CN104774539A - Smooth-faced hammer powder coating used for automobile parts as well as preparation method and application thereof - Google Patents
Smooth-faced hammer powder coating used for automobile parts as well as preparation method and application thereof Download PDFInfo
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- CN104774539A CN104774539A CN201510194167.0A CN201510194167A CN104774539A CN 104774539 A CN104774539 A CN 104774539A CN 201510194167 A CN201510194167 A CN 201510194167A CN 104774539 A CN104774539 A CN 104774539A
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- China
- Prior art keywords
- powder coating
- auto parts
- continuous line
- parts machinery
- line powder
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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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
- 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
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/28—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for wrinkle, crackle, orange-peel, or similar decorative effects
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of powder coatings and in particular relates to a smooth-faced hammer powder coating used for automobile parts as well as a preparation method and application thereof. The smooth-faced hammer powder coating used for automobile parts is prepared from the following raw materials by weight percent: 60-70% of polyester resin, 4-7% of smooth-faced effect curing agent, 7-9% of curing agent 1, 9-11% of curing agent 2, 2-4% of levelling agent, 0.3-0.6% of defoaming agent, 1.1-1.6% of other additives, 2-7.5% of filler and 2.3-5.9% of pigments. The smooth-faced hammer powder coating has excellent decorativeness and temperature, light, weather and pollution resistance, has a good ventilation function, is suitable for cast iron, cast aluminium and galvanized parts, can be used for covering up the defects of the surfaces of rough workpieces and providing fashionable appearances, is suitable for various metal workpieces and automobile parts, and can meet the export requirements.
Description
Technical field
The invention belongs to powder coating technology field, be specifically related to a kind of auto parts machinery continuous line powder coating and its preparation method and application.
Background technology
The application of powder coating on automobile component, started from for 20 century 70 mid-terms, and as parts such as hanger parts, engine base substrate, oil rectifier, air purifier and brake pipes, its first-selected kind is epoxide powder coating; For the powder coating of the external application hardwares such as door and window assembly, rain brush, luggage carrier, collision bumper, then with polyester or acrylic acid or the like for preferred system.These powder coating are generally low gloss black or Dark grey product.
Along with the application development of powder coating on auto parts machinery, people have no longer been satisfied with dull gloss or the decoration of colour-change to the various workpiece that will apply, art-type powder coatings has decorative pattern clearly attractive in appearance owing to making film coated surface, to the workpiece be coated with attractive in appearance, colorful outward appearance, or make the defect on coated article surface cover up by its texture effect, improve the ornamental of film, obtain the unapproachable decorative effect of general decor powder coating.Three-dimensional crimping powder coating (Wrinkle Texture Powder Coatings), as the one in thermoset, art-type powder coatings, the same with the art-type powder coatings of other classifications, not only decorative pattern is attractive in appearance, by force ornamental, and there is the fine and smooth soft and level and smooth feature of feel, coarse, the rough defect of workpiece surface can be made up.
Summary of the invention
The object of this invention is to provide the continuous line powder coating of a kind of auto parts machinery, there is excellent outdoor weatherability and anti-aging degradation property, can realize stablizing good physicochemical characteristics; Invention also provides the preparation method and application of auto parts machinery with continuous line powder coating, scientific and reasonable, simple.
The continuous line powder coating of auto parts machinery of the present invention, be made up of the raw material of following weight percent:
Described vibrin is hydroxyl telechelic polyester resin; Preferred REAGEM5110, the emerging Industrial Co., Ltd. of upper seawater provides.
Described continuous effect solidifying agent is polyurethane curing agent; Preferred cyanogen spy 1174, Guangzhou Tian Long macromolecular material Science and Technology Ltd. provides.
Described solidifying agent 1 is isocyanate curing agent; Preferred B1530, Guangzhou Hao Yi Chemical Industry Science Co., Ltd provides.
Described solidifying agent 2 is PU solidifying agent; Preferred NW-5, Dongguan Gao Qi Chemical Co., Ltd. provides.
Described flow agent is decentralized esters of acrylic acid flow agent, and its effective constituent is polyacrylic ester and dispersible carrier SiO
2; Preferred GLP588, Ningbo South-sea Chemical Co., Ltd. produces.
Described defoamer is st-yrax, and chemical name is 1,2-phenylbenzene-2-hydroxyl-1-ethyl ketone, and do froth breaking use, Ningbo South-sea Chemical Co., Ltd. provides.
Other described auxiliary agent is oxidation inhibitor and wilkinite.
Described organobentonite is the modified montmorillonite used organic clay of organic ammonium, and preferred JF-38, Dongguan City Guo Meng novel material Science and Technology Ltd. provides.
Described oxidation inhibitor chemical name be four [β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid, preferably 1076, the extensive chemical industry in Henan provides.
Described pigment and filler are pigment and the filler of the use of ordinary powder coating, are that those skilled in the art's routine is selected, the preferred ultra-fine barium sulfate of filler, pigment optimization carbon black, iron oxide yellow and titanium dioxide.
Auto parts machinery of the present invention is take raw material, batch mixing, extrude, compressing tablet, cooling, pulverizing, abrasive dust, cross screen sizing, detect and pack, and to get final product by the preparation method of continuous line powder coating.
The auto parts machinery of the present invention preparation method of continuous line powder coating, concrete steps are as follows:
Raw material → batch mixing → extrude → compressing tablet → cooling → pulverizing → abrasive dust → mistake screen sizing → carry out detection to auto parts machinery with continuous line powder coating to pack → finished product is taken by the continuous line powder coating formulation of auto parts machinery.
