CN106480603A - A kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan and preparation method thereof - Google Patents
A kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan and preparation method thereof Download PDFInfo
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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
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- 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
- D04H1/4266—Natural fibres not provided for in group D04H1/425
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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
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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
- D04H1/44—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
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/12—Aldehydes; Ketones
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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Abstract
The present invention provides a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan and preparation method thereof, specifically includes following steps：Using former for bamboo chopped fiber as raw material, former for bamboo chopped fiber is placed in standing in high humidity environment, takes out, form bamboo fiber layer through shredding combing；Oligochitosan solution is added glutaraldehyde, heated and stirred is reacted, to forming finishing agent, bamboo fiber layer is immersed in finishing agent, take out after complete wetting, dry, then through base extraction, washing obtains oligochitosan modification bamboo fiber layer；Using spun silk leftover bits and pieces as raw material, it is placed in neutral calcium solution and carries out swelling treatment, take out, form silk fiber layer through shredding combing；Silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carries out lapping, acupuncture and whole boiling hot process and obtain the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan.
Description
Technical field
The invention belongs to textile material technical field is and in particular to a kind of silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth and preparation method thereof.
Background technology
Bamboo fibre is a kind of fiber prepared for raw material with bamboo, and bamboo fibre is divided into bamboo pulp viscose fiber and natural bamboo fibril
Dimension.Bamboo fiber be by machinery, physical method directly from bamboo from the fiber extracting, the cross section of bamboo fiber is irregular
Kidney ellipsoid, have cavity, surface has a lot of grooves, crackle and a horizontal section, therefore bamboo fiber has good breathability, thoroughly
Moist and dyeability etc., has good application in fields such as textile garment, non-weave non-woven fabrics and composites.
A kind of new bamboo fiber spunlace non-woven fabric disclosed in Chinese patent CN 203427388U, this non-woven fabrics includes some
Layer bamboo fibre layer, the upper and lower surface of every layer of bamboo fibre layer is all uniform-distribution with projection and depression, forms the water suction of sub-elliptical
Hole, and in every layer of bamboo fibre layer, between bamboo fibre and bamboo fibre, all form cellular air-vent, the bamboo fibre therefore prepared
Non-woven fabrics have the functions such as water suction, antibacterial and environmental protection.Additionally, the feature prepared with other functions fiber by bamboo fibre is no
Spinning cloth aspect also has research.A kind of bamboo protoconch polysaccharide functional auxiliary material and its preparation side disclosed in Chinese patent CN104383590B
Method, bamboo fiber, chitin fiber and viscose rayon mixing shredding obtain feature through lapping, pre-needling, acupuncture and whole scalding
Adjuvant, this functional auxiliary material has good permeability, antibacterial, moisture absorption, and the energy suitable humidity of moisturizing, therefore can be used as medical
Product.The preparation method of bamboo fibre anti-mite non-woven fabrics disclosed in Chinese patent CN 102061568A, by bamboo fiber and polyster fibre
Mixing, as raw material, adds anti-mite master batch, through being sufficiently stirred for forming mixed material, then forms non-woven fabrics material through non-woven fabrics craft
Material.
From above-mentioned prior art, the species of the non-woven fabrics prepared using bamboo fiber as raw material at present is more, is mostly
Bamboo fiber is carried out physical mixed with other functions fiber or material, then prepares formation feature no through non-woven fabrics craft
Spin cloth, simply simple mixing between the nonwoven cloth material of the method preparation, binding strength is not tight, in use easily
Cause to separate or unstable properties heterogeneity, and the fiber of bamboo fiber itself is harder, the nothing of preparation after needling treatment
Spin its feel of cloth necessarily harder, pendency and wrinkle resistance be not also good, the strong influence utilization field of the former non-woven fabrics of bamboo.
Chemical crosslinking technology is combined by the present invention with physics needling technique, by oligochitosan and silk fiber and bamboo fiber
Prepare non-woven fabrics as raw material, prepare a kind of taking, usability and all good nonwoven cloth material of feature.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan and its system
Preparation Method, is arranged to bamboo fiber layer as finishing agent using oligochitosan and glutaraldehyde, then is combined warp with silk fiber layer
Acupuncture forms non-woven fabrics.Preparation method of the present invention is simple, and the non-woven fabrics moisture absorption of preparation is breathed freely, and soft pro-skin, dimensionally stable, also have thoroughly
There are the multiple efficacies such as antibacterial bacteriostatic.
