CN104746237A - Novel melt-blown non-woven cloth and preparation method thereof - Google Patents
Novel melt-blown non-woven cloth and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a novel melt-blown non-woven cloth and a preparation method thereof. The novel melt-blown non-woven cloth comprises a non-woven cloth manufactured by use of special-shaped fibers; the cross section of the single special-shaped fiber is any one of triangle, pentagon, Y-shape, three-leaf shape, four-leaf shape, five-leaf shape and hollow shape; the special-shaped fibers are produced from any one of polypropylene, high density polyethylene, low density polyethylene, linear low density polyethylene, polyvinyl chloride, polyethylene glycol terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyamide-6, polyamide-66, polylactic acid and polyphenylene sulfide. Compared with the traditional non-woven cloth, the novel melt-blown non-woven cloth has better heat retaining property and adsorbability; a waterproofing agent is added so that the non-woven cloth can be waterproof; due to a deodorant added, the non-woven cloth has a deodorization function; a flame retardant is added to enhance the flame retarding effect of the non-woven cloth; as a result, the non-woven cloth is applicable to fields of firefighting and the application fields of the product are expanded.
Description
[technical field]
The present invention relates to the technical field of non-weaving cloth, particularly the technical field of a kind of novel melt-blowing nonwoven and preparation method thereof.
[background technology]
Non-weaving cloth a kind ofly does not need to spin cotton and weave cloth and the fabric that formed, just textile staple or long filament carried out orientation or random alignment, form fibre net structure, then adopt the methods such as machinery, heat bonding or chemistry to reinforce and form.It is directly utilize that high polymer is cut into slices, staple fibre or long filament are formed by various web forming method and concretion technology has softness, ventilative tencel goods.But the fiber that existing non-weaving cloth is circle by cross section usually obtains, the specific area of traditional circular fiber is less, absorption property is poor, be unfavorable for still air retaining in non-weaving cloth, the heat insulation effect of traditional non-weaving cloth has much room for improvement, and existing non-weaving cloth seldom has interpolation functional reagent adding man-hour, makes the function singleness of non-weaving cloth, the non-weaving cloth of prior art functionally needs to improve in waterproof, fire-retardant, taste removal etc.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of novel melt-blowing nonwoven and preparation method thereof is proposed, non-weaving cloth is formed by profiled filament is obtained, because the specific area of profiled filament is larger than the specific area of traditional circular fiber, except having better adsorptivity, also due to more still air can be retained between profiled filament in non-weaving cloth, be conducive to the heat insulation effect improving obtained non-weaving cloth, therefore advantage of the present invention is, compared to traditional non-weaving cloth, to have better heat insulating ability and adsorptivity.
For achieving the above object, the invention discloses a kind of novel melt-blowing nonwoven, comprise the non-weaving cloth be made up of profiled filament, the cross section of described profiled filament is triangle, pentagon, bifurcation shape, trilobal, quatrefoil, any one in five leaf and hollow shape, described profiled filament is by polypropylene, high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, polyvinyl chloride, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide-6, polyamide-66, in PLA and polyphenylene sulfide, any one is made.
As preferably, the cross section of described profiled filament be triangle, pentagon, bifurcation shape, trilobal, quatrefoil, five leaf in any one time, the circumradius R of profiled filament cross section is 1 ~ 8 μm.
As preferably, described profiled filament is hollow shape, and the internal diameter of profiled filament is 0.1-1 μm, and external diameter is 0.2-1.1 μm.
