CN111944237B - Anti-virus and low-haze automotive interior polypropylene material and preparation method thereof - Google Patents
Anti-virus and low-haze automotive interior polypropylene material and preparation method thereof Download PDFInfo
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- CN111944237B CN111944237B CN202010828496.7A CN202010828496A CN111944237B CN 111944237 B CN111944237 B CN 111944237B CN 202010828496 A CN202010828496 A CN 202010828496A CN 111944237 B CN111944237 B CN 111944237B
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- 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
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses an antiviral low-haze automotive interior polypropylene material which comprises the following components in parts by weight: 55-80 parts of polypropylene, 10-20 parts of toughening agent, 10-25 parts of filler, 0.4-0.8 part of antiviral agent, 0.05-0.2 part of nucleating agent, 0.05-0.2 part of lubricant and 0.05-0.3 part of antioxidant; the haze of the polypropylene is not more than 15%; the antiviral agent is at least one of silver ion antibacterial agent, zinc ion antibacterial agent and nano zinc oxide. The polypropylene material has the haze less than 6 percent and the antibacterial and antiviral properties more than 95 percent, and can be widely used as a modified polypropylene material for automotive trim. Meanwhile, the invention also discloses a preparation method of the polypropylene material.
Description
Technical Field
The invention relates to the field of modification of high polymer materials, in particular to an antiviral low-haze automotive interior polypropylene material and a preparation method thereof.
Background
The polypropylene material is widely applied to the fields of automobiles, household electrical appliances, packages, electronic and electrical appliances and the like due to the advantages of low price, light weight and the like. With the rapid development of the automobile industry, in recent years, various large main engine plants have made higher requirements on automobile interior materials, such as low odor, low VOC, low haze and the like, and the low haze has a very important significance on the feeling of consumers and safe driving.
By combining the new coronavirus in 2019-2020, an automotive interior polypropylene material with better antivirus and low haze effects is needed to be provided, so that the requirements of low diffusion, high scratch resistance, antibiosis and antivirus of automotive interiors in the current large environment are met, the requirements of various automotive host factories on the test outline of vehicle-mounted entertainment panels are met, and a more comfortable and safe driving environment is provided for passengers.
Disclosure of Invention
Based on the above, the present invention aims to overcome the defects of the prior art and provide an antiviral low-haze polypropylene material for automotive interior trim.
In order to realize the purpose, the technical scheme adopted by the invention is as follows: an antiviral low-haze automotive interior polypropylene material comprises the following components in parts by weight: 55-80 parts of polypropylene, 10-20 parts of toughening agent, 10-25 parts of filler, 0.4-0.8 part of antiviral agent, 0.05-0.2 part of nucleating agent, 0.05-0.2 part of lubricant and 0.05-0.3 part of antioxidant; the haze of the polypropylene is not more than 15%; the antiviral agent is at least one of silver ion antibacterial agent, zinc ion antibacterial agent and nano zinc oxide. The haze test of the polypropylene is carried out by referring to a method A of Toyota automobile TSM 0503G-2013.
Preferably, the silver ion antibacterial agent is at least one of a glass carrier silver ion antibacterial agent and a zirconium phosphate carrier silver ion antibacterial agent; the zinc ion antibacterial agent is at least one of a glass carrier zinc ion antibacterial agent and a zirconium phosphate carrier zinc ion antibacterial agent.
Preferably, the toughening agent is an ethylene-octene block copolymer having a melting point of not less than 118 ℃.
Preferably, the filler is talcum powder, and the particle size D50 of the filler is 0.65-9 μm.
Preferably, the nucleating agent is an aryl phosphate salt polypropylene alpha crystal form nucleating agent.
Preferably, the lubricant is a stearate-based lubricant.
Preferably, the antioxidant is a compound of a hindered phenol antioxidant and a phosphite antioxidant.
Meanwhile, the invention also discloses a preparation method of the anti-virus and low-haze automotive interior polypropylene material, which comprises the following steps:
adding the components into a high-speed mixer to mix for 5-10 minutes to obtain a mixture, and then adding the mixture into a co-rotating double-screw extruder to perform melt extrusion, granulation, drying, cooling and packaging to obtain the anti-virus and low-haze automotive interior polypropylene material; wherein the rotating speed of the high-speed mixer is 600-800 r/min, and the temperature of the double-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ from the feeding section to the head.
Preferably, double vacuum adsorption is adopted to remove the volatile component, and the vacuum degree is not more than-0.08 MPa.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention prepares the modified polypropylene material which has the haze of less than 6 percent and the antibacterial and antiviral property of more than 95 percent and can be widely used for automotive interior by performing important research on the aspects of selection of PP raw materials, selection of toughener raw materials, selection of processing aid types and contents, optimization of extrusion process and the like.
