CN106995958B - A kind of hemp, cotton blended knitted yarn preparation method - Google Patents
A kind of hemp, cotton blended knitted yarn preparation method Download PDFInfo
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- CN106995958B CN106995958B CN201710172553.9A CN201710172553A CN106995958B CN 106995958 B CN106995958 B CN 106995958B CN 201710172553 A CN201710172553 A CN 201710172553A CN 106995958 B CN106995958 B CN 106995958B
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/042—Blended or other yarns or threads containing components made from different materials all components being made from natural material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C1/00—Treatment of vegetable material
- D01C1/02—Treatment of vegetable material by chemical methods to obtain bast fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C1/00—Treatment of vegetable material
- D01C1/04—Bacteriological retting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B9/00—Solvent-treatment of textile materials
- D06B9/02—Solvent-treatment of textile materials solvent-dyeing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
- D06P1/65118—Compounds containing hydroxyl groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
Abstract
The present invention provides a kind of hemp, the preparation method of cotton blended knitted yarn, after including the following steps: that (1) cleans hemp, it is placed in kiering in boiling water；(2) by the hemp through high temperature scouring through Na2S2O3After aqueous solution electrolysis is handled 10-20 minutes, stop electrolysis, after electrolyte is heated to 70-80 DEG C, heat preservation 10-20 minutes, takes out hemp, rinse well stand-by；(3) hemp through electrolysis processing is added in composite enzyme solution and is digested；(4) after long-staple cotton and hemp being distinguished cotton carding, then by the two drafting, hemp, cotton blended knitted yarn is made through rove, spun yarn, dyeing and finishing and winding procedure.The present invention is first handled hemp degumming, then prepares hemp pure cotton knitting yarn with long wool cotton blend, and gained stocking yarn has the advantages that environmentally protective, degumming appropriateness, fiber spinnability height, even dyeing, fixing degree are high.
Description
Technical field
The invention belongs to textile technology fields, and in particular to a kind of hemp, cotton blended knitted yarn preparation method.
Background technique
Hemp system Moraceae category annual herb plant, scientific name cannabis Salival, popular name Chinese fiber crops, cold fiber crops, hemp, flower
Fiber crops etc., Hemp Varieties are up to 150 or so, are mainly distributed on Asia, Europe, and China is Asia hemp production center, cultivate face
Long-pending and yield occupies first place in the world, and the place of production is throughout the country, but predominantly Yellow River basin, and the Tai'an in Shandong, the Huating in Gansu all have
The hemp producing region of name, is the major economic crops of this area.To the of less demanding of weather and soil, it grows fast for hemp plantation
Speed, insect pest ability is strong, and insecticide and fertilizer are not necessarily to during plantation, not will cause land pollution, and environmental ecology is good,
And plantation harvest time is shorter, often 0.07 hectare can harvest two to the hemp for being three times in cotton.From last century the eighties with
Come, with the rise of natural fiber heat, bast fiber fabrics with its excellent hygroscopicity, thermal diffusivity and good dress ornament feature gradually
Recognized by people, and is more and more favored.Hemp is same as the fabric after other fiber blends to have well-pressed, matter
Ground is carefully thin, and feel is smooth, and dress is cool, and sucting wet air permeability is good, and conformality is good, fibre antibacterial and antistatic effect are strong, right in addition
The features such as absorption property of dyestuff is good, ultraviolet radiation preventing ability is strong, the deep welcome by domestic and international consumer, raw material are production
One of primary raw material of summer clothes.
What is directly stripped down from big anesthesia stem is known as raw ramie, also contains in addition to containing cellulose components in raw ramie certain
The non-cellulose components of amount, including lignin, hemicellulose, cerolipoid, pectin and part aqueous object and ash content etc..If making raw ramie
With spinnability, it is necessary to these non-cellulose components be removed, degummed ramie, i.e. degumming are obtained.Lignin and half in hemp
The content height of cellulose directly affects the fiber quality after degumming difficulty and degumming.
Lignin is high to the stability of inorganic acid in hemp, therefore pickling is undesirable to the removal effect of lignin, and wooden
The presence of quality is affected to quality of textile products.In the prior art frequently with sulfite solution kiering, lignin is removed,
But effect is also not satisfactory, it usually needs soda boiling auxiliary enhancing degumming effect.Chemical Degumming will consume a large amount of chemical industry simultaneously
Raw material and energy, high production cost contain harmful chemical component in treated sewage, easily pollution environment, and handle the time
It is long, it is not easily recycled.
