CN104629517A - Flexible anti-fracture polyethylene powder coating containing nano-carbon sol grafting activated mica powder and preparation method of coating - Google Patents
Flexible anti-fracture polyethylene powder coating containing nano-carbon sol grafting activated mica powder and preparation method of coating Download PDFInfo
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- CN104629517A CN104629517A CN201510054194.8A CN201510054194A CN104629517A CN 104629517 A CN104629517 A CN 104629517A CN 201510054194 A CN201510054194 A CN 201510054194A CN 104629517 A CN104629517 A CN 104629517A
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- mica powder
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- carbon sol
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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
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to a polyethylene powder coating, and particularly relates to a flexible anti-fracture polyethylene powder coating containing nanometer carbon sol grafting activated mica powder and a preparation method of the coating. The powder coating is prepared from the following raw materials in parts by weight: 2-3 parts of nanometer carbon sols with solid content of 10%-15%, 5-7 parts of pigments, 1-1.2 parts of 1-phenyl-5-tetrazole-thione, 2-3 parts of silane coupling agents KH-550, 5-8 parts of mica powder, 2-3 parts of polyoxyethylene, 15-18 parts of ABS copolymers, 0.5-0.8 part of potassium permanganate, 3-4 parts of acetalation polyvinyl alcohol and 40-50 parts of polyethylene. The powder coating prepared through the method disclosed by the invention shows good flowability and adhesiveness, is flexible, anti-impact, smooth, flat and difficult to crack, still has good strength and toughness under the condition of high temperature and has the advantages of high temperature resistance, oxidization resistance, controllability in production cost, environmental friendliness and high efficiency in a production process and great market competitiveness.
Description
Technical field
The present invention relates to a kind of polyethylene powder coating, be specifically related to a kind of pliable and tough pleat-free polyethylene powder coating containing nano carbon sol grafting and activating mica 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 pliable and tough pleat-free polyethylene powder coating containing nano carbon sol grafting and activating mica 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 pliable and tough pleat-free polyethylene powder coating containing nano carbon sol grafting and activating mica powder and preparation method thereof, it is characterized in that, this powder coating is made up of the raw material of following weight part: solid content is nano carbon sol 2-3, pigment 5-7,1-phenyl-5-mercapto tetrazole 1-1.2 of 10-15%, silane resin acceptor kh-550 2-3, mica powder 5-8, polyoxyethylene 2-3, acrylonitrile-butadiene-styrene (ABS) (ABS) copolymer 1 5-18, potassium permanganate 0.5-0.8, polyvinyl alcohol of acetalization 3-4, polyethylene 40-50;
Described a kind of pliable and tough pleat-free polyethylene powder coating containing nano carbon sol grafting and activating mica powder and preparation method thereof, its preparation method is:
(1) first mica powder is calcined 3-4h in the nitrogen atmosphere of 500-600 DEG C, pulverize after being cooled to room temperature subsequently as 400-600 order micro mist, obtain pre-activate mica powder, pre-activate mica powder to be dropped into the concentration be mixed with by potassium permanganate be subsequently the pH value of 30-50g/L is again in the acidic aqueous solution of 5-6, soak 50-60min, subsequent filtration, after filtrate washes 3-5 time with water, add the silane resin acceptor kh-550 of 0.8-1 weight part, nano carbon sol, be heated to 60-80 DEG C, high-speed stirring mixing 2-2.5h, obtains nano carbon sol grafting and activating mica powder for subsequent use;
(2) polyoxyethylene is dissolved in the water of 12-15 weight part, again by acrylonitrile-butadiene-styrene (ABS) (ABS) multipolymer, polyvinyl alcohol of acetalization drops in polyoxyethylene aqueous solution together with polyethylene, after high-speed stirring mixing 60-80min, mixture is dried removing moisture, last nano carbon sol grafting and activating mica powder and other remaining component adding step (1) gained again, pre-mixing 100-120min, 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, obtain.
The advantage of modified poly ethylene powder coating prepared by the present invention is: mica powder has been carried out activation treatment in advance, at its surface grafting nano carbon sol, consistency and the reactive behavior of the modified filler that this method obtains and macromolecular material are higher, the utilization ratio of raw material is higher, powder coating prepared by the present invention shows good mobility and tack, the pliable and tough shock resistance of coating, smooth, not easy to crack, still have good intensity and toughness under the high temperature conditions, fire-resistant oxidation resistant, and production cost is controlled, production process environment-friendly high-efficiency, has the market competitiveness.
Embodiment
Embodiment
The coating of the present embodiment is made up of the raw material of following weight part: solid content is nano carbon sol 2.5, pigment 6,1-phenyl-5-mercapto tetrazole 1, silane resin acceptor kh-550 2.5, mica powder 7, polyoxyethylene 2, acrylonitrile-butadiene-styrene (ABS) (ABS) copolymer 16, potassium permanganate 0.6, polyvinyl alcohol of acetalization 3.5, the polyethylene 42 of 12%.
