CN105176331A - Acrylic acid and silicon-aluminum composite high-heat-dissipation powder coating for engine - Google Patents
Acrylic acid and silicon-aluminum composite high-heat-dissipation powder coating for engine Download PDFInfo
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- CN105176331A CN105176331A CN201510624536.5A CN201510624536A CN105176331A CN 105176331 A CN105176331 A CN 105176331A CN 201510624536 A CN201510624536 A CN 201510624536A CN 105176331 A CN105176331 A CN 105176331A
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Abstract
The invention discloses an acrylic acid and silicon-aluminum composite high-heat-dissipation powder coating for an engine. The powder coating comprises a bottom layer powder coating body and a surface layer powder coating body. The bottom layer powder coating body is prepared from, by mass, 60% of weather-proof polyester resin, 3% of semi-crystalline modified resin, 7% of epoxy resin, 4% of high heat conductive agents, 5% of flatting agents, 16% of flatting agent filler and 5% of pigments; the surface layer powder coating body is prepared from, by mass, 75% of weather-proof acrylic resin, 5% of dodecanedioic acid curing agents, 3% of silicon-aluminum coated aluminum powder, 1% of bonding auxiliaries and 1% of dispersing auxiliaries. Compared with the prior art, the bottom layer powder coating body and the surface layer powder coating body are sequentially prepared and coated to obtain a thick coating, the effect is full, and the abrasive resistance is high; a metal effect which is the same as paint can be achieved, and for the heat dissipation effect, the temperature achieved by means of the acrylic acid and silicon-aluminum composite powder coating after heat dissipation is 20-30 DEG C lower than that achieved by means of ordinary powder after heat dissipation.
Description
Technical field
The present invention relates to powder coating technology field, particularly relate to a kind of vinylformic acid sial compound height dissipated motor powder coating.
Background technology
Environmental requirement is the large power promoting powder coating development, because manufacturer is all finding the approach reducing product VOC, therefore naturally instead of liquid coating at some field powder coating.
Powder coating is made up of polymkeric substance, pigment and additive.In in the past 10 years, the tempo of powder coating is very fast in the world, and annual average rate of increase is 8%-15%.The regulation of the control Volatile organic emissions amount that United States Government formulates is conducive to the application of powder coating.
But the application of powder coating is also restricted because of its some intrinsic shortcomings, as low in smooth finish and be difficult to change color etc. at enamel booth.Powder spraying all uses and once sprays, can not replacing paint effect completely in effect and performance, for the general problem that above powder coating industry exists, my company is devoted to study the powder coating being equal to paint effect, from formulating of recipe to producing and the improvement of spraying coating process, and correspondingly in actual use properties, be better than paint spraying, reach higher advanced level both at home and abroad
Current oil paint coating produces Problems existing: solve paint and in use discharge poisonous and harmful organic solvent in a large number to atmospheric environment, the cost that environment is paid for it is too large, the impact caused workmen's physical impairment in paint use procedure is lifelong for a long time, solve paint in construction process to the injury of workmen's health, paint belongs to combustible and explosive articles, certain difficulty and danger is all there is in transport and storage process, oil paint coating not only production efficiency is low, and paint can not reclaim use.
In prior art, powder coating and metal clear not as painting in conjunction with effect; And the thermal diffusivity of powder coating is poor.The radiating of engine has following several situation 1, Water in Water Tanks at engine cylinder-body surrounding loop, rotates the air-flow produced take away hot temperature by radiator fan.2, the lubricating oil in engine block also plays thermolysis, it body internal recycle except lubrication friction surface, clean assorted cut except hot temperature can also be taken away, complete heat radiation by oil radiator.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and a kind of preparation method improving the vinylformic acid sial compound height dissipated motor powder coating of engine radiating performance is provided.
The technical scheme adopted for realizing object of the present invention is:
A kind of vinylformic acid sial compound height dissipated motor powder coating, is characterized in that comprising bottom powder coating and top layer powder coating; Described bottom powder coating, according to mass percent, comprises following component: the weatherable polyether resin of 60%, the hypocrystalline modified resin of 3%, 7% epoxy resin, 4% high thermal conducting agent, the flow agent of 5%, the barium sulfate filler of 16% and 5% pigment; Described top layer powder coating, according to mass percent, comprises following component: the Weathering-resisting acrylic-resin of 75%, the 12 charcoal diprotic acid solidifying agent of 5%, the sial coating aluminium powder of 3%, the nation of 1% determine the dispersing auxiliary of auxiliary agent and 1%.
Preferably, described hypocrystalline modified resin is acroleic acid resin.
Preferably, described high thermal conducting agent is high thermal conductive silicon glue caking agent.
