CN107974765A - A kind of non-woven fabric compounded guide layer and preparation method thereof - Google Patents

A kind of non-woven fabric compounded guide layer and preparation method thereof Download PDF

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Publication number
CN107974765A
CN107974765A CN201711007697.5A CN201711007697A CN107974765A CN 107974765 A CN107974765 A CN 107974765A CN 201711007697 A CN201711007697 A CN 201711007697A CN 107974765 A CN107974765 A CN 107974765A
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layer
viscose rayon
nonwoven
nonwoven layer
dtex
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CN107974765B (en
Inventor
施鹏毅
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Fujian Ming Rui New Material Development Co Ltd
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Fujian Ming Rui New Material Development Co Ltd
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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
    • D04H1/4374—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 using different kinds of webs, e.g. by layering webs
    • 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
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • 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
    • 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
    • D04H1/43—Acrylonitrile series
    • 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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • 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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding

Abstract

The present invention relates to a kind of non-woven fabric compounded guide layer, including the first nonwoven layer, first viscose rayon layer, second nonwoven layer, second viscose rayon layer and the 3rd nonwoven layer, first nonwoven layer, first viscose rayon layer, second nonwoven layer, second viscose rayon layer and the 3rd nonwoven layer are set gradually, between first nonwoven layer and the second nonwoven layer, it is compound by acupuncture respectively between second viscose rayon layer and the 3rd nonwoven layer and between the first nonwoven layer and the 3rd nonwoven layer, the dry strength of the first viscose rayon layer is 37 45cN/dtex, the dry strength of the second viscose rayon layer is 44 49cN/dtex.The non-woven fabric compounded guide layer of the present invention has good intensity and imbibition ability.

