CN102344607A - Hardened antibiotic polypropylene material and preparation method thereof - Google Patents
Hardened antibiotic polypropylene material and preparation method thereof Download PDFInfo
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- CN102344607A CN102344607A CN2011101439915A CN201110143991A CN102344607A CN 102344607 A CN102344607 A CN 102344607A CN 2011101439915 A CN2011101439915 A CN 2011101439915A CN 201110143991 A CN201110143991 A CN 201110143991A CN 102344607 A CN102344607 A CN 102344607A
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- polypropylene material
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- -1 polypropylene Polymers 0.000 title claims abstract description 48
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 46
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 230000003115 biocidal effect Effects 0.000 title abstract description 10
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 5
- 230000000844 anti-bacterial effect Effects 0.000 claims description 37
- 238000005303 weighing Methods 0.000 claims description 14
- 239000003112 inhibitor Substances 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000000845 anti-microbial effect Effects 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 150000002989 phenols Chemical class 0.000 claims description 4
- 150000008301 phosphite esters Chemical class 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000536 complexating effect Effects 0.000 abstract 1
- 241000894006 Bacteria Species 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 102220470698 BUD13 homolog_V30P_mutation Human genes 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 241000295644 Staphylococcaceae Species 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012496 blank sample Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B29C47/92—
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses a hardened antibiotic polypropylene material and a preparation method thereof. The polypropylene material comprises the following components in percentage by weight: 94.2-97% of polypropylene, 2.0-4.0% of antibiotic masterbatch, 0.1-0.2% of white oil, 0.2-0.4% of nucleator, 0.2-1.0% of talcum powder, 0.3-0.8% of lubricant and 0.2-0.4% of antioxidant. By complexing the talcum powder, nucleator and antibiotic masterbatch to prepare the polypropylene material, the prepared polypropylene material achieves the advantages of low density, high strength, good antibiotic effect, lowered production cost and excellent product performance, and can be widely used for kitchen ware.
Description
[technical field]
The present invention relates to polymeric material field, relate in particular to a kind of stiffened antibacterial polypropylene material and preparation method thereof.
[background technology]
Polypropylene has with low cost, and comprehensive mechanical property is good, nontoxic, light weight, corrosion-resistant, be easy to characteristics such as processing and recovery, therefore obtained using widely.But polyacrylic intensity is on the low side, has limited its application.In addition, be prone to the same with other plastics polluted by various unwanted bacterias, under the situation that humidity is fit to, more is prone to the breeding bacterium.
[summary of the invention]
The invention provides a kind of stiffened antibacterial polypropylene material and preparation method thereof, this polypropylene material has high strength, good anti-bacterial effect.
Technical scheme of the present invention is:
A kind of stiffened antibacterial polypropylene material, by weight percentage, composed of the following components:
Polypropylene 94.2-97%;
Antibacterial matrices 2.0-4.0%;
White oil 0.1-0.2%;
Nucleator 0.2-0.4%;
Talcum powder 0.2-1.0%;
Lubricant 0.3-0.8%;
Oxidation inhibitor 0.2-0.4%.
A kind of preparation method of stiffened antibacterial polypropylene material may further comprise the steps:
Step 1, take by weighing each component by above-mentioned described weight percent;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 200-210 ℃, and two district's temperature are 230-250 ℃, and three district's temperature are 230-250 ℃; Four district's temperature are 220-240 ℃; Head temperature 230-250 ℃, residence time 3-4min, pressure are 12-18MPa.
The polypropylene material of the present invention's preparation; Prescription adopts the method for talcum powder, nucleator and the composite use of antibacterial matrices, the polypropylene material low density, high strength, the good anti-bacterial effect that make preparation, and also production cost reduces; Excellent product performance can be widely used in kitchen utensils.
[embodiment]
Below in conjunction with concrete embodiment the present invention is done a detailed elaboration.
