CN108276888A - The preparation method of aluminum products surface coating - Google Patents

The preparation method of aluminum products surface coating Download PDF

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Publication number
CN108276888A
CN108276888A CN201810069190.0A CN201810069190A CN108276888A CN 108276888 A CN108276888 A CN 108276888A CN 201810069190 A CN201810069190 A CN 201810069190A CN 108276888 A CN108276888 A CN 108276888A
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CN
China
Prior art keywords
coating
mixture
reaction kettle
mixing speed
aluminum products
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.)
Pending
Application number
CN201810069190.0A
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Chinese (zh)
Inventor
童幼明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Sanshui Jin Heng Metal Products Co Ltd
Original Assignee
Foshan Sanshui Jin Heng Metal Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Sanshui Jin Heng Metal Products Co Ltd filed Critical Foshan Sanshui Jin Heng Metal Products Co Ltd
Priority to CN201810069190.0A priority Critical patent/CN108276888A/en
Publication of CN108276888A publication Critical patent/CN108276888A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses the preparation method of aluminum products surface coating, method includes:Organic solvent is poured into reaction kettle, agitating device, mixing speed 40-80r/min are opened;Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 300-450r/min, stirring 10-20min obtains mixture x until being completely dissolved;It adds a pigment in mixture x, mixing speed is adjusted to 200-250r/min, stirring 4-8min obtains mixture y until being completely dispersed;Temperature of reaction kettle is increased to 60-80 DEG C, levelling agent and antioxidant are added into mixture y, 20-30min is stirred, obtains coating;Coating is sieved by 100-200 mesh, filtrate is taken, obtains aluminum products surface coating.Coating prepared by this preparation method is applied when on aluminum products, and coating adhesion is strong, and uniform coating thickness, coating surface is smooth, and flatness is high, and preparation section is simple, with low raw-material cost, excellent combination property.

