CN102277729B - Dyeing and finishing process for preparing silk fabric with formaldehyde-removing function - Google Patents
Dyeing and finishing process for preparing silk fabric with formaldehyde-removing function Download PDFInfo
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Abstract
The invention relates to a dyeing and finishing process for preparing a silk fabric with a formaldehyde-removing function. The technical problem to be solved is to provide dyeing and finishing process for a silk fabric with a formaldehyde-removing function, wherein the process can provide the fabric with the function of removing formaldehyde effectively, and the fabric has abundant colors. The technical scheme is that the finishing process for a silk fabric with a formaldehyde-removing function comprises the following steps of: 1) finishing, wherein the using amount of a tea polyphenol formaldehyde-removing finishing agent is 5%-10% of the fabric weight; 2) complexing. The dyeing and finishing process for a silk fabric with a formaldehyde-removing function comprises the following steps of: 1) dyeing, wherein a proper amount of acid dyes are used, and the using amount of the tea polyphenol formaldehyde-removing finishing agent is 5%-10% of the fabric weight; 2) complexing. The dyeing and finishing process for a silk fabric with a formaldehyde-removing function comprises the following steps of: 1) dyeing, wherein a proper amount of active dyes are used, and the using amount of the tea polyphenol formaldehyde-removing finishing agent is 5%-10% of the fabric weight; 2) soaping; 3) complexing.
Description
Technical field
The present invention relates to a kind of dyeing and finishing technology of functional fabric, especially have the dyeing and finishing technology of the real silk fabric of function of removing formaldehyde.
Background technology
Along with the raising of living standard, cause people's common concern gradually by room air pollution due to interior decoration, the ornament materials and the health problem that causes thus.Formaldehyde is a kind of high volatile volatile organic matter, and pollution sources are many, and pollution concentration is high, and longer duration has become the major pollutants in the new family of China finishing.
The harm that formaldehyde causes health is extremely serious, and it has the strong impulse effect to human body mucous membrane and skin, and high concentration serious stimulation of respiratory tract and oedema can occur when sucking, and resistance of respiratory tract is increased, and respiratory rate descends; Low concentration sucks and can cause continuing headache, unable, insomnia etc.Long term exposure can cause dermatitis, abnormal pulmonary function, dysfunction of liver, immune system abnormality, central nervous system influenced under the formaldehyde environment, the inhereditary material in also maybe damaging cells.
Have people's all one's life spend indoor, IAQ and human health were closely bound up 90% time.For this reason, people improve IAQ for removing the formaldehyde in the room air, have made unremitting effort, have also obtained certain progress.Removing the formaldehyde method at present has physisorphtion, chemical reaction method and photocatalytic oxidation etc. usually, but ubiquity formaldehyde clearance is not high, and some causes secondary pollution easily, and especially photocatalytic oxidation must just have except that the formaldehyde effect under action of ultraviolet light.Also the someone studies from natural plants and to extract the active component with function of removing formaldehyde, and is affixed to these active components and makes fabric have the function except that formaldehyde on the fabric.Wherein, patent CN 101649546A has adopted active component OPC (OPC) development of from grape pip, Grape Skin, larch, extracting to have the silk fiber of function of removing formaldehyde; Patent CN101532245A has adopted and a kind ofly from myrobalan, has extracted the method for the finishing agent with function of removing formaldehyde and use at protein fibre, nylon fibre, cellulose fibre.But because the chromatogram of active ingredient of natural plant limitation, the fabric color with function of removing formaldehyde is more single, is difficult to satisfy market demands.
Summary of the invention
Technical problem to be solved by this invention provides a kind of dyeing and finishing technology with real silk fabric of function of removing formaldehyde, and this technology should be able to be given fabric and effectively removed the formaldehyde function, and the rich color of fabric.
Technical scheme provided by the invention is:
Have the finishing technique of the real silk fabric of function of removing formaldehyde, may further comprise the steps:
1), arrangement: it is that the 5%-10% of fabric weight (is o.w.f that Tea Polyphenols removes formaldehyde finishing agent consumption; As follows); Add HAc adjustment pH value and be 4-6, or add NaHCO3 or Na2CO3 adjustment pH value is 8-9,68 ℃-75 ℃ of temperature, time 50-60min, bath raio is 1: 20-40;
2), complexing: environmental protection complexing agent alum or rare earth or ferrous sulfate consumption are the 2.5%-5.0% of fabric weight, 65 ℃-70 ℃ of temperature, time 30-40min.
