CN115852719B - Silicon-containing color fixing auxiliary agent and application thereof in cotton printing and dyeing - Google Patents
Silicon-containing color fixing auxiliary agent and application thereof in cotton printing and dyeing Download PDFInfo
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- CN115852719B CN115852719B CN202211231714.4A CN202211231714A CN115852719B CN 115852719 B CN115852719 B CN 115852719B CN 202211231714 A CN202211231714 A CN 202211231714A CN 115852719 B CN115852719 B CN 115852719B
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 12
- 239000010703 silicon Substances 0.000 title claims abstract description 12
- 239000012752 auxiliary agent Substances 0.000 title claims description 6
- 238000004043 dyeing Methods 0.000 title description 11
- 239000004744 fabric Substances 0.000 claims abstract description 40
- 229920013822 aminosilicone Polymers 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 18
- 125000001302 tertiary amino group Chemical group 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000003513 alkali Substances 0.000 claims abstract description 9
- XSFWXFNRRQJFKN-UHFFFAOYSA-N 1-chloro-2-ethenylsulfonylethane Chemical group ClCCS(=O)(=O)C=C XSFWXFNRRQJFKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005956 quaternization reaction Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 229920002545 silicone oil Polymers 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims description 4
- DRRZZMBHJXLZRS-UHFFFAOYSA-N n-[3-[dimethoxy(methyl)silyl]propyl]cyclohexanamine Chemical compound CO[Si](C)(OC)CCCNC1CCCCC1 DRRZZMBHJXLZRS-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- -1 tetramethylammonium hydroxide silicon alkoxide Chemical class 0.000 claims description 2
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 claims 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 claims 1
- 238000005580 one pot reaction Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 11
- 239000000975 dye Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000000985 reactive dye Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 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
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- FHLZUEPKLGQEQP-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]-n,n-diethylpropan-1-amine Chemical compound CCN(CC)CCC[Si](C)(OC)OC FHLZUEPKLGQEQP-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000002390 rotary evaporation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a silicon-containing fixation aid which is prepared by quaternization reaction of tertiary amino silicone oil and (2-chloroethanesulfonyl) ethylene. The fixation aid can adopt a one-pot method to fix and finish dyed cotton fabrics at the same time, and specifically comprises the following steps: washing and drying the dyed cotton fabric, immersing the dyed cotton fabric in a siliceous fixation aid, immersing the dyed cotton fabric at 60 ℃ for 30min, adding alkali to adjust pH=7-8, and preserving heat for 20min; and then washing, soaping, washing and drying the treated cotton fabric. The method shortens the process flow and simultaneously solves the problems of pollution emission and low rubbing color fastness of the color fixing process in the prior art.
Description
Technical Field
The invention belongs to the technical field of printing and dyeing, and particularly relates to a silicon-containing color fixing auxiliary agent and application thereof in cotton printing and dyeing.
Background
Cotton and other cellulosic fibers are often dyed with reactive dyes. In the reactive dye dyeing process, a large amount of salt is required to be added to promote dye-uptake, and fixation is required to be carried out under high-alkali conditions in the later dyeing period. In the fixation process, a part of reactive dye reacts with cellulose fiber under the action of alkali to form covalent bond combination; at the same time, the dye which does not react with the fiber is partially hydrolyzed under alkaline conditions and adsorbed on the fiber. These unfixed dyes directly lead to a decrease in the color fastness of the dyed fabric. Therefore, in practical production, a color fixing agent is commonly used for fixing the dyed fabric so as to improve color fastness. With the development of society, people are increasingly researching environment-friendly formaldehyde-free color fixing agents. The polyamine type color fixing agent is a high molecular compound formed by the reaction of diethylenetriamine and dicyandiamide and the steps of condensation, deamination, polycondensation and the like, and the structure of the polyamine type color fixing agent contains more reactive groups and can be combined with dye and fiber in a covalent bond way, so that the color fastness of the fabric is improved. However, a large amount of ammonia gas is generated during the reaction, which makes the production limited. The other is a polycation type color fixing agent (polydimethyldiallyl ammonium chloride, PDADMAC) which is prepared by polymerizing a cationic monomer of dimethyldiallyl ammonium chloride (DADMAC) in an aqueous solution through free radicals. PDADMAC has positive charges with higher density, can be combined with dye anions in an ionic bond way, and improves the color fastness of the fabric. However, due to the excellent water solubility of PDADMAC, the color-fixed fabrics have poor washing fastness, and most of the dye still enters the water phase through washing under the action of mechanical external force. Therefore, the development of a novel fixing agent and the application of the novel fixing agent to reactive dye cotton dyeing are of great significance.
