CN103254695A - Powder coating with high density polyethylene as main ingredient and preparation method thereof - Google Patents

Powder coating with high density polyethylene as main ingredient and preparation method thereof Download PDF

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Publication number
CN103254695A
CN103254695A CN2013101199747A CN201310119974A CN103254695A CN 103254695 A CN103254695 A CN 103254695A CN 2013101199747 A CN2013101199747 A CN 2013101199747A CN 201310119974 A CN201310119974 A CN 201310119974A CN 103254695 A CN103254695 A CN 103254695A
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powder
density polyethylene
high density
stone flour
powder coating
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CN2013101199747A
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CN103254695B (en
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刘庆芳
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Dongguan Yong Glaze Coating Co Ltd
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Individual
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Abstract

The invention discloses a powder coating with high density polyethylene as a main ingredient and a preparation method thereof. The powder coating comprises the following raw materials by weight part: 48-55 of high density polyethylene, 27-33 of polybenzimidazole, 18-22 of quartz sand, 25-30 of montmorillonite powder, 4.5-5.5 of activated carbon powder, 2.0-3.0 of cobaltic oxide, 5.0-7.0 of hydrotalcite powder, 6.0-8.0 of a dispersing agent NNO and 5.0-6.5 of a film-forming agent. In the invention, high density polyethylene is adopted as the main raw material, and the hydrotalcite powder and the film forming agent are added so as to enhance the mixing performance among each raw material and improve the surface leveling of the powder coating simultaneously. With high gloss retention, the powder coating has improved decorative performance. And the prepared product has a high qualified rate.

Description

A kind of is the powder coating and preparation method thereof of major ingredient with the high density polyethylene(HDPE)
Technical field
The present invention relates to powder coating, being specifically related to a kind of is the powder coating and preparation method thereof of major ingredient with the high density polyethylene(HDPE).
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 instrument, traffic facilities, aluminium section bar, 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
The object of the present invention is to provide a kind of is the powder coating and preparation method thereof of major ingredient with the high density polyethylene(HDPE).
The present invention adopts following technical scheme to achieve these goals:
Be the powder coating of major ingredient with the high density polyethylene(HDPE), the weight part of its constitutive material is: high density polyethylene(HDPE) 48-55, polybenzimidazole 27-33, quartz sand 18-22, montmorillonite powder 25-30, activity charcoal powder 4.5-5.5, cobalt sesquioxide 2.0-3.0, neatly stone flour 5.0-7.0, dispersing agent NNO 6.0-8.0 and membrane-forming agent 5.0-6.5.
Be the powder coating of major ingredient with the high density polyethylene(HDPE), the weight part of its constitutive material is: high density polyethylene(HDPE) 49, polybenzimidazole 28, quartz sand 19, montmorillonite powder 26, activity charcoal powder 5.0, cobalt sesquioxide 2.5, neatly stone flour 6.0, dispersing agent NNO 7.0 and membrane-forming agent 5.8.
Be the preparation method of the powder coating of major ingredient with the high density polyethylene(HDPE), may further comprise the steps:
(1) carbon coats the neatly stone flour:
A: the neatly stone flour is crushed to the 120-130 order, and the weight part by constitutive material joins in the deionized water then, and neatly stone flour and deionized water weight ratio are 1:2.3-2.8, evenly mixes;
B: add the glucose that accounts for hydrotalcite opaque amount 10-15% in the gained mixed solution, stir, evenly mix, and then add the molybdenum carbide that accounts for glucose quality 1.0-1.6%, mixing stirs; Mist projection granulating obtains the neatly stone flour powder that organic carbon coats, and spray-dired inlet temperature 190-220 ℃, temperature out 66-78 ℃;
C: gained neatly stone flour powder is packed in the crucible, vacuumizes, and feeds inert atmosphere, keeps being heated to 270-330 ℃ of sintering 3.0-3.5h under the inert atmosphere conditions, and cooling obtains carbon and coats the neatly stone flour then;
