense woodwork coating, comprising the following steps:
(1) prepare raw material, the aliphatic polyurethane dispersion of the water borne soft-feel dumb light including 75-80%, 5-10% are aqueous without molten
The aliphatic poly ester dispersion of agent, the coalescing agent of 1-1.5%, the water of 5-10%, the defoaming agent of 0.3-0.8%, 0.2-1% levelling
Agent, the wetting agent of 0.2-1%, 0.2-1% hydrophobing agent, the thickener of 0.3-1%.
(2) under normal temperature conditions, according to mass percent investment water borne soft-feel dumb light in conventional high speed disperser
The mixed liquor of aliphatic polyurethane dispersion, aqueous solvent-free aliphatic poly ester dispersion, middling speed investment coalescing agent and water,
After defoaming agent, wetting agent, levelling agent, hydrophobing agent, thickener, stir 20-30 minutes.
(3) detection fineness is less than or equal to 30 microns.
(4) detection pH is in 7.5-9.
(5) no other bad paint film effects of shrinkage cavity are sprayed, detect skin sense effect after doing solid work.
(6) finished product is taken out after detection is qualified.
With multiple embodiments, invention is further described in detail below:
Embodiment 1:
A kind of aqueous skin sense woodwork coating and preparation method thereof, composed of the following components:
Prepare raw material under the conditions of room temperature (note: room temperature is 25 DEG C), according to mass percent in conventional high speed disperser
Water borne soft-feel dumb light aliphatic polyurethane dispersion, aqueous solvent-free aliphatic poly ester dispersion are put into, middling speed investment film forming helps
It after the mixed liquor of agent and water, defoaming agent, wetting agent, levelling agent, hydrophobing agent, thickener, stirs 20-30 minutes, detection fineness is small
In or be equal to 30 microns, pH sprays the other bad paint film effects of no shrinkage cavity in 7.5-9, do solid work after detect skin sense effect, inspection
Finished product is taken out after surveying qualification.
The present embodiment 1 by compared with conventional woodwork coating product and by inspection obtain following table as a result, selected
Testing plate is beech:
Test item inside above table is detected substantially according to national standard GB/T 23999-2209 standard.VOC volatile quantity is pressed
According to being tested in GB18582-2001.
Thermocycling experiment result and such test experience method obtain: coating being matched according to the rules, with 110g/ ㎡
Above × 3 coating weight spraying beeches, drying at room temperature is put into cold-hot circulating machine after 48 hours and is tested, and cold cycling is set
Determine mode are as follows: 2 hours (this is the first step) of -20 DEG C of freezings；Temperature is promoted to (25 DEG C) of room temperature placements, and (this is second within 2 hours
Step)；Temperature is promoted to 50 DEG C of bakings, 2 hours (this is third step)；Completing this three step (totally 6 hours) is a circulation.Repeatedly into
Row 6 circulations check that paint film has no cracking or other abnormal phenomenon, and conclusion is alligatoring or other abnormal phenomenon.
Embodiment 2:
A kind of aqueous skin sense woodwork coating and preparation method thereof, composed of the following components:
Prepare raw material under the conditions of room temperature (note: room temperature is 25 DEG C), is put into conventional high speed disperser according to percentage
Water borne soft-feel dumb light aliphatic polyurethane dispersion, aqueous solvent-free aliphatic poly ester dispersion, middling speed put into coalescing agent and
After the mixed liquor of water, defoaming agent, wetting agent, levelling agent, hydrophobing agent, thickener, stir 20-30 minute, detect fineness be less than or
Equal to 30 microns, pH sprays the other bad paint film effects of no shrinkage cavity in 7.5-9, and skin sense effect is detected after doing solid work, and detection is closed
Finished product is taken out after lattice.
This specific embodiment 2 by inspection obtain following table as a result, selected experiment plate is beech:
Test item inside above table is detected substantially according to national standard GB/T 23999-2209 standard.VOC volatile quantity is pressed
According to being tested in GB18582-2001.
Embodiment 3:
A kind of aqueous skin sense woodwork coating and preparation method thereof, composed of the following components:
Prepare raw material under the conditions of room temperature (note: room temperature is 25 DEG C), is put into conventional high speed disperser according to percentage
Water borne soft-feel dumb light aliphatic polyurethane dispersion, aqueous solvent-free aliphatic poly ester dispersion, middling speed put into coalescing agent and
After the mixed liquor of water, defoaming agent, wetting agent, levelling agent, hydrophobing agent, thickener, stir 20-30 minute, detect fineness be less than or
Equal to 30 microns, pH sprays the other bad paint film effects of no shrinkage cavity in 7.5-9, and skin sense effect is detected after doing solid work, and detection is closed
Finished product is taken out after lattice.
This specific embodiment 3 by inspection obtain following table as a result, selected experiment plate is beech.
Embodiment 4:
A kind of aqueous skin sense woodwork coating and preparation method thereof, composed of the following components:
Prepare raw material under the conditions of room temperature (note: room temperature is 25 DEG C), is put into conventional high speed disperser according to percentage
Water borne soft-feel dumb light aliphatic polyurethane dispersion, aqueous solvent-free aliphatic poly ester dispersion, middling speed put into coalescing agent and
After the mixed liquor of water, defoaming agent, wetting agent, levelling agent, hydrophobing agent, thickener, stir 20-30 minute, detect fineness be less than or
Equal to 30 microns, pH sprays the other bad paint film effects of no shrinkage cavity in 7.5-9, and skin sense effect is detected after doing solid work, and detection is closed
Finished product is taken out after lattice.
