CN114044969A - Highlight antibacterial PP composite material and preparation method thereof - Google Patents
Highlight antibacterial PP composite material and preparation method thereof Download PDFInfo
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- CN114044969A CN114044969A CN202111263311.3A CN202111263311A CN114044969A CN 114044969 A CN114044969 A CN 114044969A CN 202111263311 A CN202111263311 A CN 202111263311A CN 114044969 A CN114044969 A CN 114044969A
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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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
- C08K3/02—Elements
- C08K3/08—Metals
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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
- C08K3/30—Sulfur-, selenium- or tellurium-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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Abstract
The invention discloses a highlight antibacterial PP composite material and a preparation method thereof, wherein the highlight antibacterial PP composite material is prepared from the following components in parts by weight: 100 parts of PP, 6-10 parts of modified barium sulfate and 0.1-0.5 part of antioxidant. The modified barium sulfate is prepared by modifying barium sulfate with N-2-aminoethyl-3-aminopropyltrimethoxysilane, changing the hydrophilicity of the barium sulfate into hydrophobicity, and then utilizing a reducing agent glucose to successfully prepare copper-loaded barium sulfate with good antibacterial property; meanwhile, the barium sulfate is modified by N-2-aminoethyl-3-aminopropyltrimethoxysilane, so that the dispersibility is good, and the glossiness of the PP composite material can be improved due to the high barium content and high whiteness in the barium sulfate. The PP composite material prepared by the invention has high optical performance, good antibacterial performance and excellent mechanical property, and the application range of the PP composite material is expanded.
Description
Technical Field
The invention belongs to the field of high polymer materials, and particularly relates to a highlight antibacterial PP composite material and a preparation method thereof.
Background
The polypropylene (PP) has the advantages of light weight, no toxicity, no odor, good chemical stability, small water absorption and the like. Although the overall properties of PP are excellent, there is a need in some fields for PP with higher gloss and better antimicrobial properties.
In view of the reason, the novel PP composite material with excellent high light performance and antibacterial performance is innovatively used for making up the defects of the existing PP composite material and expanding the application of the PP composite material.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a high-gloss antibacterial PP composite material and a preparation method thereof.
The purpose of the invention is realized by the following technical scheme:
the highlight antibacterial PP composite material is prepared from the following components in parts by weight:
PP 100 parts
6-10 parts of modified barium sulfate
0.1 to 0.5 portion of antioxidant
The modified barium sulfate is prepared by the following steps:
(1) dispersing barium sulfate in the dispersion liquid, adding N-2-aminoethyl-3-aminopropyltrimethoxysilane, and stirring and reacting at 40-60 ℃ for 6-8h to form a mixed liquid A; further, the dispersion liquid is a mixed liquid of absolute ethyl alcohol and deionized water; the mass ratio of the barium sulfate, the absolute ethyl alcohol, the deionized water and the N-2-aminoethyl-3-aminopropyltrimethoxysilane is (40-50): (60-80): (120-160): (0.1-0.3).
(2) Filtering the mixed solution A to obtain a solid matter, and washing and drying the solid matter in sequence to obtain the modified barium sulfate B.
(3) Mixing the modified barium sulfate B, copper salt, reducing agent glucose and deionized water, adding the mixture into a reaction vessel, placing the reaction vessel into a microwave reactor, and carrying out reduction reaction for 6-8h to obtain a mixed solution C. Further, the mass ratio of the modified barium sulfate B to the copper salt to the reducing agent glucose to the deionized water is (30-40): (10-16): (1-3): (100- > 160); the copper salt is copper nitrate, copper sulfate or copper phosphate; the power of the microwave reactor is 550-750W, and the microwave reactor has more accurate temperature and reaction process control effect than a conventional reactor, thereby ensuring the uniformity and consistency of the synthesis reaction and improving the experimental efficiency.
(4) And ultrasonically dispersing the mixed solution C for 4-6h, and sequentially performing centrifugal separation, filtration, washing and drying to obtain the modified barium sulfate.
Preferably, the antioxidant is at least one of tris (2, 4-di-tert-butyl) phenyl phosphite (abbreviated as Irganox168), tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester (abbreviated as Irganox1010) and 1, 3, 5-trimethyl-2, 4, 6- (3, 5-di-tert-butyl-4-hydroxybenzyl) benzene (abbreviated as Irganox 1330).
