CN106894158A - It is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof - Google Patents
It is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof Download PDFInfo
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- CN106894158A CN106894158A CN201710265138.8A CN201710265138A CN106894158A CN 106894158 A CN106894158 A CN 106894158A CN 201710265138 A CN201710265138 A CN 201710265138A CN 106894158 A CN106894158 A CN 106894158A
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- Prior art keywords
- diaper
- woven fabrics
- pro
- protection pad
- melt
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Classifications
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
Abstract
It is used for diaper the invention discloses one kind,Protection pad,Soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof,This is used for diaper,Protection pad,The soft non-woven fabrics of pro-skin cotton of diaper includes hypothallus,The hypothallus has upper and lower two sides,One layer of oblique fire is respectively equipped with the two sides up and down of the hypothallus and intersects superfine fibre layer,Hydrophilic layer is further respectively had between the oblique fire intersects superfine fibre layer,This is used for diaper,Protection pad,The preparation of the soft non-woven fabrics of pro-skin cotton of diaper feeds including polymer,Melting extrusion,Filtering,Metering,Into net,Batch,Post-processing,The present invention in existing melt spraying non-woven fabrics technique to making optimization,Introduce polyester staple fiber,Improve hydrophily poor,Close structure water suction resistance is larger and fluffy degree is low,The not good defect of feel,Improve the fluffy degree and the uniformity of non-woven fabrics,And improve the associated process conditions parameter in melt blown process,Contrast existing non-woven fabrics,The non-woven fabrics is obviously improved in water imbibition and wicking properties.
Description
Technical field
Present invention relates particularly to a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof.
Background technology
Non-woven fabrics is a kind of fabric that need not be spinned cotton and woven cloth and be formed, and it is to be determined textile staple or long filament
To or random support row, form fibre net structure, then reinforced using the method such as mechanical, hot sticky or chemical and formed.With it is traditional
Technique is compared, with technological process it is short, speed of production is fast, yield is high, low cost, wide purposes the features such as.At present, non-woven fabrics
It is widely used in medical and health use cloth, family decoration cloth, agricultural fabric etc..But this fiber or long filament in process can
Because friction produces electrostatic, obstacle and trouble are brought to subsequent handling, be unfavorable in the carrying out of production, while using process
In, as electrostatic, inconvenience is brought to user.
Melt-blowing nonwoven is it is stretched rapidly by high speed, high temperature gas flow injection polymer melt, thus shape
Into superfine fibre again by itself bond and formed a kind of non-weaving cloth.The melt-blowing nonwoven of currently the majority is with poly-
Propylene is raw material, and purposes is widely.But largely limit melt-blowing nonwoven because polyacrylic hydrophily is poor
In the application of some special dimensions.In recent years, used as new amenities, its productivity and market development are very for wet tissue
Rapidly.But, the product such as current diaper, protection pad, diaper, wet tissue is based on spunlace non-woven cloth, but product is in pliability, pro-skin
The aspects such as performance, water absorbent rate still have many deficiencies.Melt spraying non-woven fabrics have low production cost, the characteristics of fluffy and soft, use
Make the base material of wet tissue in addition to soft feel, moreover it is possible to have larger water absorption and water conservation multiplying power.More reduction.
The content of the invention
The present invention provide it is a kind of for diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton, including hypothallus, the base
Matter layer has upper and lower two sides, one layer of oblique fire is respectively equipped with the two sides up and down of the hypothallus and intersects superfine fibre
Layer, hydrophilic layer is further respectively had between the oblique fire intersects superfine fibre layer.
Further, the hypothallus includes polypropylene 70%-75%, polyester staple fiber 20%-35%, other compositions 10%.
Further, the surface density of the non-woven fabrics is 150g/ ㎡.
It is above-mentioned for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper preparation method, comprise the following steps：
S1：Screw extruder is fed after polypropylene chip is dried to be melted, and hydrophilic modifier is added in polymer melt,
Force feed melt is measured into melt metering pump in the lump, to ensure the stability of melt flowing pressure, precise control fibre fineness
With the uniformity of non-woven fabrics；
S2：The polymer melt feeding temperature that will be measured is 250 DEG C of spinneret die, and it is thin that melt sprays melt from spinneret orifice
Stream；
S3：Drawing-off is carried out to polymer using the high velocity, hot air stream of melt-blowing equipment both sides, while the air at room temperature of both sides is mixed
Drawing-off stream of hot air, makes melt stream cool and solidify shaping, forms superfine fibre；
S4：Superfine fibre is blowed on solidifying lace curtaining or roller in the presence of attenuating blast, and nothing is reinforced into by itself heat bonding
Spin cloth；
S5：Melt blown hot melt powder is carried out in a side of non-woven fabrics, carrying out curtain coating in the non-woven fabrics upper surface for being sprayed with thermal fusing powder covers
Film, treatment temperature is 250-350 °C during curtain coating overlay film；
S6：Sided corona treatment, is sparked using high-frequency high voltage in the good nonwoven surface of overlay film, because polypropylene is fine
Dimension compact structure, hygroscopicity is poor, it is powered after, it is big that electric charge withdraws resistance, is also easy to produce electrostatic, substantial amounts of electrostatic charge is had on material and is accumulated
It is tired, cause potential safety hazard, although hydrophilic modifier is added in course of injection, strengthen the conductive capability of nonwoven surface, but simultaneously
Electrostatic can not be completely eliminated, the purpose that electrostatic is completely eliminated is reached after sided corona treatment；
S7：The overlay film surface crossed in sided corona treatment is coated one layer of hydrophilic layer with viscosity.
