CN106480603B - A kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking - Google Patents
A kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking Download PDFInfo
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- CN106480603B CN106480603B CN201610839018.XA CN201610839018A CN106480603B CN 106480603 B CN106480603 B CN 106480603B CN 201610839018 A CN201610839018 A CN 201610839018A CN 106480603 B CN106480603 B CN 106480603B
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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
- D04H1/425—Cellulose series
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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
- D04H1/4266—Natural fibres not provided for in group D04H1/425
-
- 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
- D04H1/44—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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- D—TEXTILES; PAPER
- 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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
- D06M13/123—Polyaldehydes; Polyketones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention provides a kind of silk/bamboo original non-woven fabrics and preparation method thereof based on chitosan oligosaccharide crosslinking, specifically includes the following steps: bamboo original staple fiber is placed in high humidity environment and is stood using bamboo original staple fiber as raw material, taking-up combs to form bamboo fiber layer through shredding；Glutaraldehyde is added in chitosan oligosaccharide solution, bamboo fiber layer is immersed in finishing agent, takes out after complete wetting until forming finishing agent, dries by heating stirring reaction, then through base extraction, and washing obtains the modified bamboo fiber layer of chitosan oligosaccharide；It using spun silk leftover bits and pieces as raw material, is placed in neutral calcium solution and carries out swelling treatment, take out, comb to form silk fiber layer through shredding；Silk fiber layer is wrapped into the modified bamboo fiber layer of chitosan oligosaccharide, lapping, needle thorn and whole boiling hot processing is carried out and obtains the silk/bamboo original non-woven fabrics being crosslinked based on chitosan oligosaccharide.
Description
Technical field
The invention belongs to textile material technical fields, and in particular to a kind of silk/bamboo original nonwoven based on chitosan oligosaccharide crosslinking
The preparation method of cloth.
Background technique
Bamboo fibre is a kind of fiber prepared using bamboo as raw material, and bamboo fibre is divided into bamboo pulp viscose fiber and natural bamboo fibril
Dimension.Bamboo fiber is by mechanical, physical method directly from bamboo from the fiber extracted, and the cross section of bamboo fiber is irregular
Kidney ellipsoid, have a cavity, surface has many grooves, crackle and a horizontal section, therefore bamboo fiber has good gas permeability, thoroughly
Moist and dyeability etc., has good application in fields such as textile garment, non-weave non-woven fabrics and composite materials.
A kind of novel bamboo fiber spunlace non-woven fabric, the non-woven fabrics include several disclosed in Chinese patent CN 203427388U
Layer bamboo fibre layer, the upper and lower surface of every layer of bamboo fibre layer are all uniform-distribution with protrusion and recess, form the water suction of approximate ellipse
Hole, and the bamboo fibre for all forming honeycomb air hole in every layer of bamboo fibre layer between bamboo fibre and bamboo fibre, therefore preparing
Non-woven fabrics has the function of water suction, antibacterial and environmentally protective etc..In addition, by the functional nothing of bamboo fibre and the preparation of other function fiber
Also there is research in terms of woven fabric.A kind of bamboo protoconch glycan functional auxiliary material and its preparation side disclosed in Chinese patent CN104383590B
Bamboo fiber, chitin fiber and viscose rayon mixing shredding are obtained functionality through lapping, pre-needling, needle thorn and whole scald by method
Auxiliary material, which 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 polyester fiber
Mixing is used as raw material, adds anti-mite master batch, is sufficiently stirred to form mixed raw material, then forms non-woven fabrics material through non-woven fabrics craft
Material.
By the above-mentioned prior art it is found that the type of the non-woven fabrics prepared at present using bamboo fiber as raw material is more, mostly it is
Bamboo fiber and other function fiber or material are subjected to physical mixed, then prepare to form functional nothing through non-woven fabrics craft
Woven fabric, only simple mixing between the nonwoven cloth material of this method preparation, binding strength is not close, is easy in use
Cause separation or performance unstable inhomogenous, and the fiber of bamboo fiber itself is harder, the nothing prepared after needling treatment
Its feel of woven fabric is necessarily harder, and pendency and wrinkle resistance are also bad, and strong influence bamboo original non-woven fabrics uses field.
