CN105567060A - Impact-resistant polyester powder paint and manufacturing method thereof - Google Patents
Impact-resistant polyester powder paint and manufacturing method thereof Download PDFInfo
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- CN105567060A CN105567060A CN201510941971.0A CN201510941971A CN105567060A CN 105567060 A CN105567060 A CN 105567060A CN 201510941971 A CN201510941971 A CN 201510941971A CN 105567060 A CN105567060 A CN 105567060A
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- powder coating
- powder paint
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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
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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 discloses an impact-resistant polyester powder paint. Beta-hydroxyalkyl amide, which is used instead of the TGIC (triglycidyl isocyanurate) curing agent, has the advantages of low toxicity, low curing temperature, energy saving and environment friendliness. Bentonite, nano titanium dioxide and polyacrylonitrile fiber are subjected to graft modification by dioctyl adipate to enhance the dispersity and interfacial contact property in the polyester resin and improve the coatability and self-cleaning property of the paint, so that the pollution resistance is enhanced. The modified carbonized hair is added to optimize the mechanical properties of the powder paint. Thus, the powder paint has the advantages of impact resistance, weather resistance, no toxicity, environment friendliness and the like.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of shock-resistant polyester powder coating and preparation method thereof.
Background technology
Powder coating is a kind of novel not containing solvent 100% solid powdery coating.There is solvent-free, pollution-free, recyclable, environmental protection, the saving energy and resource, reduce labor intensity and film physical strength high.Heat curable powder coating refers to using thermosetting resin as filmogen, and the solidifying agent having added crosslinking reaction can form insoluble not molten quality hard coat after heating.Thermosetting powder coating(s) because of the levelling property of its coating better, by force ornamental, and low-molecular-weight prepolymer is after solidification, and can form the macromole of cross-linked network, thus coating has better preservative property and mechanical property, therefore thermosetting powder coating(s) development is particularly rapid.
Pure polyester type powder paint, because having excellent weathering resistance, is commonly called Weather-resisting powder coating.Pure polyester type powder paint is widely used in the fields such as automobile, machinery, instrument and construction industry.Its shortcoming is that cross-linking density is lower, and the solidification value of needs is higher, lower to the sticking power of coated article.The existing weather-resistance powder coatings of China, still takes as the leading factor with polyester/TGIC, but its weathering resistance can not show a candle to fluorocarbon powder paint.But the fluorocarbon resin technology that China is used for powder coating is still immature, and extremely expensive from its price of external import.Therefore, the weather-resistance powder coatings of a kind of low cost of research and development is badly in need of, to meet the demand of demestic user.
" research of perfluoropolyether-modified polyester powder coating " one literary grace melting copolymerization method synthesize perfluoropolyether-modified vibrin, in polyester molecule chain, introduce the PFPE side chain of relative molecular mass about 3000.This literary composition is with TGIC(isocyanuric acid three-glycidyl ester) be solidifying agent, with the powder coating that this resin is made, not only have superpower preservative property and weathering resistance, and have good hydrophobicity, oleophobic property and automatically cleaning effect, cost is low is widely used in every field.
But the condition of cure of polyester/TGIC system is harsh: TGIC is poisonous, solidification value higher (>200 DEG C), set time longer (10-30min), higher solidification value makes its energy consumption high, baking time is long, directly cause the production cycle elongated, labour productivity can not get effective raising.Meanwhile, harsh condition of cure makes powder coating can only for heat-resisting metal substrate, is not suitable for the thermosensitive type grounds such as wooden, papery, plastics, seriously constrains the application of powder coating, need to carry out improving existing processing condition and method.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of shock-resistant polyester powder coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of shock-resistant polyester powder coating, is made up of the raw material of following weight part: end carboxyl saturated polyester resin 78-82, paraffin oil 3.5-3.7, aloe fibre 6-7, polyacrylonitrile fibre 5-7, wilkinite 19-20, Crinis Carbonisatus 8-10, nano titanium oxide 1.9-2.3, silicon carbide 0.3-0.5, Octyl adipate 6-8, three oxidation two alum 1-2, beta-hydroxy alkylamide 4.6-5.3, pigment 9-11.
