CN102604444A - Preparation method of water-based aluminum pigment for external wall heat insulation - Google Patents
Preparation method of water-based aluminum pigment for external wall heat insulation Download PDFInfo
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- CN102604444A CN102604444A CN2012100353945A CN201210035394A CN102604444A CN 102604444 A CN102604444 A CN 102604444A CN 2012100353945 A CN2012100353945 A CN 2012100353945A CN 201210035394 A CN201210035394 A CN 201210035394A CN 102604444 A CN102604444 A CN 102604444A
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Abstract
The invention discloses a preparation method of a water-based aluminum pigment for external wall heat insulation. The method comprise the steps of feeding raw materials including spherical aluminum powder, a grinding medium, an environment-friendly solvent oil, oleic acid or erucic acid, a passivant, and a titanate coupler into a ball mill; sealing the ball mill, performing ball milling and discharging the raw materials with the environment-friendly solvent oil; conveying the materials into a vibration screen through a pipeline to be screened, removing screen tailings, and putting the materials into a frame filter press to conduct filter pressing, so as to obtain filter cakes with a solid content of 80 percent; and putting the filter cakes, an alcohol or ether solvent with good water miscibility and low molecular weight polyvinyl alcohol together into a reaction kettle, keeping the temperature, discharging the materials, putting the materials into the frame filter press to conduct filter pressing, and performing solid liquid separation so as to obtain a finished product. According to the method, the environment-friendly solvent is adopted to meet national environmental requirements. The aluminum pigment prepared through the method has good water resistance, acid resistance and alkali resistance of the aluminum pigment are achieved, the environmental innocuousness and the service life of the aluminum pigment as a wall insulating coating are improved, and the aluminum pigment is easy to disperse in a paint.
Description
Technical field
The present invention relates to the preparation method of a kind of environment-friendly exterior wall coating, be specifically related to the preparation method of the heat insulation aluminium pigment of a kind of water-based exterior wall with metallic pigment.
Technical background
The Along with people's environmental consciousness improve constantly strict day by day with environmental regulation, environment-friendly type coating will become the leading role in 21 century world's coating market, have boundless market at present at home.With the main raw material of metallic pigment, the environmentfriendly products that the solvent-borne type metallic pigment update, its development will be opened up the road of an environmental protection for the production of domestic metallic paint to water-based aluminium pigment as exterior coating.Through to traditional solvent-borne type aluminium pigment discover that aluminium pigment is after application, coating has good heat insulation effect, has realized the environmental protectionization of exterior wall with aluminium pigment through the aluminium surface of pigments is coated process etc. techniques abroad at present.Water-based aluminium pigment has lower VOC content, has reduced the VOC discharging in the coating process, helps environment protection.Heat insulation, nontoxic, tasteless, pollution-free, construction safety convenience that water-based aluminium pigment has belongs to typical Green Product.
At present, China every year all will be from a large amount of environment protection type heat insulating aluminium of external import pigment.Current, China's exterior coating industry fast development, increasing to demand with environmental protection heat insulating function aluminium pigment.In this case, the water-based aluminium pigment industry of greatly developing China has great significance.At present, domestic research to aluminium powder pigment mainly concentrates on the preparation technology's of aluminium powder pigment improvement and studies, and promptly how to prepare high performance aluminium pigment, and less for the research of aluminium surface of pigments modification processing.Develop water-borne heat-insulating aluminium pigment and become the developing direction of current aluminium pigment applications in exterior coating.
Summary of the invention
The invention provides the preparation method of the heat insulation aluminium pigment of a kind of water-based exterior wall.The present invention uses environmentally friendly solvent, meets national requirements for environmental protection.The heat insulation aluminium pigment of the water-based exterior wall water-tolerant of the present invention's preparation; Solved the acid resistance and the alkali resistance of aluminium pigment, improved environmentally friendly property and the work-ing life of aluminium pigment as the body of wall thermal insulating coating; In coating, be prone to disperse.
The present invention realizes through following technical scheme, the present invention relates to the preparation method of the heat insulation aluminium pigment of a kind of water-based exterior wall, may further comprise the steps:
Step 1 is got in ball aluminum powder, grinding medium, environmentally friendly solvent oil, oleic acid or erucic acid, passivator, the titanate coupling agent input ball mill;
Step 2 seals said ball mill, and ball milling is with the discharging of environmentally friendly solvent oil;
Step 3 is sieved in the material inputted vibration sieve through pipeline, removes screenings, gets into plate and frame(type)filter press and carries out press filtration, obtains solid content and be 80% filter cake;
Step 4, with said filter cake, with water-compatible preferably alcohols or ether solvent, low-molecular-weight Z 150PH add in the reaction kettle, insulation, discharging gets into plate and frame(type)filter press and carries out press filtration, obtains finished product.