The invention also provides a preparation method of the highlight antibacterial PP composite material, which comprises the following steps:
(1) weighing 100 parts of PP, 6-10 parts of modified barium sulfate and 0.1-0.5 part of antioxidant, mixing and uniformly stirring to obtain a mixture;
(2) putting the mixture obtained in the step (1) into a hopper of a double-screw extruder for extrusion granulation to obtain a PP composite material; the double-screw extruder comprises six temperature zones which are arranged in sequence, and the temperature of each zone is respectively as follows: the temperature of the first area is 180-200 ℃, the temperature of the second area is 220-240 ℃, the temperature of the third area is 220-240 ℃, the temperature of the fourth area is 220-240 ℃, the temperature of the fifth area is 220-240 ℃, and the temperature of the sixth area is 220-240 ℃; the head temperature of the double-screw extruder is 220-240 ℃, and the screw rotating speed is 200-280 r/min.
Compared with the prior art, the invention has the beneficial effects that:
the barium sulfate in the invention has the following two functions: on one hand, the barium sulfate has high barium content and high whiteness, and can improve the glossiness of the PP composite material. On the other hand, the N-2-aminoethyl-3-aminopropyltrimethoxysilane is adopted to modify barium sulfate, the barium sulfate is changed from hydrophilicity to hydrophobicity, and then the reducing agent glucose is utilized to successfully prepare the copper-loaded barium sulfate with good antibacterial property, so that the antibacterial property of the PP composite material can be well improved.
The barium sulfate in the patent is modified by N-2-aminoethyl-3-aminopropyltrimethoxysilane, so that the barium sulfate has good dispersibility, and PP (polypropylene) is modified by the barium sulfate, so that higher glossiness can be obtained; the PP composite material prepared by the invention has high optical performance and good antibacterial performance, and the application range of the PP composite material is expanded.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description of specific embodiments. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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.
The raw materials used in the following examples are as follows:
PP (model EP649N), korea dalwood; barium sulfate, porch, blue chemical limited; absolute ethanol, wuhanxiang combined yi chemical technology ltd; cupric nitrate, Henan Parashida chemical; glucose, jonan osly chemical ltd; n-2-aminoethyl-3-aminopropyltrimethoxysilane, Nanjing Aureox chemical industry; deionized water, Shanghai Joint test chemical reagents, Inc.; antioxidants (type Irganox168, Irganox1010, Irganox1330), Pasteur, Germany.
In addition, the preparation processes in the following examples are conventional means in the prior art unless otherwise specified, and therefore, detailed descriptions thereof are omitted; the parts in the following embodiments are all parts by weight. The following examples and comparative antibacterial rate tests were conducted 24 hours after inoculation time using (50 mm. + -.2 mm). times. (2 mm. + -.0.1 mm) specification test pieces. Tensile strength test tensile bars were used with a model of (170.0 ± 5.0) mm (10.0 ± 0.5) mm (4.0 ± 0.2) mm, and a tensile rate of 50 mm/min; the model of a cantilever beam notch impact strength spline used for testing the cantilever beam notch impact strength is as follows: (80.0 +/-5.0) mm (10.0 +/-0.5) mm (4.0 +/-0.2) mm, machining the notch, and making the notch have depth of 2.0 +/-0.2) mm.
Preparation example 1
(1) Weighing 400g of barium sulfate, 600g of absolute ethyl alcohol, 1.2kg of deionized water and 1g of N-2-aminoethyl-3-aminopropyltrimethoxysilane, adding the materials into a reaction vessel, and stirring and reacting for 6 hours at 40 ℃ to form a mixed solution A.
(2) And filtering, washing and drying the mixed solution A to obtain modified barium sulfate B.
(3) Weighing 300g of modified barium sulfate B, 100g of copper nitrate, 10g of reducing agent glucose and 1.0kg of deionized water, sequentially adding the materials into a reaction vessel, placing the reaction vessel into a microwave reactor with the power of 550W, and carrying out reduction reaction for 6 hours to obtain a mixed solution C.
(4) And ultrasonically dispersing the mixed solution C for 4 hours, separating by using a centrifugal machine, filtering, washing and drying to obtain the modified barium sulfate M1.
Example 1
(1) Weighing 100 parts of PP, 6 parts of modified barium sulfate M1 and 0.1 part of Irganox168, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material P1.
Wherein the temperature and the screw rotating speed of each area of the double-screw extruder are respectively as follows: the temperature of the first zone is 180 ℃, the temperature of the second zone is 220 ℃, the temperature of the third zone is 220 ℃, the temperature of the fourth zone is 220 ℃, the temperature of the fifth zone is 220 ℃, the temperature of the sixth zone is 220 ℃, the temperature of the machine head is 220 ℃, and the rotating speed of the screw is 200 r/min.
