CN118029154A - Textile APEO (advanced polyethylene oxide) removing method - Google Patents
Textile APEO (advanced polyethylene oxide) removing method Download PDFInfo
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- CN118029154A CN118029154A CN202410174442.1A CN202410174442A CN118029154A CN 118029154 A CN118029154 A CN 118029154A CN 202410174442 A CN202410174442 A CN 202410174442A CN 118029154 A CN118029154 A CN 118029154A
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- 239000004753 textile Substances 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229920003171 Poly (ethylene oxide) Polymers 0.000 title description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 71
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 71
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims abstract description 34
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims abstract description 34
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims abstract description 34
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 34
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 34
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 34
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 22
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 22
- 150000002191 fatty alcohols Chemical class 0.000 claims abstract description 21
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims abstract description 20
- 235000019341 magnesium sulphate Nutrition 0.000 claims abstract description 20
- 239000001509 sodium citrate Substances 0.000 claims abstract description 20
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 20
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 72
- 238000004043 dyeing Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 6
- -1 polyoxyethylene lauryl ether Polymers 0.000 claims description 4
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 claims 2
- 230000000052 comparative effect Effects 0.000 description 31
- 238000003756 stirring Methods 0.000 description 21
- 239000003795 chemical substances by application Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- 206010040880 Skin irritation Diseases 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Detergent Compositions (AREA)
Abstract
The application provides a textile APEO removing method, which comprises the steps of immersing textiles to be treated in water to obtain a mixture, adding a textile APEO remover, immersing and spin-drying. Wherein, the textile APEO remover comprises the following components in parts by weight: 32-42 parts of laurinol polyoxyethylene ether, 13-20 parts of fatty alcohol polyoxyethylene ether, 5-15 parts of isomeric decaol polyoxyethylene ether, 1.8-4 parts of diethylene glycol butyl ether, 3-8 parts of polyethylene glycol, 0.1-0.3 part of polyvinylpyrrolidone, 0.02-0.1 part of hydroxyethyl cellulose, 20-30 parts of magnesium sulfate, 3-7 parts of sodium citrate and 85-120 parts of deionized water.
Description
Technical Field
The invention belongs to a method for treating harmful substances in the field of textiles, and particularly relates to a method for removing APEO in textiles.
Background
Alkylphenol ethoxylates (APEO) are the main representatives of nonionic surfactants that are currently in widespread use. APEO has good wetting, penetrating, emulsifying, dispersing, solubilising and washing actions and is widely used in the manufacture of detergents, personal care products, textile, printing, synthetic rubber, plastics and other industrial products, the most important of which are washing products and textile auxiliaries. It is possible to use APEO as a scouring agent, wetting agent, penetrating agent, enzyme preparation, printing paste, adhesive, coating agent, leveling agent, waterproofing agent, various emulsions, dispersing agent, etc. commonly used in textile processing, wherein 80% or more of the APEO is Nonylphenol Polyoxyethylene Ether (NPEO).
The problem of the ecotoxicity of APEO is mainly related to its safety and biodegradability. The safety includes acute toxicity, water biotoxicity, skin irritation, teratogenesis, mutation, etc. In view of its greater toxicity, the European Union chemical administration Commission incorporates NPEO into REACH regulations requiring that its content in textiles must not be greater than 100mg/kg. "Oeko-Tex Standard 100" (ecological textile Standard 100) issued by the International Association for ecological textiles research and inspection requires that the total content of alkylphenol and alkylphenol ethoxylates in the textiles be not more than 100mg/kg. The existing industry standards FZ/T73005 and FZ/T73018 in China both prescribe that the APEO content in textiles is not more than 100mg/kg.
However, there is a problem in that, because there is no national mandatory standard regulation, there is still a situation that a large amount of APEO is used in the textile industry in China. Once manufacturers use APEO-containing adjuvants to make textile fabrics and even finished garments, they will face brand-name business returns and export trade barriers and domestic scrutiny, resulting in significant economic losses.
Disclosure of Invention
In view of the above, the invention aims to provide a method for removing APEO from textiles, which is used for cleaning textiles with the APEO content exceeding the standard below the qualification limit, and does not damage the original softness, dyeing fastness and other performances of the textiles.
