CN111303458A - Preparation method of light-resistant and antibacterial color master batch - Google Patents
Preparation method of light-resistant and antibacterial color master batch Download PDFInfo
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- CN111303458A CN111303458A CN202010298812.4A CN202010298812A CN111303458A CN 111303458 A CN111303458 A CN 111303458A CN 202010298812 A CN202010298812 A CN 202010298812A CN 111303458 A CN111303458 A CN 111303458A
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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
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a preparation method of a light-resistant and antibacterial color master batch, which comprises the following steps of 1, preparing color paste; step 2, adding the prepared color paste and the carrier resin into a mixing roll, heating, mixing and coloring, and adding a thickening agent into the mixture to form a mixed material; step 3, adding polylactic acid, a dispersing agent, a stabilizing agent, a coupling agent and a flavoring agent into the mixture, stirring at a high speed by using a stirrer, and grinding by using a grinder after uniformly stirring to obtain a mixture; and 4, smelting and co-extruding the mixture obtained in the step 3 by using an extruder, and performing cooling, granulating and drying treatment to obtain the light-resistant and antibacterial color master batch. The invention has reasonable design, and the polylactic acid, the multiple grinding and the auxiliary of the auxiliary agent are added in the preparation of the color master batch, so that the prepared color master batch has certain light resistance, antibacterial property and flame resistance, the dispersibility, the stability and the tinting strength of the color master batch are improved to a certain extent, the harm to human bodies is reduced, and the color master batch is an environment-friendly product.
Description
Technical Field
The invention mainly relates to the technical field of color master batch manufacturing, in particular to a preparation method of a light-resistant and antibacterial color master batch.
Background
The color master batch is a plastic colorant prepared by well dispersing a pigment or an additive with a high proportion and a thermoplastic resin, and the selected resin has good wetting and dispersing effects on the colorant and good compatibility with a material to be colored, so the color master batch has wide application, especially in plastics.
However, with the wide application of color master batches, better requirements are provided for the color master batches, and the color master batches in the prior art can generate a photosensitive effect under a light source, have a fading phenomenon and poor light resistance and bacterial resistance.
Disclosure of Invention
Technical problem to be solved by the invention
The invention mainly provides a preparation method of a light-resistant and antibacterial color master batch, which is used for solving the technical problems that the color master batch in the prior art proposed in the background art can generate photosensitization under a light source, has a fading phenomenon and is poor in light resistance and bacterial resistance.
Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a preparation method of a light-resistant and antibacterial color master batch comprises the following steps:
step 1, preparing color paste;
step 2, adding the prepared color paste and the carrier resin into a mixing roll, heating, mixing and coloring, and adding a thickening agent into the mixture to form a mixed material;
step 3, adding polylactic acid, a dispersing agent, a stabilizing agent, a coupling agent and a flavoring agent into the mixture, stirring at a high speed by using a stirrer, and grinding by using a grinder after uniformly stirring to obtain a mixture;
and 4, smelting and co-extruding the mixture obtained in the step 3 by using an extruder, and performing cooling, granulating and drying treatment to obtain the light-resistant and antibacterial color master batch.
Further, in the step 1, 20-30% of dye, 60-70% of polyester polyol, 0.5-1% of color-developing agent, 0.1-1% of defoaming agent and 1-5% of dispersing agent are added into a stirrer to be uniformly stirred, then a grinding machine is used for grinding, and after the particle size reaches within 3 microns, the grinding is stopped to obtain the color paste.
Further, in the step 2, the mixing temperature is 150-: 10 to 30 percent of color paste, 60 to 90 percent of carrier resin and 1 to 3 percent of thickening agent.
Further, the formula of the mixed material comprises: 10 to 15 percent of color paste, 30 to 95 percent of carrier resin, 1 to 3 percent of thickening agent and 0.5 to 3 percent of ultraviolet absorbent.
Further, in the step 3, 85% -95% of mixed materials, 3% -8% of polylactic acid, 0.5% -2% of dispersing agent, 0.5% -1% of stabilizing agent, 0.1% -0.5% of coupling agent and 1% -2% of flavoring agent are included, the rotating speed of a stirrer is 1500r/min, stirring is carried out for 5-10min, and the particle size of the grinding particles is less than 300 nanometers.
Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention has reasonable design, and the polylactic acid, the multiple grinding and the auxiliary of the auxiliary agent are added in the preparation of the color master batch, so that the prepared color master batch has certain light resistance, antibacterial property and flame resistance, the dispersibility, the stability and the tinting strength of the color master batch are improved to a certain extent, the harm to human bodies is reduced, and the color master batch is an environment-friendly product.
Detailed Description
This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is provided for disclosure.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
A preparation method of a light-resistant and antibacterial color master batch comprises the following steps:
step 1, preparing color paste; adding 25% of dye, 70% of polyester polyol, 0.7% of color developing agent, 0.8% of defoaming agent and 3.5% of dispersing agent into a stirrer, uniformly stirring, grinding by using a grinding machine, and stopping grinding to obtain the color paste after the particle size reaches within 3 microns.
Step 2, adding the prepared color paste and the carrier resin into a mixing roll, heating, mixing and coloring, and adding a thickening agent into the mixture to form a mixed material; the mixing temperature is 150-: 12% of color paste, 85% of carrier resin and 3% of thickening agent.