2. The invention uses inorganic antibacterial agent to research and develop antivirus for the first time, and achieves the effect of resisting virus by more than 95%.
3. The invention has simple production process and is suitable for mass production.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples. The following examples are merely exemplary of the present invention, and the scope of the present invention is not limited thereto. In the following examples and comparative examples, the density was measured in accordance with ISO 1183-1; the tensile property is tested according to ISO 527-2 standard, and the tensile speed is 50mm/min; the bending is tested according to the ISO 178 standard, and the bending speed is 2mm/min; testing the notch impact of the cantilever beam according to the ISO 180 standard; the melt index is measured according to ISO 1133-1/2 standard; the thermal deformation is tested according to ISO 75-2 standard, 0.45MPa, and the test is carried out flatly; the haze is tested according to the Toyota host factory TSM0503G-2013 (method A); the antibacterial test was carried out according to ISO 22196 and the antiviral test was carried out according to ISO 21702.
The main representative materials used in the examples and comparative examples are as follows:
polypropylene PP
PP-1: MH7900 (haze = 2.5%) supplier: LG in Korea;
PP-2: BX3900 (haze = 12.6%) supplier: korea SK;
and (3) PP-3: BX3800 (haze = 8.9%) supplier: korea SK;
PP-4: EP548R (haze = 15.6%) supplier: zhonghai shell brand;
toughening agent:
POE-1: INFUSE 9007 (melting point 119 ℃), supplier: the United states of America is Dow;
POE-2: INFUSE 9077 (melting point 118 ℃), supplier: dow, USA;
POE-3: INFUSE9100 (melting point 120 ℃), supplier: the United states of America is Dow;
POE-4: INFUSE 9107 (melting point 121 ℃), supplier: the United states of America is Dow;
POE-5: INFUSE 9500 (melting point 122 ℃), supplier: dow, USA;
POE-6: ENGAGE8842 (m.p. 38 ℃), supplier: dow, USA;
filling:
filling: AH51210 (D50 =6 μm talc), supplier: ai Hai Liao Ning;
filling: TYT-8875B (D50 =9 μm talc), supplier: liaoning as a supplement;
filling: htpull 5L (D50 =0.65 μm talc), supplier: italy in rice law;
antibacterial and antiviral agents:
the trade mark is: silver ion antimicrobial IPS3 (glass carrier), supplier: katsumada mirabilite;
the trade mark is as follows: zinc ion antimicrobial T112 (glass carrier), supplier: tsukamuro niter, japan;
the trade mark is as follows: nano zinc oxide, supplier: bofu science and technology;
the trade mark is: silver zinc complex antimicrobial IKM50G, supplier: clean and beautiful in japan;
antioxidant:
hindered phenol type: SONOX1010, manufacturer: sanfeng Shandong;
phosphite type: SONOX168, manufacturer: sanfeng Shandong;
nucleating agent:
aryl phosphate polypropylene alpha crystal nucleating agent, type: NA-21, manufacturer: adico, japan;
lubricant:
the zinc stearate model: BS-2818 manufacturer: chemical industry of Huaming Tai;
calcium stearate type: manufacturer BS-3818: huaming Tai chemical industry;
example 1
In an embodiment of the anti-viral and low-haze automotive interior polypropylene material of the present invention, the anti-viral and low-haze automotive interior polypropylene material is prepared by the following steps:
first, 55 parts of special polypropylene BX3900, 20 parts of special toughening agent INFUSE9100, 25 parts of filler TYT-8875B, 0.4 part of antiviral agent IPS3, 0.05 part of nucleating agent NA-21, 0.05 part of lubricant BS-3818 and 0.05 part of antioxidant (SONOX 1010: SONOX168= 1) are weighed and mixed for 5 minutes in a high-speed mixer, wherein the rotating speed of the high-speed mixer is 600 revolutions per minute. And adding the mixed particles into a 75D co-rotating double-screw extruder for melt extrusion, granulation, drying, cooling and packaging. The temperature of the twin-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ in sequence from the feeding section to the head. Double vacuum adsorption is adopted to remove volatile components, and the vacuum degree is required to be less than or equal to-0.08 MPa.
Example 2
Except for the difference between the toughening agent and the toughening agent in example 1, the other steps are the same as in example 1, and the toughening agent in this example is POE-6.
Comparative example 1 removal of antiviral agent
The procedure was as in example 1 except that the antiviral agent was not contained.
Comparative example 2 replacement of ordinary Polypropylene
The procedure was as in example 1 except that the polypropylene was selected as PP-4.
