CN113956807A - Foam for automobile air pipe - Google Patents
Foam for automobile air pipe Download PDFInfo
- Publication number
- CN113956807A CN113956807A CN202011628261.XA CN202011628261A CN113956807A CN 113956807 A CN113956807 A CN 113956807A CN 202011628261 A CN202011628261 A CN 202011628261A CN 113956807 A CN113956807 A CN 113956807A
- Authority
- CN
- China
- Prior art keywords
- parts
- foam
- prepared
- automobile air
- titanium dioxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000006260 foam Substances 0.000 title claims abstract description 63
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000002994 raw material Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 239000000853 adhesive Substances 0.000 claims abstract description 23
- 239000004088 foaming agent Substances 0.000 claims abstract description 19
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims abstract description 12
- 239000004743 Polypropylene Substances 0.000 claims abstract description 12
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000004927 clay Substances 0.000 claims abstract description 12
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 12
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 12
- -1 polypropylene Polymers 0.000 claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 12
- 239000004814 polyurethane Substances 0.000 claims abstract description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 33
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 22
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 21
- 239000007822 coupling agent Substances 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 14
- 239000011259 mixed solution Substances 0.000 claims description 14
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000004115 Sodium Silicate Substances 0.000 claims description 11
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 claims description 11
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims description 11
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 11
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 11
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 11
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 11
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 11
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 11
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 239000004156 Azodicarbonamide Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 7
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- 235000006408 oxalic acid Nutrition 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- 230000035939 shock Effects 0.000 abstract description 5
- 230000000052 comparative effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/26—Porous or cellular plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/24—Presence of a foam
- C09J2400/243—Presence of a foam in the substrate
Abstract
The invention discloses foam for an automobile air duct, which comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive; the foam is prepared from the following raw materials in parts by weight: 35-42 parts of polymethyl methacrylate, 12-16 parts of polyurethane, 10-15 parts of ethylene propylene rubber, 7-10 parts of polypropylene, 6-10 parts of modified titanium dioxide, 5-8 parts of clay, 2-6 parts of barium stearate, 4-8 parts of foaming agent and 1-2.5 parts of accelerator. The foam for the automobile air pipe has good impact resistance and bonding property; the foam is improved, so that the impact resistance is obviously improved, and the adhesive is improved, so that the bonding capacity is obviously improved; the prepared modified titanium dioxide can obviously improve the shock resistance.
Description
Technical Field
The invention relates to the technical field of materials for automobile air pipes, in particular to foam for automobile air pipes.
Background
The foam is light, soft, elastic and difficult to transfer heat, has the characteristics of shock resistance, impact mitigation, heat preservation, heat insulation, sound absorption, shock absorption, flame retardance, static prevention, good air permeability and the like, and is widely applied to various industries including the electronic industry, the automobile industry, the battery industry, the cosmetic industry, the high-end furniture manufacturing industry and the like.
Generally, gaps are left among parts of the automobile, wherein the air pipe and the static part are at least 6mm, the air pipe and the moving part are at least 10mm, and foam for buffering and sealing can be added at the position where vibration at the joint of the air pipe and the air outlet can generate abnormal sound. The existing air pipe pasting mode is mainly divided into a manual pasting mode or a mechanical pasting mode; the mechanical mode is mainly to adopt a foam pasting machine to paste foam, and the mode has higher cost, is difficult to perfectly paste at a hidden concave position or an irregular surface of an air pipe and has certain limitation; the manual pasting mode is to directly use glue or compound glue to be pasted on the surface of the air pipe, but the bad phenomenon that foam is easy to deform exists, and the pasting mode provided by the invention mainly solves the problem that the foam is easy to deform when being pasted on the air pipe.
Disclosure of Invention
The foam for the automobile air pipe provided by the invention has good impact resistance and bonding property.