The preparation method of this powder coating is:
(1) first mica powder is calcined 3.5h in the nitrogen atmosphere of 550 DEG C, pulverizing after being cooled to room temperature is subsequently 550 order micro mists, obtain pre-activate mica powder, pre-activate mica powder to be dropped into the concentration be mixed with by potassium permanganate be subsequently the pH value of 45g/L is again in the acidic aqueous solution of 6, soak 55min, subsequent filtration, after filtrate washes 4 times with water, add the silane resin acceptor kh-550 of 0.8 weight part, nano carbon sol, be heated to 70 DEG C, high-speed stirring mixing 2.4h, obtains nano carbon sol grafting and activating mica powder for subsequent use;
(2) polyoxyethylene is dissolved in the water of 14 weight parts, again by acrylonitrile-butadiene-styrene (ABS) (ABS) multipolymer, polyvinyl alcohol of acetalization drops in polyoxyethylene aqueous solution together with polyethylene, after high-speed stirring mixing 65min, mixture is dried removing moisture, last nano carbon sol grafting and activating mica powder and other remaining component adding step (1) gained again, pre-mixing 110min, 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, get 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. pliable and tough pleat-free polyethylene powder coating containing nano carbon sol grafting and activating mica powder and preparation method thereof, it is characterized in that, this powder coating is made up of the raw material of following weight part: solid content is nano carbon sol 2-3, pigment 5-7,1-phenyl-5-mercapto tetrazole 1-1.2 of 10-15%, silane resin acceptor kh-550 2-3, mica powder 5-8, polyoxyethylene 2-3, acrylonitrile-butadiene-styrene (ABS) (ABS) copolymer 1 5-18, potassium permanganate 0.5-0.8, polyvinyl alcohol of acetalization 3-4, polyethylene 40-50.
2. a kind of pliable and tough pleat-free polyethylene powder coating containing nano carbon sol grafting and activating mica powder and preparation method thereof as claimed in claim 1, its preparation method is:
(1) first mica powder is calcined 3-4h in the nitrogen atmosphere of 500-600 DEG C, pulverize after being cooled to room temperature subsequently as 400-600 order micro mist, obtain pre-activate mica powder, pre-activate mica powder to be dropped into the concentration be mixed with by potassium permanganate be subsequently the pH value of 30-50g/L is again in the acidic aqueous solution of 5-6, soak 50-60min, subsequent filtration, after filtrate washes 3-5 time with water, add the silane resin acceptor kh-550 of 0.8-1 weight part, nano carbon sol, be heated to 60-80 DEG C, high-speed stirring mixing 2-2.5h, obtains nano carbon sol grafting and activating mica powder for subsequent use;
(2) polyoxyethylene is dissolved in the water of 12-15 weight part, again acrylonitrile-butadiene-styrene (ABS) (ABS) multipolymer, polyvinyl alcohol of acetalization are dropped in polyoxyethylene aqueous solution together with polyethylene, after high-speed stirring mixing 60-80min, mixture is dried removing moisture, last nano carbon sol grafting and activating mica powder and other remaining component adding step (1) gained again, pre-mixing 100-120min, 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054194.8A CN104629517A (en) | 2015-02-02 | 2015-02-02 | Flexible anti-fracture polyethylene powder coating containing nano-carbon sol grafting activated mica powder and preparation method of coating |
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| CN201510054194.8A CN104629517A (en) | 2015-02-02 | 2015-02-02 | Flexible anti-fracture polyethylene powder coating containing nano-carbon sol grafting activated mica powder and preparation method of coating |
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| CN104629517A true CN104629517A (en) | 2015-05-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221303A (en) * | 2016-07-27 | 2016-12-14 | 合肥旭阳铝颜料有限公司 | A kind of water-fast nano silicon coating modification thin slice aluminium powder pigment and preparation method thereof |
| CN106630988A (en) * | 2016-12-27 | 2017-05-10 | 定远县明友墙体材料有限责任公司 | Preparation method of modified mica powder insulating brick |
| CN107955417A (en) * | 2017-12-12 | 2018-04-24 | 安徽启东热能科技有限公司 | A kind of wear resistant filler |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453404A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Novel polyethylene powder coating |
-
2015
- 2015-02-02 CN CN201510054194.8A patent/CN104629517A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453404A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Novel polyethylene powder coating |
Non-Patent Citations (1)
| Title |
|---|
| 胡友良等: "《聚烯烃功能化及改性-科学与技术》", 31 March 2006, 化学工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221303A (en) * | 2016-07-27 | 2016-12-14 | 合肥旭阳铝颜料有限公司 | A kind of water-fast nano silicon coating modification thin slice aluminium powder pigment and preparation method thereof |
| CN106630988A (en) * | 2016-12-27 | 2017-05-10 | 定远县明友墙体材料有限责任公司 | Preparation method of modified mica powder insulating brick |
| CN107955417A (en) * | 2017-12-12 | 2018-04-24 | 安徽启东热能科技有限公司 | A kind of wear resistant filler |
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Application publication date: 20150520 |
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