CN104746334A - Polypropylene-based non-woven sound absorption material coated with medical stone and styrene-acrylate composite emulsion for automotive interior decoration - Google Patents
Polypropylene-based non-woven sound absorption material coated with medical stone and styrene-acrylate composite emulsion for automotive interior decoration Download PDFInfo
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- CN104746334A CN104746334A CN201510111369.4A CN201510111369A CN104746334A CN 104746334 A CN104746334 A CN 104746334A CN 201510111369 A CN201510111369 A CN 201510111369A CN 104746334 A CN104746334 A CN 104746334A
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Abstract
The invention relates to a non-woven sound absorption material, and particularly relates to a polypropylene-based non-woven sound absorption material coated with medical stone and styrene-acrylate composite emulsion for automotive interior decoration. The polypropylene-based non-woven sound absorption material is prepared from the following raw materials in parts by weight: 10-13 parts of alginate fiber, 22-25 parts of polypropylene, 8-10 parts of high-density polyethylene, 3-5 parts of oxidized starch, 0.2-0.3 part of 400-600-mesh medical stone micro-powder, 2-3 parts of ethylene glycol dimethacrylate, 12-16 parts of mica flake, 2-3 parts of a silane coupling agent kh550, 1-2 parts of antioxidant 1010, 1-2 parts of nano-silicon, 12-15 parts of a styrene-acrylate emulsion of which the solid content is 8-10 percent and 1-2 parts of an auxiliary. By using the material, the environment inside a car can be improved, and the material is light in weight, high in impact resistance, durable and easy for recycling degradation; therefore, the material is a novel practical automotive sound absorption material.
Description
Technical field
The present invention relates to a kind of non-woven sound-absorbing material, be specifically related to the non-woven sound-absorbing material of the coated polypropylene-base of a kind of automotive trim medical stone-styrene-acrylic composite emulsion.
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 the coated polypropylene-base of a kind of novel styrene-acrylic composite emulsion non-woven sound-absorbing material, this material has high specific area, more pliable and tough compared with traditional non-woven materials compact on tissue morphology, sound insulation and noise reduction successful; To achieve these goals, the technical solution used in the present invention is as follows:
The non-woven sound-absorbing material of a kind of coated polypropylene-base of automotive trim medical stone-styrene-acrylic composite emulsion, is characterized in that: described sound-absorbing material is made up of the raw material of following weight portion: alginate fibre 10-13, polypropylene 22-25, high density polyethylene (HDPE) 8-10, oxidized starch 3-5,400-600 order medical stone micro mist 0.2-0.3, ethylene glycol dimethacrylate 2-3, mica flake 12-16, silane coupler kh550 2-3, antioxidant 1010 1-2, nano-silicon 1-2, solid content are benzene emulsion 12-15, the auxiliary agent 1-2 of 8-10%;
Described auxiliary agent is made up of the raw material of following weight portion: neopelex 0.4-0.5, nanometer silicon carbide 0.8-1, propylene glycol 2-3, solid content is the nano alumina sol 2-4 of 15-20%, phenylpropyl alcohol triazole 0.1-0.2, 3-TSL 8330 0.1-0.2, water 10-12, preparation method is: first nano-silicon nitride and 3-TSL 8330 mixed grinding are disperseed 30-40min, obtain modified Nano silicon nitride for subsequent use, subsequently again by propylene glycol, neopelex drops in water, be stirred to after material dissolves dispersion completely and add modified Nano silicon nitride, ultrasonic disperse 30-40min, finally add other leftover materials, namely compound Modification of Styrene-Acrylate Emulsion auxiliary agent is obtained after high-speed stirred 50-60min.
The described non-woven sound-absorbing material of the coated polypropylene-base of a kind of automotive trim medical stone-styrene-acrylic composite emulsion, its preparation method is as follows:
(1) first medical stone micro mist, nano-silicon, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 50-60min, makes material dispersed in emulsion, obtains styrene-acrylic composite emulsion for subsequent use;
(2) alginate fibre, mica flake and silane coupler kh550 mixed grinding are disperseed 2-3h, 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 260-280 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 styrene-acrylic composite emulsion 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, its mechanical property and institutional framework change, possesses good anti-stress cracking ability, anticorrosion shock resistance, energy anion releasing, and the styrene-acrylic composite emulsion of preparation is after the coated solidification of fiber surface, the minute yardstick material wherein adulterated makes pulp freeness promote, and to absorption and the conversion capability reinforcement of sound wave, noise reduction is obvious; Sound-absorbing material prepared by the present invention can improve environment inside car, and lightweight shock resistance, durable in use, being easy to reclaim degraded, is a kind of automobile-used sound-absorbing material of novel practical.