(2) preparation of membrane-forming agent:
A: at first 9-11 part chloroprene rubber CR322,1.5-3.0 part dimethylbenzene, 2.0-3.0 part ethylene glycol diglycidylether, 8-12 part E-12 Resins, epoxy are mixed in the adding reactor, reaction is 2-3 hour under 90-110 ℃ of temperature;
B: in the reactor of step (1), add 15-17 part MALEIC ANHYDRIDE, 1.8-2.5 part 2,6 ditertbutylparacresols, 0.6-1.2 part vinyltrimethoxy silane, 1.0-1.8 part linking agent TAIC, mix, reaction is 3-5 hour under 75-95 ℃ of temperature condition, namely;
(3) take by weighing each raw material beyond dewater talcum powder and the membrane-forming agent by the weight part of constitutive material, then and step (1) and (2) raw material after handling prepare burden and put into the mixing machine mixing, the compound that mixes is put into twin screw extruder extrudes; After the sheet material cooling after extruding, put into crusher for crushing, grind to form 220-280 purpose powder, the packing warehouse-in, the powder curing condition is: solidification value 180-200 ℃, be incubated 20-30 minute.
Advantage of the present invention:
It is main raw material that the present invention has adopted high density polyethylene(HDPE), has added neatly stone flour and membrane-forming agent, strengthens the Combination between each raw material, improved the surperficial levelling of powder coating simultaneously, have high gloss retention, improved the ornamental of powder coating, the product qualified rate height for preparing.
Embodiment
Embodiment 1: be the powder coating of major ingredient with the high density polyethylene(HDPE), the weight part of its constitutive material (kg) is: high density polyethylene(HDPE) 49, polybenzimidazole 28, quartz sand 19, montmorillonite powder 26, activity charcoal powder 5.0, cobalt sesquioxide 2.5, neatly stone flour 6.0, dispersing agent NNO 7.0 and membrane-forming agent 5.8.
Be the preparation method of the powder coating of major ingredient with the high density polyethylene(HDPE), may further comprise the steps:
(1) carbon coats the neatly stone flour:
A: the neatly stone flour is crushed to the 120-130 order, and the weight part by constitutive material joins in the deionized water then, and neatly stone flour and deionized water weight ratio are 1:2.5, evenly mixes;
B: add the glucose that accounts for hydrotalcite opaque amount 12% in the gained mixed solution, stir, evenly mix, and then add the molybdenum carbide that accounts for glucose quality 1.3%, mixing stirs; Mist projection granulating obtains the neatly stone flour powder that organic carbon coats, 200 ℃ of spray-dired inlet temperatures, 75 ℃ of temperature outs;
C: gained neatly stone flour powder is packed in the crucible, vacuumizes, and feeds inert atmosphere, keeps being heated to 300 ℃ of sintering 3.3h under the inert atmosphere conditions, and cooling obtains carbon and coats the neatly stone flour then;
(2) preparation of membrane-forming agent:
A: at first 10 parts of chloroprene rubber CR322,2.3 parts of dimethylbenzene, 2.5 parts of ethylene glycol diglycidylethers, 10 parts of E-12 Resins, epoxy are mixed and add in the reactor, reaction is 2.5 hours under 100 ℃ of temperature;
B: add 16 parts of MALEIC ANHYDRIDE, 2.2 part of 2,6 ditertbutylparacresol, 0.9 part of vinyltrimethoxy silane, 1.4 parts of linking agent TAIC in the reactor of step (1), mix, reaction is 4 hours under 85 ℃ of temperature condition, namely;
(3) take by weighing each raw material beyond dewater talcum powder and the membrane-forming agent by the weight part of constitutive material, then and step (1) and (2) raw material after handling prepare burden and put into the mixing machine mixing, the compound that mixes is put into twin screw extruder extrudes; After the sheet material cooling after extruding, put into crusher for crushing, grind to form 250 purpose powder, the packing warehouse-in, the powder curing condition is: 190 ℃ of solidification values are incubated 25 minutes.
Adopt the electrostatic spraying constructional method to act on the steel tube surface of spray treatment this powder coating, abundant curing through 210 ℃, naturally cool to room temperature, after placing 24h, measure coating performance, its coating shock strength 〉=102cm, salt-fog resistant time 〉=2890h, artificial accelerated aging time 〉=3050h, resistance toheat 〉=575, exposure to weather(ing) 16 months is non-foaming, non-corrosive, do not ftracture, do not peel off.

