CN115323793A - Anti-pilling modal fiber treatment method - Google Patents
Anti-pilling modal fiber treatment method Download PDFInfo
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- CN115323793A CN115323793A CN202211111994.5A CN202211111994A CN115323793A CN 115323793 A CN115323793 A CN 115323793A CN 202211111994 A CN202211111994 A CN 202211111994A CN 115323793 A CN115323793 A CN 115323793A
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- treatment
- cellulase
- modal
- treatment liquid
- pilling
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
- D06M13/228—Cyclic esters, e.g. lactones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
Abstract
The invention relates to the technical field of fiber treatment, and discloses an anti-pilling modal fiber treatment method, which comprises the following steps: 1) Soaking treatment: soaking modal fibers in a treatment solution A, wherein the treatment solution A comprises cellulose fibers and a cellulase inhibitor; 2) A dropping step: dropwise adding the treatment liquid B into the treatment liquid A soaked with modal fibers, wherein the treatment liquid B comprises cellulase; the concentration of cellulase in the treatment liquid B is greater than that of cellulase in the treatment liquid A. According to the invention, the modal fibers are subjected to slow enzymolysis by using the treatment liquid A, and then part of the modal fibers are subjected to rapid enzymolysis by using the treatment liquid B, so that the surfaces of the modal fibers are provided with concave-convex structures, and the surfaces of the modal fibers are provided with pits with different sizes, so that the friction force between the modal fibers or between the modal fibers and other fibers is increased, the modal fibers are prevented from easily sliding out of the fabric, and the pilling phenomenon of the fabric is improved.
Description
Technical Field
The invention relates to the technical field of fiber treatment, in particular to a method for treating anti-pilling modal fibers.
Background
Modal (Modal) fiber is a high wet modulus regenerated cellulose fiber, is prepared by taking European beech as a raw material through a special spinning process, and has the excellent texture of natural fiber and the practicability of synthetic fiber. The fabric made of the modal fiber has soft hand feeling, moisture absorption and air permeability, bright cloth cover and wide application in underwear, clothing fabric and the like.
The modal fiber is very fine and finer than cotton fiber, and the cross section of the modal fiber is uniform circular without three-dimensional crimp similar to cotton fiber in the longitudinal direction. As the number of the cross sections of the yarns is increased, the surfaces of the modal fibers are smooth, so that during wet finishing processing and taking, fiber ends of many modal fibers are separated from the yarns to form fuzz, adjacent fuzz is entangled and rolls more tightly, and finally, small balls are formed, namely the modal fiber fabric is easy to pill.
In order to reduce the pilling phenomenon of modal fiber fabrics, the common treatment means at present is to perform singeing treatment or anti-pilling finishing treatment on the modal fiber fabrics, wherein the anti-pilling finishing treatment means that the modal fiber fabrics are immersed into anti-pilling finishing liquid, and the anti-pilling finishing liquid contains substances such as an anti-pilling finishing agent and the like. However, the singeing treatment is only to burn off the fly on the surface of the fabric, and does not solve the problem that the modal fiber is easy to be released, and the singeing treatment and the anti-pilling finishing are both directed to the fabric, not the modal fiber. Therefore, there is a need for an anti-pilling finish to modal fibers.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a method for treating anti-pilling modal fibers in order to improve the pilling susceptibility of modal fiber fabrics by treating the modal fibers.
To achieve the above and other related objects, the present invention provides a method for treating anti-pilling modal fibers, comprising a soaking treatment step and a dropping step,
in the soaking treatment step, the modal fiber is soaked in a treatment solution A, the treatment solution A comprises cellulase and a cellulase inhibitor, and the dosage of the cellulase in the treatment solution A is 0.5-1.0% of the mass of the modal fiber;
in the dropwise adding step, dropwise adding a treatment liquid B into a treatment liquid A soaked with modal fibers, wherein the treatment liquid B comprises cellulase;
the concentration of the cellulase in the treatment liquid B is greater than that of the cellulase in the treatment liquid A, and the pH values of the treatment liquid A and the treatment liquid B are both 4.0-6.0.
