CN114230925A - Environment-friendly polypropylene composite material with natural antibacterial function for automotive interior and preparation method thereof - Google Patents
Environment-friendly polypropylene composite material with natural antibacterial function for automotive interior and preparation method thereof Download PDFInfo
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- CN114230925A CN114230925A CN202111647727.5A CN202111647727A CN114230925A CN 114230925 A CN114230925 A CN 114230925A CN 202111647727 A CN202111647727 A CN 202111647727A CN 114230925 A CN114230925 A CN 114230925A
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- natural antibacterial
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- -1 polypropylene Polymers 0.000 title claims abstract description 67
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 59
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 59
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 33
- 235000003261 Artemisia vulgaris Nutrition 0.000 claims abstract description 30
- 235000009051 Ambrosia paniculata var. peruviana Nutrition 0.000 claims abstract description 27
- 235000003097 Artemisia absinthium Nutrition 0.000 claims abstract description 27
- 240000001851 Artemisia dracunculus Species 0.000 claims abstract description 27
- 235000017731 Artemisia dracunculus ssp. dracunculus Nutrition 0.000 claims abstract description 27
- 239000001138 artemisia absinthium Substances 0.000 claims abstract description 27
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 239000003513 alkali Substances 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000004611 light stabiliser Substances 0.000 claims abstract description 8
- 239000012745 toughening agent Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000005469 granulation Methods 0.000 claims abstract description 5
- 230000003179 granulation Effects 0.000 claims abstract description 5
- 238000004381 surface treatment Methods 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920001577 copolymer Polymers 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 240000006891 Artemisia vulgaris Species 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- KJYSXRBJOSZLEL-UHFFFAOYSA-N (2,4-ditert-butylphenyl) 3,5-ditert-butyl-4-hydroxybenzoate Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OC(=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 KJYSXRBJOSZLEL-UHFFFAOYSA-N 0.000 claims description 2
- 239000002656 Distearyl thiodipropionate Substances 0.000 claims description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 claims description 2
- 235000019305 distearyl thiodipropionate Nutrition 0.000 claims description 2
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 229960000969 phenyl salicylate Drugs 0.000 claims description 2
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N salicylic acid phenyl ester Natural products OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 2
- 229920001897 terpolymer Polymers 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 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 abstract description 9
- 239000011347 resin Substances 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000003242 anti bacterial agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- VNFXPOAMRORRJJ-UHFFFAOYSA-N (4-octylphenyl) 2-hydroxybenzoate Chemical compound C1=CC(CCCCCCCC)=CC=C1OC(=O)C1=CC=CC=C1O VNFXPOAMRORRJJ-UHFFFAOYSA-N 0.000 description 1
- PZRWFKGUFWPFID-UHFFFAOYSA-N 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCCCCCCCCCCCC)OCC21COP(OCCCCCCCCCCCCCCCCCC)OC2 PZRWFKGUFWPFID-UHFFFAOYSA-N 0.000 description 1
- VKJLYEDTHCTCOH-UHFFFAOYSA-N 3-(3-octadecoxy-3-oxopropyl)sulfanylpropanoic acid Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(O)=O VKJLYEDTHCTCOH-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000005496 phosphonium group Chemical group 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- VBUBYMVULIMEHR-UHFFFAOYSA-N propa-1,2-diene;prop-1-yne Chemical compound CC#C.C=C=C VBUBYMVULIMEHR-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
Abstract
The invention relates to an environment-friendly polypropylene composite material with natural antibacterial function for automotive interior and a preparation method thereof, wherein the environment-friendly polypropylene composite material comprises the following components in percentage by weight: 50-70 parts of polypropylene; 20-50 parts of wormwood powder; 0-20 parts of a toughening agent; 0.1-1 part of antioxidant; 0.1-0.5 part of light stabilizer; 2-5 parts of a compatilizer. Weighing polypropylene, a toughening agent, an antioxidant, a light stabilizer and the like in proportion, firstly putting the materials into a high-speed mixing machine for mixing for 5-10min, adding the materials into a double-screw extruder from a main feeding port, adding wormwood powder into the double-screw extruder from a lateral feeding port, carrying out melt extrusion, bracing, cooling and granulation, and finally preparing the natural antibacterial polypropylene composite material. The invention mainly takes the wormwood powder as a core antibacterial substance and replaces talcum powder to reinforce the polypropylene resin, wherein the mechanical property of the wormwood powder is optimized by carrying out surface treatment on the wormwood powder by using an alkali liquor-silane coupling agent, and the wormwood powder can be applied to automotive interior parts and has the material characteristics of low carbon, low cost and easy production.
