CN104774553B - A kind of polyurethane primer of the bulging air filled cavity of spary on porous timber - Google Patents
A kind of polyurethane primer of the bulging air filled cavity of spary on porous timber Download PDFInfo
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- CN104774553B CN104774553B CN201510153740.3A CN201510153740A CN104774553B CN 104774553 B CN104774553 B CN 104774553B CN 201510153740 A CN201510153740 A CN 201510153740A CN 104774553 B CN104774553 B CN 104774553B
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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
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- 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
- C08K3/34—Silicon-containing compounds
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- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
The invention discloses a kind of polyurethane primer of the bulging air filled cavity of spary on porous timber, it is characterized in that, described polyurethane primer is made up of A, B, C tri-kinds of components; Wherein, component A comprises: resin, alcohols, carboxylic-acid, organic solvent, talcum powder, defoamer, flow agent and wilkinite; B component comprises: polymeric polyisocyanate class solidifying agent and esters solvent; Component C is thinner; A, B, C tri-kinds of composition weight blending ratios are 1:0.5 ~ 0.8:0.5 ~ 1.Adopt polyurethane primer energy rapid permeability prepared by formula of the present invention in wooden eye, the bubble produced when the bubble produced during construction or paint being penetrated into wood grain before surface drying disappears completely, and the paint film formed is speckless, transparency is consistent, attractive in appearance.
Description
Technical field
The present invention relates to a kind of polyurethane primer, particularly a kind of polyurethane primer of the bulging air filled cavity of spary on porous timber.
Background technology
Polyurethane paint is compared with other paint kind, and under same rigidity, due to the effect of hydrogen bond, the elongation at break of PU paint film is the highest.Paint film adhesion is strong, and paint film all has excellent sticking power to multiple object plane (metal, timber, rubber, concrete, some plastics etc.), and have protectiveness and ornamental concurrently, polyurethane primer is widely used in high-grade solid wood furniture.
Recently, Chinese patent CN101585998A discloses a kind of formula of bicomponent polyurethane paint, comprising: the formula of the host of bicomponent polyurethane paint, solidifying agent and thinner.The starting material of this bicomponent polyurethane paint formula application domestic production, as main component, reduce production cost, have excellent sticking power to the modification of nylon base material containing 50% glass and its upper strata colored paint simultaneously.Chinese patent CN102070980A discloses a kind of taxus chinensis polyurethane paint, by main paint, solidifying agent, thinner by weight mark 1:0.5:0.4 ratio be mixed.The present invention is by the mode of the MULTIPLE COMPOSITE filling taxol factor, can make the polyurethane paint product obtained except having higher hardness, fullness ratio, sticking power, high temperature resistance after tackiness, water tolerance and good applicability in construction, and organic compound such as absorbing formaldehyde can be decomposed rapidly.Such as, but the porous timber that high-grade solid wood furniture generally adopts, wooden eye is all deep: husky Billy, Ka Sila, Cortex Fraxini mandshuricae, redwood etc.Wood eye is dark just cause polyurethane primer to be constructed on timber after be easy to occur big area bubble, bubble punches rear formation pinprick, and this pinprick is difficult to fill and lead up, and paint film is thicker, and pinprick is darker.Solve above phenomenon, only have polyurethane primer rapid permeability before paint film surface drying in wood grain, the air in wood grain all to be discharged, just can not produce large finish paint bubble, bubble-free, just produce without pinprick after polishing.