The present invention combines chemical crosslinking technology with physics needling technique, by chitosan oligosaccharide and silk fiber and bamboo fiber
Non-woven fabrics is prepared as raw material, prepares a kind of taking, usability and functional all good nonwoven cloth material.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of silk/bamboo original non-woven fabrics preparations based on chitosan oligosaccharide crosslinking
Method arranges bamboo fiber layer as finishing agent using chitosan oligosaccharide and glutaraldehyde, then compound through needle with silk fiber layer
Thorn forms non-woven fabrics.Preparation method of the present invention is simple, and the non-woven fabrics moisture absorption of preparation is ventilative, and saturating soft pro-skin, dimensionally stable also has
The multiple efficacies such as antibacterial bacteriostatic.
In order to solve the above technical problems, the technical scheme is that
The present invention also provides a kind of silk/bamboo original non-woven fabrics preparation methods based on chitosan oligosaccharide crosslinking, including following step
It is rapid:
(1) using bamboo original staple fiber as raw material, bamboo original staple fiber is placed in high humidity environment and is stood, taken out, combed through shredding
Reason forms bamboo fiber layer；
(2) glutaraldehyde, heating stirring reaction is added in chitosan oligosaccharide solution, until finishing agent is formed, bamboo prepared by step (1)
Fibrinogen layer is immersed in finishing agent, is taken out after complete wetting, drying, then through base extraction, it is modified that washing obtains chitosan oligosaccharide
Bamboo fiber layer；
(3) it using spun silk leftover bits and pieces as raw material, is placed in neutral calcium solution and carries out swelling treatment, take out, combed through shredding
Form silk fiber layer；
(4) the modified bamboo fiber layer of the chitosan oligosaccharide for silk fiber layer prepared by step (3) being wrapped into step (2) preparation,
It carries out lapping, needle thorn and whole boiling hot processing and obtains the silk/bamboo original non-woven fabrics being crosslinked based on chitosan oligosaccharide.
As a preferred embodiment of the above technical solution, in the step (1), the length of bamboo original staple fiber is 1-5cm.
As a preferred embodiment of the above technical solution, in the step (1), the humidity of high humidity environment is 65-80%, standing when
Between be 5-10h.
As a preferred embodiment of the above technical solution, in the step (1), the technique of shredding combing are as follows: the rate of feeding of shredding
For 600-900rpm, the speed of licker-in is 1000-1500rpm.
As a preferred embodiment of the above technical solution, in the step (2), the mass fraction of chitosan oligosaccharide is 8- in finishing agent
12%, the mass fraction of glutaraldehyde is 5-8%.
As a preferred embodiment of the above technical solution, in the step (2), the temperature of drying is 60-65 DEG C, time 1-2h.
As a preferred embodiment of the above technical solution, in the step (3), the bath raio of swelling treatment is 1:30, temperature 50-55
DEG C, time 30-60min.
As a preferred embodiment of the above technical solution, in the step (4), the density of needle thorn is 200-250 thorn/cm2, needle thorn is deeply
Degree is 3-5cm, and whole boiling hot temperature is 80-100 DEG C, and the whole boiling hot time is 1-2min.
Compared with prior art, the invention has the following advantages:
(1) it is prepared by the present invention based on chitosan oligosaccharide crosslinking silk/bamboo original non-woven fabrics include silk fiber, bamboo fiber and
Chitosan oligosaccharide, silk fiber softness pro-skin, air-moisture-permeable, bamboo fiber moisture absorption moisture-inhibiting, tough antibacterial, chitosan oligosaccharide antibacterial and film forming
Non-woven fabrics its soft, ventilative moisture absorption, pro-skin antibacterial, tough environmental protection that be good, therefore being prepared by these three raw materials, taking and
It is functional all good.
(2) it is prepared by the present invention based on chitosan oligosaccharide crosslinking silk/bamboo original non-woven fabrics in bamboo fiber first through high humidity at
Reason, improves the toughness of bamboo fiber, prevents from being broken during shredding, and can soak bamboo fiber, have
Conducive to arrangement later.Bamboo fiber layer is arranged through chitosan oligosaccharide and glutaraldehyde finishing agent, and chitosan oligosaccharide can be in the work of glutaraldehyde first
It itself is crosslinked with lower, in addition, chitosan oligosaccharide can also be sent out between bamboo fiber under the action of glutaraldehyde cross-linking agent and high temperature
Raw crosslinking, can also crosslink between bamboo fiber and bamboo fiber, then activate bamboo fiber more by base extraction,
And stop cross-linking reaction, so that chitosan oligosaccharide is firmly adsorbed in the surface and inside of bamboo fiber layer, it is excellent to assign bamboo fiber layer
Hygroscopicity, antibiotic property, skin-friendly and mechanical performance.