For achieving the above object, the invention allows for a kind of preparation method of novel melt-blowing nonwoven, comprise the following steps successively:
A) raw material prepares: by polypropylene, high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, polyvinyl chloride, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide-6, polyamide-66, PLA and polyphenylene sulfide, any one makes high polymer section, high polymer section carries out abundant drying before melt spinning, makes its moisture content be less than 0.5%;
B) melt extrude: high polymer section is sent in screw extruder and melt extrudes, and flexibilizer, waterproofing agent, fire retardant and essential oil is added in screw extruder, through special-shaped meltblown beam device ejection after high polymer section, flexibilizer, waterproofing agent, fire retardant and essential oil mixing, screw extruder draw ratio is 25 ~ 40: 1, screw extruder internal box temperature is 180 ~ 350 DEG C, feed zone is 140 ~ 180 DEG C, compression section is at 160 ~ 300 DEG C, metering section is 200 ~ 400 DEG C, screw speed is 10 ~ 110r/min, and measuring pump rotating speed is 10 ~ 60r/min;
C) filature fleece formation: the melt of special-shaped meltblown beam ejection is through both sides high-temperature hot air air drawing, and the profiled filament formed thus forms fibre web by autoadhesion in natural cooling process, and acquisition grammes per square metre is 20 ~ 200g/m
2melt-blowing nonwoven, the high-temperature hot air temperature of special-shaped meltblown beam both sides is 80 ~ 350 DEG C, and high-temperature hot air flow velocity is 80 ~ 1000m/s.
As preferably, described flexibilizer adopts methyl-propyl acid methyl esters and styrene butadiene, described waterproofing agent adopts perfluor alkyl ethyl acrylate, fire retardant adopts tetra methylol sal-ammoniac and dicyandiamide, fire retardant can increase the flame retardant effect of non-weaving cloth, make non-weaving cloth can be used in the fields such as fire-fighting, extend the Application Areas of product.
As preferably, described essential oil adopts any one or several mixtures in Rosa Damascana, refined jasmine oil, Lavender, camomile essential oil.
As preferably, described screw extruder draw ratio is 30: 1, and screw extruder internal box temperature is 280 DEG C, and feed zone is 160 DEG C, and compression section is at 260 DEG C, and metering section is 330 DEG C, and screw speed is 60r/min, and measuring pump rotating speed is 35r/min.
As preferably, the high-temperature hot air temperature of described special-shaped meltblown beam both sides is 245 DEG C, and high-temperature hot air flow velocity is 200m/s.
Beneficial effect of the present invention: in the present invention, non-weaving cloth is formed by profiled filament is obtained, because the specific area of profiled filament is larger than the specific area of traditional circular fiber, except having better adsorptivity, also due to more still air can be retained between profiled filament in non-weaving cloth, be conducive to the heat insulation effect improving obtained non-weaving cloth, therefore advantage of the present invention is compared to traditional non-weaving cloth, there is better heat insulating ability and adsorptivity, adding waterproofing agent makes non-weaving cloth have water-proof function, adding eliminating smell agent makes non-weaving cloth have deodorization functions, fire retardant can increase the flame retardant effect of non-weaving cloth, non-weaving cloth is made to can be used in the fields such as fire-fighting, extend the Application Areas of product.
[detailed description of the invention]
A kind of novel melt-blowing nonwoven of the present invention, comprise the non-weaving cloth be made up of profiled filament, the cross section of described profiled filament is any one in triangle, pentagon, bifurcation shape, trilobal, quatrefoil, five leaf and hollow shape, and by polypropylene, high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, polyvinyl chloride, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide-6, polyamide-66, PLA and polyphenylene sulfide, any one makes described profiled filament.
When the cross section of profiled filament be triangle, pentagon, bifurcation shape, trilobal, quatrefoil, five leaf in any one time, the circumradius R of profiled filament cross section is 1 ~ 8 μm; When profiled filament is hollow shape, the internal diameter of profiled filament is 0.1-1 μm, and external diameter is 0.2-1.1 μm.
A preparation method for novel melt-blowing nonwoven, comprises the following steps successively:
A) raw material prepares: by polypropylene, high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, polyvinyl chloride, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide-6, polyamide-66, PLA and polyphenylene sulfide, any one makes high polymer section, high polymer section carries out abundant drying before melt spinning, makes its moisture content be less than 0.5%;
B) melt extrude: high polymer section is sent in screw extruder and melt extrudes, and flexibilizer, waterproofing agent, fire retardant and essential oil is added in screw extruder, through special-shaped meltblown beam device ejection after high polymer section, flexibilizer, waterproofing agent, fire retardant and essential oil mixing, screw extruder draw ratio is 25 ~ 40: 1, screw extruder internal box temperature is 180 ~ 350 DEG C, feed zone is 140 ~ 180 DEG C, compression section is at 160 ~ 300 DEG C, metering section is 200 ~ 400 DEG C, screw speed is 10 ~ 110r/min, and measuring pump rotating speed is 10 ~ 60r/min;
C) filature fleece formation: the melt of special-shaped meltblown beam ejection is through both sides high-temperature hot air air drawing, and the profiled filament formed thus forms fibre web by autoadhesion in natural cooling process, and acquisition grammes per square metre is 20 ~ 200g/m
2melt-blowing nonwoven, the high-temperature hot air temperature of special-shaped meltblown beam both sides is 80 ~ 350 DEG C, and high-temperature hot air flow velocity is 80 ~ 1000m/s.
