CN112280152A - Preparation method of universal type colored sand - Google Patents
Preparation method of universal type colored sand Download PDFInfo
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- CN112280152A CN112280152A CN202011267419.5A CN202011267419A CN112280152A CN 112280152 A CN112280152 A CN 112280152A CN 202011267419 A CN202011267419 A CN 202011267419A CN 112280152 A CN112280152 A CN 112280152A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
The invention provides a preparation method of universal type colored sand, which comprises the following steps: adding an adhesive, a stabilizer and a lubricant into an internal mixer, setting the temperature at 100-120 ℃, stirring until plasticizing, adding a reinforcing filler for 2 times, stirring until agglomeration, adding the toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring for 30-40 minutes at the temperature of 120-130 ℃, taking out the blocks, and cooling; putting the cooled materials into a three-roller open mill, rolling, taking out and cooling; and crushing the cooled materials into fine particles by using a crusher to prepare the colored sand. The color sand prepared by the invention has better dispersibility, saturation, weather resistance and heat resistance and small color difference; the common color sand can only be used for coloring resin with better compatibility, and compared with the common color sand, the universal color sand disclosed by the invention can be more suitable for coloring large-range polyolefin resins such as EVA, PE, PP, ABS, PVC and the like.
Description
Technical Field
The invention relates to the technical field of polymer chemistry and polymers, in particular to a preparation method of universal type colored sand.
Background
In the coloring of high molecular polymers, toner pigments or color concentrates are generally blended and processed. Although the toner pigment is relatively cheap, the toner pigment has a certain pulverization degree, is generally powder which cannot flow freely, and has the defects of serious environmental pollution, easy moisture, poor dispersion, unstable coloring and the like. On the contrary, the color master batch prepared by grinding, stirring or screw extrusion and uniform dispersion in resin can obviously solve the problems, and has the advantages of no dust pollution, stable coloring, good dispersion, difficult damping and convenient transportation and processing. So that color concentrates are mostly adopted as colorants in high molecular polymers at present.
However, due to the diversification of various polymers, carriers of the color masterbatch are increasingly diversified, common general color masterbatch meets the increasingly rich and diversified markets, and the cost is improved. In order to reduce the cost, the concentration of the color masterbatch is higher and higher, but the pigment is difficult to disperse due to the higher content of the pigment in the color masterbatch, so that the colored sand which is a product of a pigment pre-dispersed body is provided.
The colored sand belongs to a high-concentration pigment, has special compatibility and adaptability, can be used as a colorant instead of a toner pigment, avoids the defects of serious environmental pollution, easy moisture, poor dispersion, unstable coloring and other factors caused by directly using the toner pigment, can be mixed with various polymers to prepare color concentrates of different carriers, and simplifies the production process flow of the color concentrates.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation method of universal type color sand.
The technical scheme of the invention is as follows: a preparation method of universal type colored sand comprises the following steps:
s1), adding an adhesive, a stabilizer and a lubricant into an internal mixer, setting the temperature at 100-130 ℃, stirring until plasticizing, adding a reinforcing filler for 2 times, stirring until agglomeration, adding a toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, controlling the temperature at 120-130 ℃, stirring for 30-40 minutes, taking out the cut blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling, taking out and cooling;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Further, in the step S1), the mass ratio of the adhesive, the stabilizer, the lubricant, the reinforcing filler and the toner pigment in the mixed material is 30-40: 1-2: 10-30: 40-55.
Further, in step S1), the adhesive is a high molecular polyethylene wax.
Further, in step S1), the stabilizer is zinc stearate.
Further, in step S1), the lubricant is stearic acid.
Further, in step S1), the reinforcing filler is light calcium carbonate.
Further, in step S1), the pigment toner is an organic phthalocyanine pigment.
Further, in step S2), the rolling temperature of the three-roll mill is set to 110-90 ℃, and the pressure is set to 40 bar.
The invention has the beneficial effects that: the color sand prepared by the invention has better dispersibility, saturation, weather resistance and heat resistance and small color difference; the common color sand can only be used for coloring resin with better compatibility, and compared with the common color sand, the universal color sand disclosed by the invention can be more suitable for coloring large-range polyolefin resins such as EVA, PE, PP, ABS, PVC and the like.
