CN103333585A - Low-temperature epoxy resin nylon powder coating and preparation method thereof - Google Patents
Low-temperature epoxy resin nylon powder coating and preparation method thereof Download PDFInfo
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- CN103333585A CN103333585A CN2013102076123A CN201310207612A CN103333585A CN 103333585 A CN103333585 A CN 103333585A CN 2013102076123 A CN2013102076123 A CN 2013102076123A CN 201310207612 A CN201310207612 A CN 201310207612A CN 103333585 A CN103333585 A CN 103333585A
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Abstract
A low-temperature epoxy resin nylon powder coating and a preparation method thereof are disclosed. The coating is characterized by comprising following raw materials in parts by weight: 68 to 75 parts of E-12 epoxy resin, 10 to 12 parts of nylon 66, 0.6 to 0.8 part of film-forming auxiliary agent, 15 to 17 parts of 1,2- dimethylimidazole, 0.4 to 0.8 part of CL310 type levelling agent, 1.8 to 2.5 parts of silane coupling agent KH550, 2.0 to 3.0 potash feldspar powder, 20 to 40 parts of nano carbon, 4.5 to 5.0 parts of fatty alcohol polyoxyethylene ether, 0.7 to 0.9 part of lithium laurate, and 28 to 35 parts of nano brick slag powder. The method adopts E-12 epoxy resin and nylon 66 as the main materials, after curing and forming, the coating has gloss, toughness, strong adhesive force, abrasion resistance, weatherability and insulativity. The method, through mixture modification of nylon 66 and potash feldspar powder, adds the dispersibility of the coating and improves the levelability of the powder coating.
Description
Technical field
The present invention relates to art of powder coatings, relate in particular to a kind of low temperature epoxy resin nylon powder coating and preparation method thereof.
Background technology
Along with the sustained, stable growth of China's economy and improving constantly of living standards of the people, the powder coating business of hardware also constantly increases, especially industries such as household electrical appliance, instrument, traffic facilities, aluminium section bar, various vehicle and haberdashery and hardware, powder coating can provide good corrosionproof protection and decorate properties to metal, but owing to the antifouling property of the existing coating that is used for above-mentioned field is undesirable, often adhere to all kinds of dusts, dirt or even greasy dirt on the coating; Anti-stick subsides ability is also undesirable, and the coating that forms of existing powder coating phenomenon such as be prone to foaming under the effect of natural conditions, ftracture, peel off such as be exposed to the sun for a long time out of doors, drench with rain, and therefore, the mechanical property of coating is also undesirable.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of low temperature epoxy resin nylon powder coating and preparation method thereof is provided.
The present invention adopts following technical scheme to achieve these goals:
A kind of low temperature epoxy resin nylon powder coating, the weight part that it is characterized in that its constitutive material is: E-12 epoxy resin 68-75, nylon 66 10-12, film coalescence aid 7413 0.6-0.8,1,2 dimethylimidazole 15-17, CL310 type flow agent 0.4-0.8, silane coupling agent KH550 1.8-2.5, feldspar in powder 2.0-3.0, nano-sized carbon 20-40, fatty alcohol-polyoxyethylene ether 4.5-5.0, lithium laurate 0.7-0.9 and nanometer brick ground-slag end 28-35.
Described E-12 epoxy resin powder coating, the weight part that it is characterized in that its constitutive material is: E-12 epoxy resin 72, nylon 66 10, film coalescence aid 7,413 0.7,1,2 dimethylimidazole 16, CL310 type flow agent 0.6, silane coupling agent KH5502.2, feldspar in powder 2.5, nano-sized carbon 30, fatty alcohol-polyoxyethylene ether 4.8, lithium laurate 0.8 and nanometer brick ground-slag end 30.
The preparation method of described E-12 epoxy resin powder coating is characterized in that may further comprise the steps:
(1) at first feldspar in powder, nano-sized carbon, nanometer brick ground-slag end, nylon 66 are mixed, add fatty alcohol-polyoxyethylene ether, lithium laurate stirring 1-2 hour again, then, add silane coupling agent KH550, be heated to 80-90 ℃, stirred 1-2 hour, obtain;
(2) weight part by constitutive material takes by weighing E-12 epoxy resin and other residue constitutive material and step (1) mixing of materials, mix then and stir, send into the forcing machine extruding pelletization, extruder temperature is 100-130 ℃, after the granulation cooling, when being ground to the 200-300 order; Stop to grind packing.
Solidification value 125-140 of the present invention ℃; Be incubated 30-45 minute.
Beneficial effect of the present invention:
Major ingredient E-12 epoxy resin of the present invention, nylon 66, one-step solidification is namely plastic, behind the film-forming, glossy and toughness, strong adhesion, and have good wear resistance, weathering resistance and insulativity etc., the present invention is mixed and modified by nylon 66 and feldspar in powder etc., increase its dispersiveness, improved the levelling property of powder coating.
