CN103045044B - Powder coating of a kind of energy-conserving and environment-protective and preparation method thereof - Google Patents

Powder coating of a kind of energy-conserving and environment-protective and preparation method thereof Download PDF

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CN103045044B
CN103045044B CN201210534534.3A CN201210534534A CN103045044B CN 103045044 B CN103045044 B CN 103045044B CN 201210534534 A CN201210534534 A CN 201210534534A CN 103045044 B CN103045044 B CN 103045044B
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resin
powder coating
powder
conserving
protective
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CN103045044A (en
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王新志
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CHUZHOU HONGYUAN SPRAYING Co Ltd
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CHUZHOU HONGYUAN SPRAYING Co Ltd
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Abstract

The invention discloses powder coating of a kind of energy-conserving and environment-protective and preparation method thereof, its constitutive material is: modified epoxy, high-density polyethylene resin, organosilicon flow agent, film-forming resin, polydimethylsiloxane, aliphatic amide, zinc powder, methacrylic resin, Nano titanium dioxide, 4,4 ˊ-diamino diphenyl sulfone, Resorcinol, two ten four carbon alcohols ester and clorafins; Powder coating of the present invention is environmental type coating, nontoxic, high temperature resistant, and not containing solvent, VOC free discharges, and the surperficial levelling property of powder coating of the present invention is strong, has high gloss retention, improves the ornamental of powder coating; The product qualified rate prepared is high, can realize industrialized production.