In following each embodiment, polypropylene adopts the homo-polypropylene of melt flow rate (MFR) greater than 14g/10min, such as the V30G of Chinese Maoming petrochemical industry; Antibacterial matrices adopts the nanometer silver antimicrobial master batch, and such as the nanometer silver antimicrobial master batch that Haining city Hai Tai Fine Chemical Co., Ltd produces, it is nontoxic, and nonirritant is to antibiotic rate >=99% of intestinal bacteria and golden staphylococci; Nucleator adopts the glucitols polypropylene transparent nucleater, such as 390 of the two key chemical industry groups in Taiwan; It is 2000 orders that talcum powder adopts the order number, and the talcum powder of whiteness >=93% is such as the food grade talcum powder of Haicheng City article poplar mining industry company limited product; Lubricant adopts N, and the N-ethylene bis stearamide is such as the EBS of Indonesia's product; Oxidation inhibitor adopts Hinered phenols antioxidant and phosphite ester kind antioxidant by weight 1: 1-3 is composite to form; Hinered phenols antioxidant can be four [β-(3; 5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester; Antioxidant 1010 such as the two key chemical industry groups in Taiwan product; Phosphite ester kind antioxidant can be tricresyl phosphite (2; The 4-di-tert-butyl-phenyl) ester is such as the oxidation inhibitor 168 of the two key chemical industry groups in Taiwan product.
Embodiment 1
The stiffened antibacterial polypropylene material of this embodiment, by weight percentage, composed of the following components:
Polypropylene 97%, antibacterial matrices 2%, white oil 0.1%, nucleator 0.2%, talcum powder 0.2%; Lubricant 0.3%, oxidation inhibitor 0.2%.
Its preparation method is following:
Step 1, take by weighing each component by above-mentioned weight percent;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature: 210 ℃; Two district's temperature: 230 ℃; Three district's temperature: 240 ℃; Four district's temperature: 220 ℃; Head temperature: 240 ℃; Residence time 3min; Pressure is 15MPa.
Embodiment 2
The stiffened antibacterial polypropylene material of this embodiment, by weight percentage, composed of the following components:
Polypropylene 95.5%, antibacterial matrices 3%, white oil 0.2%, nucleator 0.2%, talcum powder 0.4%; Lubricant 0.4%, oxidation inhibitor 0.3%.
Its preparation method is following:
Step 1, take by weighing each component by above-mentioned weight percent;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature: 205 ℃; Two district's temperature: 240 ℃; Three district's temperature: 240 ℃; Four district's temperature: 230 ℃; Head temperature: 240 ℃; Residence time 4min; Pressure is 12MPa.
Embodiment 3
The stiffened antibacterial polypropylene material of this embodiment, by weight percentage, composed of the following components:
Polypropylene 94.2%, antibacterial matrices 4%, white oil 0.1%, nucleator 0.3%, talcum powder 0.6%; Lubricant 0.5%, oxidation inhibitor 0.3%.
Its preparation method is following:
Step 1, take by weighing each component by above-mentioned weight percent;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature: 200 ℃; Two district's temperature: 250 ℃; Three district's temperature: 250 ℃; Four district's temperature: 220 ℃; Head temperature: 230 ℃; Residence time 3min; Pressure is 15MPa.
Embodiment 4
The stiffened antibacterial polypropylene material of this embodiment, by weight percentage, composed of the following components:
Polypropylene 94.7%, antibacterial matrices 3%, white oil 0.2%, nucleator 0.3%, talcum powder 0.8%; Lubricant 0.6%, oxidation inhibitor 0.4%.
Its preparation method is following:
Step 1, take by weighing each component by above-mentioned weight percent;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature: 200 ℃; Two district's temperature: 230 ℃; Three district's temperature: 240 ℃; Four district's temperature: 240 ℃; Head temperature: 250 ℃; Residence time 4min; Pressure is 18MPa.
Embodiment 5
The stiffened antibacterial polypropylene material of this embodiment, by weight percentage, composed of the following components:
Polypropylene 94.2%, antibacterial matrices 3%, white oil 0.2%, nucleator 0.4%, talcum powder 1.0%; Lubricant 0.8%, oxidation inhibitor 0.4%.
Its preparation method is following:
Step 1, take by weighing each component by above-mentioned weight percent;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature: 210 ℃; Two district's temperature: 230 ℃; Three district's temperature: 230 ℃; Four district's temperature: 240 ℃; Head temperature: 250 ℃; Residence time 4min; Pressure is 15MPa.
Performance test and evaluation:
With the particle of accomplishing granulation among the foregoing description 1-5 in 130-150 ℃ convection oven dry 4-6 hour,, keep the mould temperature in the sample making course between 70-100 ℃ again with the injection moulding sample preparation on the 80T injection moulding machine of exsiccant particle.
