CN108642855A - The low alkali technique of the low acid of crofting - Google Patents
The low alkali technique of the low acid of crofting Download PDFInfo
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- CN108642855A CN108642855A CN201810651488.2A CN201810651488A CN108642855A CN 108642855 A CN108642855 A CN 108642855A CN 201810651488 A CN201810651488 A CN 201810651488A CN 108642855 A CN108642855 A CN 108642855A
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- Prior art keywords
- low
- acid
- crofting
- concentration
- hydrogen peroxide
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000002253 acid Substances 0.000 title claims abstract description 30
- 239000003513 alkali Substances 0.000 title claims abstract description 29
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004061 bleaching Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 238000005554 pickling Methods 0.000 claims abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 230000008595 infiltration Effects 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 235000017550 sodium carbonate Nutrition 0.000 claims description 7
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 claims description 6
- 229960002218 sodium chlorite Drugs 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 238000009897 hydrogen peroxide bleaching Methods 0.000 claims description 5
- 235000010344 sodium nitrate Nutrition 0.000 claims description 5
- 239000004317 sodium nitrate Substances 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 2
- 239000005864 Sulphur Substances 0.000 claims 2
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 9
- 241000208202 Linaceae Species 0.000 abstract description 8
- 235000004431 Linum usitatissimum Nutrition 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- -1 soda acid Chemical class 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 150000007516 brønsted-lowry acids Chemical class 0.000 description 2
- 150000007528 brønsted-lowry bases Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- 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
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
- D06L4/26—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide combined with specific additives
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
- D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic Table
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to a kind of low alkali techniques of the low acid of crofting, it belongs to flax processing technology field.Flax roving is first carried out pickling by the present invention, rove is subjected to low sour high temperature Asia drift processing again, then rove is subjected to low-temperature low-alkali oxygen bleaching bleaching, finally by rove washes clean, the present invention uses the low alkali bleaching process of low acid, can reduce the degree of injury of soda acid and hydrogen peroxide to fiber, and entire technique uses the low alkali technique of low acid, pollution treatment difficulty can be reduced, has improvement to environmental protection.
Description
Technical field
The present invention relates to a kind of low alkali techniques of the low acid of crofting, can effectively improve the quality of line, especially strength
Be obviously improved, be it is a kind of first carrying out low sour high temperature Asia drift processing to flax roving, then carry out low-temperature low-alkali oxygen bleaching bleaching process, it is main
To be applied to the production of crofting yarn process, it belongs to flax processing technology field.
Background technology
Because of flax characteristic：Impurity divides low more, and the hardness of yarn is high, elongation is low；To remove impurity, the general use of drift is boiled
Stronger Asia oxygen bleaching process is to improve division and the spinnability of fiber.
Since conventional sub- oxygen bleaching process is reacted under the conditions of higher bronsted lowry acids and bases bronsted lowry, have to fiber a degree of
Damage causes fiber short down more and causes strength to decline and increase with numb particle.
Publication date is on 04 06th, 2016, in the Chinese patent of Publication No. 103966672B, discloses a kind of title
For the patent of invention of " flax soda boiling high temperature Asia bleaching process ".The patent first carries out soda boiling degumming to flaxen fiber, then carries out high temperature
Sub- bleaching process carries out chlorite bleaching to flaxen fiber, and using dechlorination, flax fiber degumming and bleaching process is completed in washing.Although
The patent is small to fibre damage, and impurity elimination is abundant, and soft yarns improve, but are reacted under the conditions of higher bronsted lowry acids and bases bronsted lowry,
There is a degree of damage to fiber, causes fiber short down more and cause strength to decline and increase with numb particle, therefore it still exists
Drawbacks described above.
Therefore, a kind of reduction soda acid of raising and hydrogen peroxide can reduce pollution treatment difficulty, have to environmental protection to the degree of injury of fiber
The low alkali technique of the low acid of improved crofting, it appears particularly necessary.
Invention content
It is an object of the invention to overcome above-mentioned deficiency existing in the prior art, and a kind of rational technology is provided, not dropped
It under the premise of low line whiteness, improves the strength of yarn while reducing the particle of yarn, first carry out low sour high temperature Asia drift processing, then
The low alkali technique of the low acid of crofting of low-temperature low-alkali oxygen bleaching bleaching is carried out again.
