CN108251905A - The preparation method of cattle-hide collagen fibers and its cattle-hide collagen fibers obtained and application - Google Patents
The preparation method of cattle-hide collagen fibers and its cattle-hide collagen fibers obtained and application Download PDFInfo
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- CN108251905A CN108251905A CN201810056895.9A CN201810056895A CN108251905A CN 108251905 A CN108251905 A CN 108251905A CN 201810056895 A CN201810056895 A CN 201810056895A CN 108251905 A CN108251905 A CN 108251905A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F4/00—Monocomponent artificial filaments or the like of proteins; Manufacture thereof
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Abstract
The present invention provides a kind of preparation method of cattle-hide collagen fibers and its cattle-hide collagen fibers obtained and applications, are related to textile technology field.The preparation method of the cattle-hide collagen fibers using by ox-hide leather soak handle while stirring get rid of it is soft by the way of, it ensure that ox-hide leather can fully absorb the expansion bating effect that treatment fluid reaches best in stirring, and cattle-hide collagen fibers beam is hit using elastic material in the shredding step of subsequent handling, reduce the physical damnification and pressure in later process, make that there is excellent physical mechanical property using cattle-hide collagen fibers made from this method, it can reach the quality requirement for preparing textile product, and with antibacterial deodourizing, hydroscopic fast-drying, heat-insulation breathable, it is natural fire-retardant, the functions such as pro-skin health, solve it is in the prior art lack a kind of cattle-hide collagen fibers for producing high quality method the technical issues of.
Description
Technical field
The present invention relates to textile technology field, preparation method more particularly, to a kind of cattle-hide collagen fibers and its obtained
Cattle-hide collagen fibers and application.
Background technology
Ox-hide leather is mainly mutually woven by beamforming and microbeam collagen type fiber, mutually interspersed to tangle the one kind to be formed
3 D stereo reticular structure body, compact structure.Cattle-hide collagen fibers mainly comprising cow leather collagen fiber, have remarkable object
The excellent function such as mechanical performance and antibacterial deodourizing, hydroscopic fast-drying, breathable heat insulating, natural fire-retardant, pro-skin health is managed, in recent years, from
Extraction cattle-hide collagen fibers, which recycle, in ox-hide leather leftover pieces receives more and more attention.
Cattle-hide collagen fibers are mainly used as non-woven fabrics raw material, recycled Kraft leather base cloth, electrostatic spinning material, fibrefill
Deng a small amount of exploitation for being used for cattle-hide collagen fibers yarn.Because of textile garment especially underwear, underpants, socks, worsted fabric, height
Shelves fashion material etc. is more demanding to physical mechanical properties such as the length of fiber, fineness, fracture strength, elongation at breaks, due to
The quality requirement of textile garment is not achieved in the preparation method of cattle-hide collagen fibers at present, therefore also rarer specifically for spinning at present
Woven garment is reported with the long stapled exploitation of ox-hide collagen.
It first carries out swelling sofening treatment in the method for prior art preparation cattle-hide collagen fibers to leather mostly, recycles machine
Tool equipment carries out physics defibering and obtains shorter cattle-hide collagen fibers.
In the prior art, the swelling sofening treatment of ox-hide leather is mainly swollen under the action of bleeding agent or protease
Processing, and be swollen and carried out usually in alkaline environment.Because collagen fabric is intolerant to long-time base extraction, ox-hide leather alkalinity
Sofening treatment is swollen in solution to produce bigger effect cattle-hide collagen fibers physical mechanical property；Ox-hide leather is containing only
Swelling sofening treatment is carried out in the solution of bleeding agent, leather infiltration bating effect can be caused bad, subsequently filled using fibrillation
Larger damage is easily caused when putting to fiber.
In addition, the fiber-opening apparatus used in the preparation method of cattle-hide collagen fibers is substantially carried out by force using non-professional equipment
The physics strike of power, fibre damage is excessive, and fibrillation rate is not high, causes that cattle-hide collagen fibers length is shorter, and line density is larger, can only
For slubbing style, cause the quality of final fiber that textile garment raw materials requirement is not achieved.
Therefore the cattle-hide collagen fibers of prior art exploitation prevent its performance and function product to be caused to add from making full use of
Value is not high.Therefore it a kind of method for the cattle-hide collagen fibers for producing high quality and produces and a kind of can be used for the high-quality of textile garment
It is market needs to measure cattle-hide collagen fibers.
In view of this, it is special to propose the present invention.
Invention content
The first object of the present invention is to provide a kind of preparation method of cattle-hide collagen fibers, solves and deposit in the prior art
A kind of method for lacking cattle-hide collagen fibers for producing high quality the technical issues of.
The second object of the present invention is to provide what a kind of preparation method using above-mentioned cattle-hide collagen fibers was prepared
Cattle-hide collagen fibers solve and in the prior art lack a kind of high quality animal glue fibril that can be used for textile garment
The technical issues of dimension.
The third object of the present invention is to provide a kind of above-mentioned cattle-hide collagen fibers and is preparing antibacterial deodourizing, hydroscopic fast-drying,
Application in heat-insulation breathable or fire proofing solves a kind of multifunctional natural fibrous raw material of shortage in the prior art
The technical issues of.