For solving above-mentioned technical problem, the technical scheme is that：
A kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan, the described silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth includes silk fiber layer and bamboo fiber layer, and described silk fiber layer is coated on the surrounding of bamboo fiber layer, described bamboo fibril
Dimension layer arranges through oligochitosan and glutaraldehyde, and the raw material of described bamboo fiber layer is the former chopped fiber of bamboo, described silk fiber layer former
Expect for spun silk leftover bits and pieces.
Preferred as technique scheme, the former chopped fiber of described bamboo is through high humidity pretreatment.
The present invention also provides a kind of preparation method of the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan, walks including following
Suddenly：
(1) using former for bamboo chopped fiber as raw material, former for bamboo chopped fiber is placed in standing in high humidity environment, takes out, through shredding comb
Reason forms bamboo fiber layer；
(2) oligochitosan solution is added glutaraldehyde, heated and stirred is reacted, to formation finishing agent, bamboo prepared by step (1)
Fibril layer is immersed in finishing agent, takes out after complete wetting, dries, then through base extraction, it is modified that washing obtains oligochitosan
Bamboo fiber layer；
(3) using spun silk leftover bits and pieces as raw material, it is placed in neutral calcium solution and carries out swelling treatment, take out, through shredding combing
Form silk fiber layer；
(4) the silk fiber layer preparing step (3) wraps oligochitosan modification bamboo fiber layer prepared by step (2),
Carry out lapping, acupuncture and whole boiling hot process and obtain the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan.
Preferred as technique scheme, in described step (1), the length of the former chopped fiber of bamboo is 1-5cm.
Preferred as technique scheme, in described step (1), the humidity of high humidity environment is 65-80%, standing when
Between be 5-10h.
Preferred as technique scheme, in described step (1), the technique of shredding combing is：The rate of feeding of shredding
For 600-900rpm, the speed of licker-in is 1000-1500rpm.
Preferred as technique scheme, in described step (2), in finishing agent, the mass fraction of oligochitosan is 8-
12%, the mass fraction of glutaraldehyde is 5-8%.
Preferred as technique scheme, in described step (2), the temperature of drying is 60-65 DEG C, and the time is 1-2h.
Preferred as technique scheme, in described step (3), the bath raio of swelling treatment is 1:30, temperature is 50-55
DEG C, the time is 30-60min.
Preferred as technique scheme, in described step (4), the density of acupuncture is 200-250 thorn/cm2, acupuncture is deeply
Spend for 3-5cm, whole boiling hot temperature is 80-100 DEG C, the whole boiling hot time is 1-2min.
Compared with prior art, the invention has the advantages that：
(1) silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan of present invention preparation include silk fiber, bamboo fiber and
Oligochitosan, silk fiber softness pro-skin, air-moisture-permeable, bamboo fiber moisture absorption moisture-inhibiting, tough antibacterial, oligochitosan antibacterial and film property
Good, the non-woven fabrics therefore prepared by these three raw materials its soft, ventilative moisture absorption, pro-skin antibacterial, tough environmental protection, taking and
Feature is all good.
(2) in the former non-woven fabrics of silkworm silk/bamboo crosslinked based on oligochitosan of the present invention preparation bamboo fiber first through high humidity at
Reason, improves the toughness of bamboo fiber, prevents fracture during shredding, and can carry out moistening to bamboo fiber, has
Beneficial to arrangement afterwards.Bamboo fiber layer arranges through oligochitosan and glutaraldehyde finishing agent, and oligochitosan can be in the work of glutaraldehyde first
Itself crosslinked with lower, additionally, in the presence of glutaraldehyde cross-linking agent and high temperature, oligochitosan also can be sent out and bamboo fiber between
Raw crosslinked, also can crosslink between bamboo fiber and bamboo fiber, then so that bamboo fiber is more activated by base extraction,
And stop cross-linking reaction, make oligochitosan firmly be adsorbed in surface and the inside of bamboo fiber layer, give bamboo fiber layer excellent
Hygroscopicity, antibiotic property, skin-friendly and mechanical performance.
(3) in the former non-woven fabrics of silkworm silk/bamboo crosslinked based on oligochitosan of present invention preparation, silk fiber layer wraps after swelling
Cover the surface with bamboo fiber layer, the excessive glutaraldehyde containing in bamboo fiber layer, silk fiber layer and bamboo fiber can be promoted
Crosslinked between layer, relend and help needling technique, so that bamboo fiber layer is mixed with silk fiber layer even closer, prepare performance steady
Fixed homogeneous non-woven fabrics.And the surrounding of bamboo fiber layer is coated by silk fiber layer, makes pro-skin and the moisture pick-up propertiess of non-woven fabrics
More excellent, soft cunning is glutinous, is conducive to expanding the use field of non-woven fabrics.