Description

Powder coating of a kind of energy-conserving and environment-protective and preparation method thereof
Technical field
The present invention relates to art of powder coatings, particularly relate to powder coating of a kind of energy-conserving and environment-protective 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 the industry such as household electrical appliance, instrument, traffic facilities, aluminium section bar, various vehicle and haberdashery and hardware, powder coating can to metal carrying for excellent corrosionproof protection and decorate properties, but because the antifouling property of the existing coating for above-mentioned field is undesirable, coating often adheres to all kinds of dust, dirt or even greasy dirt; Anti-stick subsides ability is also undesirable, and the coating that existing powder coating is formed is exposed to the sun out of doors for a long time, easily occur the phenomenons such as foaming, cracking, stripping under the effect of natural conditions such as to 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 overcomes the deficiencies in the prior art, provides powder coating of a kind of energy-conserving and environment-protective and preparation method thereof.
The present invention adopts following technical scheme to achieve these goals:
The powder coating of energy-conserving and environment-protective, the weight part of its constitutive material is: modified epoxy 65-70, high-density polyethylene resin 22-25, organosilicon flow agent 1.2-1.5, film-forming resin 1-2, polydimethylsiloxane 0.7-0.9, aliphatic amide 0.3-0.5, zinc powder 1.3-1.5, methacrylic resin 0.9-1.1, Nano titanium dioxide 19-21,4,4'-diamino diphenyl sulfone 6-8, Resorcinol 0.4-0.7, two ten four carbon alcohols ester 0.2-0.4 and clorafin 0.45-0.55.
The powder coating of energy-conserving and environment-protective, the weight part of its constitutive material is: modified epoxy 68, high-density polyethylene resin 24, organosilicon flow agent 1.4, film-forming resin 1.5, polydimethylsiloxane 0.8, aliphatic amide 0.4, zinc powder 1.4, methacrylic resin 1, Nano titanium dioxide 20,4,4'-diamino diphenyl sulfone 7, Resorcinol 0.55, two ten four carbon alcohols esters 0.3 and clorafin 0.5.
The preparation method of the powder coating of energy-conserving and environment-protective, comprises the following steps:
(1) preparation of film-forming resin: by compositing formula urea 3-5, polyethylene wax 5-7, polyethylene terephthalate 3-5, polyoxyethylene glycol 4-6, zinc powder 0.2-0.3, glycerine 0.3-0.5, octyl epoxy stearate 3-5, vinylbenzene 2-3, polyethylene terephthalate 0.2-0.3 and rosin 0.3-0.5; Production method is as follows:
A: polyethylene wax, polyethylene terephthalate, polyoxyethylene glycol, glycerine, octyl epoxy stearate, vinylbenzene are added stainless steel cauldron, is warming up to 110 ± 5 DEG C, starts stirring and adds urea, polyethylene terephthalate, rosin, zinc powder;
B: then with 50-60 DEG C/h of ramp to 180-195 DEG C; React and within 1-2 hour, stop heating obtaining;
(2) take each raw material by the weight part of constitutive material, then prepare burden and put into mixing machine mixing, the compound mixed is put into twin screw extruder and extrudes, district's temperature of forcing machine controls: 90 ± 5 DEG C; Two district's temperature control: 92 ± 5 DEG C; After sheet material cooling after extruding, put into crusher for crushing, grind to form 180-220 object powder, packaging warehouse-in, powder curing condition is: solidification value 180-198 DEG C, insulation 10-20 minute.
The preparation method of described modified epoxy is as follows:
Formula: E-44 epoxy resin 60-70, SG-2 type polyvinyl chloride 10-12, butanone 20-25, ferrocene 1-2, polyisobutene 6-8, tung oil acid anhydride 5-8, benzyl triethyl ammonium bromide 2-3, aluminium hydroxide 3-5, rosin 10-12, urea 8-10, zinc oxide 5-8,2.4.6-tri-(dimethylamino methyl) phenol 10-12, dichlorobenzoperoxide 0.2-0.4, hexanodioic acid propanediol polyester 0.2-0.4, vinyltriethoxysilane 1-2, oxidation inhibitor DSTP1-2;
Preparation method is as follows:
(1), E-44 epoxy resin, SG-2 type polyvinyl chloride are heated to 110-120 DEG C of fusing; 600-800 rev/min of stirring;
(2), add ferrocene, aluminium hydroxide, tung oil acid anhydride, be warming up to 150-160 DEG C, 400-600 rev/min of high-speed stirring stirs, reaction 1-2 hour,
(3), add other material, be warming up to 180-200 DEG C, 800-1000 rev/min of high-speed stirring, insulation reaction 1-2 hour, filter discharging; Dry, slough organic solvent butanone, obtain modified epoxy.
Advantage of the present invention:
Powder coating of the present invention is environmental type coating, nontoxic, high temperature resistant, and not containing solvent, VOC free discharges, and the surperficial levelling property of powder coating of the present invention is strong, has high gloss retention, improves the ornamental of powder coating; The product qualified rate prepared is high, can realize industrialized production.
Embodiment
Embodiment 1: the powder coating of energy-conserving and environment-protective, the weight part (kg) of its constitutive material is: modified epoxy 68, high-density polyethylene resin 24, organosilicon flow agent 1.4, film-forming resin 1.5, polydimethylsiloxane 0.8, aliphatic amide 0.4, zinc powder 1.4, methacrylic resin 1, Nano titanium dioxide 20,4,4'-diamino diphenyl sulfone 7, Resorcinol 0.55, two ten four carbon alcohols esters 0.3 and clorafin 0.5.
The preparation method of the powder coating of energy-conserving and environment-protective, comprises the following steps:
(1) preparation of film-forming resin: by compositing formula (kg) urea 4, polyethylene wax 6, polyethylene terephthalate 4, polyoxyethylene glycol 5, zinc powder 0.25, glycerine 0.4, octyl epoxy stearate 4, vinylbenzene 2.5, polyethylene terephthalate 0.25 and rosin 0.4; Production method is as follows:
A: polyethylene wax, polyethylene terephthalate, polyoxyethylene glycol, glycerine, octyl epoxy stearate, vinylbenzene are added stainless steel cauldron, is warming up to 110 ± 5 DEG C, starts stirring and adds urea, polyethylene terephthalate, rosin, zinc powder;
B: then with 50-60 DEG C/h of ramp to 180-195 DEG C; React and within 1-2 hour, stop heating obtaining;
(2) take each raw material by the weight part of constitutive material, then prepare burden and put into mixing machine mixing, the compound mixed is put into twin screw extruder and extrudes, district's temperature of forcing machine controls: 90 ± 5 DEG C; Two district's temperature control: 92 ± 5 DEG C; After sheet material cooling after extruding, put into crusher for crushing, grind to form 200 object powder, packaging warehouse-in, powder curing condition is: solidification value 190 DEG C, is incubated 15 minutes.
The preparation method of described modified epoxy is as follows:
Formula (kg): E-44 epoxy resin 65, SG-2 type polyvinyl chloride 11, butanone 22, ferrocene 1.5, polyisobutene 7, tung oil acid anhydride 6, benzyl triethyl ammonium bromide 2.5, aluminium hydroxide 4, rosin 11, urea 9, zinc oxide 7,2.4.6-tri-(dimethylamino methyl) phenol 11, dichlorobenzoperoxide 0.3, hexanodioic acid propanediol polyester 0.3, vinyltriethoxysilane 1.5, oxidation inhibitor DSTP1.5;
Preparation method is as follows:
(1), E-44 epoxy resin, SG-2 type polyvinyl chloride are heated to 115 DEG C of fusings; 700 revs/min of stirrings;
(2), add ferrocene, aluminium hydroxide, tung oil acid anhydride, be warming up to 155 DEG C, 500 revs/min of high-speed stirring stir, reaction 1-2 hour,
(3), add other material, be warming up to 190 DEG C, 900 revs/min of high-speed stirring, insulation reaction 1-2 hour, filter discharging; Dry, slough organic solvent butanone, obtain modified epoxy.
Electrostatic spraying constructional method is adopted to act on the refrigerator of spray treatment this powder coating, through the abundant solidification of 180 DEG C, naturally cool to room temperature, after placing 24h, measure coating performance, its coating shock strength >=90cm, salt-fog resistant time >=2950h, artificial accelerated aging time >=3050h, resistance toheat >=570, exposure to weather(ing) 17 months is non-foaming, non-corrosive, do not ftracture, do not peel off, to rate of decomposition >=98.8% of greasy dirt.

