CN106868862A - A kind of preparation method of degree of spinning antistatic hemp high - Google Patents
A kind of preparation method of degree of spinning antistatic hemp high Download PDFInfo
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- CN106868862A CN106868862A CN201710168559.9A CN201710168559A CN106868862A CN 106868862 A CN106868862 A CN 106868862A CN 201710168559 A CN201710168559 A CN 201710168559A CN 106868862 A CN106868862 A CN 106868862A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
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- 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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Abstract
The invention provides a kind of preparation method of degree of spinning antistatic hemp high, comprise the following steps：(1) after hemp is cleaned, kiering 20 40 minutes in boiling water are inserted；(2) by through the hemp of high temperature scouring through Na2S2O3After aqueous solution electrolysis processes 10 20 minutes, stop electrolysis, electrolyte is heated to 70 80 DEG C, after being incubated 10 20 minutes, take out hemp, rinse well stand-by；(3) by the hemp addition composite enzyme solution through electrolysis treatment, after being digested 24 hours at 6,45 55 DEG C of PH4.5, running water is rinsed well；(4) after the hemp for crossing enzymolysis processing is using composite antistatic agent spray, hemp needed for drying.The present invention processes hemp by the way of electrochemica biological enzymolysis is combined, and makes its appropriate degumming, with spinnability higher, and avoids the shortcoming that degumming rate is low, chemical waste liquid amount is big brought using sulfite chemical degumming.
Description
Technical field
The invention belongs to string processing technology field, and in particular to a kind of degree of spinning antistatic hemp high
Preparation method.
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.To the less demanding of weather and soil, it grows fast for hemp plantation
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 thin 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 raw ramie, also containing certain in addition to containing cellulose components in raw ramie
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 the removal of these non-cellulose components, obtain degummed ramie, i.e. degumming.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, and harmful chemical component is contained in the sewage after treatment, easily pollute environment, and process time
It is long, it is not easily recycled.
The content of the invention
The invention provides a kind of preparation method of degree of spinning antistatic hemp high, using electrochemistry-biology enzyme
Solve united method carries out degumming process to hemp, has the advantages that environmental protection, degumming appropriateness, fiber spinnability are high, while
Using antistatic agent treatment hemp, make its antistatic effect lasting.
The technical proposal for solving the technical problem of the invention is：
A kind of preparation method of degree of spinning antistatic hemp high, 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 and reticulate, and first hemp is caused by high temperature scouring
The reduction of the network structure degree of cross linking, is conducive to small molecule to enter in network structure.
(2) it is electrolysed：In through the hemp of high temperature scouring addition electrolytic cell, after normal temperature electrolysis is processed 10-20 minutes, electricity is closed
Solution power supply, 70-80 DEG C is heated to by electrolyte, after being incubated 10-20 minutes, takes out hemp, is placed in and half an hour is soaked in running water
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 lignin be removed.Electrolysis terminates after 10-20 minutes, and now electrolyte is in alkalescent, rises high-temperature and 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, makes
Electrolytically generated sulfonate radical in step (2) smoothly enters in network structure, the reaction probabilities of increase and lignin, so as to increase
Degumming rate.Additionally, 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：In hemp addition composite enzyme solution by gained in step (2) through electrolysis treatment, 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) antistatic treatment：The hemp that step (3) enzymolysis processing is crossed is sprayed using composite antistatic agent, and in spray
During do not stop to stir hemp, after standing 30 minutes, hemp needed for drying, the quality of the composite antistatic agent is
3-5 times of hemp quality.
Preferably, hemp described in step (1) is 1 with the mass ratio of boiling water: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 pectase,
10-15 parts of hemicellulase, 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.Adding sodium chloride can effectively improve the activity of enzyme, so as to improve enzyme
Solution 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
Reduce, or even lose spinnability.
Preferably, composite antistatic agent is made up of following parts by weight component described in step (4)：Terephthalic acid (TPA) two
Methyl esters 12-20 parts, modified poly (ethylene glycol) 15-20 parts, 3-5 parts of stearic acid sodium, glycerine 8-12 parts, zinc acetate 8-10 parts, nonyl phenol
APEO 1-3 parts and polypropylene glycerol aether 1-3 parts.
It is further preferred that the preparation method of the modified poly (ethylene glycol) is：
By in polyethylene glycol, dimethylolpropionic acid and water addition reaction vessel, acid adjusts PH to 4-5, in anti-at 70-80 DEG C
After answering 2-4 hours, dimethylbenzene, 90 DEG C of distillation dehydrations are added, until being steamed there is no moisture, stop reaction, residue is and changes
Property polyethylene glycol.
Using dimethylolpropionic acid modified poly (ethylene glycol), superelevation branched modification polyethylene glycol is obtained, has with hemp
Good compatibility so that the antistatic effect of hemp is lasting.
It is further preferred that the mean molecule quantity of the polyethylene glycol is 400 or 600.