In order to achieve the above purpose, the present invention provides the following technical solutions:
In a first aspect, the present invention provides a method for textile APEO removal comprising the steps of:
Step 1, immersing a textile to be treated in water to obtain a mixture, adding a textile APEO remover, wherein the mass ratio of the textile to be treated to the water is 1:10, the dosage ratio of the textile APEO remover to the water is 4g/L, immersing and washing the textile for 30 minutes at 45-55 ℃, and centrifuging and spin-drying the textile; wherein, the textile APEO remover comprises the following components in parts by weight: 32-42 parts of laurinol polyoxyethylene ether, 13-20 parts of fatty alcohol polyoxyethylene ether, 5-15 parts of isomeric decaol polyoxyethylene ether, 1.8-4 parts of diethylene glycol butyl ether, 3-8 parts of polyethylene glycol, 0.1-0.3 part of polyvinylpyrrolidone, 0.02-0.1 part of hydroxyethyl cellulose, 20-30 parts of magnesium sulfate, 3-7 parts of sodium citrate and 85-120 parts of deionized water;
And 2, soaking the textile treated in the step 1 in water at 45-55 ℃ for 20 minutes, wherein the mass ratio of the textile treated in the step 1 to the water in the step 2 is 1:15, and centrifuging and spin-drying the textile after the soaking.
Preferably, the textile to be treated is various textiles which are subjected to dyeing and finishing processing and use dyeing and finishing auxiliaries. Wherein the dyeing and finishing auxiliary comprises, but is not limited to, scouring agent, wetting agent, penetrating agent, enzyme preparation, printing sizing agent, adhesive, coating agent, leveling agent, waterproofing agent, various emulsion and dispersing agent, etc., and the dyeing and finishing auxiliary comprises APEO.
Preferably, the polymerization degree of the laurinol polyoxyethylene ether is 7-10.
Preferably, the general formula of the fatty alcohol-polyoxyethylene ether is R0 (CH 2CH2O)n H, R is C7-C9 linear alkane, and n is 5-7).
Preferably, the polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8.
Preferably, the degree of polymerization of the polyethylene glycol is 12 to 15.
Preferably, the molecular weight of the polyvinylpyrrolidone is 8000-16000.
Preferably, the molecular weight of the hydroxyethyl cellulose is 20 to 35 ten thousand.
Preferably, the APEO remover comprises the following components in parts by weight: 35-38 parts of laurinol polyoxyethylene ether, 15-18 parts of fatty alcohol polyoxyethylene ether, 9-12 parts of isomeric decaol polyoxyethylene ether, 2.5-3 parts of diethylene glycol butyl ether, 5-7 parts of polyethylene glycol, 0.13-0.22 part of polyvinylpyrrolidone, 0.04-0.07 part of hydroxyethyl cellulose, 23-27 parts of magnesium sulfate, 4-5 parts of sodium citrate and 92-105 parts of deionized water.
In a second aspect, the invention provides a textile APEO remover, which comprises the following components in parts by mass: 32-42 parts of laurinol polyoxyethylene ether, 13-20 parts of fatty alcohol polyoxyethylene ether, 5-15 parts of isomeric decaol polyoxyethylene ether, 1.8-4 parts of diethylene glycol butyl ether, 3-8 parts of polyethylene glycol, 0.1-0.3 part of polyvinylpyrrolidone, 0.02-0.1 part of hydroxyethyl cellulose, 20-30 parts of magnesium sulfate, 3-7 parts of sodium citrate and 85-120 parts of deionized water.
Wherein, the preferred scheme of the textile APEO remover in the second aspect is the same as the textile APEO remover in the textile APEO removal method in the first aspect, and the description thereof is omitted herein.
The invention has the beneficial effects that:
a. the textile APEO remover in the textile APEO removal method provided by the invention has excellent permeability and wettability, and the unique material selection and proportion can treat textiles with the APEO content exceeding 50ppm or less;
b. the textile APEO removal method provided by the invention can achieve the treatment effect by using a minimum amount of water, and is low-carbon and environment-friendly;
c. The textile APEO remover in the textile APEO removing method provided by the invention contains the protection additives of polyvinylpyrrolidone and hydroxyethyl cellulose, so that the removal of APEO in the textile is achieved, and meanwhile, the softness, the dyeing fastness and other performances of the textile fabric are not damaged.