Description
Technical Field
The invention relates to the technical field of modification of green high polymer materials, in particular to an environment-friendly polypropylene composite material with a natural antibacterial function for automotive interior and a preparation method thereof.
Background
The polypropylene material has the advantages of wide source, low price, good performance and the like, can be blended with natural plant fibers, can be prepared into an environment-friendly polypropylene composite material through an extrusion process, and can be applied to interior parts such as automobile instrument panels, auxiliary instrument panels, door panels and the like. These parts are often in frequent contact with the human body, leaving dirt on their surface, plus the tendency to grow bacteria and mold in a humid environment. The plastic is added with a certain amount of antibacterial agent to endow the plastic with antibacterial function, so as to play a role in inhibiting and killing germs.
At present, aiming at the environment-friendly polypropylene composite material, few reports on antibacterial performance are provided, for example, patent CN 111363238A discloses an antibacterial plant fiber reinforced polypropylene composite material and a preparation method and application thereof, plant fibers are modified by adopting a silane coupling agent containing quaternary ammonium salt in a one-step method, a compound containing quaternary ammonium function is applied to natural plant fiber modification to endow the plant fibers with good antibacterial performance, and then antibacterial plant fibers and polypropylene are compounded and extruded to prepare the antibacterial plant fiber reinforced polypropylene composite material. The antibacterial system of the material system has the problems of poor heat resistance, easy hydrolysis, short antibacterial durability, poor use safety and the like. Therefore, the prepared polypropylene composite material with natural antibacterial function for automotive interiors has important research significance.
Disclosure of Invention
The invention mainly aims to provide an environment-friendly polypropylene composite material with a natural antibacterial function for automotive interior. The method mainly uses wormwood powder as a core antibacterial substance and replaces talcum powder to reinforce polypropylene resin, wherein the mechanical property of the wormwood powder is optimized by carrying out surface treatment on the wormwood powder by using an alkali liquor-silane coupling agent, so that the wormwood powder is applied to automobile interior parts.
The invention also aims to provide a preparation method of the environment-friendly polypropylene composite material for automotive interior.
In order to achieve the purpose, the invention adopts the following technical scheme:
the environment-friendly polypropylene composite material with the natural antibacterial function for the automotive interior comprises the following components in percentage by weight:
in the above environment-friendly polypropylene composite material for automotive interiors:
the polypropylene is one or more of homopolymerized polypropylene or copolymerized polypropylene, and the melt index is 60-150g/10 min.
The mesh number of the wormwood powder is 500-1500 meshes.
The toughening agent is an elastomer and is selected from one or more of ethylene-hexene copolymer, ethylene-butene copolymer, ethylene-octene copolymer, ethylene-propylene-octene terpolymer and hydrogenated ethylene-butadiene-styrene copolymer.
The antioxidant consists of a main antioxidant and an auxiliary antioxidant which are mixed in any ratio, wherein the main antioxidant is pentaerythritol ester; the auxiliary antioxidant is at least one selected from tris (2, 4-di-tert-butylphenyl) phosphite and distearyl thiodipropionate.
The light stabilizer is at least one of p-octyl phenyl salicylate and 2, 4-di-tert-butyl phenyl 3, 5-di-tert-butyl-4-hydroxybenzoate.
The compatilizer is maleic anhydride grafted polypropylene, and the grafting rate is 1-2%.
The preparation method of the environment-friendly polypropylene composite material with the natural antibacterial function for the automotive interior comprises the following specific steps:
A. performing surface treatment on the wormwood powder: soaking folium Artemisiae Argyi powder in 5-10 wt% sodium hydroxide water solution, soaking at room temperature for 2-8 hr, cleaning with clear water, and drying. Then adjusting the pH value of the mugwort grass powder treated by the alkali liquor, a silane coupling agent KH550 and deionized water to 5-7, stirring and reacting at 23 ℃ for 12-36h to obtain a silane coupling agent modified material; the mass ratio of the alkali liquor treated wormwood powder to the KH550 to the deionized water is as follows: 1-20:0.1-5:100.
B. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interior and the preparation method thereof are as follows: weighing polypropylene, a toughening agent, an antioxidant, a light stabilizer and the like in proportion, firstly putting the materials into a high-speed mixing machine for mixing for 5-10min, adding the materials into a double-screw extruder from a main feeding port, adding wormwood powder into the double-screw extruder from a lateral feeding port, carrying out melt extrusion, bracing, cooling and granulation, and finally preparing the natural antibacterial green polypropylene composite material. The processing temperature of the screw extrusion is 100-200 ℃, and the rotating speed of the main machine is 300-500 rpm.
