CN104610798A - Anti-cracking polyethylene powder coating containing silica powder grafted and activated by nano-mesoporous titanium dioxide and preparation method thereof - Google Patents
Anti-cracking polyethylene powder coating containing silica powder grafted and activated by nano-mesoporous titanium dioxide and preparation method thereof Download PDFInfo
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- CN104610798A CN104610798A CN201510054191.4A CN201510054191A CN104610798A CN 104610798 A CN104610798 A CN 104610798A CN 201510054191 A CN201510054191 A CN 201510054191A CN 104610798 A CN104610798 A CN 104610798A
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Abstract
The invention relates to a polyethylene powder coating, and particularly relates to an anti-cracking polyethylene powder coating containing silica powder grafted and activated by nano-mesoporous titanium dioxide and a preparation method thereof. The powder coating is prepared from the following raw materials in parts by weight: 2-3 parts of nano-mesoporous titanium dioxide, 10-12 parts of silica powder, 0.2-0.3 part of carbohydrazide, 2-3 parts of polyethylene glycol, 2-3 parts of aluminate coupling agent DL-411, 8-10 parts of polyurethane fibre, 0.2-0.3 part of dibenzoyl peroxide, 3-5 parts of methyl acrylate, 6-8 parts of diethylene glycol dibenzoate, 1-2 parts of hydrogen-containing silicone oil, 5-8 parts of pigment, 5-8 parts of polypropylene carbonate and 40-50 parts of polyethylene. The inorganic filler is activated and grafted in the production process so that the utilization rate of the raw materials is greatly improved, and the mechanical property of the modified polyethylene is good, the powder coating shows a good mobility and adhesiveness in the using process, during usage, the coating is smooth and tough, compact and stable, durable in use and not easy to crack and also has a strong market competition.
Description
Technical field
The present invention relates to a kind of polyethylene powder coating, be specifically related to a kind of freedom from cracking polyethylene powder coating containing nano meso-porous titanium dioxide grafting and activating silicon 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 freedom from cracking polyethylene powder coating containing nano meso-porous titanium dioxide grafting and activating silicon powder and preparation method thereof, the material modified activity of wherein adding is improved, raw material availability is high, the use properties of polyethylene coating is better, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of freedom from cracking polyethylene powder coating containing nano meso-porous titanium dioxide grafting and activating silicon 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 meso-porous titanium dioxide 2-3, silicon powder 10-12, carbohydrazide 0.2-0.3, polyoxyethylene glycol 2-3, aluminate coupling agent DL-4112-3, polyurethane fiber 8-10, dibenzoyl peroxide 0.2-0.3, methyl acrylate 3-5, diethylene glycol dibenzoate 6-8, containing hydrogen silicone oil 1-2, pigment 5-8, poly (propylene carbonate) 5-8, polyethylene 40-50;
Described a kind of freedom from cracking polyethylene powder coating containing nano meso-porous titanium dioxide grafting and activating silicon powder and preparation method thereof, its preparation method is:
(1) first silicon powder is calcined 3-4h in the oxygen atmosphere of 600-800 DEG C, be cooled to room temperature subsequently, silicon powder must be activated, again the aluminate coupling agent DL-411 of activation silicon powder and 0.6-0.8 weight part, nano meso-porous titanium dioxide are mixed subsequently, be heated to 60-80 DEG C, be uniformly mixed 4-5h, obtain nano meso-porous titanium dioxide grafting and activating silicon powder for subsequent use;
(2) polyoxyethylene glycol is dissolved in the water of 15-18 weight part, again polyurethane fiber, poly (propylene carbonate) 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 meso-porous titanium dioxide grafting and activating silicon 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: silicon powder has been carried out activation treatment in advance, and at its surface grafting nano meso-porous titanium dioxide, greatly improve bonding force and the consistency of this kind of micro-dimension filler and macromolecular material, reinforcing effect is better, raw material availability is higher, and the bonding force of polyethylene after methyl acrylate graft modification and polyurethane fiber increases, composite material exhibits goes out excellent comprehensive mechanical property, powder coating prepared by the present invention shows good mobility and tack, during use, coating is smooth tough and tensile, compact stable, not easily chap, 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 meso-porous titanium dioxide 2, silicon powder 10, carbohydrazide 0.2, polyoxyethylene glycol 2, aluminate coupling agent DL-4112, polyurethane fiber 10, dibenzoyl peroxide 0.2, methyl acrylate 4, diethylene glycol dibenzoate 7, containing hydrogen silicone oil 1.5, pigment 6, poly (propylene carbonate) 6, polyethylene 45.
The preparation method of this powder coating is:
(1) first silicon powder is calcined 3.5h in the oxygen atmosphere of 680 DEG C, be cooled to room temperature subsequently, silicon powder must be activated, again the aluminate coupling agent DL-411 of activation silicon powder and 0.6 weight part, nano meso-porous titanium dioxide are mixed subsequently, be heated to 75 DEG C, be uniformly mixed 4.5h, obtain nano meso-porous titanium dioxide grafting and activating silicon powder for subsequent use;
(2) polyoxyethylene glycol is dissolved in the water of 16 weight parts, again polyurethane fiber, poly (propylene carbonate) are dropped in Aqueous Solutions of Polyethylene Glycol together with polyethylene, after high-speed stirring mixing 65min, mixture is dried removing moisture, last nano meso-porous titanium dioxide grafting and activating silicon powder and other remaining component adding step (1) gained again, pre-mixing 85min, 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 150-300 order and get final product.
