CN104562700A - Zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim - Google Patents
Zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim Download PDFInfo
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- CN104562700A CN104562700A CN201510002586.XA CN201510002586A CN104562700A CN 104562700 A CN104562700 A CN 104562700A CN 201510002586 A CN201510002586 A CN 201510002586A CN 104562700 A CN104562700 A CN 104562700A
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Abstract
The invention relates to a nonwoven sound-absorbing material, and in particular relates to a zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim. The material is prepared from the following raw materials: 12-16 parts of thermoplastic polyurethane, 20-25 parts of polypropylene, 4-6 parts of organic silicon resin, 2-3 parts of silane coupling agent, 1-1.5 parts of nanometer carbon black, 8-10 parts of polymethyl methacrylate, 0.1-0.2 part of antioxidant 1076, 0.1-0.2 part of antioxidant DLTP, 0.2-0.3 part of dioctyldilauryltin, 2-3 parts of zirconia sol with solid content of 10-15%, 20-24 parts of 325-400-mesh diatomite in powder, 10-12 parts of aqueous polyurethane emulsion with solid content of 8-10%, and 1-2 parts of auxiliary. The modified polypropylene nonwoven material prepared according to the invention inherits the advantages of the traditional polypropylene nonwoven material, the mechanical property is improved, and the weather-proof ageing property is excellent, and the material cannot deform after being used for a long time, the fiber screen mesh strength is improved, the damp is strengthened, the vibration reduction and noise reduction effects are obvious, the material is light and environment-friendly, the noise reduction effect is durable, the inside environment cannot be polluted, and thus the material is a novel practical automotive sound-absorbing material.
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 zirconia-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 zirconia-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: Polyurethane Thermoplastic Elastomer 12-16, polypropylene 20-25, organic siliconresin 4-6, silane coupler 2-3, nano carbon black 1-1.5, polymethyl methacrylate 8-10, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, solid content is the zirconia sol 2-3 of 10-15%, 325-400 order diatomite in powder 20-24, solid content is the aqueous polyurethane emulsion 10-12 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 zirconia-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first nanometer carbon black, zirconia sol, 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) diatomite in powder and silane coupler mixed grinding are disperseed 2-2.5h, gained material mixes with other leftover materials, stirs in rear input double screw extruder and melt extrude granulation at 180-190 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, possesses excellent weatherable, long-time use is indeformable, and the polyurethane complex emulsions of preparation is after the coated solidification of fiber surface, and the material wherein adulterated makes fibre web intensity improve, damping is strengthened, and effect of vibration and noise reduction is obvious; Sound-absorbing material light weight environmental protection prepared by the present invention, noise reduction is lasting, and not polluting 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 zirconia-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: aqueous polyurethane emulsion 12, auxiliary agent 2 that zirconia sol 3, the 400 order diatomite in powder 23 that Polyurethane Thermoplastic Elastomer 15, polypropylene 24, organic siliconresin 5, silane coupler 3, nano carbon black 1.2, polymethyl methacrylate 9, antioxidant 1076 0.2, anti-oxidant DLTP 0.1, Bis(lauroyloxy)dioctyltin 0.3, solid content are 12%, solid content are 10%;
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 zirconia-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first nanometer carbon black, zirconia sol, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 55min, make material dispersed in emulsion, gained complex emulsions is for subsequent use;
(2) diatomite in powder and silane coupler mixed grinding are disperseed 2.2h, gained material mixes with other leftover materials, stirs in rear input double screw extruder and melt extrude granulation at 185 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 200 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 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: 362.6g/m
-2; Longitudinal tensile strength (N. (5cm)
-1) be: 58.2.
Its sound absorption qualities test result is:
| Frequency of sound wave | 100Hz | 200Hz | 500Hz | 1KHz | 2KHz | 3KHz | 4KHz | 5KHz |
| Acoustic absorptivity | 0.03 | 0.06 | 0.14 | 0.36 | 0.54 | 0.75 | 0.82 | 0.85 |
Claims (2)
1. automotive trim zirconia-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: Polyurethane Thermoplastic Elastomer 12-16, polypropylene 20-25, organic siliconresin 4-6, silane coupler 2-3, nano carbon black 1-1.5, polymethyl methacrylate 8-10, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, solid content is the zirconia sol 2-3 of 10-15%, 325-400 order diatomite in powder 20-24, solid content is the aqueous polyurethane emulsion 10-12 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 zirconia-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 nanometer carbon black, zirconia sol, 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) diatomite in powder and silane coupler mixed grinding are disperseed 2-2.5h, gained material mixes with other leftover materials, stirs in rear input double screw extruder and melt extrude granulation at 180-190 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510002586.XA CN104562700A (en) | 2015-01-05 | 2015-01-05 | Zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim |
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| CN201510002586.XA CN104562700A (en) | 2015-01-05 | 2015-01-05 | Zirconia-polyurethane composite emulsion coated polypropylene nonwoven sound-absorbing material for automotive trim |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845036A (en) * | 2015-06-09 | 2015-08-19 | 李平兰 | Decorating 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 |
| CN105239361A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Silicon carbide/polyurethane/polypropylene elastic composite sound absorbing cotton and preparation method thereof |
| CN105239360A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Rosin/polyurethane/polypropylene elastic composite sound absorbing cotton, and preparation method thereof |
| CN105271943A (en) * | 2015-10-12 | 2016-01-27 | 苏州法斯特信息科技有限公司 | Sound insulation and adsorption material for indoor decoration and preparation method thereof |
| 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 |
| WO2020217131A1 (en) * | 2019-04-25 | 2020-10-29 | 3M Innovative Properties Company | Acoustic articles and methods thereof |
| CN115772803A (en) * | 2022-12-14 | 2023-03-10 | 江苏金秋绳带科技有限公司 | Preparation method of flexible vibration reduction braid based on high-elasticity nylon/spandex |
| CN116815349A (en) * | 2023-05-25 | 2023-09-29 | 武汉轩楷材料科技有限公司 | High-elasticity automobile sound absorbing cotton and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| 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 |
| CN105239361A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Silicon carbide/polyurethane/polypropylene elastic composite sound absorbing cotton and preparation method thereof |
| CN105239360A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Rosin/polyurethane/polypropylene elastic composite sound absorbing cotton, and preparation method thereof |
| CN105271943A (en) * | 2015-10-12 | 2016-01-27 | 苏州法斯特信息科技有限公司 | Sound insulation and adsorption material for indoor decoration and preparation method thereof |
| 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 |
| WO2020217131A1 (en) * | 2019-04-25 | 2020-10-29 | 3M Innovative Properties Company | Acoustic articles and methods thereof |
| CN115772803A (en) * | 2022-12-14 | 2023-03-10 | 江苏金秋绳带科技有限公司 | Preparation method of flexible vibration reduction braid based on high-elasticity nylon/spandex |
| CN116815349A (en) * | 2023-05-25 | 2023-09-29 | 武汉轩楷材料科技有限公司 | High-elasticity automobile sound absorbing cotton and preparation method thereof |
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Application publication date: 20150429 |