CN108251905B - 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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- CN108251905B CN108251905B CN201810056895.9A CN201810056895A CN108251905B CN 108251905 B CN108251905 B CN 108251905B CN 201810056895 A CN201810056895 A CN 201810056895A CN 108251905 B CN108251905 B CN 108251905B
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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 treatment fluid in stirring and reach optimal expansion bating effect, 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 there is antibacterial deodourizing, hydroscopic fast-drying, heat-insulation breathable, it is natural fire-retardant, the functions such as pro-skin health, solves the technical issues of a kind of method existing in the prior art for lacking cattle-hide collagen fibers for producing high quality.
Description
Technical field
The present invention relates to textile technology fields, preparation method more particularly, to a kind of cattle-hide collagen fibers and its obtained
Cattle-hide collagen fibers and application.
Background technique
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 include cow leather collagen fiber, have brilliant 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, breaking strength, elongation at break, 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.
Swelling sofening treatment first is carried out to leather mostly in the method for prior art preparation cattle-hide collagen fibers, 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, it is bad to will lead to leather infiltration bating effect, fills subsequent using fibrillation
Biggish damage easily is caused to fiber when setting.
In addition, 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 of power is hit, and fibre damage is excessive, and fibrillation rate is not high, causes cattle-hide collagen fibers length 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 from making full use of, and cause product additional
It is worth 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
Measuring cattle-hide collagen fibers is market needs.
In view of this, the present invention is specifically proposed.
Summary of the invention
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 existing 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 and existing in the prior art lacks a kind of multifunctional natural fibrous raw material
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 that ox-hide is first 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 is then obtained ox-hide after shredding is handled
The step of collagenous fibres；
The sofening treatment include the steps that by ox-hide remove from office soak processing while stirring get rid of it is soft；
The shredding processing includes the steps that beating cattle-hide collagen fibers beam using elastic material.
Further, immersion processing includes successively being soaked in ox-hide leather 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 includes 3-6 parts of bleeding agent, 5-15 parts of protease, pH adjusting agent according to parts by weight
4-8 parts and salt 1-5 parts；
Second auxiliary agent includes protease and pH adjusting agent；
Preferably, second auxiliary agent includes -15 parts and pH adjusting agent 8-15 parts of proteinase 8 according to parts by weight；
The third auxiliary agent includes softening agent and leavening agent；
Preferably, the third auxiliary agent includes 5-10 parts and leavening agent 5-10 parts of softening agent according to parts by weight；
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 for ox-hide leather to be placed in and turns in pot stirring and get rid of soft step；
Preferably, stirring rod is provided in described turn of pot；
It is further preferred that being 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, the rod revolving speed that turns with needle cloth is 50-1000r/min；
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 includes obtaining after hitting the cattle-hide collagen fibers beam 1-2h using elastic material
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 further includes that isolated step will be cleaned through shredding treated cattle-hide collagen fibers
Suddenly；
Preferably, the cleaning separation includes cleaning cattle-hide collagen fibers under conditions of 20-50 DEG C, and separate simultaneously
Impurity and the step of pieces of leather out；
Preferably, the cleaning separation further includes that will remove the step of the cattle-hide collagen fibers spray cleaning of impurity and pieces of leather
Suddenly.
Further, the preparation method further includes arranging cattle-hide collagen fibers using finishing agent, then will be after arrangement
The step of with secondary shredding processing is dried in cattle-hide collagen fibers；
Preferably, the finishing agent includes one of leavening agent, softening agent, smooth agent and antistatic agent or a variety of；
Preferably, the concentration of the finishing agent is 1%-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.
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%, breaking 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 invention has the following beneficial effects:
The preparation method of cattle-hide collagen fibers provided by the invention, including ox-hide is first removed from office into 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 is then obtained ox-hide after shredding is handled
The step of collagenous fibres, wherein the sofening treatment includes being stirred ox-hide leather while soaking processing to get rid of supple-settlement
The step of；The shredding processing includes the steps that beating cattle-hide collagen fibers beam using elastic material.This method is stirred using side
The technical solution for mixing side softening ensure that ox-hide leather can fully absorb treatment fluid in stirring, guarantee optimal 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, making this method that cattle-hide collagen fibers be made 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 anti-bacterial anti-foul function outstanding；Cattle-hide collagen fibers
Regain is up to 22%, is 2-3 times of general natural fiber, has brilliant 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 heat-insulation breathable performance outstanding；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 solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.It should be noted that such as there is term " first ", " second ", " third " are used for description purposes only, and should not be understood as indicating
Or imply relative importance.