(4) tie between fibrous layer and finishing agent in the former non-woven fabrics of silkworm silk/bamboo crosslinked based on oligochitosan of present invention preparation
Close closely, it is to avoid fiber occurs separating the phenomenon such as come off between layers in use, and silk fiber and bamboo fibril
Dimension is crosslinked arrange after, the wrinkle resistance of its non-woven fabrics and flatness improve, and are conducive to improving the practicality of non-woven fabrics, therefore this
The taking of the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan of bright preparation, practicality and feature are all good.
Specific embodiment
To describe the present invention, the illustrative examples of the here present invention and explanation below in conjunction with specific embodiment in detail
It is used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1：
(1) using length, the former chopped fiber of the bamboo for 1-5cm, as raw material, former for bamboo chopped fiber is placed in the high humidity that humidity is 65%
Stand 5h in environment, take out, with rate of feeding for 600rpm shredding, the speed of licker-in forms bamboo fiber for 1000rpm combing
Layer.
(2) oligochitosan solution is added glutaraldehyde, heated and stirred reaction 30min, forms finishing agent at 45 DEG C, wherein,
In finishing agent, the mass fraction of oligochitosan is 8%, and the mass fraction of glutaraldehyde is 5%, is then immersed in bamboo fiber layer whole
In reason agent, take out after complete wetting, dry 1h at 60 DEG C, then the sodium hydroxide lye being 2% through mass fraction is processed
10min, washing obtains oligochitosan modification bamboo fiber layer.
(3) using spun silk leftover bits and pieces as raw material, with bath raio for 1:30, it is placed in the calcium chloride solution that mass fraction is 5%,
Carry out swelling treatment 30min at 50 DEG C, take out, with rate of feeding for 500rpm shredding, the speed of licker-in is 900rpm combing
Form silk fiber layer.
(4) silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carry out lapping, with 200 thorns/cm2Density
With acupuncture under the depth of 3cm, then whole boiling hot process 1min at 80 DEG C, obtain the silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth.
Embodiment 2：
(1) using length, the former chopped fiber of the bamboo for 1-5cm, as raw material, former for bamboo chopped fiber is placed in the high humidity that humidity is 80%
Stand 10h in environment, take out, with rate of feeding for 900rpm shredding, the speed of licker-in forms bamboo fiber for 1500rpm combing
Layer.
(2) oligochitosan solution is added glutaraldehyde, heated and stirred reaction 90min, forms finishing agent at 50 DEG C, wherein,
In finishing agent, the mass fraction of oligochitosan is 12%, and the mass fraction of glutaraldehyde is 8%, is then immersed in bamboo fiber layer whole
In reason agent, take out after complete wetting, dry 2h at 65 DEG C, then the sodium hydroxide lye being 2% through mass fraction is processed
20min, washing obtains oligochitosan modification bamboo fiber layer.
(3) using spun silk leftover bits and pieces as raw material, with bath raio for 1:30, it is placed in the calcium chloride solution that mass fraction is 8%,
Carry out swelling treatment 60min at 55 DEG C, take out, with rate of feeding for 800rpm shredding, the speed of licker-in is 1200rpm combing
Form silk fiber layer.
(4) silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carry out lapping, with 250 thorns/cm2Density
With acupuncture under the depth of 5cm, then whole boiling hot process 2min at 100 DEG C, obtain the silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth.
Embodiment 3：
(1) using length, the former chopped fiber of the bamboo for 1-5cm, as raw material, former for bamboo chopped fiber is placed in the high humidity that humidity is 70%
Stand 8h in environment, take out, with rate of feeding for 700rpm shredding, the speed of licker-in forms bamboo fiber for 1200rpm combing
Layer.
(2) oligochitosan solution is added glutaraldehyde, heated and stirred reaction 60min, forms finishing agent at 48 DEG C, wherein,
In finishing agent, the mass fraction of oligochitosan is 10%, and the mass fraction of glutaraldehyde is 7%, is then immersed in bamboo fiber layer whole
In reason agent, take out after complete wetting, dry 1.4h at 62 DEG C, then the sodium hydroxide lye being 2% through mass fraction is processed
15min, washing obtains oligochitosan modification bamboo fiber layer.