Tensile strength is tested by ASTM D-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), and draw speed is 50mm/min; Flexural strength and modulus in flexure are tested by ASTM D-790 standard.Specimen types is specimen size (mm): (128 ± 2) * (12.67 ± 0.2) * (3.11 ± 0.2), rate of bending are 20mm/min; The socle girder notched Izod impact strength is tested by ASTM D-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2); The breach type is a category-A, and the breach residual thickness is 1.9mm; Melting index is tested according to ASTM D1238; Density is tested according to ASTMD792, and melting index is tested according to ASTM D1238.
Anti-microbial property detects with reference to the light industry standard QB/T2591-2003 of the People's Republic of China (PRC), uses film applicator coating, investigates the bacteriostasis rate of sample 24h, and the mensuration of total number of bacterial colony is counted with reference to GB/T4789.2-2003.The antibiotic model of injection formed is processed 50mm * 50mm.The calculating formula of antibiotic rate is following:
R(％)＝(B-C)/B×100
In the formula: R-antibiotic rate, %;
B-blank sample average reclaims bacterium number, cfu/ sheet;
C-antibiotic plastic sample average reclaims bacterium number, cfu/ sheet.
The prescription of embodiment 1-5 and material property such as following table 1:
Table 1
Can find out by last table; Antibacterial matrices, nucleator; When talcous content changes within the scope of the present invention; The intensity of the polypropylene material that obtains has considerable change; Be mainly reflected in tensile strength and flexural strength aspect; The polypropylene material intensity that the present invention's preparation is described is high, and antibiotic rate reaches more than 98% good anti-bacterial effect.Comprehensive cost and performance consider, when polypropylene content is 94.2%, antibacterial matrices is 4%, and nucleator is 0.3%, and talcum powder is 0.6% o'clock, and the polypropylene material intensity that makes is high, and shock strength is moderate, and antibacterial effect is remarkable.The present invention is through selecting the interpolation proportioning of appropriate resin starting material and various auxiliary agents, obtained low density, antibiotic and stiffened antibacterial polypropylene material with better intensity, can be widely used in kitchen utensils.
More than stiffened antibacterial polypropylene material of the present invention and preparation method thereof has been carried out detailed introduction; Used representative embodiment among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for those of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. stiffened antibacterial polypropylene material is characterized in that: by weight percentage, composed of the following components:
Polypropylene 94.2-97%;
Antibacterial matrices 2.0-4.0%;
White oil 0.1-0.2%;
Nucleator 0.2-0.4%;
Talcum powder 0.2-1.0%;
Lubricant 0.3-0.8%;
Oxidation inhibitor 0.2-0.4%.
2. stiffened antibacterial polypropylene material according to claim 1 is characterized in that: said polypropylene is the homo-polypropylene of melt flow rate (MFR) greater than 14g/10min.
3. stiffened antibacterial polypropylene material according to claim 1 is characterized in that: said antibacterial matrices is the nanometer silver antimicrobial master batch.
4. stiffened antibacterial polypropylene material according to claim 1 is characterized in that: said nucleator is the glucitols polypropylene transparent nucleater.
5. stiffened antibacterial polypropylene material according to claim 1 is characterized in that: said talcum powder order number is 2000 orders, whiteness >=93%.
6. stiffened antibacterial polypropylene material according to claim 1 is characterized in that: said lubricant is N, the N-ethylene bis stearamide.
7. stiffened antibacterial polypropylene material according to claim 1 is characterized in that: said oxidation inhibitor by Hinered phenols antioxidant and phosphite ester kind antioxidant by weight 1: 1-3 is composite to form.
8. stiffened antibacterial polypropylene material according to claim 7; It is characterized in that: said Hinered phenols antioxidant is four [β-(3; 5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, said phosphite ester kind antioxidant is tricresyl phosphite (2, a 4-di-tert-butyl-phenyl) ester.
