CN109097866A - A kind of preparation method of sound-absorbing new material - Google Patents
A kind of preparation method of sound-absorbing new material Download PDFInfo
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- CN109097866A CN109097866A CN201810800937.5A CN201810800937A CN109097866A CN 109097866 A CN109097866 A CN 109097866A CN 201810800937 A CN201810800937 A CN 201810800937A CN 109097866 A CN109097866 A CN 109097866A
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- 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
- 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
- D01F1/103—Agents inhibiting growth of microorganisms
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention provides a kind of preparation method of sound-absorbing new material, by aqueous polyurethane emulsion, pure-acrylic emulsion and carbon nanotube at 40-50 DEG C of temperature, is ultrasonically treated 30-50min, obtains uniformly mixed multiple emulsion；Blanc fixe, molecular sieve, diatomite and calcium stearate mixed grinding are dispersed into 1-2h, obtain mixture A；PET, PP, silica and antimony oxide are stirred to obtain composite fibre body at 150-170 DEG C of temperature；It is added to mixture A and composite fibre body 1:3-6 in mass ratio in multiple emulsion described in the step S1 of 10-15 times of volume, 40-60min is stirred with the speed of 1500-2000rpm at 105-115 DEG C；Melting extrusion is granulated to obtain master batch at a temperature of 170-180 DEG C in investment double screw extruder after stirring；Master batch is put into screw extruder and is melted at 200-220 DEG C, melt is sprayed through the meltblown beam spinneret orifice that temperature is 250-270 DEG C, and is stretched under the effect of 300-320 DEG C of high velocity heated air streams and formed decussating fibers shape, and sound-absorbing new material can be obtained.
Description
Technical field
The present invention relates to technical field of new material preparation, and in particular to a kind of preparation method of sound-absorbing new material.
Background technique
Noise pollution generates greatly harm to people's physiology, mental health, effectively prevents noise pollution, reduces noise
Harm be ensure people work normally and life requisite measure.Sound-absorbing material can from noise generate source, be propagated through
Journey and three aspect of terminal victim protection set about administering noise pollution, are using the hand maximally efficient to noise pollution
Section.
Sound-absorbing material refers to the material with sound-absorbing noise reduction effect, is mainly used in cinema, music hall, museum, exhibition
Look at shop, library, hearing room, gallery, auction hall, gymnasium, Conference Hall, multifunctional hall, hotel lobby, hospital, market,
School, qin room, meeting room, studio, recording studio, KTV private room, bar, industrial premises, computer room, family's noise reduction etc. are to acoustic enviroment
More demanding and top grade decoration place.
Sound-absorbing material can be divided into porous sound absorbing material, resonance acoustical absorption material and special construction sound absorber by its sound absorption characteristics
Material, wherein porous material sound-absorbing material has the characteristics that light-weight, sound-absorbing effect is good, is current most widely used sound-absorbing material
One of.With the fast development of sound-absorbing material industry, existing market cannot be fully met by only having good sound-absorbing effect
Demand, more stringent requirements are proposed to sound-absorbing material by people, and it is good that material not only wants sound absorption qualities, but also requires light-weight.Therefore,
Ultralight high-efficiency sound-absorbing material becomes one of hot spot of global evolution in recent years.
Currently, it is applied to building trade, the noise reduction of the transport facilitys manufacturing such as automobile, rail vehicle, steamer subtracts
Blanket is divided into from characteristic: sound-absorbing material, barrier material and damping material, wherein the wide application in sound-absorbing material
Have the materials such as felts, inorfil class, macromolecule foaming class, all there are various defects in material property, for example:
The defect of felts is Unit Weight sound-absorbing low efficiency, water imbibition is strong, easily mouldy, unwanted volatile content is exceeded；Inorfil
Class such as glass fiber cotton fibre dust is to human health；Macromolecule foaming class such as polyurethane foam cotton environment easy to pollute when producing,
Defect is that water imbibition is superpower, easily burns, sound-absorbing low efficiency.
