CN110835852A - High-whiteness grey cloth finishing process - Google Patents
High-whiteness grey cloth finishing process Download PDFInfo
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- CN110835852A CN110835852A CN201810925479.8A CN201810925479A CN110835852A CN 110835852 A CN110835852 A CN 110835852A CN 201810925479 A CN201810925479 A CN 201810925479A CN 110835852 A CN110835852 A CN 110835852A
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- parts
- auxiliary agent
- enzyme
- grey cloth
- whiteness
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- 239000004744 fabric Substances 0.000 title claims abstract description 42
- 238000007730 finishing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 108090000790 Enzymes Proteins 0.000 claims description 47
- 102000004190 Enzymes Human genes 0.000 claims description 47
- 229940088598 enzyme Drugs 0.000 claims description 47
- 239000012752 auxiliary agent Substances 0.000 claims description 25
- 238000009991 scouring Methods 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 238000009990 desizing Methods 0.000 claims description 16
- 229920001661 Chitosan Polymers 0.000 claims description 15
- 238000004061 bleaching Methods 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 238000010923 batch production Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 7
- 108010059892 Cellulase Proteins 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 6
- 241000208202 Linaceae Species 0.000 claims description 6
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 6
- 229940106157 cellulase Drugs 0.000 claims description 6
- 238000004043 dyeing Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 6
- KEZYHIPQRGTUDU-UHFFFAOYSA-N 2-[dithiocarboxy(methyl)amino]acetic acid Chemical compound SC(=S)N(C)CC(O)=O KEZYHIPQRGTUDU-UHFFFAOYSA-N 0.000 claims description 5
- 108010059820 Polygalacturonase Proteins 0.000 claims description 5
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 239000002736 nonionic surfactant Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000009999 singeing Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 235000017550 sodium carbonate Nutrition 0.000 claims description 5
- 238000010025 steaming Methods 0.000 claims description 5
- 239000000675 fabric finishing Substances 0.000 claims 1
- 238000009962 finishing (textile) Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004753 textile Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 150000004676 glycans Chemical class 0.000 description 3
- 229920001282 polysaccharide Polymers 0.000 description 3
- 239000005017 polysaccharide Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920002101 Chitin Polymers 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036782 biological activation Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- -1 ethyl butyl Chemical group 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- 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
- D06L4/40—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
-
- 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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- 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
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Detergent Compositions (AREA)
- Coloring (AREA)
Abstract
The invention relates to a high-whiteness grey cloth finishing process, and belongs to the technical field of textile manufacturing. The invention aims to provide a high-whiteness grey cloth finishing process, which is simple in preparation method, high in environmental protection performance of the prepared grey cloth, simple in process, low in production cost, nontoxic and harmless in adopted raw materials, environment-friendly and pollution-free.
Description
Technical Field
The invention relates to a high-whiteness grey cloth finishing process, and belongs to the technical field of textile manufacturing.
Background
The grey cloth is natural color cotton cloth for printing and dyeing processing. Industrial grey fabrics are generally referred to as fabrics, or laminated, sized, etc. The traditional cloth splicing finishing process has the defects of high cost, large sewage discharge amount, BOD (biochemical oxygen demand) in water, high COD (chemical oxygen demand), high treatment cost, increased environmental burden, complex working procedures, relative waste of labor and time, large consumption of steam, water and electricity and high energy consumption due to the large use of alkali and surfactant. The chlorine bleach is harmful to human body and pollutes air.
The chitosan is prepared by extracting chitin as a raw material, is insoluble in water, can be dissolved in dilute acid, and can be absorbed by a human body. Chitosan is a primary derivative of chitin. The chemical structure of the polysaccharide is a high molecular basic polysaccharide polymer with cations, and the polysaccharide has unique physical and chemical properties and biological activation function. The composite material of chitosan and esters can effectively improve the flexibility, tensile strength, environmental protection performance and environmental protection performance of the textile grey cloth.