9. the preparation method of a stiffened antibacterial polypropylene material is characterized in that, may further comprise the steps:
Step 1, take by weighing each component by the described weight percent of claim 1;
Step 2, each component that will take by weighing mix;
In step 3, the hopper, through melt extruding granulation with mixed material adding twin screw extruder; The twin screw extruder processing condition are: twin screw extruder one district's temperature is 200-210 ℃, and two district's temperature are 230-250 ℃, and three district's temperature are 230-250 ℃; Four district's temperature are 220-240 ℃; Head temperature 230-250 ℃, residence time 3-4min, pressure are 12-18MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101439915A CN102344607B (en) | 2011-05-31 | 2011-05-31 | Hardened antibiotic polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101439915A CN102344607B (en) | 2011-05-31 | 2011-05-31 | Hardened antibiotic polypropylene material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102344607A true CN102344607A (en) | 2012-02-08 |
| CN102344607B CN102344607B (en) | 2013-07-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601960A (en) * | 2013-10-15 | 2014-02-26 | 深圳市科聚新材料有限公司 | Polypropylene composite material, preparation method and application thereof |
| CN103772807A (en) * | 2012-10-25 | 2014-05-07 | 黑龙江鑫达企业集团有限公司 | Preparation method of anti-bacterial and hydrophilic polypropylene granules |
| CN107141583A (en) * | 2017-04-10 | 2017-09-08 | 广东圆融新材料有限公司 | It is a kind of that there is antibacterial polypropylene material of imitative metal effect and preparation method thereof |
| CN108250578A (en) * | 2018-01-28 | 2018-07-06 | 段宝荣 | A kind of environmental protection, nontoxic durable antibiotic polypropylene material |
| CN108276674A (en) * | 2018-01-28 | 2018-07-13 | 段宝荣 | A kind of environment-friendly antibacterial polypropylene material and preparation method thereof |
| CN109422962A (en) * | 2017-08-29 | 2019-03-05 | 合肥杰事杰新材料股份有限公司 | A kind of transparent, antibacterial polypropylene material and preparation method thereof |
| CN111978635A (en) * | 2020-08-17 | 2020-11-24 | 成都金发科技新材料有限公司 | Antibacterial and antiviral polypropylene material for automobile air conditioner shell and preparation method thereof |
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| CN101089038A (en) * | 2007-06-08 | 2007-12-19 | 深圳市科聚新材料有限公司 | Antibacterial polypropylene material and its prepn process |
| CN102040776A (en) * | 2010-12-30 | 2011-05-04 | 深圳市科聚新材料有限公司 | Antibacterial polypropylene material and preparation method thereof |
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2011
- 2011-05-31 CN CN2011101439915A patent/CN102344607B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101089038A (en) * | 2007-06-08 | 2007-12-19 | 深圳市科聚新材料有限公司 | Antibacterial polypropylene material and its prepn process |
| CN102040776A (en) * | 2010-12-30 | 2011-05-04 | 深圳市科聚新材料有限公司 | Antibacterial polypropylene material and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772807A (en) * | 2012-10-25 | 2014-05-07 | 黑龙江鑫达企业集团有限公司 | Preparation method of anti-bacterial and hydrophilic polypropylene granules |
| CN103772807B (en) * | 2012-10-25 | 2016-03-23 | 黑龙江鑫达企业集团有限公司 | A kind of preparation method of antibacterial, hydrophilic polypropylene particle |
| CN103601960A (en) * | 2013-10-15 | 2014-02-26 | 深圳市科聚新材料有限公司 | Polypropylene composite material, preparation method and application thereof |
| CN107141583A (en) * | 2017-04-10 | 2017-09-08 | 广东圆融新材料有限公司 | It is a kind of that there is antibacterial polypropylene material of imitative metal effect and preparation method thereof |
| CN109422962A (en) * | 2017-08-29 | 2019-03-05 | 合肥杰事杰新材料股份有限公司 | A kind of transparent, antibacterial polypropylene material and preparation method thereof |
| CN108250578A (en) * | 2018-01-28 | 2018-07-06 | 段宝荣 | A kind of environmental protection, nontoxic durable antibiotic polypropylene material |
| CN108276674A (en) * | 2018-01-28 | 2018-07-13 | 段宝荣 | A kind of environment-friendly antibacterial polypropylene material and preparation method thereof |
| CN108276674B (en) * | 2018-01-28 | 2020-09-18 | 宁波辰明喷雾器有限公司 | Environment-friendly antibacterial polypropylene material and preparation method thereof |
| CN108250578B (en) * | 2018-01-28 | 2020-10-23 | 上海金昌工程塑料有限公司 | Environment-friendly, nontoxic and lasting antibacterial polypropylene material |
| CN111978635A (en) * | 2020-08-17 | 2020-11-24 | 成都金发科技新材料有限公司 | Antibacterial and antiviral polypropylene material for automobile air conditioner shell and preparation method thereof |
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| CN102344607B (en) | 2013-07-17 |
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