Description

A kind of non-woven fabric compounded guide layer and preparation method thereof
Technical field
The present invention relates to Nonwovens In Technology, more particularly to a kind of non-woven fabric compounded guide layer and preparation method thereof.
Background technology
Guide layer is one layer of non-woven material between skin-material and absorptive core, generally use nonwoven cloth material Make, the effect of the guide layer is to allow liquid quickly to be conducted downwards from skin-material and liquid is diffused into absorptive core, together When temporarily store liquid so that liquid is quickly absorbed.
There are the problem of intensity and insufficient imbibition ability for existing flowing layer material.
The content of the invention
The technical problems to be solved by the invention are：There is provided and a kind of effectively improve intensity and the non-woven fabrics of imbibition ability is answered Close guide layer and preparation method thereof.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of non-woven fabric compounded guide layer, including the first nonwoven layer, the first viscose rayon layer, the second nonwoven layer, Two viscose rayon layers and the 3rd nonwoven layer, first nonwoven layer, the first viscose rayon layer, the second nonwoven layer, second Viscose rayon layer and the 3rd nonwoven layer are set gradually, between first nonwoven layer and the second nonwoven layer, the second viscose glue Compound by acupuncture respectively, institute between fibrous layer and the 3rd nonwoven layer and between the first nonwoven layer and the 3rd nonwoven layer The dry strength for stating the first viscose rayon layer is 37-45cN/dtex, and the dry strength of the second viscose rayon layer is 44- 49cN/dtex, the material of first nonwoven layer are at least one of polypropylene fiber and polyester fiber, second nonwoven The material of layer of cloth is at least one of nylon fibre and acrylic fiber, the material of the 3rd nonwoven layer for polyethylene fibre and At least one of polyvinyl chloride fibre fiber.
The present invention also provides a kind of preparation method of non-woven fabric compounded guide layer, comprise the following steps：
(1) at least one of polypropylene fiber and polyester fiber fiber are combed, obtains the first nonwoven layer；By brocade At least one of synthetic fibre fiber and acrylic fiber are combed, and obtain the second nonwoven layer；By in polyethylene fibre and polyvinyl chloride fibre fiber At least one combed, obtain the 3rd nonwoven layer；The viscose rayon that dry strength is 37-45cN/dtex is combed Reason, obtains the first viscose rayon layer；The viscose rayon that dry strength is 44-49cN/dtex is combed, obtains the second viscose glue Fibrous layer；
(2) first nonwoven layer, the first viscose rayon layer and the second nonwoven layer are arranged in order and pass through acupuncture It is compound, obtain the first pre-composite layer；The second viscose rayon layer is arranged in order with the 3rd nonwoven layer and is answered by acupuncture Close, obtain the second pre-composite layer；Described first pre-composite layer is arranged in order and compound by acupuncture with the second pre-composite layer；
(3) by first pre-composite layer of the acupuncture after compound and second it is pre-composite be sent into penetration drying machine heat it is multiple Close and reinforce, then carry out cooling successively with rolls, obtain the non-woven fabric compounded guide layer.
The beneficial effects of the present invention are：
It is 44-49cN/dtex's by the first viscose rayon layer and dry strength that dry strength is 37-45cN/dtex The matching design of second viscose rayon layer, the first nonwoven layer, the second nonwoven layer and the 3rd nonwoven layer are set with the time, and first The material of nonwoven layer is at least one of polypropylene fiber and polyester fiber, the material of the second nonwoven layer for nylon fibre and At least one of acrylic fiber, the material of the 3rd nonwoven layer are at least one of polyethylene fibre and polyvinyl chloride fibre fiber, above-mentioned Matching design can effectively improve the intensity and imbibition ability of the non-woven fabric compounded guide layer of acquisition.
Brief description of the drawings
Fig. 1 is the hierarchical structure schematic diagram of the non-woven fabric compounded guide layer of the embodiment of the present invention.
Label declaration：
1st, the first nonwoven layer；2nd, the first viscose rayon layer；3rd, the second nonwoven layer；4th, the second viscose rayon layer；5th, Three nonwoven layers.
Embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached Figure is explained.
The design of most critical of the present invention is：Design above-mentioned including the first nonwoven layer, the first viscose rayon layer, the second nothing The non-woven fabric compounded guide layer of woven fabric layer, the second viscose rayon layer and the 3rd nonwoven layer.
It refer to Fig. 1, a kind of non-woven fabric compounded guide layer, including the first nonwoven layer 1, the first viscose rayon layer 2, second Nonwoven layer 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5, first nonwoven layer 1, the first viscose rayon layer 2, Two nonwoven layers 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5 are set gradually, 1 and second nothing of the first nonwoven layer Between woven fabric layer 3, between the second viscose rayon layer 4 and the 3rd nonwoven layer 5 and the first nonwoven layer 1 and the 3rd nonwoven layer Compound by acupuncture respectively between 5, the dry strength of the first viscose rayon layer 2 is 37-45cN/dtex, and described second is viscous The dry strength of glue fiber layer 4 is 44-49cN/dtex, and the material of first nonwoven layer 1 is polypropylene fiber and polyester fiber At least one of, the material of second nonwoven layer 3 is at least one of nylon fibre and acrylic fiber, the described 3rd The material of nonwoven layer 5 is at least one of polyethylene fibre and polyvinyl chloride fibre fiber.