Claims (3)

1. one kind is the powder coating of major ingredient with the high density polyethylene(HDPE), it is characterized in that the weight part of its constitutive material is: high density polyethylene(HDPE) 48-55, polybenzimidazole 27-33, quartz sand 18-22, montmorillonite powder 25-30, activity charcoal powder 4.5-5.5, cobalt sesquioxide 2.0-3.0, neatly stone flour 5.0-7.0, dispersing agent NNO 6.0-8.0 and membrane-forming agent 5.0-6.5.
2. according to claim 1 is the powder coating of major ingredient with the high density polyethylene(HDPE), it is characterized in that the weight part of its constitutive material is: high density polyethylene(HDPE) 49, polybenzimidazole 28, quartz sand 19, montmorillonite powder 26, activity charcoal powder 5.0, cobalt sesquioxide 2.5, neatly stone flour 6.0, dispersing agent NNO 7.0 and membrane-forming agent 5.8.
One kind as claimed in claim 1 be the preparation method of the powder coating of major ingredient with the high density polyethylene(HDPE), it is characterized in that may further comprise the steps:
(1) carbon coats the neatly stone flour:
A: the neatly stone flour is crushed to the 120-130 order, and the weight part by constitutive material joins in the deionized water then, and neatly stone flour and deionized water weight ratio are 1:2.3-2.8, evenly mixes;
B: add the glucose that accounts for hydrotalcite opaque amount 10-15% in the gained mixed solution, stir, evenly mix, and then add the molybdenum carbide that accounts for glucose quality 1.0-1.6%, mixing stirs; Mist projection granulating obtains the neatly stone flour powder that organic carbon coats, and spray-dired inlet temperature 190-220 ℃, temperature out 66-78 ℃;
C: gained neatly stone flour powder is packed in the crucible, vacuumizes, and feeds inert atmosphere, keeps being heated to 270-330 ℃ of sintering 3.0-3.5h under the inert atmosphere conditions, and cooling obtains carbon and coats the neatly stone flour then;
(2) preparation of membrane-forming agent:
A: at first 9-11 part chloroprene rubber CR322,1.5-3.0 part dimethylbenzene, 2.0-3.0 part ethylene glycol diglycidylether, 8-12 part E-12 Resins, epoxy are mixed in the adding reactor, reaction is 2-3 hour under 90-110 ℃ of temperature;
B: in the reactor of step (1), add 15-17 part MALEIC ANHYDRIDE, 1.8-2.5 part 2,6 ditertbutylparacresols, 0.6-1.2 part vinyltrimethoxy silane, 1.0-1.8 part linking agent TAIC, mix, reaction is 3-5 hour under 75-95 ℃ of temperature condition, namely;
(3) weight part by constitutive material takes by weighing dewater talcum powder and membrane-forming agent each raw material in addition, then and step (1) and (2) raw material after handling prepare burden and put into the mixing machine mixing, the compound that mixes is put into twin screw extruder to be extruded, after the sheet material cooling after extruding, put into crusher for crushing, grind to form 220-280 purpose powder, the packing warehouse-in, the powder curing condition is: solidification value 180-200 ℃, be incubated 20-30 minute.
CN201310119974.7A 2013-04-09 2013-04-09 A kind of take high density polyethylene(HDPE) as powder coating of major ingredient and preparation method thereof Expired - Fee Related CN103254695B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103483931A (en) * 2013-09-03 2014-01-01 蚌埠市鸿安精密机械有限公司 Powder paint
CN103773127A (en) * 2014-01-15 2014-05-07 芜湖市宝艺游乐科技设备有限公司 Lusterless radiating coating
CN103773126A (en) * 2014-01-15 2014-05-07 芜湖市宝艺游乐科技设备有限公司 Radiating paint with good peeling resistance
CN103937336A (en) * 2014-03-25 2014-07-23 安徽柏拉图涂层织物有限公司 High levelling property paint
CN106477977A (en) * 2016-10-10 2017-03-08 杭州金庭悦环保科技有限公司 A kind of radiation shielding coating with formaldehyde reduced for a long time effect and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007298A (en) * 1974-04-26 1977-02-08 United States Pipe And Foundry Company Polyethylene coating for ferrous metals
CN1082574A (en) * 1992-08-07 1994-02-23 中国兵器工业第五三研究所 Modified poly propylene powdered coating and preparation method
CN101240134A (en) * 2008-03-06 2008-08-13 大庆石油管理局 Epoxy modifying polyethylene bi-component powdery paints
CN102676018A (en) * 2011-03-08 2012-09-19 中国石油化工股份有限公司 Composition for preparing monolayer antiseptic polyethylene powder coating and method for preparing composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007298A (en) * 1974-04-26 1977-02-08 United States Pipe And Foundry Company Polyethylene coating for ferrous metals
CN1082574A (en) * 1992-08-07 1994-02-23 中国兵器工业第五三研究所 Modified poly propylene powdered coating and preparation method
CN101240134A (en) * 2008-03-06 2008-08-13 大庆石油管理局 Epoxy modifying polyethylene bi-component powdery paints
CN102676018A (en) * 2011-03-08 2012-09-19 中国石油化工股份有限公司 Composition for preparing monolayer antiseptic polyethylene powder coating and method for preparing composition

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103483931A (en) * 2013-09-03 2014-01-01 蚌埠市鸿安精密机械有限公司 Powder paint
CN103483931B (en) * 2013-09-03 2016-05-25 蚌埠市鸿安精密机械有限公司 A kind of powdery paints
CN103773127A (en) * 2014-01-15 2014-05-07 芜湖市宝艺游乐科技设备有限公司 Lusterless radiating coating
CN103773126A (en) * 2014-01-15 2014-05-07 芜湖市宝艺游乐科技设备有限公司 Radiating paint with good peeling resistance
CN103937336A (en) * 2014-03-25 2014-07-23 安徽柏拉图涂层织物有限公司 High levelling property paint
CN106477977A (en) * 2016-10-10 2017-03-08 杭州金庭悦环保科技有限公司 A kind of radiation shielding coating with formaldehyde reduced for a long time effect and preparation method thereof

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Inventor after: Qin Feng

Inventor before: Liu Qingfang

TR01 Transfer of patent right

Effective date of registration: 20170703

Address after: Huang Town in Guangdong province Dongguan City Tianxin village 523000

Patentee after: Dongguan Yong glaze coating Co., Ltd.

Address before: Fan Yang Zhen 241200 Anhui city of Wuhu province Fanchang County Yingchun Road, Xiyuan area 17

Patentee before: Liu Qingfang

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151223

Termination date: 20200409