Have the dyeing and finishing technology of the real silk fabric of function of removing formaldehyde, may further comprise the steps:
1), dyeing: ACID DYES is an amount of, and it is the 5%-10% of fabric weight that Tea Polyphenols removes formaldehyde finishing agent consumption, glauber salt 0-5g/L, adding HAc adjustment pH value is 4-6,85 ℃-95 ℃ of temperature, time 50-60min, bath raio is 1: 20-40;
2), complexing: environmental protection complexing agent alum or rare earth or ferrous sulfate consumption are the 2.5%-5.0% of fabric weight, 65 ℃-70 ℃ of temperature, time 30-40min.
Have the dyeing and finishing technology of the real silk fabric of function of removing formaldehyde, may further comprise the steps:
1), dyeing: REACTIVE DYES are an amount of, and it is the 5%-10% of fabric weight that Tea Polyphenols removes formaldehyde finishing agent consumption, glauber salt 20-60g/1, bath raio is 1: 20-30, handle 45min, add NaHCO for 40 ± 2 ℃
3Or Na
2CO
3Adjustment pH value is 8.5-9.5, is warming up to 65 ℃-75 ℃ and handles 40-60min; 50 ℃ of washing 10min;
2), soap: soaping agent 1-2g/L, 80 ℃-90 ℃ processing 15-20min;
3), complexing: environmental protection complexing agent alum or rare earth or ferrous sulfate consumption are the 2.5%-5.0% of fabric weight, 65 ℃-70 ℃ of temperature, time 30-40min.
The preparation method that described Tea Polyphenols removes the formaldehyde finishing agent is:
Adding surfactant and filler carry out composite in the Tea Polyphenols distilled and concentrated solution; The ratio of Tea Polyphenols, surfactant, filler is 10: 0.4～0.6: 0.8～1.2; Surfactant is made up of anion surfactant and non-ionic surface active agent, and its ratio is 1: 1; Mix, vacuumize then, be cured, pulverize, obtaining pulverulent solids (size of powder particle is confirmed as required) is that Tea Polyphenols removes the formaldehyde finishing agent.
The method for distilling of described Tea Polyphenols distilled and concentrated solution is: tealeaves is pulverized processed Powderedly, joining 5～25 times of concentration is in 20～80% ethanolic solutions, is warming up to 40 ℃～80 ℃, and insulation 20～60min filters; Extraction time 1-3 time; Merge extract, distillation concentrates and gets final product.
Said anion surfactant is a kind of among detergent 209 or dispersing agent NNO or the detergent LS or wherein any two kinds.
Said non-ionic surface active agent is a kind of among paregal O or penetrating agent JFC or the diffusant WA or wherein any two kinds.
Said filler is a glauber salt.
The invention has the beneficial effects as follows:
1, can effectively remove the formaldehyde (detect through national chemical building material quality supervision and test center, the formaldehyde clearance can reach 87.2%) in the room air through the real silk fabric after arrangement of the present invention or the dyeing and finishing;
2, adopt and can process except that the formaldehyde finishing agent with the Tea Polyphenols that effective chemical reaction takes place formaldehyde, raw material sources are rich and easy to get.
3, Tea Polyphenols and ACID DYES or REACTIVE DYES are carried out the co-bathing dyeing arrangement to real silk fabric, make fabric obtain to remove formaldehyde
Has multiple colourful color in the time of function.
The specific embodiment
Tea Polyphenols is the general name of polyphenols in the tealeaves, comprises materials such as flavanol compound, anthocyanin class, flavonoids, flavonols and phenolic acid class, and is wherein important with flavanol compound material (catechin).Modern medicine study shows, Tea Polyphenols has very strong anti-oxidant, the ability of removing free radical, and the effect of antibiotic, sterilization, inhibition cancer cell and AIDS virus is arranged, the effect of anti-ageing in addition, radioresistance, cleaning smoker lung nicotine.Moreover, Tea Polyphenols also has very strong reactivity, can effectively catch airborne free formaldehyde.
Adopt special dyeing and finishing processing method to put in order on the real silk fabric Tea Polyphenols, fabric can obtain good function of removing formaldehyde.Its action principle mainly be when beginning formaldehyde be adsorbed to very soon on the fabric, then with fabric on Tea Polyphenols generation chemical reaction.The phenolic hydroxyl group that contains capacity in the Tea Polyphenols has stronger reactivity, and has 1,2,3,-thrihydroxy-benzene type structure, formaldehyde can with C-6 position in this structure and C-8 position on necleophilic reaction takes place.The process of this absorption-reaction is slowly carried out, and the environment facies that this and indoor formaldehyde discharge very lentamente coincide.In this special dyeing and finishing technology, Tea Polyphenols can with multiple metal ion generation complexing, this helps the raising of fabric washing fastness and the lasting performance of function of removing formaldehyde.Sample detects through national chemical building material quality supervision and test center; The formaldehyde clearance reaches 87.2%, and (concrete detection method is: initial concentration of formaldehyde 4.7mg/m3 in the 1m3 gas-tight silo; That puts into 440mm * 440mm removed the formaldehyde fabric after 20 hours; Concentration of formaldehyde is reduced to 0.6mg/m3 in the gas-tight silo), and fabric still can reach 76.3% through 10 later formaldehyde clearances of washing.