Disclosure of Invention
The invention aims to provide a high-whiteness grey cloth finishing process, which is simple in preparation method, high in environmental protection performance of the prepared grey cloth, simple in process, low in production cost, nontoxic and harmless in adopted raw materials, environment-friendly and pollution-free.
The invention provides a high-whiteness grey cloth finishing process, which comprises the following process steps: singeing grey cloth → washing → cold batch → washing → oxygen bleaching → dyeing → fixation → washing → drying; wherein, a desizing enzyme auxiliary agent is adopted in the cold batch process; the oxygen bleaching process adopts a scouring enzyme assistant, the color fixing process is to use glacial acetic acid to adjust the pH value of a dye bath to 5.6-6, the color-fixed all-cotton grey cloth is subjected to color fixing agent removal treatment, the treatment temperature is controlled to be 111-115 ℃, and the treatment time is 30-40 minutes; the cold-batch process is to roll and desize the enzyme auxiliary agent under the condition that the water temperature is controlled to be 50-60 ℃, the mangle expression is 90-100%, the fabric is rolled and soaked twice, and meanwhile, the fabric is coiled and rotated on an A-shaped frame, 8 revolutions per minute and is piled for 20-24 hours at normal temperature; the desizing enzyme auxiliary is prepared from the following raw materials in percentage by weight:
3-5 parts of desizing enzyme;
10-15 parts of flax degumming enzyme;
0.5-2 parts of neutral cellulase;
10-15 parts of butyl ethacrylate-chitosan composite material;
3-5 parts of a high-efficiency penetrating agent;
63-68.5 parts of distilled water.
As a further improvement of the invention, the oxygen bleaching process refers to the step of soaking, rolling and scouring enzyme auxiliary agent at normal temperature, wherein the temperature of the scouring enzyme auxiliary agent is 40-50 ℃, and then steaming is carried out for 60 minutes at 100-102 ℃.
As a further improvement of the invention, the scouring enzyme auxiliary agent is prepared from the following raw materials in percentage by weight:
47-60 parts of sodium metasilicate pentahydrate;
5-10 parts of alkaline pectinase;
27-30 parts of soda ash;
10-15 parts of chitosan;
5-8 parts of a nonionic surfactant;
3-5 parts of a chelating dispersant.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts desizing enzyme, flax degumming enzyme, neutral cellulase, ethyl butyl acrylate-chitosan composite material and other components, so that the textile grey cloth has the characteristics of high film resistance, strong flexibility, good environmental protection and the like, and the chitosan in the formula has chelating property, so that the environmental protection performance of the grey cloth can be greatly improved;
2. the preparation process has short flow time, low operation cost and no environmental pollution of the used reagent, solves the problem that the discharged sewage pollutes the environment in the traditional process, and is environment-friendly.
Detailed Description
Example 1:
the invention provides a high-whiteness grey cloth finishing process, which comprises the following process steps: singeing grey cloth → washing → cold batch → washing → oxygen bleaching → dyeing → fixation → washing → drying; wherein, a desizing enzyme auxiliary agent is adopted in the cold batch process; the oxygen bleaching process adopts a scouring enzyme assistant, the color fixing process is to use glacial acetic acid to adjust the pH value of a dye bath to 5.6-6, the color-fixed all-cotton grey cloth is subjected to color fixing agent removal treatment, the treatment temperature is controlled to be 111-115 ℃, and the treatment time is 30-40 minutes; the cold-batch process is to roll and desize the enzyme auxiliary agent under the condition that the water temperature is controlled to be 50-60 ℃, the mangle expression is 90-100%, the fabric is rolled and soaked twice, and meanwhile, the fabric is coiled and rotated on an A-shaped frame, 8 revolutions per minute and is piled for 20-24 hours at normal temperature; the desizing enzyme auxiliary is prepared from the following raw materials in percentage by weight:
3 parts of desizing enzyme;
10 parts of flax degumming enzyme;
0.5 part of neutral cellulase;
10 parts of butyl ethacrylate-chitosan composite material;
3 parts of a high-efficiency penetrating agent;
68.5 parts of distilled water.