Polyethylene powder coating the performance test results obtained by the present embodiment is:
Claims (2)
1. freedom from cracking polyethylene powder coating containing nano meso-porous titanium dioxide grafting and activating silicon 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 meso-porous titanium dioxide 2-3, silicon powder 10-12, carbohydrazide 0.2-0.3, polyoxyethylene glycol 2-3, aluminate coupling agent DL-411 2-3, polyurethane fiber 8-10, dibenzoyl peroxide 0.2-0.3, methyl acrylate 3-5, diethylene glycol dibenzoate 6-8, containing hydrogen silicone oil 1-2, pigment 5-8, poly (propylene carbonate) 5-8, polyethylene 40-50.
2. a kind of freedom from cracking polyethylene powder coating containing nano meso-porous titanium dioxide grafting and activating silicon powder and preparation method thereof as claimed in claim 1, its preparation method is:
(1) first silicon powder is calcined 3-4h in the oxygen atmosphere of 600-800 DEG C, be cooled to room temperature subsequently, silicon powder must be activated, again the aluminate coupling agent DL-411 of activation silicon powder and 0.6-0.8 weight part, nano meso-porous titanium dioxide are mixed subsequently, be heated to 60-80 DEG C, be uniformly mixed 4-5h, obtain nano meso-porous titanium dioxide grafting and activating silicon powder for subsequent use;
(2) polyoxyethylene glycol is dissolved in the water of 15-18 weight part, again polyurethane fiber, poly (propylene carbonate) 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 meso-porous titanium dioxide grafting and activating silicon 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510054191.4A CN104610798A (en) | 2015-02-02 | 2015-02-02 | Anti-cracking polyethylene powder coating containing silica powder grafted and activated by nano-mesoporous titanium dioxide and preparation method thereof |
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| CN201510054191.4A CN104610798A (en) | 2015-02-02 | 2015-02-02 | Anti-cracking polyethylene powder coating containing silica powder grafted and activated by nano-mesoporous titanium dioxide and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267473A (en) * | 2022-02-28 | 2022-04-01 | 西安宏星电子浆料科技股份有限公司 | Easily-printed chip resistor paste with stable viscosity and thixotropic value |
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| JP2001072723A (en) * | 1999-09-07 | 2001-03-21 | Nippon Paper Industries Co Ltd | Modified polyolefin resin composition |
| WO2011128147A1 (en) * | 2010-04-14 | 2011-10-20 | Borealis Ag | Crosslinkable polymer composition and cable with advantageous electrical properties |
| CN102585623A (en) * | 2012-03-14 | 2012-07-18 | 沈阳顺风新城建筑材料有限公司 | Nanometer mesoporous titanium dioxide/nanometer silica sol coating and preparation method thereof |
| CN103059650A (en) * | 2012-12-26 | 2013-04-24 | 山东山大世纪科技有限公司 | Nanometer coating used for preventing icing of high tension transmission line and application thereof |
| CN103613828A (en) * | 2013-11-26 | 2014-03-05 | 无锡市明珠电缆有限公司 | High-voltage direct-current cable material as well as preparation method and applications thereof |
| CN103740213A (en) * | 2013-09-25 | 2014-04-23 | 上海工程技术大学 | Silica micropowder-containing latex coating and preparation method thereof |
| CN103756558A (en) * | 2013-12-30 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Flame-retardant insulated cable coating |
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2015
- 2015-02-02 CN CN201510054191.4A patent/CN104610798A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001072723A (en) * | 1999-09-07 | 2001-03-21 | Nippon Paper Industries Co Ltd | Modified polyolefin resin composition |
| WO2011128147A1 (en) * | 2010-04-14 | 2011-10-20 | Borealis Ag | Crosslinkable polymer composition and cable with advantageous electrical properties |
| CN102585623A (en) * | 2012-03-14 | 2012-07-18 | 沈阳顺风新城建筑材料有限公司 | Nanometer mesoporous titanium dioxide/nanometer silica sol coating and preparation method thereof |
| CN103059650A (en) * | 2012-12-26 | 2013-04-24 | 山东山大世纪科技有限公司 | Nanometer coating used for preventing icing of high tension transmission line and application thereof |
| CN103740213A (en) * | 2013-09-25 | 2014-04-23 | 上海工程技术大学 | Silica micropowder-containing latex coating and preparation method thereof |
| CN103613828A (en) * | 2013-11-26 | 2014-03-05 | 无锡市明珠电缆有限公司 | High-voltage direct-current cable material as well as preparation method and applications thereof |
| CN103756558A (en) * | 2013-12-30 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Flame-retardant insulated cable coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114267473A (en) * | 2022-02-28 | 2022-04-01 | 西安宏星电子浆料科技股份有限公司 | Easily-printed chip resistor paste with stable viscosity and thixotropic value |
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