This specific embodiment 4 by inspection obtain following table as a result, selected experiment plate is beech.
Design focal point of the invention is: the aliphatic polyurethane dispersion and water of water borne soft-feel dumb light are used by cooperating
The solvent-free aliphatic poly ester dispersion of property, the aliphatic polyurethane dispersion of property soft feeling dumb light are capable of providing as excellent skin
Sense of touch, aqueous solvent-free aliphatic poly ester dispersion be capable of providing good adhesive force and improve resistance so that of the invention
The coating touch being prepared is soft, and skin-friendly is good, while by using water as solvent, effectively reducing using organic solvent,
And realize low VOCs discharge, and, it being capable of band added with organic silicon modified by polyether wetting agent and levelling agent in inventive formulation system
It moves in the thinner wooden conduit of capillary of entrance of entire paint solution system, allows entire wood furniture that skin sense of touch furniture is presented.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore any subtle modifications, equivalent variations and modifications to the above embodiments according to the technical essence of the invention, still
Belong in the range of technical solution of the present invention.
Claims (10)
1. a kind of aqueous skin sense woodwork coating, it is characterised in that: by the aliphatic polyurethane dispersion of water borne soft-feel dumb light, aqueous
Solvent-free aliphatic poly ester dispersion, cosolvent, water, defoaming agent, levelling agent, wetting agent, hydrophobing agent, thickener composition, respectively
The mass percentage of component is respectively as follows:
The aliphatic polyurethane dispersion 75-80% of water borne soft-feel dumb light；
Aqueous solvent-free aliphatic poly ester dispersion 5-10%；
Cosolvent 1-1.5%；
Water 5-10%；
Defoaming agent 0.3-0.8%；
Wetting agent 0.2-1%；
Levelling agent 0.2-1%；
Hydrophobing agent 0.2-1%；
Thickener 0.3-1%.
2. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the rouge of the water borne soft-feel dumb light
Fat race dispersions of polyurethanes is Alberdingk®PUR-MATT 300 VP or Alberdingk® PUR-MATT 340 VP。
3. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the aqueous solvent-free fat
Adoption ester dispersion is Alberdingk® U7400 VP or Alberdingk® U7500 VP。
4. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the cosolvent is dipropylene glycol
Methyl ether, dipropylene, the combination of one or more of propandiol butyl ether, tripropylene glycol butyl ether.
5. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the water be pure water or go from
Sub- water.
6. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the defoaming agent is poly dimethyl
Siloxanes selects one or more of BYK024, BYK028, TEGO822 and TEGO902W combination in model.
7. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the wetting agent is polyether-modified
Siloxanes or multifunctional modification siloxanes, model TEGO270, BYK346 or TEGO4100 of selection.
8. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the levelling agent is polyethers silicon oxygen
Alkyl copolymer, the model TEGO410 or BYK333 of selection.
9. a kind of aqueous skin sense woodwork coating according to claim 1, it is characterised in that: the hydrophobing agent is modified poly- silicon
Ether, the model PHOBE or H-1022 of selection, thickener are association type polyurethane thickener, model PUR40.
10. a kind of such as a kind of described in any item preparation methods of aqueous skin sense woodwork coating of claim 1-9, feature exist
In: the following steps are included:
(1) prepare raw material, the aliphatic polyurethane dispersion of the water borne soft-feel dumb light including 75-80%, 5-10% are aqueous without molten
The aliphatic poly ester dispersion of agent, the coalescing agent of 1-1.5%, the water of 5-10%, the defoaming agent of 0.3-0.8%, 0.2-1% levelling
Agent, the wetting agent of 0.2-1%, 0.2-1% hydrophobing agent, the thickener of 0.3-1%；
(2) under normal temperature conditions, according to the fat of mass percent investment water borne soft-feel dumb light in conventional high speed disperser
Race's dispersions of polyurethanes, aqueous solvent-free aliphatic poly ester dispersion, middling speed put into the mixed liquor of coalescing agent and water, defoaming
After agent, wetting agent, levelling agent, hydrophobing agent, thickener, stir 20-30 minutes；
(3) detection fineness is less than or equal to 30 microns；
(4) detection pH is in 7.5-9；
(5) no other bad paint film effects of shrinkage cavity are sprayed, detect skin sense effect after doing solid work；
(6) finished product is taken out after detection is qualified.
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Cited By (4)
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| CN111004559A (en) * | 2019-12-23 | 2020-04-14 | 东莞市涂芭新材料有限公司 | Waterborne epoxy woodware primer coating coated on wood and preparation method thereof |
| CN111040601A (en) * | 2019-12-27 | 2020-04-21 | 上海君子兰新材料股份有限公司 | Aqueous skin-feel bi-component woodenware coating and application thereof |
| CN112143356A (en) * | 2020-09-10 | 2020-12-29 | 嘉宝莉化工集团股份有限公司 | Water-based skin-feel super-matte wood paint |
| CN112680041A (en) * | 2020-12-14 | 2021-04-20 | 成都展辰涂料有限公司 | Water-based skin-feel wood coating and preparation method thereof |
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