CN102115954B - High-barrier non-woven fabric composite material, and manufacturing method and special equipment thereof - Google Patents

High-barrier non-woven fabric composite material, and manufacturing method and special equipment thereof Download PDF

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CN102115954B
CN102115954B CN 201010607698 CN201010607698A CN102115954B CN 102115954 B CN102115954 B CN 102115954B CN 201010607698 CN201010607698 CN 201010607698 CN 201010607698 A CN201010607698 A CN 201010607698A CN 102115954 B CN102115954 B CN 102115954B
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spun
woven fabrics
bonded non
discharging opening
woven fabric
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CN102115954A (en
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杨丽娜
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Abstract

The invention relates to the technical field of non-woven fabric composite material manufacturing, in particular to a high-barrier non-woven fabric composite material, and a manufacturing method and special equipment thereof. The high-barrier non-woven fabric composite material comprises at least two layers of spunbond non-woven fabric and at least a layer of superfine fiber film-shaped structure material which are integrally formed, wherein, the superfine fiber film-shaped structure material is acquired by calendaring superfine fiber fabric produced through melt blowing, and is sandwiched between the two layers of spun-bonded non-woven fabric; and the density of the spunbond non-woven fabric is 3g/m2 to 120g/m2, and the density of the superfine film-shaped material is 3g/m2 to 60g/m2. The hydrostatic pressure (HSH) of the non-woven fabric composite material manufactured and acquired through the special equipment and the manufacturing method disclosed by the invention is at least 1.5 to 10 times of that of the ordinary SMS (spunbond plus meltblown plus spunbond) non-woven fabric formed by meltblown superfine fiber layers which are not calendared and filmed, so that the barrier ability is greatly improved to totally meet the high barrier requirements of fields such as medical treatment, sanitation, industry and the like for high-barrier products like operation gowns, operation towels, baby diaper bottom lining material, protective clothing and the like, and extra coating or filming processing is no more needed.