Optimization, in the spinning process of above-mentioned steps S3, polyester staple fiber is introduced using electrostatic equipment, make its static electrification
Lotus, polyester staple fiber produces motion in the presence of electrostatic field, in insertion superfine fibre.
Optimization, in above-mentioned steps S1, the adding proportion of hydrophilic modifier is 5.5%, and the content of hydrophilic modifier is relatively low
When, the hydrophily of non-woven fabrics is poor, and the absorption transfer ability to liquid is limited, with the increase of hydrophilic modifier, non-woven fabrics pair
The absorption transfer ability enhancing of liquid, then because hydrophilicity has reached capacity, continues to increase the content of hydrophilic modifier, nothing
Spin influence of the cloth to liquid absorption transfer ability unobvious.
Optimization, the hot air temperature in above-mentioned steps S3 is 300 DEG C, and heat air pressure is 0.4MPa, in air drawing
During polymer melt, the temperature of melt will not be reduced rapidly, be conducive to the further drawing-off of melt, furthermore, it is ensured that spray
Silk degree of fineness, further increasing this it is new for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper soft comfortable
Degree, while so that the structure of non-woven fabrics is more loose, porosity is higher, enhancing non-woven fabrics is to the absorption transfer ability of liquid, air
The size of pressure is relevant with the diameter of fiber.
Optimization, the distance between superfine fibre and solidifying lace curtaining or roller are set to 13-15cm in above-mentioned steps S4, with
Apart from excessive, the speed of service of superfine fibre is gradually reduced, big, the densification of fleece is substantially become into the space of fleece during net
Property be deteriorated, fluffy degree increases, and superfine fibre disperses in air in the presence of air-flow and cannot collect and produce flyings
Phenomenon, the roughness for ultimately resulting in nonwoven surface is larger, increases its coefficient of friction, greatly reduces the elastic performance of non-woven fabrics
And pliability.And apart from too small, superfine fibre reaches solidifying lace curtaining or the time of roller is short, temperature is high, with hot-air direction one
Cause, the pressure that superfine fibre is subject to is larger, so that interfibrous packing increases, the space of formation is small, water absorbing properties and wicking
Performance is restricted.
In sum, the present invention in spinning process, introduces terylene to making optimization in existing melt spraying non-woven fabrics technique
Chopped fiber, improves the polypropylene defect that hydrophily is poor, close structure water suction resistance is larger and fluffy degree is low, feel is not good in itself,
The fluffy degree and the uniformity of non-woven fabrics are improved, and improves the associated process conditions parameter in melt blown process, contrast existing nonwoven
Cloth, this is used for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and is obviously improved in water imbibition and wicking properties.
Specific embodiment
The present invention provide it is a kind of for diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton, including hypothallus, the base
Matter layer has upper and lower two sides, one layer of oblique fire is respectively equipped with the two sides up and down of the hypothallus and intersects superfine fibre
Layer, hydrophilic layer is further respectively had between the oblique fire intersects superfine fibre layer.
Further, the hypothallus includes polypropylene 70%-75%, polyester staple fiber 20%-35%, other compositions 10%.
Further, the surface density of the non-woven fabrics is 150g/ ㎡.
