CN104562450A - Graphene oxide-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile - Google Patents
Graphene oxide-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile Download PDFInfo
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- CN104562450A CN104562450A CN201510002713.6A CN201510002713A CN104562450A CN 104562450 A CN104562450 A CN 104562450A CN 201510002713 A CN201510002713 A CN 201510002713A CN 104562450 A CN104562450 A CN 104562450A
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Abstract
The invention relates to a nonwoven acoustic absorbing material, and specifically relates to a graphene oxide-polyurethane composite emulsion polypropylene 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: 14 to 16 parts of thermoplastic elastomer TPE/ TPR, 22 to 26 parts of polypropylene, 0.6 to 0.8 part of graphene oxide, 1 to 2 parts of silane coupling agent, 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, 6 to 8 parts of polymethyl methacrylate, 20 to 25 parts of 325-400-mesh unformed aluminium silicate micro powder, 12 to 15 parts of 8 to 10% in solid content of waterborne polyurethane emulsion, and 1 to 2 parts of additives. The modified polypropylene nonwoven material remains the advantages of the traditional polypropylene nonwoven material; the mechanical performance is improved; the flexibility and elasticity are high; the tearing is resistant; the surface and intensity of a fiber mesh are increased; the acoustic wave is sped up to attenuate; the noise reduction and noise insulation effects are obvious; the material is light in mass, environmentally friendly, resistant to heat and corrosion, 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 graphene oxide-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 graphene oxide-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: thermoplastic elastomer (TPE) TPE/TPR 14-16, polypropylene 22-26, graphene oxide 0.6-0.8, silane coupler 1-2, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, polymethyl methacrylate 6-8, 325-400 order amorphous silicic aluminium micro mist 20-25, solid content is the aqueous polyurethane emulsion 12-15 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 a kind of automotive trim graphene oxide-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first graphene oxide, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 40-50min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) amorphous silicic aluminium micro mist and silane coupler mixed grinding are disperseed 2-2.5h, gained material mixes with other leftover materials, stir in rear input double screw extruder and melt extrude granulation at 170-180 DEG C of temperature, obtain 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, soft highly-elastic, tear-resistant, and the polyurethane complex emulsions of preparation is after the coated solidification of fiber surface, the material wherein adulterated makes fibre web surface strength and active increase, accelerate the decay of sound wave, noise reduction soundproof effect is obvious; Sound-absorbing material light weight environmental protection prepared by the present invention, heat-and corrosion-resistant is a kind of automobile-used sound-absorbing material of novel practical.
Detailed description of the invention
Embodiment
A kind of automotive trim graphene oxide-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: thermoplastic elastomer (TPE) TPE/TPR 15, polypropylene 24, graphene oxide 0.6, silane coupler 2, antioxidant 1076 0.2, anti-oxidant DLTP 0.2, Bis(lauroyloxy)dioctyltin 0.3, polymethyl methacrylate 8,400 order amorphous silicic aluminium micro mist 25, solid content are aqueous polyurethane emulsion 14, the auxiliary agent 2 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.
A kind of automotive trim graphene oxide-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first graphene oxide, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 50min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) amorphous silicic aluminium micro mist and silane coupler mixed grinding are disperseed 2.5h, 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 190 DEG C in screw extruder, melt is the meltblown beam spinneret orifice ejection of 245 DEG C through temperature, and stretch under the high velocity, hot air stream effect of 270 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: 362g/m
-2; Longitudinal tensile strength (N. (5cm)
-1) be: 56.8.