Flexibilizer adopts methyl-propyl acid methyl esters and styrene butadiene, waterproofing agent adopts perfluor alkyl ethyl acrylate, fire retardant adopts tetra methylol sal-ammoniac and dicyandiamide, essential oil adopts Rosa Damascana, refined jasmine oil, Lavender, any one or several mixtures in camomile essential oil, screw extruder draw ratio is 30: 1, screw extruder internal box temperature is 280 DEG C, feed zone is 160 DEG C, compression section is at 260 DEG C, metering section is 330 DEG C, screw speed is 60r/min, measuring pump rotating speed is 35r/min, the high-temperature hot air temperature of abnormity meltblown beam both sides is 245 DEG C, high-temperature hot air flow velocity is 200m/s.
Embodiment one:
A kind of novel melt-blowing nonwoven, comprise the non-weaving cloth be made up of profiled filament, the cross section of described profiled filament is pentagon, and profiled filament is made up of high density polyethylene (HDPE), and the circumradius R of profiled filament cross section is 4 μm.
A preparation method for novel melt-blowing nonwoven, comprises the following steps successively:
A) raw material prepares: high density polyethylene (HDPE) is made high polymer section, and high polymer section carries out abundant drying before melt spinning, makes its moisture content be less than 0.5%;
B) melt extrude: high polymer section is sent in screw extruder and melt extrudes, and flexibilizer, waterproofing agent, fire retardant and essential oil is added in screw extruder, through special-shaped meltblown beam device ejection after high polymer section, flexibilizer, waterproofing agent, fire retardant and essential oil mixing, screw extruder draw ratio is 25: 1, screw extruder internal box temperature is 200 DEG C, feed zone is 160 DEG C, compression section is at 200 DEG C, metering section is 300 DEG C, screw speed is 50r/min, and measuring pump rotating speed is 30r/min;
C) filature fleece formation: the melt of special-shaped meltblown beam ejection is through both sides high-temperature hot air air drawing, and the profiled filament formed thus forms fibre web by autoadhesion in natural cooling process, and acquisition grammes per square metre is 20 ~ 200g/m
2melt-blowing nonwoven, the high-temperature hot air temperature of abnormity meltblown beam both sides is 250 DEG C, high-temperature hot air flow velocity is 500m/s, flexibilizer adopts methyl-propyl acid methyl esters and styrene butadiene, waterproofing agent adopts perfluor alkyl ethyl acrylate, fire retardant adopts tetra methylol sal-ammoniac and dicyandiamide, and essential oil adopts any one or several mixtures in Rosa Damascana, refined jasmine oil, Lavender, camomile essential oil.
Embodiment two:
A kind of novel melt-blowing nonwoven, comprises the non-weaving cloth be made up of profiled filament, and the cross section of described profiled filament is five leaf, and profiled filament is made up of polyethylene terephthalate, and the circumradius R of profiled filament cross section is 6 μm.