Detailed description of the invention
Embodiment
The non-woven sound-absorbing material of a kind of coated polypropylene-base of automotive trim medical stone-styrene-acrylic composite emulsion, is characterized in that: described sound-absorbing material is made up of the raw material of following weight portion: alginate fibre 12, polypropylene 24, high density polyethylene (HDPE) 10, oxidized starch 5,600 order medical stone micro mist 0.2, ethylene glycol dimethacrylate 2, mica flake 15, silane coupler kh550 3, antioxidant 1010 2, nano-silicon 1, solid content are benzene emulsion 14, the auxiliary agent 1.5 of 10%;
Wherein auxiliary agent is made up of the raw material of following weight portion: neopelex 0.4, nanometer silicon carbide 0.8, propylene glycol 3, solid content is the nano alumina sol 3 of 15%, phenylpropyl alcohol triazole 0.1, 3-TSL 8330 0.1, water 10, preparation method is: first nano-silicon nitride and 3-TSL 8330 mixed grinding are disperseed 40min, obtain modified Nano silicon nitride for subsequent use, subsequently again by propylene glycol, neopelex drops in water, be stirred to after material dissolves dispersion completely and add modified Nano silicon nitride, ultrasonic disperse 35min, finally add other leftover materials, namely compound Modification of Styrene-Acrylate Emulsion auxiliary agent is obtained after high-speed stirred 55min.
The non-woven sound-absorbing material of a kind of coated polypropylene-base of automotive trim medical stone-styrene-acrylic composite emulsion, its preparation method is as follows:
(1) first medical stone micro mist, nano-silicon, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 60min, makes material dispersed in emulsion, obtains styrene-acrylic composite emulsion for subsequent use;
(2) alginate fibre, mica flake and silane coupler kh550 mixed grinding are disperseed 2.8h, gained material mixes with other leftover materials, stir in rear input double screw extruder and melt extrude granulation at 170 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 235 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 styrene-acrylic composite emulsion 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: 363.5g/m
-2; Longitudinal tensile strength (N. (5cm)
-1) be: 65.9.
Its sound absorption qualities test result is:
| Frequency of sound wave | 100Hz | 200Hz | 500Hz | 1KHz | 2KHz | 3KHz | 4KHz | 5KHz |
| Acoustic absorptivity | 0.04 | 0.05 | 0.14 | 0.38 | 0.55 | 0.72 | 0.83 | 0.86 |
Claims (2)
1. the non-woven sound-absorbing material of the coated polypropylene-base of automotive trim medical stone-styrene-acrylic composite emulsion, is characterized in that: described sound-absorbing material is made up of the raw material of following weight portion: alginate fibre 10-13, polypropylene 22-25, high density polyethylene (HDPE) 8-10, oxidized starch 3-5,400-600 order medical stone micro mist 0.2-0.3, ethylene glycol dimethacrylate 2-3, mica flake 12-16, silane coupler kh550 2-3, antioxidant 1010 1-2, nano-silicon 1-2, solid content are benzene emulsion 12-15, the auxiliary agent 1-2 of 8-10%;
Described auxiliary agent is made up of the raw material of following weight portion: neopelex 0.4-0.5, nanometer silicon carbide 0.8-1, propylene glycol 2-3, solid content is the nano alumina sol 2-4 of 15-20%, phenylpropyl alcohol triazole 0.1-0.2, 3-TSL 8330 0.1-0.2, water 10-12, preparation method is: first nano-silicon nitride and 3-TSL 8330 mixed grinding are disperseed 30-40min, obtain modified Nano silicon nitride for subsequent use, subsequently again by propylene glycol, neopelex drops in water, be stirred to after material dissolves dispersion completely and add modified Nano silicon nitride, ultrasonic disperse 30-40min, finally add other leftover materials, namely compound Modification of Styrene-Acrylate Emulsion auxiliary agent is obtained after high-speed stirred 50-60min.
