CN106833165A - A kind of superpower weather-proof pure fluorocarbon powder paint used for aluminum surface and its preparation method and application - Google Patents
A kind of superpower weather-proof pure fluorocarbon powder paint used for aluminum surface and its preparation method and application Download PDFInfo
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- CN106833165A CN106833165A CN201710149913.3A CN201710149913A CN106833165A CN 106833165 A CN106833165 A CN 106833165A CN 201710149913 A CN201710149913 A CN 201710149913A CN 106833165 A CN106833165 A CN 106833165A
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- powder paint
- aluminum surface
- fluorocarbon powder
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
Abstract
The invention discloses one kind superpower weather-proof pure fluorocarbon powder paint used for aluminum surface and its preparation method and application.The superpower weather-proof pure fluorocarbon powder paint used for aluminum surface is made up of the raw material of following weight percentage：FEVE fluorocarbon resins 62 70%, IPDI 14.5 17.5%, chloride process titanium dioxide 3 17%, blanc fixe 0 5%, levelling agent 1.5 2.0%, brightener 0.3 0.8%, stannous octoate catalyst 0 0.5%, antioxidant 0.2 0.4%, flexibility agent 3 8%, nano titanium oxide 0.5 3%, styrax 0.2 0.5%, polytetrafluoroethylene (PTFE) 0.3 1%, carbon black 0.05 0.2%.The superpower weather-proof pure fluorocarbon powder paint used for aluminum surface undopes the standby brand-new pure fluorocarbon powder paint of other resin-mades with fluorocarbon resin as base-material, significantly improve the weatherability of film, and domestic existing fluorocarbon powder paint adhesive force can be overcome, impact resistance is not good enough, yellowing resistance is poor, the obvious problem of surface tangerine peel.
Description
Technical field
The invention belongs to art of powder coatings, and in particular to a kind of superpower weather-proof pure fluorocarbon powder paint used for aluminum surface and its
Preparation method and application.
Background technology
The pure fluorocarbon powder paint weatherability of thermosetting is extremely excellent, and outdoor application is 20-30.But, current state
Interior technology is ripe not enough, and such as the adhesive force of coating, impact resistance be not good enough, yellowing resistance is poor, surface tangerine peel is obvious.Therefore,
During most of manufacturer uses 20%-30% super-weatherable polyether resins to be modified to improve disadvantages described above, but this can make coating
Fluororesin content substantially reduce, it will be apparent that reduce the weatherability of film.In order to meet various Super High mansions, bridge spanning the sea
Etc. permanent terrestrial reference class building to the supporting coating needs of institute, this kind of building is set to remain to sustain its quality through age under stern climate environment,
Therefore, urgent need research and development one kind compared with strong adhesive force, impact resistance, yellowing resistance and does not influence with superpower weatherability and decoration
The pure fluorocarbon powder paint of property, to meet the demand of domestic user.
The content of the invention
To solve the shortcoming and defect part of prior art, primary and foremost purpose of the invention is to provide a kind of with superpower resistance to
Wait property and do not influence compared with strong adhesive force, impact resistance, yellowing resistance and ornamental superpower weather-proof pure fluorine carbon dust used for aluminum surface
Last coating, to meet the demand of domestic user.
Preparation method another object of the present invention is to provide above-mentioned superpower weather-proof pure fluorocarbon powder paint used for aluminum surface.
It is still another object of the present invention to provide the application of above-mentioned superpower weather-proof pure fluorocarbon powder paint used for aluminum surface.
The object of the invention is achieved through the following technical solutions：
A kind of superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, is made up of the raw material of following weight percentage：
Said components percentage by weight sum is 100%.
Wherein, the FEVE fluorocarbon resins are the copolymers of CTFE and vinyl ethers alkylol, and hydroxyl value is 46-
53mgKOH/g, 50-54 DEG C of glass transition temperature；
The IPDI NCO total amounts are 14.8-15.7%；
The stannous octoate catalyst proportion is 1.44-1.52；
The flexibility agent is the modified polymer of acrylic resin, 25-35 μm of particle diameter；
The nano titanium oxide is 78-98wt% titanium dioxide, 0-15wt% aluminium hydroxides and 0-7wt% zirconium hydroxides
Mixture.The titanium dioxide, aluminium hydroxide and zirconium hydroxide are nanoscale.
Described polytetrafluoroethylene (PTFE) median is 3-5 μm.
A kind of preparation method of above-mentioned superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, including following operating procedure：
(1) it is pre-mixed in the raw material of the formula being put into compounding jar together, the premixing time is usually 3-4 minutes i.e.
