CN113088003A - Odor improving method for automotive upholstery and cladding piece - Google Patents
Odor improving method for automotive upholstery and cladding piece Download PDFInfo
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- CN113088003A CN113088003A CN202110355607.1A CN202110355607A CN113088003A CN 113088003 A CN113088003 A CN 113088003A CN 202110355607 A CN202110355607 A CN 202110355607A CN 113088003 A CN113088003 A CN 113088003A
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- 238000005253 cladding Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 33
- 239000002808 molecular sieve Substances 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 30
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 150000002500 ions Chemical class 0.000 claims abstract description 23
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 19
- 239000011147 inorganic material Substances 0.000 claims abstract description 19
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000003490 calendering Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- QDCHWIWENYCPIL-UHFFFAOYSA-L disodium;4-hydroxy-5-(2-hydroxy-4-methoxy-5-sulfonatobenzoyl)-2-methoxybenzenesulfonate Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(OC)=CC(O)=C1C(=O)C1=CC(S([O-])(=O)=O)=C(OC)C=C1O QDCHWIWENYCPIL-UHFFFAOYSA-L 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 239000005909 Kieselgur Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000001746 injection moulding Methods 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000035943 smell Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a smell improvement method for automobile interior parts and cladding parts, which is characterized in that hydrophobic modified polar molecular sieves and/or hydrophobic inorganic materials releasing negative ions are added into preparation raw materials of the automobile interior parts and the cladding parts, and the pore diameters of micropores of the hydrophobic modified polar molecular sieves are not less than 12 angstroms; mixing the preparation raw materials of the automotive upholstery and the cladding piece, the hydrophobic modified polar molecular sieve and/or the hydrophobic inorganic material releasing negative ions, then selectively adding diatomite, melting, extruding, granulating and injection molding. According to the odor improving method for the automotive upholstery and the cladding piece, provided by the invention, the hydrophobic modified polar molecular sieve is used for selectively adsorbing micromolecular gas, harmful substances and the like in the polypropylene composite material for the automotive upholstery and the cladding piece, so that the adsorption effect is improved, the odor improving effect is ideal, the air quality is further improved by using the diatomite and the hydrophobic inorganic material releasing negative ions, the environment-friendly and healthy trend is met, and the preparation process is simple.
Description
Technical Field
The invention belongs to the technical field of odor improvement for automotive upholsteries and cladding parts, and particularly relates to an odor improvement method for automotive upholsteries and cladding parts.
Background
With the rapid improvement of national economic level, the quality of life and pursuit of life of people are continuously improved, the environmental protection health consciousness is more and more strong, and the health and environmental protection level of automotive upholstery and cladding becomes one of the key factors whether people buy the automotive upholstery and the cladding. At present, polypropylene materials are more used for interior trim parts and cladding parts in the field of automobiles, but due to the addition of processing aids, the polypropylene materials are inevitable to release pungent peculiar smells or peculiar smells which are not beneficial to human health at high temperature to different degrees, and are questioned by more and more consumers. Therefore, in order to further expand the application of the polypropylene material in the related fields, the research on the odor improvement or control scheme for the automotive upholstery and the cladding has important practical significance.
At present, the way of removing or improving the automotive upholstery and the cladding piece mainly utilizes active carbon, silica gel and the like, but the micropore aperture of the active carbon is different in size, the maximum aperture is up to about 1000 angstroms, gas adsorption is not targeted, other additives can be adsorbed together, other characteristics of the material are influenced, the active carbon has adsorption saturation, odor cannot be thoroughly eliminated, adsorbed micromolecule substances can be released again at high temperature, and the odor control effect is poor.
Disclosure of Invention
In order to solve the problems of the prior art, an object of the present invention is to provide a method for improving odor of an automotive upholstery and a covering.
In order to achieve the purpose and achieve the technical effect, the invention adopts the technical scheme that:
a method for improving odor for automobile interior parts and cladding parts is characterized in that a hydrophobic modified polar molecular sieve and/or a hydrophobic inorganic material releasing negative ions are added into preparation raw materials of the automobile interior parts and the cladding parts, wherein the pore diameter of a micropore of the hydrophobic modified polar molecular sieve is not less than 12 angstroms, and the micropore has a fine mesh size of 150 meshes and 300 meshes; uniformly mixing the preparation raw materials of the automotive upholstery and the cladding piece, the hydrophobic modified polar molecular sieve and/or the hydrophobic inorganic material releasing negative ions at 30-60 ℃, then selectively adding diatomite, melting, extruding, granulating, calendaring and rolling.