(3) silk fiber layer wraps after being swollen in silk/bamboo original non-woven fabrics prepared by the present invention based on chitosan oligosaccharide crosslinking
The surface with bamboo fiber layer is covered, the excessive glutaraldehyde contained in bamboo fiber layer can promote silk fiber layer and bamboo fiber
It is crosslinked between layer, then by needling technique, mixes bamboo fiber layer with silk fiber layer even closer, it is steady that performance is prepared
Fixed uniform non-woven fabrics.And silk fiber layer coats the surrounding of bamboo fiber layer, makes the pro-skin and moisture pick-up properties of non-woven fabrics
More excellent, soft cunning is glutinous, and be conducive to expansion non-woven fabrics uses field.
(4) it is tied between fibrous layer and finishing agent in silk/bamboo original non-woven fabrics prepared by the present invention based on chitosan oligosaccharide crosslinking
It closes closely, avoids phenomena such as fiber isolates and falls off between layers in use, and silk fiber and bamboo fibril
After tieing up crosslinked arrangement, the wrinkle resistance and flatness of non-woven fabrics are improved, and are conducive to the practicability for improving non-woven fabrics, therefore this hair
Bright preparation based on chitosan oligosaccharide crosslinking silk/bamboo original non-woven fabrics taking, practicability and functionality it is all good.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1:
(1) using the bamboo original staple fiber that length is 1-5cm as raw material, bamboo original staple fiber is placed in the high humidity that humidity is 65%
5h is stood in environment, is taken out, and with rate of feeding for 600rpm shredding, the speed of licker-in is that 1000rpm combs to form bamboo fiber
Layer.
(2) glutaraldehyde is added in chitosan oligosaccharide solution, heating stirring reacts 30min at 45 DEG C, forms finishing agent, wherein
The mass fraction of chitosan oligosaccharide is 8% in finishing agent, and the mass fraction of glutaraldehyde is 5%, is then immersed in bamboo fiber layer whole
It manages in agent, is taken out after complete wetting, in 60 DEG C of drying 1h, then the sodium hydroxide lye for being 2% through mass fraction is handled
10min, washing obtain the modified bamboo fiber layer of chitosan oligosaccharide.
(3) it is 1:30 with bath raio using spun silk leftover bits and pieces as raw material, is placed in the calcium chloride solution that mass fraction is 5%,
Swelling treatment 30min is carried out at 50 DEG C, is taken out, and 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 into the modified bamboo fiber layer of chitosan oligosaccharide, lapping is carried out, with 200 thorns/cm2Density
Depth knit stitch with 3cm is pierced, then the whole boiling hot processing 1min at 80 DEG C, obtains the silk/bamboo original nonwoven being crosslinked based on chitosan oligosaccharide
Cloth.
Embodiment 2:
(1) using the bamboo original staple fiber that length is 1-5cm as raw material, bamboo original staple fiber is placed in the high humidity that humidity is 80%
10h is stood in environment, is taken out, and with rate of feeding for 900rpm shredding, the speed of licker-in is that 1500rpm combs to form bamboo fiber
Layer.
(2) glutaraldehyde is added in chitosan oligosaccharide solution, heating stirring reacts 90min at 50 DEG C, forms finishing agent, wherein
The mass fraction of chitosan oligosaccharide is 12% in finishing agent, and the mass fraction of glutaraldehyde is 8%, is then immersed in bamboo fiber layer whole
It manages in agent, is taken out after complete wetting, in 65 DEG C of drying 2h, then the sodium hydroxide lye for being 2% through mass fraction is handled
20min, washing obtain the modified bamboo fiber layer of chitosan oligosaccharide.
(3) it is 1:30 with bath raio using spun silk leftover bits and pieces as raw material, is placed in the calcium chloride solution that mass fraction is 8%,
Swelling treatment 60min is carried out at 55 DEG C, is taken out, and 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 into the modified bamboo fiber layer of chitosan oligosaccharide, lapping is carried out, with 250 thorns/cm2Density
Depth knit stitch with 5cm is pierced, then the whole boiling hot processing 2min at 100 DEG C, obtains the silk/bamboo original nonwoven being crosslinked based on chitosan oligosaccharide
Cloth.