Technical solution is used by the present invention solves the above problems：The low alkali technique of the low acid of the crofting, feature exist
In：Apply in crofting yarn process the specific steps are：
（1）Pickling：Using 98% sulfuric acid, infiltration refining agent, handled 20 minutes under the conditions of 30 DEG C；
（2）Asia drift：Using 98% sulfuric acid, infiltration refining agent, 31% sodium chlorite, sodium nitrate, 65 DEG C are raised to 1 DEG C/minute from 30 DEG C,
It is handled 30 minutes under the conditions of 65 DEG C；
（3）Washing is clean；
（4）Oxygen bleaching：Using 98% soda ash, sodium silicate, 27.5% hydrogen peroxide, hydrogen peroxide bleaching stabilizer and chelated dispersants, with 1 DEG C/minute from
40 DEG C are raised to 80 DEG C, are handled 30 minutes under the conditions of 80 DEG C；
（5）Washing is clean.
Preferably, step of the present invention（1）In, a concentration of 1.5g/L of use of 98% sulfuric acid.
Preferably, step of the present invention（1）In, permeate a concentration of 1.0g/L of use of refining agent.
Preferably, step of the present invention（2）In, a concentration of 0.5g/L of use of 98% sulfuric acid.
Preferably, step of the present invention（2）In, permeate a concentration of 0.5g/L of use of refining agent.
Preferably, step of the present invention（2）In, a concentration of 9.0g/L of use of 31% sodium chlorite.
Preferably, step of the present invention（2）In, a concentration of 1.5g/L of use of sodium nitrate.
Preferably, step of the present invention（4）In, a concentration of 4.0g/L of use of 98% soda ash；The use of sodium silicate is dense
Degree is 3.0g/L；A concentration of 5.5g/L of use of 27.5% hydrogen peroxide；A concentration of 1.0g/L of use of hydrogen peroxide bleaching stabilizer；Chelating point
A concentration of 0.5g/L of use of powder.
Preferably, pickling process of the present invention uses bath raio for 1：7.
Preferably, 98% sulfuric acid of the present invention, 31% sodium chlorite, the percentage of 98% soda ash and 27.5% hydrogen peroxide are equal
It is weight percentage.
Compared with prior art, the present invention haing the following advantages and effect：1, it using the low alkali bleaching process of low acid, can reduce
The degree of injury of soda acid and hydrogen peroxide to fiber；2, since entire technique uses the low alkali technique of low acid, pollution treatment difficulty can be reduced, it is right
Environmental protection has improvement.
Specific implementation mode
Below by embodiment, the present invention is described in further detail, following embodiment be explanation of the invention and
The invention is not limited in following embodiments.
Embodiment.
In the present embodiment, by taking L36Nm as an example, the low alkali technique of the low acid of crofting is applied in crofting yarn process
Detailed process it is as follows.
（1）Pickling：Bath raio 1：7, use the infiltration for using a concentration of 1.5g/L for 98% sulfuric acid and using a concentration of 1.0g/L
Refining agent LUN（Hensel steps）, handled 20 minutes under the conditions of 30 DEG C.
（2）Asia drift：Using the infiltration refining agent LUN for using 98% sulfuric acid of a concentration of 0.5g/L, using a concentration of 0.5g/L
（Hensel steps）, using a concentration of 9.0g/L 31% sodium chlorite and using a concentration of 1.5g/L sodium nitrate, with 1 DEG C/minute from 30
DEG C 65 DEG C are raised to, are handled 30 minutes under the conditions of 65 DEG C；pH=3.5.
（3）Washing is clean.
（4）Oxygen bleaching：Using using 98% soda ash of a concentration of 4.0g/L, the sodium silicate for using a concentration of 3.0g/L, use
27.5% hydrogen peroxide of a concentration of 5.5g/L, the hydrogen peroxide bleaching stabilizer EVP using a concentration of 1.0g/L（Bu Saite）It is a concentration of with using
The chelated dispersants ZB of 0.5g/L（Bu Saite）, 80 DEG C are raised to 1 DEG C/minute from 40 DEG C, is handled 30 minutes under the conditions of 80 DEG C；pH=
9.5-9.0。
（5）Washing is clean.
98% sulfuric acid of the present embodiment, 31% sodium chlorite, 98% soda ash and 27.5% hydrogen peroxide percentage be weight hundred
Divide ratio.
Washing process uses traditional washing washing process after the drift of the present embodiment.
The present embodiment improves the quality of yarn by high sub- low oxygen process, specifically：1）Asia drift is using low sour high-temperature and high concentration
To carry out --- low acid need to use raising temperature side to keep sub- drift reaction abundant, and in addition Asia drift is opposite to the damage of fiber wants small, can adopt
With sub- drift dosage is increased to improve fiber division, to provide condition to reduce oxygen bleaching；2）Oxygen bleaching uses low alkali Low Drift Temperature, due to
Asia drift has aggravated, and under the premise of can reducing oxygen bleaching degree without influencing whiteness, reduces the excessive division and damage to fiber as possible
And it reduces numb grain and improves strength.
