CN105525437A - Corrosion-resistant and aging-resistant sound-absorbing cotton and preparation method thereof - Google Patents
Corrosion-resistant and aging-resistant sound-absorbing cotton and preparation method thereof Download PDFInfo
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- CN105525437A CN105525437A CN201610048810.3A CN201610048810A CN105525437A CN 105525437 A CN105525437 A CN 105525437A CN 201610048810 A CN201610048810 A CN 201610048810A CN 105525437 A CN105525437 A CN 105525437A
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- sound
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses corrosion-resistant and aging-resistant sound-absorbing cotton. The sound-absorbing cotton is prepared from raw materials in parts by weight as follows: 80-100 parts of polypropylene, 0.5-1 part of polyoxyethylene lauryl ether, 0.3-0.5 parts of benzotriazole, 10-15 parts of barite powder, 0.5-1 part of sodium alginate, 2-4 parts of styrene, 0.5-1 part of an antioxidant, 3-5 parts of diethyl phthalate, 3-5 parts of butyl methacrylate, 1-2 parts of magnesium stearate, 0.5-1 part of stearic acid, 0.05-0.1 parts of azodiisobutyronitrile and 3-5 parts of functional powder. The sound-absorbing cotton has characteristics of good sound absorption effect, good mechanical property and high durability, has good corrosion resistance and aging resistance, and is safe, environment-friendly, high in comprehensive value, high in practicability and capable of absorbing harmful substances in the air, effectively purifying the air and protecting human health.
Description
Technical field
The present invention relates to sound-absorbing material technical field, particularly relate to a kind of corrosion-resistant ageing-resistant acoustical cotton and preparation method thereof.
Background technology
Due to rapid development of economy, the value volume and range of product of noise source gets more and more, and noise pollution has permeated the every field of people's work, life, noise become affect people's lives the most serious, there is one of pollution the most widely.Along with the continuous enhancing of environmental consciousness, problem of noise pollution is more and more subject to people's attention.For seeking solution, ensure people's life, normally the carrying out of learning activities, needing to continually develop can the new material of control noises harm.
Acoustical cotton belongs to sound-absorbing porous material, when sound is by duct, and multiple reflections in the material, sound energy attenuation and reach the function of sound absorption.Conventional acoustical cotton has glass fibre acoustical cotton and polyester fiber acoustical cotton, and the glass fibre acoustical cotton feature of environmental protection is poor, and raw material contains hazardous substance, and easily causes itch when touching the skin of people, and is not easy to construction.Polyester fiber acoustical cotton is harmless, but poor mechanical property, easily deformable, processing difficulties, durability is not high.Meanwhile, the decay resistance of existing acoustical cotton is poor, and easily occurs aging, greatly have impact on serviceability and service life, constrains its range of application to a great extent.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of corrosion-resistant ageing-resistant acoustical cotton and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of corrosion-resistant ageing-resistant acoustical cotton, it is obtained by the raw material of following weight parts:
Polypropylene 80-100, ethoxylated dodecyl alcohol 0.5-1, BTA 0.3-0.5, blanc fixe 10-15, sodium alginate 0.5-1, styrene 2-4, antioxidant 1010 0.5-1, diethyl phthalate 3-5, butyl methacrylate 3-5, dolomol 1-2, stearic acid 0.5-1, azodiisobutyronitrile 0.05-0.1, function powder 3-5;
Wherein function powder is made up of the raw material of following weight portion: tourmaline powder 5-10, medical stone powder 3-5, nano titanium oxide 2-4, cerium oxide 1-2, hydroxypropyl methylcellulose 1-2, polyvinyl alcohol 1-2, water 40-60; The preparation method of function powder stirs 0.5-1h under first hydroxypropyl methylcellulose and polyvinyl alcohol being added to the water 85-95 DEG C of condition, then add all the other raw materials to continue to stir 1-2h, completely dry after filtering, then in 700-800 DEG C of calcining 1-2h, after cooling, grinding evenly, to obtain final product.
A preparation method for corrosion-resistant ageing-resistant acoustical cotton, comprises the following steps:
(1) ethoxylated dodecyl alcohol be mixed with the aqueous solution of 0.5-1% and jointly add in reactor with sodium alginate, prior to 60-80 DEG C, 400-600r/min stirs 0.5-1h, then blanc fixe and function powder ultrasonic disperse 5-10min is added, temperature is adjusted to 50-60 DEG C, under logical nitrogen protection condition, add styrene, butyl methacrylate and azodiisobutyronitrile stir 4-6h, cooled and filtered, washing, drying, then add stearic acid to mix, after air-flow crushing, obtain modified powder;
(2) by the modified powder in (1) and polypropylene, diethyl phthalate, BTA, dolomol and antioxidant 1010 mixed at high speed are even, then extruded in 200-260 DEG C of melting mixing by double screw extruder, melt spinning method carries out spinning routinely, obtains composite fibre;
(3) composite fibre in (2) is carried out shredding, combing, is stacked into net, then hot-forming, after surface treatment, namely obtain corrosion-resistant ageing-resistant acoustical cotton.
Advantage of the present invention is: the complex function powder and blanc fixe with efficient anion releasing effect carry out composite as filler by the present invention, and utilize styrene and butyl methacrylate emulsion polymerisation to carry out composite modified to filling surface, effectively enhance the compatibility between filler and polypropylene matrix and synergy, both the mechanical property of synthetic material had been improved, effectively improve again the porosity of material, promote sound absorbing capabilities; Simultaneously; with all the other raw materials composite formation composite fibre base-material, then obtain composite fibre by melt spinning method, then obtain product by common process; the acoustical cotton obtained is made not only to have acoustically effective and mechanical property is good, durability is high feature; and have good corrosion-resistant, ageing-resistant performance, safety and environmental protection, the harmful substance in air can also be absorbed; effectively purify air; protection health, comprehensive value is high, practical.
