CN106893466B - A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof - Google Patents
A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof Download PDFInfo
- Publication number
- CN106893466B CN106893466B CN201710107796.4A CN201710107796A CN106893466B CN 106893466 B CN106893466 B CN 106893466B CN 201710107796 A CN201710107796 A CN 201710107796A CN 106893466 B CN106893466 B CN 106893466B
- Authority
- CN
- China
- Prior art keywords
- low temperature
- temperature resistant
- polyurethane coating
- powder
- wear
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of low temperature resistant wear-resistant polyurethane coatings and preparation method thereof, by weight, the low temperature resistant wear-resistant polyurethane coating ingredient includes 45~60 parts of polyurethane matrix resins, 0.5~6 part of low temperature resistant polyester polyol, 3~20 parts of micro-powder, 5~12 parts of curing agent, 30~50 parts of solvents, 0.5~3 part of defoaming agent using surface modifying agent.Gained coating of the invention retain former polyurethane coating adhesive force is strong, excellent in mechanical performance under room temperature, stability is good the features such as on the basis of, the addition of low temperature resistant polyester polyol is so that polyurethane coating low temperature performance excellent, micro-powder improves coating hardness, to have excellent wear-resisting property.Coating of the invention can be used for the protection of the facilities such as aircraft, wind electricity blade at low ambient temperatures.
Description
Technical field
The invention belongs to polymeric material fields, and in particular to a kind of low temperature performance excellent, wear-resisting modified polyurethane apply
Material and preparation method thereof.
Background technique
Polyurethane resin is one of the main species of paint binder at this stage, and polyurethane has soft and hard segments block copolymer
Structure, this unique structure make polyurethane product have outstanding comprehensive mechanical property: good mechanical property, ageing-resistant, resistance to
Oil, hardness adjustable extent are big, these excellent performances are that other many materials are incomparable.Polyurethane coating generally uses
Temperature is more than zero degrees celsius, but for northern China some areas, and in zero degree even zubzero temperature, this is wanted winter temperature
Seek polyurethane coating low-temperature flexibility performance with higher.Addition special polyols modified polyurethane neither influences former polyurethane knot
Structure, while can make former coating that there is preferable resistance to low temperature, Chinese patent CN101033368A provides a kind of using polyethers
Polyalcohol and toluene dicyanate synthesis ultra-low temperature polyurethane coating method, polyurethane resistance to low temperature is preferable, but cost compared with
Height, mechanical performance is poor, limits and applies under its low temperature environment.
The polyurethane system filled using inorganic particles obtains certain toughness, intensity and hardness after hardening, and China is specially
Sharp CN 105238253A discloses a kind of chlorinated paraffin, iron oxide red, nitrocotton, carbon nanotube, modified grammite, flakey
Aluminium flake, mica powder and graphite powder modified abrasion resistant polyurethane coating, but carbon nanotube higher cost, and modified filler type mistake
More, microparticle material size is too small, concentrates dispersion to be likely to occur problem in former polyurethane, this leads to coating stress concentration, instead
And make the reduction of coating mechanical property, coating use is influenced, therefore, it is modified and dispersed preferable resistance to low to develop a kind of one-component
Warm wear-resistant polyurethane coating is imperative.
Summary of the invention
The object of the present invention is to provide a kind of low temperature resistant wear-resistant polyurethane coatings, with excellent low temperature resistant wearability
Energy.
In order to achieve the above objectives, technical scheme is as follows:
Low temperature resistant wear-resistant polyurethane coating provided by the invention, by weight, wherein every ingredient includes 45~60 parts
Polyurethane matrix resin, 0.5~6 part of low temperature resistant polyester polyol, 3~20 parts by using surface modifying agent to introducing
The micro-powder of organo-functional group, 5~12 parts of curing agent, 30~50 parts of solvents, 0.5~3 part of defoaming agent.
Preferably, the polyurethane matrix resin is poly- sebacic acid-polybutadiene binary alcohol esters polyalcohol, polyethylene glycol-
1,4 butanediol adipate ester polyalcohols and 2- methyl-1, one of 5- pentanediol.
Preferably, the low temperature resistant polyester polyol in polyester polyol BY3001, BY3011, BY3022 one
Kind.
Preferably, the surface modifier is lauric acid imidazoline, acetic acid n-butanol, dibutyl adipate and curing 4
One of aminobenzene.
Preferably, the micro-powder be the ball aluminum powder that diameter is 13~18 μm, the flake aluminum that diameter is 5~8 μm,
One of the flake copper powder that the spherical copper powder and diameter that diameter is 10~15 μm are 8~12 μm.
