CN106995958A - A kind of preparation method of hemp pure cotton blended knitting yarn - Google Patents
A kind of preparation method of hemp pure cotton blended knitting yarn Download PDFInfo
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- CN106995958A CN106995958A CN201710172553.9A CN201710172553A CN106995958A CN 106995958 A CN106995958 A CN 106995958A CN 201710172553 A CN201710172553 A CN 201710172553A CN 106995958 A CN106995958 A CN 106995958A
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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 invention provides a kind of preparation method of hemp pure cotton blended knitting yarn, comprise the following steps：(1) after hemp is cleaned, kiering in boiling water is inserted；(2) by the hemp through high temperature scouring through Na2S2O3Aqueous solution electrolysis was handled after 10 20 minutes, stopped electrolysis, and electrolyte is heated into 70 80 DEG C, after being incubated 10 20 minutes, is taken out hemp, is rinsed well stand-by；(3) hemp through electrolysis processing is added in composite enzyme solution and digested；(4) long-staple cotton and hemp are distinguished after cotton carding, then by the two drafting, hemp pure cotton blended knitting 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 environmental protection, degumming appropriateness, fiber spinnability height, even dyeing, fixing degree are high.
Description
Technical field
The invention belongs to textile technology field, and in particular to a kind of preparation method of hemp pure cotton blended knitting yarn.
Background technology
Hemp system Moraceae belongs to 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
Product and yield occupy first place in the world, and the place of production spreads all over the country, but the predominantly Huanghe valley, 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.Hemp plantation is to the less demanding of weather and soil, and it grows fast
Speed, insect pest ability is strong, and without insecticide and fertilizer during planting, does not result in 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 increasingly favored.Hemp is same with 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, deep to be welcome by domestic and international consumer, its raw material is to make
One of primary raw material of summer clothes.
What is directly stripped down from big anesthesia stem is referred to as in raw ramie, raw ramie in addition to containing cellulose components also containing certain
The non-cellulose components of amount, including lignin, hemicellulose, cerolipoid, pectin and part aqueous thing and ash grade.If making raw ramie
With spinnability, it is necessary to these non-cellulose components are removed, degummed ramie, i.e. degumming is 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 influences larger to quality of textile products.In the prior art frequently with sulfite solution kiering, lignin is removed,
But effect is also not ideal, it usually needs soda boiling auxiliary enhancing degumming effect.Chemical Degumming will consume substantial amounts of chemical industry simultaneously
Raw material and energy, production cost are high, contain harmful chemical component in the sewage after processing, easily pollute environment, and processing time
It is long, it is not easily recycled.
The content of the invention
The invention provides a kind of preparation method of hemp pure cotton blended knitting yarn, combined using electrochemistry-biological enzymolysis
Method to hemp carry out degumming process, then with long wool cotton blend prepare hemp pure cotton knitting yarn, gained stocking yarn have green
The high advantage of environmental protection, degumming appropriateness, fiber spinnability height, even dyeing, fixing degree.
The technical proposal for solving the technical problem of the invention is：
A kind of preparation method of hemp pure cotton blended knitting yarn, the preparation method comprises the following steps：
(1) high temperature scouring：After hemp is cleaned, insert in boiling water after kiering 20-40 minutes, take out, rushed using running water
Wash clean.Hemp individual fiber cells interweave under the bonding of intercellular layer material to be reticulated, and first causes hemp by high temperature scouring
The network structure degree of cross linking is reduced, and is conducive to small molecule to enter in network structure.
(2) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, after normal temperature electrolysis is handled 10-20 minutes, electricity is closed
Power supply is solved, electrolyte is heated to 70-80 DEG C, after being incubated 10-20 minutes, hemp is taken out, is placed in running water and soaks half an hour
Afterwards, then rinse well stand-by；The electrolyte is 15-20w%Na2S2O3The aqueous solution.