In order to overcome the above problems, the woodenware factory daily life of a family uses following several method to solve, and (1) opens very rarely spray or brush solid wood furniture with common polyurethane primer.(2) after pressing normal rates construction with common polyurethane primer, after alveolate for band dry film polishing, mend with mending native big area the pin hole produced.(3) use the direct blade coating of water ash on furniture, first wood grain is filled and led up, then spray twice polyurethane primer.But these methods also can produce some problems or shortcoming, are specially, (1) opens very rarely spray or brush solid wood furniture with common polyurethane primer, this causes each dry film very thin, spray 5 ~ 6 times wood grain to be filled and led up, this causes labour cost large, goes out ETCD estimated time of commencing discharging long.(2) after pressing normal rates construction with common polyurethane primer, after alveolate for band dry film polishing, mend with mending native big area the pin hole produced, it is different with partial transparency that this causes solid wood furniture to be badly specked, affect attractive in appearance, and press normal rates construction, the serviceable time is very short.(3) use the direct blade coating of water ash on furniture, first wood grain is filled and led up, then spray twice polyurethane primer, the solid wood furniture of working it out like this, class is just very low.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the invention provides polyurethane primer of a kind of not bulging air filled cavity of spary on porous timber and preparation method thereof, this polyurethane primer construction anti-bubbling performance on porous wood furniture is very good, solves the problem that air filled cavity appears in polyurethane paint construction on porous timber.
Technical solution of the present invention is as follows:
On porous timber, spary does not rouse a polyurethane primer for air filled cavity, and described paint possesses anti-bulging air filled cavity performance on porous wood furniture.Described polyurethane primer is made up of A, B, C tri-kinds of components, during use, A, B, C tri-kinds of components is pressed the part by weight mixing of 1:0.5 ~ 0.8:0.5 ~ 1, constructs in the wood surface of polishing.
Described component A comprises following component:
Synolac or acrylic resin 40 parts ~ 80 parts,
Organic solvent 12 parts ~ 26 parts,
Talcum powder 6 parts ~ 30 parts,
Defoamer 0.5 part ~ 3 parts,
Flow agent 0.5 part ~ 1 part,
Wilkinite 0.5 part ~ 1 part.
Preferably, described polyurethane primer component A also comprises:
Epoxy resin 10 parts ~ 30 parts,
Monohydroxy-alcohol 1 part ~ 2 parts,
Trivalent alcohol 2 parts ~ 3 parts,
2 parts ~ 5 parts, monoprotic acid.
Preferably, described polyurethane primer component A also comprises the wetting dispersing agent of 0.2 part ~ 0.5 part.
Described Synolac is the Synolac of hydroxyl, and described acrylic resin is the acrylic resin of hydroxyl.Described monohydroxy-alcohol is at least one in Virahol, isopropylcarbinol and neopentyl alcohol.Described trivalent alcohol is at least one in glycerol and TriMethylolPropane(TMP).Described monoprotic acid is at least one in phenylformic acid, acid and propionic acid.
The organic solvent of described component A is one or more in aromatic hydrocarbon solvent, esters solvent or ketones solvent.The moiety of the organic solvent of component A is: aromatic hydrocarbon solvent 5 parts ~ 10 parts, esters solvent 5 parts ~ 10 parts, and ketones solvent 2 parts ~ 6 parts, provides dissolved dilution effect.
Described talcous fineness is 1250 orders, and its fineness of high speed dispersion is less than 50 μm, for filling.Defoamer is acrylic-type, and the bubble mainly solve construction, causing when producing because of air and paint penetrate into wood at the moment, the bubble caused.Wilkinite mainly plays anti-settling effect.Flow agent is acrylic-type, with defoamer with the use of, there is better levelling effect and froth breaking effect.
Described B component comprises following component:
45 ~ 75 parts, polymeric polyisocyanate class solidifying agent,
Esters solvent 25 ~ 55 parts.
The polymeric polyisocyanate that the Synolac of hydroxyl and acrylic resin provide hydroxyl and B component to provide reacts.
Preferably, polymeric polyisocyanate class solidifying agent described in B component is tolylene diisocyanate (TDI) affixture or TDI one or both mixture trimerical; Synolac in NCO-group and component A and the OH-radical reaction in acrylic resin are provided, generate polyurethane(s) superpolymer.
Component C is thinner, comprises following component:
Aromatic hydrocarbon solvent 30 parts ~ 50 parts,
Esters solvent 35 parts ~ 55 parts,
Ketones solvent 5 parts ~ 15 parts.
