CN104963093B - A kind of soft non-woven cloth of cotton and preparation method thereof - Google Patents
A kind of soft non-woven cloth of cotton and preparation method thereof Download PDFInfo
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- CN104963093B CN104963093B CN201510377419.3A CN201510377419A CN104963093B CN 104963093 B CN104963093 B CN 104963093B CN 201510377419 A CN201510377419 A CN 201510377419A CN 104963093 B CN104963093 B CN 104963093B
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Abstract
The invention discloses soft non-woven cloth of a kind of cotton and preparation method thereof, the soft non-woven cloth of cotton from top to bottom includes the first Through-Air Thermal Bonded Nonwovens layer, elastic non-woven layer of cloth, the second Through-Air Thermal Bonded Nonwovens layer successively, first Through-Air Thermal Bonded Nonwovens layer and/or the second Through-Air Thermal Bonded Nonwovens layer are provided with the crescent embossing of some row's through-thickness depressions, elastic non-woven layer of cloth is made up of the chopped fiber that with the addition of Vistamaxx special elastomers and modified polypropylene fiber, and chopped fiber is alternately arranged in horizontal, longitudinal multilayer;The crescent embossing of the soft non-woven cloth of cotton is unlikely to deform non-woven cloth, gas permeability improves, fluffy degree is uprised, soft, simultaneously, the addition of Vistamaxx special elastomers can make non-woven cloth have high resiliency, the high grade of transparency, high puncturing resistance, tear-proof and splendid sense of touch in elastic non-woven layer of cloth, and the addition of modified polypropylene fiber makes non-woven cloth soft.The soft non-woven cloth of cotton elastic height, fluffy degree height, good permeability, the softness of the present invention, it is unlikely to deform.
Description
Technical field
The invention belongs to non-woven fabrics field, and in particular to a kind of soft non-woven cloth of cotton and preparation method thereof.
Background technology
Non-woven cloth, is fabric formed by one kind need not spin cotton and weave cloth, and it is to enter textile staple or long filament
Row orientation or random alignment, form fibre net structure, are then reinforced and formed using the method such as mechanical, hot sticky or chemical.Non-woven cloth
Be it is direct cut into slices using high polymer, chopped fiber or long filament it is soft by having for various web forming methods and concretion technology formation
Soft, ventilative and planar structure tencel product.Non-woven cloth breaches traditional weaving principle, and with technological process
Short, speed of production is fast, the features such as yield is high, cost is low, purposes is wide, raw material sources are more, thus be widely used in health care,
The fields such as home decoration, auto industry, garment accessories.Non-woven cloth of the prior art it is elastic it is poor, yielding, soft relax
Adaptive is not high.
The content of the invention
In view of the shortcomings of the prior art, an object of the present invention is to provide a kind of high elasticity, fluffy degree height, gas permeability
Good, soft, the on-deformable soft non-woven cloth of cotton.
For up to this purpose, the present invention uses following technical scheme:
A kind of soft non-woven cloth of cotton, from top to bottom includes the first Through-Air Thermal Bonded Nonwovens layer, elastic non-woven layer of cloth, the successively
Two Through-Air Thermal Bonded Nonwovens layer, the first Through-Air Thermal Bonded Nonwovens layer and/or the second Through-Air Thermal Bonded Nonwovens layer are provided with some row edges
The crescent embossing of thickness direction depression, the elastic non-woven layer of cloth is by with the addition of Vistamaxx special elastomers and modification
The chopped fiber composition of polypropylene fibre, the chopped fiber is alternately arranged in horizontal, longitudinal multilayer.
First Through-Air Thermal Bonded Nonwovens and the second Through-Air Thermal Bonded Nonwovens can be Through-Air Thermal Bonded Nonwovens commonly used in the art, herein
Repeat no more.Crescent embossing can be provided with the first Through-Air Thermal Bonded Nonwovens, can also be on the second Through-Air Thermal Bonded Nonwovens
Crescent embossing is provided with, or crescent pressure is respectively arranged with the first Through-Air Thermal Bonded Nonwovens and the second Through-Air Thermal Bonded Nonwovens
Line.
Wherein, the depth of the crescent embossing is 0.1~0.8mm.
Wherein, often arrange that the distance between two neighboring crescent embossing is equal, the distance is 0.1~0.5mm.
Wherein, the distance between crescent embossing is equal described in adjacent two row, and the distance is 0.1~0.5mm.
Wherein, the elastic non-woven layer of cloth, by weight, by 15~25 parts of Vistamaxx special elastomers and 5~
15 parts of modified polypropylene fiber and 60~75 parts of chopped fiber composition.
