CN110306288A - A kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth - Google Patents
A kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth Download PDFInfo
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- CN110306288A CN110306288A CN201910270502.9A CN201910270502A CN110306288A CN 110306288 A CN110306288 A CN 110306288A CN 201910270502 A CN201910270502 A CN 201910270502A CN 110306288 A CN110306288 A CN 110306288A
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- net
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- kraft fibers
- spun lacing
- scytoblastema cloth
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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
-
- 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
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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
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—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
- D04H1/492—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 by fluid jet
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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
- D04H1/498—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 entanglement of layered 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The present invention relates to leather manufacture technical fields, and it discloses a kind of preparation processes of high physical property Te Pingniu fibre scytoblastema cloth.Net-forming process is overlapped including proportioning process, chemical fiber web net-forming process, kraft fibers net net-forming process, chemical fiber web and kraft fibers net；Ingredient is carried out by the weight ratio of 1:0.8~1:1.2 according to chemical fibre, kraft fibers in the proportioning process；The chemical fiber web net-forming process successively includes shredding, combing, process lapping, prewetted, pierced in advance: in the kraft fibers net net-forming process, kraft fibers net is made in kraft fibers raw material using air lay or water flow networking；The chemical fibre is the composite fibre of polyester fiber and nylon fibre, and nylon fibre accounts for 80% or more of composite fibre total weight；Wherein, the overlapping net-forming process successively include folded net, spun lacing, vacuum blot, dry, trimming, calendering, the process for grinding skin.The present invention improves the physical property of ox fibre scytoblastema cloth, and reduces production cost.
Description
Technical field
The present invention relates to leather manufacture technical fields, and in particular to a kind of preparation work of high physical property Te Pingniu fibre scytoblastema cloth
Skill.
Background technique
Leather is a major class production and living articles indispensable in human lives, is widely used in clothes, household, vapour
The numerous areas such as vehicle, public service.The offcut of a large amount of natural leathers generated in leathercraft production process, natural leather
Tailing quantity it is very big, as can carry out secondary use, especially secondary operation to it into ox fibre skin, will can produce quite big
Wealth, while positive meaning is generated to energy-saving and environment friendly.
Traditional regenerated leather is all that the leftover bits of various leathers and Animal Skin are ground into powder, then passes through adhesive
Or meldable fibre by powder-stuck, be pressed into the regenerated leather of monolith.Its hygroscopicity of this regenerated leather, the performances such as gas permeability, feel
Poor, gap is larger compared with corium.
For this purpose, the prior art develops a kind of collagen fiber reducing leather base fabric, it is the side by various leathers and Animal Skin
Horn scraps first extract collagenous fibres, then reducing leather base cloth is made by certain preparation process in collagenous fibres.This reduction
The collagenous fibres of leather base cloth have three-dimensional reticular structure, and performance and corium are close.
In the prior art, typical reducing leather base cloth is the aqueous ox fibre scytoblastema cloth manufactured using spun lacing technology, by with
Ox fibre scytoblastema cloth is bottom, bonds the PU film (polyurethane coatings) of one layer of imitation ox-hide effect in bottom surface, can be made
Ox-hide leather is emulated, as the final leathercraft such as fur clothing, sofa, luggage, leather shoes.