Flax roving is first carried out pickling by the present embodiment technique, then rove is carried out low sour high temperature Asia drift processing, then will
Rove carries out low-temperature low-alkali oxygen bleaching bleaching, finally by rove washes clean；The process characteristic：Compared with normal process reduction acid alkali
With dioxygen water, to mitigate the damage of soda acid and hydrogen peroxide to fiber.
By above-mentioned elaboration, those skilled in the art can implement.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Claiming etc. can be different, described in this specification above content is only to structure of the invention example explanation.It is all according to
The equivalence changes or simple change done according to the structure, feature and principle described in inventional idea of the present invention, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do described specific embodiment various
The modify or supplement or adopt similar mode of various kinds substitutes, and without departing from structure of the invention or surmounts present claims
Range defined in book, is within the scope of protection of the invention.
Claims (10)
1. a kind of low alkali technique of the low acid of crofting, it is characterised in that：Apply in crofting yarn process the specific steps are：
（1）Pickling：Using 98% sulfuric acid, infiltration refining agent, handled 20 minutes under the conditions of 30 DEG C；
（2）Asia drift：Using 98% sulfuric acid, infiltration refining agent, 31% sodium chlorite, sodium nitrate, 65 DEG C are raised to 1 DEG C/minute from 30 DEG C,
It is handled 30 minutes under the conditions of 65 DEG C；
（3）Washing is clean；
（4）Oxygen bleaching：Using 98% soda ash, sodium silicate, 27.5% hydrogen peroxide, hydrogen peroxide bleaching stabilizer and chelated dispersants, with 1 DEG C/minute from
40 DEG C are raised to 80 DEG C, are handled 30 minutes under the conditions of 80 DEG C；
（5）Washing is clean.
2. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（1）In, 98% sulphur
A concentration of 1.5g/L of use of acid.
3. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（1）In, infiltration essence
Refine a concentration of 1.0g/L of use of agent.
4. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（2）In, 98% sulphur
A concentration of 0.5g/L of use of acid.
5. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（2）In, infiltration essence
Refine a concentration of 0.5g/L of use of agent.
6. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（2）In, 31% is sub-
A concentration of 9.0g/L of use of sodium chlorate.
7. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（2）In, sodium nitrate
A concentration of 1.5g/L of use.
8. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The step（4）In, 98% is pure
A concentration of 4.0g/L of use of alkali；A concentration of 3.0g/L of use of sodium silicate；A concentration of 5.5g/L of use of 27.5% hydrogen peroxide；
A concentration of 1.0g/L of use of hydrogen peroxide bleaching stabilizer；A concentration of 0.5g/L of use of chelated dispersants.
9. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：The pickling process uses bath raio
It is 1：7.
10. the low alkali technique of the low acid of crofting according to claim 1, it is characterised in that：98% sulfuric acid, 31% sub- chlorine
The percentage of sour sodium, 98% soda ash and 27.5% hydrogen peroxide is weight percentage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651488.2A CN108642855A (en) | 2018-06-22 | 2018-06-22 | The low alkali technique of the low acid of crofting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651488.2A CN108642855A (en) | 2018-06-22 | 2018-06-22 | The low alkali technique of the low acid of crofting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108642855A true CN108642855A (en) | 2018-10-12 |
Family
ID=63753363
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810651488.2A Pending CN108642855A (en) | 2018-06-22 | 2018-06-22 | The low alkali technique of the low acid of crofting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295735A (en) * | 2018-10-19 | 2019-02-01 | 江苏联发纺织股份有限公司 | A kind of production technology of pure flax cheese |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995021283A1 (en) * | 1994-02-07 | 1995-08-10 | Warwick International Group Limited | Process for bleaching textiles |
| CN1268590A (en) * | 2000-04-26 | 2000-10-04 | 黑龙江金亚纺织集团有限公司 | Flax fancy yarn and its spinning method |
| CN102409414A (en) * | 2011-09-16 | 2012-04-11 | 东嘉麻棉(常州)有限公司 | Short flax fiber degumming and bleaching process |
-
2018
- 2018-06-22 CN CN201810651488.2A patent/CN108642855A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995021283A1 (en) * | 1994-02-07 | 1995-08-10 | Warwick International Group Limited | Process for bleaching textiles |
| CN1268590A (en) * | 2000-04-26 | 2000-10-04 | 黑龙江金亚纺织集团有限公司 | Flax fancy yarn and its spinning method |
| CN102409414A (en) * | 2011-09-16 | 2012-04-11 | 东嘉麻棉(常州)有限公司 | Short flax fiber degumming and bleaching process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295735A (en) * | 2018-10-19 | 2019-02-01 | 江苏联发纺织股份有限公司 | A kind of production technology of pure flax cheese |
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Application publication date: 20181012 |