Vistamaxx special elastomers are produced by Exxon Mobil Corporation, it is convenient to for fiber and non-woven
The processing of cloth, it is similar with polyacrylic processing.Its elongation of fiber produced using Vistamaxx special elastomers is up to 350%
More than, suitable for more elastomeric application field.Vistamaxx special elastomers have workability, can be viscous with multiple polymers
Knot, therefore numerous application fields can be suitable for using its offer diversification product.The Vistamaxx of Exxon Mobil is extraordinary
Elastomer has unique molecular structure, and metallocene catalysis olefin polymer, available for Modified Polymer, can have polymer
High resiliency, the high grade of transparency, high puncturing resistance, tear-proof, good cryogenic property and splendid sense of touch, the transparent grains of Vistamaxx
Shape, can directly add without secondary granulation, can effectively reduce cost.
Polypropylene fibre is the synthetic fibers that the isotactic polypropylene obtained using propylene polymerization is spinned as raw material, polypropylene
Fiber has many excellent performances, but also has the shortcomings that wax sense is strong, feel is partially hard, difficult dyeing, easily accumulation electrostatic.Therefore to it
It is modified, developing new product variety has turned into the Main way that polypropylene fibre develops.The method of modifying of modified polypropylene fiber can
Think the catalyst modification of metallocene catalyst, or the conventional physically or chemically modification technology of this area, herein not
Repeat again.Modified polypropylene fibre stereoregularity is improved (isotacticity is up to 99.5%), so that polypropylene fibre
Inherent quality greatly improved.The soft non-woven cloth of cotton of the present invention is more soft because of the addition of modified polypropylene fiber
Soft, feel is more preferable.
Wherein, the chopped fiber in the elastic non-woven layer of cloth is ES fibers.
The ES of ES fibers, is that " Ethylene-Propylene Side By Side " abbreviation is that Japanese intelligence rope is public to English
Take charge of one kind of the noticeable polyolefin series fiber developed.As a kind of new thermal bonding composite fibre, ES is fine
Dimension obtains very high evaluation in the world.ES fibers after Overheating Treatment, fiber and fiber mutually then, just can be formed without
The non-woven fabrics formed body of adhesive.ES fibers are a kind of preferably hot sticky fibers, and it is mainly used in the processing of non-woven cloth thermal bonding.
ES fibers are bi-component sheath-core structure composite fiber, and cortical tissue's fusing point is low and flexibility is good, and then fusing point is high for sandwich layer tissue, intensity
It is high.ES fibers are after Overheating Treatment, and low-melting component forms melting adhesion on the crosspoint of fiber, and after cooling down, non-crossing
The fiber of point still keeps original state, and this is a kind of form of " spot bonding " rather than " area's bonding ", thus product has
Bulkiness, flexibility, high intensity, oil suction, the features such as suck blood.ES fibers are especially suitable for use as hot blast and penetrate technique productions sanitary material
The product such as material, warming inserts, filtering material.In recent years, why heat viscosity method application is quickly grown, and these are depended on completely
New composite fibre materials.
Wherein, divide between elastic non-woven layer of cloth and the first Through-Air Thermal Bonded Nonwovens layer and the second Through-Air Thermal Bonded Nonwovens layer
She You not hydrophilic nonwoven layer of cloth.
The second object of the present invention is the preparation method for providing a kind of soft non-woven cloth of cotton, preparation method technique letter
Single, energy consumption is small.
A kind of preparation method of the soft non-woven cloth of cotton, comprises the following steps:
(1) Vistamaxx special elastomers and modified polypropylene fiber are added in chopped fiber, chopped fiber is horizontal, vertical
It is alternately arranged to multilayer and prepares elastic non-woven;
(2) the first Through-Air Thermal Bonded Nonwovens and the second Through-Air Thermal Bonded Nonwovens are combined respectively on two surfaces of elastic non-woven,
After hot blast adhesion the soft non-woven cloth of the cotton is prepared through crescent embossing.
Wherein, the temperature of hot blast adhesion described in the step (2) be 140~150 DEG C, temperature too it is low can reduce fiber it
Between bonding force, product is easily broken deformation;And temperature is too high that product surface can be made too hard, comfort level reduction, therefore, rationally control
Temperature processed is a critically important step during hot blast adhesion.Preferably, hot blast adhesion temperature of the invention is 140~150 DEG C.
Hot blast adhesion refers to penetrate the production that fibre web is allowed to melted by heating and produces bonding using hot blast on drying plant
Mode, during hot blast adhesion, hot carrier is hot-air, as hot-air penetrates fibre web, transfers heat to fiber, makes
It melts and produces bonding.Hot blast adhesion product has that fluffy degree is high, elasticity is good, soft, warmth retention property is strong, ventilative water permeability
The features such as good.
