CN110776688A - Antioxidant and anti-UV color master batch and preparation method thereof - Google Patents
Antioxidant and anti-UV color master batch and preparation method thereof Download PDFInfo
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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
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives 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
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08K3/34—Silicon-containing compounds
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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
- C08K5/13—Phenols; Phenolates
- C08K5/132—Phenols containing keto groups, e.g. benzophenones
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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
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
Abstract
The invention discloses an antioxidant and UV-resistant color master batch which comprises the following components in parts by weight: 35-50 parts of high-density polyethylene, 15-30 parts of low-density polyethylene, 10-20 parts of ultraviolet resistant agent, 2-10 parts of antioxidant, 2-8 parts of dispersing agent and 2-8 parts of toner. The preparation method of the antioxidant UV-resistant color master batch comprises the following steps: s1, primary mixing: mixing high-density polyethylene resin, low-density polyethylene resin and a dispersing agent, and heating to the temperature of 200-250 ℃ while stirring to obtain a mixture A; s2, secondary mixing: adding toner into the mixture A in the step S1, uniformly stirring, and cooling to 160-170 ℃ to obtain a mixture B; s3, mixing materials for three times: adding an anti-ultraviolet agent and an antioxidant into the mixture obtained in the step S2, and uniformly stirring to obtain a mixture C, S4, extruding and granulating: and (4) putting the mixture C obtained in the step S3 into an extrusion granulator, and carrying out extrusion granulation to obtain the antioxidant and UV resistant color master batch. The color master batch prepared by the invention has the technical effect of enhancing the oxidation resistance and ultraviolet resistance of plastic products.
Description
Technical Field
The invention relates to the technical field of plastic production, in particular to an antioxidant and UV-resistant color master batch and a preparation method thereof.
Background
The color master batch is also called master batch and plastic master batch, and is a plastic colorant prepared by well dispersing pigment or additive with high proportion and thermoplastic resin. Compared with the method of directly adding the pigment, the method has the advantages that the dispersibility and the tinting strength of the pigment can be improved by adopting the color master batch mode in the processing process of the plastic product, so that the pigment particles after being heated and melted can be better dispersed in the plastic product, and the color stability of the plastic product is improved.
The existing color master batch has poor ultraviolet resistance and oxidation resistance, cannot ensure the stability of plastic products in processing and outdoor use, and generally reduces the mechanical property of the plastic products, thereby reducing the design and service life of the plastic products.
Disclosure of Invention
The invention aims to provide an antioxidant and UV-resistant color master batch capable of enhancing the antioxidant and UV-resistant performances of a plastic product.
The purpose of the invention is realized by the following technical scheme:
an antioxidant and UV resistant color master batch comprises the following components in parts by weight:
further setting the following steps: the antioxidant and UV-resistant color master batch comprises the following components in parts by weight:
by adopting the technical scheme, the master batch adopts the high-density polyethylene and the low-density polyethylene as main materials, the high-density polyethylene has good heat resistance and cold resistance, good chemical stability, higher rigidity and toughness and good mechanical strength, but the ageing resistance is poor, and the environmental cracking resistance is inferior to that of the low-density polyethylene. The hardness, tensile strength, creep property and the like of the low-density polyethylene are different from those of the high-density polyethylene, and the high-density polyethylene and the low-density polyethylene are matched, so that the advantages and the disadvantages can be made up, and the color master batch has more balanced and excellent use performance.
The anti-ultraviolet agent endows the color master batch with anti-ultraviolet performance, so that the anti-ultraviolet performance of the plastic can be improved when the color master batch is added into the plastic, and the anti-oxidant endows the color master batch with anti-oxidant performance, so that the anti-oxidant performance of the plastic can be improved when the color master batch is added into the plastic.
Further setting the following steps: the anti-ultraviolet agent is prepared by compounding UV-531 and UV-2908 in a weight ratio of (3-5) to 1.
By adopting the technical scheme, the UV-531 can strongly absorb ultraviolet rays, particularly ultraviolet rays with the wavelength of 300-375nm, has excellent activity, good miscibility with high polymer and excellent heat resistance, and does not cause the quality of plastic to be deteriorated or volatilized in the plastic processing process. UV-2908 is an excellent light stabilizer, has low volatility, small colorability, good chemical stability and acid and alkali resistance, and can effectively enhance the weather resistance of the color master batch and the plastic. The UV-531 and UV-2908 are matched for use, so that the color master batch has the excellent performances of the UV-531 and UV-2908, and the performance enhancing effect on plastic cement is better.