Preferably, in said step 1, said grinding medium is that diameter is the steel ball of 0.8mm-1.5mm.
Preferably, in said step 2, the detailed process of said ball milling is earlier with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to said drum's speed of rotation again, ball milling 2 hours.
Preferably, in said step 4, the detailed process of said incubation step is to react 1.5-3 hour under the 40-55 ℃ of temperature.
Preferably, the weight part of described ball aluminum powder, environmentally friendly solvent oil, oleic acid or erucic acid, each composition of titanate coupling agent is: ball aluminum powder 40-80 weight part, environmentally friendly solvent oil 80-160 weight part, oleic acid or erucic acid 0.2-0.5 weight part, passivator 0.1-0.2 weight part, titanate coupling agent 0.08-0.16 weight part.
Preferably, said low-molecular-weight Z 150PH, with water-compatible preferably the weight part of alcohols or each composition of ether solvent be: said Z 150PH 5-10 weight part, said alcohols or ether solvent 120-200 weight part.
Preferably, described environmentally friendly solvent grease separation one or more in D30, D40, D60, D70, D80 solvent oil.
Preferably, described passivator is selected from one or more in phosphoric acid salt, molybdate, Hydrocerol A, the Citrate trianion.
Preferably; Said alcoholic solvent is selected from one or more in ethanol, n-propyl alcohol, Virahol, propyl carbinol, the isopropylcarbinol, and said ether solvent is selected from one or more in ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether, Ucar 35 butyl ether, dipropylene glycol methyl ether, dipropylene glycol ether and the dipropylene glycol butyl ether.
Preferably, to be selected from molecular weight be in 500,1000,1500,2000,2500,3000,3500,4000 one or more to described low molecular weight polyethylene alcohol.
Compared with present technology; Beneficial effect of the present invention is embodied in: the heat insulation aluminium pigment of water-based exterior wall of the present invention's preparation uses the environmentally friendly solvent of no aromatic hydrocarbons in the ball milling stage; Replace the high solvent oil grinding system of traditional aromaticity content, make product not have aromatic hydrocarbons, meet national requirements for environmental protection; The heat insulation aluminium pigment of water-based exterior wall of the present invention's preparation uses passivator in the ball milling stage; Make aluminum particulate in mechanical milling process, can produce layer oxide film on the aluminium powder surface; The aluminum particulate surface forms great amount of hydroxy group simultaneously, and great amount of hydroxy group and Z 150PH form chemically bonded, can form coating layer closely; Coating layer is difficult for being destroyed, water-tolerant; Using polythene of the present invention alcohol coating technology, the environment protecting of Z 150PH is good, nontoxic, climate performance stable, has solved the acid resistance and the alkali resistance of aluminium pigment, has improved environmentally friendly property and the work-ing life of aluminium pigment as the body of wall thermal insulating coating; The heat insulation aluminium pigment of water-based exterior wall and the macromolecule resin intermiscibility in the coating of the present invention's preparation are good, in coating, are prone to disperse.
Embodiment
Embodiment 1
Present embodiment comprises the steps:
Step 1 is got 60 kilograms of raw material ball aluminum powder, diameter is in 102 0.12 kilograms of input ball mills of 0.15 kilogram of 0.36 kilogram of 120 kilograms of 1200 kilograms of grinding medium steel balls, D80 solvent oils, oleic acid, phosphoric acid salt, titanate coupling agent of 0.8mm;
Step 2, the ball sealer grinding machine with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to drum's speed of rotation, and ball milling 2 hours is with the discharging of environmentally friendly solvent oil;
Step 3, through pipeline sieve in the material inputted vibration sieve, classification, remove screenings, get into plate and frame(type)filter press and carry out press filtration, obtain solid content and be 80% filter cake;
Step 4; With above-mentioned filter cake, 160 kilograms propylene glycol monomethyl ether, 7.5 kgMWs is that 1000 Z 150PH adds in the reaction kettle together, under 50 ℃, reacts 2 hours; Discharging; Get into plate and frame(type)filter press and carry out press filtration, solid-liquid separation obtains massfraction and is 65% the heat insulation aluminium pigment of water-based exterior wall.