The present invention provides a kind of preparation method of cattle-hide collagen fibers, the preparation method includes 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 the sofening treatment includes that stirring is got rid of while soaking processing by ox-hide leather
Soft step；The shredding processing includes the steps that beating cattle-hide collagen fibers beam using elastic material.Made from this method
The fiber row yielding of cattle-hide collagen fibers is up to 60%~90%, has excellent physical mechanical property, and have 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 is reached by improving the auxiliary formula that softening uses preferably softens expansion effect, 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, guarantees
Ox-hide leather can fully absorb treatment fluid in stirring, guarantee optimal expansion bating effect, reduce defibering in later process
Physical damnification and pressure.
Shredding processing includes using 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 is damaged to cattle-hide collagen fibers
Greatly, the present invention uses elastic material shredding cattle-hide collagen fibers, interrupts and damage fiber when strike ox-hide leather can be effectively prevented,
It ensure that long stapled recovery rate and quality.
In one optionally embodiment, the immersion processing includes successively being soaked in ox-hide leather to help 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 includes 3-6 parts of bleeding agent, protease according to parts by weight
5-15 parts, 4-8 parts of pH adjusting agent and 1-5 parts of 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 includes following component according to parts by weight: 3-6 parts of bleeding agent, such as 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, 12 parts or 15 parts, preferably 10 parts；4-8 parts of acetic acid, such as can be but be not limited to 4 parts, 5
Part, 7 parts or 8 parts, preferably 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 includes -15 parts of proteinase 8 and pH tune according to parts by weight
Agent 8-15 parts of section；
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 includes following component according to parts by weight: -12 parts of proteinase 8, such as 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, 14 parts or 15 parts, preferably 12 parts；By further optimizing the second auxiliary agent
The bating effect of ox-hide leather can be improved in component proportion.
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 includes 5-10 parts of softening agent and fluffy according to parts by weight
5-10 parts of agent, wherein leavening agent is 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, 9 parts or 10 parts, preferably 7 parts；Optionally, the leavening agent for example can be but be not limited to 5 parts, 6
Part, 7 parts, 8 parts, 9 parts or 10 parts, preferably 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
Degree is 30-70 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
℃；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 successively soaked in and separately includes 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, leather interstitial can be effectively removed, 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 revolving speed in pot and whipping temp is balanced, while by changing transfer roller and pot body
Revolving speed and regulation temperature of boiler, the swelling bating effect of leather can be greatly improved；Optionally, stirring is provided in described turn of pot
Stick；Preferably, the stirring rod is equipped with finger, can carry out a degree of tearing to skin bit in pot body, accelerate the infiltration of auxiliary agent
Thoroughly with the swelling of skin bit, improves ox-hide leather and get rid of soft effect.
In one optionally embodiment, the loosening processing includes first using the ox-hide leather of softening with needle cloth
Turn rod and beats the step of tearing, the ox leather drying of softening is then obtained into cattle-hide collagen fibers beam；
Preferably, it uses the rod that turns with needle cloth to beat and tear 20-180min the leather of softening, such as can be but not
Be limited to for 20min, 30min, 40min, 50min, 60min, 70min, 80min, 90min, 100min, 110min, 120min,
130min, 140min, 150min, 160min, 170min or 180min；
Preferably, the rod revolving speed that turns with needle cloth is 50-1000r/min, 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
It is placed in needle cloth when turning in rod also in biggish volume state, therefore low speed can make ox-hide leather loosening more sufficiently, 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
Have the revolving speed for turning rod of needle cloth that loosening efficiency can be improved, meanwhile, using make needle cloth turn rod in velocity interval raising speed rotate
Loosening mode, the ox-hide block after can making softening is loosening more abundant and improves 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 hitting the animal glue fibril using elastic material
The step of obtaining cattle-hide collagen fibers 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 be effectively prevented using elastic material strike and interrupt and damage fiber,
The damage under the strike of rigid material high-frequency to fiber is avoided, long stapled recovery rate and quality has been effectively ensured.
It 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 almost the same waste and old ox of thickness
Leather, and by ox-hide leather fritter is cut into before sofening treatment, optionally, by leather cutting at 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, which 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 that will remove the step of the cattle-hide collagen fibers spray cleaning of impurity and pieces of leather
Suddenly.
