CN104629542A - Anti-aging polyethylene powder paint containing silica sol grafted activated meerschaum powder and preparation method thereof - Google Patents
Anti-aging polyethylene powder paint containing silica sol grafted activated meerschaum powder and preparation method thereof Download PDFInfo
- Publication number
- CN104629542A CN104629542A CN201510054525.8A CN201510054525A CN104629542A CN 104629542 A CN104629542 A CN 104629542A CN 201510054525 A CN201510054525 A CN 201510054525A CN 104629542 A CN104629542 A CN 104629542A
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- China
- Prior art keywords
- parts
- powder
- polyethylene
- sepiolite
- silicon sol
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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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/06—Polyethene
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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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention relates to a polyethylene powder paint, particularly an anti-aging polyethylene powder paint containing silica sol grafted activated meerschaum powder and a preparation method thereof. The powder paint is prepared from the following raw materials in parts by weight: 5-8 parts of 400-600-mesh meerschaum powder, 3-5 parts of polyoxyethylene, 8-10 parts of polycarbonate, 1-3 parts of silica sol with the solid content of 25-30%, 0.5-0.6 part of potassium permanganate, 2-4 parts of silane coupling agent KH-550, 3-5 parts of dioctyl adipate, 1-3 parts of antioxidant, 5-8 parts of pigment, 48-55 parts of polyethylene and 4-5 parts of modified plant fiber filler. The meerschaum powder is firstly activated and grafted with the nano-size silica sol on the surface in the paint preparation process, thereby improving the compatibility between the inorganic powder filler and high polymer material, enhancing the modification efficiency and enhancing the raw material utilization ratio. The prepared polyethylene powder paint has favorable flowability and adhesiveness; and the coating has the advantages of smooth surface, high compactness and flexibility, low cracking tendency, weather resistance, aging resistance, low production cost and favorable protective effect.
Description
Technical field
The present invention relates to a kind of polyethylene powder coating, be specifically related to a kind of anti-aging polyethylene powder coating containing silicon sol grafting and activating sepiolite powder and preparation method thereof.
Background technology
Polyethylene powder coating occupies very large proportion in existing thermoplastic powder coating, its advantage main manifestations is that raw material is cheap, resistance to chemical attack, good electrical insulating property and low-temperature stability, but its shortcoming is also obvious, during use, physical strength is poor, and film adhesive is poor, easily chaps in surface, anticorrosion and weathering resistance also has much room for improvement, expanding the use range of polyethylene powder coating to continue, improving its competitive power in like product, improving its use properties imperative.
The poly performance approach of current improvement is mainly divided into physically modified and chemical modification two kinds of methods, although these method of modifying are all widely used at present, also positive effect has been played at the aspect of performance improving polyethylene powder coating, but, no matter be modified filler, the macromolecular material of blending and modifying or grafting, cross-linking monomer, consistency and the binding activities of they and polyethylene base-material are particularly important, are also to ensure modification efficiency, improve the basic of raw material availability; Therefore improve the performance that these tradition are material modified, simultaneously in conjunction with the use of novel material, the polyethylene powder coating that performance is more excellent can be developed.
Summary of the invention
The object of the invention is to, prepare a kind of anti-aging polyethylene powder coating containing silicon sol grafting and activating sepiolite powder and preparation method thereof, the material modified activity of wherein adding is improved, and modification efficiency is higher, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of anti-aging polyethylene powder coating containing silicon sol grafting and activating sepiolite powder and preparation method thereof, it is characterized in that, this powder coating is made up of the raw material of following weight part: 400-600 order sepiolite powder 5-8, polyoxyethylene 3-5, polycarbonate 8-10, solid content are silicon sol 1-3, potassium permanganate 0.5-0.6, silane resin acceptor kh-550 2-4, Octyl adipate 3-5, oxidation inhibitor 1-3, pigment 5-8, the polyethylene 48-55 of 25-30%;
Described a kind of anti-aging polyethylene powder coating containing silicon sol grafting and activating sepiolite powder and preparation method thereof, its preparation method is:
(1) first sepiolite powder is cooled to room temperature after roasting 1.5-2h in the nitrogen atmosphere of 250-300 DEG C, obtain pre-activate sepiolite micro mist, again pre-activate sepiolite micro mist being dropped into the concentration be mixed with by potassium permanganate is subsequently in the aqueous solution of 30-50g/L, soak 30-40min, subsequent filtration, after filtrate washes 3-5 time with water, add the silane resin acceptor kh-550 of 0.5-0.8 weight part, silicon sol, be heated to 60-80 DEG C, high-speed stirring mixing 1.5-2h, obtains silicon sol grafting and activating kieselguhr micropowder for subsequent use;
(2) polyoxyethylene is dissolved in the water of 10-12 weight part, again polycarbonate is dropped into together with polyethylene in polyoxyethylene aqueous solution, after high-speed stirring mixing 40-60min, mixture is dried removing moisture, last silicon sol grafting and activating sepiolite micro mist and other remaining component adding step (1) gained again, pre-mixing 1-2h, drop into melting mixing extruding pelletization in twin screw extruder subsequently, pellet is sent into after fine powder worn into by pulverizing mill and is entered powder shifter classification again, to obtain final product.
The advantage of modified poly ethylene powder coating prepared by the present invention is: sepiolite powder has been carried out activation treatment, and at the silicon sol of its surface grafting nanometer ruler, improve the consistency of inorganic powder filler and macromolecular material, modification efficiency is higher, the utilization ratio of raw material is also improved, obtained polyethylene powder coating shows good mobility and tack, and coatingsurface is smooth to the touch, fine and close pliable and tough, not easy to crack, Weatherproof ageing-resistant, and production cost is low, protection effect is excellent.