The present invention also provides a kind of preparation method of non-woven fabric compounded guide layer, comprise the following steps：
(1) at least one of polypropylene fiber and polyester fiber fiber are combed, obtains the first nonwoven layer；By brocade At least one of synthetic fibre fiber and acrylic fiber are combed, and obtain the second nonwoven layer；By in polyethylene fibre and polyvinyl chloride fibre fiber At least one combed, obtain the 3rd nonwoven layer；The viscose rayon that dry strength is 37-45cN/dtex is combed Reason, obtains the first viscose rayon layer；The viscose rayon that dry strength is 44-49cN/dtex is combed, obtains the second viscose glue Fibrous layer；
(2) first nonwoven layer, the first viscose rayon layer and the second nonwoven layer are arranged in order and pass through acupuncture It is compound, obtain the first pre-composite layer；The second viscose rayon layer is arranged in order with the 3rd nonwoven layer and is answered by acupuncture Close, obtain the second pre-composite layer；Described first pre-composite layer is arranged in order and compound by acupuncture with the second pre-composite layer；
(3) by first pre-composite layer of the acupuncture after compound and second it is pre-composite be sent into penetration drying machine heat it is multiple Close and reinforce, then carry out cooling successively with rolls, obtain the non-woven fabric compounded guide layer.
As can be seen from the above description, the beneficial effects of the present invention are：
It is 44-49cN/dtex's by the first viscose rayon layer and dry strength that dry strength is 37-45cN/dtex The matching design of second viscose rayon layer, the first nonwoven layer, the second nonwoven layer and the 3rd nonwoven layer are set with the time, and first The material of nonwoven layer is at least one of polypropylene fiber and polyester fiber, the material of the second nonwoven layer for nylon fibre and At least one of acrylic fiber, the material of the 3rd nonwoven layer are at least one of polyethylene fibre and polyvinyl chloride fibre fiber, above-mentioned Matching design can effectively improve the intensity and imbibition ability of the non-woven fabric compounded guide layer of acquisition.
Further, the thickness of the non-woven fabric compounded guide layer is 2.0-2.8mm；First nonwoven layer, first Viscose rayon layer, the second nonwoven layer, the thickness ratio of the second viscose rayon layer and the 3rd nonwoven layer are followed successively by 3:0.5- 0.8:1:0.5-0.8:3。
Seen from the above description, above-mentioned gross thickness and specific thickness ratio are more stable with that can obtain a structure And the advantages of non-woven fabric compounded guide layer of intensity higher.
Further, first nonwoven layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer Surface density with the 3rd nonwoven layer is respectively 20-80g/m2。
Seen from the above description, the design of above-mentioned surface density can obtain good screen cloth quality.
Further, the dry strength of the first viscose rayon layer is 37.5-38.5cN/dtex or 44-44.5cN/ Dtex, the dry strength of the second viscose rayon layer is 44-44.5cN/dtex or 48-49cN/dtex.
Seen from the above description, the design of the dry strength of above-mentioned first viscose rayon layer and the second viscose rayon layer, can Further to obtain the intensity and imbibition ability of the non-woven fabric compounded guide layer of higher.
Further, the dry strength of the first viscose rayon layer is 37.5-38.5cN/dtex, second viscose glue The dry strength of fibrous layer is 44-44.5cN/dtex or 48-49cN/dtex.
Further, the dry strength of the first viscose rayon layer is 37.5-38.5cN/dtex or 44-44.5cN/ Dtex, the dry strength of the second viscose rayon layer is 48-49cN/dtex.
Further, the dry strength of the first viscose rayon layer is 44-44.5cN/dtex, and second viscose glue is fine The dry strength for tieing up layer is 44-44.5cN/dtex.
Seen from the above description, it is more highly preferred to, optional above-mentioned first viscose rayon layer and the second viscose rayon layer Dry strength, makes non-woven fabric compounded guide layer have optimal intensity and imbibition ability.
Fig. 1 is refer to, the embodiment of the present invention one is：
The non-woven fabric compounded guide layer of the present embodiment, including the first nonwoven layer 1, the first viscose rayon layer 2, the second nonwoven Layer of cloth 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5, first nonwoven layer 1, the first viscose rayon layer 2, the second nothing Woven fabric layer 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5 are set gradually, first nonwoven layer and the second nonwoven layer Between, lead to respectively between the second viscose rayon layer and the 3rd nonwoven layer and between the first nonwoven layer and the 3rd nonwoven layer Cross that acupuncture is compound, the dry strength of the first viscose rayon layer is 37cN/dtex, and the dry state of the second viscose rayon layer is strong To spend for 44cN/dtex, the material of first nonwoven layer is at least one of polypropylene fiber and polyester fiber, described second The material of nonwoven layer is at least one of nylon fibre and acrylic fiber, and the material of the 3rd nonwoven layer is fine for polyethylene At least one of peacekeeping polyvinyl chloride fibre fiber.The thickness of the non-woven fabric compounded guide layer is 2.0-2.8mm；First non-woven fabrics The thickness ratio of layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer and the 3rd nonwoven layer is followed successively by 3: 0.5:1:0.5:3.First nonwoven layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer and the 3rd The surface density of nonwoven layer is respectively 20g/m2。
