CN102382567A - High-performance low-temperature solidified polyurethane finish coat - Google Patents
High-performance low-temperature solidified polyurethane finish coat Download PDFInfo
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- CN102382567A CN102382567A CN2011103179804A CN201110317980A CN102382567A CN 102382567 A CN102382567 A CN 102382567A CN 2011103179804 A CN2011103179804 A CN 2011103179804A CN 201110317980 A CN201110317980 A CN 201110317980A CN 102382567 A CN102382567 A CN 102382567A
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Abstract
The invention discloses a high-performance low-temperature solidified polyurethane finish coat, which is characterized by comprising the following components by weight percent: 40% to 60% of hydroxyl-containing resin main agent, 20% to 30% of isocyanate curing agent and 20% to 25% of diluent. The polyurethane finish coat has good hardness, adhesion, flexibility, water resistance and chemical resistance, and can be quickly solidified to form a film in a low temperature environment, and the surface of the paint film has good scratch resistance.
Description
Technical field
The present invention relates to a kind of polyurethane finish of high-performance low-temperature curing.
Background technology
Polyurethane coating is that topmost wood is with one of coating variety on the present China market, and its membrane formation mechanism is isocyanic ester and hydroxyl generation chemical crosslink reaction film forming.Bicomponent polyurethane coating generally is divided into host, solidifying agent and thinner three components, and wherein host is to adopt the various types of resins of hydroxyl group formulated, and solidifying agent then is the prepolymer resin that contains isocyanic ester.During use, host and solidifying agent mixed on request adds proper amount of diluting adjustment working viscosity again, can carry out application.
General commercially available polyurethane coating has good hardness, snappiness, adherence, water tolerance and endurance, but have that film forming speed is slow, filming during the product assembling shortcoming such as is scratched easily.
Summary of the invention
The objective of the invention is provides the polyurethane finish of the fast high-performance low-temperature curing of a kind of rate of drying in order to overcome deficiency of the prior art.
For realizing above-mentioned purpose, the present invention realizes through following technical scheme:
The polyurethane finish of high-performance low-temperature curing is characterized in that, comprises following component according to weight percent:
Hydroxy-containing resin host 40%～60%
Isocyanate curing agent 20%～30%
Thinner 20%～25%
Described hydroxy-containing resin host comprises following composition:
The weight percent of being made up of more than one Synolac is 20%～35% hydroxy-containing resin,
Weight percent is 5%～20% pigment or filler;
Weight percent is 0.5%～1% dispersion agent;
Weight percent is 0%～1% skimmer;
Weight percent is 0%～5% flatting silica;
Weight percent is 1%～6% anti-heavy auxiliary agent;
Weight percent is 0.5%～1% flow agent;
Weight percent is 0%～2% zero diopter wax;
The weight percent of being made up of more than one ester class is 1%～8% first solvent;
Described isocyanate curing agent comprises following composition:
Weight percent is 10%～13% isocyanate resin;
The weight percent of being made up of more than one ester class and arene is 10%～15% second solvent;
Weight percent is 0.1%～0.2% dewatering agent;
Described thinner comprises following composition:
Ester class, aromatic hydrocarbon, ketone one or more form.
Preferably, described Synolac is the soybean alkyd by short oil, medium-oil-length or long-oil-length soya-bean oil and the synthetic preparation of phthalate anhydride.More preferably be said soybean alkyd solid content 70%-75%.
Preferably, described pigment and filler are that one or more mix by tinting pigment, pigment extender, specific functionality pigment etc.The available color stuffing includes but not limited to glass powder, Triple Pressed Stearic Acid zinc powder and talcum powder.
Preferably, described dispersion agent is to use the polyurethane class high molecular compound of block copolymerization and the ROHM high molecular polymer of long-chain line style.The available dispersion agent includes but not limited to: Disperbyk-2000, Disperbyk-2001.
Preferably, described skimmer is for using fluorine modified polyorganosiloxane multipolymer.The available skimmer includes but not limited to moral modest 5400; 5500; 5700; 6500.
Preferably, described flatting silica is for using silica polymer.The available flatting silica includes but not limited to Degussa OK-500, OK-412.
Preferably, described anti-heavy auxiliary agent is for using aerosil, polyethylene wax and polyene amine wax polymkeric substance.The anti-heavy auxiliary agent of available includes but not limited to nanmu A630-20X originally.
Preferably, described flow agent is organically-modified siloxanes.The available flow agent includes but not limited to EFKA-S030, EFKA-S090.
Preferably, described zero diopter wax is silica-based or macromolecule modified polyethylene wax.Available zero diopter wax include but not limited to TATSUMORL 7200, the modest FA-115 of moral.
Preferably, described first solvent is to be mixed by 60% propylene glycol monomethyl ether acetate and 40% butyl ester.