Embodiment 3:
(1) using the bamboo original staple fiber that length is 1-5cm as raw material, bamboo original staple fiber is placed in the high humidity that humidity is 70%
8h is stood in environment, is taken out, and with rate of feeding for 700rpm shredding, the speed of licker-in is that 1200rpm combs to form bamboo fiber
Layer.
(2) glutaraldehyde is added in chitosan oligosaccharide solution, heating stirring reacts 60min at 48 DEG C, forms finishing agent, wherein
The mass fraction of chitosan oligosaccharide is 10% in finishing agent, and the mass fraction of glutaraldehyde is 7%, is then immersed in bamboo fiber layer whole
It manages in agent, is taken out after complete wetting, in 62 DEG C of drying 1.4h, then the sodium hydroxide lye for being 2% through mass fraction is handled
15min, washing obtain the modified bamboo fiber layer of chitosan oligosaccharide.
(3) it is 1:30 with bath raio using spun silk leftover bits and pieces as raw material, is placed in the calcium chloride solution that mass fraction is 6%,
Swelling treatment 40min is carried out at 52 DEG C, is taken out, and 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 into the modified bamboo fiber layer of chitosan oligosaccharide, lapping is carried out, with 220 thorns/cm2Density
Depth knit stitch with 4cm is pierced, then the whole boiling hot processing 1.5min at 90 DEG C, obtains the silk/bamboo original nothing being crosslinked based on chitosan oligosaccharide
Woven fabric.
Embodiment 4:
(1) using the bamboo original staple fiber that length is 1-5cm as raw material, bamboo original staple fiber is placed in the high humidity that humidity is 75%
6h is stood in environment, is taken out, and with rate of feeding for 750rpm shredding, the speed of licker-in is that 1300rpm combs to form bamboo fiber
Layer.
(2) glutaraldehyde is added in chitosan oligosaccharide solution, heating stirring reacts 45min at 48 DEG C, forms finishing agent, wherein
The mass fraction of chitosan oligosaccharide is 10% in finishing agent, and the mass fraction of glutaraldehyde is 6%, is then immersed in bamboo fiber layer whole
It manages in agent, is taken out after complete wetting, in 62 DEG C of drying 1h, then the sodium hydroxide lye for being 2% through mass fraction is handled
13min, washing obtain the modified bamboo fiber layer of chitosan oligosaccharide.
(3) it is 1:30 with bath raio using spun silk leftover bits and pieces as raw material, is placed in the calcium chloride solution that mass fraction is 7%,
Swelling treatment 40min is carried out at 55 DEG C, is taken out, and 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 into the modified bamboo fiber layer of chitosan oligosaccharide, lapping is carried out, with 250 thorns/cm2Density
Depth knit stitch with 3cm is pierced, then the whole boiling hot processing 2min at 95 DEG C, obtains the silk/bamboo original nonwoven being crosslinked based on chitosan oligosaccharide
Cloth.
Embodiment 5:
(1) using the bamboo original staple fiber that length is 1-5cm as raw material, bamboo original staple fiber is placed in the high humidity that humidity is 75%
8h is stood in environment, is taken out, and with rate of feeding for 750rpm shredding, the speed of licker-in is that 1350rpm combs to form bamboo fiber
Layer.
(2) glutaraldehyde is added in chitosan oligosaccharide solution, heating stirring reacts 55min at 45 DEG C, forms finishing agent, wherein
The mass fraction of chitosan oligosaccharide is 11% in finishing agent, and the mass fraction of glutaraldehyde is 7%, is then immersed in bamboo fiber layer whole
It manages in agent, is taken out after complete wetting, in 65 DEG C of drying 1h, then the sodium hydroxide lye for being 2% through mass fraction is handled
20min, washing obtain the modified bamboo fiber layer of chitosan oligosaccharide.
(3) it is 1:30 with bath raio using spun silk leftover bits and pieces as raw material, is placed in the calcium chloride solution that mass fraction is 8%,
Swelling treatment 60min is carried out at 50 DEG C, is taken out, and 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 into the modified bamboo fiber layer of chitosan oligosaccharide, lapping is carried out, with 200 thorns/cm2Density
Depth knit stitch with 5cm is pierced, then the whole boiling hot processing 2min at 80 DEG C, obtains the silk/bamboo original nonwoven being crosslinked based on chitosan oligosaccharide
Cloth.
Embodiment 6:
(1) using the bamboo original staple fiber that length is 1-5cm as raw material, bamboo original staple fiber is placed in the high humidity that humidity is 70%
7h is stood in environment, is taken out, and with rate of feeding for 800rpm shredding, the speed of licker-in is that 1400rpm combs to form bamboo fiber
Layer.