The working viscosity of paint is transferred to by thinner after providing dissolved dilution A, B component to prepare by proportioning.
On porous timber, the polyurethane primer preparation method of the bulging air filled cavity of spary is:
(1) each component in component A except talcum powder and flow agent is added in dispersion cylinder by proportioning stir 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, add talcum powder again with the Rate Dispersion 5 ~ 10 minutes of 3000 ~ 4000 revs/min, flow agent is added in dispersion cylinder and stirs 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, 100 orders filtrations, independent packaging;
(2) by the solidifying agent of B component and esters solvent, drop into successively in dispersion cylinder and within 15 ~ 25 minutes, stir with the Rate Dispersion of 500 ~ 1500 revs/min stirring, 300 orders filtrations, independent packaging;
(3) each component in component C is dropped into the Rate Dispersion 5 ~ 10 minutes of 200 ~ 500 revs/min in dispersion cylinder, with 300 orders filtrations, independent packaging;
(4) A, B, C tri-kinds of components are mixed in proportion during use, construct in wood surface by A, B and C tri-kinds of components separately packaging.
Preferably, described polyurethane paint comprises following component:
Component A
The Synolac of hydroxyl or acrylic resin 60 parts,
Epoxy resin 18 parts,
Isopropylcarbinol 1.5 parts,
Glycerol 2.5 parts,
3 parts, phenylformic acid,
Dimethylbenzene 7 parts,
N-BUTYL ACETATE 7 parts,
Pimelinketone 2.5 parts,
Talcum powder 20 parts,
Vinylformic acid defoamer 2 parts,
Vinylformic acid flow agent 0.8 part,
Wilkinite 0.7 part,
Wetting dispersing agent 0.4 part;
B component
60 parts, isocyanates solidifying agent,
N-BUTYL ACETATE 40 parts;
Component C
Dimethylbenzene 40 parts,
N-BUTYL ACETATE 50 parts,
Pimelinketone 10 parts;
Prepare A, B, C tri-kinds of components according to said ratio, during use, A, B, C tri-kinds of components are made into described polyurethane paint by the part by weight mixing of 1:0.6:0.8.
Polyurethane primer energy rapid permeability prepared by the present invention is in wooden eye, the bubble produced when the bubble produced during construction or paint being penetrated into wood grain before surface drying disappears completely, and recoat can be carried out in the short period of time, this can save polishing number of times and save ETCD estimated time of commencing discharging, the paint film formed is speckless, transparency is consistent, attractive in appearance, simultaneously remain again the original every characteristic of urethane.And the serviceable time of polyurethane paint of the present invention reaches 4 hours, time less than common polyurethane primer length 1 ~ 2.
Embodiment
Embodiment 1
The polyurethane paint of the present embodiment comprises following component:
Component A
The Synolac of hydroxyl or acrylic resin 60 parts,
Dimethylbenzene 7 parts,
N-BUTYL ACETATE 7 parts,
Pimelinketone 2.5 parts,
Talcum powder 20 parts,
Vinylformic acid defoamer 2 parts,
Vinylformic acid flow agent 0.8 part,
Wilkinite 0.7 part,
Wetting dispersing agent 0.4 part;
B component
60 parts, isocyanates solidifying agent,
N-BUTYL ACETATE 40 parts;
Component C
Dimethylbenzene 40 parts,
N-BUTYL ACETATE 50 parts,
Pimelinketone 10 parts;
By the compositing formula of above-mentioned polyurethane paint, do to prepare as follows:
(1) each component in component A except talcum powder and flow agent is added in dispersion cylinder by proportioning stir 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, add talcum powder again with the Rate Dispersion 5 ~ 10 minutes of 3000 ~ 4000 revs/min, flow agent is added in dispersion cylinder and stirs 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, 100 orders filtrations, independent packaging;
(2) by the solidifying agent of B component and esters solvent, drop into successively in dispersion cylinder and within 15 ~ 25 minutes, stir with the Rate Dispersion of 500 ~ 1500 revs/min stirring, 300 orders filtrations, independent packaging;
(3) each component in component C is dropped into the Rate Dispersion 5 ~ 10 minutes of 200 ~ 500 revs/min in dispersion cylinder, with 300 orders filtrations, independent packaging;
(4) A, B, C tri-kinds of components are mixed in proportion during use, construct in wood surface by A, B and C tri-kinds of components separately packaging.
