CN104562448A - Multi-walled carbon nanotube-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile - Google Patents
Multi-walled carbon nanotube-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile Download PDFInfo
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- CN104562448A CN104562448A CN201510002590.6A CN201510002590A CN104562448A CN 104562448 A CN104562448 A CN 104562448A CN 201510002590 A CN201510002590 A CN 201510002590A CN 104562448 A CN104562448 A CN 104562448A
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- walled carbon
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- absorbing material
- polypropylene
- automobile
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- 239000000839 emulsion Substances 0.000 title claims abstract description 35
- 239000011358 absorbing material Substances 0.000 title claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 23
- 239000004814 polyurethane Substances 0.000 title claims abstract description 23
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 17
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 17
- -1 polypropylene Polymers 0.000 title claims abstract description 11
- 239000002131 composite material Substances 0.000 title claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 10
- 229910052799 carbon Inorganic materials 0.000 title claims description 10
- 238000005034 decoration Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000002048 multi walled nanotube Substances 0.000 claims abstract description 8
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 7
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 5
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000611 Zinc aluminium Inorganic materials 0.000 claims abstract description 4
- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 4
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 4
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 18
- 239000012752 auxiliary agent Substances 0.000 claims description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 235000006708 antioxidants Nutrition 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/49—Oxides or hydroxides of elements of Groups 8, 9,10 or 18 of the Periodic Table; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/262—Sulfated compounds thiosulfates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to a nonwoven acoustic absorbing material, and specifically relates to a multi-walled carbon nanotube -polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of an automobile. The material is prepared from the following raw materials in parts by weight: 12 to 15 parts of polyvinyl chloride, 15 to 20 parts of 325-400-mesh hydroxyapatite, 6 to 8 parts of polymethyl methacrylate, 2 to 3 parts of silane coupling agent, 20 to 25 parts of polypropylene, 0.1 to 0.2 part of antioxidant 1076, 0.1 to 0.2 part of antioxidant DLTP, 0.2 to 0.3 part of dioctyldilauryltin, 0.8 to 1 part of multi-walled carbon nanotube, 0.2 to 0.3 part of zinc aluminum alloy micro powder, 10 to 14 parts of 8 to 10% in solid content of waterborne polyurethane emulsion, and 1 to 2 parts of additive. The modified polypropylene nonwoven material remains the advantage of the traditional polypropylene nonwoven material; the mechanical performance is improved; tearing is difficultly caused; the heat stability is improved; the surface intensity of a fiber mesh is improved; the radiating and heat transfer are sped up, which is beneficial for acoustic wave absorbing and attenuation; the noise reduction effect is obvious; the polypropylene nonwoven material is light in mass, firm, and durable, does not pollute the inside environment of the automobile, and is a practical acoustic absorbing material for the automobile.
Description
Technical field
The present invention relates to a kind of non-woven sound-absorbing material, be specifically related to a kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions.
Background technology
Automobile start with car in driving process in can produce various dynamic noise, these noises directly concern comfort level and the hearing health of rider, excessive noise even can disturb driver attention, affect safe driving, therefore effectively reduce the noise in compartment, build quiet, healthy driving and take environment and seem particularly important.And noise in car will be reduced depend primarily on the design of car body itself, material and interior trim sound-absorbing material, be also comparatively efficient a kind of noise reduction means while that the sound insulation and noise reduction material wherein designing high-quality being the most common.
The polypropylene-base composite nonwoven material obtained with meltblown is with its ultra-fine fibre structure, produce simple efficient, the feature such as nontoxic becomes the sound-absorbing material of class extensive use in automotive trim, the most short texture of these materials, smooth fibrous outer reduces the specific area of material, thus sound wave oscillatory extinction transformation time is in the material shortened, do not reach gratifying sound-absorbing effect, noise reduction is promoted often through increase material thickness when reality uses, finished product exists yielding simultaneously, anti-resilience is poor, easy generation electrostatic, the shortcomings such as poor heat resistance.