Detailed Description
The following description is of the preferred embodiments of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the principle of the invention, and these modifications and variations are also regarded as the scope of the invention.
Preparation of textile APEO remover
Example 1
The textile APEO remover comprises the following components in parts by mass: 36 parts of laurinol polyoxyethylene ether, 17 parts of fatty alcohol polyoxyethylene ether, 10 parts of isomeric decaol polyoxyethylene ether, 2.8 parts of diethylene glycol butyl ether, 6 parts of polyethylene glycol, 0.2 part of polyvinylpyrrolidone, 0.06 part of hydroxyethyl cellulose, 25 parts of magnesium sulfate, 5 parts of sodium citrate and 100 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 1.
Example 2
The textile APEO remover comprises the following components in parts by mass: 32 parts of laurinol polyoxyethylene ether, 20 parts of fatty alcohol polyoxyethylene ether, 14 parts of isomeric decaol polyoxyethylene ether, 3 parts of diethylene glycol butyl ether, 7 parts of polyethylene glycol, 0.3 part of polyvinylpyrrolidone, 0.08 part of hydroxyethyl cellulose, 30 parts of magnesium sulfate, 6 parts of sodium citrate and 105 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 2.
Example 3
The textile APEO remover comprises the following components in parts by mass: 42 parts of laurinol polyoxyethylene ether, 13 parts of fatty alcohol polyoxyethylene ether, 9 parts of isomeric decaol polyoxyethylene ether, 3.5 parts of diethylene glycol butyl ether, 5 parts of polyethylene glycol, 0.15 part of polyvinylpyrrolidone, 0.06 part of hydroxyethyl cellulose, 20 parts of magnesium sulfate, 3 parts of sodium citrate and 102 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 3.
Example 4
The textile APEO remover comprises the following components in parts by mass: 35 parts of laurinol polyoxyethylene ether, 16 parts of fatty alcohol polyoxyethylene ether, 5 parts of isomeric decaol polyoxyethylene ether, 3.2 parts of diethylene glycol butyl ether, 5.5 parts of polyethylene glycol, 0.18 part of polyvinylpyrrolidone, 0.02 part of hydroxyethyl cellulose, 28 parts of magnesium sulfate, 7 parts of sodium citrate and 108 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 4.
Example 5
The textile APEO remover comprises the following components in parts by mass: 38 parts of laurinol polyoxyethylene ether, 15 parts of fatty alcohol polyoxyethylene ether, 15 parts of isomeric decaol polyoxyethylene ether, 2.9 parts of diethylene glycol butyl ether, 6.5 parts of polyethylene glycol, 0.22 part of polyvinylpyrrolidone, 0.1 part of hydroxyethyl cellulose, 26 parts of magnesium sulfate, 5 parts of sodium citrate and 120 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 5.
Example 6
The textile APEO remover comprises the following components in parts by mass: 40 parts of laurinol polyoxyethylene ether, 14 parts of fatty alcohol polyoxyethylene ether, 8 parts of isomeric decaol polyoxyethylene ether, 4 parts of diethylene glycol butyl ether, 7.5 parts of polyethylene glycol, 0.25 part of polyvinylpyrrolidone, 0.05 part of hydroxyethyl cellulose, 23 parts of magnesium sulfate, 4 parts of sodium citrate and 106 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 6.
Example 7
The textile APEO remover comprises the following components in parts by mass: 32 parts of laurinol polyoxyethylene ether, 20 parts of fatty alcohol polyoxyethylene ether, 15 parts of isomeric decaol polyoxyethylene ether, 3.5 parts of diethylene glycol butyl ether, 8 parts of polyethylene glycol, 0.17 part of polyvinylpyrrolidone, 0.07 part of hydroxyethyl cellulose, 27 parts of magnesium sulfate, 4 parts of sodium citrate and 115 parts of deionized water. Wherein the polymerization degree of the laurinol polyoxyethylene ether is 7-10, and the average polymerization degree is 8.5. The polymerization degree of the fatty alcohol polyoxyethylene ether is 5-7, and the average polymerization degree is 6. The polymerization degree of the isomeric decaol polyoxyethylene ether is 6-8, and the flat polymerization degree is 7. The degree of polymerization of polyethylene glycol is 12-15, and the average degree of polymerization is 14. The molecular weight of polyvinylpyrrolidone is 8000-16000 and the average molecular weight is 13000. The molecular weight of the hydroxyethyl cellulose is 20 ten thousand to 35 ten thousand, and the average molecular weight is 29 ten thousand. Adding magnesium sulfate and sodium citrate into deionized water, stirring and dissolving, adding hydroxyethyl cellulose and polyvinylpyrrolidone, stirring and dissolving, adding other components, and stirring to obtain colorless, uniform, transparent and viscous textile APEO remover 7.
