CN117888356A - Tencel cotton and treatment method thereof - Google Patents
Tencel cotton and treatment method thereof Download PDFInfo
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- CN117888356A CN117888356A CN202410055748.5A CN202410055748A CN117888356A CN 117888356 A CN117888356 A CN 117888356A CN 202410055748 A CN202410055748 A CN 202410055748A CN 117888356 A CN117888356 A CN 117888356A
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- 229920000433 Lyocell Polymers 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 32
- 229920000742 Cotton Polymers 0.000 title abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 46
- 239000001301 oxygen Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 39
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 35
- 239000003513 alkali Substances 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 238000009999 singeing Methods 0.000 claims abstract description 17
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 17
- 238000007670 refining Methods 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000005517 mercerization Methods 0.000 claims abstract description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 17
- 239000000194 fatty acid Substances 0.000 claims description 17
- 229930195729 fatty acid Natural products 0.000 claims description 17
- 239000011734 sodium Substances 0.000 claims description 17
- 229910052708 sodium Inorganic materials 0.000 claims description 17
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
- 150000004665 fatty acids Chemical class 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- -1 sodium fatty acid Chemical class 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 150000003841 chloride salts Chemical class 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 7
- 102000004190 Enzymes Human genes 0.000 abstract description 5
- 108090000790 Enzymes Proteins 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract description 4
- 238000003672 processing method Methods 0.000 abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- 239000001814 pectin Substances 0.000 description 20
- 229920001277 pectin Polymers 0.000 description 20
- 235000010987 pectin Nutrition 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 11
- 235000011121 sodium hydroxide Nutrition 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000009990 desizing Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- YCOZIPAWZNQLMR-UHFFFAOYSA-N pentadecane Chemical compound CCCCCCCCCCCCCCC YCOZIPAWZNQLMR-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- IIYFAKIEWZDVMP-UHFFFAOYSA-N tridecane Chemical compound CCCCCCCCCCCCC IIYFAKIEWZDVMP-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The application relates to the field of tencel processing, and particularly discloses tencel and a processing method thereof. The application relates to a method for treating tencel cotton, which comprises the following steps: sequentially carrying out alkali-oxygen cold piling, water washing wet cloth, water padding pre-shaping, singeing treatment and mercerization on the tencel to obtain treated tencel; wherein, the treatment fluid of the alkali-oxygen cold pile comprises: liquid alkali, sodium carbonate, ZD refining agent, ZDKC stabilizing agent, hydrogen peroxide and water. The tencel processing method provided by the application can effectively remove the pulp and the natural impurities of cotton in tencel, especially cotton seed hulls. The flexibility of the tencel is improved, and the treatment method provided by the application does not adopt expensive enzyme treatment agent, has low cost and is suitable for industrial production.
Description
Technical Field
The application relates to the field of tencel processing, in particular to tencel and a processing method thereof.
Background
The tencel is a fiber prepared from natural plant fibers, commonly known as tencel or lyocell. The tencel cotton has the advantages of moisture absorption and air permeability of cotton, high strength and durability of terylene and the like, has higher toughness, and is widely applied after the 20 th century 90 s mid-term appearance.
However, because the tencel is prepared from wood pulp, the same cotton fiber impurities contained in the tencel fabric are treated by adopting independent padding enzymes in the prior art, but only common starch slurry can be removed, most natural impurities cannot be removed completely, the subsequent printing and dyeing processing quality is affected, and the reagent such as UTA-500A desizing enzyme adopted in the padding enzyme treatment process is high in price, so that the treatment cost of the tencel is greatly increased. Therefore, how to solve the problem of high cost in the tencel processing while ensuring the natural impurity removal effect becomes a problem to be solved in the art.
Disclosure of Invention
In order to solve the problem of high treatment cost of tencel in the related technology while ensuring the natural impurity removal effect, the application provides tencel and a treatment method thereof.
In a first aspect, the application provides a method for treating tencel, comprising the following steps:
Sequentially carrying out alkali-oxygen cold piling, water washing wet cloth, water padding pre-shaping, singeing treatment and mercerization on the tencel to obtain treated tencel;
wherein, the treatment fluid of the alkali-oxygen cold pile comprises: liquid alkali, sodium carbonate, ZD refining agent, ZDKC stabilizing agent, hydrogen peroxide and water.
According to the application, natural impurity alkali is treated by liquid alkali and sodium carbonate, pectin in the tencel is effectively destroyed by being matched with hydrogen peroxide, and the structure of the tencel is not destroyed in the alkaline hydrolysis process of natural impurities and slurry by using the ZD refining agent and ZDKC stabilizing agent, so that the tencel fabric which is relatively suitable for dyeing and finishing is finally obtained.