In one optionally embodiment, the preparation method further includes that cattle-hide collagen fibers are whole using finishing agent
Then the step of handling with secondary shredding is dried in cattle-hide collagen fibers after arrangement by reason；Pass through the whole of finishing agent
Reason can be improved 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 one or more of leavening agent, 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 a kind of cattle-hide collagen fibers that 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%, breaking 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, Escherichia coli and Candida albicans processed have anti-bacterial anti-foul function outstanding；The mark of cattle-hide collagen fibers
Quasi- regain is up to 22%, is 2-3 times of general natural fiber, has brilliant 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 heat-insulation breathable performance outstanding；Cattle-hide collagen fibers
The limit oxygen index of burning is up to 25%, is best natural fire resistance fibre；Also there is cattle-hide collagen fibers 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 also be prepared.
Beneficial effects of the present invention are further illustrated below with reference to preferred embodiment.
Embodiment 1- embodiment 41
Embodiment 1- embodiment 41 provides a kind of preparation method of cattle-hide collagen fibers, and the preparation method includes as follows
Step:
The technological parameter that the almost the same waste and old ox-hide leather of thickness is provided according to table 2 is chosen to cut ox-hide leather, it will
The ox-hide leather cut is stirred while soaking processing 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 indicates to add the parts by weight of the component of each auxiliary agent in every 100 parts of water；
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 for then having expanded softening carries out loosening-shredding-cleaning point
The step of shredding secondary from-arrangement-drying-；
First the ox-hide that expand of softening is removed from office and is having turning to beat in rod to tear and being placed on squeezer and squeeze to mesh for needle cloth
Moisture content is marked, cattle-hide collagen fibers beam is obtained, then hits cattle-hide collagen fibers beam using elastic material.The present embodiment uses rubber
Glue hits cattle-hide collagen fibers beam as elastic material, the cattle-hide collagen fibers dispersed, then by the animal glue fibril of dispersion
Dimension is cleaned in service sink and is separated with impurity and small pieces of leather, and deimpurity cattle-hide collagen fibers then will be gone using spray
It is arranged under conditions of the softening agent M that the leavening agent F and mass concentration that mass concentration is 1.5% are 2.5% after leaching cleaning,
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 need；Then the cattle-hide collagen fibers arranged are dry after rolling drying machine dries, it will do
Cattle-hide collagen fibers after dry carry out secondary shredding again, and finished product cattle-hide collagen fibers can be obtained；Wherein loosening-shredding-cleaning
Separation-drying technological parameter 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 separates-technological parameter dried
The formula of 3 auxiliary agent of table
Comparative example 1- comparative example 24
Comparative example 1- comparative example 24 provides a kind of preparation method of cattle-hide collagen fibers, and selection thickness is almost the same 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 stirring is got rid of soft while the ox leather soaking processing of comparative example 1-8, and 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-clearly
Wash separation-arrangement-drying, the loosening-shredding-cleaning separation-arrangement-drying technological parameter of comparative example with embodiment 1, but with reality
The difference of example 1, comparative example 1-8 and comparative example 17-24 are applied when shredding is handled, hits cattle-hide collagen fibers using rigid material
The cattle-hide collagen fibers that beam is dispersed.
The immersion processing mode and technological parameter of 4 comparative example of table
Effect example
The performance parameter for the 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, using the breaking strength of the GB/T14337-2008 method detection fiber provided
And elongation at break；Fiber row yielding is the weight ratio of manufactured cattle-hide collagen fibers and raw material ox-hide block.Wherein, embodiment and
The crystallinity range for the cattle-hide collagen fibers that the preparation method that comparative example provides is prepared is 30 ± 5%, and degree of orientation range is
60 ± 10%；Wherein fibre length, fibre fineness, the breaking 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 softening expansion effect for removing from office ox-hide is more preferable, is conducive to subsequent loosening and shredding, to improve yield；
Also, it is compared from embodiment and comparative example it can also be seen that hitting cattle-hide collagen fibers Shu You using elastic material
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, such as the breaking strength and elongation at break of finished product cattle-hide collagen fibers are lower；
Compared by embodiment 13, embodiment 15, embodiment 20, embodiment 21 and embodiment 25 and other embodiments it is found that
It is better than using alkaline assistant using acid additive when immersion processing, alkaline assistant can destroy the collagen egg in cattle-hide collagen fibers
It is white, it is unfavorable for making finished product cattle-hide collagen fibers that there is excellent physical property；
It soaks it can be seen from the comparison of embodiment 24- embodiment 26 and uses " a bath three-step approach " segmentation to ox-hide when handling
Leather carries out the technological effect of softening expansion better than only with one-step method softening expansion ox-hide leather；
The finger being arranged in stirring rod when passing through stirring it can be seen from embodiment 33 and other embodiments comparison tears ox
Leather facilitates ox-hide leather and sufficiently softens expansion when soaking processing, improves subsequent 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, the quality requirement suitable for 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 present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (23)
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 is that ox-hide leather is successively soaked in the solution comprising the first auxiliary agent, the second auxiliary agent and third auxiliary agent,
And impregnate while stirring get rid of it is soft；First auxiliary agent is according to parts by weight by 3-6 parts of bleeding agent, papain 5-15
Part, 4-8 parts of pH adjusting agent and 1-5 parts of salt compositions；Second auxiliary agent is according to parts by weight by 8-15 parts of papain and pH
8-15 parts of regulator compositions；The third auxiliary agent is formed by 5-10 parts and leavening agent 5-10 parts of softening agent according to parts by weight；
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, and soaking temperature is
30-70 DEG C, soaking time 1-4h, mixing speed 10-100r/min；
In the step that ox-hide leather is soaked in the solution comprising the second auxiliary agent, soaking temperature is 35-50 DEG C, and soaking time is
1-3h, mixing speed 10-100r/min；
In the step that ox-hide leather is soaked in the solution comprising third auxiliary agent, soaking temperature is 35-70 DEG C, and soaking time is
1-3h, mixing speed 10-100r/min；
The shredding processing is to be beaten cattle-hide collagen fibers beam using elastic material.