As a further improvement of the invention, the oxygen bleaching process refers to the step of soaking, rolling and scouring enzyme auxiliary agent at normal temperature, wherein the temperature of the scouring enzyme auxiliary agent is 40-50 ℃, and then steaming is carried out for 60 minutes at 100-102 ℃.
As a further improvement of the invention, the scouring enzyme auxiliary agent is prepared from the following raw materials in percentage by weight:
47 parts of sodium metasilicate pentahydrate;
5 parts of alkaline pectinase;
27 parts of soda ash;
10 parts of chitosan;
5 parts of a nonionic surfactant;
5 parts of chelating dispersant.
Example 2:
the invention provides a high-whiteness grey cloth finishing process, which comprises the following process steps: singeing grey cloth → washing → cold batch → washing → oxygen bleaching → dyeing → fixation → washing → drying; wherein, a desizing enzyme auxiliary agent is adopted in the cold batch process; the oxygen bleaching process adopts a scouring enzyme assistant, the color fixing process is to use glacial acetic acid to adjust the pH value of a dye bath to 5.6-6, the color-fixed all-cotton grey cloth is subjected to color fixing agent removal treatment, the treatment temperature is controlled to be 111-115 ℃, and the treatment time is 30-40 minutes; the cold-batch process is to roll and desize the enzyme auxiliary agent under the condition that the water temperature is controlled to be 50-60 ℃, the mangle expression is 90-100%, the fabric is rolled and soaked twice, and meanwhile, the fabric is coiled and rotated on an A-shaped frame, 8 revolutions per minute and is piled for 20-24 hours at normal temperature; the desizing enzyme auxiliary is prepared from the following raw materials in percentage by weight:
5 parts of desizing enzyme;
15 parts of flax degumming enzyme;
2 parts of neutral cellulase;
15 parts of butyl ethacrylate-chitosan composite material;
5 parts of a high-efficiency penetrating agent;
63 parts of distilled water.
As a further improvement of the invention, the oxygen bleaching process refers to the step of soaking, rolling and scouring enzyme auxiliary agent at normal temperature, wherein the temperature of the scouring enzyme auxiliary agent is 40-50 ℃, and then steaming is carried out for 60 minutes at 100-102 ℃.
As a further improvement of the invention, the scouring enzyme auxiliary agent is prepared from the following raw materials in percentage by weight:
60 parts of sodium metasilicate pentahydrate;
10 parts of alkaline pectinase;
30 parts of soda ash;
15 parts of chitosan;
8 parts of a nonionic surfactant;
3 parts of chelating dispersant.
Example 3:
the invention provides a high-whiteness grey cloth finishing process, which comprises the following process steps: singeing grey cloth → washing → cold batch → washing → oxygen bleaching → dyeing → fixation → washing → drying; wherein, a desizing enzyme auxiliary agent is adopted in the cold batch process; the oxygen bleaching process adopts a scouring enzyme assistant, the color fixing process is to use glacial acetic acid to adjust the pH value of a dye bath to 5.6-6, the color-fixed all-cotton grey cloth is subjected to color fixing agent removal treatment, the treatment temperature is controlled to be 111-115 ℃, and the treatment time is 30-40 minutes; the cold-batch process is to roll and desize the enzyme auxiliary agent under the condition that the water temperature is controlled to be 50-60 ℃, the mangle expression is 90-100%, the fabric is rolled and soaked twice, and meanwhile, the fabric is coiled and rotated on an A-shaped frame, 8 revolutions per minute and is piled for 20-24 hours at normal temperature; the desizing enzyme auxiliary is prepared from the following raw materials in percentage by weight:
4 parts of desizing enzyme;
12 parts of flax degumming enzyme;
1.5 parts of neutral cellulase;
12 parts of butyl ethacrylate-chitosan composite material;
4 parts of a high-efficiency penetrating agent;
and 65 parts of distilled water.
As a further improvement of the invention, the oxygen bleaching process refers to the step of soaking, rolling and scouring enzyme auxiliary agent at normal temperature, wherein the temperature of the scouring enzyme auxiliary agent is 40-50 ℃, and then steaming is carried out for 60 minutes at 100-102 ℃.