Summary of the invention
The purpose of the present invention is provide a kind of sound-absorbing new material for sound-absorbing material above shortcomings in the prior art
Preparation method achieve the purpose that efficient and light weight sound-absorbing with the sound absorption qualities of further strengthening material, and good flame retardation effect, no
It easily plays, is environmental-friendly.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of preparation method of sound-absorbing new material, includes the following steps:
S1: by 20-40 parts of aqueous polyurethane emulsions, 20-30 parts of pure-acrylic emulsions and 10-15 parts of carbon nanotubes at 40-50 DEG C of temperature
Under, it is ultrasonically treated 30-50min, obtains uniformly mixed multiple emulsion；
S2: by 8-12 parts of blanc fixes, 3-7 parts of molecular sieves, 5-10 parts of diatomite and 8-15 parts of calcium stearate mixed grinding dispersions
1-2h obtains mixture A；
S3: by 10-20 parts PET, 8-15 parts PP, 3-8 parts of silica and 4-7 parts of antimony oxides at 150-170 DEG C of temperature
It is stirred to obtain composite fibre body；
S4；By composite fibre body 1:3-6 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 10-15 times of body
In multiple emulsion described in long-pending step S1,40-60min is stirred with the speed of 1500-2000rpm at 105-115 DEG C；Sufficiently
Melting extrusion is granulated to obtain master batch at a temperature of 170-180 DEG C in investment double screw extruder after mixing evenly；
S5: it will be melted at 200-220 DEG C in the resulting master batch investment screw extruder of step S4, melt is 250- through temperature
270 DEG C of meltblown beam spinneret orifice sprays, and stretches under the effect of 300-320 DEG C of high velocity heated air streams and form decussating fibers
Sound-absorbing new material can be obtained in shape.
Preferably, in step S1 by 25 parts of aqueous polyurethane emulsions, 25 parts of pure-acrylic emulsions and 13 parts of carbon nanotubes in temperature
At 45 DEG C, it is ultrasonically treated 45min.
Preferably, 10 parts of blanc fixes, 5 parts of molecular sieves, 7 parts of diatomite and 13 parts of calcium stearates are mixed and is ground in step S2
Mill dispersion 1.5h.
Preferably, in step S3 by 15 parts of PET, 12 parts of PP, 6 parts of silica and 5 parts of antimony oxides at 165 DEG C of temperature
Under be stirred.
Preferably, the mass ratio 1:4.5 of mixture A described in step S4 and composite fibre body；The volume of multiple emulsion is
15 times of mixture A and composite fibre body.
Preferably, 50min is stirred with the speed of 1800rpm at 110 DEG C in step S4；It is put into after stirring double
Melting extrusion is granulated to obtain master batch at a temperature of 175 DEG C in screw extruder.
Preferably, it being melted at 210 DEG C in step S5, melt is sprayed through the meltblown beam spinneret orifice that temperature is 265 DEG C, and
The drawing and forming under 310 DEG C of high velocity heated air streams effect.
The utility model has the advantages that
The preparation method of a kind of sound-absorbing new material of the present invention, with aqueous polyurethane emulsion, pure-acrylic emulsion and carbon nanotube system
Multiple emulsion is obtained, with the obtained lightweight mixture A such as blanc fixe, molecular sieve, and composite fibre body is added and is mixed, through twin-screw
Extruder extruding pelletization master batch；Decussating fibers shape, which is formed, through the ejection stretching of meltblown beam spinneret orifice obtains sound-absorbing new material.This hair
Bright new material sound-absorbing effect obtained is good, light, and waterproof is not easy mouldy, and good flame retardation effect, environmental-friendly.
Specific embodiment
Further illustrate that the present invention, following embodiments are merely to illustrate the present invention below in conjunction with following embodiments, and
The unrestricted present invention.
Embodiment 1
S1: by 20 parts of aqueous polyurethane emulsions, 20 parts of pure-acrylic emulsions and 10 parts of carbon nanotubes at 40 DEG C of temperature, ultrasonic treatment
30min obtains uniformly mixed multiple emulsion；
S2: 8 parts of blanc fixes, 3 parts of molecular sieves, 5 parts of diatomite and 8 parts of calcium stearate mixed grindings are dispersed into 1h, obtain mixture
A；
S3: 10 parts of PET, 8 parts of PP, 3 parts of silica and 4 parts of antimony oxides are stirred at 150 DEG C of temperature and are mixed
Condensating fiber body；
S4；By composite fibre body 1:3 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 10 times of volumes
In multiple emulsion described in step S1,40min is stirred with the speed of 1500rpm at 105 DEG C；It is put into after stirring double
Melting extrusion is granulated to obtain master batch at a temperature of 170 DEG C in screw extruder；
S5: will melt at 200 DEG C in step S4 resulting master batch investment screw extruder, and melt is 250 DEG C molten through temperature
Jet mould head spinneret orifice sprays, and stretches under the effect of 300 DEG C of high velocity heated air streams and form decussating fibers shape, and sound-absorbing can be obtained
New material.