Embodiment
Embodiment
The coating of the present embodiment is made up of the raw material of following weight part: 600 order sepiolite powders 7, polyoxyethylene 4,8-10, solid content are silicon sol 2, potassium permanganate 0.5, silane resin acceptor kh-550 3, Octyl adipate 4, oxidation inhibitor 2, pigment 6, the polyethylene 52 of 30%.
The preparation method of this powder coating is:
(1) first sepiolite powder is cooled to room temperature after roasting 2h in the nitrogen atmosphere of 250-300 DEG C, obtain pre-activate sepiolite micro mist, again pre-activate sepiolite micro mist being dropped into the concentration be mixed with by potassium permanganate is subsequently in the aqueous solution of 40g/L, soak 35min, subsequent filtration, after filtrate washes 4 times with water, add the silane resin acceptor kh-550 of 0.6 weight part, silicon sol, be heated to 60-80 DEG C, high-speed stirring mixing 1.8h, obtains silicon sol grafting and activating kieselguhr micropowder for subsequent use;
(2) polyoxyethylene is dissolved in the water of 10 weight parts, again polycarbonate is dropped into together with polyethylene in polyoxyethylene aqueous solution, after high-speed stirring mixing 55min, mixture is dried removing moisture, last silicon sol grafting and activating sepiolite micro mist and other remaining component adding step (1) gained again, pre-mixing 1.5h, drop into melting mixing extruding pelletization in twin screw extruder subsequently, pellet is sent into after fine powder worn into by pulverizing mill and is entered powder shifter classification again, gets the product packing of 200-300 order and get final product.
Polyethylene powder coating the performance test results obtained by the present embodiment is:
Claims (2)
1. anti-aging polyethylene powder coating containing silicon sol grafting and activating sepiolite powder and preparation method thereof, it is characterized in that, this powder coating is made up of the raw material of following weight part: 400-600 order sepiolite powder 5-8, polyoxyethylene 3-5, polycarbonate 8-10, solid content are silicon sol 1-3, potassium permanganate 0.5-0.6, silane resin acceptor kh-550 2-4, Octyl adipate 3-5, oxidation inhibitor 1-3, pigment 5-8, the polyethylene 48-55 of 25-30%.
2. a kind of anti-aging polyethylene powder coating containing silicon sol grafting and activating sepiolite powder and preparation method thereof as claimed in claim 1, its preparation method is:
(1) first sepiolite powder is cooled to room temperature after roasting 1.5-2h in the nitrogen atmosphere of 250-300 DEG C, obtain pre-activate sepiolite micro mist, again pre-activate sepiolite micro mist being dropped into the concentration be mixed with by potassium permanganate is subsequently in the aqueous solution of 30-50g/L, soak 30-40min, subsequent filtration, after filtrate washes 3-5 time with water, add the silane resin acceptor kh-550 of 0.5-0.8 weight part, silicon sol, be heated to 60-80 DEG C, high-speed stirring mixing 1.5-2h, obtains silicon sol grafting and activating kieselguhr micropowder for subsequent use;
(2) polyoxyethylene is dissolved in the water of 10-12 weight part, again polycarbonate is dropped into together with polyethylene in polyoxyethylene aqueous solution, after high-speed stirring mixing 40-60min, mixture is dried removing moisture, last silicon sol grafting and activating sepiolite micro mist and other remaining component adding step (1) gained again, pre-mixing 1-2h, drop into melting mixing extruding pelletization in twin screw extruder subsequently, pellet is sent into after fine powder worn into by pulverizing mill and is entered powder shifter classification again, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054525.8A CN104629542A (en) | 2015-02-02 | 2015-02-02 | Anti-aging polyethylene powder paint containing silica sol grafted activated meerschaum powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054525.8A CN104629542A (en) | 2015-02-02 | 2015-02-02 | Anti-aging polyethylene powder paint containing silica sol grafted activated meerschaum powder and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104629542A true CN104629542A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510054525.8A Pending CN104629542A (en) | 2015-02-02 | 2015-02-02 | Anti-aging polyethylene powder paint containing silica sol grafted activated meerschaum powder and preparation method thereof |
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| CN (1) | CN104629542A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019465A (en) * | 2019-12-27 | 2020-04-17 | 海安常州大学高新技术研发中心 | Preparation process of organic-inorganic composite water-based acrylic acid anticorrosive paint |
| CN114479411A (en) * | 2022-03-01 | 2022-05-13 | 株洲地博光电材料有限公司 | Polycarbonate film for case |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277042A (en) * | 2011-07-08 | 2011-12-14 | 上海邦中新材料有限公司 | Polyethylene powder coating used for anti-corrosion steel pipe and preparation method thereof |
| CN103740181A (en) * | 2014-01-15 | 2014-04-23 | 芜湖市宝艺游乐科技设备有限公司 | Thermoplastic powder coating |
-
2015
- 2015-02-02 CN CN201510054525.8A patent/CN104629542A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277042A (en) * | 2011-07-08 | 2011-12-14 | 上海邦中新材料有限公司 | Polyethylene powder coating used for anti-corrosion steel pipe and preparation method thereof |
| CN103740181A (en) * | 2014-01-15 | 2014-04-23 | 芜湖市宝艺游乐科技设备有限公司 | Thermoplastic powder coating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019465A (en) * | 2019-12-27 | 2020-04-17 | 海安常州大学高新技术研发中心 | Preparation process of organic-inorganic composite water-based acrylic acid anticorrosive paint |
| CN114479411A (en) * | 2022-03-01 | 2022-05-13 | 株洲地博光电材料有限公司 | Polycarbonate film for case |
| CN114479411B (en) * | 2022-03-01 | 2023-04-25 | 株洲地博光电材料有限公司 | Polycarbonate film for case |
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Application publication date: 20150520 |
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