2. the non-woven sound-absorbing material of the coated polypropylene-base of a kind of automotive trim medical stone-styrene-acrylic composite emulsion as claimed in claim 1, the preparation method of this material is as follows:
(1) first medical stone micro mist, nano-silicon, auxiliary agent are dropped into together in aqueous polyurethane emulsion, ultrasonic process 50-60min, makes material dispersed in emulsion, obtains styrene-acrylic composite emulsion for subsequent use;
(2) alginate fibre, mica flake and silane coupler kh550 mixed grinding are disperseed 2-3h, 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 260-280 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 styrene-acrylic composite emulsion the polypropylene-base nonwoven material that to get product after drying completely.
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| CN201510111369.4A CN104746334A (en) | 2015-03-14 | 2015-03-14 | Polypropylene-based non-woven sound absorption material coated with medical stone and styrene-acrylate composite emulsion for automotive interior decoration |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133332A (en) * | 2015-09-17 | 2015-12-09 | 芜湖跃飞新型吸音材料股份有限公司 | Health care EVA emulsion-coated polypropylene-based non-woven sound absorbing material for automotive trim |
| CN105220458A (en) * | 2015-09-24 | 2016-01-06 | 安庆市花蕾纺织材料有限公司 | A kind of acrylonitrile-butadiene rubber/polyurethane/polypropylene elastic composite acoustical cotton and preparation method thereof |
| CN105239358A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Nanometer aluminium powder/polyurethane/polypropylene elastic composite sound absorbing cotton, and preparation method thereof |
| CN105239364A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Fluorine rubber/polyurethane/polypropylene elastic composite sound absorption cotton and preparation method thereof |
| 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 |
| CN105986364A (en) * | 2016-01-26 | 2016-10-05 | 芜湖环瑞汽车内饰件有限公司 | High-tenacity high-weatherability sound absorbing cotton and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696130A (en) * | 2013-11-25 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Environment-friendly non-woven fabric noise-absorbing cotton and preparation method thereof |
| CN103710876A (en) * | 2013-11-26 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | High-strength sound absorbing cotton and preparation method thereof |
| KR20150072564A (en) * | 2013-12-20 | 2015-06-30 | 현대자동차주식회사 | Noise absorption and insulation materials of multi-layers and preparing method thereof |
-
2015
- 2015-03-14 CN CN201510111369.4A patent/CN104746334A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696130A (en) * | 2013-11-25 | 2014-04-02 | 芜湖跃飞新型吸音材料股份有限公司 | Environment-friendly non-woven fabric noise-absorbing cotton and preparation method thereof |
| CN103710876A (en) * | 2013-11-26 | 2014-04-09 | 芜湖跃飞新型吸音材料股份有限公司 | High-strength sound absorbing cotton and preparation method thereof |
| KR20150072564A (en) * | 2013-12-20 | 2015-06-30 | 현대자동차주식회사 | Noise absorption and insulation materials of multi-layers and preparing method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133332A (en) * | 2015-09-17 | 2015-12-09 | 芜湖跃飞新型吸音材料股份有限公司 | Health care EVA emulsion-coated polypropylene-based non-woven sound absorbing material for automotive trim |
| CN105220458A (en) * | 2015-09-24 | 2016-01-06 | 安庆市花蕾纺织材料有限公司 | A kind of acrylonitrile-butadiene rubber/polyurethane/polypropylene elastic composite acoustical cotton and preparation method thereof |
| CN105239358A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Nanometer aluminium powder/polyurethane/polypropylene elastic composite sound absorbing cotton, and preparation method thereof |
| CN105239364A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Fluorine rubber/polyurethane/polypropylene elastic composite sound absorption cotton and preparation method thereof |
| 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 |
| CN105986364A (en) * | 2016-01-26 | 2016-10-05 | 芜湖环瑞汽车内饰件有限公司 | High-tenacity high-weatherability sound absorbing cotton and preparation method thereof |
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