A preparation method for novel melt-blowing nonwoven, comprises the following steps successively:
A) raw material prepares: polyethylene terephthalate is made high polymer section, and high polymer section carries out abundant drying before melt spinning, makes its moisture content be less than 0.5%;
B) melt extrude: high polymer section is sent in screw extruder and melt extrudes, and flexibilizer, waterproofing agent, fire retardant and essential oil is added in screw extruder, through special-shaped meltblown beam device ejection after high polymer section, flexibilizer, waterproofing agent, fire retardant and essential oil mixing, screw extruder draw ratio is 35: 1, screw extruder internal box temperature is 210 DEG C, feed zone is 170 DEG C, compression section is at 200 DEG C, metering section is 300 DEG C, screw speed is 80r/min, and measuring pump rotating speed is 50r/min;
C) filature fleece formation: the melt of special-shaped meltblown beam ejection is through both sides high-temperature hot air air drawing, and the profiled filament formed thus forms fibre web by autoadhesion in natural cooling process, and acquisition grammes per square metre is 20 ~ 200g/m
2melt-blowing nonwoven, the high-temperature hot air temperature of abnormity meltblown beam both sides is 250 DEG C, high-temperature hot air flow velocity is 500m/s, flexibilizer adopts methyl-propyl acid methyl esters and styrene butadiene, waterproofing agent adopts perfluor alkyl ethyl acrylate, fire retardant adopts tetra methylol sal-ammoniac and dicyandiamide, and essential oil adopts any one or several mixtures in Rosa Damascana, refined jasmine oil, Lavender, camomile essential oil.
Embodiment three:
A kind of novel melt-blowing nonwoven, comprise the non-weaving cloth be made up of profiled filament, the cross section of described profiled filament is hollow shape, and profiled filament is made up of polytrimethylene terephthalate, and the internal diameter of profiled filament is 0.1-1 μm, and external diameter is 0.2-1.1 μm.
A preparation method for novel melt-blowing nonwoven, comprises the following steps successively:
A) raw material prepares: polytrimethylene terephthalate is made high polymer section, and high polymer section carries out abundant drying before melt spinning, makes its moisture content be less than 0.5%;
B) melt extrude: high polymer section is sent in screw extruder and melt extrudes, and flexibilizer, waterproofing agent, fire retardant and essential oil is added in screw extruder, through special-shaped meltblown beam device ejection after high polymer section, flexibilizer, waterproofing agent, fire retardant and essential oil mixing, screw extruder draw ratio is 35: 1, screw extruder internal box temperature is 250 DEG C, feed zone is 180 DEG C, compression section is at 300 DEG C, metering section is 350 DEG C, screw speed is 90r/min, and measuring pump rotating speed is 60r/min;
C) filature fleece formation: the melt of special-shaped meltblown beam ejection is through both sides high-temperature hot air air drawing, and the profiled filament formed thus forms fibre web by autoadhesion in natural cooling process, and acquisition grammes per square metre is 20 ~ 200g/m
2melt-blowing nonwoven, the high-temperature hot air temperature of special-shaped meltblown beam both sides is 250 DEG C, and high-temperature hot air flow velocity is 700m/s.
Flexibilizer adopts methyl-propyl acid methyl esters and styrene butadiene, waterproofing agent adopts perfluor alkyl ethyl acrylate, fire retardant adopts tetra methylol sal-ammoniac and dicyandiamide, and essential oil adopts any one or several mixtures in Rosa Damascana, refined jasmine oil, Lavender, camomile essential oil.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (8)
1. a novel melt-blowing nonwoven, it is characterized in that: comprise the non-weaving cloth be made up of profiled filament, the cross section of described profiled filament is triangle, pentagon, bifurcation shape, trilobal, quatrefoil, any one in five leaf and hollow shape, described profiled filament is by polypropylene, high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, polyvinyl chloride, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide-6, polyamide-66, in PLA and polyphenylene sulfide, any one is made.
2. a kind of novel melt-blowing nonwoven as claimed in claim 1, it is characterized in that: the cross section of described profiled filament be triangle, pentagon, bifurcation shape, trilobal, quatrefoil, five leaf in any one time, the circumradius R of profiled filament cross section is 1 ~ 8 μm.
3. a kind of novel melt-blowing nonwoven as claimed in claim 1, is characterized in that: described profiled filament is hollow shape, the internal diameter of profiled filament is 0.1-1 μm, and external diameter is 0.2-1.1 μm.