Preferably, described flow agent is polyacrylic ester.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the vinylformic acid sial compound height dissipated motor powder coating that prepared by the present invention can be solid matter, solvent-free volatilization.Coating construction process is simple, and production efficiency is high, environmental protection; Can obtain thick coating to bottom powder coating, top layer powder coating and their application successively, effect is full, and wear resistance is high; Because its coating is thicker, density is higher, in loading transportation, substantially increase work-ing life, its good mechanical property, can be good at solving the pull-away problem caused of colliding with in transportation;
(2) top layer powder coating with the addition of sial coating aluminium powder, nation determines auxiliary agent and dispersing auxiliary, fully can reach and paint identical metal effect after mixing;
(3) the present invention is coated in the outside of engine, its radiating effect 20-30 DEG C lower than the temperature of ordinary powder.
Accompanying drawing explanation
Figure 1 shows that heat dispersion comparison diagram.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment:
A kind of vinylformic acid sial compound height dissipated motor powder coating, comprises bottom powder coating and top layer powder coating;
Described bottom powder coating, according to mass percent, comprises following component: the weatherable polyether resin of 60%, the hypocrystalline modified resin of 3%, 7% epoxy resin, 4% high thermal conducting agent, the flow agent of 5%, the barium sulfate filler of 16% and 5% pigment;
Described top layer powder coating, according to mass percent, comprises following component: the Weathering-resisting acrylic-resin of 75%, the 12 charcoal diprotic acid solidifying agent of 5%, the sial coating aluminium powder of 3%, the nation of 1% determine the dispersing auxiliary of auxiliary agent and 1%.
The preparation method of aforesaid propylene acid sial compound height dissipated motor powder coating, is characterized in that comprising the following steps:
(1) bottom powder coating is prepared
According to mass percent, take following component: the weatherable polyether resin of 60%, the hypocrystalline modified resin of 3%, 7% epoxy resin, 4% high thermal conducting agent, the flow agent of 5%, the barium sulfate filler of 16% and 5% pigment; After being mixed by each component taken, after forcing machine melt extrudes, broken compressing tablet is ground into powder obtained;
(2) top layer powder coating is prepared
According to mass percent, take following component: the Weathering-resisting acrylic-resin of 75%, the 12 charcoal diprotic acid solidifying agent of 5%, the sial coating aluminium powder of 3%, the nation of 1% determine the dispersing auxiliary of auxiliary agent and 1%; After the Weathering-resisting acrylic-resin taken and 12 charcoal diprotic acid solidifying agent are fully mixed, melt extruded by forcing machine, broken compressing tablet grind into powder; Auxiliary agent and dispersing auxiliary is determined again by adding the sial coating aluminium powder, the nation that take in this powder, obtained after super mixer fully mixes; The working parameter of described super mixer is: mixing temperature 50 DEG C, motor speed per minute 1500 turns, electric moter voltage 380V, current of electric 36A, power of motor 18.5KW.
(3) sprayed layer undercoat powder coating
Use high-pressure electrostatic spray gun to spray bottom powder coating, solidified by thermostatic drying chamber after spraying, the coating thickness after solidification reaches 60-80 μm; Use high-pressure electrostatic spray gun to spray bottom powder coating, solidified at 180 DEG C by thermostatic drying chamber after spraying, the coating thickness after solidification reaches 60-80 μm;
(4) top layer powder coating is sprayed
Use high-pressure electrostatic spray gun to spray top layer powder coating, solidified at 180 DEG C by thermostatic drying chamber after spraying, the coating thickness after solidification reaches 120-160 μm.
The operating voltage 60-80V of high-pressure electrostatic spray gun described in step (3), (4).
Prepare selection and the source of bottom powder coating component:
The buying of weatherable polyether resin is from Dutch DSM;
Acroleic acid resin selected by hypocrystalline modified resin, purchases from Zhejiang Tian Song company limited;
Epoxy resin buying is permanent far away from Anhui;
High thermal conducting agent selects high thermal conductive silicon glue caking agent, purchases from Tianjin Song Wei trade Co., Ltd;
Flow agent selects polyacrylic ester, purchases from the good scientific and technological trade Co., Ltd of Tianjin ancestor;
Barium sulfate filler buying is from Qingdao east wind company limited;
Pigment buying is from Taiwan Lian Hong pigment company limited.
The selection of preparation top layer powder coating component and source:
Acrylic resin buying likes card from Japanese DIC, the buying of sial coating aluminium powder from Germany from Degussa, 12 charcoal diprotic acid solidifying agent buyings, nation determine auxiliary agent and dispersing auxiliary and purchases from Tianjin Song Wei trading company.
