CN112593409A - Scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabric thereof and scouring and bleaching process - Google Patents
Scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabric thereof and scouring and bleaching process Download PDFInfo
- Publication number
- CN112593409A CN112593409A CN202011411985.9A CN202011411985A CN112593409A CN 112593409 A CN112593409 A CN 112593409A CN 202011411985 A CN202011411985 A CN 202011411985A CN 112593409 A CN112593409 A CN 112593409A
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- China
- Prior art keywords
- scouring
- bleaching
- cotton
- steaming
- knitted fabrics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004061 bleaching Methods 0.000 title claims abstract description 67
- 238000009991 scouring Methods 0.000 title claims abstract description 57
- 239000004744 fabric Substances 0.000 title claims abstract description 55
- 238000010025 steaming Methods 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 229920000742 Cotton Polymers 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 230000002328 demineralizing effect Effects 0.000 claims abstract description 32
- 238000007670 refining Methods 0.000 claims abstract description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- 239000013527 degreasing agent Substances 0.000 claims abstract description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 30
- 150000007942 carboxylates Chemical class 0.000 claims description 24
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 21
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 21
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 20
- 239000008367 deionised water Substances 0.000 claims description 20
- 229910021641 deionized water Inorganic materials 0.000 claims description 20
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 20
- -1 polyoxyethylene Polymers 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 16
- RGHNJXZEOKUKBD-SQOUGZDYSA-N Gluconic acid Natural products OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 12
- DTCCVIYSGXONHU-CJHDCQNGSA-N (z)-2-(2-phenylethenyl)but-2-enedioic acid Chemical compound OC(=O)\C=C(C(O)=O)\C=CC1=CC=CC=C1 DTCCVIYSGXONHU-CJHDCQNGSA-N 0.000 claims description 10
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000174 gluconic acid Substances 0.000 claims description 10
- 235000012208 gluconic acid Nutrition 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 9
- 150000001733 carboxylic acid esters Chemical class 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 8
- 230000003472 neutralizing effect Effects 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000005237 degreasing agent Methods 0.000 claims description 3
- 102000004190 Enzymes Human genes 0.000 claims description 2
- 108090000790 Enzymes Proteins 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims 2
- 239000007844 bleaching agent Substances 0.000 claims 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 21
- 230000005588 protonation Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000002738 chelating agent Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 239000012224 working solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 102100035687 Bile salt-activated lipase Human genes 0.000 description 1
- 101710130200 Bile salt-activated lipase Proteins 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical class [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- D—TEXTILES; PAPER
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- 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
- 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
- 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
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- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
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- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
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- 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
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- 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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- 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
- D06M13/165—Ethers
- D06M13/17—Polyoxyalkyleneglycol ethers
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- 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
- D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
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- 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
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
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- 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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
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- 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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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The invention discloses scouring and bleaching liquid and a scouring and bleaching process for continuous steaming of cotton and blended knitted fabrics thereof, wherein the scouring and bleaching liquid comprises 4-10g/L of refining and deoiling agent, 2-4g/L of protonized demineralizing agent and 100% H2O25-15g/L, and 6-12g/L of 98% caustic soda. The scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabrics of the invention only comprises a protonation demineralizing agent, a refining degreaser, hydrogen peroxide and caustic soda, has simple and flexible process formula, and improves operability and applicability. The type of the product processed by the scouring and bleaching liquid is expanded, most of fibers mixed with cotton fibers can be processed, the scouring and bleaching processing quality of various fabrics and the scouring and bleaching requirements of most of equipment are met, and the quality and the added value are greatly improved.
Description
Technical Field
The invention relates to scouring and bleaching liquid for continuous steaming of cotton and cotton blended knitted fabrics and a scouring and bleaching process, and belongs to the technical field of knitted fabric processing.
Background
A process for refining and bleaching cotton knitted fabric by continuous steaming is disclosed in Chinese patent ZL201410072441.2, which discloses that a cloth sample is soaked and rolled twice in a refining and bleaching working solution, and the mangle ratio is 80-120%; then piling for 10-40 minutes before steaming at the temperature of 30-80 ℃, and then steaming for 10-40 minutes at the temperature of 100-105 ℃ to finish the scouring and bleaching of the cloth sample. The two-step stacking time in the whole process is 20-80 minutes, so the time is slightly long; when the water quality is poor, the fabric may be broken.
