CN114318899A - Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric - Google Patents
Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric Download PDFInfo
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- CN114318899A CN114318899A CN202111625263.8A CN202111625263A CN114318899A CN 114318899 A CN114318899 A CN 114318899A CN 202111625263 A CN202111625263 A CN 202111625263A CN 114318899 A CN114318899 A CN 114318899A
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- polyester
- knitted fabric
- cotton knitted
- dye
- scouring
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- 239000004744 fabric Substances 0.000 title claims abstract description 50
- 229920000742 Cotton Polymers 0.000 title claims abstract description 49
- 238000004043 dyeing Methods 0.000 title claims abstract description 45
- 238000004061 bleaching Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000009991 scouring Methods 0.000 title claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000004094 surface-active agent Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 11
- -1 alkyl glucoside Chemical class 0.000 claims abstract description 9
- 239000006184 cosolvent Substances 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 239000002270 dispersing agent Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000007670 refining Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000004040 coloring Methods 0.000 claims abstract description 4
- 229930182478 glucoside Natural products 0.000 claims abstract description 4
- 125000005456 glyceride group Chemical group 0.000 claims abstract description 4
- 229950008882 polysorbate Drugs 0.000 claims abstract description 4
- 229920000136 polysorbate Polymers 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 239000000975 dye Substances 0.000 claims description 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 claims description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 5
- QAQSNXHKHKONNS-UHFFFAOYSA-N 1-ethyl-2-hydroxy-4-methyl-6-oxopyridine-3-carboxamide Chemical compound CCN1C(O)=C(C(N)=O)C(C)=CC1=O QAQSNXHKHKONNS-UHFFFAOYSA-N 0.000 claims description 3
- 239000005711 Benzoic acid Substances 0.000 claims description 3
- ABBQHOQBGMUPJH-UHFFFAOYSA-M Sodium salicylate Chemical compound [Na+].OC1=CC=CC=C1C([O-])=O ABBQHOQBGMUPJH-UHFFFAOYSA-M 0.000 claims description 3
- 229960004050 aminobenzoic acid Drugs 0.000 claims description 3
- 235000010233 benzoic acid Nutrition 0.000 claims description 3
- 229960004365 benzoic acid Drugs 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 3
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 3
- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000003599 detergent Substances 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 239000000434 metal complex dye Substances 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- 239000000985 reactive dye Substances 0.000 claims description 3
- 229960004889 salicylic acid Drugs 0.000 claims description 3
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 3
- 239000004299 sodium benzoate Substances 0.000 claims description 3
- 235000010234 sodium benzoate Nutrition 0.000 claims description 3
- 229960003885 sodium benzoate Drugs 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 229960004025 sodium salicylate Drugs 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000984 vat dye Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 abstract 1
- 239000004753 textile Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RCHKEJKUUXXBSM-UHFFFAOYSA-N n-benzyl-2-(3-formylindol-1-yl)acetamide Chemical compound C12=CC=CC=C2C(C=O)=CN1CC(=O)NCC1=CC=CC=C1 RCHKEJKUUXXBSM-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a scouring, bleaching, dye-bath dyeing process for polyester-cotton knitted fabrics, which comprises the following steps of I, refining treatment; step two, preparing a dye bath; step three, dyeing, washing and coloring; step four, soaping at low temperature; step five, color fixing treatment; step six, cleaning and shaping; the surfactant is selected from one of alkyl glucoside, fatty glyceride, fatty sorbitan and polysorbate, in the third step, the heating temperature is 40-60 ℃ in the dyeing process, the time is controlled to be 1.5-3h, the production efficiency is improved by combining scouring, bleaching and dyeing into a whole, residual liquid can be recycled, and secondary pollution is avoided; according to the invention, the surfactant, the chelating dispersant and the alkali-resistant penetrating agent are added into the treatment fluid, so that the scouring and bleaching efficiency is increased, and the time required by the scouring and bleaching is reduced; according to the invention, the gemini surfactant and the cosolvent are added into the soaping liquid, so that the aim of low-temperature soaping is achieved, and the effects of energy conservation and emission reduction are achieved.
Description
Technical Field
The invention relates to the technical field of textile dyeing treatment, in particular to a scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabrics.