Embodiment 2
Present embodiment comprises the steps:
Step 1 is got 50 kilograms of raw material ball aluminum powder, diameter is in 102 0.1 kilograms of input ball mills of 0.10 kilogram of 0.20 kilogram of 80 kilograms of 1200 kilograms of grinding medium steel balls, D70 solvent oils, oleic acid, molybdate, titanate coupling agent of 1.0mm;
Step 2, the ball sealer grinding machine with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to drum's speed of rotation, and ball milling 2 hours is with the discharging of environmentally friendly solvent oil;
Step 3, through pipeline sieve in the material inputted vibration sieve, classification, remove screenings, get into plate and frame(type)filter press and carry out press filtration, obtain solid content and be 80% filter cake;
Step 4; With the filter cake that obtains, 120 kilograms ethylene glycol monobutyl ether, 5.0 kgMWs is that 500 Z 150PH adds in the reaction kettle together, under 55 ℃, reacts 1.5 hours; Discharging; Get into plate and frame(type)filter press and carry out press filtration, solid-liquid separation obtains massfraction and is 65% the heat insulation aluminium pigment of water-based exterior wall.
Embodiment 3
Present embodiment comprises the steps:
Step 1 is got 40 kilograms of raw material ball aluminum powder, diameter and is in 1200 kilograms of the grinding medium steel balls, D60 solvent oil double centner, 0.3 kilogram of oleic acid, 0.12 kilogram of Hydrocerol A, 102 0.08 kilograms of input ball mills of titanate coupling agent of 1.2mm;
Step 2, the ball sealer grinding machine with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to drum's speed of rotation, and ball milling 2 hours is with the discharging of environmentally friendly solvent oil;
Step 3, through pipeline sieve in the material inputted vibration sieve, classification, remove screenings, get into plate and frame(type)filter press and carry out press filtration, obtain solid content and be 80% filter cake;
Step 4; With the filter cake that obtains, 140 kilograms ethanol, 6.0 kgMWs is that 2000 Z 150PH adds in the reaction kettle together, under 40 ℃, reacts 2.5 hours; Discharging; Get into plate and frame(type)filter press and carry out press filtration, solid-liquid separation obtains massfraction and is 65% the heat insulation aluminium pigment of water-based exterior wall.
Embodiment 4
Present embodiment comprises the steps:
Step 1 is got 70 kilograms of raw material ball aluminum powder, diameter is in 102 0.14 kilograms of input ball mills of 0.18 kilogram of 0.4 kilogram of 140 kilograms of 1200 kilograms of grinding medium steel balls, D40 solvent oils, erucic acid, Citrate trianion, titanate coupling agent of 1.4mm;
Step 2, the ball sealer grinding machine with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to drum's speed of rotation, and ball milling 2 hours is with the discharging of environmentally friendly solvent oil;
Step 3, through pipeline sieve in the material inputted vibration sieve, classification, remove screenings, get into plate and frame(type)filter press and carry out press filtration, obtain solid content and be 80% filter cake;
Step 4; With the filter cake that obtains, 180 kilograms n-propyl alcohol, 9.0 kgMWs is that 3000 Z 150PH adds in the reaction kettle together, under 50 ℃, reacts 3 hours; Discharging; Get into plate and frame(type)filter press and carry out press filtration, solid-liquid separation obtains massfraction and is 65% the heat insulation aluminium pigment of water-based exterior wall.
Embodiment 5
Present embodiment comprises the steps:
Step 1 is got 80 kilograms of raw material ball aluminum powder, diameter is in 102 0.16 kilograms of input ball mills of 0.2 kilogram of 0.5 kilogram of 160 kilograms of 1200 kilograms of grinding medium steel balls, D30 solvent oils, erucic acid, molybdate, titanate coupling agent of 1.5mm;
Step 2, the ball sealer grinding machine with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to drum's speed of rotation, and ball milling 2 hours is with the discharging of environmentally friendly solvent oil;
Step 3, through pipeline sieve in the material inputted vibration sieve, classification, remove screenings, get into plate and frame(type)filter press and carry out press filtration, obtain solid content and be 80% filter cake;
Step 4; With 75 kilograms of above-mentioned filter cakes, 200 kilograms propyl carbinol, 10 kgMWs is that 4000 Z 150PH adds in the reaction kettle together, under 45 ℃, reacts 2 hours; Discharging; Get into plate and frame(type)filter press and carry out press filtration, solid-liquid separation obtains massfraction and is 65% the heat insulation aluminium pigment of water-based exterior wall.