The invention adopts the following technical scheme for solving the technical problems:
the foam for the automobile air duct comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 35-42 parts of polymethyl methacrylate, 12-16 parts of polyurethane, 10-15 parts of ethylene propylene rubber, 7-10 parts of polypropylene, 6-10 parts of modified titanium dioxide, 5-8 parts of clay, 2-6 parts of barium stearate, 4-8 parts of foaming agent and 1-2.5 parts of accelerator.
As a preferable scheme, the foam is prepared from the following raw materials in parts by weight: 35-40 parts of polymethyl methacrylate, 13-16 parts of polyurethane, 10-13 parts of ethylene propylene rubber, 8-10 parts of polypropylene, 6-9 parts of modified titanium dioxide, 5-7 parts of clay, 3-6 parts of barium stearate, 4-7 parts of foaming agent and 1-2 parts of accelerator.
As a preferable scheme, the foam is prepared from the following raw materials in parts by weight: 37.5 parts of polymethyl methacrylate, 15 parts of polyurethane, 12 parts of ethylene propylene rubber, 9 parts of polypropylene, 8 parts of modified titanium dioxide, 6 parts of clay, 5 parts of barium stearate, 6 parts of foaming agent and 1.5 parts of accelerator.
Preferably, the foaming agent is azodicarbonamide.
Preferably, the accelerator is an accelerator ZDC.
As a preferable scheme, the preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 6-10 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 6-10 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1: 0.2-0.5, carrying out ultrasonic treatment for 25-40 min, adding 0.05-0.15 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 0.5 to 2.
As a preferred scheme, the impurity removing agent is prepared from the following raw materials in parts by weight: 1-3 parts of oxalic acid, 2-6 parts of hydrogen peroxide, 12-20 parts of concentrated sulfuric acid and 70-85 parts of deionized water.
As a preferable scheme, the adhesive is prepared from the following raw materials in parts by weight: 25-30 parts of isooctyl acrylate, 8-12 parts of ethyl methacrylate, 5-8 parts of dimethyldiethoxysilane, 4-8 parts of 2, 4-toluene diisocyanate, 3-5 parts of pentaerythritol, 2-5 parts of sodium silicate, 2-4 parts of hydroxypropyl methyl cellulose, 16-20 parts of toluene and 20-25 parts of butanone.
As a preferable scheme, the adhesive is prepared from the following raw materials in parts by weight: 26-30 parts of isooctyl acrylate, 8-11 parts of ethyl methacrylate, 5-7 parts of dimethyldiethoxysilane, 4-7 parts of 2, 4-toluene diisocyanate, 3-4 parts of pentaerythritol, 2-4 parts of sodium silicate, 2-3 parts of hydroxypropyl methyl cellulose, 16-19 parts of toluene and 21-25 parts of butanone.
As a preferable scheme, the adhesive is prepared from the following raw materials in parts by weight: 28 parts of isooctyl acrylate, 10 parts of ethyl methacrylate, 6 parts of dimethyldiethoxysilane, 5 parts of 2, 4-toluene diisocyanate, 3.5 parts of pentaerythritol, 3 parts of sodium silicate, 2.5 parts of hydroxypropyl methylcellulose, 18 parts of toluene and 24 parts of butanone.
The invention has the beneficial effects that: (1) the foam for the automobile air pipe has good impact resistance and bonding property; (2) the invention improves the foam to obviously improve the shock resistance, and improves the adhesive to obviously improve the bonding capability; (3) the modified titanium dioxide prepared by the invention can obviously improve the shock resistance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the notation in the figure is: 1. soaking cotton; 2. an adhesive; 3. and (4) release paper.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the parts are all parts by weight unless otherwise specified.
Example 1
The foam for the automobile air duct comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 37.5 parts of polymethyl methacrylate, 15 parts of polyurethane, 12 parts of ethylene propylene rubber, 9 parts of polypropylene, 8 parts of modified titanium dioxide, 6 parts of clay, 5 parts of barium stearate, 6 parts of foaming agent and 1.5 parts of accelerator.