Compared with prior art, beneficial effects of the present invention are:A kind of soft non-woven cloth of cotton, from top to bottom includes the successively
One Through-Air Thermal Bonded Nonwovens layer, elastic non-woven layer of cloth, the second Through-Air Thermal Bonded Nonwovens layer, first Through-Air Thermal Bonded Nonwovens layer and/
Or second Through-Air Thermal Bonded Nonwovens layer be provided with the crescent embossing of some row's through-thickness depression, the elastic non-woven layer of cloth
It is made up of the chopped fiber that with the addition of Vistamaxx special elastomers and modified polypropylene fiber, the chopped fiber is in horizontal, longitudinal direction
Multilayer is alternately arranged;The crescent embossing of the soft non-woven cloth of cotton is unlikely to deform non-woven cloth, gas permeability improves, fluffy degree becomes
Height, meanwhile, the addition of Vistamaxx special elastomers can make non-woven cloth have high resiliency, height thoroughly in elastic non-woven layer of cloth
Lightness, high puncturing resistance, tear-proof and splendid sense of touch, the addition of modified polypropylene fiber make non-woven cloth soft;Therefore,
The soft non-woven cloth of cotton elastic height, fluffy degree height, good permeability, the softness of the present invention, it is unlikely to deform;In addition, the soft non-woven cloth of cotton
Preparation method technique is simple, energy consumption is small.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional view of the soft non-woven cloth of cotton of the present invention;
Fig. 2 is a kind of structural representation on a surface of the soft non-woven cloth of cotton of the present invention.
The Through-Air Thermal Bonded Nonwovens of 1- first layer;2- elastic non-woven layer of cloths;The Through-Air Thermal Bonded Nonwovens of 3- second layer;4- crescent pressures
Line.
Embodiment
Technical scheme is further illustrated below by drawings and Examples.
Unless specific instructions, various raw materials of the invention are commercially available buys, or is prepared according to the conventional method of this area
Obtain.
As shown in Figure 1 and Figure 2, the soft non-woven cloth of cotton of the invention from top to bottom includes the first Through-Air Thermal Bonded Nonwovens layer successively
1st, elastic non-woven layer of cloth 2, the second Through-Air Thermal Bonded Nonwovens layer 3, the first Through-Air Thermal Bonded Nonwovens layer 1 and/or the second hot blast are non-woven
Layer of cloth 3 is provided with the crescent embossing 4 of some row's through-thickness depressions, and elastic non-woven layer of cloth 2 is by with the addition of Vistamaxx
The chopped fiber composition of special elastomer and modified polypropylene fiber, chopped fiber is alternately arranged in horizontal, longitudinal multilayer.
In the present embodiment, it is 0.1~0.8mm that the depth of the crescent embossing 4 of the soft non-woven cloth of cotton, which is preferably, is often arranged adjacent
Equal two crescent embossings the distance between 4 are 0.1~0.5mm, and adjacent two rows crescent embossing the distance between 4 is equal
It is 0.1~0.5mm.
In the present embodiment, the elastic non-woven layer of cloth 2 of the soft non-woven cloth of cotton, by weight, including 20 parts of Vistamaxx
Special elastomer, 10 parts of modified polypropylene fiber and 70 parts of ES fibers.
In the present embodiment, the Through-Air Thermal Bonded Nonwovens of elastic non-woven layer of cloth 2 and first layer 1 and the second Through-Air Thermal Bonded Nonwovens layer 3
Between be respectively equipped with hydrophilic nonwoven layer of cloth, the water suction of the soft non-woven cloth of the cotton thus prepared, water retention property are good.
The manufacture method of the soft non-woven cloth of above-mentioned cotton is described below, comprises the following steps:(1) added in chopped fiber
Vistamaxx special elastomers and modified polypropylene fiber, by chopped fiber laterally, longitudinal multilayer be alternately arranged that preparation elasticity is non-to knit
Make cloth;(2) the first Through-Air Thermal Bonded Nonwovens and the second Through-Air Thermal Bonded Nonwovens, hot blast are combined respectively on two surfaces of elastic non-woven
After bonding the soft non-woven cloth of the cotton is prepared through crescent embossing.Wherein, the temperature of hot blast adhesion is 140~150 DEG C.
The cotton soft non-woven cloth elasticity of the present invention is high, and elongation is and fluffy degree height, good permeability, soft up to more than 350%
It is soft, be unlikely to deform, be particularly suitable for use in baby' diaper, adult health's articles for use and medical supplies etc.;Non- knitted in addition, the cotton of the present invention is soft
The preparation method technique of making cloth is simple, energy consumption is small.