Background
The polyester-cotton knitted fabric is a common textile fabric, is very popular with consumers, and has the working procedures of scouring, bleaching, dyeing and the like in the processing process of the polyester-cotton knitted fabric, but the scouring, bleaching, dyeing and bath dyeing process of the existing polyester-cotton knitted fabric has the disadvantages that scouring, bleaching and dyeing are carried out separately, the working efficiency is low, and the residual treating fluid from scouring and bleaching can cause certain pollution; the existing scouring, bleaching, dyeing and bathing dyeing process of the polyester-cotton knitted fabric sometimes has the problem of incomplete refining in the scouring and bleaching process and has overlong scouring and bleaching time; in the existing scouring, bleaching, dye-bath dyeing process of the polyester-cotton knitted fabric, because a high-temperature environment needs to be maintained in the soaping process, the production energy consumption is increased, and the existing production requirements for energy conservation and emission reduction are not met.
Disclosure of Invention
The invention aims to provide a scouring, bleaching, dye-bath dyeing process for polyester-cotton knitted fabrics, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the scouring, bleaching, dye-bath dyeing process of the polyester-cotton knitted fabric comprises the steps of I, refining treatment; step two, preparing a dye bath; step three, dyeing, washing and coloring; step four, soaping at low temperature; step five, color fixing treatment; step six, cleaning and shaping;
in the first step, the polyester-cotton knitted fabric to be treated is placed in the treatment fluid, is heated at high temperature and boiled for several hours, and then is placed in a padding machine for padding, so that the refined polyester-cotton knitted fabric is obtained;
in the second step, taking the residual treatment liquid in the first step, adding a certain amount of neutralizing agent, fully stirring, adding the dyeing paint, and preparing into the required dye bath;
in the third step, the polyester-cotton knitted fabric refined in the first step is placed in a prepared dye bath, and is heated and dyed to obtain a dyed polyester-cotton knitted fabric;
in the fourth step, the dyed polyester-cotton knitted fabric in the third step is soaped by using a soaping solution;
in the fifth step, the polyester-cotton knitted fabric dyed in the third step is taken and put into a color fixing solution for color fixing treatment, and then the polyester-cotton knitted fabric is sent into a baking machine for drying to obtain the polyester-cotton knitted fabric with color fixing;
and in the sixth step, the polyester-cotton knitted fabric subjected to color fixing in the fourth step is taken and washed with hot water for multiple times, and then the washed polyester-cotton knitted fabric is placed on a setting machine for setting.
Preferably, in the first step, the treatment solution contains a mixture of 10g/L of dilute caustic soda solution, 3g/L of surfactant, 5g/L of chelating dispersant and 6g/L of alkali-resistant penetrating agent, the temperature is controlled to be 85-95 ℃, and the time is 2-3 hours.
Preferably, the surfactant is one selected from alkyl glucoside, fatty glyceride, sorbitan fatty acid and polysorbate.
Preferably, in the second step, the neutralizing agent is selected from one of boric acid, oxalic acid and hydrogen peroxide, and the dyeing paint is selected from one of cationic dye, metal complex dye and vat dye.
Preferably, in the third step, the heating temperature in the dyeing process is 40-60 ℃, and the time is controlled to be 1.5-3 h.
Preferably, in the fourth step, the soaping liquid comprises a detergent, a gemini surfactant and a cosolvent, wherein the cosolvent is one or a mixture of benzoic acid, sodium benzoate, salicylic acid, sodium salicylate and p-aminobenzoic acid.
Preferably, in the fifth step, the color fixing solution is one or a mixture of more of cetylpyridinium chloride, cetylpyridinium bromide, amine-aldehyde resin type dicyandiamide-formaldehyde primary condensate, polyamine condensate, phenolic condensate, cross-linking color fixing agent and reactive dye color fixing agent KS.