But the above-mentioned emulation ox-hide with ox fibre scytoblastema cloth and the bonding of polyurethane coatings remove from office generally existing physical property compared with
The drawbacks such as difference, specific manifestation are as follows: first is that lapping mode is more dull, lead to manufactured ox fibre scytoblastema cloth intensity difference in all directions
It is different larger；Second is that generally use normal pressure (3~15MPa) when spun lacing reinforcing, when spun lacing, is not easy to pierce, to reduce ox
The mechanical performance of fine scytoblastema cloth；Third is that the interfacial bonding strength of manufactured ox fibre scytoblastema cloth and PU film is lower；Fourth is that manufactured ox
Fine scytoblastema cloth planarization is not high, is unable to satisfy the particular/special requirement of the ox fibre scytoblastema cloth product of high-flatness requirement；Fifth is that after spun lacing
Drying need a large amount of energy, energy consumption is larger, production cost is higher.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth, it is intended to mention
The physical property of high ox fibre scytoblastema cloth, and reduce production cost.Specific technical solution is as follows:
A kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth, including proportioning process, chemical fiber web net-forming process, ox
Hide fiber net net-forming process, chemical fiber web and kraft fibers net overlap net-forming process；The proportioning process includes taking chemical fibre
Dimension, kraft fibers carry out ingredient by the weight ratio of 1:0.8~1:1.2 as the full raw material for piercing ox fibre scytoblastema cloth of preparation
Process；The chemical fiber web net-forming process successively includes shredding, combing, process lapping, prewetted, pierced in advance: the ox-hide
In web net-forming process, kraft fibers raw material is made by kraft fibers net using air lay or water flow networking；The chemistry
Fiber is nylon fibre, or is the composite fibre of polyester fiber and nylon fibre, and nylon fibre accounts in the composite fibre
80% or more of composite fibre total weight；
Wherein, the chemical fiber web and kraft fibers net overlapping net-forming process successively include folded net, spun lacing, vacuum suction
Dry, drying, trimming, calendering, the process for grinding skin.
Wherein, in the shredding process, using opener, the raw materials of chemical fibres are loosened, and remove impurity；?
In the carding step, using carding machine, the chemical fibre after shredding is combed；In the lapping process, using dry
Chemical fibre after combing is carried out lapping by formula lapping machine；In the process of prewetting, the chemical fibre after lapping is sprayed
Water is prewetted；In the pre- thorn process, using spun-laced machine, the chemical fibre after prewetting is pierced into chemical fiber web in advance；Described
In folded net process, kraft fibers net is superimposed on the composite fiber web that chemical fiber web is formed above；In the spun lacing process,
Using spun-laced machine, the composite fiber web after folded net is subjected to spun lacing reinforcing；In the vacuum dehydration process, vacuum dehydration is used
Machine carries out vacuum dehydration processing to the composite fiber web after spun lacing；In the baking process, set using hot-air through type drying
It is standby that drying and processing is carried out to composite fiber web；In the trimming process, using trimming device by the composite fiber web two after drying
Side carries out trimming finishing (unilateral to cut 2mm or so)；In the calendering operation, calender is used arrange processing to be formed
With the ox fibre scytoblastema cloth compared with high-flatness；In the mill skin process, mill skin is carried out to ox fibre scytoblastema cloth using leather decorticating mill
Processing is to form high physical property Te Pingniu fibre scytoblastema cloth.
In the preparation process of above-mentioned high physical property Te Pingniu fibre scytoblastema cloth, by rational proportion polyester fiber, nylon fibre and
Kraft fibers, one side enable to ox fibre scytoblastema cloth to have appearance and feel close to true ox-hide, on the other hand again can
Improve the mechanical strength of ox fibre scytoblastema cloth.In addition, since the bond strength of chemical fibre and PU film in ox fibre scytoblastema cloth compares ox
The bond strength of hide fiber and PU film wants high, therefore can be improved the interfacial bonding strength between ox fibre scytoblastema cloth and PU film.Phase
Than conventional ox fibre scytoblastema cloth, the peel strength of high physical property ox fibre scytoblastema cloth of the invention increases one times, which thereby enhances ox
The comprehensive physical performance of fine scytoblastema cloth.In addition, ox fibre scytoblastema cloth of the invention by calendering due to processing and grinding skin processing, table
Surface evenness is greatly improved, and can satisfy the particular/special requirement of the ox fibre scytoblastema cloth product of high-flatness requirement.
One of as a preferred solution of the present invention, in the lapping process in the chemical fiber web net-forming process, including adopt
The straight paving lapping through broadwise cross lapping and third layer to cross lapping, the second layer of first layer is successively carried out with lapping machine
Processing step.