Can be well mixed：
(2) raw material of premixing are carried out into melting extrusion, compressing tablet is crushed；
(3) broken material is carried out finely pulverized；
(4) finely pulverized material sieving is classified into powdery paints.
Application of the described a kind of used for aluminum surface superpower weather-proof pure fluorocarbon powder paint in aluminium closes surface.
Compared with prior art, the present invention has advantages below and beneficial effect：
(1) present invention provides a kind of other resin-mades that all undoped with fluorocarbon resin as base-material standby brand-new pure fluorine
Fluoropolymer Powder Coatings, so as to significantly improve the weatherability of film, and can overcome domestic existing fluorocarbon powder paint adhesive force, resistance to punching
Hitting property is not good enough, yellowing resistance is poor, the obvious problem of surface tangerine peel.
(2) present invention not only reduces paint solidification temperature and reduces hardening time using stannous octoate as catalyst, and
And fluororesin and curing agent can be promoted fully to react, improve film adhesive, impact resistance.
(3) it is 3-5 μm of polytetrafluoroethylene (PTFE) median to be added in inventive formulation, dramatically improves film
Hardness, and do not interfere with the weather resistance of film.
(4) present invention is applied to existing equipment, workable, it is to avoid the numerous and diverse production of similar superpower weather-proof product
Technique.
Brief description of the drawings
Fig. 1 is the flow chart of the preparation method of superpower weather-proof pure fluorocarbon powder paint used for aluminum surface of the invention.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.Methods described is conventional method unless otherwise instructed, and the raw material unless otherwise instructed can be from open commercial sources
And obtain.Following examples are in parts by mass.
The brightener used in following examples and comparative example is Ningbo South-sea Chemical Co., Ltd. 701B；Levelling agent is peaceful
Ripple South Sea Chemical Co., Ltd. 388 or 588；Antioxidant is pentaerythritol ester；FEVE fluorocarbon resins are CTFE and second
The copolymer of alkene ether alkylol, hydroxyl value is 46-53mgKOH/g, 50-54 DEG C of glass transition temperature；Flexibility agent is acrylic resin
Modified polymer, 25-35 μm of particle diameter.
Embodiment 1
It is prepared according to the following steps superpower weather-proof pure fluorocarbon powder paint used for aluminum surface：
(1) by following raw material premixings by weight percentage：
Wherein, the FEVE fluorocarbon resins hydroxyl value is 46mgKOH/g；The isophorone diisocyanate trimer NCO
Total amount is 14.8%；The flexibility agent is that particle diameter is 25 μm；Described polytetrafluoroethylene (PTFE) median is 5 μm.
(2) that the raw material after premixing are carried out into melting mixing with double screw extruder is dispersed and extrude, wherein, squeeze
The area's temperature of Chu Ji I is 115-125 DEG C, and the temperature in the area of extruder II is 105-115 DEG C, extrusion screw rod frequency 30-50Hz；Compressing tablet,
Coarse crushing；
(3) broken material is ground with ACM carries out classification grinding, main mill frequency 40-55Hz, pair mill frequency 25-45Hz；
(4) finely pulverized material is crossed into 160-180 mesh standard sieves and is classified into powdery paints.
It is obtained by powdery paints obtained above and by documents 1 (patent No. ZL201410060691.4) embodiment 1
Powder is tested by relevant criterion (GSB AL 631), the data for obtaining such as table 1：
The embodiment 1 of table 1 and the properties of product test result of documents 1
| Embodiment 1 | Documents 1 | |
| 313B lamps accelerated ageing 2500 hours | Light-protection rate 95% | 75% |
| Color inhibition aberration | 1.23 | 3.25 |
| Appearance of film | Without tangerine peel | Obvious tangerine peel |
Embodiment 2
It is prepared according to the following steps superpower weather-proof pure fluorocarbon powder paint used for aluminum surface：
(1) by following raw material premixings by weight percentage：
Wherein, the FEVE fluorocarbon resins hydroxyl value is 47mgKOH/g；The isophorone diisocyanate trimer NCO
Total amount is 15%；The flexibility agent is that particle diameter is 27 μm；Described polytetrafluoroethylene (PTFE) median is 4.5 μm.
(2) that the raw material after premixing are carried out into melting mixing with double screw extruder is dispersed and extrude, wherein, squeeze
The area's temperature of Chu Ji I is 115-125 DEG C, and the temperature in the area of extruder II is 105-115 DEG C, extrusion screw rod frequency 30-50Hz；Compressing tablet,
Coarse crushing；
(3) broken material is ground with ACM carries out classification grinding, main mill frequency 40-55Hz, pair mill frequency 25-45Hz；
(4) finely pulverized material is crossed into 160-180 mesh standard sieves and is classified into powdery paints.