Summary of the invention
The object of the invention is to, for the deficiency of current material, provide a kind of novel non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, this material has larger specific area, in structure, comparatively traditional non-woven materials is more tight, and noise reduction is obvious; To achieve these goals, the technical solution used in the present invention is as follows:
A kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, it is characterized in that: described sound-absorbing material is made up of the raw material of following weight portion: polyvinyl chloride 12-15, 325-400 order hydroxyapatite 15-20, polymethyl methacrylate 6-8, silane coupler 2-3, polypropylene 20-25, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, multi-walled carbon nano-tubes 0.8-1, allumen micro mist 0.2-0.3, solid content is the aqueous polyurethane emulsion 10-14 of 8-10%, auxiliary agent 1-2,
Described auxiliary agent is made up of the raw material of following weight portion: 400-500 order fine hair powder 1-2, lauryl sodium sulfate 0.5-0.6, propylene glycol 3-5, solid content are aerosil colloidal sol 4-5, nano-nickel oxide 0.6-0.8, the water 10-12 of 15-20%, preparation method is: first drop in water by propylene glycol, lauryl sodium sulfate, be stirred to after material dissolves dispersion completely, add other leftover materials again, high-speed stirred is dispersed in the solution to fine hair powder, nano-nickel oxide, obtains the composite modified auxiliary agent of polyaminoester emulsion.
Described allumen Powder Particle Size is 425-600 order, and the mass fraction of Qi Zhongxin, aluminium is respectively 10-15%, 85-90%.
Described a kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first multi-walled carbon nano-tubes, zinc aluminium alloy powder, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 50-60min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) hydroxylapatite powder and silane coupler mixed grinding are disperseed 1.5-2h, gained material mixes with other leftover materials, stirs in rear input double screw extruder and melt extrude granulation at 170-180 DEG C of temperature, obtains modified polypropene base master batch;
(3) the modified polypropene base master batch of step (2) gained is dropped into melting at 180-200 DEG C in screw extruder, melt is the meltblown beam spinneret orifice ejection of 230-250 DEG C through temperature, and stretch under the high velocity, hot air stream effect of 250-280 DEG C laggard enter receiving system, being gathered on the reception device after net until filament uniformly sprays in silk screen by complex emulsions prepared by step (1), solidifies until polyurethane complex emulsions the polypropylene-base nonwoven material that to get product after drying completely.
Beneficial effect of the present invention is, the advantage of conventional polypropylene nonwoven material has been acted on through the fibre web material that obtains of composite modified polypropylene base master batch spray silk, and its mechanical property improves, not easily tear, heat endurance improves, and the polyurethane complex emulsions of preparation is after the coated solidification of fiber surface, the material wherein adulterated makes fibre web surface strength promote, heat radiation heat conduction is accelerated, and be more conducive to wave absorption decay, noise reduction is obvious; Sound-absorbing material light weight prepared by the present invention is tough and tensile, durable in use, does not pollute environment inside car, is a kind of automobile-used sound-absorbing material of novel practical.
Detailed description of the invention
Embodiment
A kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, is characterized in that: described sound-absorbing material is made up of the raw material of following weight portion: polyvinyl chloride 14,400 order hydroxyapatite 18, polymethyl methacrylate 8, silane coupler 3, polypropylene 24, antioxidant 1076 0.1, anti-oxidant DLTP 0.2, Bis(lauroyloxy)dioctyltin 0.3, multi-walled carbon nano-tubes 0.8, allumen micro mist 0.2, solid content are aqueous polyurethane emulsion 12, the auxiliary agent 1.5 of 8%;
Wherein auxiliary agent is made up of the raw material of following weight portion: 500 order fine hair powder 2, lauryl sodium sulfate 0.6, propylene glycol 5, solid content are aerosil colloidal sol 4, nano-nickel oxide 0.7, the water 12 of 20%, preparation method is: first drop in water by propylene glycol, lauryl sodium sulfate, be stirred to after material dissolves dispersion completely, add other leftover materials again, high-speed stirred is dispersed in the solution to fine hair powder, nano-nickel oxide, obtains the composite modified auxiliary agent of polyaminoester emulsion.