Optionally, the temperature of the treatment liquid A and the treatment liquid B is 40-65 ℃.
Optionally, the cellulase inhibitor is one or more of a halogen compound, a detergent, a dye, a sulfhydryl reagent and gluconolactone.
Optionally, the dosage of the cellulase inhibitor is 50-100% of the dosage of the cellulase in the treatment fluid A.
Optionally, in the dropping step, the treatment liquid B further includes cysteine.
Optionally, the dosage of the cysteine is 5 to 10% of the dosage of the cellulase in the treatment liquid B.
Optionally, in the soaking treatment step, the modal fiber is piled in the treatment liquid A to form a modal fiber layer, and the thickness of the modal fiber layer is 3.0-5.0 cm.
Alternatively, in the dropping step, the modal fiber layer is divided into a plurality of rectangular blocks of 5 to 15cm × 5 to 15cm, and the treatment liquid B is dropped to each rectangular block.
Alternatively, after the modal fiber is soaked in the treatment liquid A for 20 to 30min, the dropwise addition step is performed.
Optionally, the step of heating is further included after the step of dropping: the temperature of the mixture of the treatment solution A and the treatment solution B is raised to 80 ℃ or higher.
Optionally, the starting point is calculated by taking the completion of the dropwise addition of the treating liquid B as time, and the temperature rising step is carried out after 10-15 min.
Optionally, the step of heating further comprises a step of drying: dewatering modal fiber, and drying at 90 deg.C or below.
As described above, the anti-pilling modal fiber treatment method of the present invention has the following beneficial effects:
1. according to the invention, as the treatment liquid A comprises the cellulase and the cellulase inhibitor, the cellulase is inhibited, and the cellulose slowly carries out enzymolysis on the modal fiber, so that a concave-convex structure is formed on the surface of the modal fiber, and the concave part in the concave-convex structure is smaller; and, because the treatment liquid B comprises cellulase, and the concentration of the cellulase in the treatment liquid B is greater than that of the cellulase in the treatment liquid A, when the treatment liquid B is dripped into the treatment liquid A soaked with modal fibers, the concentration of the cellulase at the dripping position of the treatment liquid B is greater than that of the cellulase at the dripping position without the treatment liquid B, and the high concentration can be freely diffused to the low concentration for a period of time to reach balance.
2. In the invention, because the surface of the modal fiber has a concave-convex structure, that is, compared with the untreated modal fiber, the treated modal fiber has smaller diameter in the longitudinal direction and different reduction degrees, when the modal fiber slides out of the fabric, the modal fiber is entangled with adjacent fuzz into small balls, and the modal fiber is easy to break under the action of friction force or other external force, so that the small balls fall off, and the number of the small balls on the surface of the fabric can be reduced, thereby improving the pilling phenomenon of the fabric.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
The invention provides a method for treating anti-pilling modal fibers, which comprises the following steps:
s1, soaking treatment: soaking the modal fibers in the treatment liquid A, wherein the bath ratio (the mass ratio of the treatment liquid A to the modal fibers) is 10-20, the modal fibers are stacked in the treatment liquid A to form a modal fiber layer, and the thickness of the modal fiber layer is 3.0-5.0 cm (namely the stacking thickness of the modal fibers in the treatment liquid A is 3.0-5.0 cm); the treatment liquid A comprises cellulase and a cellulase inhibitor, the dosage of the cellulase in the treatment liquid A is 0.5-1.0% of the mass of the modal fiber, the cellulase inhibitor is one or more of halogen compounds, detergents, dyes, sulfydryl reagents and gluconolactone, and the dosage of the cellulase inhibitor is 50-100% of the dosage of the cellulase in the treatment liquid A. Before the modal fiber was soaked, the pH of the treatment liquid a was adjusted to 4.0 to 6.0 using sodium bicarbonate.
