CN113652871B - Multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching and preparation method thereof - Google Patents
Multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching and preparation method thereof Download PDFInfo
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- CN113652871B CN113652871B CN202110962636.4A CN202110962636A CN113652871B CN 113652871 B CN113652871 B CN 113652871B CN 202110962636 A CN202110962636 A CN 202110962636A CN 113652871 B CN113652871 B CN 113652871B
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- bleaching
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- 238000009991 scouring Methods 0.000 title claims abstract description 57
- 238000004061 bleaching Methods 0.000 title claims abstract description 31
- 229920000742 Cotton Polymers 0.000 title claims abstract description 29
- 238000010025 steaming Methods 0.000 title claims abstract description 26
- 238000009940 knitting Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 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 abstract description 10
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 10
- 239000011734 sodium Substances 0.000 claims abstract description 10
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 18
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 18
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 18
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 18
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 9
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 9
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 9
- 239000000176 sodium gluconate Substances 0.000 claims description 9
- 235000012207 sodium gluconate Nutrition 0.000 claims description 9
- 229940005574 sodium gluconate Drugs 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229940080258 tetrasodium iminodisuccinate Drugs 0.000 claims description 8
- GYBINGQBXROMRS-UHFFFAOYSA-J tetrasodium;2-(1,2-dicarboxylatoethylamino)butanedioate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CC(C([O-])=O)NC(C([O-])=O)CC([O-])=O GYBINGQBXROMRS-UHFFFAOYSA-J 0.000 claims description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 27
- 239000004744 fabric Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 15
- 239000006260 foam Substances 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 6
- 239000004094 surface-active agent Substances 0.000 abstract description 6
- 239000004753 textile Substances 0.000 abstract description 5
- 239000013522 chelant Substances 0.000 abstract description 4
- 229920000642 polymer Polymers 0.000 abstract description 4
- 239000003381 stabilizer Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000006184 cosolvent Substances 0.000 abstract description 2
- 238000005238 degreasing Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000001804 emulsifying effect Effects 0.000 abstract description 2
- 229910017053 inorganic salt Inorganic materials 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- 238000004043 dyeing Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009920 chelation Effects 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JPZROSNLRWHSQQ-UHFFFAOYSA-N furan-2,5-dione;prop-2-enoic acid Chemical compound OC(=O)C=C.O=C1OC(=O)C=C1 JPZROSNLRWHSQQ-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- SZDRZMKKMAXBHS-UHFFFAOYSA-L disodium 2-(1,2-dicarboxyethylamino)butanedioate Chemical compound N(C(C(=O)O)CC(=O)O)C(C(=O)[O-])CC(=O)[O-].[Na+].[Na+] SZDRZMKKMAXBHS-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004048 vat dyeing Methods 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
- 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
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- 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
-
- 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
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching and a preparation method thereof, and the multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching comprises the following raw materials in parts by weight: comprises 8-12% of environment-friendly phosphorus-free chelating dispersant, 20-30% of low-foam surfactant, 2-5% of cosolvent, 1-3% of functional auxiliary agent, 15-25% of hydrogen peroxide stabilizer and 25-54% of deionized water; the invention is made up of many high molecular polymer keep-fit phosphorus-free chelate dispersing agent, polyhydroxy carboxylic acid sodium and high-efficient multi-functional scouring agent compounded with low-foam surface active agent and inorganic salt, the preparation method is simple, the multi-functional scouring agent which collects scouring penetration, degreasing, emulsifying dispersion, hydrogen peroxide stabilization into an organic whole, accord with OEKO-TEX100 environment-friendly textile chemical requirement, have excellent chelate dispersing ability, give good whiteness and capillary effect to the fabric, obtain the high-efficient stable scouring effect.
Description
Technical Field
The invention relates to the field of textile auxiliaries, in particular to a multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching and a preparation method thereof.
