CN108149388A - A kind of two-component acoustical cotton and preparation method thereof - Google Patents
A kind of two-component acoustical cotton and preparation method thereof Download PDFInfo
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- CN108149388A CN108149388A CN201810160180.8A CN201810160180A CN108149388A CN 108149388 A CN108149388 A CN 108149388A CN 201810160180 A CN201810160180 A CN 201810160180A CN 108149388 A CN108149388 A CN 108149388A
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- acoustical cotton
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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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
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Abstract
The invention discloses a kind of two-component acoustical cottons, which is characterized in that the acoustical cotton includes the ingredient of following parts by weight：12~25 parts of Three-dimensional crimped hollow polyester staple fiber, 65~80 parts of polypropylene superfine fiber, bicomponent spunbond non-woven fabrics 10~20g/ of grammes per square metre ㎡.The acoustical cotton of the present invention forms bicomponent meltblown fibers after being mixed using Three-dimensional crimped hollow polyester staple fiber with meltblown fibers, can improve the elasticity recovery of spray fusing non-woven fabrics；Three-dimensional crimped hollow polyester staple fiber carries out collisional mixing with meltblown fibers simultaneously, and the wherein angle of wind power transmission device is 10~30 °, and certain angle can allow the collision of Three-dimensional crimped hollow polyester staple fiber and meltblown fibers fiercer, and mixing is more uniform；Compound, itself suitable adhesion technique is carried out using skin-core structure spun-bonded non-woven fabrics.
Description
Technical field
A kind of acoustical cotton manufacturing technology of the present invention, and in particular to two-component acoustical cotton and preparation method thereof.
Background technology
In recent years, noise pollution is increasingly severe, be i.e. after water pollution, atmosphere pollution and noxious waste pollution again
One serious pollution.It is in noisy environment for a long time, hearing cannot reply in time, and the threshold of audibility shifts, serious to lead to deafness；
Noise easily allows people to generate irascible mood, and so as to influence normally to work, human body can be accelerated by being in for a long time in the environment of noise
Aging；People may there is also the problems such as headache, insomnia, irritability, failure of memory in noisy environment.Noise pollution is more
Kind is various, we have been among the vast sea of noise pollution, and the improvement of noise pollution is had been very urgent.It is non-woven
Material is the first choice of sound-absorbing protective materials as porous material, in recent years melt spraying non-woven fabrics with its excellent characteristic in sound absorber
It is a dark horse in material field.As the improvement of people's living standards, the requirement to product is also higher and higher, not only pursue higher
Sound-absorbing effect will also make it environmentally friendly, hygienic, comfortable.Invention is a high-efficiency sound-absorbing material.
Sound-absorbing material type currently on the market is various, mostly based on non-woven porous material.As the development of science and technology is melted
The good characteristic of blown non-woven fabric is slowly realized have complicated internal structure, there is higher application in sound-absorbing field by people
Value.But melt spraying non-woven fabrics also have the shortcomings that its is notable, strength is relatively low, and elastic recovery is poor.
Invention content
It is provided a kind of using Three-dimensional crimped hollow it is an object of the invention to overcome above-mentioned the deficiencies in the prior art part
Acoustical cotton of polyester staple fiber and preparation method thereof.
To achieve the above object, the technical solution adopted by the present invention is as follows：A kind of acoustical cotton, the acoustical cotton include following
The ingredient of parts by weight：12~30 parts of Three-dimensional crimped hollow polyester staple fiber, 50~80 parts of polypropylene superfine fiber, bicomponent spunbond
Non-woven fabrics 5~20g/ of grammes per square metre ㎡.
As the preferred embodiment of acoustical cotton of the present invention, the acoustical cotton includes the ingredient of following parts by weight：Three
15~25 parts of hollow pet staple fiber of dimension curling, 55~75 parts of polypropylene superfine fiber, bicomponent spunbond non-woven fabrics grammes per square metre 8~
15g/㎡。
As the preferred embodiment of acoustical cotton of the present invention, the acoustical cotton includes the ingredient of following parts by weight：Three
20~22 parts of hollow pet staple fiber of dimension curling, 60~70 parts of polypropylene superfine fiber, bicomponent spunbond non-woven fabrics grammes per square metre 10~
12g/㎡。
As the preferred embodiment of acoustical cotton of the present invention, the two-component spun-bonded non-woven fabrics for PP/PE spunbonds without
Woven fabric.
