CN103013279B - A kind of powdery paints that contains modification trees ashes and preparation method thereof - Google Patents
A kind of powdery paints that contains modification trees ashes and preparation method thereof Download PDFInfo
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- CN103013279B CN103013279B CN201210534359.8A CN201210534359A CN103013279B CN 103013279 B CN103013279 B CN 103013279B CN 201210534359 A CN201210534359 A CN 201210534359A CN 103013279 B CN103013279 B CN 103013279B
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Abstract
The invention discloses a kind of powdery paints that contains modification trees ashes and preparation method thereof, its constitutive material is: modified epoxy, ldpe resin, phenolic resins, modification trees ashes, organosilicon levelling agent, film-forming resin, dimethyl silicone polymer, fatty amine, silver powder, acrylic resin, calcium carbonate superfine powder, hexa, catechol and dimethicone; Powdery paints of the present invention is environmental type coating, nontoxic, high temperature resistant, not containing solvent, VOC free? discharge, and in the present invention, added modification trees ashes, strengthen the compatibility of modified epoxy, ldpe resin and phenolic resins, the surperficial levelling that has improved powdery paints, has high gloss retention, has improved the ornamental of powdery paints; The product qualified rate preparing is high, can realize industrialized production.
Description
Technical field
The present invention relates to art of powder coatings, relate in particular to a kind of powdery paints that contains modification trees ashes 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 and meter, means of transportation, aluminium section bar, various vehicle and haberdashery and hardware, powder coating can be to metal carrying for good anti-corrosion protection and decorate properties, but because the antifouling property of the existing coating for above-mentioned field is undesirable, in coating, often adhere to all kinds of dusts, dirt or even greasy dirt; Anti-stick subsides ability is also undesirable, and the coating that forms of the existing powdery paints phenomenon such as be prone to foaming, ftracture, peel off of being exposed to the sun for a long time out of doors, drenching with rain etc. under effect of natural conditions, and therefore, the mechanical performance 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 powdery paints that contains modification trees ashes and preparation method thereof is provided.
The present invention adopts following technical scheme to achieve these goals:
The powdery paints that contains modification trees ashes, the weight portion of its constitutive material is: modified epoxy 43-48, ldpe resin 6-8, phenolic resins 2-4, modification trees ashes 1.2-1.8, organosilicon levelling agent 0.7-0.9, film-forming resin 1-2, dimethyl silicone polymer 0.7-1.5, fatty amine 0.9-1.5, silver powder 0.4-0.8, acrylic resin 0.9-1.3, calcium carbonate superfine powder 19-21, hexa 5-6, catechol 0.1-0.3 and dimethicone 0.5-0.7.
The powdery paints that contains modification trees ashes, the weight portion of its constitutive material is: modified epoxy 45, ldpe resin 7, phenolic resins 3, modification trees ashes 1.5, organosilicon levelling agent 0.8, film-forming resin 1.5, dimethyl silicone polymer 1.2, fatty amine 1.2, silver powder 0.6, acrylic resin 1.1, calcium carbonate superfine powder 20, hexa 5.5, catechol 0.2 and dimethicone 0.6.
The preparation method of the powdery paints that contains modification trees ashes, comprises the following steps:
(1) preparation of film-forming resin: press compositing formula urea 3-5, Tissuemat E 5-7, polyethylene terephthalate 3-5, polyethylene glycol 4-6, zinc powder 0.2-0.3, glycerine 0.3-0.5, octyl epoxy stearate 3-5, styrene 2-3, polyethylene terephthalate 0.2-0.3 and rosin 0.3-0.5; Method for making is as follows:
A: Tissuemat E, polyethylene terephthalate, polyethylene glycol, glycerine, octyl epoxy stearate, styrene are added to stainless steel cauldron, be warming up to 110 ± 5 DEG C, start stirring and add urea, polyethylene terephthalate, rosin, zinc powder;
B: be then warmed up to 180-195 DEG C with 50-60 DEG C/h of speed; React within 1-2 hour, to stop heating and obtain;
(2) take each raw material by the weight portion of constitutive material, then prepare burden and put into mixer and mix, the compound mixing is put into double screw extruder and extrude, extruder Yi district temperature is controlled at: 98 ± 5 DEG C; Two district's temperature are controlled at: 102 ± 5 DEG C; After sheet material after extruding is cooling, puts into crusher for crushing, grind to form 200-250 object powder, packaging warehouse-in, powder curing condition is: solidification temperature 180-198 DEG C, insulation 10-20 minute.
The preparation method of described modification trees ashes is:
(1) trees ashes are soaked after 2-3 hour with the sodium hydroxide solution of 10-15%;
(2) soak 2-3 hour with 10-15% hydrochloric acid solution;
(3) washing repeatedly by deionized water, is neutral to trees ashes, dries;
(4) be ground to 0.8-1.2 μ m powder, obtain modification trees ashes.