Detailed description of the invention
A kind of corrosion-resistant ageing-resistant acoustical cotton, it is obtained by the raw material of following weight parts:
Polypropylene 80, ethoxylated dodecyl alcohol 0.5, BTA 0.3, blanc fixe 10, sodium alginate 0.5, styrene 2, antioxidant 1010 0.5, diethyl phthalate 3, butyl methacrylate 3, dolomol 1, stearic acid 0.5, azodiisobutyronitrile 0.05, function powder 3;
Wherein function powder is made up of the raw material of following weight portion: tourmaline powder 5, medical stone powder 3, nano titanium oxide 2, cerium oxide 1, hydroxypropyl methylcellulose 1, polyvinyl alcohol 1, water 40; The preparation method of function powder stirs 0.5h under first hydroxypropyl methylcellulose and polyvinyl alcohol being added to the water 85 DEG C of conditions, then adds all the other raw materials and continues to stir 1h, completely dry after filtering, then in 700 DEG C of calcining 1h, after cooling, grinding evenly, to obtain final product.
A preparation method for corrosion-resistant ageing-resistant acoustical cotton, comprises the following steps:
(1) ethoxylated dodecyl alcohol be mixed with the aqueous solution of 0.5% and jointly add in reactor with sodium alginate, prior to 60 DEG C, 400r/min stirs 0.5h, then blanc fixe and function powder ultrasonic disperse 5min is added, temperature is adjusted to 50 DEG C, under logical nitrogen protection condition, add styrene, butyl methacrylate and azodiisobutyronitrile stir 4h, cooled and filtered, washing, drying, then add stearic acid and mix, and obtains modified powder after air-flow crushing;
(2) by the modified powder in (1) and polypropylene, diethyl phthalate, BTA, dolomol and antioxidant 1010 mixed at high speed are even, then extruded in 200-260 DEG C of melting mixing by double screw extruder, melt spinning method carries out spinning routinely, obtains composite fibre;
(3) composite fibre in (2) is carried out shredding, combing, is stacked into net, then hot-forming, after surface treatment, namely obtain corrosion-resistant ageing-resistant acoustical cotton.
As follows to above-mentioned obtained acoustical cotton performance test results:
The thick product NRC of 5cm (comprehensive Noise Reduction coefficient): 0.87;
Tearing strength: 7.2N/cm.
Claims (2)
1. a corrosion-resistant ageing-resistant acoustical cotton, is characterized in that, it is obtained by the raw material of following weight parts:
Polypropylene 80-100, ethoxylated dodecyl alcohol 0.5-1, BTA 0.3-0.5, blanc fixe 10-15, sodium alginate 0.5-1, styrene 2-4, antioxidant 1010 0.5-1, diethyl phthalate 3-5, butyl methacrylate 3-5, dolomol 1-2, stearic acid 0.5-1, azodiisobutyronitrile 0.05-0.1, function powder 3-5;
Described function powder is made up of the raw material of following weight portion: tourmaline powder 5-10, medical stone powder 3-5, nano titanium oxide 2-4, cerium oxide 1-2, hydroxypropyl methylcellulose 1-2, polyvinyl alcohol 1-2, water 40-60; The preparation method of function powder stirs 0.5-1h under first hydroxypropyl methylcellulose and polyvinyl alcohol being added to the water 85-95 DEG C of condition, then add all the other raw materials to continue to stir 1-2h, completely dry after filtering, then in 700-800 DEG C of calcining 1-2h, after cooling, grinding evenly, to obtain final product.
2. the preparation method of a kind of corrosion-resistant ageing-resistant acoustical cotton according to claim 1, is characterized in that, comprise the following steps:
(1) ethoxylated dodecyl alcohol be mixed with the aqueous solution of 0.5-1% and jointly add in reactor with sodium alginate, prior to 60-80 DEG C, 400-600r/min stirs 0.5-1h, then blanc fixe and function powder ultrasonic disperse 5-10min is added, temperature is adjusted to 50-60 DEG C, under logical nitrogen protection condition, add styrene, butyl methacrylate and azodiisobutyronitrile stir 4-6h, cooled and filtered, washing, drying, then add stearic acid to mix, after air-flow crushing, obtain modified powder;
(2) by the modified powder in (1) and polypropylene, diethyl phthalate, BTA, dolomol and antioxidant 1010 mixed at high speed are even, then extruded in 200-260 DEG C of melting mixing by double screw extruder, melt spinning method carries out spinning routinely, obtains composite fibre;
(3) composite fibre in (2) is carried out shredding, combing, is stacked into net, then hot-forming, after surface treatment, namely obtain corrosion-resistant ageing-resistant acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048810.3A CN105525437A (en) | 2016-01-26 | 2016-01-26 | Corrosion-resistant and aging-resistant sound-absorbing cotton and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048810.3A CN105525437A (en) | 2016-01-26 | 2016-01-26 | Corrosion-resistant and aging-resistant sound-absorbing cotton and preparation method thereof |
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| CN105525437A true CN105525437A (en) | 2016-04-27 |
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| CN201610048810.3A Pending CN105525437A (en) | 2016-01-26 | 2016-01-26 | Corrosion-resistant and aging-resistant sound-absorbing cotton and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687057A (en) * | 2020-12-30 | 2022-07-01 | 浙江青昀新材料科技有限公司 | Flash evaporation sheet and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114687057A (en) * | 2020-12-30 | 2022-07-01 | 浙江青昀新材料科技有限公司 | Flash evaporation sheet and application thereof |
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Application publication date: 20160427 |
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