It is obtained by powdery paints obtained above and by documents 1 (patent No. ZL201410060691.4) embodiment 1
Powder is tested by relevant criterion (GSB AL 631), the data for obtaining such as table 2：
The embodiment 2 of table 2 and the properties of product test result of documents 1
| Embodiment 2 | Documents 1 | |
| 313B lamps accelerated ageing 2500 hours | Light-protection rate 93% | 75% |
| Color inhibition aberration | 1.33 | 3.25 |
| Appearance of film | Without tangerine peel | Obvious tangerine peel |
Embodiment 3
It is prepared according to the following steps superpower weather-proof pure fluorocarbon powder paint used for aluminum surface：
(1) by following raw material premixings by weight percentage：
Wherein, the FEVE fluorocarbon resins hydroxyl value is 48mgKOH/g；The isophorone diisocyanate trimer NCO
Total amount is 15.2%；The flexibility agent is that particle diameter is 29 μm；Described polytetrafluoroethylene (PTFE) median is 4.8 μm.
(2) that the raw material after premixing are carried out into melting mixing with double screw extruder is dispersed and extrude, wherein, squeeze
The area's temperature of Chu Ji I is 115-125 DEG C, and the temperature in the area of extruder II is 105-115 DEG C, extrusion screw rod frequency 30-50Hz；Compressing tablet,
Coarse crushing；
(3) broken material is ground with ACM carries out classification grinding, main mill frequency 40-55Hz, pair mill frequency 25-45Hz；
(4) finely pulverized material is crossed into 160-180 mesh standard sieves and is classified into powdery paints.
It is obtained by powdery paints obtained above and by documents 1 (patent No. ZL201410060691.4) embodiment 1
Powder is tested by relevant criterion (GSB AL 631), the data for obtaining such as table 3：
The embodiment 3 of table 3 and the properties of product test result of documents 1
| Embodiment 3 | Documents 1 | |
| 313B lamps accelerated ageing 2500 hours | Light-protection rate 95% | 75% |
| Color inhibition aberration | 1.45 | 3.25 |
| Appearance of film | Without tangerine peel | Obvious tangerine peel |
Embodiment 4
It is prepared according to the following steps superpower weather-proof pure fluorocarbon powder paint used for aluminum surface：
(1) by following raw material premixings by weight percentage：
Wherein, the FEVE fluorocarbon resins hydroxyl value is 50mgKOH/g；The isophorone diisocyanate trimer NCO
Total amount is 15.2%；The flexibility agent is that particle diameter is 31 μm；Described polytetrafluoroethylene (PTFE) median is 4 μm.
(2) that the raw material after premixing are carried out into melting mixing with double screw extruder is dispersed and extrude, wherein, squeeze
The area's temperature of Chu Ji I is 115-125 DEG C, and the temperature in the area of extruder II is 105-115 DEG C, extrusion screw rod frequency 30-50Hz；Compressing tablet,
Coarse crushing；
(3) broken material is ground with ACM carries out classification grinding, main mill frequency 40-55Hz, pair mill frequency 25-45Hz；
(4) finely pulverized material is crossed into 160-180 mesh standard sieves sieve classification into powdery paints.
It is obtained by powdery paints obtained above and by documents 1 (patent No. ZL201410060691.4) embodiment 1
Powder is tested by relevant criterion (GSB AL 631), the data for obtaining such as table 4：
The embodiment 4 of table 4 and the properties of product test result of documents 1
| Embodiment 3 | Documents 1 | |
| 313B lamps accelerated ageing 2500 hours | Light-protection rate 96% | 75% |
| Color inhibition aberration | 1.56 | 3.25 |
| Appearance of film | Without tangerine peel | Obvious tangerine peel |
Embodiment 5
It is prepared according to the following steps superpower weather-proof pure fluorocarbon powder paint used for aluminum surface：
(1) by following raw material premixings by weight percentage：
Wherein, the FEVE fluorocarbon resins hydroxyl value is 53mgKOH/g；The isophorone diisocyanate trimer NCO
Total amount is 14.8%；The flexibility agent is that particle diameter is 35 μm；Described polytetrafluoroethylene (PTFE) median is 5 μm.