In order to solve the above technical problems, spy of the present invention adopts the following technical scheme that：
A kind of preparation method of cattle-hide collagen fibers, the preparation method include ox-hide first being removed from office sofening treatment, then will be soft
The loosening processing of ox-hide leather of change obtains cattle-hide collagen fibers beam, and cattle-hide collagen fibers beam then is obtained ox-hide after shredding is handled
The step of collagenous fibres；
The sofening treatment, which includes stirring ox-hide leather while soaking and handling, gets rid of soft step；
The shredding processing includes the use of the step of elastic material beats cattle-hide collagen fibers beam.
Further, the immersion processing includes ox-hide leather be soaked in successively comprising the first auxiliary agent, the second auxiliary agent and the
The step of softening in the solution of three auxiliary agents；
First auxiliary agent includes bleeding agent, protease, pH adjusting agent and salt；
Preferably, first auxiliary agent is counted in parts by weight comprising 3-6 parts of bleeding agent, 5-15 parts of protease, pH adjusting agent
4-8 parts and 1-5 parts of salt；
Second auxiliary agent includes protease and pH adjusting agent；
Preferably, second auxiliary agent is counted in parts by weight comprising 8-15 parts of -15 parts of proteinase 8 and pH adjusting agent；
The third auxiliary agent includes softening agent and leavening agent；
Preferably, the third auxiliary agent is counted in parts by weight comprising 5-10 parts of 5-10 parts of softening agent and leavening agent；
Preferably, the protease is preferably papain；
Preferably, the pH adjusting agent is preferably organic monoacid；
It is further preferred that the organic monoacid includes one or more of formic acid, acetic acid, oxalic acid and citric acid.
Further, in the step that ox-hide leather is soaked in the solution comprising the first auxiliary agent, soaking bath ratio is 1:2-
1:5, soaking temperature is 30-70 DEG C, soaking time 1-4h, mixing speed 10-100r/min；
And/or in the step that ox-hide leather is soaked in the solution comprising the second auxiliary agent, soaking temperature is 35-50 DEG C,
Soaking time is 1-3h, mixing speed 10-100r/min；
And/or in the step that ox-hide leather is soaked in the solution comprising third auxiliary agent, soaking temperature is 35-70 DEG C,
Soaking time is 1-3h, mixing speed 10-100r/min.
Further, the stirring gets rid of Soft Roll and includes ox-hide leather being placed in and turns in pot stirring and get rid of soft step；
Preferably, it is provided with stirring rod in described turn of pot；
It is further preferred that it is provided with finger in the stirring rod.
Further, the loosening processing include by the ox-hide of softening leather using with needle cloth turn rod beat tear after do
It is dry to obtain cattle-hide collagen fibers beam the step of；
Preferably, the rod that turns with needle cloth is used to beat and tear 20-180min the leather of softening；
Preferably, it is described to turn rod rotating speed as 50-1000r/min with needle cloth；
Preferably, the rod raising speed in velocity interval that turns with needle cloth rotates；
Preferably, the moisture content of the cattle-hide collagen fibers beam is 30%-70%.
Further, the shredding processing, which is included the use of after elastic material hits the cattle-hide collagen fibers beam 1-2h, obtains
The step of cattle-hide collagen fibers；
Preferably, the striking frequency of elastic material strike cattle-hide collagen fibers beam is 50-2000 times/min；
Preferably, the striking frequency of elastic material strike cattle-hide collagen fibers beam gradually rises in frequency range.
Further, the preparation method is further included the step through the cleaning separation of shredding treated cattle-hide collagen fibers
Suddenly；
Preferably, the cleaning separation includes cleaning cattle-hide collagen fibers, and detach simultaneously under conditions of 20-50 DEG C
The step of going out impurity and pieces of leather；
Preferably, the cleaning separation further includes the step that will remove the cattle-hide collagen fibers cleaning showers of impurity and pieces of leather
Suddenly.
Further, the preparation method, which is further included, is arranged cattle-hide collagen fibers using finishing agent, then will be after arrangement
The step of processing and secondary shredding processing is dried in cattle-hide collagen fibers；
Preferably, the finishing agent includes one or more in leavening agent, softening agent, smooth agent and antistatic agent；
Preferably, a concentration of 1%-5% of the finishing agent；
Preferably, described be dried includes first drying cattle-hide collagen fibers through rolling drying machine, then in 50-80 DEG C of item
Dry step under part.
A kind of cattle-hide collagen fibers being prepared using above-mentioned preparation method；
Preferably, the fibre length of the cattle-hide collagen fibers is 30-60mm, fineness 1.5-3.0dtex, and crystallinity is
25-35%, degree of orientation 50-70%, fracture strength 8-15cN/dtex, elongation at break 20-30%.
Above-mentioned cattle-hide collagen fibers are preparing antibacterial deodourizing, hydroscopic fast-drying, the application in heat-insulation breathable or fire proofing.