Preferably, the treatment fluid of the alkali-oxygen cooled reactor comprises the following components in parts by mass: 5-15 parts of liquid alkali, 5-15 parts of sodium carbonate, 10-15 parts of ZD refining agent, 5-10 parts of ZDKC stabilizing agent, 10-15 parts of hydrogen peroxide and 90-120 parts of water.
The application effectively ensures the completion of the separation of natural impurities and slurry by limiting the proportion of components in the alkali-oxygen cooled reactor treatment liquid, and avoids incomplete pretreatment caused by insufficient reagent quantity.
Preferably, the treatment fluid of the alkali-oxygen cooled reactor further comprises sodium fatty acid and chloride.
The alkali-oxygen cold-reactor treatment fluid provided by the application is limited to further comprise sodium fatty acid and chloride, so that the separation speed of pectin from tencel is further improved, the pectin and tencel can be completely separated in the alkali-oxygen cold-reactor treatment process, and the time of alkali-oxygen cold-reactor treatment is reduced.
Preferably, the treatment fluid of the alkali-oxygen cooled reactor comprises the following components in parts by mass: 5-15 parts of liquid alkali, 5-15 parts of sodium carbonate, 10-15 parts of ZD refining agent, 5-10 parts of ZDKC stabilizing agent, 10-15 parts of hydrogen peroxide, 5-10 parts of fatty acid sodium, 5-10 parts of chloride and 90-120 parts of water.
The application further limits the proportion of components in the alkali-oxygen cold-reactor treatment liquid, improves the pectin removal speed of tencel, reduces the alkali-oxygen cold-reactor treatment time and effectively improves the industrial production efficiency.
Preferably, the specific steps of the alkali-oxygen cooled reactor comprise the steps of immersing the tencel in the treatment liquid of the alkali-oxygen cooled reactor, wherein the immersing temperature is room temperature, the liquid carrying rate is more than 90%, and the time is 15-20 hours.
The alkali-oxygen cold reactor can separate pectin from tencel by adopting room temperature padding, high-temperature heating treatment is not needed, and the cost of industrial production is reduced.
Preferably, the water washing liquid for washing the wet cloth is water.
The application utilizes water to wash the tencel after the alkali-oxygen cold reactor, and can effectively remove partial impurities and slurry remained in the tencel and the alkali-oxygen cold reactor treatment liquid.
Preferably, the temperature of the water rolling pre-shaping is 170-190 ℃, the speed of the water rolling pre-shaping is 40-60m/min, and the width of the door is pulled open by 1-3cm.
The method can effectively stabilize the width of the fabric within a certain range by limiting the temperature, the speed and the width pulling degree of the water squeezing pre-shaping, thereby ensuring the quality of the cloth cover after the subsequent dyeing processing.
Preferably, the speed of the singeing treatment is 90-100m/min.
According to the application, the speed of the singeing treatment is limited, so that the damage of tencel in the singeing treatment process is effectively avoided.
Preferably, the temperature of the mercerization is room temperature, the adopted treatment liquid is liquid alkali, and the treatment time is 20-40s.
The mercerization temperature, alkali concentration and treatment time are limited, so that the treated tencel fabric is effectively ensured to contain no spiral chicken feet, the dyeing effect is enhanced, and the tencel fabric has certain luster.
In a second aspect, the application provides tencel, which is treated by the scheme.
According to the application, the tencel fabric with thorough desizing and impurity removal can be obtained through the scheme, and the performance of the tencel is effectively improved through the treatment of the scheme, so that the tencel fabric has a good dyeing effect and a certain luster.
In summary, the application has the following beneficial effects:
1. The pectin in the tencel is effectively reduced by utilizing the alkali-oxygen cooling pile, washing wet cloth, water rolling pre-shaping, singeing treatment and mercerizing treatment, and the treatment liquid limiting the alkali-oxygen cooling pile comprises liquid alkali, sodium carbonate, ZD refining agent, ZDKC stabilizing agent, hydrogen peroxide and water, so that the pectin in the tencel is further reduced, and the pectin content in the finally obtained tencel is lower or no pectin is contained.
2. According to the application, the sodium fatty acid and the chloride are preferably added into the alkali-oxygen cold-reactor treatment liquid, so that the treatment degree of the slurry, which is the natural impurity in the tencel, is further improved, the pectin can be completely separated from the tencel in the alkali-oxygen cold-reactor process, the pectin treatment speed in the tencel can be increased, the alkali-oxygen cold-reactor treatment time is reduced, and the time cost of industrial production is reduced.