At present, alkali-resistant refining degreasers and protonation demineralizers have a plurality of varieties and poor applicability, particularly environment-friendly products are developed slowly and have few varieties, and most of the products in the market contain surfactants such as alkyl phosphate, alkyl sulfate, organic phosphate, NTA, EDTA and the like and chelating agents. The phosphorus-containing compound can cause eutrophication of water, and the nitrogen-containing and sulfur-containing compounds can cause high ammonia nitrogen and sulfur content in the wastewater, thereby increasing the difficulty of wastewater treatment.
Therefore, there is a need to develop an environment-friendly special refining oil removal agent and a protonation demineralizing agent, which are used for a new continuous steaming, scouring and bleaching process for cotton and blended knitted fabrics thereof, so as to solve the problems of long treatment time of the existing fabrics, possible hole breaking, environmental pollution and the like.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabrics thereof and a scouring and bleaching process.
To is coming toThe refining and bleaching liquid for continuously steaming the cotton and the blended knitted fabric thereof comprises 4-10g/L of refining and oil removing agent, 2-4g/L of protonized demineralizing agent and 100% of H2O25-15g/L, and 6-12g/L of 98% caustic soda.
As an improvement, the refining oil removing agent comprises, by mass, 5-10% of long-chain carboxylic ester polyoxyethylene, 15-30% of isomeric alcohol polyoxyethylene ether carboxylate, 1-5% of isohexane glycol, 1-5% of styrene maleic acid polymer and deionized water added to 100%.
As a refinement, the carbon chain number of the long-chain carboxylic ester polyoxyethylene is 18.
As an improvement, the isomeric alcohol polyoxyethylene ether carboxylate is one of isomeric tridecanol polyoxyethylene ether (E0 ═ 3) carboxylate, isomeric tridecanol polyoxyethylene ether (E0 ═ 5) carboxylate, isomeric tridecanol polyoxyethylene ether (E0 ═ 8) carboxylate or the above components are mixed in any proportion.
As an improvement, the preparation method of the refining oil removing agent comprises the following steps:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 55-65 ℃, adding long-chain carboxylic ester polyoxyethylene and isomeric alcohol polyoxyethylene ether carboxylate, stirring and mixing for 0.5-1h, then adding isohexane glycol, stirring and cooling to 35-45 ℃;
3) finally, adding a styrene maleic acid polymer, and stirring for 0.5h to obtain the styrene maleic acid copolymer.
As an improvement, the protonized demineralizing agent comprises, by mass, 5-10% of gluconic acid, 1-5% of alpha-hydroxypropionic acid, 1-3% of oxalic acid, 5-10% of modified argil and deionized water added to 100%.
As an improvement, the modified argil is nano-scale natural argil modified by calcination.
As an improvement, the preparation method of the protonated demineralizing agent comprises the following steps:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 55-65 ℃, adding gluconic acid, alpha-hydroxypropionic acid and oxalic acid, and stirring and mixing for 1-2 h;
3) then adding the modified argil, stirring for 2-3h at the stirring speed of 1000 r/min, and cooling to 25-40 ℃ to obtain the catalyst.
In addition, the invention also provides a scouring and bleaching process for continuously steaming cotton and cotton blended knitted fabrics, which comprises the following steps:
step one, washing with water at room temperature;
step two, padding the protonized demineralizing agent by 2-4g/L at room temperature, wherein the rolling residual rate is 80-90%;
step three, washing the fabric with water at room temperature, wherein the liquid carrying rate of the fabric after padder is less than 75%;
step four, padding the scouring and bleaching liquid of any one of claims 1 to 8;
step five, steaming at the temperature of 100-104 ℃, wherein the steaming time is 20-40 min;
and step six, washing with hot water at the temperature of 80-90 ℃, washing with cold water, neutralizing and deoxidizing to finish the scouring and bleaching of the fabric.
In the sixth step, specific acid NVM200A is adopted to neutralize and biological oxygen removing enzyme KP is adopted to remove oxygen.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabrics of the invention only comprises a protonation demineralizing agent, a refining degreaser, hydrogen peroxide and caustic soda, has simple and flexible process formula, and improves operability and applicability. The type of the product processed by the scouring and bleaching liquid is expanded, most of fibers mixed with cotton fibers can be processed, the scouring and bleaching processing quality of various fabrics and the scouring and bleaching requirements of most of equipment are met, and the quality and the added value are greatly improved.