Background
The cotton knitted fabric has the performances of easy stretching, easy deformation, easy crease generation, poor hemming and dimensional stability and the like, so the traditional scouring and bleaching pretreatment generally adopts a loose processing mode. The pretreatment of cotton knitted fabric is a basic procedure in dyeing and finishing process, and mainly aims to remove various impurities on the fabric, improve the wettability and whiteness of the fabric and provide satisfactory semi-finished products for subsequent processing (dyeing, printing and the like). At present, dyeing mills still commonly adopt overflow vat dyeing machines for scouring and bleaching, and the traditional process generally needs caustic soda, hydrogen peroxide and some surfactants to be treated at the temperature of 95-98 ℃, so that the problems of long processing time, large energy consumption, high water consumption, large fabric damage, large amount of discharged sewage impurities, higher COD value, high sewage treatment cost and the like exist. The long-vehicle open-width steaming scouring and bleaching process has wide development prospect, is one of the main development directions of printing and dyeing production and processing technology, is an important technical approach for pushing energy-saving and emission-reducing processes at present, and simultaneously, the cotton knitting continuous steaming scouring and bleaching process has greatly reduced processing time, water consumption and steam consumption, energy conservation and COD emission reduction, and is worth popularizing greatly.
Disclosure of Invention
The invention aims to provide a multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching comprises 8-12% of environment-friendly phosphorus-free chelating dispersant, 20-30% of low-foam surfactant, 2-5% of cosolvent, 1-3% of functional auxiliary agent, 15-25% of hydrogen peroxide stabilizer and 25-54% of deionized water, and is characterized by comprising the following components in parts by mass:
the environment-friendly phosphorus-free chelating dispersant is one or a plurality of combinations of 5-12 parts of tetrasodium iminodisuccinate, 5-10 parts of sodium gluconate and 5-12 parts of maleic anhydride and acrylic acid copolymer (molecular weight 5000);
the low-foam surfactant is formed by mixing 15-25 parts of isomeric tridecanol polyoxyethylene ether (5 EO) and 5-15 parts of isomeric tridecanol polyoxyethylene ether (6 EO) according to a weight ratio of 2:1;
the hydrogen peroxide stabilizer comprises 15-30 parts of modified polyhydroxycarboxylic acid sodium and 2-8 parts of magnesium sulfate;
the usage amount of the functional auxiliary agent is 1.0 percent of the total mass of the disodium iminodisuccinate, the sodium gluconate, the copolymer of maleic anhydride and acrylic acid (molecular weight of 5000), the isomeric tridecanol polyoxyethylene ether (5 EO) and the isomeric tridecanol polyoxyethylene ether (6 EO), the sodium polyhydroxycarboxylate, the magnesium sulfate and the water.
Still further aspects are as follows: the adhesive comprises the following raw materials in parts by mass: 7 parts of tetrasodium iminodisuccinate, 8 parts of sodium gluconate, 12 parts of maleic anhydride and acrylic acid copolymer (molecular weight 5000), 20 parts of isomeric tridecanol polyoxyethylene ether (5 EO), 10 parts of isomeric tridecanol polyoxyethylene ether (6 EO), 20 parts of sodium polyhydroxycarboxylate, 4 parts of magnesium sulfate, 1 part of functional auxiliary agent and 18 parts of deionized water.
Still further aspects are as follows: the adhesive comprises the following raw materials in parts by mass: 5 parts of tetrasodium iminodisuccinate, 10 parts of sodium gluconate, 5 parts of maleic anhydride-acrylic acid copolymer (molecular weight 5000), 24 parts of isomeric tridecanol polyoxyethylene ether (5 EO), 12 parts of isomeric tridecanol polyoxyethylene ether (6 EO), 15 parts of sodium polyhydroxycarboxylate, 8 parts of magnesium sulfate, 1 part of functional auxiliary agent and 20 parts of deionized water.
Still further aspects are as follows: the adhesive comprises the following raw materials in parts by mass: 12 parts of tetrasodium iminodisuccinate, 5 parts of sodium gluconate, 5 parts of maleic anhydride-acrylic acid copolymer (molecular weight 5000), 16 parts of isomeric tridecanol polyoxyethylene ether (5 EO), 8 parts of isomeric tridecanol polyoxyethylene ether (6 EO), 30 parts of sodium polyhydroxycarboxylate, 2 parts of magnesium sulfate, 1 part of functional auxiliary agent and 21 parts of deionized water.