In above-mentioned lapping process, the lapping of chemical fibre is used through to cross lapping, broadwise cross lapping and directly lapping
Combination lapping mode, compared to traditional one direction cross lapping, the present invention use through intersecting to broadwise both direction
Lapping can further improve the orientation of chemical fibre, so that manufactured ox fibre scytoblastema cloth has preferably in all directions
Tensile strength and peel strength, to improve the full physical property for piercing ox fibre scytoblastema cloth.
In the present invention, in the pre- thorn process in the chemical fiber web net-forming process, including using spun-laced machine to by pre-
Wet chemical fiber web carries out the processing step that the pre- thorn in front and reverse side pierce in advance.
Preferably, the pre- thorn in the front and reverse side pierces in advance using low pressure spun lacing, the hydraulic pressure of the low pressure spun lacing for 2~
4MPa。
As a preferred solution of the present invention two, the chemical fiber web and kraft fibers net overlap the water in net-forming process
It pierces in process, successively includes that pre- solid, the reverse side spun lacing of positive spun lacing is carried out to the composite fiber web formed after folded net using spun-laced machine
Pre- solid, positive spun lacing reinforces, the processing step that reverse side spun lacing is reinforced, wherein the front spun lacing it is pre- it is solid, reverse side spun lacing is pre- is admittedly
Normal pressure spun lacing, it is high-pressure water-jet that the front spun lacing, which is reinforced, reverse side spun lacing is reinforced.
Preferably, the hydraulic pressure of the normal pressure spun lacing is 3~8MPa, and the hydraulic pressure of the high-pressure water-jet is 30~40MPa.
Compared to conventional water jet process, the present invention increases high pressure water to the spun lacing of composite fiber web again after normal pressure spun lacing
Thorn, so that solving high-intensitive composite fiber web is not easy the drawbacks of piercing in normal pressure spun lacing.Composite fiber web warp
The connection structure for crossing its internal fiber after high-pressure water-jet is greatly improved, and is conducive to the tension for further increasing composite fiber web
Intensity and peel strength.
In addition, by the different phase of the preparation process in ox fibre scytoblastema cloth be respectively adopted low pressure spun lacing, normal pressure spun lacing and
On the one hand high-pressure water-jet can improve the full production quality for piercing ox fibre scytoblastema cloth to greatest extent, on the other hand be also beneficial to
Extend the service life of spun lacing core component.
In the present invention, the water flow networking includes preparing kraft fibers aqueous slurry, by the prepared kraft fibers
Aqueous slurry is delivered to processing step into the net on wet method laying net machine；Wherein, the proportion of the kraft fibers aqueous slurry is by weight
Meter are as follows: 100 parts of ionized water, 3~10 parts of kraft fibers.
By the proportion optimizing of kraft fibers aqueous slurry concentration, be conducive to kraft fibers into the control of thickness of net, thus
The ox fibre scytoblastema cloth that available different-thickness requires.
As a further improvement of the present invention, the vacuum in the chemical fiber web and kraft fibers net overlapping net-forming process
It blots in process, including carrying out vacuum dehydration to the composite fiber web formed after folded net using belt opposite-compacting type vacuum hydro-exhaustion machine
Processing step；Wherein, the belt opposite-compacting type vacuum hydro-exhaustion machine includes a pair upper water absorber of pairing arrangement and lower suction up and down
The vacuum tank of water suction, the suction of the vacuum tank are separately provided on water installations, the upper water absorber and lower water absorber
Be provided with the compressive zone of loop back on horizontal plane, and the compressive zone on upper water absorber and the compressive zone on lower water absorber it
Between be provided with the top clearance passed through for composite fiber web, be provided in the water suction plane of the vacuum tank connection vacuum tank in
The suction hole of portion's vacuum chamber, the compressive zone are permeable compressive zone.
Upper water absorber and lower water absorber in the present invention are fixed by rack.Wherein, upper water absorber is under
The distance between water absorber can by the adjusting screw rod realization of the slide moving up and down and connection slide that are arranged in rack
(wherein upper water absorber is connected on slide) is adjusted, to form different top clearances.