Further, the preparation raw materials of the automotive upholstery and the cladding piece comprise the following components in parts by weight:
60-70 parts of polypropylene
5-10 parts of nano titanium dioxide
0-30 parts of 2,2' -dihydroxy-4, 4' -dimethoxy benzophenone-5, 5' -disulfonic acid sodium salt
0.2 to 1.5 portions of age resister
3-15 parts of an auxiliary agent.
Further, the melt flow rate of the polypropylene at 230 ℃ multiplied by 2.16kg is 20-60g/10 min.
Further, the weight ratio of the preparation raw materials of the automotive upholstery and the cladding piece to the hydrophobic modified polar molecular sieve is 1: 0.1-5.
Further, the weight ratio of the preparation raw materials of the automotive upholstery and the covering piece to the hydrophobic inorganic material releasing negative ions is 1: 0-0.5.
Further, the weight ratio of the preparation raw materials of the automotive upholstery and the coating piece to the diatomite is 1: 0-5.
Further, an extruder is adopted for carrying out melting, extruding and granulating processes, and the process parameters are as follows:
the first region 202-206 ℃, the second region 210-214 ℃, the third region 214-220 ℃, the fourth region 210-215 ℃, the fifth region 206-216 ℃ and the sixth region 210-215 ℃; the retention time is 1-2min, and the pressure is not higher than 25 Pa.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a method for improving smell for automobile interior parts and cladding parts, which is characterized in that hydrophobic modified polar molecular sieves and/or hydrophobic inorganic materials releasing negative ions are added into preparation raw materials of the automobile interior parts and the cladding parts, the pore diameters of micropores of the hydrophobic modified polar molecular sieves are not less than 12 angstroms, and the fine meshes are 150 meshes and 300 meshes; uniformly mixing the preparation raw materials of the automotive upholstery and the cladding piece, the hydrophobic modified polar molecular sieve and/or the hydrophobic inorganic material releasing negative ions at 30-60 ℃, then selectively adding diatomite, melting, extruding, granulating, calendaring and rolling. The invention provides a method for improving odor for automobile interior parts and cladding parts, which is characterized in that a hydrophobic modified polar molecular sieve and/or a hydrophobic inorganic material releasing negative ions are added into the preparation raw materials of the automobile interior parts and the cladding parts, the hydrophobic modified polar molecular sieve with the same polarity as polypropylene is used for selectively and pertinently adsorbing small molecular gases, harmful substances and the like in a polypropylene composite material for the automobile interior parts and the cladding parts according to the particle size, the adsorption effect is improved, the purposiveness is strong, the odor improvement effect is ideal, the air quality is further improved by using diatomite and the hydrophobic inorganic material releasing negative ions, the release amount of negative ions is considerable, the development of human health is facilitated, the environment-friendly and healthy trend is met, the obtained finished product has better ageing resistance, and various required physical and chemical properties of the automobile interior parts and the cladding parts can be further improved by adding different additives, the preparation process is simple and is suitable for industrial popularization and application.
Detailed Description
The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to clearly and clearly define the scope of the present invention.
A method for improving odor for automobile interior parts and cladding parts comprises adding hydrophobic modified polar molecular sieve and/or hydrophobic inorganic material releasing negative ions into raw materials for preparing the automobile interior parts and cladding parts, wherein the pore diameter of the hydrophobic modified polar molecular sieve is not less than 12 angstroms, and the fine mesh is 150 meshes and 300 meshes; uniformly mixing the preparation raw materials of the automotive upholstery and the cladding piece, the hydrophobic modified polar molecular sieve and/or the hydrophobic inorganic material releasing negative ions at the temperature of 30-60 ℃, then selectively adding diatomite, and carrying out melting, extruding and granulating processes by adopting an extruder, wherein the process parameters are as follows: the first region 202-206 ℃, the second region 210-214 ℃, the third region 214-220 ℃, the fourth region 210-215 ℃, the fifth region 206-216 ℃ and the sixth region 210-215 ℃; the retention time is 1-2min, and the pressure is not higher than 25 Pa; and then, calendering and rolling.
The preparation raw materials of the automotive upholstery and the cladding piece comprise the following components in parts by weight:
60-70 parts of polypropylene
5-10 parts of nano titanium dioxide
0-30 parts of 2,2' -dihydroxy-4, 4' -dimethoxy benzophenone-5, 5' -disulfonic acid sodium salt
0.2 to 1.5 portions of age resister
3-15 parts of an auxiliary agent.
The melt flow rate of the polypropylene at 230 ℃ multiplied by 2.16kg is 20-60g/10 min.
The weight ratio of the preparation raw materials of the automotive upholstery and the cladding piece to the hydrophobic modified polar molecular sieve is 1: 0.1-5.