(3) using spun silk leftover bits and pieces as raw material, with bath raio for 1:30, it is placed in the calcium chloride solution that mass fraction is 6%,
Carry out swelling treatment 40min at 52 DEG C, take out, with rate of feeding for 600rpm shredding, the speed of licker-in is 1000rpm combing
Form silk fiber layer.
(4) silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carry out lapping, with 220 thorns/cm2Density
With acupuncture under the depth of 4cm, then whole boiling hot process 1.5min at 90 DEG C, obtain the silkworm silk/bamboo former nothing crosslinked based on oligochitosan
Spin cloth.
Embodiment 4：
(1) using length, the former chopped fiber of the bamboo for 1-5cm, as raw material, former for bamboo chopped fiber is placed in the high humidity that humidity is 75%
Stand 6h in environment, take out, with rate of feeding for 750rpm shredding, the speed of licker-in forms bamboo fiber for 1300rpm combing
Layer.
(2) oligochitosan solution is added glutaraldehyde, heated and stirred reaction 45min, forms finishing agent at 48 DEG C, wherein,
In finishing agent, the mass fraction of oligochitosan is 10%, and the mass fraction of glutaraldehyde is 6%, is then immersed in bamboo fiber layer whole
In reason agent, take out after complete wetting, dry 1h at 62 DEG C, then the sodium hydroxide lye being 2% through mass fraction is processed
13min, washing obtains oligochitosan modification bamboo fiber layer.
(3) using spun silk leftover bits and pieces as raw material, with bath raio for 1:30, it is placed in the calcium chloride solution that mass fraction is 7%,
Carry out swelling treatment 40min at 55 DEG C, take out, with rate of feeding for 600rpm shredding, the speed of licker-in is 1100rpm combing
Form silk fiber layer.
(4) silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carry out lapping, with 250 thorns/cm2Density
With acupuncture under the depth of 3cm, then whole boiling hot process 2min at 95 DEG C, obtain the silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth.
Embodiment 5：
(1) using length, the former chopped fiber of the bamboo for 1-5cm, as raw material, former for bamboo chopped fiber is placed in the high humidity that humidity is 75%
Stand 8h in environment, take out, with rate of feeding for 750rpm shredding, the speed of licker-in forms bamboo fiber for 1350rpm combing
Layer.
(2) oligochitosan solution is added glutaraldehyde, heated and stirred reaction 55min, forms finishing agent at 45 DEG C, wherein,
In finishing agent, the mass fraction of oligochitosan is 11%, and the mass fraction of glutaraldehyde is 7%, is then immersed in bamboo fiber layer whole
In reason agent, take out after complete wetting, dry 1h at 65 DEG C, then the sodium hydroxide lye being 2% through mass fraction is processed
20min, washing obtains oligochitosan modification bamboo fiber layer.
(3) using spun silk leftover bits and pieces as raw material, with bath raio for 1:30, it is placed in the calcium chloride solution that mass fraction is 8%,
Carry out swelling treatment 60min at 50 DEG C, take out, with rate of feeding for 500rpm shredding, the speed of licker-in is 1200rpm combing
Form silk fiber layer.
(4) silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carry out lapping, with 200 thorns/cm2Density
With acupuncture under the depth of 5cm, then whole boiling hot process 2min at 80 DEG C, obtain the silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth.
Embodiment 6：
(1) using length, the former chopped fiber of the bamboo for 1-5cm, as raw material, former for bamboo chopped fiber is placed in the high humidity that humidity is 70%
Stand 7h in environment, take out, with rate of feeding for 800rpm shredding, the speed of licker-in forms bamboo fiber for 1400rpm combing
Layer.
(2) oligochitosan solution is added glutaraldehyde, heated and stirred reaction 55min, forms finishing agent at 50 DEG C, wherein,
In finishing agent, the mass fraction of oligochitosan is 11%, and the mass fraction of glutaraldehyde is 6%, is then immersed in bamboo fiber layer whole
In reason agent, take out after complete wetting, dry 2h at 62 DEG C, then the sodium hydroxide lye being 2% through mass fraction is processed
20min, washing obtains oligochitosan modification bamboo fiber layer.
(3) using spun silk leftover bits and pieces as raw material, with bath raio for 1:30, it is placed in the calcium chloride solution that mass fraction is 7%,
Carry out swelling treatment 30min at 55 DEG C, take out, with rate of feeding for 600rpm shredding, the speed of licker-in is 1000rpm combing
Form silk fiber layer.