Above-mentioned vacuum blots in process, and belt opposite-compacting type vacuum hydro-exhaustion machine has the vacuum chamber of upper and lower two water suctions, and skin
Water absorption area with opposite-compacting type structure is big, compared with roll shaft in the prior art extruding or conventional vacuum water sucting mode, water suction
Efficiency obtains significantly.It is possible thereby to which the electric power of subsequent drying is greatly lowered, therefore there is preferable energy-saving effect.In addition, skin
With opposite-compacting type vacuum hydro-exhaustion machine since using plane, to pressure, the overall leveling of ox fibre scytoblastema cloth can be effectively improved, thus
Improve the presentation quality of ox fibre scytoblastema cloth.
In the present invention, it is provided with the driven roller and passive guide roller for realizing compressive zone revolution on the vacuum tank, is driving
A number of guide roller is additionally provided between roller and passive guide roller.
Wherein, the driven roller is driven by decelerating motor and is rotated, and drive upside down roller rotates to be synchronous rotary.
In the present invention, the vacuum tank connects vacuum pump.
In the present invention, the calendering operation and mill skin process in, using 1.0~3.0 ms/min speeds carry out calenderings and
Skin, and the speed that the ox fibre scytoblastema cloth is different according to the Different matching of nylon fibre content in composite fibre are ground, polyamide fibre is fine
Higher speed is taken when taking lower speed, nylon fibre content low when dimension hplc is high.
Above by the speed in optimization calendering operation and mill skin process, while balanced production efficiency, also further
Improve the overall leveling of ox fibre scytoblastema cloth.
The beneficial effects of the present invention are:
First, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention, by rational proportion polyester fiber,
Nylon fibre and kraft fibers, one side enables to ox fibre scytoblastema cloth to have appearance and feel close to true ox-hide, another
Aspect can be improved the mechanical strength of ox fibre scytoblastema cloth again.In addition, due to the knot of chemical fibre and PU film in ox fibre scytoblastema cloth
It is higher than the bond strength of kraft fibers and PU film to close intensity, therefore can be improved the interlayer knot between ox fibre scytoblastema cloth and PU film
Close intensity.Compared to conventional ox fibre scytoblastema cloth, the peel strength of high physical property ox fibre scytoblastema cloth of the invention increases one times, thus
Improve the comprehensive physical performance of ox fibre scytoblastema cloth.In addition, ox fibre scytoblastema cloth of the invention by calendering due to processing and grinding skin
Processing, surface smoothness are greatly improved, and can satisfy special the wanting of the ox fibre scytoblastema cloth product of high-flatness requirement
It asks.
Second, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention, the lapping of chemical fibre is using warp
To the combination lapping mode of cross lapping, broadwise cross lapping and straight paving lapping, compared to traditional one direction cross lapping, this hair
Bright use is carried out cross lapping to broadwise both direction, can further improve the orientation of chemical fibre, so that system
At ox fibre scytoblastema cloth have preferable tensile strength and peel strength in all directions, complete pierce ox fibre scytoblastema to improve
The physical property of cloth.
Third, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention, compared to conventional water jet process, originally
Invention increases high-pressure water-jet again after normal pressure spun lacing to the spun lacing of composite fiber web, to solve high-intensitive composite fibre
Net is not easy the drawbacks of piercing in normal pressure spun lacing.The connection knot of composite fiber web its internal fiber after high-pressure water-jet
Structure is greatly improved, and is conducive to the tensile strength for further increasing composite fiber web and peel strength.
4th, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention passes through the system in ox fibre scytoblastema cloth
Low pressure spun lacing, normal pressure spun lacing and high-pressure water-jet is respectively adopted in the different phase of standby technique, on the one hand can improve to greatest extent
On the other hand the full production quality for piercing ox fibre scytoblastema cloth is also beneficial to extend the service life of spun lacing core component.
5th, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention passes through kraft fibers aqueous slurry
The proportion optimizing of concentration is conducive to kraft fibers at the control of thickness of net, so as to obtain the ox fibre skin of different-thickness requirement
Base fabric.