Compared with prior art, the present invention has the advantages that：
The preparation method of cattle-hide collagen fibers provided by the invention, including ox-hide first removed from office sofening treatment, then by softening
Ox-hide leather carries out loosening processing and obtains cattle-hide collagen fibers beam, and cattle-hide collagen fibers beam then is obtained ox-hide after shredding is handled
The step of collagenous fibres, wherein, the sofening treatment, which includes ox-hide leather being stirred while soaking and handling, gets rid of supple-settlement
The step of；The shredding processing includes the use of the step of elastic material beats cattle-hide collagen fibers beam.This method is stirred using side
The technical solution of side softening is mixed, ensure that ox-hide leather can fully absorb treatment fluid in stirring, ensures best expansion softening
Effect reduces the physical damnification and pressure of defibering in later process, the fiber of cattle-hide collagen fibers made from this method is made
Rate is up to 60%-90%, has excellent physical mechanical property.
The cattle-hide collagen fibers provided by the invention being prepared using above-mentioned preparation method have excellent physical mechanical
Performance since cattle-hide collagen fibers good quality is made in this method, makes this method that cattle-hide collagen fibers be made and can reach weaving clothes
Dress raw materials requirement has high added value.
The application of above-mentioned cattle-hide collagen fibers provided by the invention, can be applied to prepare has antibacterial deodourizing, hydroscopic fast-drying,
In heat-insulation breathable and fire-retardant multiple functions material, cattle-hide collagen fibers contain the natural antibacterial factor, can restraining and sterilizing bacteria, can
Inhibit staphylococcus aureus, Escherichia coli and Candida albicans, there is prominent anti-bacterial anti-foul function；Cattle-hide collagen fibers
Regain is up to 22%, is 2-3 times of general natural fiber, has remarkable hydroscopic fast-drying characteristic, far extraordinary to see naturally
Fiber；The special multi-dimentional scale construction feature of cattle-hide collagen fibers, makes it have prominent heat-insulation breathable performance；Animal glue fibril
The limit oxygen index of dimension burning is up to 25%, is best natural fire resistance fibre；Cattle-hide collagen fibers also have excellent green
Health characteristic.The 70~80% of application on human skin dry weight are Type I collagen albumen, and cattle-hide collagen fibers are as a kind of natural Type I collagen
Azelon has natural affinity with the skin of people, and comfortable docile is safe and healthy, is a Green health-preserving health fiber.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiments obtained without making creative work belong to the model that the present invention protects
It encloses.It should be noted that such as there is term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction
Or imply relative importance.
The present invention provides a kind of preparation method of cattle-hide collagen fibers, the preparation method is included first by ox bating
Processing, then the loosening processing of the ox-hide of softening leather is obtained into cattle-hide collagen fibers beam, then by cattle-hide collagen fibers beam through shredding at
The step of cattle-hide collagen fibers are obtained after reason；Wherein described sofening treatment, which includes stirring ox-hide leather while soaking and handling, to be got rid of
Soft step；The shredding processing includes the use of the step of elastic material beats cattle-hide collagen fibers beam.Made from this method
The fiber row yielding of cattle-hide collagen fibers is up to 60%~90%, has excellent physical mechanical property, and with excellent
The functions such as antibacterial deodourizing, hydroscopic fast-drying, heat-insulation breathable, natural fire-retardant, pro-skin health.
Different from traditional method the step of sofening treatment in the preparation method of cattle-hide collagen fibers provided by the invention,
In conventional method, technical staff preferably softens expansion effect by improving the auxiliary formula that softening uses to reach, and this hair
Bright ox-hide leather is soaked in while immersion is handled in auxiliary agent is stirred, and using the technical solution softened while stirring, ensures
Ox-hide leather can fully absorb treatment fluid in stirring, ensure best expansion bating effect, reduce defibering in later process
Physical damnification and pressure.
Shredding processing includes the use of elastic material by animal glue in the preparation method of cattle-hide collagen fibers provided by the invention
The step of fibrinogen beam is beaten：Conventional method is removed from office using the ox-hide that rigid material strike has softened, and cattle-hide collagen fibers are damaged
Greatly, the present invention uses elastic material shredding cattle-hide collagen fibers, can effectively prevent interrupting and damage fiber during strike ox-hide leather,
It ensure that long stapled recovery rate and quality.