Practical implementation can be divided into independent employing Tea Polyphenols and remove formaldehyde finishing agent and acidic dye co-bathing dyeing finishing technique except that formaldehyde finishing agent (being TP-Rf), Tea Polyphenols: (first co-bathing dyeing; Back complexing) and Tea Polyphenols remove formaldehyde finishing agent and REACTIVE DYES co-bathing dyeing finishing technique: (first co-bathing dyeing, back complexing).
Can adopt separately some fabric of seldom washing and to put in order with Tea Polyphenols.But the fabric of putting in order except that the formaldehyde finishing agent with Tea Polyphenols separately is light yellow, and fabric presented smoky gray, light brown, apricot respectively after employing ferrous sulfate, alum, rare earth carried out complexing, and color is comparatively dull.Also can adopt Tea Polyphenols to remove the arrangement of formaldehyde finishing agent to colored fabric (dyeing, stamp, look knit etc.) and make it have function of removing formaldehyde, but because coloured change, and color change is difficult holds, generally will not adopt.
Select different ACID DYESs, different complexing agents, can make fabric when having function of removing formaldehyde, obtain various color.
Select different activity dyestuff, different complexing agent, can make fabric when having function of removing formaldehyde, obtain various color.
Embodiment
1. real silk home-textile (colored woven fabric) Tea Polyphenols is put in order separately
Arrangement: TP-Rf 5.0% (o.w.f), 68 ℃ of temperature, time 60min, adding HAc adjustment pH value is 4.0, bath raio 1: 20.
Color: originally color slightly changes.
Through detecting: formaldehyde clearance: 68.14%.
2. heavy crape smoky gray
Arrangement: TP-Rf 8.0% (o.w.f), 72 ℃ of temperature, time 55min adds NaHCO
3Adjustment pH value is 8.5-9, bath raio 1: 30.
Complexing: ferrous sulfate 4.0% (o.w.f), 68 ℃ of temperature, time 35min.
Color: smoky gray.
Through detecting: formaldehyde clearance: 81.23%.
3. plain crepe-back satin apricot Tea Polyphenols is put in order separately
Arrangement: TP-Rf 10.0% (o.w.f), 75 ℃ of temperature, time 50min, adding HAc adjustment pH value is 6.0, bath raio 1: 40.
Complexing: rare earth 5.0% (o.w.f), 70 ℃ of temperature, time 30min.
Color: apricot.
Through detecting: formaldehyde clearance: 88.42%.
4. pale brown look Tea Polyphenols of plain crepe-back satin and the arrangement of weak acid yellow G co-bathing dyeing
Dyeing: weak acid yellow G 1.5% (o.w.f), TP-Rf 7.0% (o.w.f), glauber salt 3g/l, adding HAc adjustment pH value is 4.0,95 ℃ of temperature, time 50min, bath raio 1: 40.
Complexing: alum 3.5% (o.w.f), 65 ℃ of temperature, time 40min.
Color: pale brown look.
Through detecting: formaldehyde clearance: 77.11%.
5. crepe de Chine purple Tea Polyphenols and acidic dye co-bathing dyeing arrangement
Dyeing: weak acid red 10B 0.6% (o.w.f), weak acid blue A-R 1.7% (o.w.f), glauber salt 5g/l, TP-Rf5% (o.w.f), to add HAc adjustment pH value be 6,90 ℃ of temperature, time 55min, bath raio 1: 30.
Complexing: alum consumption 2.5% (o.w.f), 70 ℃ of temperature, time 30min.
Color: purple.
Through detecting: formaldehyde clearance: 70.60%.
6. heavy crape light green color Tea Polyphenols and acidic dye co-bathing dyeing arrangement
Dyeing: the gorgeous blue G 0.7% of faintly acid (o.w.f), TP-Rf 10% (o.w.f), to add HAc adjustment pH value be 5.5,85 ℃ of temperature, time 60min, bath raio 1: 20.