Further setting the following steps: the antioxidant comprises the following components in percentage by weight (2-3): 1 and 1010 and 1076.
By adopting the technical scheme, the antioxidant 1010 is a macromolecular multifunctional hindered phenol antioxidant, has the advantages of no pollution, no coloring, small volatility, good extraction resistance and the like, has excellent antioxidant performance on polyethylene resin, and can effectively prolong the service life of products. The antioxidant 1076 is a non-polluting non-toxic hindered phenol antioxidant which is stable to light, not prone to discolor, not polluted, not colored, low in volatility, resistant to water extraction, good in compatibility, high in antioxidant efficiency and capable of effectively enhancing the antioxidant performance of plastic products.
Further setting the following steps: the dispersing agent is compounded by polyethylene wax, diffusion oil and talcum powder in a weight ratio of 1:1: 4.
By adopting the technical scheme, the polyethylene wax, the diffusion oil and the talcum powder have good dispersion and lubrication performance, the dispersion uniformity of the particle raw material is improved, and the property stability of the color master batch is improved. In addition, the talcum powder can be added into the color master batch to play a role in strengthening, modifying and filling the color master batch, so that the plastic product added with the color master batch has a strengthening effect.
The second purpose of the invention is to provide a preparation method of the antioxidant UV-resistant color master batch, and the second purpose of the invention is realized by the following technical scheme:
a preparation method of an antioxidant UV resistant color master batch comprises the following steps:
s1, primary mixing: mixing high-density polyethylene resin, low-density polyethylene resin and a dispersing agent, and heating to the temperature of 200-250 ℃ while stirring to obtain a mixture A;
s2, secondary mixing: adding toner into the mixture A in the step S1, uniformly stirring, and cooling to 160-170 ℃ to obtain a mixture B;
s3, mixing materials for three times: adding an anti-ultraviolet agent and an antioxidant into the mixture obtained in the step S2, and uniformly stirring to obtain a mixture C;
s4, extruding and granulating: and (4) putting the mixture C obtained in the step S3 into an extrusion granulator, and carrying out extrusion granulation to obtain the antioxidant and UV resistant color master batch.
By adopting the technical scheme, the main materials of the color master batch, namely the high-density polyethylene and the low-density polyethylene, are mixed firstly in the step S1, and the dispersing agent is added, stirred and heated to the temperature of 200-250 ℃, so that the two polyethylenes are uniformly mixed and completely melted, the uniformity among materials is improved, and the uniform stability of the properties of the color master batch is further improved. In the step S2, the toner is added into the mixture A obtained in the step S1 and is uniformly stirred, so that the color master batch is uniformly colored, and the temperature is reduced to 160-170 ℃ because the two polyethylenes are completely melted and cannot be solidified in the temperature range, thereby reducing the heating energy consumption. And in the step S3, adding the ultraviolet resistant agent and the antioxidant into the mixture B obtained in the step S2, fully and uniformly mixing the ultraviolet resistant agent and the antioxidant with the mixture B to form a mixture C, and endowing the color master batch with ultraviolet resistant performance and antioxidant performance. And in the step S4, performing extrusion granulation on the mixture C in the step S3 to obtain a finished product color master batch. The process steps integrate the physical and chemical properties of the components in the formula, and perform feeding and reaction in a proper sequence, so that the components can fully exert the performance advantages, and a better performance enhancing effect on the color master batch is realized.
Further setting the following steps: in the step S1, the stirring speed v1 is 50-70r/min, and the stirring time t1 is 40-60 min.
By adopting the technical scheme, in the step S1, the high-density polyethylene, the low-density polyethylene and the dispersing agent are slowly stirred for 40-60min at the speed of 50-70r/min, so that the granular materials are heated more uniformly in the heating process, the materials are not easy to overheat or are not heated enough to cause the caking, and the possibility of the defective color master batches is reduced.
Further setting the following steps: in the step S2, the stirring speed v2 is 300-500r/min, and the stirring time t2 is 10-20 min.
