CN103359783B - Automobile plastic special color master batch titanium white production technique - Google Patents
Automobile plastic special color master batch titanium white production technique Download PDFInfo
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- CN103359783B CN103359783B CN201310324121.7A CN201310324121A CN103359783B CN 103359783 B CN103359783 B CN 103359783B CN 201310324121 A CN201310324121 A CN 201310324121A CN 103359783 B CN103359783 B CN 103359783B
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Abstract
The present invention relates to a kind of automobile plastic special color master batch titanium white production technique, include following steps: ore dressing, pulverizing, acidolysis, sedimentation, press filtration, titanium liquid are concentrated, hydrolysis, washing, bleaching, rinsing, Ficus caricaL, barrier film press filtration, calcining, pulverizing, the content controlling arsenic in beneficiation steps is less than 5ppm, adds the K of 0.5% in Ficus caricaL step
2cO
3, the H of 0.15%
3pO
4, all with TiO
2meter, ensures that the specific surface area of gained titanium dioxide is 8 ~ 15m
2/ g; The automobile plastic special color master batch titanium dioxide tool adopting technical solution of the present invention to produce has the following advantages: whiteness is high, low, the anti-yellowing change ability of good dispersity, strong covering power, processing moment of torsion is excellent.
Description
Technical field
The present invention relates to a kind of automobile plastic special color master batch titanium white production technique.
Background technology
Along with the fast development of China's plastics industry, the especially development of automobile industry, people improve further to the articles colored requirement of automobile, and the painted main colorize method having become plastics of Masterbatch, is widely used.Plastic color master grain is a kind of highly enriched, high performance pigment configuration product, and its range of application is wide.Titanium dioxide for producing color master batch is positioned at the core layer of Masterbatch, because titanium dioxide has the performances such as refractive index is high, strong coloring force, glossiness are good, whiteness is high, dispersiveness is strong, weathering resistance is strong, is transcribed as " king of white pigment ".
Automobile plastic special color master batch titanium dioxide requires higher to whiteness, dispersiveness, opacifying power, processing torque performance etc., and common titanium dioxide is difficult to reach above-mentioned requirements, therefore needs to improve existing titanium white production technique.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of whiteness is high, good dispersity, strong covering power, automobile plastic special color master batch titanium dioxide that processing moment of torsion is low production technique.
To achieve these goals, the invention provides a kind of automobile plastic special color master batch titanium white production technique, include following steps: ore dressing, pulverizing, acidolysis, sedimentation, press filtration, titanium liquid are concentrated, hydrolysis, washing, bleaching, rinsing, Ficus caricaL, barrier film press filtration, calcining, pulverizing, the content controlling arsenic in beneficiation steps is less than 5ppm, adds the K of 0.5% in Ficus caricaL step
2cO
3, the H of 0.15%
3pO
4, all with TiO
2meter, ensures that the specific surface area of gained titanium dioxide is 8 ~ 15m
2/ g.
Preferably, in order to improve whiteness, dispersiveness, opacifying power, reduction processing moment of torsion further, in described beneficiation steps, heavy metal content is lower than 1000ppm, controls iron level lower than 50ppm in described water-washing step.
Preferably, in order to improve the span of control of temperature in whiteness, dispersiveness, opacifying power, reduction processing moment of torsion calcination process further at 10 DEG C.
The automobile plastic special color master batch titanium dioxide tool of production of technique scheme is adopted to have the following advantages: whiteness is high, good dispersity, strong covering power, low, the anti-yellowing change ability of processing moment of torsion are excellent.
Embodiment
Embodiment 1
The invention provides a kind of automobile plastic special color master batch titanium white production technique, include following steps: ore dressing, pulverizing, acidolysis, sedimentation, press filtration, titanium liquid are concentrated, hydrolysis, washing, bleaching, rinsing, Ficus caricaL, barrier film press filtration, calcining, pulverizing, the content controlling arsenic in beneficiation steps is less than 5ppm, adds the K of 0.5% in Ficus caricaL step
2cO
3, the H of 0.15%
3pO
4, all with TiO
2meter, ensures that the specific surface area of gained titanium dioxide is 8 ~ 15m
2/ g.In described beneficiation steps, heavy metal content is lower than 1000ppm, controls iron level lower than 50ppm in described water-washing step, and in described calcination process, the span of control of temperature is at 10 DEG C.