Compared with the prior art, the invention has the following positive effects:
according to the invention, on the basis of the basic formula of the traditional modified polypropylene composite material, the wormwood powder treated by the alkali liquor-silane coupling agent is used for replacing talcum powder to reinforce the polypropylene resin, so that the mechanical property index of the talcum powder modified material is achieved, and the long-acting and safe antibacterial property is achieved. The processing procedure is simple, the efficiency is high, and the industrialization is convenient.
Detailed Description
The invention aims to provide an environment-friendly polypropylene composite material with a natural antibacterial function for automotive interior and a preparation method thereof. The following are examples and comparative examples by which the technical solution of the present invention can be further understood. The invention is not to be so limited, and all equivalent and equivalent modifications are intended to be included within the scope of the present invention.
The starting materials used in examples 1-6 and comparative examples 1 and 2 were as follows:
polypropylene 1: melt index 100, test conditions 230 ℃ 2.16kg, commercially available;
polypropylene 2: melt index 50, test conditions 230 ℃ 2.16kg, commercially available;
polypropylene 3: melt index 60, test conditions 230 ℃ 2.16kg, commercially available;
moxa powder: 800 mesh, commercially available;
antibacterial agents: inorganic silver type, commercially available;
a compatilizer: MAPP, with a grafting rate of 1.5%, was commercially available;
talc powder: 1250 mesh, commercially available;
elastomer: ethylene-hexene copolymers, commercially available;
the antioxidant formula comprises: octadecyl thiodipropionate quaternary phosphonium tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ]
Pentaerythritol ester: dioctadecyl pentaerythritol diphosphite ═ 1:2:1, commercially available;
light stabilizer: p-octylphenyl salicylate, commercially available;
silane coupling agent: KH550, commercially available;
sodium hydroxide: it is commercially available.
The specific embodiments of examples 1-9 are developed as follows:
A. performing surface treatment on the wormwood powder: soaking the wormwood powder in a 5 wt% sodium hydroxide aqueous solution, soaking for 4h at normal temperature, cleaning with clear water, and drying. Then adjusting the pH value of the mugwort grass powder treated by the alkali liquor, a silane coupling agent KH550 and deionized water to 7, stirring and reacting for 24 hours at 23 ℃ to obtain a silane coupling agent modified material; the mass ratio of the alkali liquor treated wormwood powder to the KH550 to the deionized water is as follows: 10:2:100. .
B. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interior and the preparation method thereof are as follows: weighing polypropylene, a toughening agent, an antioxidant, a light stabilizer and the like according to the proportion of the embodiment 1-6, firstly putting the materials into a high-speed mixing machine for mixing for 10min, adding the materials into a double-screw extruder from a main feeding port, adding wormwood powder into the double-screw extruder from a lateral feeding port, carrying out melt extrusion, bracing, cooling and granulation, and finally preparing the natural antibacterial green polypropylene composite material. The processing temperature of screw extrusion is 180 ℃, and the rotating speed of a main machine is 400 rpm.
The specific implementation of comparative examples 1 to 3 was as follows: the components in the table 1 are weighed according to the proportion, firstly placed into a high-speed mixing machine to be mixed for 10min, added into a double-screw extruder from a main feeding port, subjected to melt extrusion, bracing, cooling and granulation, and finally the polypropylene composite material is prepared. The processing temperature of screw extrusion is 180 ℃, and the rotating speed of a main machine is 400 rpm.
And (3) testing basic mechanical properties: the density is detected according to the ISO 1183A standard; the tensile strength is detected according to ISO527-2 standard, and the test speed is 5 mm/min; the flexural modulus is detected according to ISO178 standard, the span is 64mm, and the test speed is 2 mm/min; the impact strength of the notch of the simply supported beam is detected according to the ISO179-1 standard, and the notch of the sample strip is of an A type; the antibacterial property is detected according to ISO 22196:2011, the sound insulation property is detected according to GB/T18696.2 standard, the thickness of the sample is 3mm, and the pretreatment mode is ultraviolet irradiation sterilization.
TABLE 1 compositions and antibacterial Properties of modified Polypropylene materials (composition in weight percent)
TABLE 2 relevant test results for modified Polypropylene materials
Table 2 shows the results of testing the natural antibacterial environmentally friendly polypropylene composite for automotive interiors. As can be seen from the table, when the wormwood powder replaces the talcum powder in the same proportion, the antibacterial rate of the polypropylene composite material to escherichia coli and staphylococcus aureus can reach 99.9% on the premise that the antibacterial agent is not added. Regarding the mechanical property, after the surface of the wormwood powder is treated by the alkali liquor-silane coupling agent, the tensile strength and the notch impact strength of the composite material are improved, and the composite material has the same level of mechanical property with a talcum powder reinforced material. In addition, the wormwood powder reinforced polypropylene material has lower density compared with the talcum powder. Therefore, the wormwood powder reinforced polypropylene material is a composite material with natural antibacterial performance, can replace an antibacterial talcum powder reinforced polypropylene material to be applied to automobile interior parts, and has the material characteristics of low carbon, low cost and easiness in production.