Preparation example 2
(1) Weighing 500g of barium sulfate, 800g of absolute ethyl alcohol, 1.6kg of deionized water and 3g of N-2-aminoethyl-3-aminopropyltrimethoxysilane, adding the materials into a reaction vessel, and stirring and reacting for 8 hours at 60 ℃ to form a mixed solution A.
(2) And filtering, washing and drying the mixed solution A to obtain modified barium sulfate B.
(3) Weighing 400g of modified barium sulfate B, 160g of copper nitrate, 30g of reducing agent glucose and 1.6kg of deionized water, sequentially adding the modified barium sulfate B, the copper nitrate, the reducing agent glucose and the deionized water into a reaction vessel, placing the reaction vessel into a microwave reactor with the power of 750W, and carrying out reduction reaction for 8 hours to obtain a mixed solution C.
(4) And ultrasonically dispersing the mixed solution C for 6h, separating by using a centrifugal machine, filtering, washing and drying to obtain the modified barium sulfate M2.
Example 2
(1) Weighing 100 parts of PP, 10 parts of modified barium sulfate M2, 0.1 part of Irganox168, 0.2 part of Irganox1010 and 0.2 part of Irganox1330, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material P2.
Wherein the temperature and the screw rotating speed of each area of the double-screw extruder are respectively as follows: the temperature of the first zone is 200 ℃, the temperature of the second zone is 240 ℃, the temperature of the third zone is 240 ℃, the temperature of the fourth zone is 240 ℃, the temperature of the fifth zone is 240 ℃, the temperature of the sixth zone is 240 ℃, the temperature of the machine head is 240 ℃ and the screw rotation speed is 280 r/min.
Preparation example 3
(1) 450g of barium sulfate, 700g of absolute ethyl alcohol, 1.4kg of deionized water and 2g of N-2-aminoethyl-3-aminopropyltrimethoxysilane are weighed and added into a reaction vessel, and the mixture is stirred and reacted for 7 hours at the temperature of 50 ℃ to form mixed liquid A.
(2) And filtering, washing and drying the mixed solution A to obtain modified barium sulfate B.
(3) 350g of modified barium sulfate B, 130g of copper nitrate, 20g of reducing agent glucose and 1.3kg of deionized water are weighed, added into a reaction vessel in sequence, the reaction vessel is placed into a microwave reactor with the power of 700W, and reduction reaction is carried out for 7 hours to obtain mixed liquor C.
(4) And ultrasonically dispersing the mixed solution C for 5 hours, separating by using a centrifugal machine, filtering, washing and drying to obtain the modified barium sulfate M3.
Example 3
(1) Weighing 100 parts of PP, 8 parts of modified barium sulfate M3, 0.1 part of Irganox168 and 0.2 part of Irganox1010, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material P3.
Wherein the temperature and the screw rotating speed of each area of the double-screw extruder are respectively as follows: the temperature of the first zone is 190 ℃, the temperature of the second zone is 230 ℃, the temperature of the third zone is 230 ℃, the temperature of the fourth zone is 230 ℃, the temperature of the fifth zone is 230 ℃, the temperature of the sixth zone is 230 ℃, the temperature of the machine head is 230 ℃ and the rotating speed of the screw is 240 r/min.
Preparation example 4
(1) 480g of barium sulfate, 780g of absolute ethyl alcohol, 1.55kg of deionized water and 3g of N-2-aminoethyl-3-aminopropyltrimethoxysilane are weighed and added into a reaction vessel, and the mixture is stirred and reacted for 7 hours at the temperature of 45 ℃ to form mixed liquid A.
(2) And filtering, washing and drying the mixed solution A to obtain modified barium sulfate B.
(3) 380g of modified barium sulfate B, 155g of copper nitrate, 28g of reducing agent glucose and 1.5kg of deionized water are weighed, added into a reaction vessel in sequence, the reaction vessel is placed into a microwave reactor with the power of 650W, and reduction reaction is carried out for 7 hours to obtain mixed liquor C.
(4) And ultrasonically dispersing the mixed solution C for 6h, separating by using a centrifugal machine, filtering, washing and drying to obtain the modified barium sulfate M4.
Example 4
(1) Weighing 100 parts of PP, 9 parts of modified barium sulfate M4, 0.1 part of Irganox1010 and 0.2 part of Irganox1330, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material P4.