Summary of the invention
It is united using electrochemistry-biological enzymolysis the present invention provides a kind of hemp, the preparation method of cotton blended knitted yarn
Method carries out degumming process to hemp, then prepares hemp pure cotton knitting yarn with long wool cotton blend, and gained stocking yarn has green ring
The high advantage of guarantor, degumming appropriateness, fiber spinnability height, even dyeing, fixing degree.
The technical proposal for solving the technical problem of the invention are as follows:
A kind of hemp, cotton blended knitted yarn preparation method, the preparation method includes the following steps:
(1) it high temperature scouring: after hemp is cleaned, is placed in boiling water after kiering 20-40 minutes, takes out, rushed using tap water
Wash clean.Hemp individual fiber cells interweave under the bonding of intercellular layer substance to be reticulated, and first makes hemp by high temperature scouring
The reticular structure degree of cross linking reduces, and is conducive to small molecule and enters in reticular structure.
(2) it is electrolysed: the hemp through high temperature scouring is added in electrolytic cell, after room temperature electrolysis processing 10-20 minutes, close electricity
Power supply is solved, after electrolyte is heated to 70-80 DEG C, heat preservation 10-20 minutes, hemp is taken out, is placed in tap water and impregnates half an hour
Afterwards, it then rinses well stand-by；The electrolyte is 15-20w%Na2S2O3Aqueous solution.
Na2S2O3The electrolysis equation of aqueous solution are as follows:
Na2S2O3+H2O→2Na++SO3H-+OH-+S
Na2S2O3It is electrolysed sulfonate radical generated and lignin reaction, water-soluble lignosulfonates can be generated,
To which lignin be removed.Electrolysis terminates after 10-20 minutes, and electrolyte is in alkalescent at this time, increases temperature and continues in alkaline item
Kiering under part further removes delignification.Hemp first through high temperature scouring described in step (1), reduces the density of reticular structure, makes
Obtaining sulfonate radical electrolytically generated in step (2) can smoothly enter into reticular structure, increase the reaction probabilities with lignin, to increase
Degumming rate.In addition, the alkaline matter that cell reaction generates, can further remove lignin, avoid that alkaline matter additionally is added,
Reduce production cost and waste liquor contamination.
(3) it digests: gained in step (2) being added in composite enzyme solution through the hemp of electrolysis processing, in PH4.5-6,45-
After digesting 2-4 hours at 55 DEG C, tap water is rinsed well, using the substances such as enzymatic hydrolysis depolymerized pectin, further degumming.
(4) after long-staple cotton and hemp being distinguished cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp, cotton blended knitted yarn is made in sequence.
Preferably, the mass ratio of hemp described in step (1) and boiling water is 1:15-20.
Preferably, the anode material of electrolytic cell described in step (2) is RuO2-TiO2/ Ti coated electrode, PbO2/ Ti plating
Layer electrode or stainless steel；The cathode electrode sheet material is stainless steel, carbon steel or titanium.
Preferably, the quality of electrolyte described in step (2) is 8-15 times of hemp quality.
Preferably, composite enzyme solution described in step (3) is made of following parts by weight raw material: 20-30 parts of pectases,
10-15 portions of hemicellulases, 5-10 parts of sodium chloride and 50-60 parts of water.Using complex enzyme coordinated enzymatic hydrolysis, compared to single enzyme enzyme
Solution, has the advantages that hydrolysis temperature is low, the time is short, high-efficient.Sodium chloride, which is added, can effectively improve the activity of enzyme, to improve enzyme
Solve efficiency.
Preferably, the quality of composite enzyme solution described in step (3) is 10-15 times of hemp quality, the use of complex enzyme
Amount determines the degumming degree of hemp, and dosage is too low, and degumming rate is too low, hemp can degree of spinning it is not high；Compound enzyme dosage is excessively high, takes off
Glue is excessive, and the born of the same parents of hemp individual fiber cells ask all times removings of layer substance, a large amount of short velvet fiber is generated, to make its spinnability
It reduces, or even loses spinnability.
Preferably, mixing in doubling step described in step (4) uses FA306 drawing frame, set twist after winder using high pressure, it is described
The pressure of high pressure dead twist is 0.5-0.7MPa, and temperature is 150-170 DEG C, and the time is 30 minutes.It is solved by high pressure dead twist big
Fiber crops and the segregative problem of pure cotton fiber, while making stocking yarn any surface finish, filoplume few.