The making method of described a kind of shock-resistant polyester powder coating, comprises the following steps:
(1) Crinis Carbonisatus, three oxidation two alum are calcined 30-40 minute at 430-470 DEG C, be cooled to 100-120 DEG C and add paraffin oil, 200-300 rev/min of dispersed with stirring 4-6 minute, be cooled to room temperature and add silicon carbide ball milling 1-2 hour, obtain modification Crinis Carbonisatus;
(2) wilkinite is scattered in the aqueous solution obtains suspension, suspension is placed in 80-90 DEG C of water bath with thermostatic control and leaves standstill 3-5 hour, add nano titanium oxide, polyacrylonitrile fibre stirs and ultrasonic grinding 30-40 minute, dropwise drip Octyl adipate, within 30-50 minute, drip off, continue insulation 30-50 minute, adjust ph 7-8, be cooled to normal temperature rapidly, filtration under diminished pressure, washing are also dry;
(3) end carboxyl saturated polyester resin is dropped in high mixer, add step (1), step (2) material and other remaining component stirring and evenly mixings, melt extrude through twin screw extruder, compressing tablet, air-cooled, abrasive dust, cross 160-180 mesh sieve, to obtain final product.
Advantage of the present invention is: the present invention adopts beta-hydroxy alkylamide to substitute TGIC solidifying agent, toxicity is little and solidification value is low, energy-conserving and environment-protective, wilkinite, nano titanium oxide, polyacrylonitrile fibre are improve after Octyl adipate graft modification its dispersiveness in vibrin and interracial contact, improve coatability energy and the self-cleaning performance of coating, resistance to soiling improves, add again modified Crinis Carbonisatus, optimize the mechanical property of powder coating, obtained powder coating has the advantages such as shock-resistant, weather-proof, nontoxic, environmental protection.
Embodiment
A kind of shock-resistant polyester powder coating, is made up of the raw material of following weight part: the oxidation of end carboxyl saturated polyester resin 78, paraffin oil 3.5, aloe fibre 6, polyacrylonitrile fibre 5, wilkinite 19, Crinis Carbonisatus 8, nano titanium oxide 1.9, silicon carbide 0.3, Octyl adipate 6, three two alum 1, beta-hydroxy alkylamide 4.6, pigment 9.
The making method of described a kind of shock-resistant polyester powder coating, comprises the following steps:
(1) Crinis Carbonisatus, three oxidation two alum are calcined 30-40 minute at 430-470 DEG C, be cooled to 100-120 DEG C and add paraffin oil, 200-300 rev/min of dispersed with stirring 4-6 minute, be cooled to room temperature and add silicon carbide ball milling 1-2 hour, obtain modification Crinis Carbonisatus;
(2) wilkinite is scattered in the aqueous solution obtains suspension, suspension is placed in 80-90 DEG C of water bath with thermostatic control and leaves standstill 3-5 hour, add nano titanium oxide, polyacrylonitrile fibre stirs and ultrasonic grinding 30-40 minute, dropwise drip Octyl adipate, within 30-50 minute, drip off, continue insulation 30-50 minute, adjust ph 7-8, be cooled to normal temperature rapidly, filtration under diminished pressure, washing are also dry;
(3) end carboxyl saturated polyester resin is dropped in high mixer, add step (1), step (2) material and other remaining component stirring and evenly mixings, melt extrude through twin screw extruder, compressing tablet, air-cooled, abrasive dust, cross 160-180 mesh sieve, to obtain final product.
The technical parameter index of the polyester powder coating using the present invention to produce is as follows:
(1) resistance to impact shock (kN/cm): 59.2;
(2) sticking power (level): 1;
(3) resistance to neutral salt spray/h: be greater than 2000;
(4) strong basicity resisting (30%NaOH)/h:480.
Claims (2)
1. a shock-resistant polyester powder coating, it is characterized in that, be made up of the raw material of following weight part: end carboxyl saturated polyester resin 78-82, paraffin oil 3.5-3.7, aloe fibre 6-7, polyacrylonitrile fibre 5-7, wilkinite 19-20, Crinis Carbonisatus 8-10, nano titanium oxide 1.9-2.3, silicon carbide 0.3-0.5, Octyl adipate 6-8, three oxidation two alum 1-2, beta-hydroxy alkylamide 4.6-5.3, pigment 9-11.