Na2S2O3The electrolysis equation of the aqueous solution is：
Na2S2O3+H2O→2Na++SO3H-+OH-+S
Na2S2O3The generated sulfonate radical of electrolysis and lignin reaction, can generate water-soluble lignosulfonates,
So as to which lignin be removed.Electrolysis terminates after 10-20 minutes, and now electrolyte is in alkalescent, and rise temperature continues in alkaline bar
Kiering under part, further except delignification.Hemp first through the high temperature scouring described in step (1), reduces the density of network structure, made
Obtain sulfonate radical electrolytically generated in step (2) smoothly to enter in network structure, increase and the reaction probabilities of lignin, so as to increase
Degumming rate.In addition, the alkaline matter of cell reaction generation, can further remove lignin, it is to avoid additionally add alkaline matter,
Reduce production cost and waste liquor contamination.
(3) digest：Hemp of the gained in step (2) through electrolysis processing is added in composite enzyme solution, in PH4.5-6,45-
After being digested 2-4 hours at 55 DEG C, running water is rinsed well, using materials, further degumming such as enzymolysis depolymerized pectins.
(4) long-staple cotton and hemp are distinguished after cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp pure cotton blended knitting yarn is made in sequence.
Preferably, the mass ratio of hemp and boiling water described in step (1) is 1:15-20.
Preferably, the anode material of electrolytic cell described in step (2) is RuO2-TiO2/ Ti coated electrodes, PbO2/ Ti is plated
Layer electrode or stainless steel；Described 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 is made up of following parts by weight raw material described in step (3)：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, efficiency high.The activity of enzyme can be effectively improved by adding sodium chloride, so as 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 consumption is too low, and degumming rate is too low, hemp can degree of spinning it is not high；Compound enzyme dosage is too high, takes off
Excessively, the born of the same parents of hemp individual fiber cells ask all times removings of layer material to glue, substantial amounts of short velvet fiber are produced, so that its spinnability
Reduction, or even lose spinnability.
Preferably, mixing in doubling step described in step (4) is used using high pressure dead twist after FA306 drawing frames, winder, 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.Solved by high pressure dead twist big
Fiber crops and the segregative problem of pure cotton fiber, while so that stocking yarn any surface finish, filoplume are few.
Preferably, the concrete operation step of dyeing and finishing process is described in step (4)：
Hemp pure cotton spun yarn is put into dye liquor, regulation PH is 4-5, adds levelling agent and accelerant, in leaching at 80-90 DEG C
Dye is warming up to 110-120 DEG C after 2-4 hours using 2-5 DEG C/min programming rates, after being incubated 15-30 minutes, is cooled to room temperature,
Unnecessary loose colour is removed after taking out spun yarn, washed several times with water, is finally dehydrated, dries；Dyeing and finishing bath raio is 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 made up of following parts by weight component：20-30 parts of octadecylamine APEO, β
20-30 parts of 8-15 parts of cyclodextrin, 3-5 parts of glycerine, 1-3 parts of polypropylene glycerol aether and water.Using the compound levelling agent so that big
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 further improve staining efficiency.
Beneficial effects of the present invention are：
1st, the present invention handles hemp by the way of electrochemistry-biological enzymolysis is combined, and makes its appropriate degumming, with higher
Spinnability, and avoid the shortcoming that degumming rate is low, chemical waste liquid amount is big brought using sulfite chemical degumming.
2nd, by be combined levelling agent cause the dyeing of stocking yarn evenly, fixing degree it is higher, while improving staining efficiency.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments to the present invention
It is further elaborated.