(2) that the raw material after premixing are carried out into melting mixing with double screw extruder is dispersed and extrude, wherein, squeeze
The area's temperature of Chu Ji I is 115-125 DEG C, and the temperature in the area of extruder II is 105-115 DEG C, extrusion screw rod frequency 30-50Hz；Compressing tablet,
Coarse crushing；
(3) broken material is ground with ACM carries out classification grinding, main mill frequency 40-55Hz, pair mill frequency 25-45Hz；
(4) finely pulverized material is crossed into 160-180 mesh standard sieves sieve classification into powdery paints.
It is obtained by powdery paints obtained above and by documents 1 (patent No. ZL201410060691.4) embodiment 1
Powder is tested by relevant criterion (GSB AL 631), the data for obtaining such as table 5：
The embodiment 5 of table 5 and the properties of product test result of documents 1
| Embodiment 3 | Documents 1 | |
| 313B lamps accelerated ageing 2500 hours | Light-protection rate 95% | 75% |
| Color inhibition aberration | 1.64 | 3.25 |
| Appearance of film | Without tangerine peel | Obvious tangerine peel |
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that by the raw material of following weight percentage
Composition：
Said components percentage by weight sum is 100%.
2. one kind according to claim 1 superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that described
FEVE fluorocarbon resins are the copolymers of CTFE and vinyl ethers alkylol, and hydroxyl value is 46-53mgKOH/g, vitrifying temperature
50-54 DEG C of degree.
3. one kind according to claim 1 superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that described different
Isophorone diisocyanate NCO total amounts are 14.8-15.7%.
4. one kind according to claim 1 superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that described pungent
Sour stannous catalyst proportion is 1.44-1.52.
5. one kind according to claim 1 superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that described soft
Tough dose is the modified polymer of acrylic resin, 25-35 μm of particle diameter.
6. one kind according to claim 1 superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that described to receive
Rice titanium dioxide is the mixture of 78-98wt% titanium dioxide, 0-15wt% aluminium hydroxides and 0-7wt% zirconium hydroxides.
7. one kind according to claim 1 superpower weather-proof pure fluorocarbon powder paint used for aluminum surface, it is characterised in that described
Polytetrafluoroethylene (PTFE) median is 3-5 μm.
8. the preparation method of a kind of used for aluminum surface superpower weather-proof pure fluorocarbon powder paint described in any one of claim 1 to 7, its
It is characterised by, including following operating procedure：
(1) it is pre-mixed in the raw material of the formula being put into compounding jar together：
(2) raw material of premixing are carried out into melting extrusion, compressing tablet is crushed；
(3) broken material is carried out finely pulverized；
(4) finely pulverized material sieving is classified into powdery paints.
9. a kind of used for aluminum surface superpower weather-proof pure fluorocarbon powder paint described in any one of claim 1 to 7 is in aluminium closes surface
Application.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286764A (en) * | 2017-07-05 | 2017-10-24 | 巨化集团技术中心 | A kind of fluorine-containing powder paint compositions of antifrost and preparation method thereof |
| CN107446426A (en) * | 2017-09-11 | 2017-12-08 | 佛山市顺德区德福生金属粉末有限公司 | A kind of high-performance FEVE fluorocarbon powder paint formulas and preparation method thereof |
| CN107868521A (en) * | 2017-11-13 | 2018-04-03 | 济南大学 | Modified fluoride-containing cold coating and its preparation and application |
| CN107868532A (en) * | 2017-11-16 | 2018-04-03 | 河北汉光重工有限责任公司 | A kind of weather resistance fluorocarbon powdery paints and preparation method thereof |
| CN114686079A (en) * | 2022-03-03 | 2022-07-01 | 广东坚美铝型材厂（集团）有限公司 | High-weather-resistance aluminum alloy wood grain profile and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286764A (en) * | 2017-07-05 | 2017-10-24 | 巨化集团技术中心 | A kind of fluorine-containing powder paint compositions of antifrost and preparation method thereof |
| CN107446426A (en) * | 2017-09-11 | 2017-12-08 | 佛山市顺德区德福生金属粉末有限公司 | A kind of high-performance FEVE fluorocarbon powder paint formulas and preparation method thereof |
| CN107868521A (en) * | 2017-11-13 | 2018-04-03 | 济南大学 | Modified fluoride-containing cold coating and its preparation and application |
| CN107868532A (en) * | 2017-11-16 | 2018-04-03 | 河北汉光重工有限责任公司 | A kind of weather resistance fluorocarbon powdery paints and preparation method thereof |
| CN114686079A (en) * | 2022-03-03 | 2022-07-01 | 广东坚美铝型材厂（集团）有限公司 | High-weather-resistance aluminum alloy wood grain profile and preparation method thereof |
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