6th, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention, vacuum blots in process, belt pair
Pressure type vacuum hydro-exhaustion machine has the vacuum chamber of upper and lower two water suctions, and the water absorption area of belt opposite-compacting type structure is big, with existing skill
Roll shaft in art squeezes or conventional vacuum water sucting mode is compared, and water-taking efficiency obtains significantly.It is possible thereby to be greatly lowered
The electric power of subsequent drying, therefore there is preferable energy-saving effect.In addition, belt opposite-compacting type vacuum hydro-exhaustion machine is due to using plane pair
Pressure, therefore the overall leveling of ox fibre scytoblastema cloth can be effectively improved, to improve the presentation quality of ox fibre scytoblastema cloth.
7th, a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention passes through optimization calendering operation and mill
Speed in skin process also further improves the overall leveling of ox fibre scytoblastema cloth while balanced production efficiency.
Detailed description of the invention
Fig. 1 is the process flow diagram of the preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention a kind of；
Fig. 2 is lapping schematic diagram；
Fig. 3 is the structural schematic diagram of belt opposite-compacting type vacuum hydro-exhaustion machine.
In figure: 1, belt opposite-compacting type vacuum hydro-exhaustion machine, 2, composite fiber web, 3, upper water absorber, 4, lower water absorber, 5,
Vacuum tank, 6, compressive zone, 7, vacuum chamber, 8, suction hole, 9, driven roller, 10, passive guide roller, 11, guide roller, 12, rollers.
In figure: P is through to cross lapping, and Q is broadwise cross lapping, and R is straight paving lapping, and M is from through to cross lapping, latitude
The combination lapping formed to cross lapping, straight paving lapping.
In figure: A is the feed end of composite fiber web on belt opposite-compacting type vacuum hydro-exhaustion machine, and B is the suction of belt opposite-compacting type vacuum
The discharge end of composite fiber web in water dispenser.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1:
It is as shown in Figures 1 to 3 the embodiment of the preparation process of high physical property Te Pingniu fibre scytoblastema cloth of the invention a kind of, including
Proportioning process, chemical fiber web net-forming process, kraft fibers net net-forming process, chemical fiber web and kraft fibers net overlap networking
Technique；The proportioning process includes taking chemical fibre, kraft fibers as the full raw material for piercing ox fibre scytoblastema cloth of preparation to press 1:
The process that the weight ratio of 0.8~1:1.2 carries out ingredient；The chemical fiber web net-forming process successively includes shredding, combing, paving
Net, the process prewetted, pierced in advance: in the kraft fibers net net-forming process, using air lay or water flow networking by kraft fibers
Kraft fibers net is made in raw material；The chemical fibre is nylon fibre, or is the composite fibre of polyester fiber and nylon fibre,
And nylon fibre accounts for 80% or more of composite fibre total weight in the composite fibre；
Wherein, the chemical fiber web and kraft fibers net overlapping net-forming process successively include folded net, spun lacing, vacuum suction
Dry, drying, trimming, calendering, the process for grinding skin.
Wherein, in the shredding process, using opener, the raw materials of chemical fibres are loosened, and remove impurity；?
In the carding step, using carding machine, the chemical fibre after shredding is combed；In the lapping process, using dry
Chemical fibre after combing is carried out lapping by formula lapping machine；In the process of prewetting, the chemical fibre after lapping is sprayed
Water is prewetted；In the pre- thorn process, using spun-laced machine, the chemical fibre after prewetting is pierced into chemical fiber web in advance；Described
In folded net process, kraft fibers net is superimposed on the composite fiber web that chemical fiber web is formed above；In the spun lacing process,
Using spun-laced machine, the composite fiber web after folded net is subjected to spun lacing reinforcing；In the vacuum dehydration process, vacuum dehydration is used
Machine carries out vacuum dehydration processing to the composite fiber web after spun lacing；In the baking process, set using hot-air through type drying
It is standby that drying and processing is carried out to composite fiber web；In the trimming process, using trimming device by the composite fiber web two after drying
Side carries out trimming finishing (unilateral to cut 2mm or so)；In the calendering operation, calender is used arrange processing to be formed
With the ox fibre scytoblastema cloth compared with high-flatness；In the mill skin process, mill skin is carried out to ox fibre scytoblastema cloth using leather decorticating mill
Processing is to form high physical property Te Pingniu fibre scytoblastema cloth.