The invention also aims to provide a preparation method of the multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching, which comprises the following steps:
1. and respectively adding the sodium gluconate, the magnesium sulfate, the tetra sodium iminodisuccinate and the deionized water in the formula amount into a reaction container, heating to 60-70 ℃, starting stirring (frequency 100), and stirring for 30 minutes until the materials are completely dissolved.
2. And (3) carrying out heat preservation reaction on the solution prepared in the step (1) and the formula amount of the isomeric tridecanol polyoxyethylene ether (5 EO) and the isomeric tridecanol polyoxyethylene ether (6 EO) at 50-55 ℃ for 1 hour, then opening cold circulating water to quickly cool to below 30 ℃, and adding functional auxiliary agents to obtain the multifunctional scouring agent for continuous steaming scouring and bleaching of cotton knitting.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is made up of many high molecular polymer keep-fit phosphorus-free chelate dispersing agent, polyhydroxycarboxylic acid sodium and low-foam surfactant and inorganic salt compound, the preparation method is simple, the multi-functional scouring agent that collects scouring penetration, deoiling, emulsifying and dispersing, hydrogen peroxide and stabilizes in an organic whole, accord with OEKO-TEX100 environment-friendly textile chemical's requirement, have excellent chelate and dispersing ability, give the fabric good whiteness and capillary effect, obtain the high-efficient stable scouring effect;
2. the molecular weight of the polymer formed by copolymerizing maleic anhydride and acrylic acid is 5000, so that the polymer has strong chelating and dispersing properties, has excellent stabilizing effect on hydrogen peroxide, accurately controls the decomposition rate of hydrogen peroxide, has high strength retention rate, and effectively prevents the embrittlement and damage of cotton fibers.
Drawings
Fig. 1 is an external view of alkali-resistant chelation performance of each of bid item a, bid item B, and example 1.
Fig. 2 is a graph of the effect of bid a on fabric treatment.
Fig. 3 is an effect graph of bid B treatment fabric.
Fig. 4 is an effect graph of the treatment of the fabric of example 1.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A preparation method of a multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching comprises the following steps:
(1) Adding 8 parts of sodium gluconate, 4 parts of magnesium sulfate, 7 parts of tetrasodium iminodisuccinate, 20 parts of sodium polyhydroxycarboxylate and 18 parts of deionized water into a reaction container according to the mass parts, heating to 65 ℃, starting stirring (frequency is 100), and stirring for 30 minutes until the materials are completely dissolved;
(2) 20 parts of isomeric tridecanol polyoxyethylene ether (5 EO) and 10 parts of isomeric tridecanol polyoxyethylene ether (6 EO) in the solution prepared in the step (1) are reacted with 12 parts of acrylic acid copolymer and maleic anhydride which is an environment-friendly phosphorus-free chelating dispersant obtained by the synthesis reaction at the temperature of 55 ℃ for 1 hour, then cooling circulating water is started to quickly cool to below 30 ℃, and 1 part of functional auxiliary agent is added to obtain the multifunctional scouring agent for cotton knitting.
Example 2
A preparation method of a multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching comprises the following steps:
(1) Adding 6 parts by mass of sodium gluconate, 6 parts by mass of magnesium sulfate, 8 parts by mass of tetrasodium iminodisuccinate, 22 parts by mass of sodium polyhydroxycarboxylate and 18 parts by mass of deionized water into a reaction container, heating to 70 ℃, starting stirring (frequency is 100), and stirring for 30 minutes until the materials are completely dissolved;
(2) 15 parts of isomeric tridecanol polyoxyethylene ether (5 EO) and 15 parts of isomeric tridecanol polyoxyethylene ether (6 EO) in the solution prepared in the step (1) and 10 parts of maleic anhydride and acrylic acid copolymer are subjected to heat preservation reaction for 1 hour at 50 ℃, then cooling circulating water is started to quickly cool to below 30 ℃, and 2 parts of functional auxiliary agent is added to obtain the multifunctional scouring agent for continuous steaming scouring and bleaching of cotton knitting.