Embodiment
Embodiment 1: low temperature epoxy resin nylon powder coating, the weight part of its constitutive material (kg) is: E-12 epoxy resin 72, nylon 66 10, film coalescence aid 7,413 0.7,1,2 dimethylimidazole 16, CL310 type flow agent 0.6, silane coupling agent KH5502.2, feldspar in powder 2.5, nano-sized carbon 30, fatty alcohol-polyoxyethylene ether 4.8, lithium laurate 0.8 and nanometer brick ground-slag end 30.
The preparation method of low temperature epoxy resin nylon powder coating is characterized in that may further comprise the steps:
(1) at first feldspar in powder, nano-sized carbon, nanometer brick ground-slag end, nylon 66 are mixed, add fatty alcohol-polyoxyethylene ether, lithium laurate stirring 1-2 hour again, then, add silane coupling agent KH550, be heated to 80-90 ℃, stirred 1-2 hour, obtain;
(2) weight part by constitutive material takes by weighing E-12 epoxy resin and other residue constitutive material and step (1) mixing of materials, mix then and stir, send into the forcing machine extruding pelletization, extruder temperature is 100-130 ℃, after the granulation cooling, when being ground to the 200-300 order; Stop to grind packing.
Adopt the electrostatic spraying constructional method to act on the natural gas line of spray treatment this powder coating, abundant curing through 110 ℃, naturally cool to room temperature, behind the placement 23h, measure coating performance, its coating shock strength 〉=89.8cm, salt-fog resistant time 〉=3450h, artificial accelerated aging time 〉=3280h, resistance toheat 〉=585, exposure to weather(ing) 25 months is non-foaming, non-corrosive, do not ftracture, do not peel off, to rate of decomposition 〉=96.8% of greasy dirt.
Claims (3)
1. low temperature epoxy resin nylon powder coating, the weight part that it is characterized in that its constitutive material is: E-12 epoxy resin 68-75, nylon 66 10-12, film coalescence aid 7413 0.6-0.8,1,2 dimethylimidazole 15-17, CL310 type flow agent 0.4-0.8, silane coupling agent KH550 1.8-2.5, feldspar in powder 2.0-3.0, nano-sized carbon 20-40, fatty alcohol-polyoxyethylene ether 4.5-5.0, lithium laurate 0.7-0.9 and nanometer brick ground-slag end 28-35.
2. E-12 epoxy resin powder coating according to claim 1, the weight part that it is characterized in that its constitutive material is: E-12 epoxy resin 72, nylon 66 10, film coalescence aid 7,413 0.7,1,2 dimethylimidazole 16, CL310 type flow agent 0.6, silane coupling agent KH5502.2, feldspar in powder 2.5, nano-sized carbon 30, fatty alcohol-polyoxyethylene ether 4.8, lithium laurate 0.8 and nanometer brick ground-slag end 30.
3. the preparation method of an E-12 epoxy resin powder coating as claimed in claim 1 is characterized in that may further comprise the steps:
(1) at first feldspar in powder, nano-sized carbon, nanometer brick ground-slag end, nylon 66 are mixed, add fatty alcohol-polyoxyethylene ether, lithium laurate stirring 1-2 hour again, then, add silane coupling agent KH550, be heated to 80-90 ℃, stirred 1-2 hour, obtain;
(2) weight part by constitutive material takes by weighing E-12 epoxy resin and other residue constitutive material and step (1) mixing of materials, mix then and stir, send into the forcing machine extruding pelletization, extruder temperature is 100-130 ℃, after the granulation cooling, when being ground to the 200-300 order; Stop to grind packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102076123A CN103333585A (en) | 2013-05-30 | 2013-05-30 | Low-temperature epoxy resin nylon powder coating and preparation method thereof |
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| CN2013102076123A CN103333585A (en) | 2013-05-30 | 2013-05-30 | Low-temperature epoxy resin nylon powder coating and preparation method thereof |
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| CN103333585A true CN103333585A (en) | 2013-10-02 |
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| CN2013102076123A Pending CN103333585A (en) | 2013-05-30 | 2013-05-30 | Low-temperature epoxy resin nylon powder coating and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519544A (en) * | 2009-04-03 | 2009-09-02 | 丹阳市科瑞特粉末新材料有限公司 | Ultra-low temperature epoxy resin nylon hybrid thermosetting powder coating and method for preparing same |
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- 2013-05-30 CN CN2013102076123A patent/CN103333585A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519544A (en) * | 2009-04-03 | 2009-09-02 | 丹阳市科瑞特粉末新材料有限公司 | Ultra-low temperature epoxy resin nylon hybrid thermosetting powder coating and method for preparing same |
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Application publication date: 20131002 |
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