In the preparation process of above-mentioned high physical property Te Pingniu fibre scytoblastema cloth, by rational proportion polyester fiber, nylon fibre and
Kraft fibers, one side enable to ox fibre scytoblastema cloth to have appearance and feel close to true ox-hide, on the other hand again can
Improve the mechanical strength of ox fibre scytoblastema cloth.In addition, since the bond strength of chemical fibre and PU film in ox fibre scytoblastema cloth compares ox
The bond strength of hide fiber and PU film wants high, therefore can be improved the interfacial bonding strength between ox fibre scytoblastema cloth and PU film.Phase
Than conventional ox fibre scytoblastema cloth, the peel strength of the high physical property ox fibre scytoblastema cloth of the present embodiment increases one times, which thereby enhances
The comprehensive physical performance of ox fibre scytoblastema cloth.In addition, the ox fibre scytoblastema cloth of the present embodiment is processed since skin is processed and ground by calendering,
Its surface smoothness is greatly improved, and can satisfy the particular/special requirement of the ox fibre scytoblastema cloth product of high-flatness requirement.
One of preferred embodiment as the present embodiment, in the lapping process in the chemical fiber web net-forming process, including
The straight paving lapping through broadwise cross lapping and third layer to cross lapping, the second layer of first layer is successively carried out using lapping machine
Processing step.
In above-mentioned lapping process, the lapping of chemical fibre is used through to cross lapping, broadwise cross lapping and directly lapping
Combination lapping mode, compared to traditional one direction cross lapping, the present embodiment use through being handed over to broadwise both direction
Pitch lapping, can further improve the orientation of chemical fibre so that manufactured ox fibre scytoblastema cloth have in all directions compared with
Good tensile strength and peel strength, to improve the full physical property for piercing ox fibre scytoblastema cloth.
In the present embodiment, in the pre- thorn process in the chemical fiber web net-forming process, including using spun-laced machine to process
The chemical fiber web prewetted carries out the processing step that the pre- thorn in front and reverse side pierce in advance.
Preferably, the pre- thorn in the front and reverse side pierces in advance using low pressure spun lacing, the hydraulic pressure of the low pressure spun lacing for 2~
4MPa。
Two of preferred embodiment as the present embodiment, the chemical fiber web and kraft fibers net overlap in net-forming process
It successively include that pre- solid, the reverse side water of positive spun lacing is carried out to the composite fiber web formed after folded net using spun-laced machine in spun lacing process
Pierce pre- solid, positive spun lacing reinforce, the processing step that reverse side spun lacing is reinforced, wherein the front spun lacing it is pre- it is solid, reverse side spun lacing is pre- solid
For normal pressure spun lacing, it is high-pressure water-jet that the front spun lacing, which is reinforced, reverse side spun lacing is reinforced.
Preferably, the hydraulic pressure of the normal pressure spun lacing is 3~8MPa, and the hydraulic pressure of the high-pressure water-jet is 30~40MPa.
Compared to conventional water jet process, the present embodiment increases high pressure to the spun lacing of composite fiber web again after normal pressure spun lacing
Spun lacing, so that solving high-intensitive composite fiber web is not easy the drawbacks of piercing in normal pressure spun lacing.Composite fiber web
The connection structure of its internal fiber is greatly improved after high-pressure water-jet, is conducive to further increase the anti-of composite fiber web
Tensile strength and peel strength.
In addition, by the different phase of the preparation process in ox fibre scytoblastema cloth be respectively adopted low pressure spun lacing, normal pressure spun lacing and
On the one hand high-pressure water-jet can improve the full production quality for piercing ox fibre scytoblastema cloth to greatest extent, on the other hand be also beneficial to
Extend the service life of spun lacing core component.