As the preferred embodiment of acoustical cotton of the present invention, the acoustical cotton further includes sandwich layer, reaches the standard grade set on sandwich layer
The cortex on surface, the sandwich layer include control polyester fiber, polypropylene blown fibers and nano-tourmaline, the cortex in high curling
Include two-component spun-bonded non-woven fabrics.
In addition, another object of the present invention, which also resides in, provides a kind of preparation method of the two-component acoustical cotton, to realize
This purpose, the technical solution that the present invention takes are：A kind of preparation method of two-component acoustical cotton, includes the following steps：
(1) take polypropylene superfine fiber spare；
(2) by the shredding of Three-dimensional crimped hollow polyester staple fiber and web is combed into, then beats again and spread into single fiber, it will
Web is sent into pneumatic conveyer, collides, mixes with the polypropylene superfine fiber of step (1) under the action of air-flow, in net
Primary Speciation acoustical cotton is formed on curtain；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton.
As the preferred embodiment of the present invention, polypropylene superfine fiber is prepared using following methods in the step (1)
It forms：, first through high-temperature fusion, spinneret will be reached after filter, metering pump, through hot-air flow drawing-off after polypropylene chip
Form polypropylene superfine fiber.
It, will be poly- when in step (1) prepared by polypropylene superfine fiber as the preferred embodiment of acoustical cotton of the present invention
It is sent into screw extruder and is melted after propylene slice, one area's temperature of screw rod of the screw extruder is 150~180 DEG C,
Two area's temperature are 180~225 DEG C, and three area's temperature are 210~240 DEG C, and four area's temperature are 230~250 DEG C.
As the preferred embodiment of acoustical cotton of the present invention, polypropylene superfine fiber arrives described in the step (1)
Up to spinneret, the spinneret die temperature of the spinneret is 230~250 DEG C, receives distance as 15~30cm, hot-blast pressure is
0.8~1.2MPa, hot blast temperature are 230 DEG C, and spray angle is 55~60 °.
As the preferred embodiment of acoustical cotton of the present invention, Three-dimensional crimped hollow terylene short fiber in the step (2)
The grammes per square metre for tieing up shredding and the web being combed into is 80~100g/m2。
As the preferred embodiment of acoustical cotton of the present invention, in the step (2) carding machine output speed for 10~
20m/min。
As the preferred embodiment of acoustical cotton of the present invention, two-component polypropylene spray fusing described in the step (2)
Fiber grammes per square metre is 150~300g/ ㎡, and the angle of the pneumatic conveyer is 10~30 °.
As the preferred embodiment of acoustical cotton of the present invention, in the step (3) two-component spun-bonded non-woven fabrics with just
The combined temp of grade form acoustical cotton is 80~130 DEG C.
Compared with prior art, the present invention has the advantages that：
Three-dimensional crimped hollow polyester fiber possesses permanent three-dimensional crimp structure in the present invention, and there is very strong elasticity to return
Renaturation energy, addition Three-dimensional crimped hollow polyester staple fiber can improve the elastic recovery of melt spraying non-woven fabrics, increase product
Service life, while oblique upper angle wind model Three-dimensional crimped hollow polyester staple fiber is used, make it fine with fusion-jetting polypropylene
The collision of dimension is fiercer, and mixing is more uniform, effectively improves the internal structure of melt spraying non-woven fabrics, it is made to be more applicable for inhaling
Sound material.
The preparation process of two-component acoustical cotton of the present invention is compound using skin-core structure combination process and spun-bonded non-woven fabrics progress,
Since spun-bonded non-woven fabrics are bigger than the strength of melt spraying non-woven fabrics, the intensity of melt spraying non-woven fabrics can be improved, is suitble to itself viscous
Close technique.
Description of the drawings
Fig. 1 is a kind of preparation technology flow chart of embodiment of two-component acoustical cotton of the present invention.