Disclosure of Invention
Aiming at the technical current situation of dyeing cotton fixation, the invention provides a silicon-containing fixation auxiliary agent, which can be used for simultaneously fixing and finishing dyed cotton fabric by a one-pot method, shortens the process flow, and simultaneously solves the problems of pollution emission and low friction-resistant color fastness of the fixation process in the prior art.
The invention is realized in such a way that the invention provides the following technical scheme: a silicon-containing fixation aid has the following molecular structure:
wherein m/n=1 to 5:1.
Further, the preparation method of the modified silicone oil comprises the following steps:
hydrolyzing N, N-diethyl amine propyl methyl dimethoxy silane with anhydrous diethyl ether as solvent under alkaline condition to prepare total grafted tertiary amino silicone oil; further, the N, N-diethyl amine propyl methyl dimethoxy silane is mixed with D according to the metering ratio 4 Mixing with MM, and heating to react under the catalysis of tetramethylammonium hydroxide silicon alkoxide to prepare tertiary amino silicone oil.
And (3) taking ethanol as a solvent, and carrying out quaternization reaction on tertiary amino silicone oil and (2-chloroethanesulfonyl) ethylene to obtain the modified silicone oil.
The invention provides a silicon-containing fixation aid which is applied to cotton fabrics, and the specific application comprises the following steps:
(1) Washing and drying the dyed cotton fabric, immersing the dyed cotton fabric in a modified silicone oil solution, immersing the dyed cotton fabric at 60 ℃ for 30min, adding alkali to adjust pH=7-8, and preserving heat for 20min.
(2) And (3) washing, soaping, water washing and drying the treated cotton fabric.
Further, in the step (1), the modified silicone oil solution is an aqueous solution, the bath ratio is 1:10, and the dosage is 5% o.w.f.
Further, in the step (1), the alkali is NaOH or Na 2 CO 3 One or more of the following.
Further, the drying in the step (2) refers to pre-drying the cotton fabric at 80-100 ℃ for 5-20 min and then baking at 120-140 ℃ for 2-20 min.
Color fixation finishing process principle:
after the pH is regulated to be alkaline, hydroxyl groups of the cotton fabric are protonated and crosslinked with vinyl groups in the silicone oil, so that the silicone oil is bonded on the fabric, the adhesion rate of the curing finishing agent is improved, and the fabric is endowed with lasting antibacterial property, flexibility and color fastness.
The invention has the following advantages and beneficial effects:
(1) The cotton fabric provided by the invention has soft hand feeling, and the friction color fastness and the soaping color fastness are greatly improved compared with the common color fixation finishing process (soft finishing after alkali fixation) by the aid of the color fixation alkali liquor.
(2) The invention provides a silicon-containing color fixing auxiliary agent, which can be used for fixing and finishing dyed cotton fabrics simultaneously by a one-pot method, shortens the process flow, and simultaneously solves the problems of pollution emission and low friction and color fastness of the color fixing process in the prior art.
Drawings
FIG. 1 shows tertiary amino silicone oil (PtAMS-2) 1 H-NMR。
FIG. 2 shows a modified silicone oil (PtAMS-2 as a raw material) 1 H-NMR。
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention in any way. Unless specifically stated otherwise, the reagents, methods and apparatus employed in the present invention are those conventional in the art.
The invention tests:
(1) Softness test: the effect of the finishing agent on the treated fabric is evaluated by feeling the combination factors such as the bulk, softness, rebound resilience and smoothness of the treated fabric by touching with hands, and the hand feeling is classified into 5 grades, the higher the grade is, the better the grade is, the 5 grades are the best, and the grade 1 is the lowest.
(2) Color fastness testing:
the fastness to soaping is determined according to the method of GB/T3921-2008 "fastness to soaping for textile color fastness test".
The rubbing fastness was determined according to GB/T3920-2008 "rubbing fastness to fabric fastness test".
Example 1
Preparing modified silicone oil.
