CN109593459A - A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof - Google Patents
A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof Download PDFInfo
- Publication number
- CN109593459A CN109593459A CN201811291638.XA CN201811291638A CN109593459A CN 109593459 A CN109593459 A CN 109593459A CN 201811291638 A CN201811291638 A CN 201811291638A CN 109593459 A CN109593459 A CN 109593459A
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- CN
- China
- Prior art keywords
- component
- agent
- polyurethane coating
- dumb light
- rattan articles
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- 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.)
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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
- C09D7/47—Levelling agents
-
- 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
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The present invention relates to polymeric material fields, disclose a kind of white dumb light rattan articles polyurethane coating of bi-component, including component A and component B, including component A and component B and diluent, it is characterized in that, the component A includes following mass percent component: the modified alkyd resin 40%-60% of coconut oil；Auxiliary agent 1.4-5.5%；Pigments and fillers 23-46%；Surplus is organic solvent；The component B includes following mass percent component: organic solvent 30%-50%；Dehydrating agent 0.1%-0.5%；HDI curing agent 15%-30%；TDI curing agent 20%-50%；The each component mass percent of component B is combined into 100%.The invention also discloses preparation methods and application.The white dumb light rattan articles of the bi-component has high-flexibility and high anti-yellowing property with polyurethane coating.
Description
Technical field
The present invention relates to polymeric material fields, and in particular to a kind of white dumb light rattan articles polyurethane coating of bi-component
And its preparation method and application.
Background technique
Raising with people to environmental protection consciousness, in recent years, the rattan articles man for using recyclable materials to produce as main body
Tool, indispensable status is occupied in Furniture manufacturing, is increasingly liked by the majority of consumers and favors.And rattan articles furniture
The coating of especially white rattan articles furniture, usually brings puzzlement to Furniture Factory: it is inadequate to paint wetability in porous substrate for Calamus
It is good, it is easy to appear phenomenon of revealing the exact details.It causes furniture largely to do over again, greatly reduces production efficiency and product turnout rate.
Summary of the invention
In view of the above technical problems, technical problem solved by the present invention is coating is avoided to apply on white rattan articles furniture
Generation is revealed the exact details phenomenon, meanwhile, it should also make the film of coating that there is high-flexibility and high anti-yellowing property.
In order to solve the above technical problems, present invention provide the technical scheme that
A kind of white dumb light rattan articles polyurethane coating of bi-component, including component A and component B and diluent, the first
Component includes following mass percent component:
The modified alkyd resin 40%-60% of coconut oil；
Auxiliary agent 1.4-5.5%；
Pigments and fillers 23-46%；
Surplus is organic solvent；
The component B includes following mass percent component:
Organic solvent 30%-50%；
Dehydrating agent 0.1%-0.5%；
HDI curing agent 15%-30%；For aliphatic polymeric isocyanate, preferably hexamethylene diisocyanate trimer；
TDI curing agent 20%-50%；For the toluene di-isocyanate(TDI) of low molecular weight；
The each component mass percent of component B is combined into 100%.
Further, auxiliary agent 1.4-5.5% is grouped as by following group:
Defoaming agent 0.1-0.5%；
Dispersing agent 0.5-2%；
Antioxidant 0.3-1%；
Levelling agent 0.2-0.8%；
Drier 0-0.2%；
Ultraviolet absorbing agent 0.3-1%.Dispersing agent is the high-molecular block copolymer 0.3-3% of the affinity groups containing pigment or containing acidity
The copolymer solution of group, preferably BYK-110, BYK-163.Defoaming agent is modified polyorganosiloxane, preferably moral it is modest 5300, BYK-
141.The 1001 of the preferred vapour bar of antioxidant.The UV-531 and UV-2 of the preferred vapour bar of UV absorbers.Drier is organotin, excellent
The T-12 of beauty competition state gas companies.