By adopting the technical scheme, in the step S2, the toner is added into the molten mixture A prepared in the step S1, and the mixture is rapidly stirred for 10-20min at the speed of 300-500r/min, so that the toner can be rapidly and uniformly dissolved into the molten mixture A, and the color of the color master batch is more uniform.
Further setting the following steps: in the step S3, the stirring speed v3 is 80-90r/min, and the stirring time t3 is 25-35 min.
By adopting the technical scheme, in the step S3, the anti-ultraviolet agent and the antioxidant are added into the mixture B prepared in the step S2, and the anti-ultraviolet agent and the antioxidant are added in the last stage, so that the phenomenon that the anti-ultraviolet agent or/and the antioxidant react at the temperature of 200-250 ℃ to cause the loss of the anti-ultraviolet performance or/and the anti-oxidation performance can be avoided, and the anti-ultraviolet performance and the anti-oxidation performance can be better endowed to the color master batch and the plastic product.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) the main materials of the color master batch are matched by adopting high-density polyethylene and low-density polyethylene, so that the color master batch can simultaneously have excellent physicochemical properties of the two polyethylenes, namely, the color master batch has good weather resistance, chemical stability, mechanical strength, hardness, tensile strength, creep property and other properties, and the color master batch has more balanced and excellent use performance;
(2) the anti-ultraviolet agent compounded by UV-531 and UV-2908 and the antioxidant compounded by the antioxidant 1010 and the antioxidant 1076 are added in the formula, so that the color master batch has good anti-ultraviolet performance and oxidation resistance, and the color master batch can be applied to plastic products and can also improve the anti-ultraviolet performance and the oxidation resistance of the plastic products;
(3) in the preparation method of the color master batch, different raw material components are respectively fed in different steps and mixed at different temperatures, so that the materials are mixed more uniformly and thoroughly, and meanwhile, the ultraviolet-resistant agent and the antioxidant are protected, so that the ultraviolet-resistant performance and the antioxidant performance of the color master batch are stronger and more stable.
Detailed Description
The antioxidant and UV resistant color master batch provided by the embodiment of the invention comprises the components shown in the table 1 in parts by weight (1 part by weight is 1 kg).
TABLE 1 EXAMPLES 1-6 the content of each component (kg)
Wherein the anti-ultraviolet agent comprises the following components in percentage by weight (3-5):1 and UV-531 and UV-2908.
The antioxidant comprises the following components in percentage by weight (2-3): 1 and 1010 and 1076.
The dispersing agent is compounded by polyethylene wax, diffusion oil and talcum powder according to the weight ratio of 1:1: 4.
The preparation method of the antioxidant UV-resistant color master batch comprises the following steps:
s1, primary mixing: mixing high-density polyethylene resin, low-density polyethylene resin and a dispersing agent, and heating to the temperature of 200-250 ℃ while stirring to obtain a mixture A, wherein the stirring speed is v1, and the stirring time is t 1;
s2, secondary mixing: adding toner into the mixture A in the step S1, uniformly stirring, and cooling to 160-170 ℃ to obtain a mixture B, wherein the stirring speed is v2, and the stirring time is t 2;
s3, mixing materials for three times: adding an anti-ultraviolet agent and an antioxidant into the mixture obtained in the step S2, and uniformly stirring to obtain a mixture C, wherein the stirring speed is v3, and the stirring time is t 3;
s4, extruding and granulating: and (4) putting the mixture C obtained in the step S3 into an extrusion granulator, and carrying out extrusion granulation to obtain the antioxidant and UV resistant color master batch. Wherein, the process parameters in the steps are shown in table 2.
Table 2 table of process parameters for examples 1-6
The present invention is further illustrated by the following specific examples.
Example 1: an antioxidant and UV resistant color master batch is prepared by adopting the formula components shown in the table 1, the preparation method and corresponding process parameters.
Wherein, the weight ratio of the ultraviolet resistant agent is 3: 1 and UV-531 and UV-2908.
The antioxidant is prepared from the following components in percentage by weight of 2: 1 and 1010 and 1076.
Example 2: an antioxidant and UV resistant color master batch is prepared by adopting the formula components shown in the table 1, the preparation method and corresponding process parameters.
Wherein, the weight ratio of the ultraviolet resistant agent is 3.4: 1 and UV-531 and UV-2908.
The antioxidant is prepared from the following components in a weight ratio of 2.2: 1 and 1010 and 1076.