Wherein the temperature and the screw rotating speed of each area of the double-screw extruder are respectively as follows: the temperature of the first zone is 195 ℃, the temperature of the second zone is 235 ℃, the temperature of the third zone is 235 ℃, the temperature of the fourth zone is 235 ℃, the temperature of the fifth zone is 235 ℃, the temperature of the sixth zone is 235 ℃, the temperature of the machine head is 235 ℃, and the rotating speed of the screw is 255 r/min.
Preparation example 5
(1) 460g of barium sulfate, 660g of absolute ethyl alcohol, 1.35kg of deionized water and 2g of N-2-aminoethyl-3-aminopropyltrimethoxysilane are weighed and added into a reaction vessel, and the mixture is stirred and reacted for 7 hours at the temperature of 55 ℃ to form a mixed solution A.
(2) And filtering, washing and drying the mixed solution A to obtain modified barium sulfate B.
(3) Weighing 320g of modified barium sulfate B, 140g of copper nitrate, 25g of reducing agent glucose and 1.35kg of deionized water, sequentially adding the modified barium sulfate B, the copper nitrate, the reducing agent glucose and the deionized water into a reaction vessel, placing the reaction vessel into a microwave reactor with the power of 650W, and carrying out reduction reaction for 6 hours to obtain a mixed solution C.
(4) And ultrasonically dispersing the mixed solution C for 5 hours, separating by using a centrifugal machine, filtering, washing and drying to obtain the modified barium sulfate M5.
Example 5
(1) Weighing 100 parts of PP, 7 parts of modified barium sulfate M5, 0.2 part of Irganox1010 and 0.2 part of Irganox1330, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material P5.
Wherein the temperature and the screw rotating speed of each area of the double-screw extruder are respectively as follows: the temperature of the first zone is 200 ℃, the temperature of the second zone is 225 ℃, the temperature of the third zone is 225 ℃, the temperature of the fourth zone is 225 ℃, the temperature of the fifth zone is 225 ℃, the temperature of the sixth zone is 225 ℃, the temperature of the machine head is 225 ℃ and the screw rotating speed is 270 r/min.
Comparative example 1
(1) Weighing 100 parts of PP, 7 parts of barium sulfate, 0.2 part of Irganox1010 and 0.2 part of Irganox1330, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material D1.
Wherein the temperature and the screw rotating speed of each area of the double-screw extruder are respectively as follows: the temperature of the first zone is 200 ℃, the temperature of the second zone is 225 ℃, the temperature of the third zone is 225 ℃, the temperature of the fourth zone is 225 ℃, the temperature of the fifth zone is 225 ℃, the temperature of the sixth zone is 225 ℃, the temperature of the machine head is 225 ℃ and the screw rotating speed is 270 r/min.
The performance of the PP composite materials prepared in the above examples 1 to 5 and comparative example 1 was tested, and the test results are shown in table 1 below.
TABLE 1 Performance test results
As can be seen from the table, the antibacterial property and the high gloss property of the PP composite material of the invention are better than those of the PP composite material of the comparative example 1, which shows that the PP composite material of the invention has better antibacterial property and higher gloss than the common PP material. In addition, the PP composite material prepared by the invention has excellent mechanical properties, and compared with the common PP material, the PP composite material prepared by the invention has higher tensile strength and cantilever beam notch impact strength.
The PP composite material with excellent antibacterial performance and high light performance is prepared, the defects of the existing material are overcome, the application field of the PP composite material is greatly expanded, and the PP composite material has important significance.
The above disclosure is only for the purpose of describing several embodiments of the present application, but the present application is not limited thereto, and any variations that can be considered by those skilled in the art are intended to fall within the scope of the present application.
Claims (7)
1. A highlight antibacterial PP composite material is characterized in that: the highlight antibacterial PP composite material is prepared from the following components in parts by weight:
100 parts of PP (polypropylene), namely,
6 to 10 parts of modified barium sulfate,
0.1 to 0.5 portion of antioxidant,
the modified barium sulfate is prepared by the following steps:
(1) dispersing barium sulfate in the dispersion liquid, adding N-2-aminoethyl-3-aminopropyltrimethoxysilane, and mixing and stirring to form a mixed liquid A;
(2) filtering the mixed solution A to obtain a solid matter, and washing and drying the solid matter in sequence to obtain modified barium sulfate B;
(3) mixing modified barium sulfate B, copper salt, reducing agent glucose and deionized water, adding the mixture into a reaction vessel, placing the reaction vessel into a microwave reactor, and carrying out reduction reaction for 6-8h to obtain a mixed solution C;
(4) and ultrasonically dispersing the mixed solution C for 4-6h, and sequentially performing centrifugal separation, filtration, washing and drying to obtain the modified barium sulfate.