In one optionally embodiment, the immersion processing includes ox-hide leather being soaked in successively to be helped comprising first
The step of softening in the solution of agent, the second auxiliary agent and third auxiliary agent；
Wherein, first auxiliary agent includes bleeding agent, protease, pH adjusting agent and salt；Second auxiliary agent includes albumen
Enzyme and pH adjusting agent；The third auxiliary agent includes softening agent and leavening agent；
In one optionally embodiment, first auxiliary agent is counted in parts by weight comprising 3-6 parts of bleeding agent, protease
1-5 parts of 5-15 parts, 4-8 parts of pH adjusting agent and salt；
Optionally, the bleeding agent includes surfactant-based bleeding agent or organic solvent class bleeding agent, such as can be
But it is not limited to penetrating agent JFC, laurilsulfate sodium, sulfosuccinate, isopropanol, PF-C or azone；
Optionally, the protease is preferably papain；
Optionally, the pH adjusting agent is preferably organic monoacid, such as can be but be not limited to formic acid, acetic acid, oxalic acid
Or citric acid, further preferably acetic acid；
Optionally, above-mentioned first auxiliary agent is counted in parts by weight comprising following component：3-6 parts of bleeding agent, for example, can be but
It is not limited to 3 parts, 4 parts, 5 parts or 6 parts, preferably 4.5 parts；5-15 parts of papain, such as can be but be not limited to 5
Part, 7 parts, 9 parts, 11 parts, preferably 12 parts or 15 parts, 10 parts；4-8 parts of acetic acid, for example, can be but be not limited to 4 parts, 5
Part, preferably 7 parts or 8 parts, 6 parts；1-5 parts of sodium chloride, such as can be but be not limited to 1 part, 2 parts, 3 parts, 4 parts or 5
Part, preferably 2.5 parts；By further optimizing the component proportion of the first auxiliary agent, the bating effect of ox-hide leather can be improved.
In one optionally embodiment, second auxiliary agent is counted in parts by weight comprising -15 parts of proteinase 8 and pH tune
Save 8-15 parts of agent；
Optionally, the protease papain enzyme；
Optionally, the pH adjusting agent be organic monoacid, such as can be but be not limited to formic acid, acetic acid, oxalic acid or
Citric acid, further preferably formic acid；
Optionally, above-mentioned second auxiliary agent is counted in parts by weight comprising following component：- 12 parts of proteinase 8, for example, can be but
It is not limited to 8 parts, 9 parts, 10 parts, 11 parts or 12 parts, preferably 10 parts；8-15 parts of formic acid, such as can be but be not limited to 8
Part, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, preferably 14 parts or 15 parts, 12 parts；By further optimizing the second auxiliary agent
Component proportion can improve the bating effect of ox-hide leather.
Wherein, the pH adjusting agent of the first auxiliary agent and the second auxiliary agent is preferably acidic ph modifier, can be reduced to ox-hide collagen
The destruction of collagen in fiber.
In one optionally embodiment, the third auxiliary agent count in parts by weight comprising 5-10 part of softening agent with it is fluffy
5-10 parts of agent, wherein leavening agent are preferably fluffy silicone oil；Optionally, the softening agent for example can be but be not limited to 5 parts, 6
Part, 7 parts, 8 parts, preferably 9 parts or 10 parts, 7 parts；Optionally, the leavening agent for example can be but be not limited to 5 parts, 6
Part, 7 parts, 8 parts, preferably 9 parts or 10 parts, 8 parts；By further optimizing the component proportion of third auxiliary agent, ox can be improved
The bating effect of leather.
In one optionally embodiment, the immersion processing includes the following steps：
(a) ox-hide leather is soaked in the solution comprising the first auxiliary agent and is stirred when impregnating；
Wherein, soaking bath ratio is 1:2-1:5, such as can be but be not limited to 1:2、1:3、1:4 or 1:5；Impregnate temperature
It is 30-70 DEG C to spend, such as can be but be not limited to 30 DEG C, 35 DEG C, 40 DEG C, 45 DEG C, 50 DEG C, 55 DEG C, 60 DEG C, 65 DEG C or 70
℃；Soaking time is 1-4h, such as can be but be not limited to 1h, 1.5h, 2h, 2.5h, 3h, 3.5h or 4h；Mixing speed
For 10-100r/min, for example, can be but be not limited to 10r/min, 15r/min, 20r/min, 25r/min, 25r/min,
30r/min, 40r/min, 50r/min, 60r/min, 70r/min, 80r/min or 90r/min.
(b) ox-hide leather is soaked in the solution comprising the second auxiliary agent and is stirred when impregnating；
Wherein, soaking temperature is 35-50 DEG C, such as can be but be not limited to 30 DEG C, 35 DEG C, 40 DEG C, 45 DEG C or 50
℃；Soaking time is 1-3h, such as can be but be not limited to 1h, 1.5h, 2h, 2.5h or 3h；Mixing speed is 10-
100r/min, for example, can be but be not limited to 10r/min, 15r/min, 20r/min, 25r/min, 25r/min, 30r/min,
40r/min, 50r/min, 60r/min, 70r/min, 80r/min or 90r/min.
(c) ox-hide leather is soaked in the solution comprising third auxiliary agent and is stirred when impregnating；
Wherein, soaking temperature be 35-70 DEG C, such as can be but be not limited to 30 DEG C, 35 DEG C, 40 DEG C, 45 DEG C, 50 DEG C,
55 DEG C, 60 DEG C, 65 DEG C or 70 DEG C；Soaking time is 1-3h, for example, can be but be not limited to 1h, 1.5h, 2h, 2.5h or
3h；Mixing speed is 10-100r/min, for example, can be but be not limited to 10r/min, 15r/min, 20r/min, 25r/min,
25r/min, 30r/min, 40r/min, 50r/min, 60r/min, 70r/min, 80r/min or 90r/min.In this embodiment party
Using the immersion treatment process of " a bath three-step approach " in formula, i.e., ox-hide leather is soaked in respectively successively comprising the first auxiliary agent, second
Soften expansion in the solution of auxiliary agent and third auxiliary agent, and the first auxiliary agent and the second auxiliary agent are preferably acid additive, side is stirred just
It impregnates, can effectively remove leather interstitial, collagenous fibres in loose leather ensure that expansion bating effect.