It is further preferred that the mass ratio of the polyethylene glycol, dimethylolpropionic acid and water is 1:0.2-0.4:4-6, polyethylene glycol,
The mass ratio that feeds intake of dimethylolpropionic acid determines the degree of branching of polyethylene glycol, when the consumption of methyl alcohol and dimethylolpropionic acid is less than
During the numerical value, branchedization degree is relatively low, during modified poly (ethylene glycol) is soluble in water, causes antistatic additive to lose through repeatedly washing；When
When the consumption of methyl alcohol and dimethylolpropionic acid exceedes the numerical value, degree of branching is higher, the compatibility of antistatic additive and cannabinol molecule
Cross good, cause antistatic additive normally to move to hemp top layer, it is internal antistatic when top layer antistatic additive is because of friction loss
Agent cannot be supplemented in time, cause antistatic behaviour to decline, and durability is not good.
Beneficial effects of the present invention are：
1st, the present invention processes hemp by the way of electrochemistry-biological enzymolysis are 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, the composite antistatic agent being made up of modified poly (ethylene glycol), enhances antistatic additive compatible with hemp
Property, improve its antistatic persistence.
Specific 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 100g PEG400s, 30g dimethylolpropionic acids and 400g water add reaction vessel in, acid regulation PH to
4, after being reacted 2 hours at 80 DEG C, 15g dimethylbenzene, 90 DEG C of distillation dehydrations are added, until being steamed there is no moisture, stop reaction,
Residue is 122g modified poly (ethylene glycol)s；
(2) by 18g dimethyl terephthalate (DMT)s, 15g modified poly (ethylene glycol)s, 4g stearic acids sodium, 10g glycerine, 10g acetic acid
Composite anti-static is obtained after being well mixed in zinc, 1g NPEs and 2g polypropylene glycerol aethers addition mixer
Agent；
(3) 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；
(4) it is electrolysed：In through the hemp of high temperature scouring addition electrolytic cell, using 1000g 20w%Na2S2O3The aqueous solution is normal
After temperature electrolysis treatment 10 minutes, electrolysis power is closed, electrolyte is heated to 75 DEG C, after being incubated 15 minutes, take out hemp, be placed in
After soaking half an hour in running water, then rinse well stand-by；
(5) digest：In hemp addition 1000g composite enzyme solutions by gained in step (4) through electrolysis treatment, 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 parts of hemicellulases, 5 parts of sodium chloride and 60 parts of water；
(6) antistatic treatment：The hemp that step (5) enzymolysis processing is crossed is sprayed using 400g composite antistatic agents, and
Do not stop to stir hemp during spray, after standing 30 minutes, hemp needed for drying.
Embodiment 2
(1) by 100g Macrogol 600s, 20g dimethylolpropionic acids and 500g water add reaction vessel in, acid regulation PH to
4.5, after being reacted 4 hours at 70 DEG C, 15g dimethylbenzene, 90 DEG C of distillation dehydrations are added, until being steamed there is no moisture, stop anti-
Should, residue is 108g modified poly (ethylene glycol)s；
(2) by 12g dimethyl terephthalate (DMT)s, 20g modified poly (ethylene glycol)s, 3g stearic acids sodium, 12g glycerine, 8g zinc acetates,
Composite antistatic agent is obtained after being well mixed in 2g NPEs and 1g polypropylene glycerol aethers addition mixer；
(3) 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；
(4) it is electrolysed：In through the hemp of high temperature scouring addition electrolytic cell, using 800g 18w%Na2S2O3Aqueous solution normal temperature
After being electrolysed treatment 20 minutes, electrolysis power is closed, electrolyte is heated to 80 DEG C, after being incubated 10 minutes, take out hemp, be placed in certainly
After soaking half an hour in water, then rinse well stand-by；
(5) digest：In hemp addition 1200g composite enzyme solutions by gained in step (4) through electrolysis treatment, 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 parts of hemicellulases, 10 parts of sodium chloride and 55 parts of water；
(6) antistatic treatment：The hemp that step (5) enzymolysis processing is crossed is sprayed using 500g composite antistatic agents, and
Do not stop to stir hemp during spray, after standing 30 minutes, hemp needed for drying.
Embodiment 3
(1) by 100g PEG400s, 40g dimethylolpropionic acids and 600g water add reaction vessel in, acid regulation PH to
5, after being reacted 3 hours at 75 DEG C, 15g dimethylbenzene, 90 DEG C of distillation dehydrations are added, until being steamed there is no moisture, stop reaction,
Residue is 128g modified poly (ethylene glycol)s；
(2) by 20g dimethyl terephthalate (DMT)s, 18g modified poly (ethylene glycol)s, 5g stearic acids sodium, 8g glycerine, 9g zinc acetates,
Composite antistatic agent is obtained after being well mixed in 1g NPEs and 3g polypropylene glycerol aethers addition mixer；
(3) 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；
(4) it is electrolysed：In through the hemp of high temperature scouring addition electrolytic cell, using 1500g 15w%Na2S2O3The aqueous solution is normal
After temperature electrolysis treatment 15 minutes, electrolysis power is closed, electrolyte is heated to 70 DEG C, after being incubated 20 minutes, take out hemp, be placed in
After soaking half an hour in running water, then rinse well stand-by；
(5) digest：In hemp addition 1500g composite enzyme solutions by gained in step (4) through electrolysis treatment, 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 parts of hemicellulases, 8 parts of sodium chloride and 50 parts of water；
(6) antistatic treatment：The hemp that step (5) enzymolysis processing is crossed is sprayed using 300g composite antistatic agents, and
Do not stop to stir hemp during spray, after standing 30 minutes, hemp needed for drying.