The above-mentioned preparation method for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper is as follows：
Screw extruder is fed after polypropylene chip is dried to be melted, and hydrophilic modifier is added in polymer melt
5.5%, in the lump force feed melt measured into melt metering pump, to ensure the stability of melt flowing pressure, precise control fiber
The uniformity of fineness and non-woven fabrics；The polymer melt feeding temperature that will be measured is 250 DEG C of spinneret die, and melt is from spinneret
Hole sprays melt stream, and polyester staple fiber is introduced using electrostatic equipment while spinneret, makes its static electrification lotus, in electrostatic field
The lower polyester staple fiber of effect produces motion, in insertion superfine fibre.Using the high velocity, hot air stream of melt-blowing equipment both sides to polymerization
Thing carries out drawing-off, and wherein hot air temperature is 300 DEG C, and heat air pressure is 0.4MPa, while the air at room temperature of both sides is mixed leading
Stream of hot air is stretched, melt stream is cooled and solidified shaping, form superfine fibre；Superfine fibre is blowed in the presence of attenuating blast
On solidifying lace curtaining or roller, wherein the distance between superfine fibre and solidifying lace curtaining or roller are set to 13-15cm, by itself
Non-woven fabrics is reinforced into heat bonding；Melt blown hot melt powder is carried out in a side of non-woven fabrics, the non-woven fabrics upper table of thermal fusing powder is being sprayed with
Face carries out curtain coating overlay film, and treatment temperature is 250-350 °C during curtain coating overlay film；Sided corona treatment, using high-frequency high voltage in overlay film
Good nonwoven surface is sparked, and due to polypropylene fibre compact structure, hygroscopicity is poor, it is powered after, electric charge withdraws resistance
Power is big, is also easy to produce electrostatic, and substantial amounts of static charge accumulation is had on material, causes potential safety hazard, although added in course of injection
Hydrophilic modifier, strengthens the conductive capability of nonwoven surface, but electrostatic can not be completely eliminated, and is reached after sided corona treatment completely
Eliminate the purpose of electrostatic；The overlay film surface crossed in sided corona treatment is coated one layer of hydrophilic layer with viscosity, and final being obtained should
For diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton.
Wherein, the setting value of hot air temperature is higher than meltblown beam, during air drawing polymer melt,
The temperature of melt will not be reduced rapidly, be conducive to the further drawing-off of melt, it is ensured that the degree of fineness of spinneret, be further increasing
This it is new for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper soft comfortable degree, while so that the structure of non-woven fabrics more
Loose, porosity is higher, absorption transfer ability of the enhancing non-woven fabrics to liquid.
In above-mentioned technique, the adding proportion of hydrophilic modifier is 5.5%, when the content of hydrophilic modifier is relatively low, non-woven fabrics
Hydrophily is poor, and the absorption transfer ability to liquid is limited, and with the increase of hydrophilic modifier, absorption of the non-woven fabrics to liquid turns
Shifting ability strengthens, and then because hydrophilicity has reached capacity, continues to increase the content of hydrophilic modifier, and non-woven fabrics is inhaled to liquid
The influence for receiving transfer ability is not obvious.
In the above method, hot air temperature is set to 300 DEG C, and heat air pressure is set to 0.4MPa, in air drawing polymer
During melt, the temperature of melt will not be reduced rapidly, be conducive to the further drawing-off of melt, furthermore, it is ensured that the fibre of spinneret
Fineness, further increasing this it is new for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper soft comfortable degree, together
When cause that the structure of non-woven fabrics is more loose, porosity is higher, and enhancing non-woven fabrics is to the absorption transfer ability of liquid.Furthermore, air
The size of pressure is relevant with the diameter of fiber, and air pressure is bigger, and the diameter of fiber is smaller, and the compactness extent of fleece is got over
Height, increases interception probability of the non-woven fabrics to hydrone, largely reducing absorbent properties of the non-woven fabrics to liquid；Conversely, air
Pressure is smaller, and the diameter of fiber is bigger, and the uniformity reduction of non-woven fabrics, structure is excessively fluffy, the friction factor of nonwoven surface
Increase, soft comfortable degree cannot be realized.
In addition, the distance between superfine fibre and solidifying lace curtaining or roller is set to 13-15cm in net process, with
Apart from excessive, the speed of service of superfine fibre is gradually reduced, big, the densification of fleece is substantially become into the space of fleece during net
Property be deteriorated, fluffy degree increases, and superfine fibre disperses in air in the presence of air-flow and cannot collect and produce flyings
Phenomenon, the roughness for ultimately resulting in nonwoven surface is larger, increases its coefficient of friction, greatly reduces the elastic performance of non-woven fabrics
And pliability.And apart from too small, superfine fibre reaches solidifying lace curtaining or the time of roller is short, temperature is high, with hot-air direction one
Cause, the pressure that superfine fibre is subject to is larger, so that interfibrous packing increases, the space of formation is small, water absorbing properties and wicking
Performance is restricted.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent carried out to which part technical characteristic,
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (8)
1. it is a kind of for diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton, it is characterised in that including hypothallus, the matrix
Layer has upper and lower two sides, one layer of oblique fire is respectively equipped with the two sides up and down of the hypothallus and intersects superfine fibre layer,
Hydrophilic layer is further respectively had between the oblique fire intersects superfine fibre layer.
2. it is according to claim 1 it is a kind of for diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton, it is characterised in that
The hypothallus includes polypropylene 70%-75%, polyester staple fiber 20%-35%, other compositions 10%.