Detailed Description
The following further illustrates embodiments of the invention:
example 1
The embodiment provides a preparation method of universal type colored sand, which comprises the following steps:
s1), adding 30kg of adhesive, 1kg of stabilizer and 1.2kg of lubricant into an internal mixer, stirring at the temperature of 100-120 ℃ until plasticizing, adding 30kg of reinforcing filler for 2 times, stirring until agglomeration, adding 40kg of toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring at the temperature of 120-130 ℃ for 30-40 minutes, taking out the blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling over, taking out and cooling, wherein the rolling temperature of the three-roller open mill is set to be 100 ℃, and the pressure is set to be 40 bar;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Example 2
S1), adding 35kg of adhesive, 1.2kg of stabilizer and 1.4kg of lubricant into an internal mixer, stirring at the temperature of 100-120 ℃ until plasticizing, adding 20kg of reinforcing filler for 2 times, stirring until agglomeration, adding 45kg of toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring at the temperature of 120-130 ℃ for 30-40 minutes, taking out the cut blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling over, taking out and cooling, wherein the rolling temperature of the three-roller open mill is set to be 110 ℃, and the pressure is set to be 40 bar;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Example 3
S1), adding 35kg of adhesive, 1kg of stabilizer and 1.2kg of lubricant into an internal mixer, stirring at the temperature of 100-120 ℃ until plasticizing, adding 28kg of reinforcing filler for 2 times, stirring until agglomeration, adding 40kg of toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring at the temperature of 120-130 ℃ for 30-40 minutes, taking out the blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling over, taking out and cooling, wherein the rolling temperature of the three-roller open mill is set to be 90-110 ℃, and the pressure is set to be 40 bar;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Example 4
S1), adding 37kg of adhesive, 1.5kg of stabilizer and 1.8kg of lubricant into an internal mixer, stirring at the temperature of 100-130 ℃ until plasticizing, adding 15kg of reinforcing filler for 2 times, stirring until agglomeration, adding 50kg of toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring at the temperature of 120-130 ℃ for 30-40 minutes, taking out the cut blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling over, taking out and cooling, wherein the rolling temperature of the three-roller open mill is set to be 90-110 ℃, and the pressure is set to be 40 bar;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Example 5
S1), adding 40kg of adhesive, 1.8kg of stabilizer and 2kg of lubricant into an internal mixer, stirring at the temperature of 100 ℃ and 120 ℃ until plasticizing, adding 10kg of reinforcing filler for 2 times, stirring until agglomeration, adding 55kg of toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring at the temperature of 125 ℃ for 35 minutes, taking out the cut blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling over, taking out and cooling, wherein the rolling temperature of the three-roller open mill is set to be 100 ℃, and the pressure is set to be 40 bar;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Example 6
S1), adding 38kg of adhesive, 1.5kg of stabilizer and 1.8kg of lubricant into an internal mixer, stirring at 100 ℃ until plasticizing, adding 15kg of reinforcing filler for 2 times, stirring until agglomeration, adding 50kg of toner pigment into the internal mixer for 4 times, stirring until agglomeration, opening cooling circulating water when the toner pigment is added for the last time, stirring at 120 ℃ for 30 minutes, taking out the cut blocks, and cooling;
s2), putting the cooled material into a three-roller open mill, rolling over, taking out and cooling, wherein the rolling temperature of the three-roller open mill is set to 90 ℃, and the pressure is set to 40 bar;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
Example 7
And (3) performance testing: in the verification of coloring with polyolefin resins such as EVA, PE, PP, ABS, PVC and the like, the colored sand prepared in the embodiments 1-6 of the invention has good tinting strength, excellent compatibility and dispersibility, and no obvious holes or color spots on the colored material.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (8)
1. The preparation method of the universal type colored sand is characterized by comprising the following steps:
s1), adding a certain amount of adhesive, stabilizer and lubricant into an internal mixer, wherein the temperature of the internal mixer is set at 120 ℃ in 100-;
s2), putting the cooled material into a three-roller open mill, rolling, taking out and cooling;
s3), crushing the material cooled in the step S2) into fine particles by a crusher to prepare the colored sand.
2. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in the step S1), the mass ratio of the adhesive, the stabilizer, the lubricant, the reinforcing filler and the toner pigment in the mixed material is 30-40: 1-2: 10-30: 40-55.
3. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in step S1), the adhesive is a high molecular polyethylene wax.
4. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in step S1), in step S1), the stabilizer is zinc stearate.
5. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in step S1), in step S1), the lubricant is stearic acid.
6. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in step S1), in step S1), the reinforcing filler is precipitated calcium carbonate.
7. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in step S1), in step S1), the pigment toner is an organic phthalocyanine pigment.
8. The method for preparing universal type color sand according to claim 1, wherein the method comprises the following steps: in the step S1), in the step S2), the rolling temperature of the three-roller open mill is set to be 110-90 ℃, and the pressure is set to be 40 bar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011267419.5A CN112280152A (en) | 2020-11-13 | 2020-11-13 | Preparation method of universal type colored sand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011267419.5A CN112280152A (en) | 2020-11-13 | 2020-11-13 | Preparation method of universal type colored sand |
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| CN112280152A true CN112280152A (en) | 2021-01-29 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838398A (en) * | 2009-03-18 | 2010-09-22 | 上海剑徽塑胶科技有限公司 | Composition and processing technique for plastic colored sand |
| CN102010539A (en) * | 2010-11-12 | 2011-04-13 | 上海剑徽塑胶科技有限公司 | Composition of plastic coloring microsphere color master batch and processing technique of plastic coloring microsphere color master batch |
| CN102807686A (en) * | 2011-06-01 | 2012-12-05 | 东莞市神彩塑胶制品有限公司 | Smalt for coloring plastics and processing technique thereof |
| CN103450538A (en) * | 2013-08-22 | 2013-12-18 | 吴江龙硕金属制品有限公司 | Coloring sand for coloring plastics |
| CN107200964A (en) * | 2017-07-01 | 2017-09-26 | 武汉金牛经济发展有限公司 | A kind of carrier-free smalt and its application and preparation method for PVC spool material |
-
2020
- 2020-11-13 CN CN202011267419.5A patent/CN112280152A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838398A (en) * | 2009-03-18 | 2010-09-22 | 上海剑徽塑胶科技有限公司 | Composition and processing technique for plastic colored sand |
| CN102010539A (en) * | 2010-11-12 | 2011-04-13 | 上海剑徽塑胶科技有限公司 | Composition of plastic coloring microsphere color master batch and processing technique of plastic coloring microsphere color master batch |
| CN102807686A (en) * | 2011-06-01 | 2012-12-05 | 东莞市神彩塑胶制品有限公司 | Smalt for coloring plastics and processing technique thereof |
| CN103450538A (en) * | 2013-08-22 | 2013-12-18 | 吴江龙硕金属制品有限公司 | Coloring sand for coloring plastics |
| CN107200964A (en) * | 2017-07-01 | 2017-09-26 | 武汉金牛经济发展有限公司 | A kind of carrier-free smalt and its application and preparation method for PVC spool material |
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Application publication date: 20210129 |
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