CN104610797A - Activated hydrotalcite powder enhanced modified polyethylene powder coating containing nanometer boron carbide graft and preparation method of powder coating - Google Patents
Activated hydrotalcite powder enhanced modified polyethylene powder coating containing nanometer boron carbide graft and preparation method of powder coating Download PDFInfo
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- CN104610797A CN104610797A CN201510054185.9A CN201510054185A CN104610797A CN 104610797 A CN104610797 A CN 104610797A CN 201510054185 A CN201510054185 A CN 201510054185A CN 104610797 A CN104610797 A CN 104610797A
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- powder
- hydrotalcite
- powder coating
- boron carbide
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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
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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
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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
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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 in particular relates to an activated hydrotalcite powder enhanced modified polyethylene powder coating containing nanometer boron carbide graft and a preparation method of the powder coating. The powder coating is prepared from the following raw materials in parts by weight: 0.5-0.8 part of nanometer boron carbide, 2-3 parts of 3-aminopropyltrimethoxysilane, 5-8 parts of hydrotalcite, 5-6 parts of pigments, 4-6 parts of diethylene glycol dibenzoate, 2-3 parts of an antioxidant, 2-3 parts of polyethylene glycol, 15-20 parts of an ethylene-1-octene copolymer, 5-8 parts of polyvinyl acetate and 38-43 parts of polyethylene. The hydrotalcite powder is subjected to oxygen activation treatment, the nanometer boron carbide is grafted to the surface, the treated composite microscale filler and a polymer base material have high compatibility, the modification effect is obvious, and the compound modified polyethylene has excellent comprehensive mechanical properties. The powder coating prepared by the invention has good liquidity and adhesiveness, and the formed coating is dense, smooth, heat-resistant, stable, hard, wear-resistant, safe, flame retardant and durable in use and has high market competitiveness.
Description
Technical field
The present invention relates to a kind of polyethylene powder coating, be specifically related to a kind of modified poly ethylene powder coating containing the enhancing of nano boron carbide grafting and activating hydrotalcite 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 modified poly ethylene powder coating containing the enhancing of nano boron carbide grafting and activating hydrotalcite powder and preparation method thereof, the inorganic modified filler activity of adding in this invention is improved, modification efficiency is better, the use properties of coating is better, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of modified poly ethylene powder coating containing the enhancing of nano boron carbide grafting and activating hydrotalcite powder and preparation method thereof, it is characterized in that, this powder coating is made up of the raw material of following weight part: nano boron carbide 0.5-0.8,3-TSL 8330 2-3, hydrotalcite 5-8, pigment 5-6, diethylene glycol dibenzoate 4-6, oxidation inhibitor 2-3, polyoxyethylene glycol 2-3, ethylene-l-octane copolymer 15-20, polyvinyl acetate (PVA) 5-8, polyethylene 38-43;
Described a kind of modified poly ethylene powder coating containing the enhancing of nano boron carbide grafting and activating hydrotalcite powder and preparation method thereof, its preparation method is:
(1) first hydrotalcite is calcined 3-4h in the oxygen atmosphere of 400-500 DEG C, be cooled to room temperature subsequently, be processed as 400-600 order micro mist, obtain activated hydrotalcite micro mist, again the 3-TSL 8330 of activated hydrotalcite micro mist and 0.5-0.8 weight part, nano boron carbide are mixed subsequently, be heated to 60-80 DEG C, be uniformly mixed 2-3h, obtain nano boron carbide grafting and activating hydrotalcite powder for subsequent use;
(2) polyoxyethylene glycol is dissolved in the water of 15-18 weight part, again ethylene-l-octane copolymer, polyvinyl acetate (PVA) are dropped in Aqueous Solutions of Polyethylene Glycol together with polyethylene, after high-speed stirring mixing 60-80min, mixture is dried removing moisture, last nano boron carbide grafting and activating hydrotalcite powder and other remaining component adding step (1) gained again, pre-mixing 80-100min, 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: hydrotalcite powder has been carried out oxygen activation process in advance, and at its surface grafting nano boron carbide, the compound micro-scale filler obtained and the consistency of polymer base-material better, reactive behavior is higher, modified effect is more remarkable, and ethylene-l-octane copolymer, polyvinyl acetate (PVA) and poly compound thermoplastic material show excellent comprehensive mechanical property, powder coating prepared by the present invention shows good mobility and tack, the coating densification formed is smooth, Heat-resistant stable, hard wear resistant, safety is fire-retardant, durable in use, has the market competitiveness.
Embodiment
Embodiment
The coating of the present embodiment is made up of the raw material of following weight part: nano boron carbide 0.6,3-TSL 8330 2.5, hydrotalcite 6, pigment 6, diethylene glycol dibenzoate 5, oxidation inhibitor 2.5, polyoxyethylene glycol 2.8, ethylene-l-octane copolymer 18, polyvinyl acetate (PVA) 6, polyethylene 40.