Comparative example 1
Hemp is processed 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 processed 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
Composition 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 more long, and spinnability is preferable.Comparative example 1 has declined without high temperature scouring treatment, 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.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. the preparation method of a kind of degree of spinning antistatic hemp high, it is characterised in that the preparation method includes as follows
Step：
(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：In through the hemp of high temperature scouring addition electrolytic cell, after normal temperature electrolysis is processed 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 after soaking half an hour in running water,
Rinse well again stand-by；The electrolyte is 15-20w% Na2S2O3The aqueous solution；
(3) digest：In hemp addition composite enzyme solution by gained in step (2) through electrolysis treatment, in PH4.5-6,45-55
After being digested 2-4 hours at DEG C, running water is rinsed well；
(4) antistatic treatment：The hemp that step (3) enzymolysis processing is crossed is sprayed using composite antistatic agent, and in spray process
In do not stop to stir hemp, after standing 30 minutes, hemp needed for drying, the quality of the composite antistatic agent is hemp
3-5 times of quality.
2. as claimed in claim 1 can degree of spinning antistatic hemp high preparation method, it is characterised in that step (1)
Described in the mass ratio of hemp and boiling water be 1:15-20.
3. as claimed in claim 1 can degree of spinning antistatic hemp high preparation method, it is characterised in that step (2)
Described in electrolytic cell anode material be RuO2-TiO2/ Ti coated electrodes, PbO2/ Ti coating electrodes or stainless steel；Described the moon
Pole electrode sheet material is stainless steel, carbon steel or titanium.
4. as claimed in claim 1 can degree of spinning antistatic hemp high preparation method, it is characterised in that step (2)
Described in the quality of electrolyte be 8-15 times of hemp quality.
5. as claimed in claim 1 can degree of spinning antistatic hemp high preparation method, it is characterised in that step (3)
Described in composite enzyme solution be made up of following parts by weight raw material：20-30 parts of pectase, 10-15 portions of hemicellulase, 5-10 parts
Sodium chloride and 50-60 parts of water.
6. as claimed in claim 1 can degree of spinning antistatic hemp high preparation method, it is characterised in that step (3)
Described in the quality of composite enzyme solution be 10-15 times of hemp quality.
7. as claimed in claim 1 can degree of spinning antistatic hemp high preparation method, it is characterised in that step (4)
Described in composite antistatic agent be made up of following parts by weight component：Dimethyl terephthalate (DMT) 12-20 parts, modified poly (ethylene glycol)
15-20 parts, 3-5 parts, glycerine 8-12 parts, zinc acetate 8-10 parts, NPE 1-3 parts of stearic acid sodium and polyoxypropylene
Glycerin ether 1-3 parts.
8. as claimed in claim 7 can degree of spinning antistatic hemp high preparation method, it is characterised in that it is described modified
The preparation method of polyethylene glycol is：
During polyethylene glycol, dimethylolpropionic acid and water added into reaction vessel, acid regulation PH to 4-5, in reacting 2- at 70-80 DEG C
After 4 hours, dimethylbenzene, 90 DEG C of distillation dehydrations are added, until being steamed there is no moisture, stop reaction, residue is modified poly-
Ethylene glycol.
9. as claimed in claim 8 can degree of spinning antistatic hemp high preparation method, it is characterised in that the poly- second
The mean molecule quantity of glycol is 400 or 600.
10. as claimed in claim 8 can degree of spinning antistatic hemp high preparation method, it is characterised in that it is described poly-
The mass ratio of ethylene glycol, dimethylolpropionic acid and water is 1:0.2-0.4:4-6.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616316A (en) * | 2018-04-09 | 2021-04-06 | 复兴纤维有限责任公司 | Degumming and scouring of bast materials for textile and pulp quality fiber production |
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| CN104480542A (en) * | 2014-11-05 | 2015-04-01 | 桐乡市天洋纺织有限公司 | Production technology for flax fiber |
| CN106087075A (en) * | 2016-07-12 | 2016-11-09 | 宜宾长顺竹木产业有限公司 | A kind of production method of the bamboo fiber of good spinnability |
| CN106567138A (en) * | 2016-10-27 | 2017-04-19 | 青岛大学 | Refined processing method of hemp fiber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616316A (en) * | 2018-04-09 | 2021-04-06 | 复兴纤维有限责任公司 | Degumming and scouring of bast materials for textile and pulp quality fiber production |
| EP3765659A4 (en) * | 2018-04-09 | 2022-06-01 | Renaissance Fiber, LLC | Degumming and scouring of bast material for production of textile and pulp-quality fiber |
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