Detect: the vinylformic acid sial compound height dissipated motor powder coating prepared by aforesaid method, sampling detects, and detected result is as follows:
Vinylformic acid sial compound height dissipated motor powder coating material the present invention prepared is in the outside of engine, its radiating effect graphic representation as shown in Figure 1, show the radiating effect of powder coating prepared by the present invention than commercially available ordinary powder coating the low 20-30 DEG C of temperature.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a vinylformic acid sial compound height dissipated motor powder coating, is characterized in that comprising bottom powder coating and top layer powder coating; Described bottom powder coating, according to mass percent, comprises following component: the weatherable polyether resin of 60%, the hypocrystalline modified resin of 3%, 7% epoxy resin, 4% high thermal conducting agent, the flow agent of 5%, the barium sulfate filler of 16% and 5% pigment; Described top layer powder coating, according to mass percent, comprises following component: the Weathering-resisting acrylic-resin of 75%, the 12 charcoal diprotic acid solidifying agent of 5%, the sial coating aluminium powder of 3%, the nation of 1% determine the dispersing auxiliary of auxiliary agent and 1%.
2. a kind of vinylformic acid sial compound height dissipated motor powder coating according to claim 1, is characterized in that described hypocrystalline modified resin is acroleic acid resin.
3. a kind of vinylformic acid sial compound height dissipated motor powder coating according to claim 1, is characterized in that described high thermal conducting agent is high thermal conductive silicon glue caking agent.
4. a kind of vinylformic acid sial compound height dissipated motor powder coating according to claim 1, is characterized in that described flow agent is polyacrylic ester.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510624536.5A CN105176331A (en) | 2015-09-25 | 2015-09-25 | Acrylic acid and silicon-aluminum composite high-heat-dissipation powder coating for engine |
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| CN201510624536.5A CN105176331A (en) | 2015-09-25 | 2015-09-25 | Acrylic acid and silicon-aluminum composite high-heat-dissipation powder coating for engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009846A (en) * | 2016-08-12 | 2016-10-12 | 安庆市七仙女电器制造有限公司 | Desk lamp heat-radiation paint and production method thereof |
| CN106280879A (en) * | 2016-08-12 | 2017-01-04 | 安庆市七仙女电器制造有限公司 | A kind of electric massager heat radiation coating and preparation method thereof |
| CN106501054A (en) * | 2016-12-12 | 2017-03-15 | 西南石油大学 | A kind of mould for preparing artificial side's rock core and the preparation method of square rock core |
| CN109913088A (en) * | 2019-02-23 | 2019-06-21 | 廊坊艾格玛新立材料科技有限公司 | The compound high heat-dissipation powder paint of acrylic acid sial and its preparation process |
| CN110194929A (en) * | 2019-02-20 | 2019-09-03 | 李康鹏 | A kind of preparation method of heat-resisting heat radiating type powdery paints |
| CN113549361A (en) * | 2021-06-25 | 2021-10-26 | 江苏兰陵高分子材料有限公司 | High-molecular composite coating material with high reflectivity to sunlight |
| CN114106668A (en) * | 2021-10-25 | 2022-03-01 | 安徽华辉塑业科技股份有限公司 | Novel nanoscale powder coating for airplanes |
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| CN103980787A (en) * | 2014-04-30 | 2014-08-13 | 张家港江南粉末涂料有限公司 | Acrylic acid transparent powdery paint for glazing and preparation method thereof |
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| JPH06192531A (en) * | 1992-12-24 | 1994-07-12 | Mitsui Toatsu Chem Inc | Thermosetting acrylic resin composition having excellent adhesivity |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009846A (en) * | 2016-08-12 | 2016-10-12 | 安庆市七仙女电器制造有限公司 | Desk lamp heat-radiation paint and production method thereof |
| CN106280879A (en) * | 2016-08-12 | 2017-01-04 | 安庆市七仙女电器制造有限公司 | A kind of electric massager heat radiation coating and preparation method thereof |
| CN106501054A (en) * | 2016-12-12 | 2017-03-15 | 西南石油大学 | A kind of mould for preparing artificial side's rock core and the preparation method of square rock core |
| CN106501054B (en) * | 2016-12-12 | 2023-08-11 | 西南石油大学 | Mould for preparing artificial square rock core and preparation method of square rock core |
| CN110194929A (en) * | 2019-02-20 | 2019-09-03 | 李康鹏 | A kind of preparation method of heat-resisting heat radiating type powdery paints |
| CN109913088A (en) * | 2019-02-23 | 2019-06-21 | 廊坊艾格玛新立材料科技有限公司 | The compound high heat-dissipation powder paint of acrylic acid sial and its preparation process |
| CN113549361A (en) * | 2021-06-25 | 2021-10-26 | 江苏兰陵高分子材料有限公司 | High-molecular composite coating material with high reflectivity to sunlight |
| CN114106668A (en) * | 2021-10-25 | 2022-03-01 | 安徽华辉塑业科技股份有限公司 | Novel nanoscale powder coating for airplanes |
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