2. The protonation demineralizer has excellent protonation and dispersion capacities on iron and copper oxides or hydroxides in fabrics or water under the condition that the pH value is less than 7, and has good complexation on iron ions and copper ions, so that the existence of the iron ions and the copper ions in the processing process is avoided, and the fabric strength reduction or the occurrence of holes caused by the catalysis of cellulose fibers can be effectively prevented; when the protonation demineralizing agent and the refining degreaser are used cooperatively, the effective and uniform decomposition of hydrogen peroxide can be effectively controlled, and the problems of the increase of the content of oxidized fibers of the fabric, the reduction of the strength and the like caused by the ineffective decomposition of the hydrogen peroxide are avoided. Therefore, the strength retention rate of the fabric after scouring and bleaching is high and uniform, and local holes can not be generated.
3. The production process of the protonized demineralizing agent and the refining degreaser is easy to control and safe, and the product meets the environmental protection requirements of REACH, ZDHC, BSSL and OEKO-TEX 100; meanwhile, compounds containing elements such as sulfur, phosphorus, nitrogen, silicon and the like which are unfavorable for the environment are not generated, and the treatment difficulty of the printing and dyeing wastewater is reduced.
Drawings
FIG. 1 is a comparison of decomposition rate curves of different protonated demineralizing agent/chelating agent bleaching solutions to hydrogen peroxide.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Example 1
A scouring and bleaching process for continuous steaming of cotton and blended knitted fabrics thereof comprises the following steps:
step one, washing with room temperature water;
step two, padding protonized demineralizing liquid (protonized demineralizing agent is 2g/L) at room temperature, wherein the rolling residue rate is 90%;
step three, washing with room temperature water, wherein the liquid carrying rate after passing through a padder is 70%;
step four, padding the refining bleaching liquid at room temperature (4 g/L refining oil removal agent, 2g/L protonized demineralizing agent and 100% H)2O25g/L, 98% caustic soda 6g/L), and the rolling residual rate is 95%;
step five, the steaming temperature is 100 ℃, and the steaming time is 20 min;
and sixthly, cleaning with hot water at 80 ℃, cleaning with cold water, neutralizing with specific acid NVM200A and deoxidizing with biological deoxidant KP to finish the scouring and bleaching of the fabric.
The protonized demineralizing agent in the embodiment comprises, by mass, 10% of gluconic acid, 5% of alpha-hydroxypropionic acid, 3% of oxalic acid, 10% of modified pottery clay (calcined and modified nano-scale natural pottery clay) and 72% of deionized water;
the procedure for the preparation of the protonated demineralizing agent of this example is as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 60 ℃, adding gluconic acid, alpha-hydroxypropionic acid and oxalic acid, and stirring and mixing for 1.0 h;
3) then adding the modified pottery clay, stirring for 2 hours at the stirring speed of 1000 revolutions per minute, and cooling to 25 ℃ to obtain a finished product.
The refining oil removal agent in this example includes, by mass, 10% of long-chain carboxylate polyoxyethylene (carbon chain number is 18), 30% of isomeric alcohol polyoxyethylene ether carboxylate (isomeric tridecanol polyoxyethylene ether (E0 ═ 3) carboxylate), 5% of isohexane glycol, 5% of styrene maleic acid polymer, and 50% of deionized water;
the preparation steps of the refining degreaser in the embodiment are as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 60 ℃, adding long-chain carboxylic ester polyoxyethylene and isomeric alcohol polyoxyethylene ether carboxylate, stirring and mixing for 0.5h, then adding isohexane glycol, stirring and cooling to 40 ℃;
3) then adding styrene maleic acid polymer, and stirring for 0.5h to obtain the finished product.
Example 2
A scouring and bleaching process for continuous steaming of cotton and blended knitted fabrics thereof comprises the following steps:
step one, washing with room temperature water;
step two, padding the protonated demineralizing liquid (4 g/L of protonated demineralizing agent) at room temperature, wherein the rolling residue rate is 90%;
step three, washing with room temperature water, wherein the liquid carrying rate after passing through a padder is 70%;
step four, padding the refining bleaching liquid at room temperature (10 g/L refining oil removal agent, 4g/L protonized demineralizing agent and 100 percent H)2O215g/L, 98% caustic soda 12g/L),the rolling residue rate is 85 percent;
step five, the steaming temperature is 102 ℃, and the steaming time is 40 min;
and step six, cleaning with hot water at 90 ℃, cleaning with cold water, neutralizing with special-effect acid NVM200A, and deoxidizing with biological deoxidant KP to finish the scouring and bleaching of the fabric.