Claims (2)

1. the powder coating of energy-conserving and environment-protective, it is characterized in that the weight part of its constitutive material is: modified epoxy 65-70, high-density polyethylene resin 22-25, organosilicon flow agent 1.2-1.5, film-forming resin 1-2, polydimethylsiloxane 0.7-0.9, aliphatic amide 0.3-0.5, zinc powder 1.3-1.5, methacrylic resin 0.9-1.1, Nano titanium dioxide 19-21,4,4'-diamino diphenyl sulfone 6-8, Resorcinol 0.4-0.7, two ten four carbon alcohols ester 0.2-0.4 and clorafin 0.45-0.55;
The preparation method of the powder coating of described energy-conserving and environment-protective, comprises the following steps:
(1) preparation of film-forming resin: by compositing formula urea 3-5, polyethylene wax 5-7, polyethylene terephthalate 3-5, polyoxyethylene glycol 4-6, zinc powder 0.2-0.3, glycerine 0.3-0.5, octyl epoxy stearate 3-5, vinylbenzene 2-3, polyethylene terephthalate 0.2-0.3 and rosin 0.3-0.5; Production method is as follows: a: polyethylene wax, polyethylene terephthalate, polyoxyethylene glycol, glycerine, octyl epoxy stearate, vinylbenzene are added stainless steel cauldron, be warming up to 110 ± 5 DEG C, start stirring and add urea, polyethylene terephthalate, rosin, zinc powder; B: then with 50-60 DEG C/h of ramp to 180-195 DEG C; React and within 1-2 hour, stop heating obtaining;
(2) take each raw material by the weight part of constitutive material, then prepare burden and put into mixing machine mixing, the compound mixed is put into twin screw extruder and extrudes, district's temperature of forcing machine controls: 90 ± 5 DEG C; Two district's temperature control: 92 ± 5 DEG C; After sheet material cooling after extruding, put into crusher for crushing, grind to form 180-220 object powder, packaging warehouse-in, powder curing condition is: solidification value 180-198 DEG C, insulation 10-20 minute;
The preparation method of described modified epoxy is as follows: formula: E-44 epoxy resin 60-70, SG-2 type polyvinyl chloride 10-12, butanone 20-25, ferrocene 1-2, polyisobutene 6-8, tung oil acid anhydride 5-8, benzyl triethyl ammonium bromide 2-3, aluminium hydroxide 3-5, rosin 10-12, urea 8-10, zinc oxide 5-8,2,4,6-tri-(dimethylamino methyl) phenol 10-12, dichlorobenzoperoxide 0.2-0.4, hexanodioic acid propanediol polyester 0.2-0.4, vinyltriethoxysilane 1-2, oxidation inhibitor DSTP1-2;
Preparation method is as follows:
(1), E-44 epoxy resin, SG-2 type polyvinyl chloride are heated to 110-120 DEG C of fusing; 600-800 rev/min of stirring;
(2), add ferrocene, aluminium hydroxide, tung oil acid anhydride, be warming up to 150-160 DEG C, 400-600 rev/min of high-speed stirring, reaction 1-2 hour, (3), add other material, are warming up to 180-200 DEG C, 800-1000 rev/min of high-speed stirring, insulation reaction 1-2 hour, filters discharging; Dry, slough organic solvent butanone, obtain modified epoxy.
2. the powder coating of energy-conserving and environment-protective according to claim 1, it is characterized in that the weight part of its constitutive material is: modified epoxy 68, high-density polyethylene resin 24, organosilicon flow agent 1.4, film-forming resin 1.5, polydimethylsiloxane 0.8, aliphatic amide 0.4, zinc powder 1.4, methacrylic resin 1, Nano titanium dioxide 20,4,4'-diamino diphenyl sulfone 7, Resorcinol 0.55, two ten four carbon alcohols esters 0.3 and clorafin 0.5.
CN201210534534.3A 2012-12-12 2012-12-12 Powder coating of a kind of energy-conserving and environment-protective and preparation method thereof Active CN103045044B (en)

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CN103289482B (en) * 2013-04-23 2016-05-11 安徽圣德建材科技有限公司 A kind of polyethylene powder coating and preparation method thereof
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CN103289540A (en) * 2013-05-27 2013-09-11 河南新飞制冷器具有限公司 Plastic powder releasing negative ions and manufacturing method thereof
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CN103497620B (en) * 2013-09-24 2016-04-27 安徽锐视光电技术有限公司 A kind of anti-corrosion epoxy powder 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
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CN105778675A (en) * 2016-03-24 2016-07-20 安徽圣德建材科技有限公司 Environment-friendly and rust-proof powder coating with high strength and high adhesion,
CN105968971A (en) * 2016-05-26 2016-09-28 合肥市田源精铸有限公司 Salt-spray-resistant metal rust preventing wax
CN106009521A (en) * 2016-06-29 2016-10-12 潘宇 Production method of rosin modified epoxy resin
CN107556829A (en) * 2016-07-01 2018-01-09 夏杰 A kind of fire-fighting powdery paints
CN109266171A (en) * 2018-09-10 2019-01-25 江苏叙然信息科技有限公司 A kind of corrosion-resistant cleaning shaft and coating process

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