Description

The preparation method of aluminum products surface coating
Technical field
The present invention relates to technical field of coatings more particularly to the preparation methods of aluminum products surface coating.
Background technology
As aluminum products, either anti-corrosion, or it is essential in its one coating of surface smear for beauty.
But one feature of aluminum products is exactly surface smoother, coating prepared by existing method is applied to its table When face, paint film is easy to fall off, and many paint can not be strong bonded in aluminum alloy surface, shows poor adhesive force, adhesive is weak Characteristic.
Invention content
In view of this, the present invention provides the preparation methods of aluminum products surface coating.
The preparation method of aluminum products surface coating, method include:
Organic solvent is poured into reaction kettle, agitating device, mixing speed 40-80r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 300-450r/min, Stirring 10-20min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 200-250r/min, 4-8min is stirred, until dividing completely It dissipates, obtains mixture y;
Temperature of reaction kettle is increased to 60-80 DEG C, levelling agent and antioxidant are added into mixture y, stirs 20- 30min obtains coating;
Coating is sieved by 100-200 mesh, filtrate is taken, obtains aluminum products surface coating.
Preferably, method includes:
Organic solvent is poured into reaction kettle, agitating device, mixing speed 50-70r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 340-420r/min, Stirring 13-18min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 210-240r/min, 5-7min is stirred, until dividing completely It dissipates, obtains mixture y;
Temperature of reaction kettle is increased to 66-75 DEG C, levelling agent and antioxidant are added into mixture y, stirs 22- 27min obtains coating;
Coating is sieved by 130-180 mesh, filtrate is taken, obtains aluminum products surface coating.
Preferably, method includes:
Organic solvent is poured into reaction kettle, agitating device, mixing speed 65r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 380r/min, is stirred 15min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 220r/min, stirring 6min is obtained until being completely dispersed Mixture y;
Temperature of reaction kettle is increased to 72 DEG C, levelling agent and antioxidant are added into mixture y, 25min is stirred, obtains To coating;
Coating is sieved by 150 mesh, filtrate is taken, obtains aluminum products surface coating.
Preferably, further include weighing polyurethane resin, rosin, linseed oil, pigment, organic solvent, levelling agent and antioxygen Agent.
Preferably, further include weighing on aluminum products surface with coating, packaging.
Preferably, the organic solvent be ethyl acetate, butyl acetate, toluene, dimethylbenzene and ethylene glycol at least It is a kind of.
Preferably, the levelling agent is organosilicon levelling agent.
Preferably, the antioxidant is 2,6- three-level butyl -4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy benzenes Base) one kind in thioether and four (β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol esters.
The present invention provides the preparation method of aluminum products surface coating, coating prepared by this preparation method is applied in aluminum When on product, coating adhesion is strong, and uniform coating thickness, coating surface is smooth, and flatness is high, and preparation section is simple, with raw material at This cheap, excellent combination property.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The scope of protection of the invention.
It should be appreciated that ought use in this specification and in the appended claims, term " comprising " and "comprising" instruction Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded Body, step, operation, element, component and/or its presence or addition gathered.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is Refer to any combinations and all possible combinations of one or more of associated item listed, and includes these combinations.
Embodiment 1
Aluminum products surface coating, by mass fraction, its material component includes:
Preparation method is:
Weigh polyurethane resin, rosin, linseed oil, pigment, ethyl acetate, dimethyl silicone polymer and 2,6- three-level fourths Base -4- methylphenols;
Ethyl acetate is poured into reaction kettle, agitating device, mixing speed 80r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 450r/min, is stirred 10min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 250r/min, stirring 4min is obtained until being completely dispersed Mixture y;
Temperature of reaction kettle is increased to 80 DEG C, by dimethyl silicone polymer and 2,6- three-level butyl -4- methylphenols add Enter into mixture y, stirs 20min, obtain coating;
Coating is sieved by 200 mesh, filtrate is taken, obtains aluminum products surface coating;
Aluminum products surface is weighed with coating, is packed.
Embodiment 2
Aluminum products surface coating, by mass fraction, its material component includes:
Preparation method is:
Weigh polyurethane resin, rosin, linseed oil, pigment, butyl acetate, polyether polyester azo polyether polyeste and double (3,5- three-level butyl -4- hydroxy phenyls) thioether;
Butyl acetate is poured into reaction kettle, agitating device, mixing speed 70r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 340r/min, is stirred 18min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 240r/min, stirring 5min is obtained until being completely dispersed Mixture y;
Temperature of reaction kettle is increased to 66 DEG C, by polyether polyester azo polyether polyeste and bis- (3,5- three-level butyl -4- Hydroxy phenyl) thioether is added into mixture y, and 22min is stirred, coating is obtained;
Coating is sieved by 180 mesh, filtrate is taken, obtains aluminum products surface coating;
Aluminum products surface is weighed with coating, is packed.
Embodiment 3
Aluminum products surface coating, by mass fraction, its material component includes:
Preparation method is:
Weigh polyurethane resin, rosin, linseed oil, pigment, toluene, alkyl-modified organosiloxane and four (β-(3,5- Three-level butyl -4- hydroxy phenyls) propionic acid) pentaerythritol ester;
Toluene is poured into reaction kettle, agitating device, mixing speed 40r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 300r/min, is stirred 20min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 200r/min, stirring 8min is obtained until being completely dispersed Mixture y;
Temperature of reaction kettle is increased to 60 DEG C, by alkyl-modified organosiloxane and four (β-(3,5- three-level butyl -4- Hydroxy phenyl) propionic acid) pentaerythritol ester is added into mixture y, and 30min is stirred, coating is obtained;
By coating through sieving with 100 mesh sieve, filtrate is taken, aluminum products surface coating is obtained;
Aluminum products surface is weighed with coating, is packed.
Embodiment 4
Aluminum products surface coating, by mass fraction, its material component includes:
Preparation method is:
Weigh polyurethane resin, rosin, linseed oil, pigment, ethyl acetate and butyl acetate, dimethyl silicone polymer with And 2,6- three-level butyl -4- methylphenols;
Ethyl acetate and butyl acetate are poured into reaction kettle, agitating device, mixing speed 50r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 420r/min, is stirred 13min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 210r/min, stirring 7min is obtained until being completely dispersed Mixture y;
Temperature of reaction kettle is increased to 75 DEG C, by dimethyl silicone polymer and 2,6- three-level butyl -4- methylphenols add Enter into mixture y, stirs 27min, obtain coating;
Coating is sieved by 130 mesh, filtrate is taken, obtains aluminum products surface coating;
Aluminum products surface is weighed with coating, is packed.
Embodiment 5
Aluminum products surface coating, by mass fraction, its material component includes:
Preparation method is:
Weigh polyurethane resin, rosin, linseed oil, pigment, ethylene glycol, polyether polyester azo polyether polyeste and double (3,5- three-level butyl -4- hydroxy phenyls) thioether;
Ethylene glycol is poured into reaction kettle, agitating device, mixing speed 65r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 380r/min, is stirred 15min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 220r/min, stirring 6min is obtained until being completely dispersed Mixture y;
Temperature of reaction kettle is increased to 72 DEG C, by polyether polyester azo polyether polyeste and bis- (3,5- three-level butyl -4- Hydroxy phenyl) thioether is added into mixture y, and 25min is stirred, coating is obtained;
Coating is sieved by 150 mesh, filtrate is taken, obtains aluminum products surface coating;
Aluminum products surface is weighed with coating, is packed.
Coating prepared by above-described embodiment 1-5 preparation methods is applied on aluminum products, the cated aluminum products of measuring band Performance, adhesive force intensity press GB/T7760-2003 standard testings, carry out the test of 180 degree peel strength, and performance data is as follows:
This coating is can be seen that according to the data in table to apply when on aluminum products, coating adhesion is strong, 180 degree stripping Intensity can averagely reach 15kN/m or more, and uniform coating thickness, flatness is high, and coating surface is smooth, and glossiness can reach 95% or more.
And this preparation section is simple, with low raw-material cost, excellent combination property.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
It is described in detail herein, applies specific case and the principle of the present invention and embodiment are explained It states, above example is merely used to help understand the method and its core concept of the present invention;Meanwhile for the general skill of this field Art personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this Description should not be construed as limiting the invention.