Example 3: an antioxidant and UV resistant color master batch is prepared by adopting the formula components shown in the table 1, the preparation method and corresponding process parameters.
Wherein, the weight ratio of the ultraviolet resistant agent is 3.8: 1 and UV-531 and UV-2908.
The antioxidant is prepared from the following components in a weight ratio of 2.4: 1 and 1010 and 1076.
Example 4: an antioxidant and UV resistant color master batch is prepared by adopting the formula components shown in the table 1, the preparation method and corresponding process parameters.
Wherein, the weight ratio of the ultraviolet resistant agent is 4.2: 1 and UV-531 and UV-2908.
The antioxidant is prepared from the following components in a weight ratio of 2.6: 1 and 1010 and 1076.
Example 5: an antioxidant and UV resistant color master batch is prepared by adopting the formula components shown in the table 1, the preparation method and corresponding process parameters.
Wherein, the weight ratio of the ultraviolet resistant agent is 4.6: 1 and UV-531 and UV-2908.
The antioxidant is prepared from the following components in a weight ratio of 2.8: 1 and 1010 and 1076.
Example 6: an antioxidant and UV resistant color master batch is prepared by adopting the formula components shown in the table 1, the preparation method and corresponding process parameters.
Wherein, the weight ratio of the ultraviolet resistant agent is 5: 1 and UV-531 and UV-2908.
The antioxidant is prepared from the following components in percentage by weight of 3: 1 and 1010 and 1076.
Example 7: this example is different from example 1 in that UV-328 is used as the ultraviolet inhibitor and the like.
Example 8: this example differs from example 1 in that the antioxidant 168 is used as the antioxidant and the like in total.
Example 9: this example differs from example 1 in that the dispersant and the like were replaced by paraffin in their entirety.
Comparative example 1: the comparative example differs from example 1 in that the high density polyethylene in the comparative example is replaced by low density polyethylene of all equal mass.
Comparative example 2: this comparative example differs from example 1 in that the low density polyethylene in this comparative example was replaced by a high density polyethylene in all equal amounts.
Comparative example 3: the difference between the comparative example and the example 1 is that in the preparation method of the antioxidant and UV resistant color master batch of the comparative example, the high density polyethylene, the low density polyethylene, the anti-ultraviolet agent, the antioxidant, the dispersing agent and the toner are all mixed at one time, stirred to a molten state at 250 ℃, and then extruded and granulated.
And (3) performance testing:
(1) the heat resistance temperature, tensile strength and 24h percent failure of the color concentrates prepared in examples 1-9 and comparative examples 1-3 were measured according to GB 1035-.
TABLE 3 Heat temperature resistance, tensile strength, percent 24h failure test data Table
(2) The color master batches prepared in the examples 1-9 and the comparative examples 1-3 are taken, and the color master batches are placed under the conditions that the wavelength is 315-400nm and the illumination intensity is 6000 mu w/cm
2The elongation at break retention of various color masterbatches after being exposed for 30 days is measured according to GB/T1040 'determination of tensile property of plastics' after being exposed for 30 days, and the test data is shown in Table 4.
TABLE 4 elongation at break retention test data table after 30d UV exposure
The implementation principle and the beneficial effects of the embodiment are as follows: the high-density polyethylene and the low-density polyethylene are matched as the main materials of the color master batch, so that the color master batch has the performance advantages of two polyethylenes, and has more balanced and excellent service performance. The anti-ultraviolet agent compounded by UV-531 and UV-2908 and the antioxidant compounded by the antioxidant 1010 and the antioxidant 1076 are added in the formula, so that the plastic product of the color master batch applied to the color master batch has good anti-ultraviolet performance and oxidation resistance. In the preparation method of the color master batch, different raw material components are respectively fed in different steps and mixed at different temperatures, so that the materials are mixed more uniformly and thoroughly, and meanwhile, the ultraviolet-resistant agent and the antioxidant are protected, so that the ultraviolet-resistant performance and the antioxidant performance of the color master batch are stronger and more stable.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The antioxidant and UV-resistant color master batch is characterized by comprising the following components in parts by weight:
35-50 parts of high-density polyethylene;
15-30 parts of low-density polyethylene;
10-20 parts of an anti-ultraviolet agent;
2-10 parts of an antioxidant;
2-8 parts of a dispersing agent;
2-8 parts of toner.