The weight ratio of the preparation raw materials of the automotive upholstery and the covering piece to the hydrophobic inorganic material releasing negative ions is 1: 0-0.5.
The weight ratio of the preparation raw materials of the automotive upholstery and the coating piece to the diatomite is 1: 0-5.
Example 1
A method for improving odor of automotive upholstery and cladding parts comprises the steps of adding a hydrophobic modified polar molecular sieve into preparation raw materials of the automotive upholstery and the cladding parts, wherein the pore diameter of micropores of the hydrophobic modified polar molecular sieve is not less than 12 angstroms, and the micropores are 220 meshes; uniformly mixing the preparation raw materials of the automotive upholstery and the cladding piece with the hydrophobic modified polar molecular sieve at 30 ℃, and then carrying out melting, extruding and granulating processes by adopting a double-screw extruder, wherein the process parameters are as follows: 202 ℃ in the first area, 212 ℃ in the second area, 220 ℃ in the third area, 215 ℃ in the fourth area, 215 ℃ in the fifth area and 210 ℃ in the sixth area; the retention time is 1min, and the pressure is not higher than 25 Pa; then calendering and rolling are carried out by adopting the conventional process conditions.
The preparation raw materials of the automotive upholstery and the cladding piece comprise the following components in parts by weight:
60 portions of polypropylene
10 portions of nano titanium dioxide
30 parts of sodium 2,2' -dihydroxy-4, 4' -dimethoxybenzophenone-5, 5' -disulfonate
Anti-aging agent 1.5 parts
And 15 parts of an auxiliary agent.
The melt flow rate of polypropylene at 230 ℃ X2.16 kg was 30g/10 min.
The weight ratio of the preparation raw materials of the automotive upholstery and the cladding piece to the hydrophobic modified polar molecular sieve is 1: 0.1.
example 2
The difference between the embodiment and the embodiment 1 is that the preparation raw materials of the automotive upholstery and the cladding piece comprise the following components in parts by weight:
70 portions of polypropylene
5 parts of nano titanium dioxide
2 parts of 2,2' -dihydroxy-4, 4' -dimethoxy benzophenone-5, 5' -disulfonic acid sodium salt
0.2 part of age resister
And 3 parts of an auxiliary agent.
The weight ratio of the preparation raw materials of the automotive upholstery and the covering piece to the hydrophobic inorganic material releasing negative ions is 1: 0.5.
the weight ratio of the preparation raw materials of the automotive upholstery and the coating piece to the diatomite is 1: 5.
the same as in example 1.
Example 3
The difference between the embodiment and the embodiment 1 is that the preparation raw materials of the automotive upholstery and the cladding piece comprise the following components in parts by weight:
66 portions of polypropylene
8 portions of nano titanium dioxide
28 parts of sodium 2,2' -dihydroxy-4, 4' -dimethoxybenzophenone-5, 5' -disulfonate
Anti-aging agent 1 part
And 10 parts of an auxiliary agent.
The weight ratio of the preparation raw materials of the automotive upholstery and the covering piece to the hydrophobic inorganic material releasing negative ions is 1: 0.2.
the weight ratio of the preparation raw materials of the automotive upholstery and the coating piece to the diatomite is 1: 1.
the same as in example 1.
Comparative example 1
This comparative example differs from example 1 in that comparative example 1 uses a commercially available ordinary molecular sieve instead of the hydrophobically modified polar molecular sieve of example 1, as in example 1.
The odor grade is established according to national standards, the lower the odor grade is, the higher the air quality is, otherwise, the worse the air quality is, grade 1 indicates no odor, grade 2 indicates odor without interference, grade 3 indicates obvious odor without interference, grade 4 indicates interference odor, grade 5 indicates strong interference odor, and grade 6 indicates intolerable odor.
The calculation formula of the volatilization amount of the organic compound of the material is as follows:
material organic compound volatilization amount { (initial mass of material-mass of material after standing under standard conditions)/initial mass of material } × 100%
The higher the numerical value of the volatile amount of the organic compound of the material is, the larger the volatile amount of the organic compound of the material is, and the smaller the volatile amount of the organic compound of the material is.
The automobile interiors and coatings obtained in examples 1 to 3 had odor ratings of 2.5, 2 and 2, respectively, organic compound volatilization amounts of 0.26, 0.20 and 0.22, and negative ion releasing amounts of 0 and 2000 anions/cm, respectively31700 pieces/cm3The odor grade of the comparative example 1 is 4, the volatile amount of the organic compound is up to 0.7%, and the amount of the negative ions which can be released is 0, so that the odor of the automotive upholstery and the covering piece can be better reduced by adding the hydrophobic modified polar molecular sieve, the micropores in the hydrophobic modified polar molecular sieve play a key adsorption role, the hydrophobic modified polar molecular sieve and the hydrophobic inorganic material which can release the negative ions are matched for use, so that the odor adsorption is obvious, the volatile amount of the organic compound is obviously reduced, the negative ions can be released, and the air quality is improved.