Embodiment 2
The polyurethane paint of the present embodiment comprises following component:
Component A
The Synolac of hydroxyl or acrylic resin 60 parts,
Epoxy resin 18 parts,
Isopropylcarbinol 1.5 parts,
Glycerol 2.5 parts,
3 parts, phenylformic acid,
Dimethylbenzene 7 parts,
N-BUTYL ACETATE 7 parts,
Pimelinketone 2.5 parts,
Talcum powder 20 parts,
Vinylformic acid defoamer 2 parts,
Vinylformic acid flow agent 0.8 part,
Wilkinite 0.7 part,
Wetting dispersing agent 0.4 part;
B component
60 parts, isocyanates solidifying agent,
N-BUTYL ACETATE 40 parts;
Component C
Dimethylbenzene 40 parts,
N-BUTYL ACETATE 50 parts,
Pimelinketone 10 parts;
By the compositing formula of above-mentioned polyurethane paint, do to prepare as follows:
(1) each component in component A except talcum powder and flow agent is added in dispersion cylinder by proportioning stir 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, add talcum powder again with the Rate Dispersion 5 ~ 10 minutes of 3000 ~ 4000 revs/min, flow agent is added in dispersion cylinder and stirs 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, 100 orders filtrations, independent packaging;
(2) by the solidifying agent of B component and esters solvent, drop into successively in dispersion cylinder and within 15 ~ 25 minutes, stir with the Rate Dispersion of 500 ~ 1500 revs/min stirring, 300 orders filtrations, independent packaging;
(3) each component in component C is dropped into the Rate Dispersion 5 ~ 10 minutes of 200 ~ 500 revs/min in dispersion cylinder, with 300 orders filtrations, independent packaging;
(4) A, B and C tri-kinds of components separately packaging, during use, A, B, C tri-kinds of components are pressed the mixing of 1:0.6:0.8 part by weight, construct in wood surface, the polyurethane paint serviceable time prepared is 4 hours.
Embodiment 3
The polyurethane paint of the present embodiment comprises following component:
Component A
The Synolac of hydroxyl or acrylic resin 40 parts,
Epoxy resin 10 parts,
Virahol 1 part,
TriMethylolPropane(TMP) 2 parts,
Acid 2 parts,
Dimethylbenzene 10 parts,
N-BUTYL ACETATE 10 parts,
Pimelinketone 5.5 parts,
Talcum powder 30 parts,
Vinylformic acid defoamer 3 parts,
Vinylformic acid flow agent 1 part,
Wilkinite 0.5 part,
Wetting dispersing agent 0.2 part;
B component
45 parts, isocyanates solidifying agent,
N-BUTYL ACETATE 55 parts;
Component C
Dimethylbenzene 30 parts,
N-BUTYL ACETATE 55 parts,
Pimelinketone 15 parts;
The preparation method of the present embodiment is with embodiment 2.
Embodiment 4
The polyurethane paint of the present embodiment comprises following component:
Component A
The Synolac of hydroxyl or acrylic resin 80 parts,
Epoxy resin 30 parts,
Neopentyl alcohol 2 parts,
Glycerol 3 parts,
Propionic acid 5 parts,
Dimethylbenzene 5 parts,
N-BUTYL ACETATE 5 parts,
Pimelinketone 2.5 parts,
Talcum powder 6 parts,
Vinylformic acid defoamer 0.5 part,
Vinylformic acid flow agent 0.5 part,
Wilkinite 0.5 part,
Wetting dispersing agent 0.2 part;
B component
75 parts, isocyanates solidifying agent,
N-BUTYL ACETATE 25 parts;
Component C
Dimethylbenzene 50 parts,
N-BUTYL ACETATE 35 parts,
Pimelinketone 15 parts;
The preparation method of the present embodiment is with embodiment 2.