In one optionally embodiment, it is described stirring get rid of Soft Roll include by ox-hide leather be placed in turn to be stirred in pot get rid of it is soft
The step of, by ox-hide leather as turning can be kept stirring rotating speed in pot and whipping temp is balanced, while by changing transfer roller and pot
Rotating speed and regulation and control temperature of boiler, the swelling bating effect of leather can be greatly improved；Optionally, it is provided with stirring in described turn of pot
Stick；Preferably, the stirring rod is equipped with finger, can carry out a degree of tear to skin bit in pot, accelerate oozing for auxiliary agent
Thoroughly with the swelling of skin bit, improve ox-hide leather and get rid of soft effect.
In one optionally embodiment, the loosening processing includes first using the ox-hide of softening leather with needle cloth
Turn rod and beat the step of tearing, the ox leather drying of softening is then obtained into cattle-hide collagen fibers beam；
Preferably, the rod that turns with needle cloth is used to beat and tear 20-180min the leather of softening, such as can is but not
Be limited to 20min, 30min, 40min, 50min, 60min, 70min, 80min, 90min, 100min, 110min, 120min,
130min, 140min, 150min, 160min, 170min or 180min；
Preferably, it is described to turn rod rotating speed as 50-1000r/min with needle cloth, such as can be but be not limited to 50r/
min、55r/min、60r/min、70r/min、80r/min、100r/min、120r/min、150r/min、200r/min、250r/
Min, 300r/min, 500r/min, 800r/min or 1000r/min；
Preferably, the rod raising speed in velocity interval that turns with needle cloth rotates.Since the ox-hide of softening is removed from office just
Be placed in needle cloth when turning in rod also in larger volume state, therefore low speed can make ox-hide leather loosening more fully, solve
Ox pieces of leather is gradually loosening in the process of pine becomes cattle-hide collagen fibers beam, and the quantity of ox-hide block gradually decreases, therefore elevated band
The rotating speed for turning rod for having needle cloth can improve loosening efficiency, meanwhile, using make needle cloth turn rod in velocity interval raising speed rotate
Loosening mode can make the ox-hide block after softening loosening more abundant and improve loosening efficiency.
In one optionally embodiment, it will exist through loosening obtained cattle-hide collagen fibers beam drying to moisture content
30%-70%, the moisture content of cattle-hide collagen fibers beam for example can be but be not limited to 30%, 35%, 40%, 50%, 60%
Or 70%；Optionally, cattle-hide collagen fibers beam pressure is squeezed to target moisture content using squeezer.
In one optionally embodiment, the shredding processing includes the use of elastic material and hits the animal glue fibril
The step of cattle-hide collagen fibers being obtained after dimension beam 1-2h, such as can be but be not limited to hit the ox-hide using elastic material
Collagenous fiber bundle 1h, 1.2h, 1.5h, 1.8h or 2h can effectively prevent interrupting and damaging fiber using elastic material strike,
The damage to fiber under the strike of rigid material high-frequency is avoided, long stapled recovery rate and quality has been effectively ensured.
Preferably, the use of the striking frequency of elastic material strike cattle-hide collagen fibers beam is 50-2000 times/min, such as can
Think but be not limited to 50 times/min, 55 times/min, 60 times/min, 70 times/min, 80 times/min, 100 times/min, 120 times/
Min, 150 times/min, 200 times/min, 250 times/min, 300 times/min, 500 times/min, 800 times/min, 1000 times/min,
1200 times/min, 1400 times/min, 1600 times/min, 1800 times/min or 2000 time/min；Preferably, the elastic material
The striking frequency of strike cattle-hide collagen fibers beam gradually rises in frequency range, it is ensured that long stapled recovery rate and quality.
In one optionally embodiment, the raw material for preparing of cattle-hide collagen fibers includes the basically identical waste and old ox of thickness
Leather, and by ox-hide leather fritter is cut into before sofening treatment, optionally, by leather cutting into area be 100-400cm2Ox
Pieces of leather, such as can be but be not limited to 100cm2、150cm2、200cm2、250cm2、300cm2、350cm2Or 400cm2,
Ox-hide leather is cut to fritter can promote the softening expansion effect of ox pieces of leather.
In one optionally embodiment, the preparation method further includes will be through shredding treated cattle-hide collagen fibers
The step of cleaning separation；
Preferably, the cleaning separation is included in service sink cleans cattle-hide collagen fibers under conditions of 20-50 DEG C,
And the step of isolating impurity and pieces of leather simultaneously；
Preferably, the cleaning separation further includes the step that will remove the cattle-hide collagen fibers cleaning showers of impurity and pieces of leather
Suddenly.