Preferably, the concrete operation step of dyeing and finishing process described in step (4) are as follows:
Hemp pure cotton spun yarn is put into dye liquor, adjusting PH is 4-5, and levelling agent and accelerant is added, soaks at 80-90 DEG C
Dye after being warming up to 110-120 DEG C, heat preservation 15-30 minutes using 2-5 DEG C/min heating rate, was cooled to room temperature after 2-4 hours,
Spun yarn is taken out, removes extra loose colour after washed several times with water, is finally dehydrated, dries；Dyeing and finishing bath raio be 1:8-10, the dye liquor,
Levelling agent and the mass ratio of accelerant are 100:10-15:3-5.
It is further preferred that the levelling agent is grouped as by following parts by weight group: 20-30 parts of octadecylamine polyoxyethylene ether, β
8-15 parts of cyclodextrin, 3-5 parts of glycerol, 1-3 parts of polypropylene glycerol aether and 20-30 parts of water.Using the compound levelling agent, so that greatly
More evenly, fixing degree is higher for numb pure cotton spun yarn dyeing.
It is further preferred that the accelerant is sodium chloride, magnesium chloride or sodium sulphate, accelerant can be further improved dyeing efficiency.
The invention has the benefit that
1, the present invention handles hemp in such a way that electrochemistry-biological enzymolysis combines, and makes its appropriate degumming, has higher
Spinnability, and avoid the disadvantage low using degumming rate brought by sulfite chemical degumming, chemical waste liquid amount is big.
2, by compound levelling agent make the dyeing of stocking yarn more evenly, fixing degree it is higher, while improving dyeing efficiency.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments to the present invention
It is further elaborated.
Embodiment 1
(1) by 20 parts of octadecylamine polyoxyethylene ether, 10 parts of beta cyclodextrin, 3 parts of glycerol, 2 parts of polypropylene glycerol aether and
30 parts of water are added to the mixer compound levelling agent are made after mixing；
(2) it high temperature scouring: after 100g hemp is cleaned, is placed in 1800g boiling water after kiering 30 minutes, takes out, using certainly
Water is rinsed well；
(3) it is electrolysed: the hemp through high temperature scouring being added in electrolytic cell, using 1000g 20w%Na2S2O3Aqueous solution is normal
Warm electrolysis processing after ten minutes, closes electrolysis power, after electrolyte is heated to 75 DEG C, heat preservation 15 minutes, takes out hemp, is placed in
After impregnating half an hour in tap water, then rinse well stand-by；
(4) it digests: gained in step (3) is added in 1000g composite enzyme solution through the hemp of electrolysis processing, in PH5,50
After digesting 3 hours at DEG C, tap water is rinsed well；The composite enzyme solution is made of following parts by weight raw material: 20 parts of pectin
Enzyme, 15 portions of hemicellulases, 5 parts of sodium chloride and 60 parts of water；
(5) after long-staple cotton and hemp being distinguished cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp, cotton blended knitted yarn is made in sequence；Mixing in doubling step described in step (5) uses FA306 drawing frame, is determined after winder using high pressure
It twists, the pressure of the high pressure dead twist is 0.6MPa, and temperature is 150 DEG C, and the time is 30 minutes；
The concrete operation step of the dyeing and finishing process are as follows:
Hemp pure cotton spun yarn is put into dye liquor, adjusting PH is 4, and levelling agent and accelerant is added, and it is small that 4 are disseminated at 80 DEG C
Shi Hou is cooled to room temperature, takes out spun yarn, washed several times with water after being warming up to 120 DEG C, heat preservation 30 minutes using 3 DEG C/min heating rate
After remove extra loose colour, finally be dehydrated, dry；Dyeing and finishing bath raio is 1:10, the dye liquor, levelling agent and the quality of accelerant
Than for 100:10:5.