Preferably, in the fifth step, the temperature of the color fixing process is 80-90 ℃, the time is 0.5-1h, the drying temperature is 120-.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the scouring, bleaching and dyeing are combined into a whole, so that the production efficiency is improved, the residual liquid can be recycled, and the secondary pollution is avoided; according to the invention, the surfactant, the chelating dispersant and the alkali-resistant penetrating agent are added into the treatment fluid, so that the scouring and bleaching efficiency is increased, and the time required by the scouring and bleaching is reduced; according to the invention, the gemini surfactant and the cosolvent are added into the soaping liquid, so that the aim of low-temperature soaping is achieved, and the effects of energy conservation and emission reduction are achieved.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: the scouring, bleaching, dye-bath dyeing process of the polyester-cotton knitted fabric comprises the steps of I, refining treatment; step two, preparing a dye bath; step three, dyeing, washing and coloring; step four, soaping at low temperature; step five, color fixing treatment; step six, cleaning and shaping;
in the first step, the polyester-cotton knitted fabric to be treated is placed into a treatment solution, the treatment solution is heated at high temperature and boiled for several hours, and then the treatment solution is placed into a padding machine for padding to obtain the refined polyester-cotton knitted fabric, wherein the treatment solution contains a mixture of 10g/L of dilute caustic soda solution, 3g/L of surfactant, 5g/L of chelating dispersant and 6g/L of alkali-resistant penetrating agent, the surfactant is one of alkyl glucoside, fatty glyceride, sorbitan fatty acid and polysorbate, the temperature is controlled to be 85-95 ℃, and the time is 2-3 hours;
in the second step, taking the residual treatment liquid in the first step, adding a certain amount of neutralizing agent, fully stirring, adding the dyeing paint, and preparing into the required dye bath, wherein the neutralizing agent is selected from one of boric acid, oxalic acid and hydrogen peroxide, and the dyeing paint is selected from one of cationic dye, metal complex dye and vat dye;
in the third step, the polyester-cotton knitted fabric refined in the first step is placed into a prepared dye bath, heating is kept for dyeing, and the dyed polyester-cotton knitted fabric is obtained, wherein the heating temperature in the dyeing process is 40-60 ℃, and the time is controlled to be 1.5-3 hours;
in the fourth step, the polyester-cotton knitted fabric dyed in the third step is taken and soaped by using a soaping solution, wherein the soaping solution comprises a detergent, a Gemini surfactant and a cosolvent, and the cosolvent is one or a mixture of more of benzoic acid, sodium benzoate, salicylic acid, sodium salicylate and p-aminobenzoic acid;
in the fifth step, the polyester-cotton knitted fabric dyed in the third step is placed into a color fixing solution for color fixing treatment, and then is sent into a baking machine for drying, so that the color-fixed polyester-cotton knitted fabric is obtained, wherein the color fixing solution is one or a mixture of more of cetyl pyridinium chloride, cetyl pyridinium bromide, amine aldehyde resin type dicyandiamide formaldehyde primary condensate, polyamine condensate, phenolic aldehyde condensate, a cross-linking color fixing agent and a reactive dye color fixing agent KS, the temperature in the color fixing process is 80-90 ℃, the time is 0.5-1h, the drying temperature is 120-140 ℃, and the time is 5-15 min;
and in the sixth step, the polyester-cotton knitted fabric subjected to color fixing in the fourth step is taken and washed with hot water for multiple times, and then the washed polyester-cotton knitted fabric is placed on a setting machine for setting.
Based on the above, when the process provided by the invention is used for scouring, bleaching and dyeing, as the scouring, bleaching and dyeing are unified into a whole, the production time is saved, the efficiency is improved, and the secondary pollution can be avoided; according to the invention, the scouring and bleaching treatment liquid can be more efficiently refined and bleached by adding the surfactant, the chelating dispersant and the alkali-resistant penetrating agent; the invention reduces the temperature requirement required by the soaping liquid by adding the gemini surfactant and the cosolvent, and realizes the aim of low-temperature soaping.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The scouring, bleaching, dye-bath dyeing process of the polyester-cotton knitted fabric comprises the steps of I, refining treatment; step two, preparing a dye bath; step three, dyeing, washing and coloring; step four, soaping at low temperature; step five, color fixing treatment; step six, cleaning and shaping; the method is characterized in that:
in the first step, the polyester-cotton knitted fabric to be treated is placed in the treatment fluid, is heated at high temperature and boiled for several hours, and then is placed in a padding machine for padding, so that the refined polyester-cotton knitted fabric is obtained;
in the second step, taking the residual treatment liquid in the first step, adding a certain amount of neutralizing agent, fully stirring, adding the dyeing paint, and preparing into the required dye bath;
in the third step, the polyester-cotton knitted fabric refined in the first step is placed in a prepared dye bath, and is heated and dyed to obtain a dyed polyester-cotton knitted fabric;
in the fourth step, the dyed polyester-cotton knitted fabric in the third step is soaped by using a soaping solution;
in the fifth step, the polyester-cotton knitted fabric dyed in the third step is taken and put into a color fixing solution for color fixing treatment, and then the polyester-cotton knitted fabric is sent into a baking machine for drying to obtain the polyester-cotton knitted fabric with color fixing;
and in the sixth step, the polyester-cotton knitted fabric subjected to color fixing in the fourth step is taken and washed with hot water for multiple times, and then the washed polyester-cotton knitted fabric is placed on a setting machine for setting.
2. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 1, which is characterized in that: in the first step, the treatment solution contains a mixture of 10g/L of dilute caustic soda solution, 3g/L of surfactant, 5g/L of chelating dispersant and 6g/L of alkali-resistant penetrating agent, the temperature is controlled to be 85-95 ℃, and the time is 2-3 hours.
3. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 2, which is characterized in that: the surfactant is one selected from alkyl glucoside, fatty glyceride, sorbitan fatty acid, and polysorbate.
4. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 1, which is characterized in that: in the second step, the neutralizer is selected from one of boric acid, oxalic acid and hydrogen peroxide, and the dyeing paint is selected from one of cationic dye, metal complex dye and vat dye.
5. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 1, which is characterized in that: in the third step, the heating temperature is 40-60 ℃ and the time is controlled to be 1.5-3h in the dyeing process.
6. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 1, which is characterized in that: in the fourth step, the soaping liquid comprises a detergent, a Gemini surfactant and a cosolvent, wherein the cosolvent is one or a mixture of benzoic acid, sodium benzoate, salicylic acid, sodium salicylate and p-aminobenzoic acid.
7. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 1, which is characterized in that: in the fifth step, the color fixing solution is one or a mixture of more of cetylpyridinium chloride, cetylpyridinium bromide, amine-aldehyde resin type dicyandiamide-formaldehyde primary condensate, polyamine condensate, phenolic aldehyde condensate, a cross-linking color fixing agent and a reactive dye color fixing agent KS.
8. The scouring, bleaching and dye-bath dyeing process of the polyester-cotton knitted fabric according to claim 1, which is characterized in that: in the fifth step, the temperature of the color fixing process is 80-90 ℃, the time is 0.5-1h, the drying temperature is 120-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625263.8A CN114318899A (en) | 2021-12-28 | 2021-12-28 | Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625263.8A CN114318899A (en) | 2021-12-28 | 2021-12-28 | Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric |
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| CN114318899A true CN114318899A (en) | 2022-04-12 |
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| CN202111625263.8A Pending CN114318899A (en) | 2021-12-28 | 2021-12-28 | Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric |
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|---|---|---|---|---|
| CN101319469A (en) * | 2008-07-04 | 2008-12-10 | 夏建明 | Solid fixation alkaline agent used for reactive dye rolling braizing method dyeing |
| CN102605653A (en) * | 2012-02-28 | 2012-07-25 | 青岛大学 | One-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing |
| CN107794784A (en) * | 2017-11-06 | 2018-03-13 | 福建凤竹纺织科技股份有限公司 | A kind of energy-saving dyeing technique of cotton knitwear |
| CN109235077A (en) * | 2018-09-20 | 2019-01-18 | 湖州鑫润田纺织有限公司 | A kind of environmental protection and energy saving dyeing of polyester fabric |
| CN110004744A (en) * | 2019-02-25 | 2019-07-12 | 杨忠华 | A kind of dyeing accelerant and preparation method thereof for polyester fiber |
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| CN112301771A (en) * | 2020-11-02 | 2021-02-02 | 东华大学 | Continuous printing and dyeing processing method for improving dyeing quality of pure cotton knitted fabric |
-
2021
- 2021-12-28 CN CN202111625263.8A patent/CN114318899A/en active Pending
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|---|---|---|---|---|
| CN101319469A (en) * | 2008-07-04 | 2008-12-10 | 夏建明 | Solid fixation alkaline agent used for reactive dye rolling braizing method dyeing |
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Application publication date: 20220412 |