Example 3
In an embodiment of the anti-viral and low-haze automotive interior polypropylene material of the present invention, the anti-viral and low-haze automotive interior polypropylene material is prepared by the following steps:
first, 55 parts of special polypropylene BX3900, 20 parts of special toughening agent INFUSE9100, 25 parts of filler TYT-8875B, 0.4 part of antiviral agent IPS3, 0.05 part of nucleating agent NA-21, 0.05 part of lubricant BS-3818 and 0.05 part of antioxidant (SONOX 1010: SONOX168= 1) are weighed and mixed for 5 minutes in a high-speed mixer, wherein the rotating speed of the high-speed mixer is 600 revolutions per minute. And adding the mixed particles into a 75D co-rotating double-screw extruder for melt extrusion, granulation, drying, cooling and packaging. The temperature of the twin-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ from the feeding section to the head in sequence. The single vacuum adsorption is adopted to remove the volatile component, and the vacuum degree is only-0.04 MPa.
Example 4
In an embodiment of the present invention, the antiviral low-haze automotive interior polypropylene material is prepared by the following steps:
firstly, 50 parts of special polypropylene BX3800, 30 parts of special polypropylene MH7900, 10 parts of special toughening agent INFUSE 9007, 10 parts of filler AH51210, 0.8 part of antiviral nano zinc oxide, 0.2 part of nucleating agent NA-21, 0.2 part of lubricant BS-2818 and 0.3 part of antioxidant (SONOX 1010: SONOX168= 2). And adding the mixed particles into a 75D co-rotating twin-screw extruder for melt extrusion, granulation, drying, cooling and packaging. The temperature of the twin-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ from the feeding section to the head in sequence. Double vacuum adsorption is adopted to remove volatile components, and the vacuum degree is required to be less than or equal to-0.08 MPa.
Example 5
In an embodiment of the anti-viral and low-haze automotive interior polypropylene material of the present invention, the anti-viral and low-haze automotive interior polypropylene material is prepared by the following steps:
firstly, 22 parts of special polypropylene BX3800, 50 parts of special polypropylene BX3900, 8 parts of special toughening agent INFUSE 9077, 5 parts of special toughening agent INFUSE 9107, 7 parts of filler AH51210, 8 parts of filler HTPultra5L, 0.3 part of antiviral agent T112, 0.3 part of antiviral agent IKM50G, 0.12 part of nucleating agent NA-21, 0.08 part of lubricant BS-2818, 0.09 part of antioxidant (SONOX 1010: SONOX168= 2) are weighed and mixed in a high-speed mixer for 5.8 minutes, wherein the rotating speed of the high-speed mixer is 655 revolutions per minute. And adding the mixed particles into a 75D co-rotating twin-screw extruder for melt extrusion, granulation, drying, cooling and packaging. The temperature of the twin-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ in sequence from the feeding section to the head. Double vacuum adsorption is adopted to remove volatile components, and the vacuum degree is required to be less than or equal to-0.08 MPa.
Example 6
In an embodiment of the anti-viral and low-haze automotive interior polypropylene material of the present invention, the anti-viral and low-haze automotive interior polypropylene material is prepared by the following steps:
firstly, 20 parts of special polypropylene BX3800, 60 parts of special polypropylene BX3900, 11 parts of special toughening agent INFUSE 9500, 6 parts of special toughening agent INFUSE9100, 9 parts of filler AH51210, 13 parts of filler HTPultra5L, 0.4 part of antiviral nano-zinc oxide, 0.3 part of antiviral IKM50G, 0.18 part of nucleating agent NA-21, 0.09 part of lubricant BS-3818 and 0.24 part of antioxidant (SONOX 1010: SONOX168= 2) are weighed and mixed in a high-speed mixer for 7.2 minutes, wherein the rotating speed of the high-speed mixer is 786 revolutions per minute. And adding the mixed particles into a 75D co-rotating double-screw extruder for melt extrusion, granulation, drying, cooling and packaging. The temperature of the twin-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ from the feeding section to the head in sequence. Double vacuum adsorption is adopted to remove volatile components, and the vacuum degree is required to be less than or equal to-0.08 MPa.
Example 7
The filler was AH51210 (D50 =6 μm talc) as in example 1, except that the filler was selected differently from example 1.
The selection of ingredients and contents in specific examples 1-7 and comparative examples 1-2 are shown in table 1, and the performance data are shown in table 2:
TABLE 1 ingredients and contents in examples 1 to 7 and comparative examples 1 to 2
TABLE 2 Performance data for examples 1-7 and comparative examples 1-2
As can be seen from the table 2, the special polypropylene and antiviral agent are selected to prepare the high-haze high-antiviral polypropylene composite material, so that the requirements of low haze and high antiviral performance of most interior decorations of a host factory are met, the haze is less than 6%, and the antiviral effect can reach more than 95%.