Preferably, the curing agent is diisocyanate.
It is further preferred that the diisocyanate is 4,4- methyl diphenylene diisocyanate, methylcyclohexyl two is different
One of cyanate and benzene dimethylene diisocyanate.
Preferably, the solvent is one or more of arene, alcohols and lipid organic solvent.
It is further preferred that the arene organic solvent is dimethylbenzene；The alcohol organic solvent be n-butanol and
One or both of isopropanol；The lipid organic solvent methyl acetate or propyl acetate alcohol.
A kind of preparation method of above-mentioned low temperature resistant wear-resistant polyurethane coating, preparation method include the following steps:
1) by polyurethane matrix resin, low temperature resistant polyester polyol, using the micro-powder, molten of surface modifying agent
Agent, defoaming agent, which are mixed according to the above mentioned proportion, uniformly obtains mixture；
2) curing agent of aforementioned proportion is added in mixture, is uniformly mixed up to low temperature resistant wear-resistant polyurethane coating.
Specifically, the preparation method of above-mentioned low temperature resistant wear-resistant polyurethane coating provided by the invention, comprising the following steps:
Micro-powder is first soaked into 5min in the hydrochloric acid solution of 0.01mol/L, then uses distilled water and acetone washing, room temperature
After drying, 20min being impregnated in the ethanol solution of the surface treating agent of 0.001mol/L, is stirred simultaneously, removal is dried, and is passed through
The micro-powder of surface treating agent processing；
By each component according to 45~60 parts of polyurethane matrix resins of mass ratio, 0.5~6 part of low temperature resistant polyester polyol, 3
~20 parts introduce the modified micro-powder of organo-functional group, 30~50 parts of solvents, 0.5~3 part of defoaming agent by surface modifier
Mixing, stirring 20min are uniformly mixed each component.
5~12 parts of curing agent are added in the mixture stirred evenly, continue to stir, spraying or roller coating are in material table
Face obtains low temperature resistant abrasion resistant polyurethane coating.
The present invention has the advantages that
After the modified former polyurethane of low temperature resistant polyester polyol, former polyurethane structural is not had an impact, is retained former poly-
The cryogenic property of coating is promoted while urethane excellent properties.
By surface modifier, treated that micron metal powder surface contains active end group so that powder and polyurethane it
Between formed chemical coupling effect, interface cohesion is even closer, effectively avoids powder reuniting, the addition of powder is so that coating low temperature properties
It can be significantly improved with wear-resisting property.
In short, former polyurethane coating adhesive force is strong, excellent in mechanical performance, stabilization under room temperature retaining for present invention gained coating
On the basis of the features such as property is good, the addition of low temperature resistant polyester polyol is so that polyurethane coating low temperature performance excellent, micro-powder
So that coating hardness improves, to have excellent wear-resisting property.Coating prepared by coating of the present invention not only has good
Cryogenic property, wear-resisting property, and good adhesive force and stability possessed by also retaining coating itself.This coating energy
The protection under low temperature environment is provided for nonmetallic materials such as aircraft, wind electricity blades.
Detailed description of the invention
Fig. 1 is the surface Scanning Electron microscope figure of 1 polyurethane coating of embodiment.
Specific embodiment
With the drawings and specific embodiments, the present invention is described in further detail below, but it is not intended to limit the present invention
Implementation.
Embodiment 1
By the poly- sebacic acid of 50g-polybutadiene binary alcohol esters polyalcohol, the low temperature resistant polyester polyol BY3001 of 2g, 17g is through the moon
The ball aluminum powder that the diameter of cinnamic acid imidazoline processing is 13~18 μm, 30g n-butanol, 0.5g defoaming agent are uniformly mixed, and weigh 10g
4,4- methyl diphenylene diisocyanate curing agent are added in mixture, are uniformly mixed and obtain polyurethane coating.
Gained polyurethane coating is applied to material surface, ambient temperature curing 24 hours, obtains modified polyurethane coating, table
Surface scan electron microscope picture is as shown in Figure 1, it will be seen from figure 1 that the ball aluminum powder handled through lauric acid imidazoline is in figure layer
In be uniformly dispersed, do not occur apparent phenomenon of phase separation.
Embodiment 2
By the poly- sebacic acid of 45g-polybutadiene binary alcohol esters polyalcohol, 0.5g low temperature resistant polyester polyol BY3001,10g warp
The flake aluminum that the diameter of acetic acid n-butanol processing is 5~8 μm, (dimethylbenzene and methyl acetate are with 2:1 ratio for 50g double solvents
Mixing), 1g defoaming agent is uniformly mixed, and is weighed 5g Methylcyclohexyl diisocyanate curing agent and is added in mixture, is uniformly mixed
Obtain polyurethane coating.