Further, the fineness of the modified alkyd resin of coconut oil is 3-10 microns, viscosity 15000-55000CPS.It is excellent
Select prosperous greatly 921.
Further, pigments and fillers include at least one of titanium dioxide, silica.Titanium dioxide is the titanium white of rutile-type
Powder, the preferably R-900 of Dupont, the TR-81 of Heng Siman；Silica is the silica produced with the precipitation method, preferably moral
Gu the OK520 of Sa, the ED-2 of Grace, the E-1011 of Japanese Tosoh.
Further, organic solvent includes at least one of esters solvent and solvent of ether ester type.Solvent of ether ester type is third
Glycol methyl ether acetate PMA, esters solvent include at least one of the positive fourth rouge of acetic acid, ethyl acetate
Further, dehydrating agent includes the isocyanates of single function group.It is preferred that the BF-5 of Baeyer.
Further, diluent includes following mass percent component: dimethylbenzene 30%-50%, cyclohexanone 5%-10%, third
Glycol methyl ether acetate 20%-40%, n-butyl acetate 15%-30%, ethyl acetate 5%-25%.
Further, levelling agent includes fluorine-carbon modified polyacrylate high polymer, in polyether-modified dimethyl silicone polymer
At least one.Fluorine-carbon modified polyacrylate high polymer preferred EFKA-3600, EFKA-3777, polyether-modified poly dimethyl silicon
Oxygen alkane preferred BYK-323, BYK-333.
A kind of application method of the white dumb light rattan articles polyurethane coating of bi-component, the first and second components are according to 1:0.5-0.6
Mass ratio mixing after mixture, the diluent that mixture quality 30-50% is added constructs after mixing.It can be with
Understand ground, after being adjusted to suitable working viscosity, can be obtained physical and chemical performance and the excellent paint film of decorative performance after dry.
A kind of preparation method of the white dumb light rattan articles polyurethane coating of bi-component, includes the following steps:
The preparation method of component A:
A. the half for the alkyd resin total amount that first coconut oil is modified in investment formula, until then putting into whole ether in reaction kettle
Esters solvent and dispersing agent and defoaming agent, Rate Dispersion 5-10 minutes for turning every part with 800-1000, are made pre-dispersed resin liquid；
B. in pre-dispersed good resin liquid, a part of pigments and fillers are slowly put into, with 1200-1400 revs/min of Rate Dispersion 30
After minute, sand mill is gone over, until fineness≤15um；
C. the modified alkyd resin of the other half remaining coconut oil, antioxidant, ultraviolet light are added into ground white slurry
Absorbent, another part pigments and fillers, levelling agent, drier and organic solvent are divided with 1200-1400 revs/min of Rate Dispersion 10
Clock is filtered and packaged to after being mixed thoroughly；
The preparation method of component B:
Dehydrating agent is added in organic solvent, after being dehydrated it sufficiently, HDI curing agent is sequentially added and TDI curing agent is abundant
It stirs evenly.
After applying above-mentioned technical proposal, beneficial effects of the present invention are as follows:
First, having introduced the modified alkyd resin of new film forming matter-coconut oil, this resin, which removes, has high-flexibility, Gao Naihuang
Other than change, also there is very outstanding substrate wettability energy.
Second, having selected fluorine-carbon modified acrylate leveling agent, this auxiliary agent can reduce the surface tension of coating, effectively
Paint is improved to the wetability of ground.
Third, the HDI curing agent in second component of having arranged in pairs or groups.The weatherability of film is set to be greatly improved.
Specific embodiment
The examples are only preferred embodiments of the present invention, is not limitation of the invention.
Purport of the invention is that finishing coat is solved from the aspect of two in coating to the wetting out problems of ground.Below with reference to
Embodiment is described in further detail the contents of the present invention.
