CN105178015A - High-elasticity anti-aging sound absorption cotton and preparing method thereof - Google Patents
High-elasticity anti-aging sound absorption cotton and preparing method thereof Download PDFInfo
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- CN105178015A CN105178015A CN201510613441.3A CN201510613441A CN105178015A CN 105178015 A CN105178015 A CN 105178015A CN 201510613441 A CN201510613441 A CN 201510613441A CN 105178015 A CN105178015 A CN 105178015A
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Abstract
The invention discloses high-elasticity anti-aging sound absorption cotton. The sound absorption cotton is prepared from, by weight, 40-60 parts of polyester fibers, 20-30 parts of spandex fibers, 3-5 parts of polyphenylene sulfide fibers, 10-15 parts of ES fibers, 2-4 parts of VAE emulsion, 0.3-0.5 part of propyl gallate, 3-5 parts of castor oil, 0.03-0.05 part of zinc naphthenate, 1-2 parts of silane coupling agents KH-550, 1-2 parts of silica sol and 10-15 parts of composite resin. The sound absorption cotton has higher full-range sound absorption capacity, high elasticity and good aging resistance, and is good in use performance, long in service life, wide in application range and high in practicability, and acoustic performance is obviously promoted.
Description
Technical field
The present invention relates to acoustical technology technical field, particularly relate to ageing-resistant acoustical cotton of a kind of high elasticity and preparation method thereof.
Background technology
At society, noise pollution become after water pollutions, atmosphere pollution by world wide one of the Environmental Pollution problem paid close attention to.Using sound-absorbing acoustic material to carry out sound insulation noise reduction is the conventional means of administering noise pollution.Acoustical cotton conventional in the market has glass fibre acoustical cotton, sponge, polyester fiber acoustical cotton etc.Glass fibre cotton easily causes pruitus and respiratory tract anaphylaxis, has harm to human body, is not suitable for indoor use.Sponge major part is closed cell foamed material, and sound absorption qualities is limited, is more suitable for for field of thermal insulation.And the frequency range of conventional polyester fiber acoustical cotton sound-absorbing is narrower, only centering high-frequency sound has good absorption, limited to the assimilation effect of low-frequency sound.And the ageing-resistant performance of common acoustical cotton is poor, can not fully keep its serviceability in environment for use, service life is easily influenced, limits its Application Areas.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides ageing-resistant acoustical cotton of a kind of high elasticity and preparation method thereof.
The present invention is achieved by the following technical solutions:
The ageing-resistant acoustical cotton of a kind of high elasticity, it is obtained by the raw material of following weight parts:
Polyster fibre 40-60, spandex fibre 20-30, polyphenylene sulfide fibre 3-5, ES fiber 10-15, VAE emulsion 2-4, n-propyl gallate 0.3-0.5, castor oil 3-5, zinc naphthenate 0.03-0.05, silane resin acceptor kh-550 1-2, Ludox 1-2, compound resin 10-15;
Wherein compound resin is made up of the raw material of following weight portion: acrylamide 8-10, vinylacetate 4-6, potassium peroxydisulfate 0.05-0.1, Tween-80 0.1-0.2, lauryl sodium sulfate 0.5-1, aluminium chloride 1.5-2.5, sodium bicarbonate 4-6, water 40-50; Acrylamide, vinylacetate, lauryl sodium sulfate, Tween-80 and aluminium chloride are first added to the water to stir 5-10min by the preparation method of compound resin; then add potassium peroxydisulfate and under nitrogen protection 50-60 DEG C reaction 0.5-1h; finally add sodium bicarbonate and continue reaction 2-4h; after washing, grinding evenly, to obtain final product.
A preparation method for the ageing-resistant acoustical cotton of high elasticity, comprises the following steps:
(1) by shredding after polyster fibre, spandex fibre, polyphenylene sulfide fibre and ES fibers mixture, combing, lapping, then in 130-150 DEG C of solidification process 0.5-1h, after cooling, composite fibrofelt is obtained;
(2) composite fibrofelt evenly apply after being mixed with VAE emulsion, Ludox by compound resin is in (1) surperficial, then in 160-180 DEG C, hot-forming under 4-6MPa condition, obtain acoustical cotton matrix;
(3) first silane resin acceptor kh-550 is sprayed at acoustical cotton matrix surface in (2) and in 100-120 DEG C of isothermal holding 10-15min, then by all the other raw material mixing and stirring, again be sprayed on after acoustical cotton matrix surface in 80-90 DEG C of isothermal holding 8-12h, through surface treatment after cooling, obtain the ageing-resistant acoustical cotton of high elasticity.