By gained polyurethane coating, it is applied to material surface, ambient temperature curing 24 hours, obtains modified polyurethane coating.
Embodiment 3
By 60g 2- methyl-1, one of 5- pentanediol, the low temperature resistant polyester polyol BY3022 of 6g, 20g is through adipic acid
The spherical copper powder that the diameter of dibutyl ester processing is 10~15 μm, (isopropanol and n-butanol are mixed with 1:2 ratio for 35g double solvents
Close), 1.5g defoaming agent is uniformly mixed, and is weighed 10.8g benzene dimethylene diisocyanate curing agent and is added in mixture, mixing is equal
It is even to obtain polyurethane coating.
By gained polyurethane coating, it is applied to material surface, ambient temperature curing 24 hours, obtains modified polyurethane coating.
Embodiment 4
By the poly- sebacic acid of 55g-polybutadiene binary alcohol esters polyalcohol, the low temperature resistant polyester polyol BY3011 of 3g, 3g is through two
Vulcanize the flake copper powder that the diameter of 4 aminobenzenes processing is 8~12 μm, (dimethylbenzene and propyl acetate alcohol are with 5:1 for 40g double solvents
Ratio mixing), 3g defoaming agent is uniformly mixed, and it weighs 12g Methylcyclohexyl diisocyanate curing agent and is added in mixture, mixing
Uniformly obtain polyurethane coating.
By gained polyurethane coating, it is applied to material surface, ambient temperature curing 24 hours, obtains modified polyurethane coating.
It is attached according to standard GB/T 5210-2006 test material according to standard GB/T1731-1993 test material flexibility
Put forth effort, measure material tensile property according to standard ISO 523-2003, according to standard GB/T 6739-2006 test material hardness.
Coating adhesion, low temperature (- 30 DEG C) flexibility, tensile property and the hardness that each embodiment obtains are shown in Table 1；
The comparison of properties of coating obtained in 1 embodiment of table
As it can be seen from table 1 flexility is excellent at low temperature for present invention gained coating, coating mechanical property is preferable, changes
Property after hardness promoted.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, it will be apparent to an ordinarily skilled person in the art that technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (7)
1. a kind of low temperature resistant wear-resistant polyurethane coating, which is characterized in that by weight, the low temperature resistant wear-resistant polyurethane coating
Ingredient uses surface modifier including 45~60 parts of polyurethane matrix resins, 0.5~6 part of low temperature resistant polyester polyol, 3~20 parts
Modified micro-powder, 5~12 parts of curing agent, 30~50 parts of solvents, 0.5~3 part of defoaming agent, wherein
The polyurethane matrix resin is poly- decanedioic acid-polybutadiene binary alcohol esters polyalcohol, polyethylene glycol -1,4- butanediol
Adipate ester polyalcohol and 2- methyl-1, one of 5- pentanediol；
The low temperature resistant polyester polyol is selected from one of polyester polyol BY3001, BY3011, BY3022；
The micro-powder for using surface modifying agent is is modified using lauric acid imidazoline or dibutyl adipate
Micro-powder.
2. low temperature resistant wear-resistant polyurethane coating according to claim 1, which is characterized in that the micro-powder is that diameter is
13~18 μm of ball aluminum powder, the flake aluminum that diameter is 5~8 μm, the spherical copper powder that diameter is 10~15 μm and diameter be 8~
12 μm of one of flake copper powder.
3. low temperature resistant wear-resistant polyurethane coating according to claim 1, which is characterized in that the curing agent is diisocyanate
Ester.
4. low temperature resistant wear-resistant polyurethane coating according to claim 3, which is characterized in that the diisocyanate is 4,
One of 4 '-methyl diphenylene diisocyanates, Methylcyclohexyl diisocyanate and benzene dimethylene diisocyanate.
5. low temperature resistant wear-resistant polyurethane coating according to claim 1, which is characterized in that the solvent be arene,
One or more of alcohols and lipid organic solvent.
6. low temperature resistant wear-resistant polyurethane coating according to claim 5, which is characterized in that the arene organic solvent
For dimethylbenzene；The alcohol organic solvent is one or both of n-butanol and isopropanol；The lipid organic solvent is vinegar
Sour methyl esters.