With the aluminium pigment finished product that above-mentioned each embodiment obtains, measure its product performance according to the conventional sense means, its each performance index are following:
(1) soda acid hydrogen :≤5mL
(2) thermal insulation: >=10 ℃
(3) tail over rate (75 μ m sieve aperture) :≤2.0%
(4) foreign metal total amount :≤1.0%
(5) salt fog resistance (hour): >=1000
(6) benzene content :≤0.1%
(7) toluene, YLENE, ethyl-benzene level summation :≤1%
What should explain at last is: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification sheets has carried out detailed explanation to the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.
Claims (10)
1. the preparation method of the heat insulation aluminium pigment of water-based exterior wall is characterized in that, may further comprise the steps:
Step 1 is got in ball aluminum powder, grinding medium, environmentally friendly solvent oil, oleic acid or erucic acid, passivator, the titanate coupling agent input ball mill;
Step 2 seals said ball mill, and ball milling is with the discharging of environmentally friendly solvent oil;
Step 3 is sieved in the material inputted vibration sieve through pipeline, removes screenings, gets into plate and frame(type)filter press and carries out press filtration, obtains solid content and be 80% filter cake;
Step 4, with said filter cake, with water-compatible preferably alcohols or ether solvent, low-molecular-weight Z 150PH add in the reaction kettle, insulation, discharging gets into plate and frame(type)filter press and carries out press filtration, obtains finished product.
2. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1 is characterized in that: in said step 1, said grinding medium is that diameter is the steel ball of 0.8mm-1.5mm.
3. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1; It is characterized in that: in said step 2; The detailed process of said ball milling is earlier with the rotating speed ball milling of 60r/min 6 hours, is adjusted to 30r/min to said drum's speed of rotation again, ball milling 2 hours.
4. according to the preparation method of claim 1 or the heat insulation aluminium pigment of 2 or 3 described water-based exterior wall, it is characterized in that: in said step 4, the detailed process of said incubation step is to react 1.5-3 hour under the 40-55 ℃ of temperature.
5. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1 is characterized in that: the weight part of described ball aluminum powder, environmentally friendly solvent oil, oleic acid or erucic acid, each composition of titanate coupling agent is: ball aluminum powder 40-80 weight part, environmentally friendly solvent oil 80-160 weight part, oleic acid or erucic acid 0.2-0.5 weight part, passivator 0.1-0.2 weight part, titanate coupling agent 0.08-0.16 weight part.
6. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1 is characterized in that: said low-molecular-weight Z 150PH, with water-compatible preferably the weight part of alcohols or each composition of ether solvent be: said Z 150PH 5-10 weight part, said alcohols or ether solvent 120-200 weight part.
7. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1 is characterized in that: described environmentally friendly solvent grease separation one or more in D30, D40, D60, D70, D80 solvent oil.
8. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1, it is characterized in that: described passivator is selected from one or more in phosphoric acid salt, molybdate, Hydrocerol A, the Citrate trianion.
9. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1; It is characterized in that: said alcoholic solvent is selected from one or more in ethanol, n-propyl alcohol, Virahol, propyl carbinol, the isopropylcarbinol, and said ether solvent is selected from one or more in ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene-glycol ethyl ether, Ucar 35 butyl ether, dipropylene glycol methyl ether, dipropylene glycol ether and the dipropylene glycol butyl ether.
