CN116676783A - Stiffness-eliminating modified fiber and preparation method thereof - Google Patents
Stiffness-eliminating modified fiber and preparation method thereof Download PDFInfo
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- CN116676783A CN116676783A CN202310781678.7A CN202310781678A CN116676783A CN 116676783 A CN116676783 A CN 116676783A CN 202310781678 A CN202310781678 A CN 202310781678A CN 116676783 A CN116676783 A CN 116676783A
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- 239000000835 fiber Substances 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000000855 fermentation Methods 0.000 claims abstract description 45
- 230000004151 fermentation Effects 0.000 claims abstract description 45
- 238000005406 washing Methods 0.000 claims abstract description 39
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 26
- 235000009566 rice Nutrition 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000002791 soaking Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 7
- 241000209094 Oryza Species 0.000 claims description 25
- 229920000742 Cotton Polymers 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 241000894006 Bacteria Species 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 239000008103 glucose Substances 0.000 claims description 8
- 241000191948 Kocuria rosea Species 0.000 claims description 7
- 244000025254 Cannabis sativa Species 0.000 claims description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 4
- 235000009120 camo Nutrition 0.000 claims description 4
- 235000005607 chanvre indien Nutrition 0.000 claims description 4
- 239000011487 hemp Substances 0.000 claims description 4
- 239000003929 acidic solution Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 241000192041 Micrococcus Species 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 28
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 238000005507 spraying Methods 0.000 description 8
- 230000037303 wrinkles Effects 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- 235000010633 broth Nutrition 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 241001467578 Microbacterium Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009990 desizing Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000000528 statistical test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
-
- 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
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The application relates to an stiffness-eliminating modified fiber and a preparation method thereof, wherein the preparation method of the stiffness-eliminating modified fiber comprises the following steps: step one: immersing the fiber into fermentation liquid containing rice washing water for soaking and fermenting for 1-2h at 25-30deg.C; step two: washing the fiber fermented in the first step, placing the fiber in an acid solution for 30-45min, and then carrying out wet-heat stretching treatment for 20-30min under a wet-heat atmosphere; step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step to obtain the stiffness-eliminating modified fiber. The stiffness-eliminating modified fiber prepared by the method has good stretching performance, and the fabric prepared by the fiber has low stiffness degree after 50 times of water washing, and can still ensure better drapability, crease resistance and elasticity.
Description
Technical Field
The application belongs to the technical field of fiber treatment, and particularly relates to a stiffness-eliminating modified fiber and a preparation method thereof.
Background
The raw material fiber in the textile field has wide sources and can be roughly divided into natural sources and artificial sources. The natural source fibers used for spinning for a long time mainly comprise four types of cotton, hemp, wool and silk, wherein the cotton and the hemp are plant fibers, the wool and the silk are animal fibers, the yield of the cotton fibers is maximum, the application range is wide, and the cotton fiber can be used for sewing articles for daily use such as clothes, bedsheets and bedclothes. Various textile fabrics produced by the existing plant fibers have certain defects, such as poor hand feeling, insufficient strength and easy treatment of stiff hardening after multiple water washing, and the actual application effect is affected;
therefore, aiming at the technical defects faced by the plant fiber, a modification method of the plant fiber is needed to improve the performance of the fabric made of the plant fiber, and a thought is provided for improving the application effect of the fabric made of the plant fiber.
Disclosure of Invention
The application aims to solve the problems and provide the stiffness-eliminating modified fiber and the preparation method thereof.
The application realizes the above purpose through the following technical scheme:
in one aspect of the application, a method for preparing a stiffness-eliminating modified fiber is provided, comprising the following steps:
step one: immersing the fiber into fermentation liquid containing rice washing water for soaking and fermenting for 1-2h at 25-30deg.C;
step two: washing the fiber fermented in the first step, placing the fiber in an acid solution for 30-45min, and then carrying out wet-heat stretching treatment for 20-30min under a wet-heat atmosphere;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step.
As a further optimization scheme of the application, the fibers are cotton fibers, fibrilia or blend fibers obtained by blending the cotton fibers and the fibrilia.
As a further optimization scheme of the application, the hot and humid atmosphere is to spray hot steam at the temperature of 100-150 ℃ at the spraying speed of 15-25m/s, and the hot steam is water steam.
As a further optimization scheme of the application, the fermentation liquor containing rice washing water comprises 40-50% of rice washing water, 8-15% of fermentation bacteria liquid, 2-4% of glucose, 2-4% of urea and the balance of deionized water according to mass percentage.
As a further optimization scheme of the application, the strain of the fermentation broth is Microbacterium keratinolyticus or Micrococcus roseus.
As a further optimization of the application, the acidic solution is carbonic acid or hydrochloric acid.
In the third step, the drying treatment is pre-drying for 4min at 90 ℃ and baking for 3min at 150 ℃.
In another aspect, the application provides a stiffness-eliminating modified fiber prepared by any one of the preparation methods.