Fig. 2 is Primary Speciation acoustical cotton and (PP/PE) two-component spun-bonded non-woven fabrics combination process figure.
Specific embodiment
For more concise displaying technical scheme of the present invention, objects and advantages, with reference to specific embodiment
The present invention is described in further detail.
Embodiment 1
A kind of embodiment of two-component acoustical cotton of the present invention, acoustical cotton described in the present embodiment include following parts by weight into
Point：15 parts of Three-dimensional crimped hollow polyester staple fiber, 75 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 10g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being sent into screw extruder after polypropylene chip, one area of screw rod
Temperature is 150 DEG C, and two area's temperature are 180 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 230 DEG C；By filter, metering pump
After reach spinneret, through hot-air flow drawing-off formed polypropylene superfine fiber；Spinneret die temperature is 230 DEG C, receives distance and is
15cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 0.8MPa, hot blast temperature is 230 DEG C, and spray angle is 55 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 80g/m2；Web is sent into air-flow conveying dress
It puts, web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow terylene short fiber under the action of air-flow
Dimension is collided with meltblown fibers, is mixed, and Primary Speciation acoustical cotton is formed on lace curtaining, and Primary Speciation acoustical cotton grammes per square metre is
130g/ ㎡, the angle of pneumatic conveyer is 20 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin-core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 120 DEG C, such as Fig. 2, wherein 1 is spin
Bonded non-woven fabrics, 2 be hot roll, and 3 be primary acoustical cotton, and 4 be finished product acoustical cotton.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 54%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 31%.Average sound-absorption coefficient 0.51 is bigger 0.14. than the average sound-absorption coefficient of melt spraying non-woven fabrics
Embodiment 2
A kind of embodiment of acoustical cotton of the present invention, acoustical cotton includes the ingredient of following parts by weight described in the present embodiment：It is three-dimensional
Crimp 20 parts of hollow pet staple fiber, 70 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 10g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being first sent into screw extruder after polypropylene chip, screw rod one
Area's temperature is 180 DEG C, and two area's temperature are 225 DEG C, and three area's temperature are 240 DEG C, and four area's temperature are 250 DEG C；By filter, metering
Reach spinneret after pump, polypropylene superfine fiber is formed through hot-air flow drawing-off；Spinneret die temperature is 230 DEG C, receives distance
For 30cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 1.2MPa, hot blast temperature is 230 DEG C, and spray angle is 60 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 100g/m2；Web is sent into air-flow conveying dress
It puts, web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow terylene short fiber under the action of air-flow
Dimension is collided with meltblown fibers, is mixed, and Primary Speciation acoustical cotton is formed on lace curtaining, and Primary Speciation acoustical cotton grammes per square metre is
280g/ ㎡, the angle of pneumatic conveyer is 20 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 130 DEG C.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 58%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 34%.Average sound-absorption coefficient 0.58 is bigger by 0.21 than the average sound-absorption coefficient of melt spraying non-woven fabrics.
Embodiment 3
A kind of embodiment of acoustical cotton of the present invention, acoustical cotton includes the ingredient of following parts by weight described in the present embodiment：It is three-dimensional
Crimp 25 parts of hollow pet staple fiber, 65 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 10g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being first sent into screw extruder after polypropylene chip, screw rod one
Area's temperature is 160 DEG C, and two area's temperature are 200 DEG C, and three area's temperature are 230 DEG C, and four area's temperature are 240 DEG C；By filter, metering
Reach spinneret after pump, polypropylene superfine fiber is formed through hot-air flow drawing-off；Spinneret die temperature is 240 DEG C, receives distance
For 20cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 1.0MPa, hot blast temperature is 230 DEG C, and spray angle is 58 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 90g/m2；Web is sent into air-flow conveying dress
It puts, fibre web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow polyester staple fiber under the action of air-flow
It collided, mixed with meltblown fibers, Primary Speciation acoustical cotton is formed on lace curtaining, the grammes per square metre of Primary Speciation acoustical cotton is
180g/ ㎡, the angle of pneumatic conveyer is 20 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 130 DEG C.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 60%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 35%.Average sound-absorption coefficient 0.55 is bigger by 0.15 than the average sound-absorption coefficient of melt spraying non-woven fabrics.