In the present embodiment, the water flow networking include prepare kraft fibers aqueous slurry, will prepared ox-hide fibre
Dimension aqueous slurry is delivered to processing step into the net on wet method laying net machine；Wherein, the proportion of the kraft fibers aqueous slurry is pressed
Poidometer are as follows: 100 parts of ionized water, 3~10 parts of kraft fibers.
By the proportion optimizing of kraft fibers aqueous slurry concentration, be conducive to kraft fibers into the control of thickness of net, thus
The ox fibre scytoblastema cloth that available different-thickness requires.
As further improvement of this embodiment, the chemical fiber web overlaps true in net-forming process with kraft fibers net
Suction is done in process, including carrying out vacuum suction to the composite fiber web 2 formed after folded net using belt opposite-compacting type vacuum hydro-exhaustion machine 1
The processing step of water；Wherein, the belt opposite-compacting type vacuum hydro-exhaustion machine 1 includes the upper water absorber 3 of a pair of arrangement of pairing up and down
With lower water absorber 4, the vacuum tank 5 of water suction is separately provided on the upper water absorber 3 and lower water absorber 4, it is described
The compressive zone 6 of loop back is provided in the water suction plane of vacuum tank 5, and the compressive zone 6 on upper water absorber 3 and lower water suction fill
It sets and is provided with the top clearance passed through for composite fiber web 2 between the compressive zone 6 on 4, in the water suction plane of the vacuum tank 5
It is provided with the suction hole 8 of connection 5 internal vacuum 7 of vacuum tank, the compressive zone 6 is permeable compressive zone.
The upper water absorber 3 of the present embodiment is identical with lower 4 structure of water absorber, and upper water absorber 3 and lower water absorber 4
It is fixed by rack.Wherein, the distance between upper water absorber 3 and lower water absorber 4 by be arranged in rack can on
The slide of lower movement and the adjusting screw rod of connection slide realize adjustable (wherein upper water absorber is connected on slide), to be formed not
Same top clearance.
Above-mentioned vacuum blots in process, and belt opposite-compacting type vacuum hydro-exhaustion machine 1 has the vacuum chamber 7 of upper and lower two water suctions, and
The water absorption area of belt opposite-compacting type structure is big, compared with roll shaft in the prior art extruding or conventional vacuum water sucting mode, inhales
Water efficiency obtains significantly.It is possible thereby to which the electric power of subsequent drying is greatly lowered, therefore there is preferable energy-saving effect.In addition,
Belt opposite-compacting type vacuum hydro-exhaustion machine 1 can effectively improve the overall leveling of ox fibre scytoblastema cloth since use plane is to pressure, from
And improve the presentation quality of ox fibre scytoblastema cloth.
In the present embodiment, the driven roller 9 turned round for realizing compressive zone 6 and passive guide roller 10 are provided on the vacuum tank 5,
A number of guide roller 11 is additionally provided between driven roller 9 and passive guide roller 10.
Wherein, the driven roller 9 is driven by decelerating motor and is rotated, and drive upside down roller 9 rotates to be synchronous rotary.
In the present embodiment, the vacuum tank 5 connects vacuum pump.
In the present embodiment, in the calendering operation and mill skin process, calendering is carried out using 1.0~3.0 ms/min of speeds
With mill skin, and the speed that the ox fibre scytoblastema cloth is different according to the Different matching of nylon fibre content in composite fibre, polyamide fibre
Higher speed is taken when taking lower speed, nylon fibre content low when fiber content is high.
Above by the speed in optimization calendering operation and mill skin process, while balanced production efficiency, also further
Improve the overall leveling of ox fibre scytoblastema cloth.