The parts of the invention not specifically described can be realized by adopting the prior art, and the details are not described herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A method for improving odor for automobile interior parts and cladding parts is characterized in that hydrophobic modified polar molecular sieves and/or hydrophobic inorganic materials releasing negative ions are added into preparation raw materials of the automobile interior parts and the cladding parts, the pore diameters of micropores of the hydrophobic modified polar molecular sieves are not less than 12 angstroms, and the fine meshes are 150 meshes and 300 meshes; uniformly mixing the preparation raw materials of the automotive upholstery and the cladding piece, the hydrophobic modified polar molecular sieve and/or the hydrophobic inorganic material releasing negative ions at 30-60 ℃, then selectively adding diatomite, melting, extruding, granulating, calendaring and rolling.
2. The method for improving odor of automotive upholstery and automotive upholstery according to claim 1, wherein the automotive upholstery and automotive upholstery are prepared from the following raw materials in parts by weight:
60-70 parts of polypropylene
5-10 parts of nano titanium dioxide
0-30 parts of 2,2' -dihydroxy-4, 4' -dimethoxy benzophenone-5, 5' -disulfonic acid sodium salt
0.2 to 1.5 portions of age resister
3-15 parts of an auxiliary agent.
3. The method of claim 2, wherein the polypropylene has a melt flow rate of 20 to 60g/10min at 230 ℃ x 2.16 kg.
4. The method of claim 1, wherein the weight ratio of the raw materials for preparing the automotive upholstery and the coating material to the hydrophobically modified polar molecular sieve is 1: 0.1-5.
5. The method of claim 1, wherein a weight ratio of the raw material for producing the automotive upholstery and the covering member to the hydrophobic inorganic material that releases negative ions is 1: 0-0.5.
6. The method of claim 1, wherein a weight ratio of the raw material for producing the automotive upholstery and the covering member to the diatomaceous earth is 1: 0-5.
7. The method for improving odor of automotive upholsteries and cladding parts as claimed in claim 1, wherein an extruder is used for carrying out the processes of melting, extruding and granulating, and the process parameters are as follows:
the first region 202-206 ℃, the second region 210-214 ℃, the third region 214-220 ℃, the fourth region 210-215 ℃, the fifth region 206-216 ℃ and the sixth region 210-215 ℃; the retention time is 1-2min, and the pressure is not higher than 25 Pa.
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| CN202110355607.1A CN113088003A (en) | 2021-04-01 | 2021-04-01 | Odor improving method for automotive upholstery and cladding piece |
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| CN202110355607.1A CN113088003A (en) | 2021-04-01 | 2021-04-01 | Odor improving method for automotive upholstery and cladding piece |
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| CN106750997A (en) * | 2016-12-25 | 2017-05-31 | 合肥会通新材料有限公司 | A kind of low odor polypropylene composite material and preparation method thereof |
| CN108440832A (en) * | 2018-02-05 | 2018-08-24 | 青岛国恩科技股份有限公司 | A kind of automotive trim PP composite material and preparation method thereof |
| CN110372955A (en) * | 2019-07-17 | 2019-10-25 | 江苏兴鼎塑料科技有限公司 | A kind of low smell MODIFIED PP plastics and preparation method thereof |
| CN110564047A (en) * | 2018-06-05 | 2019-12-13 | 南京宸旭汽车部件有限公司 | wear-resistant odorless automobile storage box and preparation method thereof |
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- 2021-04-01 CN CN202110355607.1A patent/CN113088003A/en active Pending
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| CN104403204A (en) * | 2014-12-17 | 2015-03-11 | 天津金发新材料有限公司 | Low-VOC (volatile organic compound) polypropylene material as well as preparation method and application thereof |
| CN106750997A (en) * | 2016-12-25 | 2017-05-31 | 合肥会通新材料有限公司 | A kind of low odor polypropylene composite material and preparation method thereof |
| CN108440832A (en) * | 2018-02-05 | 2018-08-24 | 青岛国恩科技股份有限公司 | A kind of automotive trim PP composite material and preparation method thereof |
| CN110564047A (en) * | 2018-06-05 | 2019-12-13 | 南京宸旭汽车部件有限公司 | wear-resistant odorless automobile storage box and preparation method thereof |
| CN110372955A (en) * | 2019-07-17 | 2019-10-25 | 江苏兴鼎塑料科技有限公司 | A kind of low smell MODIFIED PP plastics and preparation method thereof |
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