3. The alkali-oxygen cold heap treatment liquid does not adopt expensive reagents, and meanwhile, the alkali-oxygen cold heap treatment does not need heating, vibration, ultrasonic or microwave treatment, so that the cost of the tencel processing process is effectively reduced.
Detailed Description
The application provides a method for treating tencel, which comprises the following steps:
sequentially carrying out alkali-oxygen cold piling, water washing wet cloth, water padding pre-shaping, singeing treatment and mercerization on the tencel to obtain treated tencel; wherein, the treatment fluid of the alkali-oxygen cold pile comprises: liquid alkali, sodium carbonate, ZD refining agent, ZDKC stabilizing agent, hydrogen peroxide and water.
In the present application, the materials required are commercially available products well known to those skilled in the art unless otherwise specified, and the treatment methods employed are conventional in the art unless otherwise specified.
In the application, the liquid alkali refers to an aqueous solution with the mass content of 20-45% of sodium hydroxide, preferably an aqueous solution with the mass content of 28-30% of sodium hydroxide, and more preferably an aqueous solution with the mass content of 30% of sodium hydroxide; the sodium carbonate refers to sodium carbonate; the hydrogen peroxide refers to a hydrogen peroxide solution with the volume concentration of 25-35%, the hydrogen peroxide is preferably a hydrogen peroxide solution with the volume concentration of 27-32%, and further preferably a hydrogen peroxide solution with the volume concentration of 30%.
The application effectively ensures that the tencel is pectin-removed in the process of an alkali-oxygen cold reactor by limiting specific types of liquid alkali, sodium carbonate, hydrogen peroxide, refining agent and stabilizing agent, and finally prepares the tencel with low pectin content or without pectin.
In the present application, the treatment liquid of the alkali-oxygen cooled reactor further preferably includes sodium fatty acid and a chloride salt. In the present application, the fatty acid sodium preferably includes fatty acid sodium having a carbon chain length of 10 to 30, more preferably undecane fatty acid sodium, dodecane fatty acid sodium, tridecane fatty acid sodium, tetradecane fatty acid sodium and pentadecane fatty acid sodium, still more preferably dodecane fatty acid sodium; the chloride salt preferably includes calcium chloride and sodium chloride, and more preferably calcium chloride.
In the application, the sodium fatty acid and the chloride are used as the emulsifying agent, so that the pectin after treatment is effectively separated from the tencel cotton, and the separation degree and speed of the pectin are ensured.
In the application, the treatment liquid of the alkali-oxygen cooled reactor preferably comprises the following components in parts by mass: 5-15 parts of caustic soda liquid, 5-15 parts of sodium carbonate, 10-15 parts of ZD refining agent, 5-10 parts of ZDKC stabilizing agent, 10-15 parts of hydrogen peroxide and 90-120 parts of water, further preferably 10 parts of caustic soda liquid, 10 parts of sodium carbonate, 12 parts of ZD refining agent, 8 parts of ZDKC stabilizing agent, 12 parts of hydrogen peroxide and 100 parts of water, further preferably 5-15 parts of caustic soda liquid, 5-15 parts of sodium carbonate, 10-15 parts of ZD refining agent, 5-10 parts of ZDKC stabilizing agent, 10-15 parts of hydrogen peroxide, 5-10 parts of sodium fatty acid, 5-10 parts of chloride and 90-120 parts of water, and most preferably 10 parts of caustic soda liquid, 10 parts of sodium carbonate, 12 parts of ZD refining agent, 8 parts of ZDKC stabilizing agent, 12 parts of hydrogen peroxide, 8 parts of sodium chloride and 100 parts of water.
The application effectively ensures the completion of the pectin separation process by limiting the proportion of each component in the alkali-oxygen cooled reactor treatment liquid, and avoids incomplete pectin treatment caused by insufficient reagent content.
In the application, the specific steps of the alkali-oxygen cooled reactor are preferably as follows: the tencel cotton is placed in an alkali-oxygen cold heap treatment liquid for padding; in the present application, the temperature of the dipping is preferably room temperature, more preferably 20 to 25 ℃, still more preferably 23 ℃, and the time of the dipping is preferably 15 to 20 hours, still more preferably 18 hours.
In the present application, the water washing liquid for washing the wet cloth is preferably water, and the temperature of the wet cloth is preferably room temperature, more preferably 20 to 25 ℃, still more preferably 23 ℃, and the time is preferably 1 to 3 hours, more preferably 2 hours.