S2, dropwise adding: dividing the modal fiber layer into a plurality of rectangular blocks of 5-15 cm multiplied by 5-15 cm, after soaking the modal fiber in the treatment fluid A for 20-30 min, dropwise adding a treatment fluid B into each rectangular block, wherein the treatment fluid B comprises cellulase, the dosage of the cellulase in the treatment fluid B is 0.5-2.0% of the mass of the modal fiber, and the concentration of the cellulase in the treatment fluid B is greater than that of the cellulase in the treatment fluid A. Before the dropwise addition, the pH of the treatment liquid B was adjusted to 4.0 to 6.0 using sodium hydrogencarbonate.
S3, heating: calculating the starting point by taking the completion of the dropwise addition of the treatment liquid B as time, heating the mixed solution of the treatment liquid A and the treatment liquid B to more than 80 ℃ after 10-15 min, and keeping the temperature for 10-15 min.
S4, drying: and (4) dehydrating the modal fiber in the step (S3), and drying at the temperature of below 90 ℃ to obtain the anti-pilling modal fiber.
In another embodiment of the invention, the treating fluid B also comprises cysteine, and the dosage of the cysteine is 5-10% of that of the cellulase in the treating fluid B. Cysteine can eliminate the inhibiting effect of a cellulase inhibitor and even further activate cellulase, so that the cellulase at the dropwise adding position of the treatment liquid B is more active, a concave-convex structure with deeper pits is formed on the surface of the modal fiber at the dropwise adding position of the treatment liquid B, and small balls on the fabric are easier to fall off.
The present invention will be described in detail below with reference to specific exemplary embodiments. It should also be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the invention, and that numerous insubstantial modifications and adaptations of the invention described above will occur to those skilled in the art. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
The embodiment provides a method for treating anti-pilling modal fibers, which comprises the following steps:
s1, soaking treatment: the modal fibers were immersed in the treatment liquid a at a bath ratio of 10.
The treatment liquid A comprises cellulase and a cellulase inhibitor, the dosage of the cellulase in the treatment liquid A is 0.5 percent of the mass of the modal fiber, the cellulase inhibitor is gluconolactone, and the dosage of the cellulase inhibitor is 50 percent of the dosage of the cellulase in the treatment liquid A. The pH of treatment a was adjusted to 5.5 using sodium bicarbonate before soaking the modal fibers.
S2, dropwise adding: dividing the modal fiber layer into a plurality of rectangular blocks of 10cm multiplied by 10cm, dripping treatment liquid B (if the edge of the modal fiber layer after division has a part of less than 10cm multiplied by 10cm, dripping treatment liquid B) into each rectangular block after soaking the modal fiber in the treatment liquid A for 20min, wherein the treatment liquid B comprises cellulase, the dosage of the cellulase in the treatment liquid B is 0.5% of the mass of the modal fiber, and the concentration of the cellulase in the treatment liquid B is twice of the concentration of the cellulase in the treatment liquid A. The pH of treatment liquid B was adjusted to 5.5 using sodium bicarbonate before the dropwise addition. The time for dripping the treatment solution B is controlled within 1 min.
S3, heating: and (4) calculating the starting point by taking the completion of the dropwise addition of the treatment fluid B as time, heating the mixed solution of the treatment fluid A and the treatment fluid B to 80 ℃ after 10min, keeping the temperature for 10min, and inactivating the cellulase.
S4, drying: and (4) dehydrating the modal fiber in the step S3, and drying at 90 ℃ to obtain the anti-pilling modal fiber.
Example 2
This embodiment differs from embodiment 1 only in that: in the "S1 and immersion treatment step" of this example, the amount of cellulase used in the treatment liquid a was 1.0% by mass of the modal fiber. The remaining steps were the same as in example 1.
Example 3
The present embodiment differs from embodiment 1 only in that: in the "S1, immersion treatment step" of this example, the amount of the cellulase inhibitor in the treatment liquid a was 100% of the amount of cellulase in the treatment liquid a. The remaining steps were the same as in example 1.
Example 4
This embodiment differs from embodiment 2 only in that: in the "S2, dropwise addition step" of this example, the amount of cellulase used in the treatment liquid B was 2.0% by mass of the modal fiber. The remaining steps were the same as in example 2.