In order to demonstrate the advantageous effect of the textile APEO remover of the present invention, the present invention is also described in the following comparative examples.
Comparative example 1
The polymerization degree of laurinol polyoxyethylene ether in the above example 1 was changed to 11 to 16, the average polymerization degree was 14, and other conditions were unchanged, to obtain a textile APEO remover 8.
Comparative example 2
The degree of polymerization of the fatty alcohol-polyoxyethylene ether in example 1 was changed to 10 to 13, the average degree of polymerization was 12, and other conditions were unchanged, to obtain a textile APEO remover 9.
Comparative example 3
The component diethylene glycol butyl ether of example 1 above was removed, with the other conditions unchanged, to give textile APEO remover 10.
Comparative example 4
The polyvinyl pyrrolidone component of example 1 was removed, and the other conditions were unchanged, to obtain textile APEO remover 11.
Comparative example 5
The above component hydroxyethylcellulose of example 1 was removed, with the other conditions unchanged, to give textile APEO remover 12.
Comparative example 6
The fraction of polyvinylpyrrolidone component in example 1 was changed to 0.5 part, and the other conditions were unchanged, to obtain a textile APEO remover 13.
Comparative example 7
The fraction of the hydroxyethylcellulose component in example 1 was changed to 0.2 part, and the other conditions were unchanged, to obtain a textile APEO remover 14.
Textile APEO removal process
Step 1, immersing a textile to be treated in water to obtain a mixture, adding a textile APEO remover, wherein the mass ratio of the textile to be treated to water is 1:10, the dosage ratio of the textile APEO remover to water is 4g/L, immersing and washing the textile for 30 minutes at 50 ℃, and centrifuging the textile, wherein the textile APEO remover adopts the 14 textile APEO removers prepared in the above examples and comparative examples to treat the textile to be treated respectively. Wherein, the textile to be treated is a textile which is subjected to dyeing and finishing processing and uses dyeing and finishing auxiliaries, and the textiles to be treated adopted in comparative illustration examples 1, comparative examples 1-7 and blank comparison are the same textiles, and the APEO content is the same.
And 2, soaking the textile treated in the step 1 for 20 minutes at 50 ℃, wherein the mass ratio of the textile treated in the step 1 to the water in the step 2 is 1:15, and centrifuging and spin-drying the textile after soaking and washing are finished, and waiting for detection.
Performance detection and effect evaluation
The 14 textiles to be treated were treated with the 14 textile APEO removers according to the textile APEO removal method, respectively, and the APEO values before and after the textiles were treated in examples 1 to 7 and comparative examples 1 to 7 were measured by LC-MS method as specified in GB/T23222-2018 "determination of alkylphenol and alkylphenol ethoxylate of textile surfactants", and the results are shown in the following table:
TABLE 1 APEO residual quantity detection results
As can be seen from the table, the textiles treated by the APEO remover of the application in examples 1 to 7 have the APEO content lower than 50mg/kg and can meet the relevant domestic and foreign supervision requirements.
The textiles treated in comparative example 1 and comparative example 1 showed that the polyoxyethylene lauryl ether in example 1 had a degree of polymerization of 7 to 10, and had a better APEO removal effect than the polyoxyethylene lauryl ether in comparative example 1 had a degree of polymerization of 11 to 16, indicating that APEO in the textiles could be better replaced and APEO could be effectively removed when the polyoxyethylene lauryl ether had a degree of polymerization of 7 to 10.
The textiles treated in comparative examples 1 and 2 show that the degree of polymerization of the fatty alcohol-polyoxyethylene ether in example 1 is 5 to 7, which has a better APEO removal effect than the degree of polymerization of the fatty alcohol-polyoxyethylene ether in comparative example 2 is 10 to 13, indicating that APEO in the textiles can be better replaced when the degree of polymerization of the fatty alcohol-polyoxyethylene ether is 5 to 7, and APEO can be effectively removed.