In the application, the specific steps of the alkali-oxygen cooled reactor are preferably as follows: putting tencel cotton into a water mangle for water mangle pre-shaping treatment; in the present application, the temperature of the water-rolling pre-shaping is preferably 170-190 ℃, more preferably 180 ℃, the liquid carrying rate is preferably more than 90%, more preferably 90-95%, the vehicle speed is preferably 40-60m/min, more preferably 50m/min, the degree of the door width pulling-out is preferably 1-3cm, more preferably 2cm.
In the present application, the specific steps of the singeing treatment are preferably: placing tencel cotton into a yarn singeing machine for open flame singeing; in the present application, the vehicle speed of the singeing treatment is preferably 90 to 100m/min, and more preferably 95m/min.
In the present application, the specific steps of the mercerization are preferably: mercerizing tencel in a mercerizing machine; in the present application, the temperature of the mercerization is preferably room temperature, more preferably 20-25 ℃, still more preferably 23 ℃, and the treatment liquid used is a liquid alkali, and the liquid alkali is preferably an aqueous solution with a mass content of 28-30% of sodium hydroxide, and the treatment time is 20-40s, still more preferably 30s.
In a specific embodiment of the application, the method for processing tencel comprises the following specific steps:
Dipping and binding the tencel cotton in an alkali-oxygen cold heap treatment liquid to obtain dipped and bound tencel cotton; placing the dipped tencel cotton into a washing machine for washing to obtain washed tencel cotton; placing the washed tencel cotton into a water mangle for water mangle pre-sizing to obtain pre-sized tencel cotton; placing the preshaped tencel into a yarn singeing machine for open flame singeing to obtain singed tencel; and (3) placing the singed tencel in a mercerizing machine for mercerizing to obtain the treated tencel.
The application also provides tencel cotton which is obtained by the treatment method.
The present application will be described in further detail with reference to examples.
Examples:
Example 1
The processing method of the tencel comprises the following steps:
Immersing and binding the tencel in an alkali-oxygen cold-reactor treatment liquid for 18 hours at the temperature of 23 ℃ with the liquid carrying rate of 92%, so as to obtain the immersed and bound tencel, wherein the alkali-oxygen cold-reactor treatment liquid comprises 5 parts of liquid alkali (aqueous solution with the mass content of 30% of sodium hydroxide), 5 parts of calcined soda, 10 parts of ZD (zinc sulfide) refining agent, 5 parts of ZDKC stabilizing agents, 10 parts of hydrogen peroxide and 90 parts of water;
Placing the padded tencel in a washing machine, and washing for 2 hours at the temperature of 23 ℃ to obtain washed tencel, wherein the washing liquid of the washing is water;
Placing the washed tencel cotton into a water mangle, and mangling at the speed of 50m/min at 180 ℃ for pre-shaping, wherein the width of a door is pulled open by 2cm to obtain the pre-shaped tencel cotton;
Placing the preshaped tencel into a yarn singeing machine to carry out open flame singeing at a jet speed of 95m/min to obtain the singed tencel; mercerizing the singed tencel in a mercerizing machine at 23 ℃ in an aqueous solution with the mass content of sodium hydroxide of 28%, wherein the treatment time is 30s, and obtaining the treated tencel.
Examples 2 to 11
Examples 2 to 14 differ from example 1 in the ratio of the alkaline oxygen reactor treatment liquid, and the ratio of the raw materials in examples 1 to 14 is shown in Table 1.
TABLE 1 EXAMPLES 1 to 14 alkali oxygen cooled reactor treatment fluid composition tables
Performance test
1. Breaking strength and elongation at break determination: the tencel cotton in examples 1 to 6 and comparative examples 1 to 8 was prepared into a spunlaced nonwoven fabric, and the spunlaced nonwoven fabric was subjected to a tensile strength test in the curtain web output direction with reference to GB/T24218.3-2010, the sample size was 300mm by 50mm, the nip was 200mm, the tensile linear velocity was 100mm/min, and each group of samples was measured 3 times, and an average value was taken.
2. Measuring pectin content: pectin content measurements were performed on the tencel and untreated tencel of examples 1-6, comparative examples 1-8, as follows: adding 12mL of concentrated sulfuric acid into a test tube, cooling the test tube and the content to 3 ℃ by using an ice bath, adding 20mg of a sample to be detected, vibrating the content in the test tube uniformly, cooling to 5 ℃ in the ice bath, heating the test tube in a water bath at 100 ℃ for 10 minutes, cooling to 20 ℃, adding 1mL of 0.15% carbazole, mixing completely and uniformly, standing for 25 minutes at room temperature, and observing the color of a solution in the test tube, wherein the color result is represented by 'deep', 'shallow', 'lighter' and 'colorless'.