The foaming agent is azodicarbonamide.
The accelerant is an accelerant ZDC.
The preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 9 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 9 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1:0.4, carrying out ultrasonic treatment for 30min, adding 0.1 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 1.
The impurity removing agent is prepared from the following raw materials in parts by weight: 2 parts of oxalic acid, 5 parts of hydrogen peroxide, 14 parts of concentrated sulfuric acid and 79 parts of deionized water.
The adhesive is prepared from the following raw materials in parts by weight: 28 parts of isooctyl acrylate, 10 parts of ethyl methacrylate, 6 parts of dimethyldiethoxysilane, 5 parts of 2, 4-toluene diisocyanate, 3.5 parts of pentaerythritol, 3 parts of sodium silicate, 2.5 parts of hydroxypropyl methylcellulose, 18 parts of toluene and 24 parts of butanone.
Example 2
The foam for the automobile air duct comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 35 parts of polymethyl methacrylate, 12 parts of polyurethane, 10 parts of ethylene propylene rubber, 7 parts of polypropylene, 6 parts of modified titanium dioxide, 5 parts of clay, 2 parts of barium stearate, 4 parts of foaming agent and 1 part of accelerator.
The foaming agent is azodicarbonamide.
The accelerant is an accelerant ZDC.
The preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 9 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 9 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1:0.4, carrying out ultrasonic treatment for 30min, adding 0.1 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 1.
The impurity removing agent is prepared from the following raw materials in parts by weight: 2 parts of oxalic acid, 5 parts of hydrogen peroxide, 14 parts of concentrated sulfuric acid and 79 parts of deionized water.
The adhesive is prepared from the following raw materials in parts by weight: 28 parts of isooctyl acrylate, 10 parts of ethyl methacrylate, 6 parts of dimethyldiethoxysilane, 5 parts of 2, 4-toluene diisocyanate, 3.5 parts of pentaerythritol, 3 parts of sodium silicate, 2.5 parts of hydroxypropyl methylcellulose, 18 parts of toluene and 24 parts of butanone.
Example 3
The foam for the automobile air duct comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 40 parts of polymethyl methacrylate, 13 parts of polyurethane, 15 parts of ethylene propylene rubber, 10 parts of polypropylene, 7 parts of modified titanium dioxide, 8 parts of clay, 6 parts of barium stearate, 8 parts of foaming agent and 2.5 parts of accelerator.
The foaming agent is azodicarbonamide.
The accelerant is an accelerant ZDC.
The preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 9 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 9 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1:0.4, carrying out ultrasonic treatment for 30min, adding 0.1 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 1.
The impurity removing agent is prepared from the following raw materials in parts by weight: 2 parts of oxalic acid, 5 parts of hydrogen peroxide, 14 parts of concentrated sulfuric acid and 79 parts of deionized water.
The adhesive is prepared from the following raw materials in parts by weight: 28 parts of isooctyl acrylate, 10 parts of ethyl methacrylate, 6 parts of dimethyldiethoxysilane, 5 parts of 2, 4-toluene diisocyanate, 3.5 parts of pentaerythritol, 3 parts of sodium silicate, 2.5 parts of hydroxypropyl methylcellulose, 18 parts of toluene and 24 parts of butanone.
Example 4
The foam for the automobile air duct comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 37.5 parts of polymethyl methacrylate, 15 parts of polyurethane, 12 parts of ethylene propylene rubber, 9 parts of polypropylene, 8 parts of modified titanium dioxide, 6 parts of clay, 5 parts of barium stearate, 6 parts of foaming agent and 1.5 parts of accelerator.
The foaming agent is azodicarbonamide.
The accelerant is an accelerant ZDC.
The preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 9 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 9 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1:0.4, carrying out ultrasonic treatment for 30min, adding 0.1 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 1.
The impurity removing agent is prepared from the following raw materials in parts by weight: 2 parts of oxalic acid, 5 parts of hydrogen peroxide, 14 parts of concentrated sulfuric acid and 79 parts of deionized water.