Complexing: rare earth consumption 5.0% (o.w.f), 68 ℃ of temperature, time 35min.
Color: light green color.
Through detecting: formaldehyde clearance: 82.18%.
7. tall its pale brown look Tea Polyphenols and the arrangement of reactive yellow AES co-bathing dyeing
Dyeing: reactive yellow AES 2.5% (o.w.f), TP-Rf 10.0% (o.w.f), bath raio 1: 20 is handled 45min, is added NaHCO for 40 ℃
3Adjustment pH value is 8.5-9, is warming up to 65 ℃ and handles 60min; 50 ℃ of washing 10min.
Soap: soaping agent 1.5g/L, handle 20min for 80 ℃, bath raio is 1: 20.
Complexing: alum consumption 5.0%, 70 ℃ of temperature, time 30min.
Color: pale brown look.
Through detecting: formaldehyde clearance: 85.43%.
8. crepe de Chine dusty blue Tea Polyphenols and REACTIVE DYES co-bathing dyeing arrangement
Dyeing: reactive blue AET 2.0% (o.w.f), TP-Rf 5.0% (o.w.f), bath raio 1: 30 is handled 45min, is added NaHCO for 40 ℃
3Adjustment pH value is 8.5-9, is warming up to 75 ℃ and handles 45min; 50 ℃ of washing 10mm.
Soap: soaping agent 2.0g/L, handle 15min for 85 ℃, bath raio is 1: 20.
Complexing: ferrous sulfate consumption 3.0%, 68 ℃ of temperature, time 35min.
Color: dusty blue.
Through detecting: formaldehyde clearance: 71.33%.
9. red Tea Polyphenols of plain crepe-back satin and the arrangement of reactive red B-6BF co-bathing dyeing
Dyeing: reactive red B-6BF 4% (o.w.f), TP-Rf 8% (o.w.f), bath raio 1: 40 is handled 45min, is added NaHCO for 40 ℃
3Adjustment pH value is 8.5-9, is warming up to 70 ℃ and handles 50min; 50 ℃ of washing 10min.
Soap: soaping agent 1.5g/L, handle 15min for 90 ℃, bath raio is 1: 20.
Complexing: rare earth consumption 4.0%, 65 ℃ of temperature, time 40min.
Color: redness.
Through detecting: formaldehyde clearance: 82.23%.
Need to prove that available wool fabric or nylon fabric replace silk fabric to obtain to have versicolor function of removing formaldehyde fabric through the independent finishing technique of the Tea Polyphenols in the inventive method or Tea Polyphenols and acidic dye co-bathing dyeing finishing technique; Also usable fibers cellulose fiber fabric replaces silk fabric to obtain to have versicolor function of removing formaldehyde fabric through the independent finishing technique of the Tea Polyphenols in the inventive method or Tea Polyphenols and REACTIVE DYES co-bathing dyeing finishing technique.
Claims (7)
1. preparation has the dyeing and finishing technology of function of removing formaldehyde real silk fabric, may further comprise the steps:
1), arrangement: it is the 5%-10% of fabric weight that Tea Polyphenols removes formaldehyde finishing agent consumption, adds HAc adjustment pH value and is 4-6, or add NaHCO
3Or Na
2CO
3Adjustment pH value is 8-9,68 ℃-75 ℃ of temperature, time 50-60min, bath raio 1: 20-40;
2), complexing: environmental protection complexing agent alum or rare earth or ferrous sulfate consumption are the 2.5%-5.0% of fabric weight, 65 ℃-70 ℃ of temperature, time 30-40min;
The preparation method that described Tea Polyphenols removes the formaldehyde finishing agent is:
Adding surfactant and filler carry out composite in the Tea Polyphenols distilled and concentrated solution; The ratio of Tea Polyphenols, surfactant, filler is 10: 0.4～0.6: 0.8～1.2; Surfactant is made up of anion surfactant and non-ionic surface active agent, and its ratio is 1: 1; Mix, vacuumize then, be cured, pulverize, obtaining pulverulent solids is that Tea Polyphenols removes the formaldehyde finishing agent.