10. the preparation method of the heat insulation aluminium pigment of water-based exterior wall according to claim 1 is characterized in that: it is in 500,1000,1500,2000,2500,3000,3500,4000 one or more that described low molecular weight polyethylene alcohol is selected from molecular weight.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766360A (en) * | 2012-08-07 | 2012-11-07 | 江苏伊特复合新材料有限公司 | Preparation method of silica coated aqueous aluminum paste |
| CN102838888A (en) * | 2012-08-27 | 2012-12-26 | 淮北五星铝业有限公司 | Super mercerization argentalium silver paste preparation method |
| CN103265246A (en) * | 2013-06-07 | 2013-08-28 | 欧应平 | Outer wall once coating material |
| CN103627220A (en) * | 2013-12-12 | 2014-03-12 | 重庆诺泰颜料有限公司 | Preparation method of environment-friendly aluminium pigment |
| CN104312221A (en) * | 2014-10-27 | 2015-01-28 | 合肥旭阳铝颜料有限公司 | Heat-resisting magnetic aluminum pigment and preparation method thereof |
| CN104312222A (en) * | 2014-10-27 | 2015-01-28 | 合肥旭阳铝颜料有限公司 | Anti-rusting magnetic aluminium pigment and preparation method thereof |
| CN111167569A (en) * | 2019-12-31 | 2020-05-19 | 曲靖华益兴新材料有限公司 | Method and equipment for preparing easily-dispersible aluminum powder pigment by direct ball milling |
| CN112210286A (en) * | 2020-10-28 | 2021-01-12 | 雅图高新材料股份有限公司 | Self-drying water-based metallic paint |
| CN112322078A (en) * | 2020-09-16 | 2021-02-05 | 长沙族兴新材料股份有限公司 | Non-floating water-based aluminum pigment and preparation method thereof |
| CN112920432A (en) * | 2021-03-01 | 2021-06-08 | 安徽天易金属新材料有限公司 | Special strip aluminum pigment for PC and preparation method thereof |
| CN116004038A (en) * | 2022-11-21 | 2023-04-25 | 合肥旭阳铝颜料有限公司 | Excellent silver-element type aluminium pigment and its preparing process |
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| CN102766360B (en) * | 2012-08-07 | 2014-04-02 | 江苏伊特复合新材料有限公司 | Preparation method of silica coated aqueous aluminum paste |
| CN102766360A (en) * | 2012-08-07 | 2012-11-07 | 江苏伊特复合新材料有限公司 | Preparation method of silica coated aqueous aluminum paste |
| CN102838888A (en) * | 2012-08-27 | 2012-12-26 | 淮北五星铝业有限公司 | Super mercerization argentalium silver paste preparation method |
| CN103265246A (en) * | 2013-06-07 | 2013-08-28 | 欧应平 | Outer wall once coating material |
| CN103627220B (en) * | 2013-12-12 | 2016-02-17 | 重庆诺泰颜料有限公司 | The preparation method of environment-friendlyaluminium aluminium pigment |
| CN103627220A (en) * | 2013-12-12 | 2014-03-12 | 重庆诺泰颜料有限公司 | Preparation method of environment-friendly aluminium pigment |
| CN104312221B (en) * | 2014-10-27 | 2016-03-02 | 合肥旭阳铝颜料有限公司 | A kind of fire resistant magnetic aluminium pigment and preparation method thereof |
| CN104312222A (en) * | 2014-10-27 | 2015-01-28 | 合肥旭阳铝颜料有限公司 | Anti-rusting magnetic aluminium pigment and preparation method thereof |
| CN104312221A (en) * | 2014-10-27 | 2015-01-28 | 合肥旭阳铝颜料有限公司 | Heat-resisting magnetic aluminum pigment and preparation method thereof |
| CN111167569A (en) * | 2019-12-31 | 2020-05-19 | 曲靖华益兴新材料有限公司 | Method and equipment for preparing easily-dispersible aluminum powder pigment by direct ball milling |
| CN112322078A (en) * | 2020-09-16 | 2021-02-05 | 长沙族兴新材料股份有限公司 | Non-floating water-based aluminum pigment and preparation method thereof |
| CN112322078B (en) * | 2020-09-16 | 2021-06-25 | 长沙族兴新材料股份有限公司 | Non-floating water-based aluminum pigment and preparation method thereof |
| CN112210286A (en) * | 2020-10-28 | 2021-01-12 | 雅图高新材料股份有限公司 | Self-drying water-based metallic paint |
| CN112920432A (en) * | 2021-03-01 | 2021-06-08 | 安徽天易金属新材料有限公司 | Special strip aluminum pigment for PC and preparation method thereof |
| CN112920432B (en) * | 2021-03-01 | 2023-12-19 | 安徽天易金属新材料有限公司 | Special strip-shaped aluminum pigment for PC (polycarbonate) and preparation method thereof |
| CN116004038A (en) * | 2022-11-21 | 2023-04-25 | 合肥旭阳铝颜料有限公司 | Excellent silver-element type aluminium pigment and its preparing process |
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Application publication date: 20120725 |