Application performance comparison test for multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching of example 1 hydrophilicity was measured according to FZ/T01071-2008 test for capillary effect test method of textiles, permeability reference standards GB5558-85 and HG/T2575-1993 were tested with standard round canvas sheets, and the test results are shown in tables 1-3.
Table 1 comparison of physicochemical Properties of the products
| Product(s) | Appearance of | Solid content | PH value (stock solution) |
| Bidding article A | White emulsion | 44.75％ | 5 |
| Bidding article B | Yellow transparent liquid | 43.68％ | 4-5 |
| Example 1 | White emulsion | 53.66％ | 5-6 |
Table 2 key index performance application comparison
| 10g/L | Permeability of | Foam property |
| Bidding article A | 12-13s wet sinking | Immediately soaking the tea with height of 2.0cm for 30s |
| Bidding article B | 12-13s wet sinking | The immediate bubble height is 15.5cm,1min is 5.5cm more |
| Examples1 | Wet sinking for 5-6s | Immediately soaking the tea with a height of 1.3cm for 7s to eliminate |
Table 3 comparison of open width steaming refining application Performance
TABLE 4 stability of Hydrogen peroxide (decomposition Rate) application Properties comparison
TABLE 5 comparison of alkali-resistant chelation Properties of different multifunctional scouring Agents
Example 1 application practice of mass production in Dongguan dyeing and finishing works, equipment is a Shaoxing Dong digital technology Co., ltd knitting open width pretreatment scouring and bleaching machine, and the specific procedures are as follows:
the process flow comprises the following steps: cloth feeding, padding and ore removal agent (90 ℃ for ore removal), water washing at 85 ℃, rolling and drying, padding and oxygen bleaching liquid, steaming at 98-102 ℃ for 15-20 min), water washing at 85 ℃, water washing (cold water) and cloth falling.
The main technological parameters are as follows: mechanical vehicle speed: 40-60m/min; steam pressure: 0.4MPa;
compressed air pressure: 0.4MPa; the pressure of the padder is 0.18MPa; and (3) electric transmission: alternating current frequency conversion and PLC (programmable logic controller) control.
A fabric: 40S/1 fine cotton compact spinning terry bottom sweater (black), 16S cotton plain weave (gray blue)
(1) An ore removal process and a formula:
| auxiliary name | Primer material | Automatic feeding |
| De-mineralizing agent | 2g/L | 2g/L |
Note that: process temperature and time: 90 ℃ x 25S
(2) Oxygen bleaching liquid technology and formula:
| auxiliary name | Primer material | Automatic feeding |
| Example 1 | 4g/L | 4-5g/L |
| NaOH(50％) | 20g/L | 20-30g/L |
| H2O2(50％) | 40g/L | 40-45g/L |
Note that: (1) The scouring agent and hydrogen peroxide are regulated according to the cloth weight and the color, naOH is generally 20g/L, the gloss requirement of the cloth cover is high and can be increased to 30g/L, and the process temperature and time are as follows: 98-102 deg.C for 15-20min.
(2) The padding oxygen bleaching liquid is prepared by using a double padder, wherein the padding liquid rate of a front padder is required to be lower than 70% (the recommended padder pressure is 6-7 bar and is regulated according to actual conditions), the padding liquid rate of a rear padder is required to be higher than 105% (the recommended padder pressure is 2-3 bar), and the difference between two padders Pick-up is ensured to be higher than 35%.
After one shift (about 8 hours) of production, about 100 pieces of cloth were processed, 3 pieces of cloth were taken at will (head-to-tail) respectively, and after the cloth was dried, the scouring effects (head-to-tail average value) of whiteness, capillary effect and the like were tested, and the head-to-tail difference was small, and the results are shown in table 6.