The preparation method of above-mentioned non-woven fabric compounded guide layer, comprises the following steps：
(1) at least one of polypropylene fiber and polyester fiber fiber are combed, obtains the first nonwoven layer；By brocade At least one of synthetic fibre fiber and acrylic fiber are combed, and obtain the second nonwoven layer；By in polyethylene fibre and polyvinyl chloride fibre fiber At least one combed, obtain the 3rd nonwoven layer；The viscose rayon that dry strength is 37cN/dtex is combed, Obtain the first viscose rayon layer；The viscose rayon that dry strength is 44cN/dtex is combed, obtains the second viscose rayon Layer；
(2) first nonwoven layer, the first viscose rayon layer and the second nonwoven layer are arranged in order and pass through acupuncture It is compound, obtain the first pre-composite layer；The second viscose rayon layer is arranged in order with the 3rd nonwoven layer and is answered by acupuncture Close, obtain the second pre-composite layer；Described first pre-composite layer is arranged in order and compound by acupuncture with the second pre-composite layer；
(3) by first pre-composite layer of the acupuncture after compound and second it is pre-composite be sent into penetration drying machine heat it is multiple Close and reinforce, then carry out cooling successively with rolls, obtain the non-woven fabric compounded guide layer.
The embodiment of the present invention two is：
The non-woven fabric compounded guide layer of the present embodiment, including the first nonwoven layer 1, the first viscose rayon layer 2, the second nonwoven Layer of cloth 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5, first nonwoven layer 1, the first viscose rayon layer 2, the second nothing Woven fabric layer 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5 are set gradually, first nonwoven layer and the second nonwoven layer Between, lead to respectively between the second viscose rayon layer and the 3rd nonwoven layer and between the first nonwoven layer and the 3rd nonwoven layer Cross that acupuncture is compound, the dry strength of the first viscose rayon layer is 45cN/dtex, and the dry state of the second viscose rayon layer is strong To spend for 49cN/dtex, the material of first nonwoven layer is at least one of polypropylene fiber and polyester fiber, described second The material of nonwoven layer is at least one of nylon fibre and acrylic fiber, and the material of the 3rd nonwoven layer is fine for polyethylene At least one of peacekeeping polyvinyl chloride fibre fiber.The thickness of the non-woven fabric compounded guide layer is 2.8mm；First nonwoven layer, First viscose rayon layer, the second nonwoven layer, the thickness ratio of the second viscose rayon layer and the 3rd nonwoven layer are followed successively by 3: 0.8:1:0.8:3.First nonwoven layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer and the 3rd The surface density of nonwoven layer is respectively 80g/m2。
The embodiment of the present invention three is：
The non-woven fabric compounded guide layer of the present embodiment, including the first nonwoven layer 1, the first viscose rayon layer 2, the second nonwoven Layer of cloth 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5, first nonwoven layer 1, the first viscose rayon layer 2, the second nothing Woven fabric layer 3, the second viscose rayon layer 4 and the 3rd nonwoven layer 5 are set gradually, first nonwoven layer and the second nonwoven layer Between, lead to respectively between the second viscose rayon layer and the 3rd nonwoven layer and between the first nonwoven layer and the 3rd nonwoven layer Cross that acupuncture is compound, the dry strength of the first viscose rayon layer is 44.1cN/dtex, the dry state of the second viscose rayon layer Intensity is 48.5cN/dtex, and the material of first nonwoven layer is at least one of polypropylene fiber and polyester fiber, described The material of second nonwoven layer is at least one of nylon fibre and acrylic fiber, and the material of the 3rd nonwoven layer is second At least one of synthetic fibre fiber and polyvinyl chloride fibre fiber.The thickness of the non-woven fabric compounded guide layer is 2.5mm；First non-woven fabrics The thickness ratio of layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer and the 3rd nonwoven layer is followed successively by 3: 0.6:1:0.6:3.First nonwoven layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer and the 3rd The surface density of nonwoven layer is respectively 20-80g/m2。
In conclusion non-woven fabric compounded guide layer provided by the invention has good intensity and imbibition ability.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair The equivalents that bright specification and accompanying drawing content are made, are directly or indirectly used in relevant technical field, similarly include In the scope of patent protection of the present invention.