Wherein allumen Powder Particle Size is 425 orders, and the mass fraction of Qi Zhongxin, aluminium is respectively 15%, 85%.
A kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first multi-walled carbon nano-tubes, zinc aluminium alloy powder, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 60min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) hydroxylapatite powder and silane coupler mixed grinding are disperseed 1.8h, gained material mixes with other leftover materials, stirs in rear input double screw extruder and melt extrude granulation at 180 DEG C of temperature, obtains modified polypropene base master batch;
(3) the modified polypropene base master batch of step (2) gained is dropped into melting at 185 DEG C in screw extruder, melt is the meltblown beam spinneret orifice ejection of 240 DEG C through temperature, and stretch under the high velocity, hot air stream effect of 265 DEG C laggard enter receiving system, being gathered on the reception device after net until filament uniformly sprays in silk screen by complex emulsions prepared by step (1), solidifies until polyurethane complex emulsions the polypropylene-base nonwoven material that to get product after drying completely.
The sound-absorbing material obtained by the present embodiment is prepared into the thick thin layer of 8mm, and its surface density is: 370g/m
-2; Longitudinal tensile strength (N. (5cm)
-1) be: 63.5.
Its sound absorption qualities test result is:
| Frequency of sound wave | 100Hz | 200Hz | 500Hz | 1KHz | 2KHz | 3KHz | 4KHz | 5KHz |
| Acoustic absorptivity | 0.02 | 0.05 | 0.10 | 0.36 | 0.60 | 0.74 | 0.85 | 0.86 |
Claims (3)
1. automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, it is characterized in that: described sound-absorbing material is made up of the raw material of following weight portion: polyvinyl chloride 12-15, 325-400 order hydroxyapatite 15-20, polymethyl methacrylate 6-8, silane coupler 2-3, polypropylene 20-25, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, multi-walled carbon nano-tubes 0.8-1, allumen micro mist 0.2-0.3, solid content is the aqueous polyurethane emulsion 10-14 of 8-10%, auxiliary agent 1-2,
Described auxiliary agent is made up of the raw material of following weight portion: 400-500 order fine hair powder 1-2, lauryl sodium sulfate 0.5-0.6, propylene glycol 3-5, solid content are aerosil colloidal sol 4-5, nano-nickel oxide 0.6-0.8, the water 10-12 of 15-20%, preparation method is: first drop in water by propylene glycol, lauryl sodium sulfate, be stirred to after material dissolves dispersion completely, add other leftover materials again, high-speed stirred is dispersed in the solution to fine hair powder, nano-nickel oxide, obtains the composite modified auxiliary agent of polyaminoester emulsion.
2. a kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions as claimed in claim 1, it is characterized in that: described allumen Powder Particle Size is 425-600 order, and the mass fraction of Qi Zhongxin, aluminium is respectively 10-15%, 85-90%.
3. a kind of automotive trim multi-walled carbon nano-tubes-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions as claimed in claim 1, the preparation method of this material is as follows:
(1) first multi-walled carbon nano-tubes, zinc aluminium alloy powder, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 50-60min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) hydroxylapatite powder and silane coupler mixed grinding are disperseed 1.5-2h, gained material mixes with other leftover materials, stirs in rear input double screw extruder and melt extrude granulation at 170-180 DEG C of temperature, obtains modified polypropene base master batch;