4. a preparation method for novel melt-blowing nonwoven, comprises the following steps successively:
A) raw material prepares: by the polypropylene in claim 1, high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, polyvinyl chloride, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT), polyamide-6, polyamide-66, PLA and polyphenylene sulfide, any one makes high polymer section, high polymer section carries out abundant drying before melt spinning, makes its moisture content be less than 0.5%;
B) melt extrude: high polymer section is sent in screw extruder and melt extrudes, and flexibilizer, waterproofing agent, fire retardant and essential oil is added in screw extruder, through special-shaped meltblown beam device ejection after high polymer section, flexibilizer, waterproofing agent, fire retardant and essential oil mixing, screw extruder draw ratio is 25 ~ 40: 1, screw extruder internal box temperature is 180 ~ 350 DEG C, feed zone is 140 ~ 180 DEG C, compression section is at 160 ~ 300 DEG C, metering section is 200 ~ 400 DEG C, screw speed is 10 ~ 110r/min, and measuring pump rotating speed is 10 ~ 60r/min;
C) filature fleece formation: the melt of special-shaped meltblown beam ejection is through both sides high-temperature hot air air drawing, and the profiled filament formed thus forms fibre web by autoadhesion in natural cooling process, and acquisition grammes per square metre is 20 ~ 200g/m
2melt-blowing nonwoven, the high-temperature hot air temperature of special-shaped meltblown beam both sides is 80 ~ 350 DEG C, and high-temperature hot air flow velocity is 80 ~ 1000m/s.
5. the preparation method of a kind of novel melt-blowing nonwoven as claimed in claim 4, it is characterized in that: described flexibilizer adopts methyl-propyl acid methyl esters and styrene butadiene, described waterproofing agent adopts perfluor alkyl ethyl acrylate, and fire retardant adopts tetra methylol sal-ammoniac and dicyandiamide.
6. the preparation method of a kind of novel melt-blowing nonwoven as claimed in claim 4, is characterized in that: described essential oil adopts any one or several mixtures in Rosa Damascana, refined jasmine oil, Lavender, camomile essential oil.
7. the preparation method of a kind of novel melt-blowing nonwoven as claimed in claim 4, it is characterized in that: described screw extruder draw ratio is 30: 1, screw extruder internal box temperature is 280 DEG C, feed zone is 160 DEG C, compression section is at 260 DEG C, metering section is 330 DEG C, and screw speed is 60r/min, and measuring pump rotating speed is 35r/min.
8. the preparation method of a kind of novel melt-blowing nonwoven as claimed in claim 1, is characterized in that: the high-temperature hot air temperature of described special-shaped meltblown beam both sides is 245 DEG C, and high-temperature hot air flow velocity is 200m/s.
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| CN105386240A (en) * | 2015-10-15 | 2016-03-09 | 称道新材料科技(上海)有限公司 | Non-woven fabric composed of melt-blown fibers with different sections, preparing method of non-woven fabric and special spinneret plate |
| CN105624825A (en) * | 2016-03-15 | 2016-06-01 | 张家港骏马无纺布有限公司 | Flame-retardant melt-blowing nonwoven material and preparation method thereof |
| CN105908375A (en) * | 2016-05-05 | 2016-08-31 | 武汉纺织大学 | Polyphenylene sulfide melt-blown composite fiber oil absorption non-woven fabric and preparation method thereof |
| CN106087250A (en) * | 2016-08-24 | 2016-11-09 | 安徽省太湖泽泓塑业有限公司 | A kind of containing Flos Rosae Rugosae quintessence oil, can continuously releasing negative oxygen ion containing bamboo filament fibre non-woven fabrics and preparation method thereof |
| CN106917192A (en) * | 2017-03-31 | 2017-07-04 | 中原工学院 | A kind of preparation method of fireblocking nonwoven cloth |
| CN106995983A (en) * | 2017-04-10 | 2017-08-01 | 河南工程学院 | A kind of production method of double component molten spraying super-fine-fiber net |
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| CN107938176A (en) * | 2017-12-12 | 2018-04-20 | 马鞍山市鑫程纳米新材料科技有限公司 | A kind of preparation method of high-strength meltblown non-woven fabrics |
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| CN112080859A (en) * | 2020-09-03 | 2020-12-15 | 怡佳（福建）卫生用品有限公司 | Low-air-resistance aromatic melt-blown non-woven fabric, planar mask with melt-blown non-woven fabric and manufacturing method of planar mask |
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| CN105624825A (en) * | 2016-03-15 | 2016-06-01 | 张家港骏马无纺布有限公司 | Flame-retardant melt-blowing nonwoven material and preparation method thereof |
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