Embodiment 4
A kind of embodiment of acoustical cotton of the present invention, acoustical cotton includes the ingredient of following parts by weight described in the present embodiment：It is three-dimensional
Crimp 12 parts of hollow pet staple fiber, 80 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 20g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being first sent into screw extruder after polypropylene chip, screw rod one
Area's temperature is 160 DEG C, and two area's temperature are 200 DEG C, and three area's temperature are 230 DEG C, and four area's temperature are 240 DEG C；By filter, metering
Reach spinneret after pump, polypropylene superfine fiber is formed through hot-air flow drawing-off；Spinneret die temperature is 240 DEG C, receives distance
For 20cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 1.0MPa, hot blast temperature is 230 DEG C, and spray angle is 60 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 100g/m2；Web is sent into air-flow conveying dress
It puts, fibre web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow polyester staple fiber under the action of air-flow
It collided, mixed with meltblown fibers, Primary Speciation acoustical cotton is formed on lace curtaining, the grammes per square metre of Primary Speciation acoustical cotton is
180g/ ㎡, the angle of pneumatic conveyer is 30 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 130 DEG C.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 56%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 32%.Average sound-absorption coefficient 0.56 is bigger by 0.21 than the average sound-absorption coefficient of melt spraying non-woven fabrics.
Embodiment 5
A kind of embodiment of acoustical cotton of the present invention, acoustical cotton includes the ingredient of following parts by weight described in the present embodiment：It is three-dimensional
Crimp 30 parts of hollow pet staple fiber, 50 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 5g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being first sent into screw extruder after polypropylene chip, screw rod one
Area's temperature is 160 DEG C, and two area's temperature are 200 DEG C, and three area's temperature are 230 DEG C, and four area's temperature are 240 DEG C；By filter, metering
Reach spinneret after pump, polypropylene superfine fiber is formed through hot-air flow drawing-off；Spinneret die temperature is 240 DEG C, receives distance
For 20cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 1.0MPa, hot blast temperature is 230 DEG C, and spray angle is 60 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 90g/m2；Web is sent into air-flow conveying dress
It puts, fibre web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow polyester staple fiber under the action of air-flow
It collided, mixed with meltblown fibers, Primary Speciation acoustical cotton is formed on lace curtaining, the grammes per square metre of Primary Speciation acoustical cotton is
180g/ ㎡, the angle of pneumatic conveyer is 10 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 80 DEG C.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 59%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 36%.Average sound-absorption coefficient 0.58 is bigger by 0.22 than the average sound-absorption coefficient of melt spraying non-woven fabrics.
Embodiment 6
A kind of embodiment of acoustical cotton of the present invention, acoustical cotton includes the ingredient of following parts by weight described in the present embodiment：It is three-dimensional
Crimp 25 parts of hollow pet staple fiber, 55 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 15g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being first sent into screw extruder after polypropylene chip, screw rod one
Area's temperature is 160 DEG C, and two area's temperature are 200 DEG C, and three area's temperature are 230 DEG C, and four area's temperature are 240 DEG C；By filter, metering
Reach spinneret after pump, polypropylene superfine fiber is formed through hot-air flow drawing-off；Spinneret die temperature is 240 DEG C, receives distance
For 20cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 1.0MPa, hot blast temperature is 230 DEG C, and spray angle is 58 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 90g/m2；Web is sent into air-flow conveying dress
It puts, fibre web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow polyester staple fiber under the action of air-flow
It collided, mixed with meltblown fibers, Primary Speciation acoustical cotton is formed on lace curtaining, the grammes per square metre of Primary Speciation acoustical cotton is
180g/ ㎡, the angle of pneumatic conveyer is 20 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 130 DEG C.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 58%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 35%.Average sound-absorption coefficient 0.55 is bigger by 0.2 than the average sound-absorption coefficient of melt spraying non-woven fabrics.
Embodiment 7
A kind of embodiment of acoustical cotton of the present invention, acoustical cotton includes the ingredient of following parts by weight described in the present embodiment：It is three-dimensional
Crimp 22 parts of hollow pet staple fiber, 60 parts of polypropylene superfine fiber, two-component spun-bonded non-woven fabrics 12g/m2。
Acoustical cotton described in the present embodiment includes sandwich layer, the cortex set on sandwich layer upper and lower surface, and the sandwich layer includes three-dimensional
Hollow pet staple fiber, polypropylene superfine fiber are crimped, the cortex includes two-component spun-bonded non-woven fabrics.
Acoustical cotton is prepared using following methods described in the present embodiment：
(1) polypropylene superfine fiber is prepared：It is melted being first sent into screw extruder after polypropylene chip, screw rod one
Area's temperature is 160 DEG C, and two area's temperature are 200 DEG C, and three area's temperature are 230 DEG C, and four area's temperature are 240 DEG C；By filter, metering
Reach spinneret after pump, polypropylene superfine fiber is formed through hot-air flow drawing-off；Spinneret die temperature is 240 DEG C, receives distance
For 20cm, be heated by the air while melt-blown device heating jet-stream wind enter spinneret die dynamic analysis of spinning stretch it is thin
Change, hot-blast pressure 1.0MPa, hot blast temperature is 230 DEG C, and spray angle is 58 °；
(2) Three-dimensional crimped hollow polyester staple fiber is sent in carding machine and is combed into the uniform web of thickness, it is fully single
Fibrillation, output speed 10m/min, output fiber net mass area ratio are 90g/m2；Web is sent into air-flow conveying dress
It puts, fibre web can be broken up again in pneumatic conveyer, so that Three-dimensional crimped hollow polyester staple fiber under the action of air-flow
It collided, mixed with meltblown fibers, Primary Speciation acoustical cotton is formed on lace curtaining, the grammes per square metre of Primary Speciation acoustical cotton is
180g/ ㎡, the angle of pneumatic conveyer is 20 °；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound
After form acoustical cotton, carried out using the Primary Speciation acoustical cotton formed in skin core structure two-component spun-bonded non-woven fabrics and step (2)
Compound, both sides are laid with spun-bonded non-woven fabrics above and below Primary Speciation acoustical cotton, and combined temp is 130 DEG C.
Elastic recovery rate after addition three-dimensional hollow terylene short fiber can reach 56%, than the elastic recovery of melt spraying non-woven fabrics
It can be high by 36%.Average sound-absorption coefficient 0.56 is bigger by 0.2 than the average sound-absorption coefficient of melt spraying non-woven fabrics.
Embodiment described above only expresses embodiments of the present invention, and description is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of two-component acoustical cotton, which is characterized in that the acoustical cotton includes the ingredient of following parts by weight：Three-dimensional crimped hollow
12~30 parts of polyester staple fiber, 50~80 parts of polypropylene superfine fiber, bicomponent spunbond non-woven fabrics 5~20g/ of grammes per square metre ㎡.
2. two-component acoustical cotton as described in claim 1, which is characterized in that the acoustical cotton include following parts by weight into
Point：15~25 parts of Three-dimensional crimped hollow polyester staple fiber, 55~75 parts of polypropylene superfine fiber, bicomponent spunbond non-woven fabrics grammes per square metre
8~15g/ ㎡.
3. two-component acoustical cotton according to claim 1, which is characterized in that the acoustical cotton include following parts by weight into
Point：20~22 parts of Three-dimensional crimped hollow polyester staple fiber, 60~70 parts of polypropylene superfine fiber, bicomponent spunbond non-woven fabrics grammes per square metre
10~12g/ ㎡.
4. two-component acoustical cotton as described in claim 1, which is characterized in that the two-component spun-bonded non-woven fabrics are spun for PP/PE
Bonded non-woven fabrics.
5. the two-component acoustical cotton as described in claims 1 to 3 is any, which is characterized in that surface of reaching the standard grade including sandwich layer, set on sandwich layer
Cortex, the sandwich layer include Three-dimensional crimped hollow polyester staple fiber, polypropylene superfine fiber and nano-tourmaline, the cortex
Include two-component spun-bonded non-woven fabrics.
6. a kind of preparation method according to any two-component acoustical cotton of Claims 1 to 5, which is characterized in that including with
Lower step：
(1) take polypropylene superfine fiber spare；
(2) by the shredding of Three-dimensional crimped hollow polyester staple fiber and web is combed into, then beats again and spread into single fiber, by fiber
Net is sent into pneumatic conveyer and collides, mixes, the shape on lace curtaining with the polypropylene superfine fiber of step (1) under the action of air-flow
Into Primary Speciation acoustical cotton；
(3) the Primary Speciation acoustical cotton both sides for forming two-component spun-bonded non-woven fabrics in step (2) carry out compound, compound rear shape
Into acoustical cotton.
7. the preparation method of two-component acoustical cotton as claimed in claim 6, which is characterized in that polypropylene in the step (1)
Superfine fibre is prepared using following methods：It, first through high-temperature fusion, will be reached after filter, metering pump after polypropylene chip
To spinneret, polypropylene superfine fiber is formed through hot-air flow drawing-off.
8. the preparation method of two-component acoustical cotton as claimed in claim 6, which is characterized in that three-dimensional crimp in the step (2)
The grammes per square metre of hollow pet staple fiber shredding and the web being combed into is 80~100g/m2。
9. the preparation method of two-component acoustical cotton according to claim 6, which is characterized in that air-flow described in step (2)
The angle of conveying device is 10~30 °.
10. the preparation method of acoustical cotton as claimed in claim 6, which is characterized in that two-component spunbond nonwoven in the step (3)
The combined temp of cloth and Primary Speciation acoustical cotton is 80~130 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823814A (en) * | 2018-08-24 | 2018-11-16 | 芜湖跃飞新型吸音材料股份有限公司 | A kind of short fine production technology with melt-blown composite molding acoustical cotton |
| CN108866829A (en) * | 2018-08-24 | 2018-11-23 | 芜湖跃飞新型吸音材料股份有限公司 | A kind of preparation process of tri- component acoustical cotton of high resiliency PP/PET/PTT |
| CN109440207A (en) * | 2018-10-23 | 2019-03-08 | 南通丽洋洁净材料有限公司 | A kind of staple fibre symbiosis hybrid composite and the preparation method and application thereof with thermal sound-absorbing |
| CN115262084A (en) * | 2022-08-29 | 2022-11-01 | 武汉叁木汽车部件有限公司 | Preparation method and application of automobile NVH material |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343184Y (en) * | 1998-08-12 | 1999-10-13 | 康那香企业股份有限公司 | Multi-layer composite non-woven cloth |
| CN2567250Y (en) * | 2002-09-06 | 2003-08-20 | 王公华 | Puffing thermal insulating nonwoven with high elastic resilience |
| CN101089113A (en) * | 2007-07-10 | 2007-12-19 | 邯郸恒永防护洁净用品有限公司 | Double-component heat insulating material and its prepn process |
| CN103074736A (en) * | 2013-02-06 | 2013-05-01 | 芜湖环瑞汽车内饰件有限公司 | Sound absorption and vibration reduction polyester composite cotton and preparation method of sound absorption and vibration reduction polyester composite cotton |
| CN104619901A (en) * | 2012-09-14 | 2015-05-13 | 出光兴产株式会社 | Multilayer nonwoven fabric and method for producing same |
| CN104746238A (en) * | 2014-05-28 | 2015-07-01 | 上海捷英途新材料科技有限公司 | Stepped density melt-blown nonwoven fabric, manufacturing method thereof and sound absorption materials made of same |
| CN105088542A (en) * | 2014-05-09 | 2015-11-25 | 张家港骏马无纺布有限公司 | High-elongation modified polylactic acid SMS composite nonwoven material and preparation method thereof |
| CN105113121A (en) * | 2015-08-13 | 2015-12-02 | 长兴三马仕纺织品有限公司 | Soft hot-rolled non-woven fabric and preparation method thereof |
| CN106245230A (en) * | 2016-08-31 | 2016-12-21 | 侯慕毅 | A kind of heat-insulating and sound-absorbing material and forming method thereof and special shaping device |
| CN206189008U (en) * | 2016-11-17 | 2017-05-24 | 上海凯密科实业有限公司 | Sound cotton is inhaled to two ingredients of special section structure |
| JP2017106159A (en) * | 2017-03-09 | 2017-06-15 | ダイワボウホールディングス株式会社 | Nonwoven fabric and cushioning material using the same |
| CN106917193A (en) * | 2017-03-28 | 2017-07-04 | 吴江市昌华纺织厂 | Equipment for producing three component compound nonwoven cloths |
| CN206457605U (en) * | 2016-10-19 | 2017-09-01 | 佛山市南海必得福无纺布有限公司 | A kind of production mechanism of bi-component method hot rolling non-woven fabrics |
| CN107571561A (en) * | 2017-09-19 | 2018-01-12 | 南通大学 | A kind of down-like acoustic material and preparation method thereof |
-
2018
- 2018-02-26 CN CN201810160180.8A patent/CN108149388A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343184Y (en) * | 1998-08-12 | 1999-10-13 | 康那香企业股份有限公司 | Multi-layer composite non-woven cloth |
| CN2567250Y (en) * | 2002-09-06 | 2003-08-20 | 王公华 | Puffing thermal insulating nonwoven with high elastic resilience |
| CN101089113A (en) * | 2007-07-10 | 2007-12-19 | 邯郸恒永防护洁净用品有限公司 | Double-component heat insulating material and its prepn process |
| CN104619901A (en) * | 2012-09-14 | 2015-05-13 | 出光兴产株式会社 | Multilayer nonwoven fabric and method for producing same |
| CN103074736A (en) * | 2013-02-06 | 2013-05-01 | 芜湖环瑞汽车内饰件有限公司 | Sound absorption and vibration reduction polyester composite cotton and preparation method of sound absorption and vibration reduction polyester composite cotton |
| CN105088542A (en) * | 2014-05-09 | 2015-11-25 | 张家港骏马无纺布有限公司 | High-elongation modified polylactic acid SMS composite nonwoven material and preparation method thereof |
| CN104746238A (en) * | 2014-05-28 | 2015-07-01 | 上海捷英途新材料科技有限公司 | Stepped density melt-blown nonwoven fabric, manufacturing method thereof and sound absorption materials made of same |
| CN105113121A (en) * | 2015-08-13 | 2015-12-02 | 长兴三马仕纺织品有限公司 | Soft hot-rolled non-woven fabric and preparation method thereof |
| CN106245230A (en) * | 2016-08-31 | 2016-12-21 | 侯慕毅 | A kind of heat-insulating and sound-absorbing material and forming method thereof and special shaping device |
| CN206457605U (en) * | 2016-10-19 | 2017-09-01 | 佛山市南海必得福无纺布有限公司 | A kind of production mechanism of bi-component method hot rolling non-woven fabrics |
| CN206189008U (en) * | 2016-11-17 | 2017-05-24 | 上海凯密科实业有限公司 | Sound cotton is inhaled to two ingredients of special section structure |
| JP2017106159A (en) * | 2017-03-09 | 2017-06-15 | ダイワボウホールディングス株式会社 | Nonwoven fabric and cushioning material using the same |
| CN106917193A (en) * | 2017-03-28 | 2017-07-04 | 吴江市昌华纺织厂 | Equipment for producing three component compound nonwoven cloths |
| CN107571561A (en) * | 2017-09-19 | 2018-01-12 | 南通大学 | A kind of down-like acoustic material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823814A (en) * | 2018-08-24 | 2018-11-16 | 芜湖跃飞新型吸音材料股份有限公司 | A kind of short fine production technology with melt-blown composite molding acoustical cotton |
| CN108866829A (en) * | 2018-08-24 | 2018-11-23 | 芜湖跃飞新型吸音材料股份有限公司 | A kind of preparation process of tri- component acoustical cotton of high resiliency PP/PET/PTT |
| CN109440207A (en) * | 2018-10-23 | 2019-03-08 | 南通丽洋洁净材料有限公司 | A kind of staple fibre symbiosis hybrid composite and the preparation method and application thereof with thermal sound-absorbing |
| CN115262084A (en) * | 2022-08-29 | 2022-11-01 | 武汉叁木汽车部件有限公司 | Preparation method and application of automobile NVH material |
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Application publication date: 20180612 |