And 3, stirring 87% of the mixed material, 8% of polylactic acid, 2% of dispersing agent, 0.5% of stabilizing agent, 0.5% of coupling agent and 2% of flavoring agent at high speed by using a stirrer, uniformly stirring, and grinding by using a grinder to obtain a mixture, wherein the rotating speed of the stirrer is 1500r/min, the stirring is carried out for 10min, and the particle size of the ground particles is less than 300 nanometers.
And 4, smelting and co-extruding the mixture obtained in the step 3 by using an extruder, and performing cooling, granulating and drying treatment to obtain the light-resistant and antibacterial color master batch.
Example 2
A preparation method of a light-resistant and antibacterial color master batch comprises the following steps:
step 1, preparing color paste; adding 30% of dye, 67% of polyester polyol, 0.7% of color developing agent, 0.8% of defoaming agent and 1.5% of dispersing agent into a stirrer, uniformly stirring, grinding by using a grinding machine, and stopping grinding to obtain the color paste after the particle size reaches within 3 microns.
Step 2, adding the prepared color paste and the carrier resin into a mixing roll, heating, mixing and coloring, and adding a thickening agent into the mixture to form a mixed material; the mixing temperature is 150-: 15 percent of color paste, 80 percent of carrier resin, 2.5 percent of thickening agent and 2.5 percent of ultraviolet absorbent.
And 3, stirring 93% of mixed materials, 4% of polylactic acid, 1% of dispersing agent, 0.5% of stabilizing agent, 0.3% of coupling agent and 1.2% of flavoring agent at high speed by using a stirring machine, uniformly stirring, and grinding by using a grinding machine to obtain a mixture, wherein the rotating speed of the stirring machine is 1500r/min, the stirring is carried out for 10min, and the particle size of the ground particles is less than 300 nanometers.
And 4, smelting and co-extruding the mixture obtained in the step 3 by using an extruder, and performing cooling, granulating and drying treatment to obtain the light-resistant and antibacterial color master batch.
In conclusion, the invention has reasonable design, because the product prepared by the polylactic acid can be biodegraded, and has good biocompatibility, glossiness, transparency, hand feeling and heat resistance, the polylactic acid developed by the Youhavia industry also has certain antibacterial property, flame retardance and ultraviolet resistance, and the prepared color master batch has certain light resistance, antibacterial property and flame retardance by adding the polylactic acid and the assistance of multiple grinding and auxiliary agents in the preparation of the color master batch, improves the dispersibility, stability and tinting strength to a certain extent, reduces the harm to human bodies, and is an environment-friendly product.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A preparation method of a light-resistant and antibacterial color master batch is characterized by comprising the following steps: the method comprises the following steps:
step 1, preparing color paste;
step 2, adding the prepared color paste and the carrier resin into a mixing roll, heating, mixing and coloring, and adding a thickening agent into the mixture to form a mixed material;
step 3, adding polylactic acid, a dispersing agent, a stabilizing agent, a coupling agent and a flavoring agent into the mixture, stirring at a high speed by using a stirrer, and grinding by using a grinder after uniformly stirring to obtain a mixture;
and 4, smelting and co-extruding the mixture obtained in the step 3 by using an extruder, and performing cooling, granulating and drying treatment to obtain the light-resistant and antibacterial color master batch.
2. The method for preparing the light-resistant and antibacterial color master batch according to claim 1, wherein the method comprises the following steps: in the step 1, 20-30% of dye, 60-70% of polyester polyol, 0.5-1% of color-developing agent, 0.1-1% of defoaming agent and 1-5% of dispersing agent are added into a stirring machine to be uniformly stirred, then a grinding machine is used for grinding, and after the particle size reaches within 3 microns, the grinding is stopped to obtain the color paste.
3. The method for preparing the light-resistant and antibacterial color master batch according to claim 1, wherein the method comprises the following steps: in the step 2, the mixing temperature is 150-: 10 to 30 percent of color paste, 60 to 90 percent of carrier resin and 1 to 3 percent of thickening agent.
4. The method for preparing the light-resistant and antibacterial color master batch according to claim 3, wherein the method comprises the following steps: the formula of the mixed material comprises: 10 to 15 percent of color paste, 30 to 95 percent of carrier resin, 1 to 3 percent of thickening agent and 0.5 to 3 percent of ultraviolet absorbent.
5. The method for preparing the light-resistant and antibacterial color master batch according to claim 1, wherein the method comprises the following steps: in the step 3, 85 to 95 percent of mixed materials, 3 to 8 percent of polylactic acid, 0.5 to 2 percent of dispersing agent, 0.5 to 1 percent of stabilizing agent, 0.1 to 0.5 percent of coupling agent and 1 to 2 percent of flavoring agent are included, the rotating speed of a stirrer is 1500r/min, the stirring is carried out for 5 to 10min, and the grain diameter of the grinding particles is less than 300 nanometers.
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| CN202010298812.4A CN111303458A (en) | 2020-04-16 | 2020-04-16 | Preparation method of light-resistant and antibacterial color master batch |
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| CN202010298812.4A CN111303458A (en) | 2020-04-16 | 2020-04-16 | Preparation method of light-resistant and antibacterial color master batch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113637189A (en) * | 2021-08-18 | 2021-11-12 | 蔓德(常州)生物科技有限公司 | Preparation method of polylactic acid plant dye color master batch |
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Application publication date: 20200619 |
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