7. a kind of preparation method of low temperature resistant wear-resistant polyurethane coating described in any one of claims 1-6, preparation method packet
Include following steps: 1) by polyurethane matrix resin, low temperature resistant polyester polyol, using surface modifying agent micro-powder,
Solvent, defoaming agent are uniformly mixed according to ratio described in claim 1 obtains mixture；2) by ratio described in claim 1
Curing agent be added in mixture, be uniformly mixed up to low temperature resistant wear-resistant polyurethane coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107796.4A CN106893466B (en) | 2017-02-27 | 2017-02-27 | A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107796.4A CN106893466B (en) | 2017-02-27 | 2017-02-27 | A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106893466A CN106893466A (en) | 2017-06-27 |
| CN106893466B true CN106893466B (en) | 2019-03-29 |
Family
ID=59185869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107796.4A Active CN106893466B (en) | 2017-02-27 | 2017-02-27 | A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106893466B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391190B (en) * | 2020-03-30 | 2022-02-15 | 大连日瑞铸模有限公司 | Composite resin casting mold and manufacturing method thereof |
| CN113088114A (en) * | 2021-04-08 | 2021-07-09 | 广东邦固化学科技有限公司 | Wear-resistant polyurethane coating and preparation method thereof |
| CN113698562B (en) * | 2021-07-21 | 2022-09-09 | 海兴红旗体育器材有限公司 | Solvent-free synthetic material applying ice and snow movement and preparation method thereof |
| CN113502113A (en) * | 2021-07-24 | 2021-10-15 | 宁波恒大防护用品有限公司 | PU wear-resistant coating, preparation method thereof and protective gloves |
| CN113817380A (en) * | 2021-09-29 | 2021-12-21 | 惠州市惠阳区嘉泰涂料有限公司 | Low-temperature-resistant water polyurethane modified silicone-acrylic anticorrosive paint and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570907A (en) * | 2012-07-19 | 2014-02-12 | 旭川化学（昆山）有限公司 | Low temperature resistance polyurethane sole material |
-
2017
- 2017-02-27 CN CN201710107796.4A patent/CN106893466B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570907A (en) * | 2012-07-19 | 2014-02-12 | 旭川化学（昆山）有限公司 | Low temperature resistance polyurethane sole material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106893466A (en) | 2017-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106893466B (en) | A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof | |
| CN106046287B (en) | A kind of preparation method of graphene modified aqueous polyurethane | |
| CN105348946A (en) | Matt release film | |
| CN107974188B (en) | Damping coating with interpenetrating network structure and preparation method thereof | |
| CN104046217A (en) | Preparation method of high strength superhydrophobic coating | |
| CN110724449B (en) | Polycarbonate modified wear-resistant coating and preparation method thereof | |
| CN111434739A (en) | Preparation method of explosion-proof bulletproof heat-preservation high-strength special coating | |
| CN109957969A (en) | A kind of carbon fiber sizing agent, preparation method, enhancing carbon fiber and carbon fibre composite | |
| CN113683952A (en) | Rubber hand-feeling anti-dazzle anti-fingerprint wear-resistant hardening liquid and preparation method thereof | |
| CN109575782A (en) | Graphene oxide modified polyurethane electrophoresis resin, polyurethane electrophoretic paint and preparation method thereof | |
| Jiang et al. | Effect of carbon fiber‐graphene oxide multiscale reinforcements on the thermo‐mechanical properties of polyurethane elastomer | |
| CN110028889A (en) | A kind of environment-protection functional water paint on plastic material | |
| CN109575777B (en) | Antistatic coating for radome and preparation method thereof | |
| CN109535971A (en) | A kind of wear-resistant self-lubricating coating and preparation method thereof | |
| CN111808464A (en) | Anti-static wear-resistant floor coating and preparation method thereof | |
| CN106243314A (en) | A kind of composite modified aqueous polyurethane and preparation method and application | |
| CN111560214A (en) | Super-amphiphobic composite coating and preparation method and application thereof | |
| CN109504240B (en) | High-adhesion thin-coating solvent type epoxy resin paint and preparation method thereof | |
| CN104448227B (en) | Composite polyurethane material and preparation method thereof | |
| Song et al. | Poly (methyl dihydroxybenzoate) modified waterborne polyurethane sizing coatings with chemical and hydrogen-bonded complex cross-linking structures for improving the surface wettability and mechanical properties of carbon fiber | |
| CN108912936A (en) | A kind of modified polyether ether ketone water based paint and preparation method thereof | |
| CN108059912A (en) | Aqueous polyurethane finishing coat for gas turbine blower blade and preparation method thereof | |
| CN109608952A (en) | Polyether ketone ketone reinforced fluorine resin vacuum-resistant scratch resistant coatings | |
| CN108546505A (en) | A kind of polyurethane coating of PET film and preparation method thereof | |
| CN115109506A (en) | Anticorrosive paint for fan blade and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |