CN118127843B - Dye transfer inhibitor for cotton and blended fabrics and preparation method thereof - Google Patents
Dye transfer inhibitor for cotton and blended fabrics and preparation method thereof Download PDFInfo
- Publication number
- CN118127843B CN118127843B CN202410536768.4A CN202410536768A CN118127843B CN 118127843 B CN118127843 B CN 118127843B CN 202410536768 A CN202410536768 A CN 202410536768A CN 118127843 B CN118127843 B CN 118127843B
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- China
- Prior art keywords
- nitrogen
- vinyl heterocyclic
- dye transfer
- cotton
- polyoxyethylene ether
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- 238000012546 transfer Methods 0.000 title claims abstract description 42
- 239000004744 fabric Substances 0.000 title claims abstract description 33
- 239000003112 inhibitor Substances 0.000 title claims abstract description 30
- 229920000742 Cotton Polymers 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 66
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 29
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 29
- 229920001577 copolymer Polymers 0.000 claims abstract description 21
- 239000004593 Epoxy Substances 0.000 claims abstract description 18
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims abstract description 16
- 230000005764 inhibitory process Effects 0.000 claims abstract description 12
- 238000004132 cross linking Methods 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 93
- 229910052757 nitrogen Inorganic materials 0.000 claims description 47
- 238000006243 chemical reaction Methods 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 23
- 239000001301 oxygen Substances 0.000 claims description 23
- 229910052760 oxygen Inorganic materials 0.000 claims description 23
- 229920001046 Nanocellulose Polymers 0.000 claims description 19
- 238000006116 polymerization reaction Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 15
- 239000003999 initiator Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 239000012986 chain transfer agent Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 230000000977 initiatory effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 125000000623 heterocyclic group Chemical group 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 4
- 230000001706 oxygenating effect Effects 0.000 claims description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 4
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- BDAHDQGVJHDLHQ-UHFFFAOYSA-N [2-(1-hydroxycyclohexyl)phenyl]-phenylmethanone Chemical compound C=1C=CC=C(C(=O)C=2C=CC=CC=2)C=1C1(O)CCCCC1 BDAHDQGVJHDLHQ-UHFFFAOYSA-N 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 2
- 235000010288 sodium nitrite Nutrition 0.000 claims description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010186 staining Methods 0.000 abstract description 12
- 150000003839 salts Chemical class 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000002657 fibrous material Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004753 textile Substances 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 54
- 230000000052 comparative effect Effects 0.000 description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 9
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 8
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 8
- 239000012267 brine Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 8
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 description 7
- 230000000379 polymerizing effect Effects 0.000 description 7
- 238000012722 thermally initiated polymerization Methods 0.000 description 7
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- KANZWHBYRHQMKZ-UHFFFAOYSA-N 2-ethenylpyrazine Chemical compound C=CC1=CN=CC=N1 KANZWHBYRHQMKZ-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000985 reactive dye Substances 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- ZRGKYCBSAYCCTD-UAIGNFCESA-M sodium;(z)-but-2-enedioic acid;prop-2-enoate Chemical compound [Na+].[O-]C(=O)C=C.OC(=O)\C=C/C(O)=O ZRGKYCBSAYCCTD-UAIGNFCESA-M 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 230000007928 solubilization Effects 0.000 description 2
- UPFQJMVQJWHPOL-UHFFFAOYSA-N 2-methyl-1-phenylpropane-1,2-diol Chemical compound CC(C)(O)C(O)C1=CC=CC=C1 UPFQJMVQJWHPOL-UHFFFAOYSA-N 0.000 description 1
- YPIINMAYDTYYSQ-UHFFFAOYSA-N 5-ethenyl-1h-pyrazole Chemical compound C=CC=1C=CNN=1 YPIINMAYDTYYSQ-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012661 block copolymerization Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/08—After-treatment with organic compounds macromolecular
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6138—Polymerisation products of glycols, e.g. Carbowax, Pluronics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a dye transfer inhibitor for cotton and blended fabrics and a preparation method thereof, belonging to the field of textile chemistry. Comprising the following steps: and crosslinking a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers and a polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups to obtain the copolymer with a plurality of nitrogen-containing heterocycles. The dye transfer inhibitor can realize good cleaning effect and dye transfer inhibition anti-staining effect under the working condition that the temperature is low (60 ℃) and the water contains a large amount of salt (30 g/L), can greatly reduce energy consumption in the washing process and reduce the influence on the environment. Meanwhile, the fiber materials can be better protected by low-temperature soaping, and the service life of the fiber materials is prolonged. In addition, the low-temperature soaping can also meet the requirements of consumers on washing effect and comfort, and washing experience is improved.
Description
Technical Field
The invention belongs to the field of textile chemistry, and in particular relates to a dye transfer inhibitor for cotton and blended fabrics and a preparation method thereof.
Background
When cotton fabric is dyed, alkali and salt are required to be added for fixation and dyeing promotion, but due to the structural characteristics of reactive dyes, hydrolysis easily occurs under the condition of high alkaline temperature, so that a large amount of unbound dye/hydrolyzed dye exists on the surface of dyed fabric, and the color fastness of the fabric is poor. The existing soaping process of the dye works comprises the following steps: after dyeing, a large amount of salt is removed through a plurality of high-temperature water washes, residual alkali is removed through acid water washing, and floating color is removed through high-temperature (90-95 ℃) soaping and water washing.
The traditional maleic anhydride and acrylic acid copolymer dye transfer inhibitor needs higher temperature (more than 90-95 ℃) to play a role, and completely loses the soaping effect under the working condition of containing salt. In order to solve the problem, the technology of the low-temperature salt-tolerant dye transfer inhibitor has been developed, and the low-temperature salt-tolerant dye transfer inhibitor can realize good cleaning effect and dye transfer inhibition anti-staining effect under the working condition that the low-temperature salt-tolerant dye transfer inhibitor contains a large amount of salt in water so as to solve the cleaning problems after dyeing, such as high energy consumption, large water consumption and the like.
Therefore, it is a technical problem to be solved by those skilled in the art to obtain a low temperature salt-tolerant dye transfer inhibitor.
Disclosure of Invention
In order to overcome the technical defects, the invention provides a dye transfer inhibitor for cotton and blended fabrics and a preparation method thereof, which are used for solving the problems related to the background technology.
The invention provides a dye transfer inhibitor for cotton and blended fabrics and a preparation method thereof, comprising the following steps:
and crosslinking a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers and a polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups to obtain the copolymer with a plurality of nitrogen-containing heterocycles.
Preferably or alternatively, the vinyl heterocyclic monomer is a water-soluble or slightly soluble monomer and derivatives thereof.
Preferably or alternatively, the vinyl heterocyclic monomer has the general formula: h 2C=CH-R1; wherein-R 1 represents a heterocycle having the structure、、、And derivatives or isomers thereof.
Preferably or alternatively, the polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups has a general formula: wherein-R 2 is hydrogen, methyl, ethyl, propyl, butyl, dodecyl, hexadecyl, octadecyl or one of the isomers thereof; y is 30 to 125.
Preferably or alternatively, nanocellulose having a carboxyl content of at least 1.5 mmol/g is also included in the reactive monomers of the nitrogen-containing heterocyclic copolymer.
Preferably or alternatively, the ratio of the two vinyl heterocyclic monomers is 7:3~3:7.
The invention also provides a preparation method of the dye transfer inhibitor for cotton and blended fabrics, which comprises the following steps:
adding at least two vinyl heterocyclic monomers, deionized water, a chain transfer agent, a photoinitiator and a thermal initiator into a reaction container, and fully stirring until the vinyl heterocyclic monomers, the deionized water, the chain transfer agent, the photoinitiator and the thermal initiator are dissolved;
Filling nitrogen into a reaction container to remove oxygen, and initiating polymerization for 10 to 30 minutes under the protection of nitrogen by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
adding polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group and nanocellulose into a reaction vessel, and fully stirring until the polyoxyethylene ether monomer and nanocellulose are dissolved.
Charging nitrogen into a reaction vessel to remove oxygen, and thermally initiating polymerization at a temperature of 30-60 ℃ for 10-30 min under the protection of nitrogen to obtain the copolymer with a plurality of nitrogen-containing heterocycles.
Preferably or alternatively, the chain transfer agent is an inorganic salt having reducing properties;
The inorganic salt with reducibility is one or a combination of more of sulfite, sodium nitrite, sodium sulfide and ferrous salt;
The addition amount of the chain transfer agent is 0.1-5% of that of the vinyl heterocyclic monomer.
Preferably or alternatively, the thermal initiator is azobisisopropylimidazoline hydrochloride and/or azobisiso Ding Miyan hydrochloride;
the photoinitiator is 2-hydroxy-2-methyl-1-phenylpropion and/or 1-hydroxycyclohexyl benzophenone;
The weight ratio of the photoinitiator to the thermal initiator is 7:3~3:7, preparing a base material; and the addition amount of the photoinitiator and the thermal initiator is 0.1-5% of that of the vinyl heterocyclic monomer.
Preferably or optionally, the feeding amount of each monomer is respectively as follows in parts by weight: 30 parts of vinyl heterocyclic monomer, 0.2-10 parts of polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group and 0-2 parts of nano cellulose.
The invention relates to a dye transfer inhibitor for cotton and blended fabrics and a preparation method thereof, which have the following beneficial effects compared with the prior art: the dye transfer inhibitor can realize good cleaning effect and dye transfer inhibition anti-staining effect under the working condition that the temperature is low (60 ℃) and the water contains a large amount of salt (30 g/L), can greatly reduce energy consumption in the washing process and reduce the influence on the environment. Meanwhile, the fiber materials can be better protected by low-temperature soaping, and the service life of the fiber materials is prolonged. In addition, the low-temperature soaping can also meet the requirements of consumers on washing effect and comfort, and washing experience is improved.
Drawings
Fig. 1 is a photograph of a product of the corresponding cotton fabric of example 1, example 6 and comparative examples 1 to 3 after the anti-staining test process according to the present invention.
Fig. 2 is a photograph of a product of the corresponding cotton fabric of the present invention after the soaping test process of example 1, example 6 and comparative examples 1 to 3.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
The invention provides a dye transfer inhibitor for cotton and blended fabrics, which comprises the following components: and crosslinking the prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers, polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups and nanocellulose to obtain the copolymer with a plurality of nitrogen-containing heterocycles.
Firstly, vinyl heterocyclic monomers are rigid cyclic groups, the rigidity strength of polymer chains can be improved by block polymerization onto the polymer chains, the viscosity of the polymer is lower due to shrinkage of the polymer chains in high salt water quality, the polymer has excellent salt resistance, weak cations can be formed under certain conditions by introducing N-containing heterocyclic structures into the main chain of molecules, and the polymer has strong adsorption effect on anionic hydrolytic dyes. Meanwhile, the N-containing heterocyclic structure is quite similar to the reactive dye structure, and the adsorption and solubilization of the dye are facilitated through a similar compatibility principle. Meanwhile, two or more N-containing heterocyclic structure copolymerization can be effectively applied to different types of dyes, so that the situation that one structure polymerization product is only suitable for one dye or a plurality of dyes is avoided, and the universality is improved.
Secondly, the polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group is added, and the dispersibility and the detergency of the similar surfactant structure are utilized, so that on one hand, the dye/hydrolytic dye can be dispersed in water, the unreacted dye on the fabric is washed down, meanwhile, the washing temperature can be effectively reduced, the epoxy end group and the polyoxyethylene ether can greatly enhance the affinity of the dye transfer inhibitor to the fiber, and the polymerized product has the anti-staining performance of the dye and the performance of washing off the floating color. The nanocellulose with high carboxyl content (not less than 1.5 mmol/g) has extremely strong hydrophilicity, and the nanocellulose is grafted onto the polymer through the epoxy end group, so that the water solubility of the nitrogenous heterocyclic copolymer can be ensured, the high specific surface area of the nanocellulose is improved, the adsorption selectivity of the nanocellulose to different types of dyes is improved, and the overall washing durability is improved.
The invention also provides a preparation method of the dye transfer inhibitor for cotton and blended fabrics, which comprises the following steps: adding at least two vinyl heterocyclic monomers, deionized water, a chain transfer agent, a photoinitiator and a thermal initiator into a reaction container, and fully stirring until the vinyl heterocyclic monomers, the deionized water, the chain transfer agent, the photoinitiator and the thermal initiator are dissolved; filling nitrogen into a reaction container to remove oxygen, and initiating polymerization for 10 to 30 minutes under the protection of nitrogen by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers; adding polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group and nanocellulose into a reaction vessel, and fully stirring until the polyoxyethylene ether monomer and nanocellulose are dissolved. Charging nitrogen into a reaction vessel to remove oxygen, and thermally initiating polymerization at a temperature of 30-60 ℃ for 10-30 min under the protection of nitrogen to obtain the copolymer with a plurality of nitrogen-containing heterocycles.
Firstly, the invention can prepare the prepolymer with specific structural characteristics (one end has high rigidity) by selecting two specific vinyl heterocyclic monomers for prepolymerization, and the prepolymer utilizes the similar compatibility principle to reduce the migration of dye in the processing process, and can more effectively adsorb and solubilize dye molecules, thereby improving the effect of serving as a dye transfer inhibitor. Compared with random copolymerization, the ordered arrangement of the monomers enhances the aggregation effect on the dye, further improves the adsorption and fixation capacity on the dye, and reduces the migration risk of the dye in the processing process.
Secondly, the invention uses two vinyl heterocyclic monomers of the light-induced agent to carry out prepolymerization to form a prepolymer, ultraviolet light is used for controlling the reaction process through irradiation time, the molecular weight distribution of the prepolymer is more concentrated and controllable, and the solubilization effect of the whole dye transfer inhibitor on the dye is improved. And then carrying out secondary polymerization on the polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups and a small amount of nanocellulose by utilizing thermal initiation to form a relatively regular block copolymerization, and carrying out secondary polymerization on the prepolymer, the residual monomer, the polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups and a small amount of nanocellulose by utilizing thermal initiation to ensure that all molecules participating in polymerization are more uniform and more comprehensive in activation, thereby avoiding the problem of local overstress or insufficient excitation in the prepolymerization process.
In conclusion, the dye transfer inhibitor is prepared by adopting a mode of twice polymerization, so that a multilayer structure with specific functional characteristics is constructed, reaction conditions are regulated and controlled conveniently to obtain ideal performances, and meanwhile, the adaptability and the research and development flexibility of the product are improved. The method aims to prepare the inhibitor which can effectively adsorb the dye and can be firmly combined with the surfaces of cotton and blended fabrics, thereby remarkably reducing the transfer phenomenon of the dye in the washing process.
The invention is further illustrated below in conjunction with examples, examples of which are intended to illustrate the invention and are not to be construed as limiting the invention.
Example 1: into a 250ml four-necked flask, 15g of vinylpyrrolidone, 15g of vinylimidazole, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were charged; opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 15min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of glycidol ether allyl alcohol polyoxyethylene ether (NW 3000) is added into a reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Example 2: into a 250ml four-necked flask, 10g of vinylpyrrolidone, 20g of vinylimidazole, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were charged; opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 15min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of glycidol ether allyl alcohol polyoxyethylene ether (NW 3000) is added into a reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Example 3: into a 250ml four-necked flask, 5g of vinyl pyrazole, 25g of vinyl imidazole, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were added; opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 15min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of glycidol ether allyl alcohol polyoxyethylene ether (NW 3000) is added into a reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Example 4: into a 250ml four-necked flask, 20g of vinylpyrrolidone, 5g of vinylimidazole, 5g of vinylpyrzine, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were charged; and (3) opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, and simultaneously opening cooling brine to cool. Slowly stirring until all the reaction monomers are dissolved and dispersed uniformly; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 15min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of glycidol ether allyl alcohol polyoxyethylene ether (NW 3000) is added into a reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Example 5: into a 250ml four-necked flask, 15g of vinylpyrrolidone, 10g of vinylpyrrolidone, 5g of vinylpyrazine, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were charged; opening a nitrogen valve to fill nitrogen and remove oxygen for 20-30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 10-30 min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of glycidol ether allyl alcohol polyoxyethylene ether (NW 3000) is added into a reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Example 6: into a 250ml four-necked flask, 15g of vinylpyrrolidone, 15g of vinylimidazole, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were charged; opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 15min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of glycidol ether allyl alcohol polyoxyethylene ether (NW 3000) and 1g of nanocellulose (the carboxyl content is more than 1.5 mmol/g) are added into a reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Comparative example 1: into a 250ml four-necked flask, 15g of vinylpyrrolidone, 15g of vinylimidazole, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropanol polyoxyethylene ether (NW 3000) and 5g of glycidyletherallylalcohol polyoxyethylene ether were charged; opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; and when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, stopping stirring, carrying out ultraviolet irradiation polymerization for 15min, and then carrying out thermal initiation polymerization for 30min at 50+/-2 ℃ to obtain the dye transfer inhibitor of the copolymer with a plurality of nitrogen heterocycles.
Comparative example 2: into a 250ml four-necked flask, 15g of vinylpyrrolidone, 15g of vinylimidazole, 70g of water, 0.1g of sodium hydrogensulfite, 0.15g of azobisiso Ding Mi hydrochloride, 0.15g of 2-hydroxy-2-methyl-1-phenylpropion were charged; opening a nitrogen valve to fill nitrogen and remove oxygen for 30 minutes, simultaneously opening cooling brine to cool, and slowly stirring until the solution is uniformly dissolved and dispersed; stopping stirring when the temperature of the materials in the reaction kettle is reduced to 5-6 ℃, and polymerizing for 15min by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
5g of methyl polyethylene glycol methacrylate (NW 2500) is added into the reaction vessel, a nitrogen valve is opened to fill nitrogen and remove oxygen for 30 minutes, and the mixture is slowly stirred until the mixture is dissolved and dispersed uniformly; the dye transfer inhibition agent of the copolymer having a plurality of nitrogen-containing heterocycles was obtained by thermally initiated polymerization at a temperature of 50.+ -. 2 ℃ for 30 min.
Comparative example 3: is commercially available basf CP-5 (maleic acid-acrylic acid sodium salt polymer).
Detection example: the dye transfer inhibition agents obtained in examples 1 to 6 and comparative examples 1 to 3 were subjected to respective application tests for the color fastness against staining and the soaping fastness, and the relevant test structures are shown in the following tables and drawings.
1. The staining-proof test process comprises the following steps:
Firstly, diluting a sample to 1% aqueous solution, taking 2g of the solution, respectively adding into 250ml single-mouth bottles, hydrolyzing dye 25g, adjusting pH to about 8 with sodium carbonate, adding 0.75g of anhydrous sodium sulfate and 5.5 multiplied by 5.5cm of white base cloth, putting into the bottles together, sealing with a preservative film, pricking small holes, putting into a shaking water bath kettle at 60 ℃, and shaking for 20min. Taking out, washing with cold water for 2 times, and drying. And (5) comparing the standard color chart to perform color fastness rating. The test example used a 5-level rating system, with level 1 indicating the worst color fastness and level 5 indicating the best color fastness, with specific parameters shown in the following table and attached figure 1.
2. The soaping fastness testing process comprises the following steps:
Firstly, diluting a sample to 1% aqueous solution, taking 2g of the solution, respectively adding into 250ml single-mouth bottles, adding 25g of clear water, adjusting the pH to about 8 by sodium carbonate, adding 0.75g of anhydrous sodium sulfate and 5.5 multiplied by 5.5cm of dyed cloth, putting into the bottles together, sealing a preservative film, pricking small holes, putting into a shaking water bath kettle at 89 ℃, and shaking for 20min at 90 ℃. Taking out, washing with cold water for 2 times, and drying. The washing fastness was rated against a standard color chart, the test example used a 5-level rating system, with level 1 representing the worst washing fastness and level 5 representing the best washing fastness, the specific parameters being shown in the following table and in fig. 2.
Discussion: by comparing the above tables we can find that: examples 1 to 6 have high trapping capacity on anionic water-soluble dye particles in a medium-low temperature, high-electrolyte and high-hardness water environment, and when used as a cotton fabric and other mixed-spinning anti-staining low-temperature soaping agents, the anti-staining agent has excellent anti-staining performance and effectively improves the soaping color fastness of the cotton fabric. In comparative examples 1 and 6, a certain amount of nanocellulose is added in example 6, so that the binding force between the dye transfer inhibitor and the surface of the fabric is further enhanced, and the anti-staining performance and the soaping color fastness of the cotton fabric are further improved. In comparative example 1 and comparative example 1, the copolymer obtained by the one-pot polymerization in comparative example 1 has reduced adsorption ability to dye particles, resulting in reduced staining resistance and soaping resistance of cotton fabrics. Comparative examples 1 and 2, comparative example 2 was conducted by using methyl polyethylene glycol methacrylate for the secondary polymerization, and the affinity with the fibers was lowered, resulting in a decrease in the soaping resistance of the cotton fabric. In addition, since the maleic acid-sodium acrylate polymer of comparative example 3 had poor electrolytic resistance, it was found that the anti-staining property and the soaping resistance property exhibited on cotton fabric were poor in a medium-low temperature, high-electrolyte and high-hardness water environment.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Claims (7)
1. A dye transfer inhibitor for cotton and blend fabrics comprising: crosslinking a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers, and a polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups to obtain a copolymer with a plurality of nitrogen-containing heterocycles;
The preparation method of the copolymer with a plurality of nitrogen-containing heterocycles comprises the following steps:
adding at least two vinyl heterocyclic monomers, deionized water, a chain transfer agent, a photoinitiator and a thermal initiator into a reaction container, and fully stirring until the vinyl heterocyclic monomers, the deionized water, the chain transfer agent, the photoinitiator and the thermal initiator are dissolved;
Filling nitrogen into a reaction container to remove oxygen, and initiating polymerization for 10 to 30 minutes under the protection of nitrogen by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
adding polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group into the reaction vessel, and fully stirring until the polyoxyethylene ether monomer is dissolved;
Filling nitrogen into a reaction vessel to remove oxygen, and thermally initiating polymerization for 10 to 30 minutes at a temperature of between 30 and 60 ℃ under the protection of nitrogen to obtain a copolymer with a plurality of nitrogen-containing heterocycles;
the vinyl heterocyclic monomer has a general formula: h 2C=CH-R1;
wherein-R 1 represents a heterocycle, the structure of which And derivatives or isomers thereof;
the polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups has the general formula:
wherein-R 2 is hydrogen, methyl, ethyl, propyl, butyl, dodecyl, hexadecyl, octadecyl or one of the isomers thereof; y is 30 to 125.
2. The dye transfer inhibitor for cotton and blended fabrics according to claim 1, wherein the copolymerization ratio of two vinyl heterocyclic monomers is 7:3~3:7.
3. The dye transfer inhibition agent for cotton and blended fabrics according to claim 1, wherein the reactive monomer of the nitrogen-containing heterocyclic copolymer further comprises nanocellulose having a carboxyl content of at least 1.5 mmol/g.
4. A method for preparing dye transfer inhibitors for cotton and blended fabrics, comprising the steps of:
adding at least two vinyl heterocyclic monomers, deionized water, a chain transfer agent, a photoinitiator and a thermal initiator into a reaction container, and fully stirring until the vinyl heterocyclic monomers, the deionized water, the chain transfer agent, the photoinitiator and the thermal initiator are dissolved;
Filling nitrogen into a reaction container to remove oxygen, and initiating polymerization for 10 to 30 minutes under the protection of nitrogen by ultraviolet irradiation to obtain a prepolymer obtained by copolymerizing at least two vinyl heterocyclic monomers;
Adding polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group and nanocellulose into a reaction vessel, and fully stirring until the polyoxyethylene ether monomer and nanocellulose are dissolved;
Filling nitrogen into a reaction vessel to remove oxygen, and thermally initiating polymerization for 10 to 30 minutes at a temperature of between 30 and 60 ℃ under the protection of nitrogen to obtain a copolymer with a plurality of nitrogen-containing heterocycles;
the vinyl heterocyclic monomer has a general formula: h 2C=CH-R1;
wherein-R 1 represents a heterocycle having the structure And derivatives or isomers thereof;
the polyoxyethylene ether monomer containing carbon-carbon double bonds and epoxy end groups has the general formula:
wherein-R 2 is hydrogen, methyl, ethyl, propyl, butyl, dodecyl, hexadecyl, octadecyl or one of the isomers thereof; y is 30 to 125.
5. The method for preparing dye transfer inhibitor for cotton and blended fabrics according to claim 4, wherein the chain transfer agent is an inorganic salt with reducibility;
The inorganic salt with reducibility is one or a combination of more of sulfite, sodium nitrite, sodium sulfide and ferrous salt;
the addition amount of the chain transfer agent is 0.1-5% of the weight of the vinyl heterocyclic monomer.
6. The method for preparing dye transfer inhibitor for cotton and blended fabrics according to claim 4, wherein the thermal initiator is azobisisopropylimidazoline hydrochloride and/or azobisiso Ding Miyan hydrochloride;
the photoinitiator is 2-hydroxy-2-methyl-1-phenylpropion and/or 1-hydroxycyclohexyl benzophenone;
the weight ratio of the photoinitiator to the thermal initiator is 7:3~3:7, preparing a base material; and the addition amount of the photoinitiator and the thermal initiator is 0.1-5% of the weight of the vinyl heterocyclic monomer.
7. The method for preparing the dye transfer inhibitor for cotton and blended fabrics according to claim 4, wherein the feeding amount of each monomer is as follows in parts by mass: 30 parts of vinyl heterocyclic monomer, 0.2-10 parts of polyoxyethylene ether monomer containing carbon-carbon double bond and epoxy end group and 0-2 parts of nano cellulose.
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