Claims (8)

1. the preparation method of aluminum products surface coating, which is characterized in that method includes:
Organic solvent is poured into reaction kettle, agitating device, mixing speed 40-80r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 300-450r/min, is stirred 10-20min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 200-250r/min, stirring 4-8min is obtained until being completely dispersed To mixture y;
Temperature of reaction kettle is increased to 60-80 DEG C, levelling agent and antioxidant are added into mixture y, stirs 20-30min, Obtain coating;
Coating is sieved by 100-200 mesh, filtrate is taken, obtains aluminum products surface coating.
2. preparation method according to claim 1, which is characterized in that method includes:
Organic solvent is poured into reaction kettle, agitating device, mixing speed 50-70r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 340-420r/min, is stirred 13-18min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 210-240r/min, stirring 5-7min is obtained until being completely dispersed To mixture y;
Temperature of reaction kettle is increased to 66-75 DEG C, levelling agent and antioxidant are added into mixture y, stirs 22-27min, Obtain coating;
Coating is sieved by 130-180 mesh, filtrate is taken, obtains aluminum products surface coating.
3. preparation method according to claim 2, which is characterized in that method includes:
Organic solvent is poured into reaction kettle, agitating device, mixing speed 65r/min are opened;
Polyurethane resin, rosin and linseed oil are added into reaction kettle, mixing speed is adjusted to 380r/min, is stirred 15min obtains mixture x until being completely dissolved;
It adds a pigment in mixture x, mixing speed is adjusted to 220r/min, stirring 6min is mixed until being completely dispersed Object y;
Temperature of reaction kettle is increased to 72 DEG C, levelling agent and antioxidant are added into mixture y, 25min is stirred, is applied Material;
Coating is sieved by 150 mesh, filtrate is taken, obtains aluminum products surface coating.
4. according to any preparation methods of claim 1-3, it is characterised in that:Further include weigh polyurethane resin, rosin, Linseed oil, pigment, organic solvent, levelling agent and antioxidant.
5. according to any preparation methods of claim 1-3, it is characterised in that:Further include by aluminum products surface coating into Row weighs, packaging.
6. according to any preparation methods of claim 1-3, it is characterised in that:The organic solvent is ethyl acetate, second At least one of acid butyl ester, toluene, dimethylbenzene and ethylene glycol.
7. according to any preparation methods of claim 1-3, it is characterised in that:The levelling agent is organosilicon levelling agent.
8. according to any preparation methods of claim 1-3, it is characterised in that:The antioxidant is 2,6- three-levels butyl- 4- methylphenols, bis- (3,5- three-level butyl -4- hydroxy phenyls) thioethers and four (β-(3,5- three-level butyl -4- hydroxy phenyls) Propionic acid) one kind in pentaerythritol ester.
CN201810069190.0A 2018-01-24 2018-01-24 The preparation method of aluminum products surface coating Pending CN108276888A (en)

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CN201810069190.0A CN108276888A (en) 2018-01-24 2018-01-24 The preparation method of aluminum products surface coating

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Application Number Priority Date Filing Date Title
CN201810069190.0A CN108276888A (en) 2018-01-24 2018-01-24 The preparation method of aluminum products surface coating

Publications (1)

Publication Number Publication Date
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1181403A (en) * 1996-10-29 1998-05-13 招远市聚氨酯制品有限公司 Method for prepn. of polyurethane anti-corrosion paint and its products
CN101245201A (en) * 2008-03-21 2008-08-20 杨建平 Thermoplastic powder electrically-conducting paint/printing ink and manufacture method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1181403A (en) * 1996-10-29 1998-05-13 招远市聚氨酯制品有限公司 Method for prepn. of polyurethane anti-corrosion paint and its products
CN101245201A (en) * 2008-03-21 2008-08-20 杨建平 Thermoplastic powder electrically-conducting paint/printing ink and manufacture method thereof

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