The automobile plastic special color master batch titanium dioxide that above-mentioned technique obtains, its significant parameter is as follows:
Embodiment 2
The invention provides a kind of automobile plastic special color master batch titanium white production technique, include following steps: ore dressing, pulverizing, acidolysis, sedimentation, press filtration, titanium liquid are concentrated, hydrolysis, washing, bleaching, rinsing, Ficus caricaL, barrier film press filtration, calcining, pulverizing, the content controlling arsenic in beneficiation steps is less than 5ppm, adds the K of 0.5% in Ficus caricaL step
2cO
3, the H of 0.15%
3pO
4, all with TiO
2meter, ensures that the specific surface area of gained titanium dioxide is 8m
2/ g.In described beneficiation steps, heavy metal content is lower than 1000ppm, controls iron level lower than 50ppm in described water-washing step, and in described calcination process, the span of control of temperature is at 10 DEG C.
The automobile plastic special color master batch titanium dioxide that above-mentioned technique obtains, its significant parameter is as follows:
Embodiment 3
The invention provides a kind of automobile plastic special color master batch titanium white production technique, include following steps: ore dressing, pulverizing, acidolysis, sedimentation, press filtration, titanium liquid are concentrated, hydrolysis, washing, bleaching, rinsing, Ficus caricaL, barrier film press filtration, calcining, pulverizing, the content controlling arsenic in beneficiation steps is less than 5ppm, adds the K of 0.5% in Ficus caricaL step
2cO
3, the H of 0.15%
3pO
4, all with TiO
2meter, ensures that the specific surface area of gained titanium dioxide is 15m
2/ g.In described beneficiation steps, heavy metal content is lower than 1000ppm, controls iron level lower than 40ppm in described water-washing step, and in described calcination process, the span of control of temperature is at 10 DEG C.
The automobile plastic special color master batch titanium dioxide that above-mentioned technique obtains, its significant parameter is as follows:
Above-described is only certain preferred embodiments of the present invention; it should be pointed out that for a person skilled in the art, under the prerequisite not departing from instant component, proportioning and processing parameter; can also make some improvement, these also should be considered as protection scope of the present invention.
Claims (1)
1. automobile plastic special color master batch titanium white production technique, include following steps: ore dressing, pulverizing, acidolysis, sedimentation, press filtration, titanium liquid are concentrated, hydrolysis, washing, bleaching, rinsing, Ficus caricaL, barrier film press filtration, calcining, pulverizing, it is characterized in that: the content controlling arsenic in beneficiation steps is less than 5ppm, in Ficus caricaL step, add the K of 0.5%
2cO
3, the H of 0.15%
3pO
4, all with TiO
2meter, ensures that the specific surface area of gained titanium dioxide is 8 ~ 15m
2/ g, in described beneficiation steps, heavy metal content is lower than 1000ppm, controls iron level lower than 50ppm in described water-washing step.
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| CN201310324121.7A CN103359783B (en) | 2013-07-30 | 2013-07-30 | Automobile plastic special color master batch titanium white production technique |
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| CN201310324121.7A CN103359783B (en) | 2013-07-30 | 2013-07-30 | Automobile plastic special color master batch titanium white production technique |
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| CN103359783A CN103359783A (en) | 2013-10-23 |
| CN103359783B true CN103359783B (en) | 2016-01-27 |
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Families Citing this family (1)
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| CN107935038B (en) * | 2017-12-12 | 2020-05-29 | 广西金茂钛业有限公司 | Preparation process of special titanium dioxide for plastic color master batch |
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| CN101857269A (en) * | 2010-06-25 | 2010-10-13 | 四川龙蟒钛业股份有限公司 | Method for preparing titanium pigment from novel-process-flow titanium slag and titanium concentrated ore through mixed acidolysis |
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| CN102557128A (en) * | 2010-12-07 | 2012-07-11 | 河南佰利联化学股份有限公司 | Novel production process of titanium dioxide powder |
| CN102627321A (en) * | 2012-04-01 | 2012-08-08 | 沙立林 | Method for preparing titanium pigment by using titanium residues obtained by directly reducing titanium-iron oxide |
| CN103043715A (en) * | 2012-12-19 | 2013-04-17 | 攀枝花鼎星钛业有限公司 | Production method of titanium dioxide powder |
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| CN101857269A (en) * | 2010-06-25 | 2010-10-13 | 四川龙蟒钛业股份有限公司 | Method for preparing titanium pigment from novel-process-flow titanium slag and titanium concentrated ore through mixed acidolysis |
| CN101898791A (en) * | 2010-06-25 | 2010-12-01 | 四川龙蟒钛业股份有限公司 | Method for preparing rutile titanium dioxide from new process titanium slag |
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| CN102627321A (en) * | 2012-04-01 | 2012-08-08 | 沙立林 | Method for preparing titanium pigment by using titanium residues obtained by directly reducing titanium-iron oxide |
| CN103043715A (en) * | 2012-12-19 | 2013-04-17 | 攀枝花鼎星钛业有限公司 | Production method of titanium dioxide powder |
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