In one optionally embodiment, the preparation method further includes cattle-hide collagen fibers are whole using finishing agent
Then the step of processing is handled with secondary shredding is dried in cattle-hide collagen fibers after arrangement by reason；Pass through the whole of finishing agent
Reason can improve the product quality of cattle-hide collagen fibers or assign cattle-hide collagen fibers additional function；The finishing agent for example may be used
Think but be not limited to leavening agent, one or more of softening agent, smooth agent and antistatic agent；Preferably, the arrangement
The concentration range of agent is 1%-5%, such as can be but be not limited to 1%, 1.5%, 2%, 3%, 4% or 5%.
Preferably, described be dried includes first drying cattle-hide collagen fibers through rolling drying machine, then in 50-80 DEG C of item
Dry step under part, such as can be but be not limited at 50 DEG C, 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C or 80 DEG C
Under the conditions of dry cattle-hide collagen fibers.
The present invention provides the cattle-hide collagen fibers that a kind of above-mentioned preparation method is prepared；
Preferably, the fibre length of the cattle-hide collagen fibers is 30-60mm, fineness 1.5-3.0dtex, and crystallinity is
25-35%, degree of orientation 50-70%, fracture strength 8-15cN/dtex, elongation at break 20-30%.The ox-hide collagen
Fiber has beneficial physical property, reaches textile garment raw materials requirement, has high added value.
The application of above-mentioned cattle-hide collagen fibers provided by the invention, can be applied to prepare has antibacterial deodourizing, hydroscopic fast-drying,
Heat-insulation breathable and fire-retardant multiple functions material, cattle-hide collagen fibers contain the natural antibacterial factor, can restraining and sterilizing bacteria, can press down
Staphylococcus aureus processed, Escherichia coli and Candida albicans have prominent anti-bacterial anti-foul function；The mark of cattle-hide collagen fibers
Quasi- regain is up to 22%, is 2-3 times of general natural fiber, has remarkable hydroscopic fast-drying characteristic, far extraordinary to see natural fibre
Dimension；The special multi-dimentional scale construction feature of cattle-hide collagen fibers, makes it have prominent heat-insulation breathable performance；Cattle-hide collagen fibers
The limit oxygen index of burning is up to 25%, is best natural fire resistance fibre；Cattle-hide collagen fibers also there is excellent green to support
Raw characteristic.The 70-80% of application on human skin dry weight is Type I collagen albumen, and cattle-hide collagen fibers are as a kind of natural Type I collagen albumen
Fiber has natural affinity with the skin of people, and comfortable docile is safe and healthy, is a Green health-preserving health fiber.
Cattle-hide collagen fibers provided by the invention can prepare a variety of textile products, such as non-woven fabrics, ox-hide leather base cloth and use
In the textile fabric of clothing, other textile materials such as electrostatic spinning material and fibrefill can be also prepared.
The advantageous effect further illustrated the present invention with reference to preferred embodiment.
Embodiment 1- embodiments 41
Embodiment 1- embodiments 41 provide a kind of preparation method of cattle-hide collagen fibers, and the preparation method includes as follows
Step：
The basically identical waste and old ox-hide leather of thickness is chosen to cut ox-hide leather according to the technological parameter that table 2 provides, it will
The ox-hide leather cut is stirred while soaking and handling to be got rid of soft, and the mode and technological parameter for processing of soaking are as shown in table 1,
The formula of auxiliary agent is as shown in table 3, wherein, table 3 is represented in every 100 parts of water, adds the parts by weight of the component of each auxiliary agent；
The preparation method heifer leather that embodiment 33 provides is stirred by the way of turbine stirring, remaining embodiment is all being set
Be equipped with the stirring rod with finger turns stirring in pot, and the ox-hide leather that softening has expanded then is carried out loosening-shredding-cleaning point
The step of from-arrangement-drying-secondary shredding；
The ox-hide that expand will first be softened to remove from office in turning to beat in rod to tear and be placed on squeezer and squeeze to mesh with needle cloth
Moisture content is marked, obtains cattle-hide collagen fibers beam, then hits cattle-hide collagen fibers beam using elastic material.The present embodiment uses rubber
Glue hits cattle-hide collagen fibers beam, the cattle-hide collagen fibers disperseed, then the animal glue fibril by dispersion as elastic material
Dimension is cleaned in service sink and is detached with impurity and small pieces of leather, then will go deimpurity cattle-hide collagen fibers using spray
Leaching cleaning after mass concentration be 1.5% leavening agent F and mass concentration be 2.5% softening agent M under conditions of arranged,
The mechanical performance for the cattle-hide collagen fibers that the present embodiment is prepared for more different embodiments, therefore use identical arrangement side
Formula, but this cannot represent preparation method provided by the invention and be only limited to a kind of this Collator Mode, and the present invention does not limit finishing agent
Usage type, meet production needs；Then it is the cattle-hide collagen fibers arranged are dry after rolling drying machine dries, it will be dry
Cattle-hide collagen fibers after dry carry out secondary shredding again, you can obtain finished product cattle-hide collagen fibers；Wherein loosening-shredding-cleaning
The technological parameter of separation-drying is as shown in table 2；
The immersion processing mode and technological parameter for the preparation method that 1 embodiment of table provides
Table 2 is cut and loosening-shredding-cleaning detaches-technological parameter dried
The formula of 3 auxiliary agent of table
Comparative example 1- comparative examples 24
Comparative example 1- comparative examples 24 provide a kind of preparation method of cattle-hide collagen fibers, and selection thickness is basically identical to give up
Old ox-hide leather cuts into about 225cm2Ox pieces of leather, then by the ox leather soaking cut processing, the mode for processing of soaking and
Technological parameter is as shown in table 4, wherein, while the processing of the ox leather soaking of comparative example 1-8 stirring get rid of soft, the mode of stirring is the same as real
Example 1 is applied, the ox leather soaking of comparative example 9-24 does not stir when handling；Then the ox-hide softened is removed from office and carries out loosening-shredding-clear
Wash separation-arrangement-drying, the technological parameter of the loosening-shredding-cleaning separation-arrangement-drying of comparative example with embodiment 1, but with reality
The difference of example 1 is applied, comparative example 1-8 and comparative example 17-24 hit cattle-hide collagen fibers when shredding is handled, using rigid material
The cattle-hide collagen fibers that beam is disperseed.