Embodiment 5
The present embodiment is substantially the same manner as Example 2, and its difference is, during use, A, B, C tri-kinds of components is made into described polyurethane paint by 1:0.8:0.5 part by weight.
Embodiment 6
The present embodiment is substantially the same manner as Example 2, and its difference is, during use, A, B, C tri-kinds of components is made into described polyurethane paint by 1:0.5:1.0 part by weight.
Polyurethane priming paint prepared by above-mentioned 6 embodiments is constructed in proportion, energy rapid permeability is in wooden eye, the bubble produced when the bubble produced during construction or paint being penetrated into wood grain before surface drying disappears completely, and recoat can be carried out in the short period of time, serviceable time reaches 4 hours, time less than common polyurethane primer length 1 ~ 2, especially the effect of embodiment 2 is best.
Above to the polyurethane primer of a kind of bulging air filled cavity of spary on porous timber that the embodiment of the present invention provides, be described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. on porous timber, spary does not rouse a polyurethane primer for air filled cavity, and it is characterized in that, described polyurethane primer comprises A, B, C tri-kinds of components;
Consisting of of described component A:
Synolac or acrylic resin 40 parts ~ 80 parts,
Organic solvent 12 parts ~ 26 parts,
Talcum powder 6 parts ~ 30 parts,
Defoamer 0.5 part ~ 3 parts,
Flow agent 0.5 part ~ 1 part,
Wilkinite 0.5 part ~ 1 part,
Epoxy resin 10 parts ~ 30 parts,
Monohydroxy-alcohol 1 part ~ 2 parts,
Trivalent alcohol 2 parts ~ 3 parts,
2 parts ~ 5 parts, monoprotic acid;
Described B component comprises following component:
Polyisocyanate curing agent 45 parts ~ 75 parts,
Ester solvent 25 parts ~ 55 parts;
Described component C is thinner, comprises following component:
Aromatic solvent 30 parts ~ 50 parts,
Ester solvent 35 parts ~ 55 parts,
Ketone solvent 5 parts ~ 15 parts;
A, B, C tri-kinds of composition weight blending ratios are 1:0.5 ~ 0.8:0.5 ~ 1;
The moiety of the organic solvent in described component A is: aromatic solvent 5 parts ~ 10 parts, ester solvent 5 parts ~ 10 parts, ketone solvent 2 parts ~ 6 parts.
2. polyurethane primer according to claim 1, is characterized in that, described component A also comprises the wetting dispersing agent of 0.2 part ~ 0.5 part.
3. polyurethane primer according to claim 2, is characterized in that, described Synolac is the Synolac of hydroxyl, and described acrylic resin is the acrylic resin of hydroxyl.
4. polyurethane primer according to claim 3, is characterized in that, described polyisocyanate curing agent is tolylene diisocyanate affixture or TDI one or both mixture trimerical.
5. polyurethane primer according to claim 3, is characterized in that, described polyurethane paint comprises following component:
Component A
The Synolac of hydroxyl or acrylic resin 60 parts,
Epoxy resin 18 parts,
Isopropylcarbinol 1.5 parts,
Glycerol 2.5 parts,
3 parts, phenylformic acid,
Dimethylbenzene 7 parts,
N-BUTYL ACETATE 7 parts,
Pimelinketone 2.5 parts,
Talcum powder 20 parts,
Vinylformic acid defoamer 2 parts,
Vinylformic acid flow agent 0.8 part,
Wilkinite 0.7 part,
Wetting dispersing agent 0.4 part;
B component
Polyisocyanate curing agent 60 parts,
N-BUTYL ACETATE 40 parts;
Component C
Dimethylbenzene 40 parts,
N-BUTYL ACETATE 50 parts,
Pimelinketone 10 parts.
6. polyurethane primer according to claim 5, is characterized in that, A, B, C tri-kinds of component Mixing ratio by weight examples are 1:0.6:0.8.
