CN103773091A - High-hardness polypropylene powder coating - Google Patents
High-hardness polypropylene powder coating Download PDFInfo
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- CN103773091A CN103773091A CN201410017897.9A CN201410017897A CN103773091A CN 103773091 A CN103773091 A CN 103773091A CN 201410017897 A CN201410017897 A CN 201410017897A CN 103773091 A CN103773091 A CN 103773091A
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Abstract
The invention discloses a high-hardness polypropylene powder coating, which comprises the following active ingredients in parts by weight: 90-94 parts of polypropylene, 6-10 parts of attapulgite, 4-6 parts of iso-octyl methacrylate, 0.5-1 part of pyromellitic acid dianhydride, 0.1-1 part of triclocarban, 2-3 parts of tetrabutylammonium bromide, 2-4 parts of silicon carbide, 10-13 parts of montmorillonite, 0.7-1 part of tributyltin trichloride, 2-4 parts of poly(ethylene glycol), 0.5-1 part of sodium thiosulfate, and 6-12 parts of modified filler. The powder coating is especially applicable to radiation coating of an LED (Light-Emitting Diode) lamp, and is simple to prepare, non-toxic, pollution-free, rich in the sources of active ingredients and low in cost, as well as high in coating hardness, strong in impact resistance, and excellent in corrosion resistance property.
Description
Technical field
The present invention relates generally to a kind of powder coating, relates in particular to a kind of high rigidity polypropylene powder coating (s).
Background technology
Heat conduction and heat radiation coating is widely used in computer, notebook computer, LED illumination, communication, rectifier, and medical treatment and industrial equipments etc. has the field of heat radiation requirement, is mainly coated in the surface of scatterer.
The heat radiation coating of producing at present is generally applied to heat radiation and the heat radiation of LED light fixture of the components and parts of the electronic products such as CPU more, medium for brushing is had relatively high expectations, not strong for more coarse, loose body surface sticking power, result of use is undesirable, and the scope of application is less.
Summary of the invention
The object of the invention is just to provide a kind of high rigidity polypropylene powder coating (s).
The present invention is achieved by the following technical solutions:
A kind of high rigidity polypropylene powder coating (s), is characterized in that what it was made up of the raw material of following weight parts:
Polypropylene 90-94, attapulgite 6-10, Isooctyl methacrylate 4-6, pyromellitic acid dianhydride 0.5-1, TCC 0.4-1, Tetrabutyl amonium bromide 2-3, silicon carbide 2-4, montmorillonite powder 10-13, tributyl tin trichloride 0.7-1, polyoxyethylene glycol 2-4, Sulfothiorine 0.5-1, modified filler 6-12;
Described modified filler is made up of the raw material of following weight parts:
Loess 20-24, alkali magnesium sulfate crystal whisker 6-8, gibbsite 5-7, the cross-linking modified polyvinyl alcohol glue 2-4 of tolylene diisocyanate, hexagonal boron nitride 2-3, Stockholm tar 1-2;
Above-mentioned loess is calcined to 1-2 hour at 600-700 ℃, be cooled to room temperature, become powder with hexagonal boron nitride mixed grinding; Above-mentioned alkali magnesium sulfate crystal whisker is mixed with gibbsite, and heated and stirred 3-4 minute at 120-160 ℃, reduces temperature to 60-70 ℃, adds the cross-linking modified polyvinyl alcohol glue of tolylene diisocyanate, and 200-300 rev/min is stirred 10-20 minute; Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and fully ball milling, obtains described modified filler.
A preparation method for high rigidity polypropylene powder coating (s), comprises the following steps:
Above-mentioned each raw material is mixed, put into twin screw extruder, carry out melting, extrude and granulation, abrasive dust is also crossed 100-120 mesh sieve, obtains described high rigidity polypropylene powder coating (s).
Advantage of the present invention is:
Powder coating of the present invention is specially adapted to the heat radiation application of LED lamp, and preparation is simple, nontoxic, pollution-free, and enrich and low price in starting material source, and coating hardness is high, and shock resistance is strong, good corrosion resistance.
Embodiment
Embodiment 1
A kind of high rigidity polypropylene powder coating (s), it is characterized in that it by following weight parts (kilogram) raw material form:
Polypropylene 94, attapulgite 10, Isooctyl methacrylate 4, pyromellitic acid dianhydride 0.5, TCC 0.4, Tetrabutyl amonium bromide 2, silicon carbide 2, montmorillonite powder 13, tributyl tin trichloride 1, polyoxyethylene glycol 4, Sulfothiorine 0.5, modified filler 6;
Described modified filler is made up of the raw material of following weight parts:
Loess 24, alkali magnesium sulfate crystal whisker 8, gibbsite 7, the cross-linking modified polyvinyl alcohol glue 2 of tolylene diisocyanate, hexagonal boron nitride 3, Stockholm tar 1;
Above-mentioned loess is calcined 2 hours at 700 ℃, be cooled to room temperature, become powder with hexagonal boron nitride mixed grinding; Above-mentioned alkali magnesium sulfate crystal whisker is mixed with gibbsite, and heated and stirred 4 minutes at 160 ℃, reduces temperature to 70 ℃, adds the cross-linking modified polyvinyl alcohol glue of tolylene diisocyanate, and 300 revs/min are stirred 20 minutes; Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and fully ball milling, obtains described modified filler.