The preparation method of described modified epoxy is as follows:
Formula: E-55 epoxy resin 60-70, SG-2 type polyvinyl chloride 10-12, dimethylbenzene 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, decanedioic acid propanediol polyester 0.2-0.4, chlorinated paraffin wax 0.2-0.4, aminopropyl triethoxysilane 1-2, anti-oxidant DLTP 1-2;
Preparation method is as follows:
(1), E-55 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 stirred stirs, reaction 1-2 hour,
(3), add other material, be warming up to 180-200 DEG C, 800-1000 rev/min of high-speed stirred, insulation reaction 1-2 hour, filter discharging; Be dried, slough organic solvent dimethylbenzene, obtain modified epoxy.
Advantage of the present invention:
Powdery paints of the present invention is environmental type coating, nontoxic, high temperature resistant, not containing solvent, VOC free discharge, and in the present invention, added modification trees ashes, strengthen the compatibility of modified epoxy, ldpe resin and phenolic resins, the surperficial levelling that has improved powdery paints, has high gloss retention, has improved the ornamental of powdery paints; The product qualified rate preparing is high, can realize industrialized production.
Detailed description of the invention
Embodiment 1: the powdery paints that contains modification trees ashes, the weight portion (kg) of its constitutive material is: modified epoxy 45, ldpe resin 7, phenolic resins 3, modification trees ashes 1.5, organosilicon levelling agent 0.8, film-forming resin 1.5, dimethyl silicone polymer 1.2, fatty amine 1.2, silver powder 0.6, acrylic resin 1.1, calcium carbonate superfine powder 20, hexa 5.5, catechol 0.2 and dimethicone 0.6.
The preparation method of the powdery paints that contains modification trees ashes, comprises the following steps:
(1) preparation of film-forming resin: press compositing formula (kg) urea 4, Tissuemat E 6, polyethylene terephthalate 4, polyethylene glycol 5, zinc powder 0.25, glycerine 0.4, octyl epoxy stearate 4, styrene 2.5, polyethylene terephthalate 0.25 and rosin 0.4; Method for making is as follows:
A: Tissuemat E, polyethylene terephthalate, polyethylene glycol, glycerine, octyl epoxy stearate, styrene are added to stainless steel cauldron, be warming up to 110 ± 5 DEG C, start stirring and add urea, polyethylene terephthalate, rosin, zinc powder;
B: be then warmed up to 180-195 DEG C with 50-60 DEG C/h of speed; React within 1-2 hour, to stop heating and obtain;
(2) take each raw material by the weight portion of constitutive material, then prepare burden and put into mixer and mix, the compound mixing is put into double screw extruder and extrude, extruder Yi district temperature is controlled at: 98 ± 5 DEG C; Two district's temperature are controlled at: 102 ± 5 DEG C; After sheet material after extruding is cooling, puts into crusher for crushing, grind to form 220 object powder, packaging warehouse-in, powder curing condition is: 185 DEG C of solidification temperatures, are incubated 15 minutes.
The preparation method of described modification trees ashes is:
(1) trees ashes are soaked after 2-3 hour with 15% sodium hydroxide solution;
(2) soak 2-3 hour with 15% hydrochloric acid solution;
(3) washing repeatedly by deionized water, is neutral to trees ashes, dries;
(4) be ground to 0.8-1.2 μ m powder, obtain modification trees ashes.
The preparation method of described modified epoxy is as follows:
Formula (kg): E-55 epoxy resin 65, SG-2 type polyvinyl chloride 11, dimethylbenzene 22, ferrocene 1.5, polyisobutene 7, tung oil acid anhydride 7, benzyl triethyl ammonium bromide 2.5, aluminium hydroxide 4, rosin 11, urea 9, zinc oxide 6,2.4.6-tri-(dimethylamino methyl) phenol 11, decanedioic acid propanediol polyester 0.3, chlorinated paraffin wax 0.3, aminopropyl triethoxysilane 1.5, anti-oxidant DLTP 1.5;
Preparation method is as follows:
(1), E-55 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 stirred stir, reaction 1-2 hour,
(3), add other material, be warming up to 190 DEG C, 900 revs/min of high-speed stirred, insulation reaction 1-2 hour, filter discharging; Be dried, slough organic solvent dimethylbenzene, obtain modified epoxy.
Adopt electrostatic spraying construction method to act on the refrigerator surface of spray treatment this powdery paints, through 190 DEG C fully solidify, naturally cool to room temperature, place after 24h, measure coating performance, its coating impact strength >=93cm, salt-fog resistant time >=2980h, artificial accelerated aging time >=3080h, heat resistance >=560, exposure to weather(ing) 15 months is non-foaming, non-corrosive, do not ftracture, do not peel off, to resolution ratio >=97.5% of greasy dirt.