S1: preparation of tertiary amino silicone oil
100mL of anhydrous diethyl ether and 60g of N, N-diethylaminopropyl methyl dimethoxy silane are added into a three-neck flask equipped with an electric stirrer, a thermometer and a reflux condenser, the mixture is stirred and heated to 40 ℃, 17g of 20wt% NaOH aqueous solution is slowly added dropwise, the hydrolysate is poured into a separating funnel after 4 hours, the mixture is washed with water until the pH value is 8, and an ether layer is prepared by using anhydrous MgSO 4 Drying, filtering and evaporating diethyl ether to obtain the full-grafted tertiary amino silicone oil, wherein the amine value measured by a non-aqueous titration method is 4.24mmol/g.
Is provided with N 2 Adding full-grafted tertiary amino silicone oil into a four-neck flask of a protection device, an electric stirrer, a thermometer and a condenser tube, and D 4 And (2) the MM and the tetramethylammonium hydroxide accounting for 1 weight percent of the total mass of the raw materials are heated to 90 ℃ to react for 9 hours, then heated to 150 ℃ and stirred for 30 minutes to decompose the catalyst. And (3) removing small molecular low-boiling substances by rotary evaporation at 120 ℃ to obtain the target product tertiary amino silicone oil.
The amine number and molecular weight of the tertiary amino silicone oil (PtAMS) at various dosages are shown in the following table.
TABLE 1
The number average molecular weight (Mn) was measured by using a Waters 515-2414 type gel permeation chromatograph, chloroform as the mobile phase, a flow rate of 1mL/min, a detector temperature of 35℃and a column temperature of 40℃and a narrow distribution of Polystyrene (PS) as the standard.
S2: preparation of modified silicone oil
Adding tertiary amino silicone oil, absolute ethyl alcohol and heating to 90 ℃ into a three-port reaction bottle provided with a thermometer, a stirring device and a condenser tube, starting to dropwise add an ethanol solution of (2-chloroethanesulfonyl) ethylene, carrying out heat preservation reflux reaction for 30h, removing a solvent by evaporation, dissolving and dialyzing for 3d again by water to remove (2-chloroethanesulfonyl) ethylene, and drying to obtain the modified silicone oil. The ratio of the amine group molar quantity of the tertiary amino silicone oil to the molar quantity of the (2-chloroethanesulfonyl) ethylene is 1:3.
example 2
The cotton fabric adopts bleached and mercerized pure cotton knitted fabric (21 counts, 180 g/m) 2 And (3) cargo number: DM1, manufacturer: guangzhou Fuguang Kongya textile dyeing and finishing plant), cotton fabrics are dyed using the following conditions: the dye is active scarlet 3BS (purchased from Zhejiang leap soil Co., ltd.) with the dosage of 3% o.w.f, the bath ratio of 1:10, the temperature of 60 ℃ and the time of 60min; washing with water (bath ratio 1:10, temperature 60 ℃ for 10 min); drying (120 ℃ C., 20 min) was performed.
And (3) immersing the dyed cloth in a modified silicone oil solution for fixation, immersing at 60 ℃ for 30min (bath ratio is 1:10, the dosage is 5% o.w.f.), adding NaOH solid to adjust pH=7-8, preserving heat for 20min, and taking out the fabric for the next step.
Firstly, washing with water (bath ratio 1:10, temperature 60 ℃ C., time 10 min), and then, washing with soap (2 g/L DB-5, bath ratio 1:10, temperature 90 ℃ C., time 20 min); then water washing (bath ratio 1:10, temperature 60 ℃ C., time 10 min); drying (120 ℃ C., 20 min).
The treatment recipe for the swatches is shown in table 2 below.
TABLE 2
| Sample of | Modified silicone oil numbering |
| Sample cloth 1 | PtAMS-1 |
| Sample cloth 2 | PtAMS-2 |
| Sample cloth 3 | PtAMS-3 |
| Sample cloth 4 | PtAMS-4 |
Comparative example 1
The cotton fabric is dyed, fixed and finished in a conventional manner and is marked as sample 5.
The specific flow is as follows: padding dyeing, drying (80 ℃), impregnating fixation, steaming (100 ℃,70 seconds), washing (bath ratio 1:10, 60 ℃,10 minutes), soaping (2 g/L DB-5, bath ratio 1:10, 90 ℃,20 minutes), washing (bath ratio 1:10, 60 ℃,10 minutes), drying (80 ℃), padding finishing liquid, drying (10 minutes pre-baking at 90 ℃,5 minutes baking at 120 ℃).