Comparing the textiles treated in example 1 and comparative example 3, it was found that the diethylene glycol butyl ether added in example 1 provided a better APEO removal effect for the prepared textile APEO remover, and was able to effectively remove APEO.
The textiles treated in comparative examples 1 and 4 were found to have poor APEO removal effect in comparative example 4 and poor softness of the APEO treatment prepared in comparative example 4, which affects subsequent performance.
The textiles treated in comparative examples 1 and 5 showed that the APEO removal effect of comparative example 5 was poor, and the textile treated with the APEO treatment agent prepared in comparative example 5 had a fading phenomenon, which affected the dyeing fastness of the textile.
The textiles treated in comparative example 1 and comparative example 6 found that the increased amount of polyvinylpyrrolidone in comparative example 6 resulted in a poor APEO removal effect, indicating that excessive amounts of polyvinylpyrrolidone affected the synergy of the other components for APEO removal.
The textiles treated in comparative example 1 and comparative example 7 found that the amount of hydroxyethyl cellulose in comparative example 7 was increased so that the APEO removal effect was deteriorated, indicating that excessive amounts of hydroxyethyl cellulose could affect the synergy of other components for APEO removal.
Comparative example 1 and clean water washing, without the APEO remover of the present application, the APEO removal of example 1 is better.
Claims (9)
1. A method for textile APEO removal comprising the steps of:
Step 1, immersing a textile to be treated in water to obtain a mixture, adding a textile APEO remover, wherein the mass ratio of the textile to be treated to the water is 1:10, the dosage ratio of the textile APEO remover to the water is 4g/L, immersing and washing the textile for 30 minutes at 45-55 ℃, and centrifuging and spin-drying the textile; wherein, the textile APEO remover comprises the following components in parts by weight: 32-42 parts of laurinol polyoxyethylene ether, 13-20 parts of fatty alcohol polyoxyethylene ether, 5-15 parts of isomeric decaol polyoxyethylene ether, 1.8-4 parts of diethylene glycol butyl ether, 3-8 parts of polyethylene glycol, 0.1-0.3 part of polyvinylpyrrolidone, 0.02-0.1 part of hydroxyethyl cellulose, 20-30 parts of magnesium sulfate, 3-7 parts of sodium citrate and 85-120 parts of deionized water;
And 2, soaking the textile treated in the step 1 in water at 45-55 ℃ for 20 minutes, wherein the mass ratio of the textile treated in the step 1 to the water in the step 2 is 1:15, and centrifuging and spin-drying the textile after the soaking.
2. The method for removing APEO from textiles according to claim 1, wherein the textiles to be treated are various textiles which are subjected to dyeing and finishing processing and use dyeing and finishing auxiliaries.
3. The method for removing textile APEO according to claim 1, wherein the polymerization degree of the polyoxyethylene lauryl ether is 7 to 10.
4. The method for removing APEO from textiles according to claim 1, wherein the fatty alcohol polyoxyethylene ether has the general formula R0 (CH 2CH2O)n H, R is a C7 to C9 linear alkane and n is 5 to 7.
5. The method for removing textile APEO according to claim 1, wherein the degree of polymerization of the isomeric decaol polyoxyethylene ether is 6 to 8.
6. The method for textile APEO removal as defined in claim 1, wherein said polyethylene glycol has a degree of polymerization of 12 to 15.
7. The method for textile APEO removal of claim 1, wherein said polyvinylpyrrolidone has a molecular weight of 8000-16000.
8. The method for textile APEO removal as defined in claim 1, wherein said hydroxyethylcellulose has a molecular weight of 20 to 35 tens of thousands.
9. The textile APEO removal method according to claim 1, wherein the APEO remover comprises the following components in parts by mass: 35-38 parts of laurinol polyoxyethylene ether, 15-18 parts of fatty alcohol polyoxyethylene ether, 9-12 parts of isomeric decanol polyoxyethylene ether, 2.5-3 parts of diethylene glycol butyl ether, 5-7 parts of polyethylene glycol, 0.13-0.22 part of polyvinylpyrrolidone, 0.04-0.07 part of hydroxyethyl cellulose, 23-27 parts of magnesium sulfate, 4-5 parts of sodium citrate and 92-105 parts of deionized water.
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