Claims (2)
1. contain a powdery paints for modification trees ashes, it is characterized in that the weight portion of its constitutive material is: modified epoxy 43-48, ldpe resin 6-8, phenolic resins 2-4, modification trees ashes 1.2-1.8, organosilicon levelling agent 0.7-0.9, film-forming resin 1-2, dimethyl silicone polymer 0.7-1.5, fatty amine 0.9-1.5, silver powder 0.4-0.8, acrylic resin 0.9-1.3, calcium carbonate superfine powder 19-21, hexa 5-6, catechol 0.1-0.3 and dimethicone 0.5-0.7;
The preparation method of the described powdery paints that contains modification trees ashes comprises the following steps:
(1) preparation of film-forming resin: press compositing formula urea 3-5, Tissuemat E 5-7, polyethylene terephthalate 3-5, polyethylene glycol 4-6, zinc powder 0.2-0.3, glycerine 0.3-0.5, octyl epoxy stearate 3-5, styrene 2-3, polyethylene terephthalate 0.2-0.3 and rosin 0.3-0.5; Method for making is as follows: a: Tissuemat E, polyethylene terephthalate, polyethylene glycol, glycerine, octyl epoxy stearate, styrene are added to stainless steel cauldron, be warming up to 110 ± 5 DEG C, start stirring and add urea, polyethylene terephthalate, rosin, zinc powder; B: be then warmed up to 180-195 DEG C with 50-60 DEG C/h of speed; React within 1-2 hour, to stop heating and obtain;
(2) take each raw material by the weight portion of constitutive material, then prepare burden and put into mixer and mix, the compound mixing is put into double screw extruder and extrude, extruder Yi district temperature is controlled at: 98 ± 5 DEG C; Two district's temperature are controlled at: 102 ± 5 DEG C; After sheet material after extruding is cooling, puts into crusher for crushing, grind to form 200-250 object powder, packaging warehouse-in, powder curing condition is: solidification temperature 180-198 DEG C, insulation 10-20 minute;
The preparation method of described modification trees ashes is:
(1) trees ashes are soaked after 2-3 hour with the sodium hydroxide solution of 10-15%;
(2) soak 2-3 hour with 10-15% hydrochloric acid solution;
(3) washing repeatedly by deionized water, is neutral to trees ashes, dries;
(4) be ground to 0.8-1.2 μ m powder, obtain modification trees ashes;
The preparation method of described modified epoxy is as follows: formula: E-55 epoxy resin 60-70, SG-2 type polyvinyl chloride 10-12, dimethylbenzene 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-three (dimethylamino methyl) phenol 10-12, decanedioic acid propanediol polyester 0.2-0.4, chlorinated paraffin wax 0.2-0.4, aminopropyl triethoxysilane 1-2, anti-oxidant DLTP 1-2, preparation method is as follows:
(1), E-55 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 stirred stirs, reaction 1-2 hour;
(3), add other material, be warming up to 180-200 DEG C, 800-1000 rev/min of high-speed stirred, insulation reaction 1-2 hour, filter discharging; Be dried, slough organic solvent dimethylbenzene, obtain modified epoxy.
2. the powdery paints that contains modification trees ashes according to claim 1, is characterized in that the weight portion of its constitutive material is: modified epoxy 45, ldpe resin 7, phenolic resins 3, modification trees ashes 1.5, organosilicon levelling agent 0.8, film-forming resin 1.5, dimethyl silicone polymer 1.2, fatty amine 1.2, silver powder 0.6, acrylic resin 1.1, calcium carbonate superfine powder 20, hexa 5.5, catechol 0.2 and dimethicone 0.6.
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| CN103013279B true CN103013279B (en) | 2016-05-25 |
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| CN103254798B (en) * | 2013-04-09 | 2015-12-23 | 刘庆芳 | A kind of powder coating containing zinc oxide and preparation method thereof |
| CN103289520B (en) * | 2013-04-23 | 2016-01-20 | 安徽圣德建材科技有限公司 | Powder coating of a kind of loaded zirconia and preparation method thereof |
| 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 |
| CN103289536A (en) * | 2013-05-03 | 2013-09-11 | 马鞍山科信咨询有限公司 | Powdery paint containing tree ash |
| CN103333565B (en) * | 2013-05-30 | 2016-07-06 | 蚌埠市时代电子有限公司 | A kind of anticorrosion heat radiation coating and preparation method thereof |
| CN103333591B (en) * | 2013-05-30 | 2016-02-10 | 蚌埠市鸿安精密机械有限公司 | Powder coating of a kind of shock-resistance CC440 vibrin and preparation method thereof |
| CN103387773B (en) * | 2013-08-22 | 2014-10-15 | 吴江市冰心文教用品有限公司 | Heatproof anticorrosion pigment |
| CN104119775B (en) * | 2014-06-25 | 2016-06-01 | 蚌埠凯盛工程技术有限公司 | A kind of deep dull powder coating |
| CN110607571A (en) * | 2019-09-24 | 2019-12-24 | 东莞市博斯蒂新材料有限公司 | Polyester yarn and preparation method thereof |
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