Adopt electric drying oven with forced convection heating when auto parts machinery of the present invention is this powder coating solidification with the application of continuous line powder coating, solidification value is 180-200 DEG C, and set time is 15-20min.
Auto parts machinery of the present invention is as follows with the coating curing process of continuous line powder coating:
Workpiece surface pre-treatment → spray car accessory continuous line powder coating → 180-200 DEG C/15-20min electric drying oven with forced convection heating levelling solidifying → defective reprocesses → final qualified workpiece warehouse-in.
The present invention compared with prior art, has following beneficial effect:
The present invention adopts hydroxyl telechelic polyester resin and the collocation such as isocyanic ester, polyurethane curing agent of low hydroxyl value, forms the coating with wrinkle effect, belongs to weather resistance crimping powder coating, has excellent outdoor weatherability and anti-aging degradation property.After the present invention is sprayed at automobile component, coating has excellent mechanical property and sticking power, resistance to chemical corrosion and water boiling resistance, meet the service requirements of automobile outdoor environment, thin continuous effect powder coating has unique texture as silk simultaneously, feel smooth, visual but as gritty in brocade, coating film gloss is 2 ± 0.5%, belongs to without optical range, to the different visual experience of people, reach the grain effect requirement of client, therefore can meet the indices required for automobile use.
The present invention has excellent ornamental, heatproof, fast light, weather resisteant and stain resistance, and good airing function, is applicable to cast iron, cast aluminium, galvanized workpiece, can covers up the shortcoming of coarse workpiece surface, provide fashion appeal; Be applicable to various metal works and automobile component, also can meet export requirement.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Raw materials usedly be commercially available prod.
Embodiment 1
Raw material total mass is 1kg, and the continuous line powder coating of auto parts machinery is made up of the raw material of following mass percent:
Take raw material, batch mixing, extrude, compressing tablet, cooling, pulverizing, abrasive dust, cross screen sizing, detect packaging, and to get final product.
Auto parts machinery is with adopting electric drying oven with forced convection heating during continuous line powder coating solidification, Heating temperature is 180 DEG C, and heat-up time is 20min.
Embodiment 2
Raw material total mass is 1kg, and the continuous line powder coating of auto parts machinery is made up of the raw material of following mass percent:
Take raw material, batch mixing, extrude, compressing tablet, cooling, pulverizing, abrasive dust, cross screen sizing, detect packaging, and to get final product.
Auto parts machinery is with adopting electric drying oven with forced convection heating during continuous line powder coating solidification, Heating temperature is 200 DEG C, and heat-up time is 15min.
Embodiment 3
Raw material total mass is 1kg, and the continuous line powder coating of auto parts machinery is made up of the raw material of following mass percent:
Take raw material, batch mixing, extrude, compressing tablet, cooling, pulverizing, abrasive dust, cross screen sizing, detect packaging, and to get final product.
Auto parts machinery is with adopting electric drying oven with forced convection heating during continuous line powder coating solidification, Heating temperature is 190 DEG C, and heat-up time is 17min.
The auto parts machinery that embodiment 1-3 obtains by the performance test results of continuous line powder coating film in table 1.
The continuous line powder coating film performance test result of auto parts machinery that table 1 embodiment 1-3 is obtained
Claims (10)
1. the continuous line powder coating of auto parts machinery, is characterized in that being made up of the raw material of following weight percent:
2. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that described vibrin is hydroxyl telechelic polyester resin.
3. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that described continuous effect solidifying agent is polyurethane curing agent.
4. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that described solidifying agent 1 is isocyanate curing agent.
5. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that described solidifying agent 2 is PU solidifying agent.
6. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that described flow agent is decentralized esters of acrylic acid flow agent.
7. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that described defoamer is st-yrax.
8. the continuous line powder coating of auto parts machinery according to claim 1, is characterized in that other described auxiliary agent is oxidation inhibitor and wilkinite.
9. the arbitrary described auto parts machinery of a claim 1-8 preparation method for continuous line powder coating, is characterized in that taking raw material, batch mixing, extrudes, compressing tablet, cooling, pulverizing, abrasive dust, crosses screen sizing, detects packaging, and to get final product.
10. the arbitrary described auto parts machinery of a claim 1-8 application for continuous line powder coating, adopt electric drying oven with forced convection heating when it is characterized in that this powder coating solidification, solidification value is 180-200 DEG C, and set time is 15-20min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194167.0A CN104774539A (en) | 2015-04-22 | 2015-04-22 | Smooth-faced hammer powder coating used for automobile parts as well as preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194167.0A CN104774539A (en) | 2015-04-22 | 2015-04-22 | Smooth-faced hammer powder coating used for automobile parts as well as preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104774539A true CN104774539A (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194167.0A Pending CN104774539A (en) | 2015-04-22 | 2015-04-22 | Smooth-faced hammer powder coating used for automobile parts as well as preparation method and application thereof |
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| CN (1) | CN104774539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161308A (en) * | 2018-08-17 | 2019-01-08 | 浙江明泉工业涂装有限公司 | A kind of brake block powdery paints and preparation method thereof |
-
2015
- 2015-04-22 CN CN201510194167.0A patent/CN104774539A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109161308A (en) * | 2018-08-17 | 2019-01-08 | 浙江明泉工业涂装有限公司 | A kind of brake block powdery paints and preparation method thereof |
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