Advantage of the present invention is:
The present invention has synthesized acrylamide/vinyl acetate-based composite porous resin, and be coated in the obtained composite fibrofelt surface of polyster fibre, spandex fibre, polyphenylene sulfide fibre and ES fibers mixture, composite sound-absorbing cotton material is obtained by hot-forming and surface modification treatment, obtained acoustical cotton structure is more reasonable, good in medium and low frequency section sound absorption properties, there is better full range sound absorbing power, acoustical behavior obviously promotes, also there is high elasticity and good ageing-resistant performance, serviceability is good, long service life, applied widely, practical.
Detailed description of the invention
The ageing-resistant acoustical cotton of a kind of high elasticity, it is obtained by the raw material of following weight parts:
Polyster fibre 40, spandex fibre 20, polyphenylene sulfide fibre 3, ES fiber 10, VAE emulsion 2, n-propyl gallate 0.3, castor oil 3, zinc naphthenate 0.03, silane resin acceptor kh-550 1, Ludox 1, compound resin 10;
Wherein compound resin is made up of the raw material of following weight portion: acrylamide 8, vinylacetate 4, potassium peroxydisulfate 0.05, Tween-80 0.1, lauryl sodium sulfate 0.5, aluminium chloride 1.5, sodium bicarbonate 4, water 40; Acrylamide, vinylacetate, lauryl sodium sulfate, Tween-80 and aluminium chloride are first added to the water to stir 5min by the preparation method of compound resin; then add potassium peroxydisulfate and react 0.5h in lower 50 DEG C of nitrogen protection; finally add sodium bicarbonate and continue reaction 2h; after washing, grinding evenly, to obtain final product.
A preparation method for the ageing-resistant acoustical cotton of high elasticity, comprises the following steps:
(1) by shredding after polyster fibre, spandex fibre, polyphenylene sulfide fibre and ES fibers mixture, combing, lapping, then in 130 DEG C of solidification process 0.5h, after cooling, composite fibrofelt is obtained;
(2) composite fibrofelt evenly apply after being mixed with VAE emulsion, Ludox by compound resin is in (1) surperficial, then in 160 DEG C, hot-forming under 4MPa condition, obtain acoustical cotton matrix;
(3) first silane resin acceptor kh-550 is sprayed at acoustical cotton matrix surface in (2) and in 100 DEG C of isothermal holding 10min, then by all the other raw material mixing and stirring, again be sprayed on after acoustical cotton matrix surface in 80 DEG C of isothermal holding 8h, through surface treatment after cooling, obtain the ageing-resistant acoustical cotton of high elasticity.
After testing, acoustical cotton sound absorption qualities test result obtained above is as follows:
| Frequency (HZ) | 125 | 250 | 500 | 1k | 2k | 4k |
| Sound-absorption coefficient (%) | 0.15 | 0.26 | 0.50 | 0.76 | 0.82 | 0.94 |
The tearing strength of this acoustical cotton is 13.3N/cm, compression set 1%.
Claims (2)
1. the ageing-resistant acoustical cotton of high elasticity, is characterized in that, it is obtained by the raw material of following weight parts:
Polyster fibre 40-60, spandex fibre 20-30, polyphenylene sulfide fibre 3-5, ES fiber 10-15, VAE emulsion 2-4, n-propyl gallate 0.3-0.5, castor oil 3-5, zinc naphthenate 0.03-0.05, silane resin acceptor kh-550 1-2, Ludox 1-2, compound resin 10-15;
Described compound resin is made up of the raw material of following weight portion: acrylamide 8-10, vinylacetate 4-6, potassium peroxydisulfate 0.05-0.1, Tween-80 0.1-0.2, lauryl sodium sulfate 0.5-1, aluminium chloride 1.5-2.5, sodium bicarbonate 4-6, water 40-50; Acrylamide, vinylacetate, lauryl sodium sulfate, Tween-80 and aluminium chloride are first added to the water to stir 5-10min by the preparation method of compound resin; then add potassium peroxydisulfate and under nitrogen protection 50-60 DEG C reaction 0.5-1h; finally add sodium bicarbonate and continue reaction 2-4h; after washing, grinding evenly, to obtain final product.