Padding and dyeing: active scarlet 3BS (the dosage is 3% o.w.f), anhydrous sodium sulphate 50g/L; the rolling surplus rate is 65 percent.
Color fixing liquid: 6g/L sodium hydroxide, 20g/L sodium carbonate and 200g/L sodium chloride; the bath ratio is 1:10, the temperature is 60 ℃, and the time is 60min.
Finishing liquid: amino silicone oil (amine value 0.6mmol/g, viscosity 5000cP, purchased from Jinan Xinglong chemical industry Co., ltd.) 30%, emulsifier 5% (TO-5/TO-7=1:1), and water in balance; the rolling surplus rate is 80 percent.
Comparative example 2
The fixing liquid in comparative example 1 is changed to a commercial formaldehyde-free fixing agent GD-80 (purchased from Federal Kete), and the fixing liquid is specifically: aldehyde-free fixing agent GD-804g/L; the bath ratio was 1:10, the temperature was 60℃for 60 min), and the sample was designated as sample 6.
The results of each test of the finished fabric are shown in Table 3.
Table 3:
the above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (7)
1. The siliceous color fixing auxiliary agent is characterized by having the following molecular structure:
wherein m/n=1 to 5:1.
2. The method for preparing the siliceous fixing aid according to claim 1, comprising the following steps: hydrolyzing N, N-diethyl amine propyl methyl dimethoxy silane with anhydrous diethyl ether as solvent under alkaline condition to prepare total grafted tertiary amino silicone oil; further, the N, N-diethyl amine propyl methyl dimethoxy silane is mixed with octamethyl cyclo-tetra siloxane D according to the metering ratio 4 Mixing with hexamethyldisiloxane MM, and heating to react under the catalysis of tetramethylammonium hydroxide silicon alkoxide to obtain tertiary amino silicone oil;
taking ethanol as a solvent, and carrying out quaternization reaction on tertiary amino silicone oil and (2-chloroethanesulfonyl) ethylene to obtain modified silicone oil; the amine value of the tertiary amino silicone oil is 1.6-3.5 mmol/g; the ratio of the amine group molar quantity of the tertiary amino silicone oil to the molar quantity of the (2-chloroethanesulfonyl) ethylene is 1:3.
3. the use of a siliceous fixing aid according to claim 1, wherein the siliceous fixing aid is applied to pure cotton fabrics.
4. The use of a silicon-containing fixing aid according to claim 3, characterized in that the silicon-containing fixing aid is applied in the following manner:
(1) Washing the dyed fabric with water, drying, immersing in modified silicone oil solution, immersing at 60 ℃ for 30min, adding alkali to adjust pH=7-8, and preserving heat for 20min;
(2) And (3) washing, soaping, washing and drying the treated fabric.
5. The use of a silicon-containing fixing aid according to claim 4, wherein the modified silicone oil solution in step (1) is an aqueous solution with a bath ratio of 1:10 in an amount of 5% o.w.f.
6. The process according to claim 4, wherein the alkali in step (1) is NaOH or Na 2 CO 3 One or more of the following.
7. The use of a silicon-containing fixing aid according to claim 4, wherein the drying in the step (2) is to pre-bake cotton fabric at 80-100 ℃ for 5-20 min and then bake at 120-140 ℃ for 2-20 min.
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| CN104060485A (en) * | 2014-06-26 | 2014-09-24 | 陕西科技大学 | Process of performing fixation on reactive dyed cotton fabric with reactive cationic color fixing agent |
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| CN106749946A (en) * | 2016-12-02 | 2017-05-31 | 上海雅运纺织助剂有限公司 | Resistance to bubble fastness color fixing agent of reactive dye and its preparation method and application |
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Patent Citations (6)
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|---|---|---|---|---|
| CN101768883A (en) * | 2009-12-25 | 2010-07-07 | 青岛大学 | Preparation method of formaldehyde-free active dye fixing agent |
| CN102995471A (en) * | 2012-11-30 | 2013-03-27 | 王正泽 | Textile color fixing agent |
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| CN104060485A (en) * | 2014-06-26 | 2014-09-24 | 陕西科技大学 | Process of performing fixation on reactive dyed cotton fabric with reactive cationic color fixing agent |
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