Comparing example 2 with example 1, it can be seen that the toughening agent in example 2 is ENGAGE8842 (melting point 38 ℃), and the atomization performance, mechanical performance and antiviral effect in example 2 are all inferior to those in example 1; comparing example 3 with example 1, it can be seen that the process of example 3 adopts single vacuum adsorption to devolatilize, the vacuum degree is-0.04 MPa, and the atomization performance, mechanical performance and antiviral effect of example 3 are inferior to those of example 1; comparing example 7 with example 1, it can be seen that the talc powder D50=6 μm in example 7, and both the mechanical properties and the antiviral effect of example 1 are better than those of example 7; comparing comparative example 1 with example 1, it can be seen that comparative example 1 does not contain an antiviral agent, and the atomization performance, mechanical performance and antiviral effect are inferior to those of example 1; comparing comparative example 2 with example 1, it can be seen that the haze of the polypropylene in comparative example 2 is more than 15%, and the fogging performance, the mechanical performance and the antiviral effect are not as good as those of example 1.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. An antiviral low-haze automotive interior polypropylene material is characterized by comprising the following components in parts by weight: 55 to 80 parts of polypropylene, 10 to 20 parts of flexibilizer, 10 to 25 parts of filler, 0.4 to 0.8 part of antiviral agent, 0.05 to 0.2 part of nucleating agent, 0.05 to 0.2 part of lubricant and 0.05 to 0.3 part of antioxidant; the haze of the polypropylene is not more than 15%; the antiviral agent is at least one of a silver ion antibacterial agent, a zinc ion antibacterial agent and nano zinc oxide;
the toughening agent is an ethylene-octene block copolymer with a melting point of not less than 118 ℃;
the filler is talcum powder, and the particle size D50 of the filler is 6-9 mu m.
2. The antiviral, low haze automotive interior polypropylene material of claim 1, wherein said silver ion antimicrobial agent is at least one of a glass carrier silver ion antimicrobial agent, a zirconium phosphate carrier silver ion antimicrobial agent; the zinc ion antibacterial agent is at least one of a glass carrier zinc ion antibacterial agent and a zirconium phosphate carrier zinc ion antibacterial agent.
3. The antiviral, low haze automotive interior polypropylene material of claim 1 wherein said nucleating agent is an aryl phosphate salt polypropylene alpha crystal nucleating agent.
4. The antiviral, low-haze automotive interior polypropylene material according to claim 1, wherein said lubricant is a stearate-based lubricant.
5. The antiviral, low haze automotive interior polypropylene material of claim 1 wherein said antioxidant is a combination of hindered phenolic and phosphite antioxidants.
6. A method for preparing the antiviral low-haze automotive interior polypropylene material according to any one of claims 1 to 5, wherein the method comprises:
adding the components into a high-speed mixer to mix for 5-10 minutes to obtain a mixture, and then adding the mixture into a co-rotating double-screw extruder to perform melt extrusion, granulation, drying, cooling and packaging to obtain the anti-virus and low-haze automotive interior polypropylene material; wherein the rotating speed of the high-speed mixer is 600-800 r/min, and the temperature of the double-screw extruder is 170 ℃, 200 ℃, 210 ℃, 205 ℃, 200 ℃ and 200 ℃ from the feeding section to the head.
7. The process for preparing an antiviral, low-haze polypropylene material for automotive interiors as claimed in claim 6, wherein the devolatilization is carried out by double vacuum adsorption at a vacuum degree of not more than-0.08 MPa.
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| CN112538217B (en) * | 2020-12-09 | 2023-05-09 | 武汉金发科技有限公司 | Polypropylene composite material and preparation method thereof |
| CN114685898B (en) * | 2020-12-26 | 2023-11-24 | 上海汽车集团股份有限公司 | Application of antibacterial modified material in automotive interior parts |
| CN114058115B (en) * | 2021-08-31 | 2023-06-06 | 成都金发科技新材料有限公司 | Antibacterial and antiviral high-impact polypropylene composition and preparation method and application thereof |
| CN114106456B (en) * | 2021-09-24 | 2023-11-10 | 浙江兴越材料技术有限公司 | Low-density low-shrinkage high-gloss polypropylene compound, preparation method thereof and product thereof |
| CN115011031A (en) * | 2022-05-20 | 2022-09-06 | 南京金杉汽车工程塑料有限责任公司 | Preparation method of antibacterial polypropylene interior material for automobile |
| WO2024045165A1 (en) * | 2022-09-02 | 2024-03-07 | Dow Global Technologies Llc | Ethylene/alpha-olefin multi-block interpolymer-based compositions with excellent bally flex resistance |
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| CN101089038B (en) * | 2007-06-08 | 2010-12-22 | 深圳市科聚新材料有限公司 | Antibacterial polypropylene material and its preparation 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 |
| CN104530565B (en) * | 2014-12-29 | 2017-04-26 | 广州市聚赛龙工程塑料股份有限公司 | Antibacterial spraying-free polypropylene composite material as well as preparation method and application thereof |
| 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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