CN104817943A - Dual-component polyurethane paint - Google Patents
Dual-component polyurethane paint Download PDFInfo
- Publication number
- CN104817943A CN104817943A CN201510165444.5A CN201510165444A CN104817943A CN 104817943 A CN104817943 A CN 104817943A CN 201510165444 A CN201510165444 A CN 201510165444A CN 104817943 A CN104817943 A CN 104817943A
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- China
- Prior art keywords
- parts
- component
- polyurethane coating
- coating according
- dual
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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
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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
- C09D7/63—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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a dual-component polyurethane paint, which is composed of a component A and a component B, the component A comprises the following ingredients by weight part: 20-30 parts of multihydroxyl polyacrylate resin, 2-8 parts of acrylic acid dispersant, 1-5 parts of phthalic anhydride, 3-10 parts of hydroxycyclohexyl phenyl group, 1-6 parts of leveling agent, 2-4 parts of antifoaming agent, 4-8 parts of thickening agent and 30-40 parts of solvent; and the components B comprises 10-20 parts of polyisocyanates curing agent. The dual-component polyurethane paint is capable of being rapidly solidified to form a film, the coating has advantages of excellent bonding intensity, good weatherability, low content of organic volatile matter, fixed paint film, smooth surface, and easy cleaning, and is suitable for coating fields of automobile and woodenware furniture.
Description
Technical field
The present invention relates to polyurethane coating field, particularly relate to a kind of double-component polyurethane coating.
Background technology
Bicomponent polyurethane coating is generally made up of the curing agent component containing isocyanate functional group and the paint components containing hydroxyl or amidine functional group.The polyurethane coating of two-pack has excellent wear resistance, chemical-resistant and oil-proofness, and curing of coating performance is good, fast drying, is applicable to the application of wood furniture.
Among each coating series, Hydroxylated acrylic resin coating and polyisocyanate curing agent moiety have properties superior especially, as weathering resistance, water tolerance, chemical proofing etc.
Current Application comparison widely Hydroxylated acrylic resin has high hydroxyl and low hydroxyl resin, and the coating film gloss degree of high hydroxy resin is high, fullness ratio good, hardness is high, chemicals-resistant and water-tolerant, but poor to the adherence of plastic cement material.And low hydroxy resin is good to the adherence of plastic cement material, good weatherability, and the curing of coating time is long.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, a kind of weathering resistance and adherence is good, curing speed is fast bicomponent polyurethane coating are provided.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of double-component polyurethane coating, be made up of component A and B component, described component A is counted by weight and is comprised following component: poly-hydroxy acrylic resin 20 ~ 30 parts, acrylic acid dispersant 2 ~ 8 parts, Tetra hydro Phthalic anhydride 1 ~ 5 part, hydroxycyclohexylphenyl 3 ~ 10 parts, flow agent 1 ~ 6 part, defoamer 2 ~ 4 parts, thickening material 4 ~ 8 parts, solvent 30 ~ 40 parts;
Described B component is polyisocyanate curing agent 10 ~ 20 parts.
Preferably, described poly-hydroxy acrylic resin is at least one in hydroxyethyl methacrylate, hydroxyl ethyl acrylate, the positive butyl ester of hydroxyl acrylic.
Preferably, described flow agent is at least one in PSI, polydimethylsiloxane, alkyl-modified organo-siloxane.
Preferably, described thickening material is at least one in methylcellulose gum, polyvinyl alcohol, polyvinylpyrrolidone.
Preferably, described solvent is at least one in butylacetate, ethyl acetate, Diethylene Glycol, pimelinketone.
Preferably, described polyisocyanates is at least one in tolylene diisocyanate, diphenylmethanediisocyanate, hexamethylene diisocyanate.
Beneficial effect of the present invention:
Compared with prior art, bicomponent polyurethane coating prepared by the present invention, energy fast setting film forming, coating has excellent cohesive strength, good weatherability, volatile organic content is low, paint film is firm, smooth surface, easy cleaning, is applicable to automobile, wood furniture field of coating.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: poly-hydroxy acrylic resin 20 ~ 30 parts, acrylic acid dispersant 2 ~ 8 parts, Tetra hydro Phthalic anhydride 1 ~ 5 part, hydroxycyclohexylphenyl 3 ~ 10 parts, flow agent 1 ~ 6 part, defoamer 2 ~ 4 parts, thickening material 4 ~ 8 parts, solvent 30 ~ 40 parts;
Described B component is polyisocyanate curing agent 10 ~ 20 parts.
Bicomponent polyurethane coating prepared by the present invention, the advantage such as there is weathering resistance and adherence is good, curing speed is fast.
Embodiment 1
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: hydroxyethyl methacrylate 20 parts, acrylic acid dispersant 8 parts, Tetra hydro Phthalic anhydride 5 parts, hydroxycyclohexylphenyl 3 parts, PSI 6 parts, defoamer 2 parts, methylcellulose gum 4 parts, butylacetate 40 parts;
Described B component is tolylene diisocyanate 10 parts.
Embodiment 2
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: hydroxyl ethyl acrylate 30 parts, acrylic acid dispersant 2 parts, Tetra hydro Phthalic anhydride 1 part, hydroxycyclohexylphenyl 10 parts, polydimethylsiloxane 1 part, defoamer 4 parts, polyvinyl alcohol 8 parts, ethyl acetate 30 parts;
Described B component is diphenylmethanediisocyanate 20 parts.