Preferably, described isocyanate resin is dipolymer or the tripolymer that is selected from the monomer addition among TDI, HDI, MDI, IPDI, TMDI, XDI and the HTDI.
Preferably, described second solvent is to be mixed by 60%～65% sec-butyl acetate and 35～40% aromatic hydrocarbon solvent.
More preferably be that described second solvent is to be mixed by 60% sec-butyl acetate, 40% aromatic hydrocarbon solvent.
Host preparation method among the present invention is: carry out part Synolac and dispersion agent pre-dispersed earlier; Add pigment, filler, flatting silica and a spot of first solvent in regular turn with the mode of adding while stirring after stirring; Began high-speed stirring 15～20 minutes after having added powder, go up shredder after the observation viscosity state and be ground to fineness, add first solvent, skimmer, anti-auxiliary agent, zero diopter wax, the flow agent of sinking again less than 10 microns; With the stirrer high speed dispersion after 5～10 minutes; Last shredder is ground to fineness less than 20 microns, adds residue first solvent again, transfers to suitable viscosity.
Characteristics of the present invention are that related polyurethane finish can not only reach good hardness, adherence, snappiness, water-fast and endurance, simultaneously can the fast setting film forming under cryogenic environment and film coated surface possess good scrath resistance.
1, the described Synolac of prescription is respectively the soybean alkyd of the synthetic preparation of short oil, medium-oil-length, long-oil-length soya-bean oil and phthalate anhydride; See through the technology of preparing of special interpenetrating(polymer)networks again; Not only possess good hardness of paint film, endurance and adherence; Also promoted snappiness, weathering resistance and air dry speed greatly, greatest help has been arranged for the overall performance of paint film.
2, the described zero diopter wax of prescription is polytetrafluoroethylmodified modified polyethylene wax, can improve the smoothness of film coated surface and promote the scrath resistance of coating surface greatly, and it can not make the phenomenon of coating surface generation gonorrhoea with the paint binder compatibility is good, be prone to disperse.
3, the isocyanate curing agent of above-mentioned prescription is dipolymer or the tripolymer by TDI, HDI, MDI, IPDI, TMDI, XDI, HTDI addition, the good performance of filming, reactivity, drying property, yellowing resistance can be provided and protect opticity.
Embodiment
Below in conjunction with embodiment the present invention is further specified.
Embodiment 1
High-performance low-temperature curing polyurethane finish comprises according to weight percentage: hydroxy-containing resin host 50%; Isocyanate curing agent 25%; Thinner 25%.
Above-mentioned high-performance low-temperature curing polyurethane finish and priming paint are used, and the actual detected data are following:
Embodiment 2
The high-performance low-temperature curing white polyurethane finish that disappears entirely comprises according to weight percentage: hydroxy-containing resin host 55%; Isocyanate curing agent 25%; Thinner 20%.
Disappear entirely white polyurethane finish and priming paint of above-mentioned high-performance low-temperature curing is used, and the actual detected data are following:
Embodiment 3
High-performance low-temperature curing polyurethane primer comprises according to weight percentage: hydroxy-containing resin host 52%; Isocyanate curing agent 28%; Thinner 20%.
Above-mentioned high-performance low-temperature curing polyurethane primer, the actual detected data are following:
Embodiment among the present invention only is used for that the present invention will be described, does not constitute the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect are all in protection domain of the present invention.
Claims (12)
1. the polyurethane finish of high-performance low-temperature curing is characterized in that, comprises following component according to weight percent:
Hydroxy-containing resin host 40%～60%;
Isocyanate curing agent 20%～30%;
Thinner 20%～25%;
Described hydroxy-containing resin host comprises following composition:
The weight percent of being made up of more than one Synolac is 20%～35% hydroxy-containing resin;
Weight percent is 5%～25% pigment or filler;
Weight percent is 0.5%～1% dispersion agent;
Weight percent is 0%～1% skimmer;
Weight percent is 0%～5% flatting silica;
Weight percent is 1%～6% anti-heavy auxiliary agent;
Weight percent is 0.5%～1% flow agent;
Weight percent is 0%～2% zero diopter wax;
The weight percent that is made up of more than one ester class is 1%～8% first solvent;
Described isocyanate curing agent comprises following composition:
Weight percent is 10%～13% isocyanate resin;
The weight percent that is made up of more than one ester class and arene is 10%～15% second solvent;
Weight percent is 0.1%～0.2% dewatering agent;
Described thinner comprises following composition:
Ester class, aromatic hydrocarbon, ketone one or more form.
2. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described Synolac is the soybean alkyd by short oil, medium-oil-length or long-oil-length soya-bean oil and the synthetic preparation of phthalate anhydride.
3. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described pigment or filler are that one or more mix by tinting pigment, pigment extender, specific functionality pigment etc.
4. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described dispersion agent is to use the polyurethane class high molecular compound of block copolymerization or the ROHM high molecular polymer of long-chain line style.
5. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described skimmer is for using fluorine modified polyorganosiloxane multipolymer.
6. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described flatting silica is a silica polymer.
7. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described anti-heavy auxiliary agent is aerosil, polyethylene wax and polyene amine wax polymkeric substance.
8. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described flow agent is organically-modified siloxanes.
9. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described zero diopter wax is silica-based or macromolecule modified polyethylene wax.
10. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described first solvent is to be mixed by 60% propylene glycol monomethyl ether acetate and 40% butyl ester.
11. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described isocyanate resin is dipolymer or the tripolymer that is selected from the monomer addition among TDI, HDI, MDI, IPDI, TMDI, XDI and the HTDI.
12. the polyurethane coating of high-performance low-temperature curing according to claim 1 is characterized in that, described second solvent is to be mixed by 60%～65% sec-butyl acetate and 35～40% aromatic hydrocarbon solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103179804A CN102382567A (en) | 2011-10-19 | 2011-10-19 | High-performance low-temperature solidified polyurethane finish coat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103179804A CN102382567A (en) | 2011-10-19 | 2011-10-19 | High-performance low-temperature solidified polyurethane finish coat |
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| CN102382567A true CN102382567A (en) | 2012-03-21 |
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| CN2011103179804A Pending CN102382567A (en) | 2011-10-19 | 2011-10-19 | High-performance low-temperature solidified polyurethane finish coat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510667A (en) * | 2012-06-26 | 2014-01-15 | 上海富臣化工有限公司 | Corrugation effect processing technology applied to home decoration |
| CN103589318A (en) * | 2013-10-24 | 2014-02-19 | 惠州市长润发涂料有限公司 | Polyurethane paint with ultrastrong adhesive force |
| CN115926592A (en) * | 2022-12-28 | 2023-04-07 | 惠州市千浪化工有限公司 | Environment-friendly paint for automobile exterior trimming parts and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603373A (en) * | 2003-09-29 | 2005-04-06 | 上海富臣化工有限公司 | Colored polyurethane (PU polyester) antibacterial wood paint |
| CN1603372A (en) * | 2004-09-08 | 2005-04-06 | 谷历文 | Solvent type nano modified polyester wood paint and process for producing same |
| CN101654590A (en) * | 2008-08-22 | 2010-02-24 | 深圳市展辰达化工有限公司 | PU polyurethane anti-scuffing finishing paint |
| CN101845266A (en) * | 2009-03-24 | 2010-09-29 | 陈姣英 | Anti-blushing transparent woodwork coating and production process thereof |
-
2011
- 2011-10-19 CN CN2011103179804A patent/CN102382567A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603373A (en) * | 2003-09-29 | 2005-04-06 | 上海富臣化工有限公司 | Colored polyurethane (PU polyester) antibacterial wood paint |
| CN1603372A (en) * | 2004-09-08 | 2005-04-06 | 谷历文 | Solvent type nano modified polyester wood paint and process for producing same |
| CN101654590A (en) * | 2008-08-22 | 2010-02-24 | 深圳市展辰达化工有限公司 | PU polyurethane anti-scuffing finishing paint |
| CN101845266A (en) * | 2009-03-24 | 2010-09-29 | 陈姣英 | Anti-blushing transparent woodwork coating and production process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510667A (en) * | 2012-06-26 | 2014-01-15 | 上海富臣化工有限公司 | Corrugation effect processing technology applied to home decoration |
| CN103589318A (en) * | 2013-10-24 | 2014-02-19 | 惠州市长润发涂料有限公司 | Polyurethane paint with ultrastrong adhesive force |
| CN115926592A (en) * | 2022-12-28 | 2023-04-07 | 惠州市千浪化工有限公司 | Environment-friendly paint for automobile exterior trimming parts and preparation method thereof |
| CN115926592B (en) * | 2022-12-28 | 2023-08-08 | 惠州市千浪化工有限公司 | Environment-friendly paint for automobile exterior trim parts and preparation method thereof |
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| ASS | Succession or assignment of patent right |
Owner name: DONGGUAN DABAO CHEMICAL PRODUCTS CO., LTD. Effective date: 20120229 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Hesheng Inventor before: Lai Hongwen |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LAI HONGWEN TO: CHEN HESHENG |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20120229 Address after: 201706, Qingpu District, Shanghai, Guzhen heavy 6009 North Green Road Applicant after: Shanghai Taiho Chemical Products Co., Ltd. Co-applicant after: Dongguan Dabao Chemical Products Co., Ltd. Address before: 201706, Qingpu District, Shanghai, Guzhen heavy 6009 North Green Road Applicant before: Shanghai Taiho Chemical Products Co., Ltd. |
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| C10 | Entry into substantive examination | ||
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Application publication date: 20120321 |