The protonized demineralizing agent in the embodiment comprises, by mass, 5% of gluconic acid, 1% of alpha-hydroxypropionic acid, 2% of oxalic acid, 5% of modified pottery clay (calcined and modified nano-scale natural pottery clay) and 87% of deionized water;
the procedure for the preparation of the protonated demineralizing agent of this example is as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 60 ℃, adding gluconic acid, alpha-hydroxypropionic acid and oxalic acid, and stirring and mixing for 1 h;
3) then adding the modified pottery clay, stirring for 2 hours at the stirring speed of 1000 revolutions per minute, and cooling to 30 ℃ to obtain a finished product.
The refining oil removal agent in this example includes, by mass, 5% of long-chain carboxylate polyoxyethylene (carbon chain number is 18), 15% of isomeric alcohol polyoxyethylene ether carboxylate (isomeric tridecanol polyoxyethylene ether (E0 ═ 5) carboxylate), 1% of isohexane glycol, 1% of styrene maleic acid polymer, and 78% of deionized water;
the preparation steps of the refining degreaser in the embodiment are as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 60 ℃, adding long-chain carboxylic ester polyoxyethylene and isomeric alcohol polyoxyethylene ether carboxylate, stirring and mixing for 0.5h, then adding isohexane glycol, stirring and cooling to 45 ℃;
3) then adding styrene maleic acid polymer, and stirring for 0.5h to obtain the finished product.
Example 3
A scouring and bleaching process for continuous steaming of cotton and blended knitted fabrics thereof comprises the following steps:
step one, washing with room temperature water;
step two, padding protonized demineralizing liquid (3 g/L of protonized demineralizing agent) at room temperature, wherein the rolling residue rate is 85 percent;
step three, washing with room temperature water, wherein the liquid carrying rate after passing through a padder is 70%;
step four, padding the refining bleaching liquid at room temperature (8 g/L refining oil removal agent, 3g/L protonized demineralizing agent and 100% H)2O210g/L, 98% caustic soda 10g/L), and the rolling residual rate is 90%;
step five, the steaming temperature is 104 ℃, and the steaming time is 20 min;
and step six, cleaning with hot water at 85 ℃, cleaning with cold water, neutralizing with special-effect acid NVM200A, and deoxidizing with biological deoxidant KP to finish the scouring and bleaching of the fabric.
The protonized demineralizing agent in the embodiment comprises, by mass, 8% of gluconic acid, 2% of alpha-hydroxypropionic acid, 3% of oxalic acid, 8% of modified argil (calcined and modified nano-scale natural argil) and 79% of deionized water;
the procedure for the preparation of the protonated demineralizing agent of this example is as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 60 ℃, adding gluconic acid, alpha-hydroxypropionic acid and oxalic acid, and stirring and mixing for 1 h;
3) then adding the modified pottery clay, stirring for 2 hours at the stirring speed of 1000 revolutions per minute, and cooling to 40 ℃ to obtain a finished product.
The refining oil removal agent in this example includes, by mass, 7% of long-chain carboxylate polyoxyethylene (carbon chain number is 18), 26% of isomeric alcohol polyoxyethylene ether carboxylate (isomeric tridecanol polyoxyethylene ether (E0 ═ 8) carboxylate), 3% of isohexane glycol, 4% of styrene maleic acid polymer, and 60% of deionized water;
the preparation steps of the refining degreaser in the embodiment are as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 60 ℃, adding long-chain carboxylic ester polyoxyethylene and isomeric alcohol polyoxyethylene ether carboxylate, stirring and mixing for 0.5h, then adding isohexane glycol, stirring and cooling to 40 ℃;
3) then adding styrene maleic acid polymer, and stirring for 0.5h to obtain the finished product.
Comparative example 1
The method is carried out on a continuous bleaching steamer in the following sequence:
step one, washing with room temperature water;
step two, padding the protonated demineralizing liquid (chelating agent 580C 3g/L) at room temperature, wherein the rolling residual rate is 85%;
step three, washing with room temperature water, wherein the liquid carrying rate after passing through a padder is 70%;
step four, padding the bleaching liquor at room temperature (6 g/L of refining agent DRB, 2g/L of degreasing agent SF, 10g/L of stabilizer QH-14363g/L, H2O2(100 percent) and 10g/L of caustic soda (98 percent)) to obtain a rolling residual rate of 90 percent;
step five, the steaming temperature is 100 ℃, and the steaming time is 20 min;
step six, cleaning with hot water at 85 ℃, cleaning with cold water, and neutralizing to remove oxygen; finishing the scouring and bleaching of the fabric.