Embodiment 3
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: the positive butyl ester of hydroxyl acrylic 25 parts, acrylic acid dispersant 5 parts, Tetra hydro Phthalic anhydride 3 parts, hydroxycyclohexylphenyl 6 parts, alkyl-modified organo-siloxane 3 parts, defoamer 3 parts, polyvinylpyrrolidone 6 parts, Diethylene Glycol 35 parts;
Described B component is hexamethylene diisocyanate 15 parts.
Embodiment 4
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: hydroxyl ethyl acrylate 22 parts, acrylic acid dispersant 3 parts, Tetra hydro Phthalic anhydride 2 parts, hydroxycyclohexylphenyl 4 parts, polydimethylsiloxane 2 parts, defoamer 3 parts, polyvinyl alcohol 5 parts, butylacetate 32 parts;
Described B component is diphenylmethanediisocyanate 12 parts.
Embodiment 5
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: the positive butyl ester of hydroxyl acrylic 28 parts, acrylic acid dispersant 7 parts, Tetra hydro Phthalic anhydride 4 parts, hydroxycyclohexylphenyl 8 parts, alkyl-modified organo-siloxane 5 parts, defoamer 4 parts, polyvinylpyrrolidone 7 parts, ethyl acetate 38 parts;
Described B component is hexamethylene diisocyanate 18 parts.
Embodiment 6
A kind of bicomponent polyurethane coating, is made up of component A and B component.Described component A is counted by weight and is comprised following component: hydroxyethyl methacrylate 26 parts, acrylic acid dispersant 7 parts, Tetra hydro Phthalic anhydride 2 parts, hydroxycyclohexylphenyl 4 parts, alkyl-modified organo-siloxane 2 parts, defoamer 3 parts, methylcellulose gum 5 parts, Diethylene Glycol 33 parts;
Described B component is tolylene diisocyanate 14 parts.
Performance test
Basic mechanical design feature of the present invention is as shown in table 1:
Table 1
As seen from Table 1, the scrubbing resistance Environmentally-frieinner-wall inner-wall emulsion paint that prepared by the present invention has weathering resistance and the advantage such as adherence is good, curing speed is fast.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (6)
1. a double-component polyurethane coating, it is characterized in that, be made up of component A and B component, described component A is counted by weight and is comprised following component: poly-hydroxy acrylic resin 20 ~ 30 parts, acrylic acid dispersant 2 ~ 8 parts, Tetra hydro Phthalic anhydride 1 ~ 5 part, hydroxycyclohexylphenyl 3 ~ 10 parts, flow agent 1 ~ 6 part, defoamer 2 ~ 4 parts, thickening material 4 ~ 8 parts, solvent 30 ~ 40 parts; Described B component is polyisocyanate curing agent 10 ~ 20 parts.
2. polyurethane coating according to claim 1, is characterized in that: described poly-hydroxy acrylic resin is at least one in hydroxyethyl methacrylate, hydroxyl ethyl acrylate, the positive butyl ester of hydroxyl acrylic.
3. polyurethane coating according to claim 1, is characterized in that: described flow agent is at least one in PSI, polydimethylsiloxane, alkyl-modified organo-siloxane.
4. polyurethane coating according to claim 1, is characterized in that: described thickening material is at least one in methylcellulose gum, polyvinyl alcohol, polyvinylpyrrolidone.
5. polyurethane coating according to claim 1, is characterized in that: described solvent is at least one in butylacetate, ethyl acetate, Diethylene Glycol, pimelinketone.
6. polyurethane coating according to claim 1, is characterized in that: described polyisocyanates is at least one in tolylene diisocyanate, diphenylmethanediisocyanate, hexamethylene diisocyanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165444.5A CN104817943A (en) | 2015-04-09 | 2015-04-09 | Dual-component polyurethane paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510165444.5A CN104817943A (en) | 2015-04-09 | 2015-04-09 | Dual-component polyurethane paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104817943A true CN104817943A (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510165444.5A Pending CN104817943A (en) | 2015-04-09 | 2015-04-09 | Dual-component polyurethane paint |
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| CN (1) | CN104817943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105567071A (en) * | 2016-03-16 | 2016-05-11 | 张学健 | Polyurethane finish paint |
| CN109624378A (en) * | 2018-11-01 | 2019-04-16 | 嘉兴市爵拓科技有限公司 | A kind of tablet rapid molding device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556162A (en) * | 2004-01-09 | 2004-12-22 | 南京工业大学 | Nano transparent abrasion resistant composite paint |
| CN101608095A (en) * | 2008-06-16 | 2009-12-23 | 中涂化工（上海）有限公司 | Locomotive quick-drying type polyurethane coating |
| CN101880506A (en) * | 2010-07-01 | 2010-11-10 | 泉州市新协志特种涂料有限公司 | Nano anionic double-component aqueous wood paint |
-
2015
- 2015-04-09 CN CN201510165444.5A patent/CN104817943A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1556162A (en) * | 2004-01-09 | 2004-12-22 | 南京工业大学 | Nano transparent abrasion resistant composite paint |
| CN101608095A (en) * | 2008-06-16 | 2009-12-23 | 中涂化工（上海）有限公司 | Locomotive quick-drying type polyurethane coating |
| CN101880506A (en) * | 2010-07-01 | 2010-11-10 | 泉州市新协志特种涂料有限公司 | Nano anionic double-component aqueous wood paint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105567071A (en) * | 2016-03-16 | 2016-05-11 | 张学健 | Polyurethane finish paint |
| CN109624378A (en) * | 2018-11-01 | 2019-04-16 | 嘉兴市爵拓科技有限公司 | A kind of tablet rapid molding device |
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Application publication date: 20150805 |