The preparation method of this powder coating is:
(1) first hydrotalcite is calcined 3.5h in the oxygen atmosphere of 450 DEG C, be cooled to room temperature subsequently, be processed as 600 order micro mists, obtain activated hydrotalcite micro mist, again the 3-TSL 8330 of activated hydrotalcite micro mist and 0.6 weight part, nano boron carbide are mixed subsequently, be heated to 65 DEG C, be uniformly mixed 2.5h, obtain nano boron carbide grafting and activating hydrotalcite powder for subsequent use;
(2) polyoxyethylene glycol is dissolved in the water of 16 weight parts, again ethylene-l-octane copolymer, polyvinyl acetate (PVA) are dropped in Aqueous Solutions of Polyethylene Glycol together with polyethylene, after high-speed stirring mixing 75min, mixture is dried removing moisture, last nano boron carbide grafting and activating hydrotalcite powder and other remaining component adding step (1) gained again, pre-mixing 90min, 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. modified poly ethylene powder coating strengthened containing nano boron carbide grafting and activating hydrotalcite powder and preparation method thereof, it is characterized in that, this powder coating is made up of the raw material of following weight part: nano boron carbide 0.5-0.8,3-TSL 8330 2-3, hydrotalcite 5-8, pigment 5-6, diethylene glycol dibenzoate 4-6, oxidation inhibitor 2-3, polyoxyethylene glycol 2-3,
ethylene-l-octane copolymer 15-20,polyvinyl acetate (PVA) 5-8, polyethylene 38-43.
2. a kind of modified poly ethylene powder coating and preparation method thereof strengthened containing nano boron carbide grafting and activating hydrotalcite powder as claimed in claim 1, its preparation method is:
(1) first hydrotalcite is calcined 3-4h in the oxygen atmosphere of 400-500 DEG C, be cooled to room temperature subsequently, be processed as 400-600 order micro mist, obtain activated hydrotalcite micro mist, again the 3-TSL 8330 of activated hydrotalcite micro mist and 0.5-0.8 weight part, nano boron carbide are mixed subsequently, be heated to 60-80 DEG C, be uniformly mixed 2-3h, obtain nano boron carbide grafting and activating hydrotalcite powder for subsequent use;
(2) polyoxyethylene glycol is dissolved in the water of 15-18 weight part, again ethylene-l-octane copolymer, polyvinyl acetate (PVA) are dropped in Aqueous Solutions of Polyethylene Glycol together with polyethylene, after high-speed stirring mixing 60-80min, mixture is dried removing moisture, last nano boron carbide grafting and activating hydrotalcite powder and other remaining component adding step (1) gained again, pre-mixing 80-100min, 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 |
|---|---|---|---|
| CN201510054185.9A CN104610797A (en) | 2015-02-02 | 2015-02-02 | Activated hydrotalcite powder enhanced modified polyethylene powder coating containing nanometer boron carbide graft and preparation method of powder coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054185.9A CN104610797A (en) | 2015-02-02 | 2015-02-02 | Activated hydrotalcite powder enhanced modified polyethylene powder coating containing nanometer boron carbide graft and preparation method of powder coating |
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| Publication Number | Publication Date |
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| CN104610797A true CN104610797A (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510054185.9A Pending CN104610797A (en) | 2015-02-02 | 2015-02-02 | Activated hydrotalcite powder enhanced modified polyethylene powder coating containing nanometer boron carbide graft and preparation method of powder coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944331A (en) * | 2020-08-04 | 2020-11-17 | 上海核工程研究设计院有限公司 | Surface modification treatment method of anti-settling boron carbide powder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555076A (en) * | 2013-10-16 | 2014-02-05 | 中国石油化工股份有限公司 | Polyethylene material for thermoplastic powder paint and preparation method of polyethylene material |
-
2015
- 2015-02-02 CN CN201510054185.9A patent/CN104610797A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555076A (en) * | 2013-10-16 | 2014-02-05 | 中国石油化工股份有限公司 | Polyethylene material for thermoplastic powder paint and preparation method of polyethylene material |
Non-Patent Citations (2)
| Title |
|---|
| 张秋菊: "《无机晶须填充改性聚合物的应用》", 31 December 2012, article "高分子材料填充改性的一般原理" * |
| 王文广等: "《塑料配方设计 第二版》", 31 July 2004, article "塑料填充配方设计要点" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111944331A (en) * | 2020-08-04 | 2020-11-17 | 上海核工程研究设计院有限公司 | Surface modification treatment method of anti-settling boron carbide powder |
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Application publication date: 20150513 |
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