2. preparation method according to claim 1, which is characterized in that the pH adjusting agent is organic monoacid.
3. preparation method according to claim 1, which is characterized in that the stirring, which gets rid of Soft Roll and includes for ox-hide leather to be placed in, turns pot
Soft step is got rid of in middle stirring.
4. preparation method according to claim 3, which is characterized in that be provided with stirring rod in described turn of pot.
5. the preparation method according to claim 4, which is characterized in that be provided with finger in the stirring rod.
6. 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.
7. preparation method according to claim 6, which is characterized in that use the rod that turns with needle cloth to fall the leather of softening
It beats and tears 20-180min.
8. preparation method according to claim 6, which is characterized in that the rod revolving speed that turns with needle cloth is 50-
1000r/min。
9. preparation method according to claim 8, which is characterized in that the rod that turns with needle cloth rises in velocity interval
Speed rotation.
10. preparation method according to claim 6, which is characterized in that the moisture content of the cattle-hide collagen fibers beam is
30%-70%.
11. preparation method according to claim 1, which is characterized in that the shredding processing is to be hit using elastic material
Cattle-hide collagen fibers are obtained after the cattle-hide collagen fibers beam 1-2h.
12. preparation method according to claim 11, which is characterized in that elastic material strike cattle-hide collagen fibers beam is beaten
Hitting frequency is 50-2000 times/min.
13. preparation method according to claim 12, which is characterized in that elastic material strike cattle-hide collagen fibers beam is beaten
Frequency is hit to gradually rise in frequency range.
14. preparation method according to claim 1, which is characterized in that the preparation method further includes that will handle through shredding
Cattle-hide collagen fibers afterwards clean the step of separation.
15. preparation method according to claim 14, which is characterized in that the cleaning separation includes by cattle-hide collagen fibers
It is cleaned under conditions of 20-50 DEG C, and the step of isolating impurity and pieces of leather simultaneously.
16. preparation method according to claim 15, which is characterized in that cleaning separation further include will remove impurity with
The cattle-hide collagen fibers of pieces of leather spray the step of cleaning.
17. preparation method according to claim 1, which is characterized in that the preparation method further includes by animal glue fibril
Dimension is arranged using finishing agent, then the step of handling with secondary shredding is dried in the cattle-hide collagen fibers after arrangement.
18. preparation method according to claim 17, which is characterized in that the finishing agent includes leavening agent, softening agent, puts down
One of lubrication prescription and antistatic agent are a variety of.
19. preparation method according to claim 17, which is characterized in that the concentration of the finishing agent is 1%-5%.
20. preparation method according to claim 17, which is characterized in that described be dried includes first by animal glue fibril
Dimension is dried through rolling drying machine, then step dry under conditions of 50-80 DEG C.
21. a kind of cattle-hide collagen fibers that the preparation method using as described in any one of claim 1-20 is prepared.
22. cattle-hide collagen fibers according to claim 21, which is characterized in that the fibre length of the cattle-hide collagen fibers
For 30-60mm, fineness 1.5-3.0dtex, crystallinity 25-35%, degree of orientation 50-70%, breaking strength 8-15cN/
Dtex, elongation at break 20-30%.
23. cattle-hide collagen fibers as described in claim 21 or 22 are preparing antibacterial deodourizing, hydroscopic fast-drying, heat-insulation breathable or
Application in fire proofing.
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