(4) silk fiber layer is wrapped oligochitosan modification bamboo fiber layer, carry out lapping, with 250 thorns/cm2Density
With acupuncture under the depth of 5cm, then whole boiling hot process 2min at 90 DEG C, obtain the silkworm silk/bamboo former nonwoven crosslinked based on oligochitosan
Cloth.
After testing, the grammes per square metre of the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan of embodiment 1-6 preparation, thickness, moisture absorption
The result of property, breathability, antibiotic property and anti-protein-contamination is as follows：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | |
| Grammes per square metre (g/m2) | 187 | 206 | 195 | 190 | 187 | 192 |
| Thickness (mm) | 3.5 | 4.2 | 4.0 | 3.8 | 3.9 | 4.1 |
| Water suction rate of body weight gain (%) | 46 | 52 | 49 | 50 | 51 | 48 |
| Air permenbility (L/m2·s) | 1126 | 1034 | 1068 | 1079 | 1058 | 1101 |
| Antibiotic rate (%) | 72 | 80 | 81 | 80 | 79 | 76 |
| Adsorbance (the mg/m of protein2) | 35 | 26 | 34 | 30 | 31 | 28 |
As seen from the above table, the former non-woven fabrics of silkworm silk/bamboo based on oligochitosan crosslinking that prepared by the present invention are frivolous, ventilative and hygroscopicity
Good moreover it is possible to antibacterial anti-protein-contamination.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any ripe
The personage knowing this technology all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
All equivalent modifications becoming or change, must be covered by the claim of the present invention.
Claims (10)
1. a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan it is characterised in that：The described silkworm crosslinked based on oligochitosan
The former non-woven fabrics of silk/bamboo include silk fiber layer and bamboo fiber layer, and described silk fiber layer is coated on the surrounding of bamboo fiber layer,
Described bamboo fiber layer arranges through oligochitosan and glutaraldehyde, and the raw material of described bamboo fiber layer is the former chopped fiber of bamboo, described silkworm silk
Fibrolaminar raw material is spun silk leftover bits and pieces.
2. a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 1 it is characterised in that：Described
The former chopped fiber of bamboo is through high humidity pretreatment.
3. a kind of preparation method of the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan is it is characterised in that comprise the following steps：
(1) using former for bamboo chopped fiber as raw material, former for bamboo chopped fiber is placed in standing in high humidity environment, takes out, through shredding combing shape
Become bamboo fiber layer；
(2) oligochitosan solution is added glutaraldehyde, heated and stirred is reacted, to formation finishing agent, bamboo fibril prepared by step (1)
Dimension layer is immersed in finishing agent, takes out after complete wetting, dries, then through base extraction, it is former that washing obtains oligochitosan modified bamboo
Fibrous layer；
(3) using spun silk leftover bits and pieces as raw material, it is placed in neutral calcium solution and carries out swelling treatment, take out, formed through shredding combing
Silk fiber layer；
(4) the silk fiber layer preparing step (3) wraps oligochitosan modification bamboo fiber layer prepared by step (2), carries out
Lapping, acupuncture and whole boiling hot process obtain the silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan.
4. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, its feature
It is：In described step (1), the length of the former chopped fiber of bamboo is 1-5cm.
5. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, its feature
It is：In described step (1), the humidity of high humidity environment is 65-80%, and the time of standing is 5-10h.
6. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, its feature
It is：In described step (1), the technique of shredding combing is：The rate of feeding of shredding is 600-900rpm, and the speed of licker-in is
1000-1500rpm.
7. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, its feature
It is：In described step (2), in finishing agent, the mass fraction of oligochitosan is 8-12%, and the mass fraction of glutaraldehyde is 5-8%.
8. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, its feature
It is：In described step (2), the temperature of drying is 60-65 DEG C, and the time is 1-2h.
9. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, its feature
It is：In described step (3), the bath raio of swelling treatment is 1:30, temperature is 50-55 DEG C, and the time is 30-60min.
10. the preparation method of a kind of silkworm silk/bamboo former non-woven fabrics crosslinked based on oligochitosan according to claim 3, it is special
Levy and be：In described step (4), the density of acupuncture is 200-250 thorn/cm2, depth of needling is 3-5cm, and whole boiling hot temperature is
80-100 DEG C, the whole boiling hot time is 1-2min.
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| CN201910257042.6A CN109972288B (en) | 2016-09-21 | 2016-09-21 | Preparation method of silk/bamboo raw non-woven fabric based on chemical crosslinking and physical needling technology |
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| CN109972288B (en) | 2021-02-12 |
| CN109972288A (en) | 2019-07-05 |
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