A preparation method for high rigidity polypropylene powder coating (s), comprises the following steps:
Above-mentioned each raw material is mixed, put into twin screw extruder, carry out melting, extrude and granulation, abrasive dust is also crossed 100 mesh sieves, obtains described high rigidity polypropylene powder coating (s).
Performance test:
Tensile strength: 23.4MPa;
Elongation at break 224.2%.
Claims (2)
1. a high rigidity polypropylene powder coating (s), is characterized in that what it was made up of the raw material of following weight parts:
Polypropylene 90-94, attapulgite 6-10, Isooctyl methacrylate 4-6, pyromellitic acid dianhydride 0.5-1, TCC 0.4-1, Tetrabutyl amonium bromide 2-3, silicon carbide 2-4, montmorillonite powder 10-13, tributyl tin trichloride 0.7-1, polyoxyethylene glycol 2-4, Sulfothiorine 0.5-1, modified filler 6-12;
Described modified filler is made up of the raw material of following weight parts:
Loess 20-24, alkali magnesium sulfate crystal whisker 6-8, gibbsite 5-7, the cross-linking modified polyvinyl alcohol glue 2-4 of tolylene diisocyanate, hexagonal boron nitride 2-3, Stockholm tar 1-2;
Above-mentioned loess is calcined to 1-2 hour at 600-700 ℃, be cooled to room temperature, become powder with hexagonal boron nitride mixed grinding; Above-mentioned alkali magnesium sulfate crystal whisker is mixed with gibbsite, and heated and stirred 3-4 minute at 120-160 ℃, reduces temperature to 60-70 ℃, adds the cross-linking modified polyvinyl alcohol glue of tolylene diisocyanate, and 200-300 rev/min is stirred 10-20 minute; Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and fully ball milling, obtains described modified filler.
2. a preparation method for high rigidity polypropylene powder coating (s) as claimed in claim 1, is characterized in that comprising the following steps:
Above-mentioned each raw material is mixed, put into twin screw extruder, carry out melting, extrude and granulation, abrasive dust is also crossed 100-120 mesh sieve, obtains described high rigidity polypropylene powder coating (s).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017897.9A CN103773091A (en) | 2014-01-15 | 2014-01-15 | High-hardness polypropylene powder coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017897.9A CN103773091A (en) | 2014-01-15 | 2014-01-15 | High-hardness polypropylene powder coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103773091A true CN103773091A (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410017897.9A Pending CN103773091A (en) | 2014-01-15 | 2014-01-15 | High-hardness polypropylene powder coating |
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| CN (1) | CN103773091A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201092A (en) * | 2017-07-24 | 2017-09-26 | 谢泳江 | A kind of preparation method of epoxidation crosslinked polypropylene powdery paints |
| CN108359280A (en) * | 2017-12-28 | 2018-08-03 | 佛山市因诺维生物科技有限公司 | A kind of LED lamp coating |
| CN108359279A (en) * | 2017-12-28 | 2018-08-03 | 佛山市因诺维生物科技有限公司 | A kind of coating in LED light |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718765A (en) * | 1980-07-08 | 1982-01-30 | Mitsubishi Electric Corp | Thermosetting powdered coating compound |
| CN102585666A (en) * | 2012-02-27 | 2012-07-18 | 江苏华光粉末有限公司 | Powder coating for radiator and preparation process of powder coating |
| CN103289525A (en) * | 2013-05-31 | 2013-09-11 | 安徽国电能源设备工程有限公司 | High-hardness powder coating |
| CN103497646A (en) * | 2013-09-03 | 2014-01-08 | 蚌埠市英路光电有限公司 | Stainless-steel-color aluminum silver powder paint |
-
2014
- 2014-01-15 CN CN201410017897.9A patent/CN103773091A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718765A (en) * | 1980-07-08 | 1982-01-30 | Mitsubishi Electric Corp | Thermosetting powdered coating compound |
| CN102585666A (en) * | 2012-02-27 | 2012-07-18 | 江苏华光粉末有限公司 | Powder coating for radiator and preparation process of powder coating |
| CN103289525A (en) * | 2013-05-31 | 2013-09-11 | 安徽国电能源设备工程有限公司 | High-hardness powder coating |
| CN103497646A (en) * | 2013-09-03 | 2014-01-08 | 蚌埠市英路光电有限公司 | Stainless-steel-color aluminum silver powder paint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201092A (en) * | 2017-07-24 | 2017-09-26 | 谢泳江 | A kind of preparation method of epoxidation crosslinked polypropylene powdery paints |
| CN108359280A (en) * | 2017-12-28 | 2018-08-03 | 佛山市因诺维生物科技有限公司 | A kind of LED lamp coating |
| CN108359279A (en) * | 2017-12-28 | 2018-08-03 | 佛山市因诺维生物科技有限公司 | A kind of coating in LED light |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140507 |