In the comparative example, the chelating agent 580C, the refining agent DRB, the degreasing agent SF and the stabilizing agent QH-1436 are all produced by Zhanyunfeng Fine chemical Co., Ltd, and belong to conventional products sold in the market.
In order to test the effect of the invention on continuous steaming scouring and bleaching of fabrics, 40 pieces of Audalla frame plain cloth is taken as a cloth sample, and the following item test is carried out on the auxiliary agent or scouring and bleaching cloth sample.
(1) Hair effect
Measuring according to FZ/T01071-2008 test method for capillary effect of textiles;
(2) bursting strength
After the fabric is remoistened, the determination is carried out according to GB/T19976 2005 Steel ball method for determining bursting Strength of textiles;
(3) phosphorus, ammonia nitrogen and sulfur content test of working solution
Measuring by using a multi-parameter water quality rapid tester 5B-3B + LH-3BN (Zhejiang. micro-orchid environmental science and technology Co., Ltd.);
(4) decomposition rate of hydrogen peroxide
The content of hydrogen peroxide in the working solution is tested according to GB1616-88 Industrial Hydrogen peroxide;
the decomposition rate of hydrogen peroxide was calculated according to formula (1):
in the formula: v0 represents the volume (mL) of potassium permanganate standard solution consumed by the scouring and bleaching solution just prior to placement; v1 represents the volume (mL) of potassium permanganate standard solution consumed by the bleaching solution at the time of the test;
(5) chelating ability to iron ions
0.1g/L of analytically pure FeCl is taken36H20100ml cups, 0.1g, 0.2g, 0.3g, 0.4g and … … g of demineralizing/chelating agent are added to the cups, respectively, and the mixture is stirred a little and then left to stand, and the chelating value of the product is judged according to the standard that the solution turns colorless from light yellow at 0.5 h.
The pH of the test solutions was adjusted to 4 and 6.5, respectively.
The results of the measurements of the relevant indices according to the above test methods are shown in tables 1, 2, 3, 4 and FIG. 1.
TABLE 1 comparison of the capillary effect (cm/30min) of the fabrics after continuous steaming, scouring and bleaching
| Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| Sampling point 1 | 6.2 | 15.8 | 12.4 | 11.5 |
| Sampling point 2 | 6.1 | 15.6 | 12.4 | 11.2 |
| Sampling point 3 | 6.2 | 15.7 | 12.1 | 11.6 |
| Sampling point 4 | 6.3 | 15.6 | 12.2 | 11.1 |
| Sampling point 5 | 6.1 | 15.6 | 12.4 | 11.4 |
| Sampling point 6 | 6.3 | 15.7 | 12.2 | 11.2 |
| Mean value of | 6.20 | 15.57 | 12.28 | 11.33 |
| Difference value | 0.2 | 0.2 | 0.3 | 0.5 |
TABLE 2 comparison of burst strength (N) of fabrics after continuous steaming, scouring and bleaching
| Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| Sampling point 1 | 310 | 316 | 319 | 306 |
| Sampling point 2 | 320 | 303 | 313 | 317 |
| Sampling point 3 | 316 | 309 | 300 | 310 |
| Sampling point 4 | 312 | 313 | 308 | 307 |
| Sampling point 5 | 302 | 314 | 311 | 294 |
| Sampling point 6 | 314 | 301 | 316 | 310 |
| Mean value of | 312.3 | 309.3 | 311.2 | 307.3 |
| Difference value | 18 | 15 | 19 | 23 |
TABLE 3 comparison of complexing power (mg/g) of different protonated demineralizers to iron ions
| Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| pH＝4.0 | 18.1 | 26.9 | 20.7 | 11.4 |
| pH＝6.5 | 10.6 | 17.3 | 14.8 | 6.9 |
TABLE 4 index of phosphorus and ammonia nitrogen of bleaching liquid
| Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| Phosphorus content (mg/L) | Not detected out | Not detected out | Not detected out | 92 |
| Ammonia nitrogen content (mg/L) | Not detected out | Not detected out | Not detected out | 31 |
| Sulfur content (mg/L) | Not detected out | Not detected out | Not detected out | 18 |
As can be seen from the data in tables 1, 2, 3, 4 and 1, the scouring and bleaching liquid and the scouring and bleaching process for continuously steaming the cotton and the blended knitted fabrics thereof have excellent capillary effect and bursting strength after scouring and bleaching the fabrics and greatly improve the uniformity and the continuity of scouring and bleaching; meanwhile, multiple indexes of the wastewater are reduced, and the requirement of green production is met. In addition, the scouring and bleaching liquid has strong complexing ability to iron ions under acidic and neutral conditions, and is easy to control the effective rate of hydrogen peroxide under alkaline conditions, thereby effectively avoiding the problems of obvious reduction of strength of scouring and bleaching fabrics or occurrence of holes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabrics thereof is characterized in that the scouring and bleaching liquid comprises 4-10g/L of refining and deoiling agent, 2-4g/L of protonized demineralizing agent and 100% of H2O25-15g/L, and 6-12g/L of 98% caustic soda.