2. preparation has the dyeing and finishing technology of function of removing formaldehyde real silk fabric, may further comprise the steps:
1), dyeing: ACID DYES is an amount of, and it is the 5%-10% of fabric weight that Tea Polyphenols removes formaldehyde finishing agent consumption, glauber salt 0-5g/L, adding HAc adjustment pH value is 4-6,85 ℃-95 ℃ of temperature, time 50-60min, bath raio is 1: 20-40;
2), complexing: environmental protection complexing agent alum or rare earth or ferrous sulfate consumption are the 2.5%-5.0% of fabric weight, 65 ℃-70 ℃ of temperature, time 30-40min;
The preparation method that described Tea Polyphenols removes the formaldehyde finishing agent is:
Adding surfactant and filler carry out composite in the Tea Polyphenols distilled and concentrated solution; The ratio of Tea Polyphenols, surfactant, filler is 10: 0.4～0.6: 0.8～1.2; Surfactant is made up of anion surfactant and non-ionic surface active agent, and its ratio is 1: 1; Mix, vacuumize then, be cured, pulverize, obtaining pulverulent solids is that Tea Polyphenols removes the formaldehyde finishing agent.
3. preparation has the dyeing and finishing technology of function of removing formaldehyde real silk fabric, may further comprise the steps:
1), dyeing: REACTIVE DYES are an amount of, to remove formaldehyde finishing agent consumption be the 5%-10% of fabric weight to Tea Polyphenols, glauber salt 20-60g/l, bath raio is 1: 20-30, handle 45min, add NaHCO for 40 ± 2 ℃
3Or Na
2CO
3Adjustment pH value is 8.5-9.5, is warming up to 65 ℃-75 ℃ and handles 40-60min, 50 ℃ of washing 10min;
2), soap: soaping agent 1-2g/L, 80 ℃-90 ℃ processing 15-20min;
3), complexing: environmental protection complexing agent alum or rare earth or ferrous sulfate consumption are the 2.5%-5.0% of fabric weight, 65 ℃-70 ℃ of temperature, time 30-40min;
The preparation method that described Tea Polyphenols removes the formaldehyde finishing agent is:
Adding surfactant and filler carry out composite in the Tea Polyphenols distilled and concentrated solution; The ratio of Tea Polyphenols, surfactant, filler is 10: 0.4～0.6: 0.8～1.2; Surfactant is made up of anion surfactant and non-ionic surface active agent, and its ratio is 1: 1; Mix, vacuumize then, be cured, pulverize, obtaining pulverulent solids is that Tea Polyphenols removes the formaldehyde finishing agent.
4. the dyeing and finishing technology that has the function of removing formaldehyde real silk fabric according to claim 1 or 2 or 3 described preparations; It is characterized in that: the method for distilling of described Tea Polyphenols distilled and concentrated solution is: process the tealeaves pulverizing Powdered; Joining 5～25 times of concentration is in 20～80% ethanolic solutions; Be warming up to 40 ℃～80 ℃, insulation 20～60min filters; Extraction time 1-3 time; Merge extract, distillation concentrates and gets final product.
5. preparation according to claim 4 has the dyeing and finishing technology of function of removing formaldehyde real silk fabric, it is characterized in that: said anion surfactant is a kind of among detergent 209 or dispersing agent NNO or the detergent LS or wherein any two kinds.
6. preparation according to claim 5 has the dyeing and finishing technology of function of removing formaldehyde real silk fabric, it is characterized in that: said non-ionic surface active agent is a kind of among paregal O or penetrating agent JFC or the diffusant WA or wherein any two kinds.
7. preparation according to claim 6 has the dyeing and finishing technology of function of removing formaldehyde real silk fabric, it is characterized in that: said filler is a glauber salt.
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| CN104264466A (en) * | 2014-09-25 | 2015-01-07 | 苏州印丝特纺织数码科技有限公司 | Method for finishing silk fabric with formaldehyde removal function |
| CN105316929A (en) * | 2014-11-29 | 2016-02-10 | 耿云花 | Preparation method of formaldehyde-removing cotton fabric |
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| CN106521844A (en) * | 2016-10-24 | 2017-03-22 | 苏州维度丝绸有限公司 | Silk and satin fabric dyeing and finishing method |
| CN107443838A (en) * | 2017-08-09 | 2017-12-08 | 浙江联翔家居装饰股份有限公司 | One kind removes formaldehyde embroidery wall cloth production technology |
| US20190143301A1 (en) * | 2017-11-13 | 2019-05-16 | Honeywell International Inc. | Materials for removing air pollutants |
| CN110761088A (en) * | 2019-11-28 | 2020-02-07 | 张家界乖幺妹土家织锦开发有限公司 | Wax printing dye and wax printing method |
| CN115161133B (en) * | 2022-08-02 | 2023-12-01 | 晋江市盛星新材料科技有限公司 | Whitening and degreasing agent for cotton fabric, and preparation method and application method thereof |
| CN115198544B (en) * | 2022-08-25 | 2024-07-02 | 浙江理工大学 | A method for active grafting dyeing of silk based on light-induced |
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