Description

A kind of high-barrier non-woven fabric composite material and manufacture method thereof and special equipment
Technical field
The present invention relates to the non-woven fabric composite material preparing technical field, particularly relate to a kind of high-barrier non-woven fabric composite material and manufacture method thereof and special equipment.
Background technology
The trend of the oriented many molten developer nozzles of spun-bonded/melt-blown/spun-bonded non-woven fabrics SMS production line, existing SMMMMS four melts and sprays the configuration of head at present, mainly is positioned to produce the spun-bonded/melt-blown/spun-bonded non-woven fabrics of high barrier.But the occasion in the high-barrier requirement, paper diaper substrate as health industry, the operating coat of medical industry high barrier, surgical operation towel, the protective clothes of industrial trade etc., the barrier of spun-bonded/melt-blown/spun-bonded non-woven fabrics material still can not satisfy the demands, and also needs coating or carries out compound use with membrane materials such as PP, PE.Present coating or with the compound general employing two step method of the films such as PP, PE, namely first produce nonwoven fabric, then carry out coating or compound with film, its complex procedures wastes time and energy, production cost is higher.
Summary of the invention
In order to address the above problem, one of purpose of the present invention provides a kind of integrated, nonwoven fabric with high barrier;
Two of purpose of the present invention is to provide the special equipment with making described high-barrier nonwoven fabric;
Three of purpose of the present invention is to provide the method for making described high-barrier nonwoven fabric with special equipment.
Technical scheme of the present invention is:
A kind of high-barrier nonwoven fabric comprises integrated two-layer at least spun-bonded non-woven fabrics and at least one layer superfine fibre membrane structure material; The membranaceous structural material of described superfine fibre is folded between described spun-bonded non-woven fabrics, and every layer of spun-bonded non-woven fabrics is 3~120g/m 2, the membranaceous structural material of described superfine fibre is 3~60g/m 2
A kind of equipment for preparing described high-barrier nonwoven fabric, comprise workbench, batch charger and hot-rolling mill, be provided with the spatial accommodation of at least two spun-bonded non-woven fabrics materials of keeping apart fully in described batch charger, the spatial accommodation of the first spun-bonded non-woven fabrics material is provided with the first spun-bonded non-woven fabrics material discharging opening near the work you, and the spatial accommodation of the second spun-bonded non-woven fabrics material is provided with the second spun-bonded non-woven fabrics material discharging opening near the work you; Be provided with at least one fusion spray cloth material spatial accommodation between the spatial accommodation of described two spun-bonded non-woven fabrics materials, fusion spray cloth material spatial accommodation is provided with fusion spray cloth material discharging opening near the work you.It is characterized in that, the fusion spray cloth material discharging opening place on described batch charger is provided with and can carries out to the fusion spray cloth material calender of hot rolling; The similar common hot-rolling mill of described calender, but the surface of two rollers in this calender is smooth shape, can be a metallic roll and a rubber rollers, can be also two metallic roll; Hot-rolling mill is to have at least the surface of a roller that carving (concavo-convex) is arranged, and can be a metal surface carving roller and a metal surface smooth roll, and can be also two is all metal surface carving roller.
The described equipment of a kind of use prepares the method for the nonwoven fabric of high barrier, comprises being prepared as follows step:
In the spatial accommodation of the spun-bonded non-woven fabrics material of steps A, the spatial accommodation of spun-bonded non-woven fabrics material of the nonwoven fabric material being put into respectively the first batch charger and the second batch charger; The fusion spray cloth material is put in the fusion spray cloth material spatial accommodation of batch charger;
Step B, opening device start workbench, then open successively the first spun-bonded non-woven fabrics material discharging opening, fusion spray cloth material discharging opening and the second spun-bonded non-woven fabrics material discharging opening;
Step C, open calender, the fusion spray cloth material is carried out press polish hot pressing under 80 ℃~150 ℃, the process conditions of 30N/mm~200N/mm, make the membranaceous structural material of superfine fibre;
80 ℃~250 ℃ of the temperature of step D, adjustment hot-rolling mill, pressure 30N/mm~200N/mm;
by the first spun-bonded non-woven fabrics material discharging opening spun-bonded non-woven fabrics material out under the transmission of workbench, when arriving fusion spray cloth material discharging opening, the fusion spray cloth material discharging opening out membranaceous structural material of superfine fibre covers on the spun-bonded non-woven fabrics material, transmission along with workbench, when having covered the spun-bonded non-woven fabrics material arrival second spun-bonded non-woven fabrics material discharging opening of the membranaceous structural material of superfine fibre, the second spun-bonded non-woven fabrics material discharging opening spun-bonded non-woven fabrics material out covers again on the membranaceous structural material of superfine fibre, the 3-layer composite material film is under the transmission of workbench, entering together hot-rolling mill, to carry out hot rolling compound, make the non-woven fabric composite material of described high-barrier.
The present invention includes integrated two-layer at least spun-bonded non-woven fabrics and at least one layer superfine fibre membrane structure material; The membranaceous structural material of described superfine fibre is folded between described spun-bonded non-woven fabrics, and every layer of spun-bonded non-woven fabrics is 3~120g/m 2, the membranaceous structural material of described superfine fibre is 3~60g/m 2Make through special equipment and manufacture method of the present invention, the resistance to hydrostatic pressure HSH of resulting non-woven fabric composite material is that the melt-blown micro fibre layer is doubly even higher without the 1.5-10 of the common SMS nonwoven fabric of press polish film forming processing, obstructing capacity has improved greatly, the occasion that the high-barrier such as operating coat, surgical operation towel, base film material, protective clothes of the industry high barriers such as medical treatment, health, industry require be can reach fully, and extra coating or overlay film processing need not.Not only production efficiency is high in the present invention in addition, and saves cost.
Description of drawings
Fig. 1 is the structural representation that the present invention prepares high-barrier nonwoven fabric special equipment;