Its sound absorption qualities test result is:
| Frequency of sound wave | 100Hz | 200Hz | 500Hz | 1KHz | 2KHz | 3KHz | 4KHz | 5KHz |
| Acoustic absorptivity | 0.04 | 0.06 | 0.08 | 0.35 | 0.61 | 0.74 | 0.82 | 0.87 |
Claims (2)
1. automotive trim graphene oxide-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: thermoplastic elastomer (TPE) TPE/TPR 14-16, polypropylene 22-26, graphene oxide 0.6-0.8, silane coupler 1-2, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, polymethyl methacrylate 6-8, 325-400 order amorphous silicic aluminium micro mist 20-25, solid content is the aqueous polyurethane emulsion 12-15 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 graphene oxide-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 graphene oxide, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 40-50min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) amorphous silicic aluminium micro mist and silane coupler mixed grinding are disperseed 2-2.5h, gained material mixes with other leftover materials, stir in rear input double screw extruder and melt extrude granulation at 170-180 DEG C of temperature, obtain 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002713.6A CN104562450A (en) | 2015-01-05 | 2015-01-05 | Graphene oxide-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile |
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| CN201510002713.6A CN104562450A (en) | 2015-01-05 | 2015-01-05 | Graphene oxide-polyurethane composite emulsion wrapped polypropylene nonwoven acoustic absorbing material for inner decoration of automobile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106012542A (en) * | 2016-07-05 | 2016-10-12 | 东华大学 | Anti-static wear-resistant noise reduction and sound insulation material and preparation method thereof |
| CN107266730A (en) * | 2017-08-09 | 2017-10-20 | 浙江久运汽车零部件有限公司 | A kind of rub resistance rubber buffer |
| CN108691099A (en) * | 2018-06-04 | 2018-10-23 | 山东恒鹏卫生用品有限公司 | A kind of graphene non-woven cloth and its manufacturing method |
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| JP2001064859A (en) * | 1999-08-19 | 2001-03-13 | Toyobo Co Ltd | Acoustic material |
| WO2008016771A1 (en) * | 2006-07-31 | 2008-02-07 | 3M Innovative Properties Company | Fibrous web comprising microfibers dispersed among bonded meltspun fibers |
| CN102965840A (en) * | 2012-11-22 | 2013-03-13 | 芜湖跃飞新型吸音材料股份有限公司 | PET (polyethylene glycol terephthalate) fiber/ceramic fiber composite sound absorbing cotton and preparation method of PET fiber/ceramic fiber composite sound absorbing cotton |
| CN103476809A (en) * | 2011-05-18 | 2013-12-25 | 三井化学株式会社 | Propylene copolymer and propylene copolymer composition, molding and foam thereof, and processes for producing said molding and foam |
| CN103568465A (en) * | 2012-08-10 | 2014-02-12 | 芜湖跃飞新型吸音材料股份有限公司 | Production process of soundproof cotton |
| CN103710873A (en) * | 2013-11-25 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | Nonwoven cloth sound absorbing cotton containing graphene |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001064859A (en) * | 1999-08-19 | 2001-03-13 | Toyobo Co Ltd | Acoustic material |
| WO2008016771A1 (en) * | 2006-07-31 | 2008-02-07 | 3M Innovative Properties Company | Fibrous web comprising microfibers dispersed among bonded meltspun fibers |
| CN103476809A (en) * | 2011-05-18 | 2013-12-25 | 三井化学株式会社 | Propylene copolymer and propylene copolymer composition, molding and foam thereof, and processes for producing said molding and foam |
| CN103568465A (en) * | 2012-08-10 | 2014-02-12 | 芜湖跃飞新型吸音材料股份有限公司 | Production process of soundproof cotton |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN106012542A (en) * | 2016-07-05 | 2016-10-12 | 东华大学 | Anti-static wear-resistant noise reduction and sound insulation material and preparation method thereof |
| CN106012542B (en) * | 2016-07-05 | 2018-05-15 | 东华大学 | A kind of anti-static and abrasion-resistant damage noise reduction sound insulating material and preparation method thereof |
| CN107266730A (en) * | 2017-08-09 | 2017-10-20 | 浙江久运汽车零部件有限公司 | A kind of rub resistance rubber buffer |
| CN108691099A (en) * | 2018-06-04 | 2018-10-23 | 山东恒鹏卫生用品有限公司 | A kind of graphene non-woven cloth and its manufacturing method |
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