The adhesive is prepared from the following raw materials in parts by weight: 25 parts of isooctyl acrylate, 8 parts of ethyl methacrylate, 5 parts of dimethyldiethoxysilane, 4 parts of 2, 4-toluene diisocyanate, 3 parts of pentaerythritol, 2 parts of sodium silicate, 2 parts of hydroxypropyl methylcellulose, 16 parts of toluene and 20 parts of butanone.
Example 5
The foam for the automobile air duct comprises foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 37.5 parts of polymethyl methacrylate, 15 parts of polyurethane, 12 parts of ethylene propylene rubber, 9 parts of polypropylene, 8 parts of modified titanium dioxide, 6 parts of clay, 5 parts of barium stearate, 6 parts of foaming agent and 1.5 parts of accelerator.
The foaming agent is azodicarbonamide.
The accelerant is an accelerant ZDC.
The preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 9 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 9 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1:0.4, carrying out ultrasonic treatment for 30min, adding 0.1 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 1.
The impurity removing agent is prepared from the following raw materials in parts by weight: 2 parts of oxalic acid, 5 parts of hydrogen peroxide, 14 parts of concentrated sulfuric acid and 79 parts of deionized water.
The adhesive is prepared from the following raw materials in parts by weight: 26 parts of isooctyl acrylate, 9 parts of ethyl methacrylate, 7 parts of dimethyldiethoxysilane, 5 parts of 2, 4-toluene diisocyanate, 4.5 parts of pentaerythritol, 3 parts of sodium silicate, 2.5 parts of hydroxypropyl methylcellulose, 18 parts of toluene and 22 parts of butanone.
Comparative example 1
Comparative example 1 differs from example 1 in that comparative example 1 does not contain the modified titanium dioxide, and the other is the same.
Comparative example 2
Comparative example 2 is different from example 1 in that comparative example 2 replaces the modified titanium dioxide with titanium dioxide, and the others are the same.
Comparative example 3
Comparative example 3 is different from example 1 in that the modified titania described in comparative example 3 is prepared by the same method as example 1, but otherwise.
The preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 9 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, mixing the suspension and the carbon nano tube according to the weight ratio of 1:0.4, carrying out ultrasonic treatment for 30min, adding 0.1 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 1.
To further demonstrate the effect of the present invention, the following test methods were provided:
1. the foam is prepared according to the conventional method, the performance of the foam is tested, and the test result is shown in table 1.
TABLE 1 test results
As can be seen from Table 1, the foam for the automobile air duct of the present invention has impact resistance and adhesive property.
As can be seen from comparative examples 1-3, the impact resistance can be affected by the proportion of different foams, wherein example 1 is the best proportion.
It can be seen from comparison of examples 1, 4 and 5 that different adhesive ratios can affect the adhesive properties, with example 1 being the best ratio.
As can be seen from comparison of example 1 with comparative examples 1 and 2, the modified titanium dioxide can significantly improve the impact resistance.
As can be seen from the comparison of example 1 with comparative example 3, the impact resistance can be affected by different methods of modifying titanium dioxide, and the impact resistance is significantly reduced when the method of preparing modified titanium dioxide described in example 1 is replaced.
In light of the foregoing description of preferred embodiments according to the invention, it is clear that many changes and modifications can be made by the person skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The foam for the automobile air duct is characterized by comprising foam and release paper, wherein the foam and the release paper are glued through an adhesive;
the foam is prepared from the following raw materials in parts by weight: 35-42 parts of polymethyl methacrylate, 12-16 parts of polyurethane, 10-15 parts of ethylene propylene rubber, 7-10 parts of polypropylene, 6-10 parts of modified titanium dioxide, 5-8 parts of clay, 2-6 parts of barium stearate, 4-8 parts of foaming agent and 1-2.5 parts of accelerator.