2. the making method of a kind of shock-resistant polyester powder coating according to claim 1, is characterized in that comprising the following steps:
(1) Crinis Carbonisatus, three oxidation two alum are calcined 30-40 minute at 430-470 DEG C, be cooled to 100-120 DEG C and add paraffin oil, 200-300 rev/min of dispersed with stirring 4-6 minute, be cooled to room temperature and add silicon carbide ball milling 1-2 hour, obtain modification Crinis Carbonisatus;
(2) wilkinite is scattered in the aqueous solution obtains suspension, suspension is placed in 80-90 DEG C of water bath with thermostatic control and leaves standstill 3-5 hour, add nano titanium oxide, polyacrylonitrile fibre stirs and ultrasonic grinding 30-40 minute, dropwise drip Octyl adipate, within 30-50 minute, drip off, continue insulation 30-50 minute, adjust ph 7-8, be cooled to normal temperature rapidly, filtration under diminished pressure, washing are also dry;
(3) end carboxyl saturated polyester resin is dropped in high mixer, add step (1), step (2) material and other remaining component stirring and evenly mixings, melt extrude through twin screw extruder, compressing tablet, air-cooled, abrasive dust, cross 160-180 mesh sieve, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510941971.0A CN105567060A (en) | 2015-12-16 | 2015-12-16 | Impact-resistant polyester powder paint and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510941971.0A CN105567060A (en) | 2015-12-16 | 2015-12-16 | Impact-resistant polyester powder paint and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105567060A true CN105567060A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510941971.0A Pending CN105567060A (en) | 2015-12-16 | 2015-12-16 | Impact-resistant polyester powder paint and manufacturing method thereof |
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| CN (1) | CN105567060A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566390A (en) * | 2016-11-03 | 2017-04-19 | 安徽强力建筑脚手架租赁有限公司 | Composite nanofiber enhanced modified polyester-nitrile rubber composite powder coating and preparation method thereof |
| CN116219732A (en) * | 2023-01-05 | 2023-06-06 | 福建万安实业集团有限公司 | Plant fiber, preparation method thereof and application thereof in preparing powder coating |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342949A (en) * | 2013-07-15 | 2013-10-09 | 天津翔盛粉末涂料有限公司 | Special powder coating for radiator |
| CN104046214A (en) * | 2014-07-07 | 2014-09-17 | 广东华江粉末科技有限公司 | Energy-saving environment-friendly low-gloss polyester acrylate powder paint for aluminum profile and preparation method thereof |
| CN104152014A (en) * | 2014-08-28 | 2014-11-19 | 苏州洛特兰新材料科技有限公司 | Carboxyl-type polyester powder paint used for ceramic |
| CN104277683A (en) * | 2014-10-31 | 2015-01-14 | 安徽神剑新材料股份有限公司 | Powder coating sprayed through friction gun |
| CN104341805A (en) * | 2014-10-17 | 2015-02-11 | 苏州莱特复合材料有限公司 | Metal powder composite paint and preparation method thereof |
| CN104629544A (en) * | 2015-02-02 | 2015-05-20 | 芜湖市宝艺游乐科技设备有限公司 | Tough polyethylene powder paint containing nano carbon fiber grafted activated organobentonite and preparation method thereof |
| CN104672999A (en) * | 2015-02-04 | 2015-06-03 | 苏州康华净化系统工程有限公司 | Weather-proof metallic paint material and preparation method thereof |
| CN104910765A (en) * | 2015-05-11 | 2015-09-16 | 广德美涂士化工有限公司 | High strength modified polyester resin coating |
-
2015
- 2015-12-16 CN CN201510941971.0A patent/CN105567060A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342949A (en) * | 2013-07-15 | 2013-10-09 | 天津翔盛粉末涂料有限公司 | Special powder coating for radiator |
| CN104046214A (en) * | 2014-07-07 | 2014-09-17 | 广东华江粉末科技有限公司 | Energy-saving environment-friendly low-gloss polyester acrylate powder paint for aluminum profile and preparation method thereof |
| CN104152014A (en) * | 2014-08-28 | 2014-11-19 | 苏州洛特兰新材料科技有限公司 | Carboxyl-type polyester powder paint used for ceramic |
| CN104341805A (en) * | 2014-10-17 | 2015-02-11 | 苏州莱特复合材料有限公司 | Metal powder composite paint and preparation method thereof |
| CN104277683A (en) * | 2014-10-31 | 2015-01-14 | 安徽神剑新材料股份有限公司 | Powder coating sprayed through friction gun |
| CN104629544A (en) * | 2015-02-02 | 2015-05-20 | 芜湖市宝艺游乐科技设备有限公司 | Tough polyethylene powder paint containing nano carbon fiber grafted activated organobentonite and preparation method thereof |
| CN104672999A (en) * | 2015-02-04 | 2015-06-03 | 苏州康华净化系统工程有限公司 | Weather-proof metallic paint material and preparation method thereof |
| CN104910765A (en) * | 2015-05-11 | 2015-09-16 | 广德美涂士化工有限公司 | High strength modified polyester resin coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566390A (en) * | 2016-11-03 | 2017-04-19 | 安徽强力建筑脚手架租赁有限公司 | Composite nanofiber enhanced modified polyester-nitrile rubber composite powder coating and preparation method thereof |
| CN116219732A (en) * | 2023-01-05 | 2023-06-06 | 福建万安实业集团有限公司 | Plant fiber, preparation method thereof and application thereof in preparing powder coating |
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Application publication date: 20160511 |