2. The high gloss antimicrobial PP composite material according to claim 1, wherein: in the step (1), the dispersion liquid is a mixed liquid of absolute ethyl alcohol and deionized water; the mass ratio of the barium sulfate, the absolute ethyl alcohol, the deionized water and the N-2-aminoethyl-3-aminopropyltrimethoxysilane is (40-50): (60-80): (120-160): (0.1-0.3); the mixing and stirring conditions are as follows: stirring and reacting for 6-8h at 40-60 ℃.
3. The high gloss antimicrobial PP composite material according to claim 1, wherein: in the step (3), the mass ratio of the modified barium sulfate B, the copper salt, the reducing agent glucose and the deionized water is (30-40): (10-16): (1-3): (100-160).
4. The high gloss antimicrobial PP composite material according to claim 1, wherein: in the step (3), the copper salt is copper nitrate, copper sulfate or copper phosphate; the power of the microwave reactor is 550-750W.
5. The high gloss antimicrobial PP composite material according to claim 1, wherein: the antioxidant is at least one of tris (2, 4-di-tert-butyl) phenyl phosphite, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and 1, 3, 5-trimethyl-2, 4, 6- (3, 5-di-tert-butyl-4-hydroxybenzyl) benzene.
6. The process for preparing a high gloss antibacterial PP composite material according to any one of claims 1 to 5, wherein: the method comprises the following steps:
(1) weighing 100 parts of PP, 6-10 parts of modified barium sulfate and 0.1-0.5 part of antioxidant, mixing and uniformly stirring to obtain a mixture;
(2) and (2) extruding and granulating the mixture obtained in the step (1) to obtain the PP composite material.
7. The preparation method of the high gloss antibacterial PP composite material according to claim 6, characterized in that: the step (2) is specifically as follows: putting the mixture obtained in the step (1) into a hopper of a double-screw extruder for extrusion granulation, wherein the double-screw extruder comprises six temperature zones which are sequentially arranged, and the temperature of each zone is as follows: the temperature of the first area is 180-200 ℃, the temperature of the second area is 220-240 ℃, the temperature of the third area is 220-240 ℃, the temperature of the fourth area is 220-240 ℃, the temperature of the fifth area is 220-240 ℃, and the temperature of the sixth area is 220-240 ℃; the head temperature of the double-screw extruder is 220-240 ℃, and the screw rotating speed is 200-280 r/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116199913A (en) * | 2023-03-15 | 2023-06-02 | 大韩高性能材料(广东)有限公司 | ABS (Acrylonitrile butadiene styrene) high-light-color master batch and preparation method thereof |
| CN117264501A (en) * | 2023-11-21 | 2023-12-22 | 佛山市南海嘉多彩粉末涂料有限公司 | Antibacterial powder coating and preparation method thereof |
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| CN110760125A (en) * | 2018-07-27 | 2020-02-07 | 合肥杰事杰新材料股份有限公司 | High-gloss antibacterial polypropylene composite material replacing ASA and preparation method thereof |
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| CN110760125A (en) * | 2018-07-27 | 2020-02-07 | 合肥杰事杰新材料股份有限公司 | High-gloss antibacterial polypropylene composite material replacing ASA and preparation method thereof |
| CN110746654A (en) * | 2019-11-12 | 2020-02-04 | 华东理工大学 | Halloysite-containing flame-retardant antibacterial compound and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116199913A (en) * | 2023-03-15 | 2023-06-02 | 大韩高性能材料(广东)有限公司 | ABS (Acrylonitrile butadiene styrene) high-light-color master batch and preparation method thereof |
| CN116199913B (en) * | 2023-03-15 | 2023-10-20 | 大韩高性能材料(广东)有限公司 | ABS (Acrylonitrile butadiene styrene) high-light-color master batch and preparation method thereof |
| CN117264501A (en) * | 2023-11-21 | 2023-12-22 | 佛山市南海嘉多彩粉末涂料有限公司 | Antibacterial powder coating and preparation method thereof |
| CN117264501B (en) * | 2023-11-21 | 2024-01-30 | 佛山市南海嘉多彩粉末涂料有限公司 | Antibacterial powder coating and preparation method thereof |
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