(3) the modified polypropene base master batch of step (2) gained is dropped into melting at 180-200 DEG C in screw extruder, melt is the meltblown beam spinneret orifice ejection of 230-250 DEG C through temperature, and stretch under the high velocity, hot air stream effect of 250-280 DEG C laggard enter receiving system, being gathered on the reception device after net until filament uniformly sprays in silk screen by complex emulsions prepared by step (1), solidifies until polyurethane complex emulsions the polypropylene-base nonwoven material that to get product after drying completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002590.6A CN104562448B (en) | 2015-01-05 | 2015-01-05 | A kind of automotive trim coats the non-woven sound-absorbing material of polypropylene-base with multi-walled carbon nano-tubes polyurethane complex emulsions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002590.6A CN104562448B (en) | 2015-01-05 | 2015-01-05 | A kind of automotive trim coats the non-woven sound-absorbing material of polypropylene-base with multi-walled carbon nano-tubes polyurethane complex emulsions |
Publications (2)
| Publication Number | Publication Date |
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Cited By (7)
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| CN104845036A (en) * | 2015-06-09 | 2015-08-19 | 李平兰 | Decorating interior sound insulation material |
| CN105133343A (en) * | 2015-09-17 | 2015-12-09 | 芜湖跃飞新型吸音材料股份有限公司 | Nano-zinc oxide-polyurethane emulsion-coated polypropylene-based non-woven sound absorbing material for automotive trim |
| CN105155276A (en) * | 2015-08-25 | 2015-12-16 | 安徽省中日农业环保科技有限公司 | Bamboo charcoal powder-polyurethane composite emulsion coated polypropylene based nonwoven acoustic material for automotive interiors |
| CN105220359A (en) * | 2015-08-25 | 2016-01-06 | 安徽省中日农业环保科技有限公司 | The non-woven pro-skin sound-absorbing material of a kind of automotive trim fibroin-coated polypropylene-base of polyurethane complex emulsions |
| CN105803791A (en) * | 2016-04-21 | 2016-07-27 | 安徽皖翎羽绒制品有限公司 | Water-borne polyurethane coating agent containing carbon nanotube-superfine down composite fibers |
| CN106189988A (en) * | 2016-07-14 | 2016-12-07 | 江苏必康制药股份有限公司 | A kind of Graphene modification glue and its production and use |
| CN113089335A (en) * | 2021-04-17 | 2021-07-09 | 淄博大洋阻燃制品有限公司 | Noise reduction wall cloth with sound absorption and insulation functions and preparation method thereof |
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| CN104845036A (en) * | 2015-06-09 | 2015-08-19 | 李平兰 | Decorating interior sound insulation material |
| CN104845036B (en) * | 2015-06-09 | 2016-03-23 | 李平兰 | A kind of decoration interior sound insulation material |
| CN105155276A (en) * | 2015-08-25 | 2015-12-16 | 安徽省中日农业环保科技有限公司 | Bamboo charcoal powder-polyurethane composite emulsion coated polypropylene based nonwoven acoustic material for automotive interiors |
| CN105220359A (en) * | 2015-08-25 | 2016-01-06 | 安徽省中日农业环保科技有限公司 | The non-woven pro-skin sound-absorbing material of a kind of automotive trim fibroin-coated polypropylene-base of polyurethane complex emulsions |
| CN105133343A (en) * | 2015-09-17 | 2015-12-09 | 芜湖跃飞新型吸音材料股份有限公司 | Nano-zinc oxide-polyurethane emulsion-coated polypropylene-based non-woven sound absorbing material for automotive trim |
| CN105803791A (en) * | 2016-04-21 | 2016-07-27 | 安徽皖翎羽绒制品有限公司 | Water-borne polyurethane coating agent containing carbon nanotube-superfine down composite fibers |
| CN106189988A (en) * | 2016-07-14 | 2016-12-07 | 江苏必康制药股份有限公司 | A kind of Graphene modification glue and its production and use |
| CN113089335A (en) * | 2021-04-17 | 2021-07-09 | 淄博大洋阻燃制品有限公司 | Noise reduction wall cloth with sound absorption and insulation functions and preparation method thereof |
| CN113089335B (en) * | 2021-04-17 | 2023-03-10 | 淄博大洋阻燃制品有限公司 | Noise reduction wall cloth with sound absorption and insulation functions and preparation method thereof |
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Denomination of invention: Polypropylene based nonwoven sound absorption material coated with multi wall carbon nanotubes polyurethane composite lotion for automobile interior Effective date of registration: 20230907 Granted publication date: 20170707 Pledgee: Wuhu Yangzi rural commercial bank Limited by Share Ltd. Pledgor: WUHU HUANRUI AUTO INTERIOR DECORATION Co.,Ltd. Registration number: Y2023980055637 |