2. A scouring and bleaching liquid for continuously steaming cotton and blended knitted fabrics thereof as claimed in claim 1, wherein the scouring and bleaching agent comprises 5-10% of long-chain carboxylic ester polyoxyethylene, 15-30% of isomeric alcohol polyoxyethylene ether carboxylate, 1-5% of isohexane glycol, 1-5% of styrene maleic acid polymer and deionized water added to 100% by mass percent.
3. A scouring and bleaching liquor for continuous steaming of cotton and blended knitted fabrics according to claim 2, characterized in that the carbon chain number of the long-chain carboxylic ester polyoxyethylene is 18.
4. The scouring and bleaching liquor for continuous steaming of cotton and blended knitted fabrics thereof according to claim 2, characterized in that the isomeric alcohol polyoxyethylene ether carboxylate is one of isomeric tridecanol polyoxyethylene ether (E0 ═ 3) carboxylate, isomeric tridecanol polyoxyethylene ether (E0 ═ 5) carboxylate, isomeric tridecanol polyoxyethylene ether (E0 ═ 8) carboxylate or the mixture of the above components in any proportion.
5. A scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabrics according to any one of claims 2 to 4, characterized in that the refining and degreasing agent is prepared by the following method:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 55-65 ℃, adding long-chain carboxylic ester polyoxyethylene and isomeric alcohol polyoxyethylene ether carboxylate, stirring and mixing for 0.5-1h, then adding isohexane glycol, stirring and cooling to 35-45 ℃;
3) finally, adding a styrene maleic acid polymer, and stirring for 0.5h to obtain the styrene maleic acid copolymer.
6. The scouring and bleaching solution for continuous steaming of cotton and blended knitted fabrics thereof as claimed in claim 1, wherein the protonated demineralizing agent comprises 5-10% of gluconic acid, 1-5% of alpha-hydroxypropionic acid, 1-3% of oxalic acid, 5-10% of modified pottery clay and deionized water added to 100% by mass.
7. The scouring and bleaching liquid for continuous steaming of cotton and blended knitted fabrics thereof as claimed in claim 6, wherein the modified china clay is calcined modified nano-scale natural china clay.
8. A scouring and bleaching liquor for continuous steaming of cotton and blended knitted fabrics thereof according to claim 6 or 7, characterized in that the preparation method of the protonated demineralizing agent is as follows:
1) weighing the raw materials according to the formula ratio;
2) adding deionized water into a reaction kettle, heating to 55-65 ℃, adding gluconic acid, alpha-hydroxypropionic acid and oxalic acid, and stirring and mixing for 1-2 h;
3) then adding the modified argil, stirring for 2-3h at the stirring speed of 1000 r/min, and cooling to 25-40 ℃ to obtain the catalyst.
9. A scouring and bleaching process for continuously steaming cotton and blended knitted fabrics thereof is characterized by comprising the following steps:
step one, washing with water at room temperature;
step two, padding the protonized demineralizing agent by 2-4g/L at room temperature, wherein the rolling residual rate is 80-90%;
step three, washing the fabric with water at room temperature, wherein the liquid carrying rate of the fabric after padder is less than 75%;
step four, padding the scouring and bleaching liquid of any one of claims 1 to 8;
step five, steaming at the temperature of 100-104 ℃, wherein the steaming time is 20-40 min;
and step six, washing with hot water at the temperature of 80-90 ℃, washing with cold water, neutralizing and deoxidizing to finish the scouring and bleaching of the fabric.
10. The scouring and bleaching process for continuous steaming of cotton and blended knitted fabrics according to claim 9, characterized in that specific acid NVM200A is adopted in the sixth step to neutralize and remove oxygen by biological oxygen removal enzyme KP.
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