The embodiment of the compositing formula of first component is as shown in table 1:
Table 1: first Components Example formula
Above embodiments the preparation method comprises the following steps:
A. 1- the 4th is first added into dispersion cylinder, and with 800-1000 revs/min of speed, dispersion 5 minutes or so is to uniform, so
The 5th is added during dispersion afterwards, with Rate Dispersion 30 minutes or so of 1200-1400 revs/min to uniform.
B: by the ready-made pre-dispersed slurry of step a institute, until crossing sand mill to fineness≤15um.
C: step b be added the 6th-the 13 in the ready-made dispersion pulp for reaching fineness after, turned with 1200-1400/
Point Rate Dispersion 10 minutes to after uniformly, filter and package.
The embodiment of the compositing formula of second component is as shown in table 2:
Table 2: second Components Example formula
The preparation method of second component is:
Step A: by 1-2, after being sufficiently mixed uniformly, it is dehydrated it sufficiently.
Step B: being sequentially added into 3-4 into solvent obtained by step A, with 300 purposes after stirring
Filter cloth filters and packages.
By first component made from above method and second component, mixed by ratio of weight and the number of copies for the ratio of 100:50-60, then with
Suitable diluent sprays test after adjusting to corresponding working viscosity:
Above embodiments 1-4(first component) and embodiment 1-3(second component) proportion is corresponded, performance inspection the results are shown in Table 3, table
4, table 5 and table 6:
Table 3
Table 4
Table 5
Table 6
The above result shows that the present invention meets national standard GB-18581-2009 standard and GB/T23997-2009 standard, and solve
Bicomponent white dumb light rattan articles polyurethane coating is in construction due to the phenomenon of revealing the exact details to not good enough the appearance of substrate wettability.
Above-described embodiment, only presently preferred embodiments of the present invention, the practical range being not intended to limit the invention, thus it is all with
The equivalent change or modification that feature described in the claims in the present invention and principle are done should all be included in the claims in the present invention model
Within enclosing.
Claims (10)
1. a kind of white dumb light rattan articles polyurethane coating of bi-component, including component A and component B and diluent, feature
It is, the component A includes following mass percent component:
The modified alkyd resin 40%-60% of coconut oil；
Auxiliary agent 1.4-5.5%；
Pigments and fillers 23-46%；
Surplus is organic solvent；
The component B includes following mass percent component:
Organic solvent 30%-50%；
Dehydrating agent 0.1%-0.5%；
HDI curing agent 15%-30%；
TDI curing agent 20%-50%；
The each component mass percent of component B is combined into 100%.
2. the white dumb light rattan articles polyurethane coating of bi-component according to claim 1, which is characterized in that described helps
Agent 1.4-5.5% is grouped as by following group:
Defoaming agent 0.1-0.5%；
Dispersing agent 0.5-2%；
Antioxidant 0.3-1%；
Levelling agent 0.2-0.8%；
Drier 0-0.2%；
Ultraviolet absorbing agent 0.3-1%.
3. the white dumb light rattan articles polyurethane coating of bi-component according to claim 1 or 2, which is characterized in that described
The fineness of the modified alkyd resin of coconut oil be 3-10 microns, viscosity 15000-55000CPS.
4. the white dumb light rattan articles polyurethane coating of bi-component according to claim 1 or 2, which is characterized in that described
Pigments and fillers include at least one of titanium dioxide, silica.
5. the white dumb light rattan articles polyurethane coating of bi-component according to claim 1 or 2, which is characterized in that described
Organic solvent include at least one of esters solvent and solvent of ether ester type.
6. the white dumb light rattan articles polyurethane coating of bi-component according to claim 1 or 2, which is characterized in that described
Dehydrating agent include single function group isocyanates.
7. the white dumb light rattan articles polyurethane coating of bi-component according to claim 1 or 2, which is characterized in that described
Diluent include following mass percent component: dimethylbenzene 30%-50%, cyclohexanone 5%-10%, propylene glycol methyl ether acetate
20%-40%, n-butyl acetate 15%-30%, ethyl acetate 5%-25%.