Embodiment 1
(1) by 20 parts of octadecylamine APEO, 10 parts of beta cyclodextrin, 3 parts of glycerine, 2 parts of polypropylene glycerol aether and
Compound levelling agent is made after being well mixed in 30 parts of addition mixers of water；
(2) high temperature scouring：After 100g hemps are cleaned, after inserting in 1800g boiling water kiering 30 minutes, take out, using from
Water is rinsed well；
(3) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, using 1000g 20w%Na2S2O3The aqueous solution is normal
After temperature electrolysis processing 10 minutes, electrolysis power is closed, electrolyte is heated to 75 DEG C, after being incubated 15 minutes, taken out hemp, be placed in
Soak after half an hour, then rinse well stand-by in running water；
(4) digest：Hemp of the gained in step (3) through electrolysis processing is added in 1000g composite enzyme solutions, in PH5,50
After being digested 3 hours at DEG C, running water is rinsed well；The composite enzyme solution is made up 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) long-staple cotton and hemp are distinguished after cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp pure cotton blended knitting yarn is made in sequence；Mixing in doubling step described in step (5), which is used, uses high pressure after FA306 drawing frames, winder
Dead twist, 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 is：
Hemp pure cotton spun yarn is put into dye liquor, regulation PH is 4, adds levelling agent and accelerant, it is small in contaminating 4 at 80 DEG C
Shi Hou, 120 DEG C are warming up to using 3 DEG C/min programming rates, after being incubated 30 minutes, are cooled to room temperature, take out spun yarn, washed several times with water
After remove unnecessary 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 APEO, 8 parts of beta cyclodextrin, 5 parts of glycerine, 1 part of polypropylene glycerol aether and
Compound levelling agent is made after being well mixed in 25 parts of addition mixers of water；
(2) high temperature scouring：After 100g hemps are cleaned, after inserting in 2000g boiling water kiering 20 minutes, take out, using from
Water is rinsed well；
(3) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, using 800g 18w%Na2S2O3Aqueous solution normal temperature
After being electrolysed processing 20 minutes, electrolysis power is closed, electrolyte is heated to 80 DEG C, after being incubated 10 minutes, hemp is taken out, is placed in certainly
Soak after half an hour, then rinse well stand-by in water；
(4) digest：Hemp of the gained in step (3) through electrolysis processing is added in 1200g composite enzyme solutions, in PH4.5,
After being digested 4 hours at 45 DEG C, running water is rinsed well；The composite enzyme solution is made up 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) long-staple cotton and hemp are distinguished after cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp pure cotton blended knitting yarn is made in sequence；Mixing in doubling step described in step (5), which is used, uses high pressure after FA306 drawing frames, winder
Dead twist, 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 is：
Hemp pure cotton spun yarn is put into dye liquor, regulation PH is 4, adds levelling agent and accelerant, in contaminating 4.5 at 80 DEG C
After hour, 110 DEG C are warming up to using 3 DEG C/min programming rates, after being incubated 20 minutes, room temperature is cooled to, takes out spun yarn, wash number
Unnecessary loose colour is removed after secondary, is finally dehydrated, dries；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 APEO, 15 parts of beta cyclodextrin, 4 parts of glycerine, 3 parts of polypropylene glycerol aether and
Compound levelling agent is made after being well mixed in 20 parts of addition mixers of water；
(2) high temperature scouring：After 100g hemps are cleaned, after inserting in 1500g boiling water kiering 40 minutes, take out, using from
Water is rinsed well；
(3) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, using 1500g 15w%Na2S2O3The aqueous solution is normal
After temperature electrolysis processing 15 minutes, electrolysis power is closed, electrolyte is heated to 70 DEG C, after being incubated 20 minutes, taken out hemp, be placed in
Soak after half an hour, then rinse well stand-by in running water；
(4) digest：Hemp of the gained in step (3) through electrolysis processing is added in 1500g composite enzyme solutions, in PH6,55
After being digested 2 hours at DEG C, running water is rinsed well；The composite enzyme solution is made up 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) long-staple cotton and hemp are distinguished after cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winder work
Hemp pure cotton blended knitting yarn is made in sequence；Mixing in doubling step described in step (5), which is used, uses high pressure after FA306 drawing frames, winder
Dead twist, 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 is：
Hemp pure cotton spun yarn is put into dye liquor, regulation PH is 5, adds levelling agent and accelerant, it is small in contaminating 2 at 90 DEG C
Shi Hou, 115 DEG C are warming up to using 4 DEG C/min programming rates, after being incubated 15 minutes, are cooled to room temperature, take out spun yarn, washed several times with water
After remove unnecessary 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
Hemp is handled using with the operation of the identical of embodiment 1, the difference is that the hemp in comparative example 1 is without high temperature scouring.
Comparative example 2
Hemp is handled using with the operation of the identical of embodiment 1, the difference is that composite enzyme solution in the step of comparative example 2 (5)
Quality is 20 times of hemp quality.