Example 5
This embodiment differs from embodiment 4 only in that: in the "S2, dropping step" of this example, after the modal fiber was immersed in the treatment liquid a for 30min, the treatment liquid B was dropped into each rectangular block. The remaining steps were the same as in example 4.
Example 6
This embodiment differs from embodiment 4 only in that: in the "S3 and temperature raising step" in this example, the temperature of the mixed solution of the treatment solution a and the treatment solution B was raised to 80 ℃ after 15min, starting from the time when the treatment solution B was completely added. The remaining steps were the same as in example 4.
Example 7
The present embodiment is different from embodiment 4 only in that: in the step of "S2 and dropwise addition" in this example, the treatment solution B further includes cysteine, and the amount of cysteine is 5% of the amount of cellulase in the treatment solution B. The remaining steps were the same as in example 4.
Example 8
This embodiment differs from embodiment 7 only in that: in the treatment solution B of this example, the amount of cysteine was 10% of the amount of cellulase in the treatment solution B. The remaining steps were the same as in example 7.
Comparative example 1
This comparative example provides a modal fiber treatment process comprising the steps of:
s1, soaking treatment: the modal fibers were immersed in the treatment solution C at a bath ratio of 10.
The treatment liquid C comprises cellulase and a cellulase inhibitor, the dosage of the cellulase in the treatment liquid C is 1.0 percent of the mass of the modal fiber, the cellulase inhibitor is gluconolactone, and the dosage of the cellulase inhibitor is 25 percent of the dosage of the cellulase in the treatment liquid C. The pH of treatment C was adjusted to 5.5 using sodium bicarbonate before soaking the modal fibers.
S2, a temperature rising step: soaking for 31min, heating the treating solution C to 80 deg.C, maintaining for 10min, and inactivating cellulase.
S3, drying: and (3) dehydrating the modal fiber in the step (S2), and drying at 90 ℃ to obtain the dried modal fiber.
Comparative example 2
This comparative example provides a general modal fiber, i.e., a modal fiber that has not been immersed in the treatment liquid a in "S1, immersion treatment step" of example 1.
The modal fibers obtained in examples 1-8 and comparative example 1 and the modal fibers obtained in comparative example 2 are respectively blended with the polyester according to the same weaving process to obtain a modal/polyester fiber blended fabric which is soft and comfortable to use.
Determination of pilling behaviour of textile fabrics according to "GB/T4802.1-2008 part 1: the round trace method "measures the pilling fuzz resistance rating of the 9 fabrics, and the results are shown in table 1.
TABLE 1 pilling resistance results for the face fabrics in the examples and comparative examples
| Pilling resistance/grade | |
| Example 1 | 3-4 |
| Example 2 | 3-4 |
| Example 3 | 3-4 |
| Example 4 | 4 |
| Example 5 | 4 |
| Example 6 | 4 |
| Example 7 | 4-5 |
| Example 8 | 4-5 |
| Comparative example 1 | 2-3 |
| Comparative example 2 | 2 |
As can be seen from table 1, the modal fibers of examples 1 to 8 have better pilling resistance than comparative examples 1 and 2 after being woven into fabrics, and the fabrics are less likely to be pilling. This shows that the anti-pilling performance of the modal fiber treated by the invention is obviously improved, and the fabric woven by the modal fiber treated by the invention is not easy to fluff and pilling.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An anti-pilling modal fiber treatment method is characterized by comprising the following steps: comprises a soaking treatment step and a dropping step,
in the soaking treatment step, the modal fiber is soaked in a treatment solution A, the treatment solution A comprises cellulase and a cellulase inhibitor, and the dosage of the cellulase in the treatment solution A is 0.5-1.0% of the mass of the modal fiber;
in the dropping step, dropping a treatment liquid B into a treatment liquid A soaked with modal fibers, wherein the treatment liquid B comprises cellulase;
the concentration of the cellulase in the treatment liquid B is greater than that of the cellulase in the treatment liquid A, and the pH values of the treatment liquid A and the treatment liquid B are both 4.0-6.0.