Embodiment 2
(1) by 25 parts of octadecylamine polyoxyethylene ether, 8 parts of beta cyclodextrin, 5 parts of glycerol, 1 part of polypropylene glycerol aether and
25 parts of water are added to the mixer compound levelling agent are made after mixing；
(2) it high temperature scouring: after 100g hemp is cleaned, is placed in kiering in 2000g boiling water and after twenty minutes, takes out, using certainly
Water is rinsed well；
(3) it is electrolysed: the hemp through high temperature scouring being added in electrolytic cell, using 800g 18w%Na2S2O3Aqueous solution room temperature
Electrolysis is handled after twenty minutes, closes electrolysis power, electrolyte is heated to 80 DEG C, heat preservation after ten minutes, takes out hemp, is placed in certainly
After impregnating half an hour in water, then rinse well stand-by；
(4) it digests: gained in step (3) is added in 1200g composite enzyme solution through the hemp of electrolysis processing, in PH4.5,
After digesting 4 hours at 45 DEG C, tap water is rinsed well；The composite enzyme solution is made of following parts by weight raw material: 25 portions of fruits
Glue enzyme, 10 portions of hemicellulases, 10 parts of sodium chloride and 55 parts of water；
(5) after long-staple cotton and hemp being distinguished cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp, cotton blended knitted yarn is made in sequence；Mixing in doubling step described in step (5) uses FA306 drawing frame, is determined after winder using high pressure
It twists, the pressure of the high pressure dead twist is 0.5MPa, and temperature is 160 DEG C, and the time is 30 minutes；
The concrete operation step of the dyeing and finishing process are as follows:
Hemp pure cotton spun yarn is put into dye liquor, adjusting PH is 4, and levelling agent and accelerant is added, disseminates 4.5 at 80 DEG C
After hour, 110 DEG C are warming up to using 3 DEG C/min heating rate, heat preservation after twenty minutes, is cooled to room temperature, takes out spun yarn, washes number
Extra loose colour is removed after secondary, is finally dehydrated, is dried；Dyeing and finishing bath raio is 1:10, the dye liquor, levelling agent and the matter of accelerant
Amount is than being 100:12:4.
Embodiment 3
(1) by 30 parts of octadecylamine polyoxyethylene ether, 15 parts of beta cyclodextrin, 4 parts of glycerol, 3 parts of polypropylene glycerol aether and
20 parts of water are added to the mixer compound levelling agent are made after mixing；
(2) it high temperature scouring: after 100g hemp is cleaned, is placed in kiering in 1500g boiling water and after forty minutes, takes out, using certainly
Water is rinsed well；
(3) it is electrolysed: the hemp through high temperature scouring being added in electrolytic cell, using 1500g 15w%Na2S2O3Aqueous solution is normal
After temperature electrolysis processing 15 minutes, electrolysis power is closed, electrolyte is heated to 70 DEG C, heat preservation after twenty minutes, is taken out hemp, is placed in
After impregnating half an hour in tap water, then rinse well stand-by；
(4) it digests: gained in step (3) is added in 1500g composite enzyme solution through the hemp of electrolysis processing, in PH6,55
After digesting 2 hours at DEG C, tap water is rinsed well；The composite enzyme solution is made of following parts by weight raw material: 30 parts of pectin
Enzyme, 12 portions of hemicellulases, 8 parts of sodium chloride and 50 parts of water；
(5) after long-staple cotton and hemp being distinguished cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp, cotton blended knitted yarn is made in sequence；Mixing in doubling step described in step (5) uses FA306 drawing frame, is determined after winder using high pressure
It twists, the pressure of the high pressure dead twist is 0.7MPa, and temperature is 170 DEG C, and the time is 30 minutes；
The concrete operation step of the dyeing and finishing process are as follows:
Hemp pure cotton spun yarn is put into dye liquor, adjusting PH is 5, and levelling agent and accelerant is added, and it is small that 2 are disseminated at 90 DEG C
Shi Hou is cooled to room temperature, takes out spun yarn, washed several times with water after being warming up to 115 DEG C, heat preservation 15 minutes using 4 DEG C/min heating rate
After remove extra loose colour, finally be dehydrated, dry；Dyeing and finishing bath raio is 1:9, the dye liquor, levelling agent and the quality of accelerant
Than for 100:15:3.
Comparative example 1
Using with the identical operation processing hemp of embodiment 1, unlike hemp in comparative example 1 without high temperature scouring.
Comparative example 2
Using with the identical operation processing hemp of embodiment 1, unlike composite enzyme solution in 2 step of comparative example (5)
Quality is 20 times of hemp quality.
The measurement of 4 degumming effect of embodiment
The chemical component of hemp:
Measure the chemistry of embodiment 1-3 hemp, comparative example 1-2 and untreated raw ramie respectively according to GB585-5859-86
The appearance of ingredient and stocking yarn is shown in Table 1,
Table 1:
It can be seen from Table 1 that: the processed hemp fiber degumming effect appropriateness of method provided by through the invention, greatly
Numb single fiber length is longer, and spinnability is preferable.Comparative example 1 is declined without high temperature scouring processing, the degumming effect of hemp.Than
It is excessive compared with the compound enzyme dosage that example 2 uses, cause pectin substance content too low, hemp degumming is excessive, so that hemp short flannel
More, spinnability decline, gained hemp, cotton blended knitted yarn hair plumage are more.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. the preparation method of a kind of hemp, cotton blended knitted yarn, which is characterized in that the preparation method includes the following steps:
(1) it high temperature scouring: after hemp is cleaned, is placed in boiling water after kiering 20-40 minutes, takes out, rinsed using tap water dry
Only；
(2) it is electrolysed: the hemp through high temperature scouring is added in electrolytic cell, after room temperature electrolysis processing 10-20 minutes, close electrolysis
Power supply takes out hemp, is placed in tap water after impregnating half an hour after electrolyte is heated to 70-80 DEG C, heat preservation 10-20 minutes,
It rinses well again stand-by；The electrolyte is 15-20w% Na2S2O3Aqueous solution；
(3) it digests: gained in step (2) being added in composite enzyme solution through the hemp of electrolysis processing, in PH4.5-6,45-55
After digesting 2-4 hours at DEG C, tap water dries to obtain hemp after rinsing well；
(4) after long-staple cotton and hemp being distinguished cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winding procedure
Hemp, cotton blended knitted yarn is made.
2. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that big described in step (1)
The mass ratio of fiber crops and boiling water is 1:15-20.
3. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that electricity described in step (2)
The anode material for solving slot is RuO2-TiO2/ Ti coated electrode, PbO2/ Ti coating electrode or stainless steel；The cathode of the electrolytic cell
Electrode sheet material is stainless steel, carbon steel or titanium.
4. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that electricity described in step (2)
The quality for solving liquid is 8-15 times of hemp quality.
5. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that multiple described in step (3)
Synthase solution is made of following parts by weight raw material: 20-30 parts of pectases, 10-15 portions of hemicellulases, 5-10 parts of sodium chloride and
50-60 parts of water.
6. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that multiple described in step (3)
The quality of synthase solution is 10-15 times of hemp quality.
7. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that described in step (4) simultaneously
Process uses FA306 drawing frame, is set twist after winder using high pressure, and the pressure of the high pressure dead twist is 0.5-0.7MPa, temperature
It is 150-170 DEG C, the time is 30 minutes.
8. the preparation method of hemp as described in claim 1, cotton blended knitted yarn, which is characterized in that contaminated described in step (4)
The concrete operation step of whole process are as follows:
Hemp pure cotton spun yarn is put into dye liquor, adjusting PH is 4-5, and levelling agent and accelerant is added, disseminates 2- at 80-90 DEG C
After 4 hours, after being warming up to 110-120 DEG C, heat preservation 15-30 minutes using 2-5 DEG C/min heating rate, it is cooled to room temperature, is taken out
Spun yarn removes extra loose colour after washed several times with water, is finally dehydrated, dries；Dyeing and finishing bath raio is 1:8-10, the dye liquor, level dyeing
The mass ratio of agent and accelerant is 100:10-15:3-5.
9. the preparation method of hemp as claimed in claim 8, cotton blended knitted yarn, which is characterized in that the levelling agent by with
Lower parts by weight group is grouped as: 20-30 parts of octadecylamine polyoxyethylene ether, 8-15 parts of beta cyclodextrin, 3-5 parts of glycerol, polyoxy third
1-3 parts and water 20-30 parts of alkene glycerin ether.
10. the preparation method of hemp as claimed in claim 8, cotton blended knitted yarn, which is characterized in that the accelerant is chlorine
Change sodium, magnesium chloride or sodium sulphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710172553.9A CN106995958B (en) | 2017-03-21 | 2017-03-21 | A kind of hemp, cotton blended knitted yarn preparation method |
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| CN201710172553.9A CN106995958B (en) | 2017-03-21 | 2017-03-21 | A kind of hemp, cotton blended knitted yarn preparation method |
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| CN106995958A CN106995958A (en) | 2017-08-01 |
| CN106995958B true CN106995958B (en) | 2019-03-08 |
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| CN109056382A (en) * | 2018-07-02 | 2018-12-21 | 浙江金塔生物科技有限公司 | A kind of printing and dyeing assistant and preparation method thereof |
| CN112411206A (en) * | 2020-11-10 | 2021-02-26 | 张家港扬子染整有限公司 | Dyeing process for improving spinnability of hemp wool tops |
| CN113046878B (en) * | 2021-03-03 | 2022-07-01 | 青岛奥洛思新材料有限公司 | Protein fiber/fibrilia blended fabric and production process thereof |
| US20220362319A1 (en) * | 2021-05-12 | 2022-11-17 | PPM Labs LLC | Cannabinoid Concentration Process |
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| CN105839256A (en) * | 2016-06-12 | 2016-08-10 | 义乌市麻尚生针织品有限公司 | Preparation method of multifunctional cotton and linen blended compound yarns |
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| JP2003027350A (en) * | 2001-07-19 | 2003-01-29 | Toyobo Co Ltd | High-strength woven fabric and method of producing the same |
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