CN105178013A - Absorbent cotton for automotive trim and preparing method thereof - Google Patents
Absorbent cotton for automotive trim and preparing method thereof Download PDFInfo
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- CN105178013A CN105178013A CN201510613290.1A CN201510613290A CN105178013A CN 105178013 A CN105178013 A CN 105178013A CN 201510613290 A CN201510613290 A CN 201510613290A CN 105178013 A CN105178013 A CN 105178013A
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- acoustical cotton
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Abstract
The invention discloses absorbent cotton for automotive trim. The absorbent cotton is prepared from, by weight, 40-60 parts of polyester fiber, 10-15 parts of polylactic acid fiber, 5-10 parts of straw fiber, 10-15 parts of ES fiber, 3-5 parts of basalt fiber, 2-4 parts of antimonous oxide, 1-2 parts of honeysuckle, 1-2 parts of folium isatidis, 0.5-1 part of coptis chinensis, 1-2 parts of silane coupling agent KH-550, 0.2-0.4 part of triethanolamine borate, 2-4 parts of hydroxyl silicone oil, and 10-15 parts of composite resin. The absorbent cotton is higher in full-frequency sound absorption capacity and acoustic performance, safe, resistant to flaming, antibacterial, resistant to odor, environmentally friendly, comfortable, durable, high in usability, high in practicality and suitable for automotive trim materials.
Description
Technical field
The present invention relates to acoustical technology field, particularly relate to a kind of automotive trim acoustical cotton 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 not only need good sound absorption qualities for the acoustical cotton of automotive interior material, go back fire-retardant, the environmental protection of demand fulfillment safety, the comfortable requirement such as durable.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of automotive trim acoustical cotton and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of automotive trim acoustical cotton, it is obtained by the raw material of following weight parts:
Polyster fibre 40-60, acid fiber by polylactic 10-15, stalk fibre 5-10, ES fiber 10-15, basalt fibre 3-5, antimonous oxide 2-4, honeysuckle 1-2, folium isatidis 1-2, coptis 0.5-1, silane resin acceptor kh-550 1-2, triethanolamine borate 0.2-0.4, hydroxy silicon oil 2-4, 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 automotive trim acoustical cotton, comprises the following steps:
(1) by mixing after polyster fibre, acid fiber by polylactic, stalk fibre, basalt fibre and ES fiber respectively shredding, combing, lapping, then in 130-150 DEG C of solidification process 0.5-1h, after cooling, composite fibrofelt is obtained;
(2) honeysuckle, folium isatidis, the dry completely rear co-ground of the coptis are become micro mist, composite fibrofelt surface in (1) is evenly applied after mixing with compound resin, 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 automotive trim acoustical cotton.
Advantage of the present invention is:
The present invention has synthesized acrylamide/vinyl acetate-based composite porous resin, and be coated in polyster fibre, acid fiber by polylactic, stalk fibre, the composite fibrofelt surface that basalt fibre and ES fibers mixture obtain, 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 safety fire-retardant, antibacterial deodourizing, environmental protection, comfortable durable feature, serviceability is good, practical, be applicable to automotive interior material.
Detailed description of the invention
A kind of automotive trim acoustical cotton, it is obtained by the raw material of following weight parts:
Polyster fibre 40, acid fiber by polylactic 10, stalk fibre 5, ES fiber 10, basalt fibre 3, antimonous oxide 2, honeysuckle 1, folium isatidis 1, the coptis 0.5, silane resin acceptor kh-550 1, triethanolamine borate 0.2, hydroxy silicon oil 2, 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 automotive trim acoustical cotton, comprises the following steps:
(1) by mixing after polyster fibre, acid fiber by polylactic, stalk fibre, basalt fibre and ES fiber respectively shredding, combing, lapping, then in 130 DEG C of solidification process 0.5h, after cooling, composite fibrofelt is obtained;
(2) by dry to honeysuckle, folium isatidis, the coptis completely after co-ground become micro mist, the composite fibrofelt evenly applied in (1) after mix with compound resin is 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 automotive trim acoustical cotton.
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 (%) | 0.16 | 0.29 | 0.52 | 0.71 | 0.85 | 0.96 |
The tearing strength of this acoustical cotton is 15.5N/cm, and fire-protection rating is B1 level.
Claims (2)
1. an automotive trim acoustical cotton, is characterized in that, it is obtained by the raw material of following weight parts:
Polyster fibre 40-60, acid fiber by polylactic 10-15, stalk fibre 5-10, ES fiber 10-15, basalt fibre 3-5, antimonous oxide 2-4, honeysuckle 1-2, folium isatidis 1-2, coptis 0.5-1, silane resin acceptor kh-550 1-2, triethanolamine borate 0.2-0.4, hydroxy silicon oil 2-4, 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 a kind of automotive trim acoustical cotton according to claim 1, is characterized in that, comprise the following steps:
(1) by mixing after polyster fibre, acid fiber by polylactic, stalk fibre, basalt fibre and ES fiber respectively shredding, combing, lapping, then in 130-150 DEG C of solidification process 0.5-1h, after cooling, composite fibrofelt is obtained;
(2) by dry to honeysuckle, folium isatidis, the coptis completely after co-ground become micro mist, the composite fibrofelt evenly applied in (1) after mix with compound resin is 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 automotive trim acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613290.1A CN105178013A (en) | 2015-09-23 | 2015-09-23 | Absorbent cotton for automotive trim and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613290.1A CN105178013A (en) | 2015-09-23 | 2015-09-23 | Absorbent cotton for automotive trim and preparing method thereof |
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| Publication Number | Publication Date |
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| CN105178013A true CN105178013A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510613290.1A Pending CN105178013A (en) | 2015-09-23 | 2015-09-23 | Absorbent cotton for automotive trim and preparing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722224A (en) * | 2017-10-31 | 2019-05-07 | 丹阳市金长汽车部件有限公司 | A kind of brake block of low noise |
| CN111501360A (en) * | 2020-02-27 | 2020-08-07 | 江西鸿力达实业有限公司 | Preparation process of solvent-free microfiber synthetic leather |
Citations (5)
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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 CN201510613290.1A patent/CN105178013A/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 |
|---|---|---|---|---|
| CN109722224A (en) * | 2017-10-31 | 2019-05-07 | 丹阳市金长汽车部件有限公司 | A kind of brake block of low noise |
| CN111501360A (en) * | 2020-02-27 | 2020-08-07 | 江西鸿力达实业有限公司 | Preparation process of solvent-free microfiber synthetic leather |
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Application publication date: 20151223 |
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