The immersion processing mode and technological parameter of 4 comparative example of table
Effect example
The performance parameter of cattle-hide collagen fibers that the preparation method that detection embodiment and comparative example provides is prepared, uses
Differential scanning calorimetry and Birefringence Method detect the crystallinity and the degree of orientation of cattle-hide collagen fibers respectively, long using roller type fiber
It spends analyzer and measures fibre length；Using XD-1 fiber type fineness instrument, detected using the method that GB/T01628-2008 is provided fine
Tie up fineness；Using XQ-2 fiber type strength and elongation instrument, the fracture strength of method detection fiber provided using GB/T14337-2008
And elongation at break；Fiber row yielding is manufactured cattle-hide collagen fibers and the weight ratio of raw material ox-hide block.Wherein, embodiment and
The crystallinity range of cattle-hide collagen fibers that the preparation method that comparative example provides is prepared is 30 ± 5%, and the degree of orientation is ranging from
60 ± 10%；Wherein fibre length, fibre fineness, the fracture strength of fiber, fibrous fracture elongation and fiber row yielding such as table 5
It is shown：
5 cattle-hide collagen fibers performance parameter of table
As can be seen from the above table：The cattle-hide collagen fibers that the preparation method that embodiment provides is prepared are better than comparative example,
It is longer to be mainly reflected in the cattle-hide collagen fibers length that the preparation method that embodiment provides is prepared, can reach 30-60mm, and
And fiber row yielding is also superior to the method that comparative example provides；
Wherein, it can be seen that from the comparison of comparative example and embodiment and immersion processing carried out to ox-hide leather while stirring, it can be with
The step of making the softening expansion effect that ox-hide is removed from office more preferable, being conducive to subsequent loosening and shredding, so as to improve yield；
Also, it is compared from embodiment and comparative example it can also be seen that using elastic material strike cattle-hide collagen fibers Shu You
In using rigid material, use cattle-hide collagen fibers made from rigid material shorter in shredding step, because rigid fiber is to ox
The injury of leather is larger, not only reduces the length of finished product cattle-hide collagen fibers, also reduces the object of finished product cattle-hide collagen fibers
Rationality energy, for example, the fracture strength of finished product cattle-hide collagen fibers and elongation at break it is relatively low；
Compared by embodiment 13, embodiment 15, embodiment 20, embodiment 21 and embodiment 25 and other embodiment it is found that
It is better than during immersion processing using acid additive using alkaline assistant, alkaline assistant can destroy the collagen egg in cattle-hide collagen fibers
In vain, it is unfavorable for making finished product cattle-hide collagen fibers that there is excellent physical property；
By embodiment 24- embodiments 26 compare it can be seen from soak processing when use " one bath three-step approach " segmentation to ox-hide
The technological effect that leather carries out softening expansion is better than only being removed from office with one-step method softening expansion ox-hide；
The finger set in stirring rod when passing through stirring it can be seen from embodiment 33 and other embodiment comparison tears ox
Leather contributes to ox-hide leather fully to soften expansion when soaking and handling, and improves follow-up loosening and shredding step efficiency, and have
Good physical property is obtained conducive to finished product cattle-hide collagen fibers；
To sum up, the preparation method of cattle-hide collagen fibers provided by the invention, the superior cattle-hide collagen fibers of availability；
And the cattle-hide collagen fibers being prepared using this method, physical property is good, suitable for the quality requirement of clothing weaving.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of preparation method of cattle-hide collagen fibers, which is characterized in that the preparation method includes first will be at ox bating
Reason, then the loosening processing of ox-hide leather of softening is obtained into cattle-hide collagen fibers beam, then cattle-hide collagen fibers beam is handled through shredding
After the step of obtaining cattle-hide collagen fibers；
The sofening treatment, which includes stirring ox-hide leather while soaking and handling, gets rid of soft step；
The shredding processing includes the use of the step of elastic material beats cattle-hide collagen fibers beam.