Table 2 experimental results
| Project | Strength/N | Elongation at break/% | Color results |
| Example 1 | 21.1 | 59.1 | Shallower |
| Example 2 | 19.7 | 57.7 | Colorless and colorless |
| Example 3 | 20.4 | 58.4 | Colorless and colorless |
| Example 4 | 21.3 | 60.2 | Colorless and colorless |
| Example 5 | 20.1 | 58.5 | Colorless and colorless |
| Example 6 | 20.7 | 59.9 | Colorless and colorless |
| Comparative example 1 | 22.5 | 61.2 | Shallow depth |
| Comparative example 2 | 20.3 | 58.1 | Shallow depth |
| Comparative example 3 | 20.1 | 58.2 | Shallow depth |
| Comparative example 4 | 23.6 | 64.3 | Deeper |
| Comparative example 5 | 22.5 | 63.8 | Deeper |
| Comparative example 6 | 20.5 | 60.4 | Shallow depth |
| Comparative example 7 | 20.2 | 59.6 | Shallow depth |
| Comparative example 8 | 20.4 | 59.8 | Shallow depth |
| Blank examples | 27.5 | 68.1 | Deep depth |
As can be seen from the combination of examples 1-6, comparative examples 1-8 and blank examples and the combination of table 2, the method for treating tencel provided by the application can well remove pectin in tencel after treating the tencel, and has better effects in examples 3 and 6 according to strength and breaking expansion ratio, and after the tencel is treated by the method for treating provided by the application to obtain the tencel woven into cloth, the cost of the method for treating provided by the application is 0.036 yuan/meter, and compared with the existing rolling enzyme treatment cost (0.062 yuan/meter), the cost of the method for treating provided by the application is obviously reduced.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (10)
1. The method for treating the tencel is characterized by comprising the following steps of:
Sequentially carrying out alkali-oxygen cold piling, water washing wet cloth, water padding pre-shaping, singeing treatment and mercerization on the tencel to obtain treated tencel;
wherein, the treatment fluid of the alkali-oxygen cold pile comprises: liquid alkali, sodium carbonate, ZD refining agent, ZDKC stabilizing agent, hydrogen peroxide and water.
2. The treatment method according to claim 1, wherein the treatment liquid of the alkali-oxygen cooled reactor comprises, in parts by mass: 5-15 parts of liquid alkali, 5-15 parts of sodium carbonate, 10-15 parts of ZD refining agent, 5-10 parts of ZDKC stabilizing agent, 10-15 parts of hydrogen peroxide and 90-120 parts of water.
3. The process of claim 1 wherein the treatment fluid of the basic oxygen reactor further comprises sodium fatty acid and a chloride salt.
4. The treatment method according to claim 3, wherein the treatment liquid of the alkali-oxygen cooled reactor comprises, in parts by mass: 5-15 parts of liquid alkali, 5-15 parts of sodium carbonate, 10-15 parts of ZD refining agent, 5-10 parts of ZDKC stabilizing agent, 10-15 parts of hydrogen peroxide, 5-10 parts of fatty acid sodium, 5-10 parts of chloride and 90-120 parts of water.
5. The method according to claim 1, wherein the alkali-oxygen cooled reactor comprises the specific steps of immersing tencel in the treatment liquid of the alkali-oxygen cooled reactor, wherein the immersing temperature is room temperature, the liquid carrying rate is more than 90%, and the time is 15-20h.
6. The method according to claim 1, wherein the water washing liquid for washing the wet cloth is water.
7. The method according to claim 1, wherein the temperature of the water rolling pre-shaping is 170-190 ℃, the vehicle speed is 40-60m/min, and the width of the door is pulled 1-3cm.
8. The method according to claim 1, wherein the singeing treatment is carried out at a vehicle speed of 90 to 100m/min.
9. A process according to claim 1, wherein the mercerization is carried out at room temperature using a liquid alkali for a treatment time of 20-40s.
10. The tencel treated by the treatment method of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410055748.5A CN117888356A (en) | 2024-01-15 | 2024-01-15 | Tencel cotton and treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410055748.5A CN117888356A (en) | 2024-01-15 | 2024-01-15 | Tencel cotton and treatment method thereof |
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| CN117888356A true CN117888356A (en) | 2024-04-16 |
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