Embodiment 2
S1: by 40 parts of aqueous polyurethane emulsions, 30 parts of pure-acrylic emulsions and 15 parts of carbon nanotubes under temperature 50 C, ultrasonic treatment
50min obtains uniformly mixed multiple emulsion；
S2: 12 parts of blanc fixes, 7 parts of molecular sieves, 10 parts of diatomite and 15 parts of calcium stearate mixed grindings are dispersed into 2h, must be mixed
Expect A；
S3: 20 parts of PET, 15 parts of PP, 8 parts of silica and 7 parts of antimony oxides are stirred at 170 DEG C of temperature and are mixed
Condensating fiber body；
S4；By composite fibre body 1:6 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 15 times of volumes
In multiple emulsion described in step S1,60min is stirred with the speed of 2000rpm at 115 DEG C；It is put into after stirring double
Melting extrusion is granulated to obtain master batch at a temperature of 180 DEG C in screw extruder；
S5: will melt at 220 DEG C in step S4 resulting master batch investment screw extruder, and melt is 270 DEG C molten through temperature
Jet mould head spinneret orifice sprays, and stretches under the effect of 320 DEG C of high velocity heated air streams and form decussating fibers shape, and sound-absorbing can be obtained
New material.
Embodiment 3
S1: by 25 parts of aqueous polyurethane emulsions, 22 parts of pure-acrylic emulsions and 12 parts of carbon nanotubes at 43 DEG C of temperature, ultrasonic treatment
35min obtains uniformly mixed multiple emulsion；
S2: 9 parts of blanc fixes, 4 parts of molecular sieves, 6 parts of diatomite and 9 parts of calcium stearate mixed grindings are dispersed into 1.5h, must be mixed
Expect A；
S3: 13 parts of PET, 10 parts of PP, 4 parts of silica and 5 parts of antimony oxides are stirred at 155 DEG C of temperature and are mixed
Condensating fiber body；
S4；By composite fibre body 1:3 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 12 times of volumes
In multiple emulsion described in step S1,45min is stirred with the speed of 1600rpm at 108 DEG C；It is put into after stirring double
Melting extrusion is granulated to obtain master batch at a temperature of 173 DEG C in screw extruder；
S5: will melt at 205 DEG C in step S4 resulting master batch investment screw extruder, and melt is 255 DEG C molten through temperature
Jet mould head spinneret orifice sprays, and stretches under the effect of 305 DEG C of high velocity heated air streams and form decussating fibers shape, and sound-absorbing can be obtained
New material.
Embodiment 4
S1: by 35 parts of aqueous polyurethane emulsions, 27 parts of pure-acrylic emulsions and 15 parts of carbon nanotubes at 47 DEG C of temperature, ultrasonic treatment
45min obtains uniformly mixed multiple emulsion；
S2: 11 parts of blanc fixes, 6 parts of molecular sieves, 8 parts of diatomite and 13 parts of calcium stearate mixed grindings are dispersed into 2h, must be mixed
Expect A；
S3: 17 parts of PET, 14 parts of PP, 7 parts of silica and 7 parts of antimony oxides are stirred at 165 DEG C of temperature and are mixed
Condensating fiber body；
S4；By composite fibre body 1:5 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 14 times of volumes
In multiple emulsion described in step S1,55min is stirred with the speed of 1800rpm at 112 DEG C；It is put into after stirring double
Melting extrusion is granulated to obtain master batch at a temperature of 177 DEG C in screw extruder；
S5: will melt at 210 DEG C in step S4 resulting master batch investment screw extruder, and melt is 265 DEG C molten through temperature
Jet mould head spinneret orifice sprays, and stretches under the effect of 310 DEG C of high velocity heated air streams and form decussating fibers shape, and sound-absorbing can be obtained
New material.
Embodiment 5
S1: by 25 parts of aqueous polyurethane emulsions, 25 parts of pure-acrylic emulsions and 13 parts of carbon nanotubes under temperature 45 C, ultrasonic treatment
45min obtains uniformly mixed multiple emulsion；
S2: 10 parts of blanc fixes, 5 parts of molecular sieves, 7 parts of diatomite and 13 parts of calcium stearate mixed grindings are dispersed into 1.5h, are obtained mixed
Close material A；
S3: 15 parts of PET, 12 parts of PP, 6 parts of silica and 5 parts of antimony oxides are stirred at 165 DEG C of temperature and are mixed
Condensating fiber body；
S4；By composite fibre body 1:4.5 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 15 times of volumes
Step S1 described in multiple emulsion, 50min is stirred with the speed of 1800rpm at 110 DEG C；It is put into after stirring
Melting extrusion is granulated to obtain master batch at a temperature of 175 DEG C in double screw extruder；
S5: will melt at 210 DEG C in step S4 resulting master batch investment screw extruder, and melt is 265 DEG C molten through temperature
Jet mould head spinneret orifice sprays, and stretches under the effect of 310 DEG C of high velocity heated air streams and form decussating fibers shape, and sound-absorbing can be obtained
New material.