2. preparation method according to claim 1, which is characterized in that the immersion processing includes successively impregnating ox-hide leather
The step of softening in the solution comprising the first auxiliary agent, the second auxiliary agent and third auxiliary agent；
First auxiliary agent includes bleeding agent, protease, pH adjusting agent and salt；
Preferably, first auxiliary agent is counted in parts by weight comprising 3-6 parts of bleeding agent, 5-15 parts of protease, 4-8 parts of pH adjusting agent
With 1-5 parts of salt；
Second auxiliary agent includes protease and pH adjusting agent；
Preferably, second auxiliary agent is counted in parts by weight comprising 8-15 parts of -15 parts of proteinase 8 and pH adjusting agent；
The third auxiliary agent includes softening agent and leavening agent；
Preferably, the third auxiliary agent is counted in parts by weight comprising 5-10 parts of 5-10 parts of softening agent and leavening agent；
Preferably, the protease is preferably papain；
Preferably, the pH adjusting agent is preferably organic monoacid；
It is further preferred that the organic monoacid includes one or more of formic acid, acetic acid, oxalic acid and citric acid.
3. preparation method according to claim 2, which is characterized in that be soaked in by ox-hide leather comprising the molten of the first auxiliary agent
In step in liquid, soaking bath ratio is 1:2-1:5, soaking temperature is 30-70 DEG C, soaking time 1-4h, mixing speed 10-
100r/min；
And/or in the step that ox-hide leather is soaked in the solution comprising the second auxiliary agent, soaking temperature is 35-50 DEG C, is impregnated
Time is 1-3h, mixing speed 10-100r/min；
And/or in the step that ox-hide leather is soaked in the solution comprising third auxiliary agent, soaking temperature is 35-70 DEG C, is impregnated
Time is 1-3h, mixing speed 10-100r/min.
4. preparation method according to claim 1, which is characterized in that the stirring, which gets rid of Soft Roll and includes ox-hide leather being placed in, turns pot
Soft step is got rid of in middle stirring；
Preferably, it is provided with stirring rod in described turn of pot；
It is further preferred that it is provided with finger in the stirring rod.
5. preparation method according to claim 1, which is characterized in that the loosening processing includes making the ox-hide leather of softening
With with needle cloth turn rod beat tear after dry to obtain cattle-hide collagen fibers beam the step of；
Preferably, the rod that turns with needle cloth is used to beat and tear 20-180min the leather of softening；
Preferably, it is described to turn rod rotating speed as 50-1000r/min with needle cloth；
Preferably, the rod raising speed in velocity interval that turns with needle cloth rotates；
Preferably, the moisture content of the cattle-hide collagen fibers beam is 30%-70%.
6. preparation method according to claim 1, which is characterized in that the shredding processing includes the use of elastic material strike
The step of cattle-hide collagen fibers being obtained after the cattle-hide collagen fibers beam 1-2h；
Preferably, the striking frequency of elastic material strike cattle-hide collagen fibers beam is 50-2000 times/min；
Preferably, the striking frequency of elastic material strike cattle-hide collagen fibers beam gradually rises in frequency range.
7. preparation method according to claim 1, which is characterized in that the preparation method further includes will be after shredding be handled
Cattle-hide collagen fibers cleaning separation the step of；
Preferably, the cleaning separation includes cleaning cattle-hide collagen fibers, and detach impurity removal simultaneously under conditions of 20-50 DEG C
The step of matter and pieces of leather；
Preferably, the step of cleaning separation further includes the cattle-hide collagen fibers cleaning showers that will remove impurity and pieces of leather.
8. preparation method according to claim 1, which is characterized in that the preparation method is further included cattle-hide collagen fibers
The step of being arranged using finishing agent, then processing and secondary shredding processing be dried in the cattle-hide collagen fibers after arrangement；
Preferably, the finishing agent includes one or more in leavening agent, softening agent, smooth agent and antistatic agent；
Preferably, a concentration of 1%-5% of the finishing agent；
Preferably, described be dried includes first drying cattle-hide collagen fibers through rolling drying machine, then under conditions of 50-80 DEG C
Dry step.
9. a kind of cattle-hide collagen fibers that preparation method using as described in any one of claim 1-8 is prepared；
Preferably, the fibre length of the cattle-hide collagen fibers is 30-60mm, fineness 1.5-3.0dtex, crystallinity 25-
35%, degree of orientation 50-70%, fracture strength 8-15cN/dtex, elongation at break 20-30%.
10. cattle-hide collagen fibers as claimed in claim 9 are preparing antibacterial deodourizing, hydroscopic fast-drying, heat-insulation breathable or fire-retardant
Application in material.
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| CN111455516A (en) * | 2019-05-27 | 2020-07-28 | 广东五源新材料科技集团有限公司 | Animal leather fiber bundle with nanoscale branches, yarn, core-spun yarn and product |
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| CN108251905B (en) | 2019-05-28 |
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