2. the preparation method of the ageing-resistant acoustical cotton of a kind of high elasticity according to claim 1, is characterized in that, comprise the following steps:
(1) by shredding after polyster fibre, spandex fibre, polyphenylene sulfide fibre and ES fibers mixture, combing, lapping, then in 130-150 DEG C of solidification process 0.5-1h, after cooling, composite fibrofelt is obtained;
(2) composite fibrofelt evenly apply after being mixed with VAE emulsion, Ludox by compound resin is in (1) surperficial, then in 160-180 DEG C, hot-forming under 4-6MPa condition, obtain acoustical cotton matrix;
(3) first silane resin acceptor kh-550 is sprayed at acoustical cotton matrix surface in (2) and in 100-120 DEG C of isothermal holding 10-15min, then by all the other raw material mixing and stirring, again be sprayed on after acoustical cotton matrix surface in 80-90 DEG C of isothermal holding 8-12h, through surface treatment after cooling, obtain the ageing-resistant acoustical cotton of high elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510613441.3A CN105178015A (en) | 2015-09-23 | 2015-09-23 | High-elasticity anti-aging sound absorption cotton and preparing method thereof |
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| CN201510613441.3A CN105178015A (en) | 2015-09-23 | 2015-09-23 | High-elasticity anti-aging sound absorption cotton and preparing method thereof |
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| CN105178015A true CN105178015A (en) | 2015-12-23 |
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| CN201510613441.3A Pending CN105178015A (en) | 2015-09-23 | 2015-09-23 | High-elasticity anti-aging sound absorption cotton and preparing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245231A (en) * | 2016-08-01 | 2016-12-21 | 薛常刚 | A kind of preparation method of the acoustical cotton used on car engine lid |
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| CN1991233A (en) * | 2005-12-29 | 2007-07-04 | 上海杰事杰新材料股份有限公司 | Thermoplastic light-duty composite plate and preparing method thereof |
| CN101439604A (en) * | 2008-12-10 | 2009-05-27 | 黄云清 | Method for manufacturing light GMT sheet material |
| CN101812773A (en) * | 2010-03-30 | 2010-08-25 | 奇瑞汽车股份有限公司 | Composite material for automobile interior part and production method thereof |
| CN102947502A (en) * | 2010-06-23 | 2013-02-27 | 旭玻璃纤维股份有限公司 | Aqueous binder for inorganic fiber heat-insulating sound-absorbing member, inorganic fiber heat-insulating sound-absorbing member and method for producing inorganic fiber heat-insulating sound-absorbing member |
| CN105142869A (en) * | 2012-11-06 | 2015-12-09 | 现代自动车株式会社 | Method for molding highly heat-resistant sound absorbing and screening material |
-
2015
- 2015-09-23 CN CN201510613441.3A patent/CN105178015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991233A (en) * | 2005-12-29 | 2007-07-04 | 上海杰事杰新材料股份有限公司 | Thermoplastic light-duty composite plate and preparing method thereof |
| CN101439604A (en) * | 2008-12-10 | 2009-05-27 | 黄云清 | Method for manufacturing light GMT sheet material |
| CN101812773A (en) * | 2010-03-30 | 2010-08-25 | 奇瑞汽车股份有限公司 | Composite material for automobile interior part and production method thereof |
| CN102947502A (en) * | 2010-06-23 | 2013-02-27 | 旭玻璃纤维股份有限公司 | Aqueous binder for inorganic fiber heat-insulating sound-absorbing member, inorganic fiber heat-insulating sound-absorbing member and method for producing inorganic fiber heat-insulating sound-absorbing member |
| CN105142869A (en) * | 2012-11-06 | 2015-12-09 | 现代自动车株式会社 | Method for molding highly heat-resistant sound absorbing and screening material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245231A (en) * | 2016-08-01 | 2016-12-21 | 薛常刚 | A kind of preparation method of the acoustical cotton used on car engine lid |
| CN106245231B (en) * | 2016-08-01 | 2019-02-01 | 苏州硕展车辆配件有限公司 | A kind of car engine covers the preparation method of the acoustical cotton used |
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Application publication date: 20151223 |