(2) glutaraldehyde is added in chitosan oligosaccharide solution, heating stirring reacts 55min at 50 DEG C, forms finishing agent, wherein
The mass fraction of chitosan oligosaccharide is 11% in finishing agent, and the mass fraction of glutaraldehyde is 6%, is then immersed in bamboo fiber layer whole
It manages in agent, is taken out after complete wetting, in 62 DEG C of drying 2h, then the sodium hydroxide lye for being 2% through mass fraction is handled
20min, washing obtain the modified bamboo fiber layer of chitosan oligosaccharide.
(3) it is 1:30 with bath raio using spun silk leftover bits and pieces as raw material, is placed in the calcium chloride solution that mass fraction is 7%,
Swelling treatment 30min is carried out at 55 DEG C, is taken out, and 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 into the modified bamboo fiber layer of chitosan oligosaccharide, lapping is carried out, with 250 thorns/cm2Density
Depth knit stitch with 5cm is pierced, then the whole boiling hot processing 2min at 90 DEG C, obtains the silk/bamboo original nonwoven being crosslinked based on chitosan oligosaccharide
Cloth.
Through detecting, silk/grammes per square metre of bamboo original non-woven fabrics, thickness, moisture absorption based on chitosan oligosaccharide crosslinking of embodiment 1-6 preparation
The result of property, gas permeability, antibiotic property and anti-protein-contamination is as follows:
As seen from the above table, it is prepared by the present invention based on chitosan oligosaccharide crosslinking silk/bamboo original non-woven fabrics is frivolous, ventilative and hygroscopicity
It is good, moreover it is possible to antibacterial anti-protein-contamination.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking, it is characterised in that: described to be based on chitosan oligosaccharide
The silk of crosslinking/bamboo original non-woven fabrics includes silk fiber layer and bamboo fiber layer, and the silk fiber layer is coated on bamboo fiber
The surrounding of layer, the bamboo fiber layer are arranged through chitosan oligosaccharide and glutaraldehyde, and the raw material of the bamboo fiber layer is bamboo original staple fiber,
The raw material of the silk fiber layer is spun silk leftover bits and pieces；
Silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking, comprising the following steps:
(1) using bamboo original staple fiber as raw material, bamboo original staple fiber is placed in high humidity environment and is stood, taken out, comb shape through shredding
At bamboo fiber layer；
(2) glutaraldehyde, heating stirring reaction is added in chitosan oligosaccharide solution, until finishing agent is formed, bamboo fibril prepared by step (1)
Dimension layer is immersed in finishing agent, is taken out after complete wetting, is dried, then through base extraction, it is former that washing obtains chitosan oligosaccharide modified bamboo
Fibrous layer；
(3) it using spun silk leftover bits and pieces as raw material, is placed in neutral calcium solution and carries out swelling treatment, take out, comb to be formed through shredding
Silk fiber layer；
(4) the modified bamboo fiber layer of the chitosan oligosaccharide for silk fiber layer prepared by step (3) being wrapped step (2) preparation, carries out
Lapping, needle thorn and whole boiling hot processing obtain the silk/bamboo original non-woven fabrics being crosslinked based on chitosan oligosaccharide.
2. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
Be: in the step (1), the length of bamboo original staple fiber is 1-5cm.
3. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
Be: in the step (1), the humidity of high humidity environment is 65-80%, and the time of standing is 5-10h.
4. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
It is: in the step (1), the technique of shredding combing are as follows: the rate of feeding of shredding is 600-900rpm, and the speed of licker-in is
1000-1500rpm。
5. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
Be: in the step (2), the mass fraction of chitosan oligosaccharide is 8-12% in finishing agent, and the mass fraction of glutaraldehyde is 5-8%.
6. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
Be: in the step (2), the temperature of drying is 60-65 DEG C, time 1-2h.
7. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
Be: in the step (3), the bath raio of swelling treatment is 1:30, and temperature is 50-55 DEG C, time 30-60min.
8. a kind of silk/bamboo original non-woven fabrics preparation method based on chitosan oligosaccharide crosslinking according to claim 1, feature
Be: in the step (4), the density of needle thorn is 200-250 thorn/cm2, depth of needling 3-5cm, 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 |
| CN106480603A (en) | 2017-03-08 |
| CN109972288A (en) | 2019-07-05 |
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