Fig. 2 is the use state diagram that the present invention prepares high-barrier nonwoven fabric special equipment.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Embodiment 1
A kind of high-barrier non-woven fabric composite material comprises integrated two-layer at least spun-bonded non-woven fabrics and at least one layer superfine fibre membrane structure material; The membranaceous structural material of described superfine fibre is folded between described spun-bonded non-woven fabrics, and every layer of spun-bonded non-woven fabrics is 10g/m 2, the membranaceous structural material of described superfine fibre is 5g/m 2
The equipment for preparing described high-barrier nonwoven fabric, see that Fig. 2 comprises workbench 2, batch charger 1 and hot-rolling mill 3, be provided with the spatial accommodation of at least two spun-bonded non-woven fabrics materials of keeping apart fully in described batch charger, the spatial accommodation 11 of the first spun-bonded non-woven fabrics material is provided with the first spun-bonded non-woven fabrics material discharging opening 14, the second spun-bonded non-woven fabrics materials near the work you spatial accommodation 13 is provided with the second spun-bonded non-woven fabrics material discharging opening 16 near the work you; Be provided with at least one fusion spray cloth material spatial accommodation 12 between the spatial accommodation of described two spun-bonded non-woven fabrics materials, fusion spray cloth material spatial accommodation 12 is provided with fusion spray cloth material discharging opening 15 near the work you; Fusion spray cloth material discharging opening 15 places on described batch charger also are provided with and can carry out to the fusion spray cloth material calender 17 of hot rolling, and the surface of two rollers in calender is smooth shape, is a metallic roll and a rubber rollers.
The described equipment of a kind of use prepares the method for the non-woven fabric composite material of high barrier, comprises being prepared as follows step:
In the spatial accommodation of the spun-bonded non-woven fabrics material of steps A, the spatial accommodation 11 of spun-bonded non-woven fabrics material of nonwoven fabric material 8 being put into respectively the first batch charger and the second batch charger 13; Fusion spray cloth material 9 is put in the fusion spray cloth material spatial accommodation 12 of batch charger;
Step B, opening device start workbench 2, then open successively the first spun-bonded non-woven fabrics material discharging opening 14, fusion spray cloth material discharging opening 15 and the second spun-bonded non-woven fabrics material discharging opening 16;
Step C, open calender 17, fusion spray cloth material 9 is carried out press polish hot pressing under 100 ℃, the process conditions of 40N/mm, make the membranaceous structural material of superfine fibre;
140 ℃ of the temperature of step D, adjustment hot-rolling mill 3, pressure 65N/mm;
by the first spun-bonded non-woven fabrics material discharging opening 14 spun-bonded non-woven fabrics material 8 out under the transmission of workbench 2, when arriving fusion spray cloth material discharging opening 15, the fusion spray cloth material discharging opening 15 out membranaceous structural material of superfine fibre covers on spun-bonded non-woven fabrics material 8, transmission along with workbench 2, when having covered the spun-bonded non-woven fabrics material 8 arrival second spun-bonded non-woven fabrics material discharging opening 16 of the membranaceous structural material of superfine fibre, the second spun-bonded non-woven fabrics material discharging opening 16 spun-bonded non-woven fabrics material 8 out covers again on the membranaceous structural material of superfine fibre, the 3-layer composite material film is under the transmission of workbench 2, entering together hot-rolling mill 3, to carry out hot rolling compound, make the non-woven fabric composite material of described high barrier.
Embodiment 2
A kind of high-barrier nonwoven fabric comprises integrated two-layer at least spun-bonded non-woven fabrics and at least one layer superfine fibre membrane structure material; The membranaceous structural material of described superfine fibre is folded between described spun-bonded non-woven fabrics, and every layer of spun-bonded non-woven fabrics is 17.5g/m 2, the membranaceous structural material of described superfine fibre is 15g/m 2
The equipment for preparing described high-barrier nonwoven fabric is identical with embodiment 1; Difference is described step C, opening device, opens calender 17, and the surface of two rollers in described calender 17 is smooth shape, is two strip metal rollers; Fusion spray cloth material 9 is carried out hot pressing under 110 ℃, the process conditions of 50N/mm, make the membranaceous structural material of superfine fibre;
The method for preparing the nonwoven fabric of high barrier with described equipment, identical with embodiment 1,150 ℃ of the temperature of distinguishing and be described step D, adjusting hot-rolling mill 3, pressure 75N/mm.
Embodiment 3
A kind of high-barrier nonwoven fabric comprises integrated two-layer at least spun-bonded non-woven fabrics and at least one layer superfine fibre membrane structure material; The membranaceous structural material of described superfine fibre is folded between described spun-bonded non-woven fabrics, and every layer of spun-bonded non-woven fabrics is 28g/m 2, the membranaceous structural material of described superfine fibre is 24g/m 2
The equipment for preparing described high-barrier nonwoven fabric is identical with embodiment 1; Difference is described step C, opening device, opens calender 17, and the surface of two rollers in calender 17 is smooth shape, is a metallic roll and a rubber rollers; Fusion spray cloth material 9 is carried out hot pressing under 115 ℃, the process conditions of 60N/mm, make the membranaceous structural material of superfine fibre;
The method for preparing the nonwoven fabric of high barrier with described equipment, identical with embodiment 1,155 ℃ of the temperature of distinguishing and be described step D, adjusting hot-rolling mill 3, pressure 85N/mm.
Above-described embodiment is preferred embodiment of the present invention, is not to limit the scope of the present invention, thus all equivalence variation or modifications of being done with the described structure of claim of the present invention, feature and principle, within all should being included in claim scope of the present invention.
The present invention is identical with each layer Gram Mass but spun-bonded/melt-blown/spun-bonded non-woven fabrics (abbreviation Comparative Examples) not press polish film forming of meltblown layer carries out resistance to hydrostatic pressure HSH test, the results are shown in Table 1
Table 1 embodiment and Comparative Examples hydrostatic pressure resistant HSH test result
Figure GDA00002711399700051
Found out by table 1, the integrated high-barrier non-woven fabric composite material that contains the membranaceous structural material of superfine fibre, without calendered SMS nonwoven fabric, its obstructing capacity is greatly to have improved to its resistance to hydrostatic pressure HSH far above traditional meltblown layer.