Embodiment 2:
Take a number of ox fibre scytoblastema cloth prepared by embodiment 1 be sample, size of sample be length be 150mm, width
Then 30mm, thickness 2.5mm carry out peel load test, and compare (test with common process manufacture ox fibre scytoblastema cloth
23 DEG C ± 2 DEG C of environment temperature, relative humidity 50% ± 10%), it is as a result as follows:
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth, which is characterized in that including proportioning process, chemical fiber web at
Network process, kraft fibers net net-forming process, chemical fiber web and kraft fibers net overlap net-forming process；The proportioning process includes
Chemical fibre, kraft fibers are taken as the full raw material for piercing ox fibre scytoblastema cloth of preparation and press the weight ratio of 1:0.8~1:1.2
The process for carrying out ingredient；The chemical fiber web net-forming process successively includes shredding, combing, process lapping, prewetted, pierced in advance:
In the kraft fibers net net-forming process, kraft fibers raw material is made by kraft fibers net using air lay or water flow networking；
The chemical fibre is nylon fibre, or is the composite fibre of polyester fiber and nylon fibre, and bright and beautiful in the composite fibre
Synthetic fibre fiber accounts for 80% or more of composite fibre total weight；
Wherein, it includes folding net, spun lacing, vacuum to blot, dry that the chemical fiber web, which overlaps net-forming process successively with kraft fibers net,
Dry, trimming, calendering, the process for grinding skin.
2. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 1, which is characterized in that describedization
Learn in the lapping process in web net-forming process, including using lapping machine successively carry out first layer through to cross lapping, the
The processing step of the straight paving lapping of two layers of broadwise cross lapping and third layer.
3. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 1, which is characterized in that describedization
It learns in the pre- thorn process in web net-forming process, it is pre- including carrying out front to the chemical fiber web by prewetting using spun-laced machine
The processing step that thorn and reverse side pierce in advance.
4. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 3, which is characterized in that it is described just
Face is pierced in advance and reverse side is pierced in advance using low pressure spun lacing, and the hydraulic pressure of the low pressure spun lacing is 2~4MPa.
5. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 1, which is characterized in that describedization
It learns in the spun lacing process in web and kraft fibers net overlapping net-forming process, includes successively using spun-laced machine to being formed after folded net
Composite fiber web carry out pre- solid, pre- solid, the positive spun lacing of reverse side spun lacing of positive spun lacing reinforce, the technique step that reverse side spun lacing is reinforced
Suddenly, wherein pre- solid, the pre- reverse side spun lacing of front spun lacing is normal pressure spun lacing admittedly, and the front spun lacing is reinforced, reverse side spun lacing is reinforced
For high-pressure water-jet.
6. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 5, which is characterized in that described normal
The hydraulic pressure for pressing spun lacing is 3~8MPa, and the hydraulic pressure of the high-pressure water-jet is 30~40MPa.
7. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 1, which is characterized in that the water
Stream networking includes preparing kraft fibers aqueous slurry, the prepared kraft fibers aqueous slurry being delivered to wet method laying net machine
Upper processing step into the net；Wherein, the proportion of the kraft fibers aqueous slurry is by weight are as follows: 100 parts of ionized water, ox-hide is fine
3~10 parts of dimension.
8. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 1, which is characterized in that describedization
The vacuum learned in web and kraft fibers net overlapping net-forming process blots in process, including uses belt opposite-compacting type vacuum dehydration
Machine carries out the processing step of vacuum dehydration to the composite fiber web formed after folded net；Wherein, the belt opposite-compacting type vacuum dehydration
Machine includes a pair pairing is arranged up and down upper water absorber and lower water absorber, is divided on the upper water absorber and lower water absorber
It is not provided with the vacuum tank for water suction, the compressive zone of loop back, and upper suction are provided in the water suction plane of the vacuum tank
It is provided with the top clearance passed through for composite fiber web between the compressive zone on compressive zone and lower water absorber in water installations,
The suction hole of connection vacuum tank internal vacuum is provided in the water suction plane of the vacuum tank, the compressive zone squeezes for permeable
Pressure zone.
9. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 8, which is characterized in that described true
Empty van connects vacuum pump.
10. a kind of preparation process of high physical property Te Pingniu fibre scytoblastema cloth according to claim 1, which is characterized in that described
In calendering operation and mill skin process, calendering and mill skin, and the ox fibre scytoblastema cloth are carried out using 1.0~3.0 ms/min of speeds
According to the different speed of the Different matching of nylon fibre content in composite fibre, nylon fibre content taken when high lower speed,
Nylon fibre content takes higher speed when low.
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