7. a preparation method for the polyurethane primer as described in claim as arbitrary in claim 1-6, it is characterized in that, the method comprises following steps:
(1) each component in component A except talcum powder and flow agent is added in dispersion cylinder by proportioning stir 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, add talcum powder again with the Rate Dispersion 5 ~ 10 minutes of 3000 ~ 4000 revs/min, flow agent is added in dispersion cylinder and stirs 5 ~ 10 minutes with the Rate Dispersion of 1500 ~ 3000 revs/min, 100 orders filtrations, independent packaging;
(2) by the solidifying agent of B component and ester solvent, drop into successively in dispersion cylinder and within 15 ~ 25 minutes, stir with the Rate Dispersion of 500 ~ 1500 revs/min stirring, 300 orders filtrations, independent packaging;
(3) each component in component C is dropped into the Rate Dispersion 5 ~ 10 minutes of 200 ~ 500 revs/min in dispersion cylinder, with 300 orders filtrations, independent packaging;
(4) A, B, C tri-kinds of components are mixed in proportion during use, construct in wood surface by A, B and C tri-kinds of components separately packaging.
8. the preparation method of polyurethane primer according to claim 7, is characterized in that, the polyurethane primer serviceable time of preparing is 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153740.3A CN104774553B (en) | 2015-04-02 | 2015-04-02 | A kind of polyurethane primer of the bulging air filled cavity of spary on porous timber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153740.3A CN104774553B (en) | 2015-04-02 | 2015-04-02 | A kind of polyurethane primer of the bulging air filled cavity of spary on porous timber |
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| Publication Number | Publication Date |
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| CN104774553A CN104774553A (en) | 2015-07-15 |
| CN104774553B true CN104774553B (en) | 2016-02-10 |
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| CN201510153740.3A Expired - Fee Related CN104774553B (en) | 2015-04-02 | 2015-04-02 | A kind of polyurethane primer of the bulging air filled cavity of spary on porous timber |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109207050B (en) * | 2018-07-17 | 2020-07-31 | 中华制漆(新丰）有限公司 | Polyurethane white primer |
| CN110358394B (en) * | 2019-07-30 | 2021-11-02 | 陕西邦希化工有限公司 | Water-based polymer interpenetrating network anticorrosive paint and preparation method thereof |
| CN111718644A (en) * | 2020-07-29 | 2020-09-29 | 山东巴德士化工有限公司 | Polyurethane wood lacquer and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220082A (en) * | 2011-06-10 | 2011-10-19 | 东莞大宝化工制品有限公司 | Bicomponent oily polyurethane primer with low VOC (volatile organic compounds) |
| CN102504682A (en) * | 2011-11-03 | 2012-06-20 | 佛山市万正涂料有限公司 | Polyurethane paint applied to woodworking and application thereof |
| CN102504689A (en) * | 2011-11-03 | 2012-06-20 | 佛山市万正涂料有限公司 | Wood enclosing primer and application thereof |
| CN103450794A (en) * | 2013-08-20 | 2013-12-18 | 三棵树涂料股份有限公司 | Scratch resistant PU (Poly Urethane) floor varnish and preparation method thereof |
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2015
- 2015-04-02 CN CN201510153740.3A patent/CN104774553B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220082A (en) * | 2011-06-10 | 2011-10-19 | 东莞大宝化工制品有限公司 | Bicomponent oily polyurethane primer with low VOC (volatile organic compounds) |
| CN102504682A (en) * | 2011-11-03 | 2012-06-20 | 佛山市万正涂料有限公司 | Polyurethane paint applied to woodworking and application thereof |
| CN102504689A (en) * | 2011-11-03 | 2012-06-20 | 佛山市万正涂料有限公司 | Wood enclosing primer and application thereof |
| CN103450794A (en) * | 2013-08-20 | 2013-12-18 | 三棵树涂料股份有限公司 | Scratch resistant PU (Poly Urethane) floor varnish and preparation method thereof |
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