2. The foam for the automobile air duct according to claim 1, wherein the foam is prepared from the following raw materials in parts by weight: 35-40 parts of polymethyl methacrylate, 13-16 parts of polyurethane, 10-13 parts of ethylene propylene rubber, 8-10 parts of polypropylene, 6-9 parts of modified titanium dioxide, 5-7 parts of clay, 3-6 parts of barium stearate, 4-7 parts of foaming agent and 1-2 parts of accelerator.
3. The foam for the automobile air duct according to claim 1, wherein the foam is prepared from the following raw materials in parts by weight: 37.5 parts of polymethyl methacrylate, 15 parts of polyurethane, 12 parts of ethylene propylene rubber, 9 parts of polypropylene, 8 parts of modified titanium dioxide, 6 parts of clay, 5 parts of barium stearate, 6 parts of foaming agent and 1.5 parts of accelerator.
4. The foam for the automobile air duct according to claim 1, wherein the foaming agent is azodicarbonamide.
5. The foam for automobile air ducts according to claim 1, wherein the accelerator is an accelerator ZDC.
6. The foam for the automobile air duct according to claim 1, wherein the preparation method of the modified titanium dioxide comprises the following steps:
s1, adding 1 part of titanium dioxide into 6-10 parts of deionized water, and uniformly dispersing to obtain a suspension;
s2, adding 1 part of carbon fiber into 6-10 parts of impurity removing agent, and dispersing uniformly to obtain a mixed solution;
s3, mixing the suspension and the mixed solution according to the weight ratio of 1: 0.2-0.5, carrying out ultrasonic treatment for 25-40 min, adding 0.05-0.15 part of coupling agent, stirring uniformly, filtering, and drying to obtain the modified titanium dioxide; the coupling agent is prepared from n-octyl triethoxysilane and KH550 in a weight ratio of 1: 0.5 to 2.
7. The foam for the automobile air duct according to claim 6, wherein the impurity removing agent is prepared from the following raw materials in parts by weight: 1-3 parts of oxalic acid, 2-6 parts of hydrogen peroxide, 12-20 parts of concentrated sulfuric acid and 70-85 parts of deionized water.
8. The foam for the automobile air duct according to claim 1, wherein the adhesive is prepared from the following raw materials in parts by weight: 25-30 parts of isooctyl acrylate, 8-12 parts of ethyl methacrylate, 5-8 parts of dimethyldiethoxysilane, 4-8 parts of 2, 4-toluene diisocyanate, 3-5 parts of pentaerythritol, 2-5 parts of sodium silicate, 2-4 parts of hydroxypropyl methyl cellulose, 16-20 parts of toluene and 20-25 parts of butanone.
9. The foam for the automobile air duct according to claim 1, wherein the adhesive is prepared from the following raw materials in parts by weight: 26-30 parts of isooctyl acrylate, 8-11 parts of ethyl methacrylate, 5-7 parts of dimethyldiethoxysilane, 4-7 parts of 2, 4-toluene diisocyanate, 3-4 parts of pentaerythritol, 2-4 parts of sodium silicate, 2-3 parts of hydroxypropyl methyl cellulose, 16-19 parts of toluene and 21-25 parts of butanone.
10. The foam for the automobile air duct according to claim 1, wherein the adhesive is prepared from the following raw materials in parts by weight: 28 parts of isooctyl acrylate, 10 parts of ethyl methacrylate, 6 parts of dimethyldiethoxysilane, 5 parts of 2, 4-toluene diisocyanate, 3.5 parts of pentaerythritol, 3 parts of sodium silicate, 2.5 parts of hydroxypropyl methylcellulose, 18 parts of toluene and 24 parts of butanone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011628261.XA CN113956807A (en) | 2020-12-31 | 2020-12-31 | Foam for automobile air pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628261.XA CN113956807A (en) | 2020-12-31 | 2020-12-31 | Foam for automobile air pipe |
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| CN113956807A true CN113956807A (en) | 2022-01-21 |
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