Although in the present invention involved number range (size, technological parameter) in the above-described embodiments it is unrequited go out it is specific
Numerical value, as long as but those skilled in the art's envisioned any numerical value fallen into the above-mentioned number range completely can be real
The present invention is applied, any combination of occurrence in the range of some numerical value is also included certainly.Herein, for the consideration of length, omit
The embodiment of occurrence in certain one or more of number range is provided, this is not to be construed as the disclosure of technical scheme
It is insufficient.
Applicant states that the present invention illustrates the technical principle of the present invention by above-described embodiment.These descriptions are to be
The principle of the present invention is explained, and can not be construed to limiting the scope of the invention in any way.Art
Technical staff it will be clearly understood that any improvement in the present invention, to the equivalence replacement and auxiliary element of each raw material of product of the present invention
Addition, the selection of concrete mode etc., within the scope of all falling within protection scope of the present invention and being open.
Claims (8)
1. a kind of soft non-woven cloth of cotton, it is characterised in that from top to bottom include the first Through-Air Thermal Bonded Nonwovens layer (1), elasticity successively
Nonwoven layer (2), the second Through-Air Thermal Bonded Nonwovens layer (3), the first Through-Air Thermal Bonded Nonwovens layer (1) and/or the second hot blast are non-
Woven layer (3) is provided with the crescent embossing (4) of some row's through-thickness depression, the elastic non-woven layer of cloth (2) by
The chopped fiber composition of Vistamaxx special elastomers and modified polypropylene fiber is with the addition of, the chopped fiber is more in horizontal, longitudinal direction
Layer is alternately arranged, the elastic non-woven layer of cloth (2), by weight, by 15~25 parts of Vistamaxx special elastomers and 5
~15 parts of modified polypropylene fiber and 60~75 parts of chopped fiber composition.
2. a kind of soft non-woven cloth of cotton according to claim 1, it is characterised in that the depth of the crescent embossing (4)
For 0.1~0.8mm.
3. the soft non-woven cloth of a kind of cotton according to claim 1, it is characterised in that often arrange the two neighboring crescent pressure
The distance between line (4) is equal, and the distance is 0.1~0.5mm.
4. the soft non-woven cloth of a kind of cotton according to claim 1, it is characterised in that crescent described in adjacent two row is embossed
(4) the distance between equal, the distance is 0.1~0.5mm.
5. the soft non-woven cloth of a kind of cotton according to claim 1, it is characterised in that the chopped fiber is ES fibers.
6. the soft non-woven cloth of a kind of cotton according to claim 1, it is characterised in that the elastic non-woven layer of cloth (2) with
Hydrophilic nonwoven layer of cloth is respectively equipped between first Through-Air Thermal Bonded Nonwovens layer (1) and the second Through-Air Thermal Bonded Nonwovens layer (3).
7. a kind of preparation method of the soft non-woven cloth of cotton as claimed in claim 1, it is characterised in that comprise the following steps:
(1) Vistamaxx special elastomers and modified polypropylene fiber are added in chopped fiber, chopped fiber is horizontal, longitudinal many
Layer, which is alternately arranged, prepares elastic non-woven;
(2) the first Through-Air Thermal Bonded Nonwovens and the second Through-Air Thermal Bonded Nonwovens, hot blast are combined respectively on two surfaces of elastic non-woven
After bonding the soft non-woven cloth of the cotton is prepared through crescent embossing.
8. the preparation method of the soft non-woven cloth of a kind of cotton according to claim 7, it is characterised in that in the step (2)
The temperature of the hot blast adhesion is 140~150 DEG C.
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WO2019168019A1 (en) * | 2018-03-01 | 2019-09-06 | ニチバン株式会社 | Adhesive bandage and polyurethane nonwoven fabric for adhesive bandage |
CN110714272A (en) * | 2019-10-14 | 2020-01-21 | 江苏盛纺纳米材料科技股份有限公司 | Degradable high-flexibility non-woven fabric and manufacturing method thereof |
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CN102164741A (en) * | 2008-09-30 | 2011-08-24 | 埃克森美孚化学专利公司 | Extensible nonwoven facing layer for elastic multilayer fabrics |
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CN103770384A (en) * | 2014-03-04 | 2014-05-07 | 昆山市宝立无纺布有限公司 | Super-soft non-woven fabric |
CN103850056A (en) * | 2014-03-28 | 2014-06-11 | 昆山市宝立无纺布有限公司 | Embossed nonwoven fabric and production method thereof |
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