2. The method of treating anti-pilling modal fibers of claim 1, wherein: in the dropwise adding step, the dosage of the cellulase in the treatment liquid B is 0.5-2.0% of the mass of the modal fiber;
and/or the temperature of the treating fluid A and the treating fluid B is 40-65 ℃.
3. The anti-pilling modal fiber treatment method as recited in claim 1, wherein: in the dropping step, the treatment liquid B further includes cysteine;
and/or the cellulase inhibitor is one or more than two of halogen compounds, detergents, dyes, sulfhydryl reagents and gluconolactone;
and/or the dosage of the cellulase inhibitor is 50-100% of the dosage of the cellulase in the treatment fluid A.
4. The anti-pilling modal fiber treatment process according to claim 3, characterized in that: the dosage of the cysteine is 5-10% of the dosage of the cellulase in the treatment fluid B.
5. The anti-pilling modal fiber treatment method as recited in claim 1, wherein: in the immersion treatment step, the modal fiber is piled in the treatment liquid A to form a modal fiber layer, and the thickness of the modal fiber layer is 3.0-5.0 cm.
6. The anti-pilling modal fiber treatment method as recited in claim 5, wherein: in the dropping step, the modal fiber layer is divided into a plurality of rectangular blocks of 5 to 15cm × 5 to 15cm, and the treatment liquid B is dropped into each rectangular block.
7. The anti-pilling modal fiber treatment method as recited in claim 1, wherein: and after soaking the modal fiber in the treatment solution A for 20-30 min, performing a dropwise adding step.
8. The anti-pilling modal fiber treatment method as recited in claim 1, wherein: the method also comprises a heating step after the dripping step: the temperature of the mixture of the treatment solution A and the treatment solution B is raised to 80 ℃ or higher.
9. The method of treating anti-pilling modal fibers of claim 8, wherein: and calculating the starting point by taking the completion of the dropwise addition of the treatment liquid B as time, and heating after 10-15 min.
10. A modal fibre obtained by the finishing process of any one of claims 1 to 9.
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| CN202211111994.5A CN115323793A (en) | 2022-09-13 | 2022-09-13 | Anti-pilling modal fiber treatment method |
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| CN202211111994.5A CN115323793A (en) | 2022-09-13 | 2022-09-13 | Anti-pilling modal fiber treatment method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466601A (en) * | 1992-04-10 | 1995-11-14 | Exxon Chemical Patents Inc. | Selectively removing embedded lint precursors with cellulase |
| US5707858A (en) * | 1992-11-30 | 1998-01-13 | Novo Nordisk A/S | Process for the treatment of cellulosic fabrics with cellulases |
| CN1282389A (en) * | 1997-12-19 | 2001-01-31 | 诺沃挪第克生物化学北美公司 | Continuous biopolishing of cellulose-containing fabrics |
| CN103243565A (en) * | 2013-05-23 | 2013-08-14 | 南通大学 | Finishing agent endowing modal knitted fabrics with antibacterial property and pilling resistance and finishing method of finishing agent |
-
2022
- 2022-09-13 CN CN202211111994.5A patent/CN115323793A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466601A (en) * | 1992-04-10 | 1995-11-14 | Exxon Chemical Patents Inc. | Selectively removing embedded lint precursors with cellulase |
| US5707858A (en) * | 1992-11-30 | 1998-01-13 | Novo Nordisk A/S | Process for the treatment of cellulosic fabrics with cellulases |
| CN1282389A (en) * | 1997-12-19 | 2001-01-31 | 诺沃挪第克生物化学北美公司 | Continuous biopolishing of cellulose-containing fabrics |
| CN103243565A (en) * | 2013-05-23 | 2013-08-14 | 南通大学 | Finishing agent endowing modal knitted fabrics with antibacterial property and pilling resistance and finishing method of finishing agent |
Non-Patent Citations (1)
| Title |
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| 徐祖信: "《河流污染治理规划理论与实践》", 中国环境科学出版社, pages: 176 * |
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