Claims (8)
2. the environment-friendly polypropylene composite material with natural antibacterial function for automotive interiors according to claim 1, wherein: the polypropylene is one or more of homopolymerized polypropylene or copolymerized polypropylene, and the melt index is 60-150g/10 min.
3. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interiors according to claim 1, wherein: the mesh number of the wormwood powder is 500-1500 meshes.
4. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interiors according to claim 1, wherein: the toughening agent is an elastomer and is selected from one or more of ethylene-hexene copolymer, ethylene-butene copolymer, ethylene-octene copolymer, ethylene-propylene-octene terpolymer and hydrogenated ethylene-butadiene-styrene copolymer.
5. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interiors according to claim 1, wherein: the antioxidant consists of a main antioxidant and an auxiliary antioxidant which are mixed in any ratio, wherein the main antioxidant is pentaerythritol ester; the auxiliary antioxidant is at least one selected from tris (2, 4-di-tert-butylphenyl) phosphite and distearyl thiodipropionate.
6. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interiors according to claim 1, wherein: the light stabilizer is at least one of p-octyl phenyl salicylate and 2, 4-di-tert-butyl phenyl 3, 5-di-tert-butyl-4-hydroxybenzoate.
7. The environment-friendly polypropylene composite material with natural antibacterial function for automotive interiors according to claim 1, wherein: the compatilizer is maleic anhydride grafted polypropylene, and the grafting rate is 1-2%.
8. The preparation method of the environment-friendly polypropylene composite material with the natural antibacterial function for the automotive interior, which is characterized by comprising the following specific steps:
A. performing surface treatment on the wormwood powder: soaking folium Artemisiae Argyi powder in 5-10 wt% sodium hydroxide water solution, soaking at room temperature for 2-8 hr, cleaning with clear water, and drying. Then adjusting the pH value of the mugwort grass powder treated by the alkali liquor, a silane coupling agent KH550 and deionized water to 5-7, stirring and reacting at 23 ℃ for 12-36h to obtain a silane coupling agent modified material; the mass ratio of the alkali liquor treated wormwood powder to the KH550 to the deionized water is as follows: 1-20:0.1-5: 100;
B. the environment-friendly polypropylene composite material with natural antibacterial function for automotive interior and the preparation method thereof are as follows: weighing polypropylene, a toughening agent, an antioxidant, a light stabilizer and the like in proportion, firstly putting the materials into a high-speed mixing machine for mixing for 5-10min, adding the materials into a double-screw extruder from a main feeding port, adding wormwood powder into the double-screw extruder from a lateral feeding port, carrying out melt extrusion, bracing, cooling and granulation, and finally preparing the natural antibacterial green polypropylene composite material. The processing temperature of the screw extrusion is 100-200 ℃, and the rotating speed of the main machine is 300-500 rpm.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024062693A1 (en) * | 2022-09-21 | 2024-03-28 | 城東テクノ株式会社 | Resin composition for 3d printing device, filament for 3d printing device, fabricated object, and pellet for 3d printing device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108892963A (en) * | 2018-06-05 | 2018-11-27 | 东莞市仁荣塑胶原料有限公司 | Plant fiber and polypropylene plastics composite material and preparation method and application |
CN111363238A (en) * | 2020-03-21 | 2020-07-03 | 贵州省材料产业技术研究院(贵州省复合改性聚合物材料工程技术研究中心、国家复合改性聚合物材料工程技术研究中心) | Antibacterial plant fiber reinforced polypropylene composite material and preparation method and application thereof |
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2021
- 2021-12-29 CN CN202111647727.5A patent/CN114230925A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108892963A (en) * | 2018-06-05 | 2018-11-27 | 东莞市仁荣塑胶原料有限公司 | Plant fiber and polypropylene plastics composite material and preparation method and application |
CN111363238A (en) * | 2020-03-21 | 2020-07-03 | 贵州省材料产业技术研究院(贵州省复合改性聚合物材料工程技术研究中心、国家复合改性聚合物材料工程技术研究中心) | Antibacterial plant fiber reinforced polypropylene composite material and preparation method and application thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024062693A1 (en) * | 2022-09-21 | 2024-03-28 | 城東テクノ株式会社 | Resin composition for 3d printing device, filament for 3d printing device, fabricated object, and pellet for 3d printing device |
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