TABLE 6 refining Effect of example 1 Large Scale production
| Cloth seeds | Whiteness degree | Hair effect | Water absorption | K/S (value) | Force of bursting (N) |
| 40S/1 sanitary wear | 71.670 | 10.2cm | Instant affinity | 29.69 | 498.62 |
| 32S cotton plain weave | 69.258 | 12.8cm | Instant affinity | 28.654 | 592.35 |
As can be seen from Table 6, the scouring effect of example 1 is excellent, the hair effect reaches more than 10cm, the whiteness of the tail in the instant head of the dripping test cloth is very close, the difference is small, the ideal effect is obtained by adjusting the consumption of hydrogen peroxide and caustic soda during scouring according to the color shade, no hole is generated during production, the K/S value of dyeing is also tested by taking the tail in the head, the difference is quite close, no chromatic aberration exists after dyeing in shade, the color is bright, the foam is low in the whole production process, and the example 1 can completely meet the requirements of continuous steaming oxygen bleaching processing of cotton knitting.
Table 7 example 1 comparison of continuous steaming Process with traditional scouring and bleaching Process Water, electricity, steam and labor costs (calculated by 1000KG knitted fabrics produced)
As shown in Table 7, the pretreatment process produces 1 ton of 18.3tex32ST/C refined cotton and 30D spandex single-sided frame-pulling cloth, and the open-width steaming scouring and bleaching process saves about 365 yuan of energy consumption and labor cost compared with the traditional scouring and bleaching process, saves about 50% of energy consumption, and saves about 2.5-3.0 hours of pretreatment time for each cylinder of cloth.
Analysis shows that compared with the existing competitive products in the market, the multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching disclosed by the invention is a green and environment-friendly multifunctional scouring agent integrating scouring, permeation, degreasing, milk power dispersion and hydrogen peroxide stabilization, meets the requirements of OEKO-TEX100 environment-friendly textile chemicals, and conforms to the trends of green production, energy conservation and emission reduction in the printing and dyeing industry; overcomes the defect that the prior hydrogen peroxide stabilizer raw material containing phosphate and silicate raw material are used for generating silica scale; the comprehensive performance of the cotton knitting continuous steaming scouring and bleaching process reaches the level of foreign competitive products A and B, the process is far ahead of similar products of domestic companies in the aspect of environment-friendly phosphorus-free products, and meanwhile, the continuous steaming scouring and bleaching process of cotton knitting is greatly reduced in processing time, water consumption and steam consumption, energy is saved, COD emission is reduced, and the cotton knitting continuous steaming scouring and bleaching process is worthy of being widely popularized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. A preparation method of a multifunctional scouring agent for cotton knitting continuous steaming scouring and bleaching comprises the following steps:
(1) Adding 8 parts of sodium gluconate, 4 parts of magnesium sulfate, 7 parts of tetrasodium iminodisuccinate, 20 parts of sodium polyhydroxycarboxylate and 18 parts of deionized water in a formula amount into a reaction container respectively according to parts by mass, heating to 65 ℃, starting stirring, and stirring for 30 minutes until the materials are completely dissolved;
(2) Carrying out heat preservation reaction on the solution prepared in the step (1) and the formula of 20 parts of isomeric tridecanol polyoxyethylene ether 5EO and 10 parts of isomeric tridecanol polyoxyethylene ether 6EO at 55 ℃ for 1 hour, then opening cold circulating water to quickly cool to below 30 ℃, and adding 1 part of functional auxiliary agent to obtain the multifunctional scouring agent for continuous steaming and bleaching of cotton knitting;
the molecular weight of the copolymer of maleic anhydride and acrylic acid of the environment-friendly phosphorus-free chelating dispersant is 5000.
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| CN103061104A (en) * | 2012-12-14 | 2013-04-24 | 日华化学研发（上海）有限公司 | One dosage type low temperature scouring and bleaching agent and application thereof |
| CN109056319A (en) * | 2018-07-18 | 2018-12-21 | 珠海华大浩宏化工有限公司 | A kind of environmental protection knitting open-width scouring agent and preparation method thereof |
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| CN103061104A (en) * | 2012-12-14 | 2013-04-24 | 日华化学研发（上海）有限公司 | One dosage type low temperature scouring and bleaching agent and application thereof |
| CN109056319A (en) * | 2018-07-18 | 2018-12-21 | 珠海华大浩宏化工有限公司 | A kind of environmental protection knitting open-width scouring agent and preparation method thereof |
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