Claims (2)

1. equipment of making high-barrier non-woven fabric composite material, comprise workbench (2), batch charger (1) and hot-rolling mill (3), be provided with the spatial accommodation of at least two spun-bonded non-woven fabrics materials of keeping apart fully in described batch charger, the spatial accommodation of the first spun-bonded non-woven fabrics material (11) is provided with the first spun-bonded non-woven fabrics material discharging opening (14) near the work you, and the spatial accommodation of the second spun-bonded non-woven fabrics material (13) is provided with the second spun-bonded non-woven fabrics material discharging opening (16) near the work you; Be provided with at least one fusion spray cloth material spatial accommodation (12) between the spatial accommodation of described two spun-bonded non-woven fabrics materials, fusion spray cloth material spatial accommodation (12) is provided with fusion spray cloth material discharging opening (15) near the work you;
Fusion spray cloth material discharging opening (15) on described batch charger is located also to be provided with and can be carried out to the fusion spray cloth material calender (17) of hot pressing processing; Described calender (17) mainly comprises two ganoid rollers, the material of two rollers in described calender, and one is metal material, one is plastic cement material.
2. a method for preparing high-barrier non-woven fabric composite material with the described equipment of claim 1, is characterized in that, comprises being prepared as follows step:
Steps A, nonwoven fabric material (8) is put into respectively in the spatial accommodation (13) of the spatial accommodation (11) of the first spun-bonded non-woven fabrics material and the second spun-bonded non-woven fabrics material; Fusion spray cloth material (9) is put in the fusion spray cloth material spatial accommodation (12) of batch charger;
Step B, opening device start workbench (2), then open successively the first spun-bonded non-woven fabrics material discharging opening (14), fusion spray cloth material discharging opening (15) and the second spun-bonded non-woven fabrics material discharging opening (16);
Step C, open calender (17), fusion spray cloth material (9) is carried out press polish hot pressing under 80 ℃~150 ℃, the process conditions of 30N/mm~200N/mm, make the membranaceous structural material of superfine fibre;
80 ℃~250 ℃ of the temperature of step D, adjustment hot-rolling mill (3), pressure 30N/mm~200N/mm;
by the first spun-bonded non-woven fabrics material discharging opening (14) spun-bonded non-woven fabrics material (8) out under the transmission of workbench (2), when arriving fusion spray cloth material discharging opening (15), fusion spray cloth material discharging opening (15) the out membranaceous structural material of superfine fibre covers on spun-bonded non-woven fabrics material (8), transmission along with workbench (2), when having covered spun-bonded non-woven fabrics material (8) the arrival second spun-bonded non-woven fabrics material discharging opening (16) of the membranaceous structural material of superfine fibre, the second spun-bonded non-woven fabrics material discharging opening (16) spun-bonded non-woven fabrics material (8) out covers again on the membranaceous structural material of superfine fibre, the 3-layer composite material film is under the transmission of workbench (2), entering together hot-rolling mill (3), to carry out hot rolling compound, make the non-woven fabric composite material of described high-barrier.
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CN105124841A (en) * 2015-09-08 2015-12-09 北京市美嘉亿盛医疗器械有限公司 Operation protective cap
CN106757794B (en) * 2015-11-28 2021-05-07 仙桃新发塑料制品有限公司 Novel functional non-woven fabric production line
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CN109835025B (en) * 2017-11-24 2022-04-12 浙江工业职业技术学院 Preparation method of composite non-woven fabric air filtering material
CN108486770A (en) * 2018-03-29 2018-09-04 江苏盛纺纳米材料科技股份有限公司 It is meltblown multidimensional composite nonwoven material, preparation method and applications
CN112030359B (en) * 2020-08-28 2021-10-22 俊富非织造材料(无锡)有限公司 Soft SMS material, preparation method and application thereof in medical hand-brushing clothes
CN115489187B (en) * 2022-09-02 2023-06-30 河南省驼人医疗科技有限公司 High-strength superfine fiber shielding material and preparation method and application thereof
CN115534450A (en) * 2022-09-29 2022-12-30 江苏屋堡建材科技有限公司 High-weather-resistance multifunctional composite film for building enclosure and preparation method thereof

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