As a further improvement of the invention, the scouring enzyme auxiliary agent is prepared from the following raw materials in percentage by weight:
55 parts of sodium metasilicate pentahydrate;
8 parts of alkaline pectinase;
28 parts of soda ash;
13 parts of chitosan;
7 parts of a nonionic surfactant;
4 parts of chelating dispersant.
Claims (3)
1. A high-whiteness gray fabric finishing process is characterized by comprising the following steps: the method comprises the following process steps: singeing grey cloth → washing → cold batch → washing → oxygen bleaching → dyeing → fixation → washing → drying; wherein, a desizing enzyme auxiliary agent is adopted in the cold batch process; the oxygen bleaching process adopts a scouring enzyme assistant, the color fixing process is to use glacial acetic acid to adjust the pH value of a dye bath to 5.6-6, the color-fixed all-cotton grey cloth is subjected to color fixing agent removal treatment, the treatment temperature is controlled to be 111-115 ℃, and the treatment time is 30-40 minutes; the cold-batch process is to roll and desize the enzyme auxiliary agent under the condition that the water temperature is controlled to be 50-60 ℃, the mangle expression is 90-100%, the fabric is rolled and soaked twice, and meanwhile, the fabric is coiled and rotated on an A-shaped frame, 8 revolutions per minute and is piled for 20-24 hours at normal temperature; the desizing enzyme auxiliary is prepared from the following raw materials in percentage by weight:
3-5 parts of desizing enzyme;
10-15 parts of flax degumming enzyme;
0.5-2 parts of neutral cellulase;
10-15 parts of butyl ethacrylate-chitosan composite material;
3-5 parts of a high-efficiency penetrating agent;
63-68.5 parts of distilled water.
2. The finishing process of a high-whiteness gray fabric according to claim 1, which comprises: the oxygen bleaching process refers to the step of soaking, rolling and scouring enzyme auxiliary agent at normal temperature, wherein the temperature of the scouring enzyme auxiliary agent is 40-50 ℃, and then steaming is carried out for 60 minutes at the temperature of 100-102 ℃.
3. The finishing process of a high-whiteness gray fabric according to claim 2, which comprises: the scouring enzyme auxiliary agent is prepared from the following raw materials in percentage by weight:
47-60 parts of sodium metasilicate pentahydrate;
5-10 parts of alkaline pectinase;
27-30 parts of soda ash;
10-15 parts of chitosan;
5-8 parts of a nonionic surfactant;
3-5 parts of a chelating dispersant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925479.8A CN110835852A (en) | 2018-08-15 | 2018-08-15 | High-whiteness grey cloth finishing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925479.8A CN110835852A (en) | 2018-08-15 | 2018-08-15 | High-whiteness grey cloth finishing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110835852A true CN110835852A (en) | 2020-02-25 |
Family
ID=69572965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810925479.8A Withdrawn CN110835852A (en) | 2018-08-15 | 2018-08-15 | High-whiteness grey cloth finishing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110835852A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705521A (en) * | 2020-06-08 | 2020-09-25 | 江苏欣捷衬布有限公司 | Method for preparing extra white lining cloth by one-step method of dividing net |
| CN115897211A (en) * | 2022-04-01 | 2023-04-04 | 杭州桑瑞斯新材料有限公司 | Environment-friendly fabric enzyme stacking and oxygen bleaching process and application thereof |
-
2018
- 2018-08-15 CN CN201810925479.8A patent/CN110835852A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111705521A (en) * | 2020-06-08 | 2020-09-25 | 江苏欣捷衬布有限公司 | Method for preparing extra white lining cloth by one-step method of dividing net |
| CN115897211A (en) * | 2022-04-01 | 2023-04-04 | 杭州桑瑞斯新材料有限公司 | Environment-friendly fabric enzyme stacking and oxygen bleaching process and application thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200225 |
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| WW01 | Invention patent application withdrawn after publication |