CN104562701A - Ferric oxide-polyurethane composite emulsion-coated polypropylene-based non-woven sound-absorbing material for automotive interiors - Google Patents
Ferric oxide-polyurethane composite emulsion-coated polypropylene-based non-woven sound-absorbing material for automotive interiors Download PDFInfo
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- CN104562701A CN104562701A CN201510002656.1A CN201510002656A CN104562701A CN 104562701 A CN104562701 A CN 104562701A CN 201510002656 A CN201510002656 A CN 201510002656A CN 104562701 A CN104562701 A CN 104562701A
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Abstract
The invention relates to a non-woven sound-absorbing material, and specifically relates to a ferric oxide-polyurethane composite emulsion-coated polypropylene-based non-woven sound-absorbing material for automotive interiors. The material is prepared from the following raw materials in parts by weight: 6-8 parts of cellulose acetate fibres, 20-25 parts of polypropylene, 0.5-0.6 part of nano-ferric oxide, 2-4 parts of polyhexamethylene adipamide, 0.1-0.2 part of an antioxidant 1076, 0.1-0.2 part of antioxidant DLTP, 0.2-0.3 part of bis(lauroyloxy)dioctyltin, 12-16 parts of polymethyl methacrylate, 2-3 parts of a silane coupling agent, 2-4 parts of polyvinyl butyral, 16-20 parts of kaolin with 325-400 meshes, 1-2 parts of aluminium nitride micro powder, 12-14 parts of waterborne polyurethane emulsion with solid content of 8-10% and 1-2% of auxiliaries. The non-woven material obtained by the method disclosed by the invention adheres to the advantages of the traditional polypropylene non-woven material; the mechanical property is improved, the breathability is good, the non-woven material is elastic and anti-static, the strengths of cellosilks are improved, the attenuation of an acoustic wave is accelerated, and the sound-absorbing and sound-insulating effects are obvious; moreover, the material is light in mass, environmentally friendly, stable in shape and free from pollution to an automotive internal environment, as well as 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 di-iron trioxide-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 di-iron trioxide-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: acetate fiber 6-8, polypropylene 20-25, nanometer di-iron trioxide 0.5-0.6, polyhexamethylene adipamide 2-4, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, polymethyl methacrylate 12-16, silane coupler 2-3, polyvinyl butyral resin 2-4, 325-400 order kaolin 16-20, aluminium nitride micro mist 1-2, solid content is the aqueous polyurethane emulsion 12-14 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 a kind of automotive trim di-iron trioxide-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first nanometer di-iron trioxide, 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) kaolin, aluminium nitride micro mist, acetate fiber 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, good permeability, bullet is felt well antistatic, and the polyurethane complex emulsions of preparation is after the coated solidification of fiber surface, and the nanomaterial wherein adulterated makes the strength enhancing of fiber, accelerate the decay of sound wave, sound absorption soundproof effect is obvious; Sound-absorbing material light weight environmental protection prepared by the present invention, dimensionally stable, do 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 di-iron trioxide-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: acetate fiber 8, polipropene 25, nanometer di-iron trioxide 0.5, polyhexamethylene adipamide 4, antioxidant 1076 0.2, anti-oxidant DLTP 0.1, Bis(lauroyloxy)dioctyltin 0.3, polymethyl methacrylate 15, silane coupler 3, polyvinyl butyral resin 4,400 order kaolin 18, aluminium nitride micro mist 2, solid content are aqueous polyurethane emulsion 14, the auxiliary agent 2 of 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 di-iron trioxide-non-woven sound-absorbing material of the coated polypropylene-base of polyurethane complex emulsions, its preparation method is as follows:
(1) first nanometer di-iron trioxide, 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) kaolin, aluminium nitride micro mist, acetate fiber and silane coupler mixed grinding are disperseed 2.5h, gained material mixes with other leftover materials, stir in rear input double screw extruder and melt extrude granulation at 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 190 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 275 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: 361g/m
-2; Longitudinal tensile strength (N. (5cm)
-1) be: 54.8.
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 | 0.11 | 0.35 | 0.56 | 0.75 | 0.82 | 0.86 |
Claims (2)
1. automotive trim di-iron trioxide-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: acetate fiber 6-8, polypropylene 20-25, nanometer di-iron trioxide 0.5-0.6, polyhexamethylene adipamide 2-4, antioxidant 1076 0.1-0.2, anti-oxidant DLTP 0.1-0.2, Bis(lauroyloxy)dioctyltin 0.2-0.3, polymethyl methacrylate 12-16, silane coupler 2-3, polyvinyl butyral resin 2-4, 325-400 order kaolin 16-20, aluminium nitride micro mist 1-2, solid content is the aqueous polyurethane emulsion 12-14 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 di-iron trioxide-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 di-iron trioxide, 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) kaolin, aluminium nitride micro mist, acetate fiber 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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| CN201510002656.1A CN104562701A (en) | 2015-01-05 | 2015-01-05 | Ferric oxide-polyurethane composite emulsion-coated polypropylene-based non-woven sound-absorbing material for automotive interiors |
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| CN201510002656.1A CN104562701A (en) | 2015-01-05 | 2015-01-05 | Ferric oxide-polyurethane composite emulsion-coated polypropylene-based non-woven sound-absorbing material for automotive interiors |
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Cited By (2)
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120027A (en) * | 1995-02-20 | 1996-04-10 | 中国东北电力集团科技开发公司 | Production technology menthod of superfine glass wool |
| CN1544771A (en) * | 2003-11-24 | 2004-11-10 | 山东鲁阳股份有限公司 | Human body fluid soluble inorganic ceramic fiber sound absorption board and process of production |
| CN101807394A (en) * | 2010-04-13 | 2010-08-18 | 王艳 | Micro-nano-fiber composite layered sound-absorbing material |
| 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 |
| CN103864360A (en) * | 2014-02-10 | 2014-06-18 | 安徽众凯架业有限责任公司 | Heat insulation mortar with sound absorbing effect and manufacturing method thereof |
| CN104059213A (en) * | 2013-03-21 | 2014-09-24 | 现代自动车株式会社 | Sound-absorbing Material For Automobile Using Foaming Urethane Foam To Which Carbon Nano-tube Is Applied And Preparation Method Thereof |
-
2015
- 2015-01-05 CN CN201510002656.1A patent/CN104562701A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120027A (en) * | 1995-02-20 | 1996-04-10 | 中国东北电力集团科技开发公司 | Production technology menthod of superfine glass wool |
| CN1544771A (en) * | 2003-11-24 | 2004-11-10 | 山东鲁阳股份有限公司 | Human body fluid soluble inorganic ceramic fiber sound absorption board and process of production |
| CN101807394A (en) * | 2010-04-13 | 2010-08-18 | 王艳 | Micro-nano-fiber composite layered sound-absorbing material |
| 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 |
| CN104059213A (en) * | 2013-03-21 | 2014-09-24 | 现代自动车株式会社 | Sound-absorbing Material For Automobile Using Foaming Urethane Foam To Which Carbon Nano-tube Is Applied And Preparation Method Thereof |
| CN103864360A (en) * | 2014-02-10 | 2014-06-18 | 安徽众凯架业有限责任公司 | Heat insulation mortar with sound absorbing effect and manufacturing method thereof |
Cited By (3)
| 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 |
| 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 |
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Application publication date: 20150429 |
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