Claims (8)

1. a kind of non-woven fabric compounded guide layer, it is characterised in that including the first nonwoven layer, the first viscose rayon layer, the second nothing Woven fabric layer, the second viscose rayon layer and the 3rd nonwoven layer, first nonwoven layer, the first viscose rayon layer, the second nonwoven Layer of cloth, the second viscose rayon layer and the 3rd nonwoven layer are set gradually, between first nonwoven layer and the second nonwoven layer, Pass through pin respectively between second viscose rayon layer and the 3rd nonwoven layer and between the first nonwoven layer and the 3rd nonwoven layer Pierce compound, the dry strength of the first viscose rayon layer is 37-45cN/dtex, and the dry state of the second viscose rayon layer is strong Spend for 44-49cN/dtex, the material of first nonwoven layer is at least one of polypropylene fiber and polyester fiber, described The material of second nonwoven layer is at least one of nylon fibre and acrylic fiber, and the material of the 3rd nonwoven layer is second At least one of synthetic fibre fiber and polyvinyl chloride fibre fiber.
2. non-woven fabric compounded guide layer according to claim 1, it is characterised in that the thickness of the non-woven fabric compounded guide layer Spend for 2.0-2.8mm；First nonwoven layer, the first viscose rayon layer, the second nonwoven layer, the second viscose rayon layer and The thickness ratio of three nonwoven layers is followed successively by 3:0.5-0.8:1:0.5-0.8:3.
3. non-woven fabric compounded guide layer according to claim 1, it is characterised in that first nonwoven layer, first are glued Glue fiber layer, the second nonwoven layer, the surface density of the second viscose rayon layer and the 3rd nonwoven layer are respectively 20-80g/m2。
4. non-woven fabric compounded guide layer according to claim 1, it is characterised in that the dry state of the first viscose rayon layer Intensity is 37.5-38.5cN/dtex or 44-44.5cN/dtex, and the dry strength of the second viscose rayon layer is 44- 44.5cN/dtex or 48-49cN/dtex.
5. non-woven fabric compounded guide layer according to claim 4, it is characterised in that the dry state of the first viscose rayon layer Intensity is 37.5-38.5cN/dtex, and the dry strength of the second viscose rayon layer is 44-44.5cN/dtex or 48- 49cN/dtex。
6. non-woven fabric compounded guide layer according to claim 4, it is characterised in that the dry state of the first viscose rayon layer Intensity is 37.5-38.5cN/dtex or 44-44.5cN/dtex, and the dry strength of the second viscose rayon layer is 48- 49cN/dtex。
7. non-woven fabric compounded guide layer according to claim 4, it is characterised in that the dry state of the first viscose rayon layer Intensity is 44-44.5cN/dtex, and the dry strength of the second viscose rayon layer is 44-44.5cN/dtex.
8. a kind of preparation method of non-woven fabric compounded guide layer, it is characterised in that comprise the following steps：
(1) at least one of polypropylene fiber and polyester fiber fiber are combed, obtains the first nonwoven layer；Polyamide fibre is fine At least one of peacekeeping acrylic fiber is combed, and obtains the second nonwoven layer；By in polyethylene fibre and polyvinyl chloride fibre fiber extremely Few one kind is combed, and obtains the 3rd nonwoven layer；The viscose rayon that dry strength is 37-45cN/dtex is combed, is obtained Obtain the first viscose rayon layer；The viscose rayon that dry strength is 44-49cN/dtex is combed, obtains the second viscose rayon Layer；
(2) first nonwoven layer, the first viscose rayon layer and the second nonwoven layer are arranged in order and compound by acupuncture, Obtain the first pre-composite layer；The second viscose rayon layer is arranged in order and compound by acupuncture with the 3rd nonwoven layer, is obtained Obtain the second pre-composite layer；Described first pre-composite layer is arranged in order and compound by acupuncture with the second pre-composite layer；
(3) by first pre-composite layer of the acupuncture after compound and second it is pre-composite be sent into penetration drying machine heat it is compound plus Gu cooling and coiled, the acquisition non-woven fabric compounded guide layer are then carried out successively.
CN201711007697.5A 2017-10-25 2017-10-25 Non-woven fabric composite flow guide layer and preparation method thereof Expired - Fee Related CN107974765B (en)

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CN104274276A (en) * 2014-10-10 2015-01-14 南通大学 Non-woven two-layer composite flow guide layer applicable to paper diapers and production method of non-woven two-layer composite flow guide layer
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* Cited by examiner, † Cited by third party
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US5296290A (en) * 1984-01-26 1994-03-22 Johnson & Johnson Absorbent laminates
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