3. it is according to claim 1 it is a kind of for diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton, it is characterised in that
The surface density of the non-woven fabrics is 150g/ ㎡.
4. it is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper preparation method, it is characterised in that manufacture right
It is required that in 1-3 described in any one for diaper, protection pad, diaper the soft non-woven fabrics of pro-skin cotton, comprise the following steps：
S1：Screw extruder is fed after polypropylene chip is dried to be melted, and hydrophilic modifier is added in polymer melt,
Force feed melt is measured into melt metering pump in the lump；
S2：The polymer melt feeding temperature that will be measured is 250 DEG C of spinneret die, and it is thin that melt sprays melt from spinneret orifice
Stream；
S3：Drawing-off is carried out to polymer using the high velocity, hot air stream of melt-blowing equipment both sides, while the air at room temperature of both sides is mixed
Drawing-off stream of hot air, makes melt stream cool and solidify shaping, forms superfine fibre；
S4：Superfine fibre is blowed on solidifying lace curtaining or roller in the presence of attenuating blast, and nothing is reinforced into by itself heat bonding
Spin cloth；
S5：Melt blown hot melt powder is carried out in a side of non-woven fabrics, carrying out curtain coating in the non-woven fabrics upper surface for being sprayed with thermal fusing powder covers
Film, treatment temperature is 250-350 °C during curtain coating overlay film；
S6：Sided corona treatment, is sparked using high-frequency high voltage in the good nonwoven surface of overlay film；
S7：The overlay film surface crossed in sided corona treatment is coated one layer of hydrophilic layer with viscosity.
5. it is according to claim 4 it is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper preparation method,
Characterized in that, in the spinning process of step S3, polyester staple fiber is introduced using electrostatic equipment, make its static electrification lotus, in electrostatic
Polyester staple fiber produces motion in the presence of, in insertion superfine fibre.
6. it is according to claim 4 it is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper preparation method,
Characterized in that, in step S1, the adding proportion of hydrophilic modifier is 5.5%.
7. according to claim 5 or 6 it is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper making side
Method, it is characterised in that the hot air temperature in step S3 is 300 DEG C, and heat air pressure is 0.4MPa.
8. according to claim 5 or 6 it is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper making side
Method, it is characterised in that the distance between superfine fibre and solidifying lace curtaining or roller are set to 13-15cm in step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265138.8A CN106894158A (en) | 2017-04-21 | 2017-04-21 | It is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710265138.8A CN106894158A (en) | 2017-04-21 | 2017-04-21 | It is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof |
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| CN106894158A true CN106894158A (en) | 2017-06-27 |
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| CN201710265138.8A Pending CN106894158A (en) | 2017-04-21 | 2017-04-21 | It is a kind of for diaper, protection pad, the soft non-woven fabrics of pro-skin cotton of diaper and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938173A (en) * | 2017-12-25 | 2018-04-20 | 大源无纺新材料（天津）有限公司 | A kind of super hydrophilic non-woven cloth and preparation method thereof |
| CN108085871A (en) * | 2017-12-25 | 2018-05-29 | 北京大源非织造股份有限公司 | A kind of system for being used to prepare super hydrophilic non-woven cloth |
| CN108950860A (en) * | 2018-05-29 | 2018-12-07 | 郑州豫力新材料科技有限公司 | Hydrophilic modifying polypropylene melt-blown producing technology of non-woven fabrics |
| CN111910262A (en) * | 2020-08-04 | 2020-11-10 | 冯建国 | Melt-blown non-woven fabric manufacturing equipment and method, melt-blown non-woven fabric and sanitary product |
| CN113293507A (en) * | 2021-05-14 | 2021-08-24 | 王智 | Production process of melt-blown non-woven fabric |
| CN114502786A (en) * | 2019-10-14 | 2022-05-13 | 韩国商东丽先端素材股份有限公司 | Cell non-toxic hydrophilic modified coating agent, cell non-toxic non-woven fabric containing same and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938173A (en) * | 2017-12-25 | 2018-04-20 | 大源无纺新材料（天津）有限公司 | A kind of super hydrophilic non-woven cloth and preparation method thereof |
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| CN114502786A (en) * | 2019-10-14 | 2022-05-13 | 韩国商东丽先端素材股份有限公司 | Cell non-toxic hydrophilic modified coating agent, cell non-toxic non-woven fabric containing same and preparation method thereof |
| CN111910262A (en) * | 2020-08-04 | 2020-11-10 | 冯建国 | Melt-blown non-woven fabric manufacturing equipment and method, melt-blown non-woven fabric and sanitary product |
| CN113293507A (en) * | 2021-05-14 | 2021-08-24 | 王智 | Production process of melt-blown non-woven fabric |
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Application publication date: 20170627 |