By new material performance test obtained by above-mentioned each embodiment, the result is as follows:
| Test | Acoustic absorptivity | Flame retardant rating | Impact strength (KJ/m2) |
| Embodiment 1 | 0.77 | V-0 | 12.4 |
| Embodiment 2 | 0.79 | V-0 | 13.9 |
| Embodiment 3 | 0.81 | V-0 | 14.3 |
| Embodiment 4 | 0.83 | V-0 | 14.8 |
| Embodiment 5 | 0.85 | V-0 | 15.2 |
The foregoing is merely better embodiment of the invention, protection scope of the present invention is not limited with above embodiment,
In every case those of ordinary skill in the art's equivalent modification or variation made by disclosure according to the present invention, should all be included in right and want
It asks in the protection scope recorded in book.
Claims (7)
1. a kind of preparation method of sound-absorbing new material, which comprises the steps of:
S1: by 20-40 parts of aqueous polyurethane emulsions, 20-30 parts of pure-acrylic emulsions and 10-15 parts of carbon nanotubes at 40-50 DEG C of temperature
Under, it is ultrasonically treated 30-50min, obtains uniformly mixed multiple emulsion；
S2: by 8-12 parts of blanc fixes, 3-7 parts of molecular sieves, 5-10 parts of diatomite and 8-15 parts of calcium stearate mixed grinding dispersions
1-2h obtains mixture A；
S3: by 10-20 parts PET, 8-15 parts PP, 3-8 parts of silica and 4-7 parts of antimony oxides at 150-170 DEG C of temperature
It is stirred to obtain composite fibre body；
S4；By composite fibre body 1:3-6 in mass ratio obtained by mixture A obtained by step S2 and step S3, it is added to 10-15 times of body
In multiple emulsion described in long-pending step S1,40-60min is stirred with the speed of 1500-2000rpm at 105-115 DEG C；Sufficiently
Melting extrusion is granulated to obtain master batch at a temperature of 170-180 DEG C in investment double screw extruder after mixing evenly；
S5: it will be melted at 200-220 DEG C in the resulting master batch investment screw extruder of step S4, melt is 250- through temperature
270 DEG C of meltblown beam spinneret orifice sprays, and stretches under the effect of 300-320 DEG C of high velocity heated air streams and form decussating fibers
Sound-absorbing new material can be obtained in shape.
2. a kind of preparation method of sound-absorbing new material according to claim 1, which is characterized in that by 25 parts of water in step S1
Property polyaminoester emulsion, 25 parts of pure-acrylic emulsions and 13 parts of carbon nanotubes under temperature 45 C, be ultrasonically treated 45min.
3. a kind of preparation method of sound-absorbing new material according to claim 1, which is characterized in that by 10 parts of weights in step S2
Spar powder, 5 parts of molecular sieves, 7 parts of diatomite and 13 parts of calcium stearate mixed grindings disperse 1.5h.
4. a kind of preparation method of sound-absorbing new material according to claim 1, which is characterized in that by 15 parts in step S3
PET, 12 parts of PP, 6 parts of silica and 5 parts of antimony oxides are stirred at 165 DEG C of temperature.
5. a kind of preparation method of sound-absorbing new material according to claim 1, which is characterized in that mixed described in step S4
Expect the mass ratio 1:4.5 of A and composite fibre body；The volume of multiple emulsion is 15 times of mixture A and composite fibre body.
6. a kind of preparation method of sound-absorbing new material according to claim 1, which is characterized in that at 110 DEG C in step S4
Under 50min stirred with the speed of 1800rpm；It puts into double screw extruder after stirring and is melted at a temperature of 175 DEG C
Extruding pelletization obtains master batch.
7. a kind of preparation method of sound-absorbing new material according to claim 1, which is characterized in that at 210 DEG C in step S5
Lower melting, melt is sprayed through the meltblown beam spinneret orifice that temperature is 265 DEG C, and is acted on and being pulled down in 310 DEG C of high velocity heated air streams
It is stretched into type.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112026334A (en) * | 2020-08-27 | 2020-12-04 | 晋江旭华新材料科技有限公司 | Method for manufacturing waterborne polyurethane silk screen for figured island superfine fiber composite sheet |
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| CN105801070A (en) * | 2016-03-06 | 2016-07-27 | 胡春宇 | Ochre carbon fiber coating plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112026334A (en) * | 2020-08-27 | 2020-12-04 | 晋江旭华新材料科技有限公司 | Method for manufacturing waterborne polyurethane silk screen for figured island superfine fiber composite sheet |
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Application publication date: 20181228 |