8. the white dumb light rattan articles polyurethane coating of bi-component according to claim 2, which is characterized in that the stream
Flat agent includes at least one of fluorine-carbon modified polyacrylate high polymer, polyether-modified dimethyl silicone polymer.
9. a kind of application method of the white dumb light rattan articles polyurethane coating of bi-component of any of claims 1 or 2, feature
It is, the first and second components obtain mixture after mixing according to the mass ratio of 1:0.5-0.6, and the dilution of mixture quality 30-50% is added
Agent is constructed after mixing.
10. a kind of preparation method of the white dumb light rattan articles polyurethane coating of bi-component as claimed in claim 2, feature exist
In including the following steps:
The preparation method of component A:
A. the half for the alkyd resin total amount that first coconut oil is modified in investment formula, until then putting into whole ether in reaction kettle
Esters solvent and dispersing agent and defoaming agent, Rate Dispersion 5-10 minutes for turning every part with 800-1000, are made pre-dispersed resin liquid；
B. in pre-dispersed good resin liquid, a part of pigments and fillers are slowly put into, with 1200-1400 revs/min of Rate Dispersion 30
After minute, sand mill is gone over, until fineness≤15um；
C. the modified alkyd resin of the other half remaining coconut oil, antioxidant, ultraviolet light are added into ground white slurry
Absorbent, another part pigments and fillers, levelling agent, drier and organic solvent are divided with 1200-1400 revs/min of Rate Dispersion 10
Clock is filtered and packaged to after being mixed thoroughly；
The preparation method of component B:
Dehydrating agent is added in organic solvent, after being dehydrated it sufficiently, HDI curing agent is sequentially added and TDI curing agent is abundant
It stirs evenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291638.XA CN109593459A (en) | 2018-10-31 | 2018-10-31 | A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291638.XA CN109593459A (en) | 2018-10-31 | 2018-10-31 | A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof |
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| CN109593459A true CN109593459A (en) | 2019-04-09 |
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| CN201811291638.XA Pending CN109593459A (en) | 2018-10-31 | 2018-10-31 | A kind of white dumb light rattan articles polyurethane coating of bi-component and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393932A (en) * | 2020-04-28 | 2020-07-10 | 上海君子兰新材料股份有限公司 | Dyed veneer coating and preparation method and construction method thereof |
| CN115785786A (en) * | 2022-12-05 | 2023-03-14 | 河南七彩异涂新材料科技有限公司 | High-weather-resistance and anti-yellowing coating and preparation method thereof |
| CN115975495A (en) * | 2022-12-23 | 2023-04-18 | 澳达树熊涂料(惠州)有限公司 | High-transparency anti-sinking double-component transparent primer and preparation method thereof |
| CN115975495B (en) * | 2022-12-23 | 2024-04-26 | 澳达树熊涂料(惠州)有限公司 | High-permeability sagging-prevention double-component transparent primer and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111393932A (en) * | 2020-04-28 | 2020-07-10 | 上海君子兰新材料股份有限公司 | Dyed veneer coating and preparation method and construction method thereof |
| CN111393932B (en) * | 2020-04-28 | 2022-03-15 | 上海君子兰新材料股份有限公司 | Dyed veneer coating and preparation method and construction method thereof |
| CN115785786A (en) * | 2022-12-05 | 2023-03-14 | 河南七彩异涂新材料科技有限公司 | High-weather-resistance and anti-yellowing coating and preparation method thereof |
| CN115975495A (en) * | 2022-12-23 | 2023-04-18 | 澳达树熊涂料(惠州)有限公司 | High-transparency anti-sinking double-component transparent primer and preparation method thereof |
| CN115975495B (en) * | 2022-12-23 | 2024-04-26 | 澳达树熊涂料(惠州)有限公司 | High-permeability sagging-prevention double-component transparent primer and preparation method thereof |
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Application publication date: 20190409 |