2. The antioxidant UV resistant color masterbatch according to claim 1, wherein the antioxidant UV resistant color masterbatch comprises the following components in parts by weight:
40-45 parts of high-density polyethylene;
20-25 parts of low-density polyethylene;
12-17 parts of an anti-ultraviolet agent;
3-8 parts of an antioxidant;
3-6 parts of a dispersing agent;
2-5 parts of toner.
3. The antioxidant UV resistant color masterbatch according to claim 1, wherein: the anti-ultraviolet agent is prepared by compounding UV-531 and UV-2908 in a weight ratio of (3-5) to 1.
4. The antioxidant UV resistant color masterbatch according to claim 1, wherein: the antioxidant comprises the following components in percentage by weight (2-3): 1 and 1010 and 1076.
5. The antioxidant UV resistant color masterbatch according to claim 1, wherein: the dispersing agent is compounded by polyethylene wax, diffusion oil and talcum powder in a weight ratio of 1:1: 4.
6. The process for preparing an antioxidant UV resistant color masterbatch according to claims 1 to 5, comprising the steps of:
s1, primary mixing: mixing high-density polyethylene resin, low-density polyethylene resin and a dispersing agent, and heating to the temperature of 200-250 ℃ while stirring to obtain a mixture A;
s2, secondary mixing: adding toner into the mixture A in the step S1, uniformly stirring, and cooling to 160-170 ℃ to obtain a mixture B;
s3, mixing materials for three times: adding an anti-ultraviolet agent and an antioxidant into the mixture obtained in the step S2, and uniformly stirring to obtain a mixture C;
s4, extruding and granulating: and (4) putting the mixture C obtained in the step S3 into an extrusion granulator, and carrying out extrusion granulation to obtain the antioxidant and UV resistant color master batch.
7. The preparation method of the antioxidant UV resistant color master batch according to claim 6, characterized in that: in the step S1, the stirring speed v1 is 50-70r/min, and the stirring time t1 is 40-60 min.
8. The preparation method of the antioxidant UV resistant color master batch according to claim 6, characterized in that: in the step S2, the stirring speed v2 is 300-500r/min, and the stirring time t2 is 10-20 min.
9. The preparation method of the antioxidant UV resistant color master batch according to claim 6, characterized in that: in the step S3, the stirring speed v3 is 80-90r/min, and the stirring time t3 is 25-35 min.
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| CN111621074A (en) * | 2020-06-03 | 2020-09-04 | 大韩化工工业高性能材料(东莞)有限公司 | anti-UV master batch and preparation method thereof |
| CN112409666A (en) * | 2020-09-29 | 2021-02-26 | 扬州龙彩塑料色母粒有限公司 | Ultraviolet-resistant polyethylene color master batch and preparation method thereof |
| WO2024027722A1 (en) * | 2022-08-05 | 2024-02-08 | 天津利安隆新材料股份有限公司 | Auxiliary masterbatch and use thereof |
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| CN108047537A (en) * | 2017-12-26 | 2018-05-18 | 上海邦中高分子材料有限公司 | It is a kind of to be used to obstruct coupling anti-oxidative special color master batch of bottle and preparation method thereof |
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| CN105419039A (en) * | 2015-12-23 | 2016-03-23 | 民勤县邦德贸易有限公司 | Red mulching film |
| CN108047537A (en) * | 2017-12-26 | 2018-05-18 | 上海邦中高分子材料有限公司 | It is a kind of to be used to obstruct coupling anti-oxidative special color master batch of bottle and preparation method thereof |
| CN109929264A (en) * | 2019-03-25 | 2019-06-25 | 山东诺森塑胶有限公司 | A kind of modified Masterbatch and preparation method thereof |
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| CN111621074A (en) * | 2020-06-03 | 2020-09-04 | 大韩化工工业高性能材料(东莞)有限公司 | anti-UV master batch and preparation method thereof |
| CN112409666A (en) * | 2020-09-29 | 2021-02-26 | 扬州龙彩塑料色母粒有限公司 | Ultraviolet-resistant polyethylene color master batch and preparation method thereof |
| WO2024027722A1 (en) * | 2022-08-05 | 2024-02-08 | 天津利安隆新材料股份有限公司 | Auxiliary masterbatch and use thereof |
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