The degumming effect of embodiment 4 is determined
The chemical composition of hemp：
Determine the chemistry of embodiment 1-3 hemps, comparative example 1-2 and undressed raw ramie respectively according to GB585-5859-86
The outward appearance of composition and stocking yarn is shown in Table 1,
Table 1：
It can be seen from Table 1 that：The hemp fiber degumming effect appropriateness treated by method provided by the present invention, greatly
Numb single fiber length is longer, and spinnability is preferable.Comparative example 1 has declined without high temperature scouring processing, the degumming effect of hemp.Than
It is excessive compared with the compound enzyme dosage that example 2 is used, cause that pectin substance content is too low, hemp degumming is excessive so that hemp short flannel
More, spinnability declines, and gained hemp pure cotton blended knitting yarn filoplume is more.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of preparation method of hemp pure cotton blended knitting yarn, it is characterised in that the preparation method comprises the following steps：
(1) high temperature scouring：After hemp is cleaned, insert in boiling water after kiering 20-40 minutes, take out, rinse dry using running water
Only；
(2) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, after normal temperature electrolysis is handled 10-20 minutes, electrolysis is closed
Power supply, 70-80 DEG C is heated to by electrolyte, after being incubated 10-20 minutes, takes out hemp, is placed in running water and is soaked after half an hour,
Rinse well again stand-by；The electrolyte is 15-20w% Na2S2O3The aqueous solution；
(3) digest：Hemp of the gained in step (2) through electrolysis processing is added in composite enzyme solution, in PH4.5-6,45-55
After being digested 2-4 hours at DEG C, running water dries to obtain hemp after rinsing well；
(4) long-staple cotton and hemp are distinguished after cotton carding, then by the two drafting, through rove, spun yarn, dyeing and finishing and winding procedure
Hemp pure cotton blended knitting yarn is made.
2. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (1)
The mass ratio of hemp and boiling water is 1:15-20.
3. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (2)
The anode material of electrolytic cell is RuO2-TiO2/ Ti coated electrodes, PbO2/ Ti coating electrodes or stainless steel；Described cathode electrode
Plate material is stainless steel, carbon steel or titanium.
4. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (2)
The quality of electrolyte is 8-15 times of hemp quality.
5. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (3)
Composite enzyme solution is made up of following parts by weight raw material：20-30 parts of pectases, 10-15 parts of hemicellulases, 5-10 parts of sodium chloride
With 50-60 parts of water.
6. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (3)
The quality of composite enzyme solution is 10-15 times of hemp quality.
7. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (4)
Mixing in doubling step is used using high pressure dead twist after FA306 drawing frames, winder, and the pressure of the high pressure dead twist is 0.5-0.7MPa, temperature
Spend for 150-170 DEG C, the time is 30 minutes.
8. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 1, it is characterised in that described in step (4)
The concrete operation step of dyeing and finishing process is：
Hemp pure cotton spun yarn is put into dye liquor, regulation PH is 4-5, adds levelling agent and accelerant, in contaminating 2- at 80-90 DEG C
After 4 hours, 110-120 DEG C is warming up to using 2-5 DEG C/min programming rates, after being incubated 15-30 minutes, room temperature is cooled to, taken out
Unnecessary loose colour is removed after spun yarn, 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 pure cotton blended knitting yarn as claimed in claim 8, it is characterised in that the levelling agent by with
Lower parts by weight component composition：20-30 parts of octadecylamine APEO, 8-15 parts of beta cyclodextrin, 3-5 parts of glycerine, polyoxy third
20-30 parts of 1-3 parts of alkene glycerin ether and water.
10. the preparation method of hemp pure cotton blended knitting yarn as claimed in claim 8, it is characterised in that the accelerant is
Sodium chloride, magnesium chloride or sodium sulphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172553.9A CN106995958B (en) | 2017-03-21 | 2017-03-21 | A kind of hemp, cotton blended knitted yarn preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172553.9A CN106995958B (en) | 2017-03-21 | 2017-03-21 | A kind of hemp, cotton blended knitted yarn preparation method |
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| Publication Number | Publication Date |
|---|---|
| CN106995958A true CN106995958A (en) | 2017-08-01 |
| CN106995958B CN106995958B (en) | 2019-03-08 |
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| CN201710172553.9A Active CN106995958B (en) | 2017-03-21 | 2017-03-21 | A kind of hemp, cotton blended knitted yarn preparation method |
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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 |
| CN113046878A (en) * | 2021-03-03 | 2021-06-29 | 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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| CN106995958B (en) | 2019-03-08 |
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