The application has the beneficial effects that:
1. the fiber is subjected to fermentation treatment, then the fiber subjected to fermentation treatment is placed in an acid solution for acid soaking, then the fiber is subjected to wet-heat stretching treatment in a wet-heat atmosphere, and finally the fiber subjected to wet-heat stretching treatment is cleaned and dried to obtain the stiffness-eliminating modified fiber, the fiber has good stretching performance, and the fabric prepared from the fiber has low stiffness degree after 50 times of water washing, and can still ensure good drapability, crease resistance and elasticity;
2. the fermentation liquor used for the fiber fermentation treatment consists of rice washing water, fermentation bacteria liquid, nutritional ingredients and deionized water, and the experiment research shows that when the fermentation bacteria liquid adopts micrococcus roseus, the fermentation bacteria liquid has obvious synergistic promotion effect with carbonic acid in improving the mechanical property of the fiber, and is favorable for further improving the fiber stretching property.
Detailed Description
The following detailed description of the application is provided to illustrate the application and should not be construed as limiting the scope of the application since it is intended that the following detailed description is given for the purpose of illustration only, and that certain non-essential modifications and adaptations of the application may occur to those skilled in the art in light of the foregoing disclosure.
Example 1
The embodiment provides a preparation method of a stiffness-eliminating modified fiber, which comprises the following steps:
step one: soaking cotton fiber in fermentation liquid containing rice washing water for fermentation for 1 hr at 25deg.C,
wherein the fermentation liquor containing rice washing water comprises 40% of rice washing water, 15% of fermentation bacteria liquid, 2% of glucose, 2% of urea and the balance of deionized water according to mass percentage;
step two: washing the fiber fermented in the first step, placing the fiber in a carbonic acid solution for 30min, and then carrying out wet-heat stretching treatment for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 100 ℃;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step, wherein the drying treatment is to pre-bake for 4min at 90 ℃ and bake for 3min at 150 ℃.
Example 2
The embodiment provides a preparation method of a stiffness-eliminating modified fiber, which comprises the following steps:
step one: soaking cotton fiber in fermentation liquid containing rice washing water for fermentation for 1 hr at 25deg.C,
wherein the fermentation liquor containing rice washing water comprises 50% of rice washing water, 15% of fermentation bacteria liquid, 2% of glucose, 2% of urea and the balance of deionized water according to mass percentage;
step two: washing the fiber fermented in the first step, placing the fiber in a hydrochloric acid solution for 30min, and then carrying out wet-heat stretching treatment for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 100 ℃;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step, wherein the drying treatment is to pre-bake for 4min at 90 ℃ and bake for 3min at 150 ℃.
Example 3
The embodiment provides a preparation method of a stiffness-eliminating modified fiber, which comprises the following steps:
step one: soaking cotton fiber in fermentation liquid containing rice washing water for fermentation for 1 hr at 25deg.C,
wherein the fermentation liquor containing rice washing water comprises 50% of rice washing water, 15% of fermentation bacteria liquid, 2% of glucose, 2% of urea and the balance of deionized water according to mass percentage;
step two: washing the fiber fermented in the first step, placing the fiber in a hydrochloric acid solution for 30min, and then carrying out wet-heat stretching treatment for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 100 ℃;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step, wherein the drying treatment is to pre-bake for 4min at 90 ℃ and bake for 3min at 150 ℃.
Example 4
The embodiment provides a preparation method of a stiffness-eliminating modified fiber, which comprises the following steps:
step one: soaking cotton fiber in fermentation liquid containing rice washing water for 2 hr at 30deg.C,
wherein the fermentation liquor containing rice washing water comprises 40% of rice washing water, 15% of fermentation bacteria liquid, 2% of glucose, 2% of urea and the balance of deionized water according to mass percentage;
step two: washing the fiber fermented in the first step, placing the fiber in a carbonic acid solution for 30min, and then carrying out wet-heat stretching treatment for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 150 ℃;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step, wherein the drying treatment is to pre-bake for 4min at 90 ℃ and bake for 3min at 150 ℃.
Example 5
The embodiment provides a preparation method of a stiffness-eliminating modified fiber, which comprises the following steps:
step one: soaking cotton fiber in fermentation liquid containing rice washing water for 2 hr at 30deg.C,
wherein the fermentation liquor containing rice washing water comprises 50% of rice washing water, 15% of fermentation bacteria liquid, 2% of glucose, 2% of urea and the balance of deionized water according to mass percentage;
step two: washing the fiber fermented in the first step, placing the fiber in a carbonic acid solution for 45min, and then carrying out wet-heat stretching treatment for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 150 ℃;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step, wherein the drying treatment is to pre-bake for 4min at 90 ℃ and bake for 3min at 150 ℃.
Example 6
The embodiment provides a preparation method of a stiffness-eliminating modified fiber, which comprises the following steps:
step one: soaking cotton fiber in fermentation liquid containing rice washing water for 2 hr at 30deg.C,
wherein the fermentation liquor containing rice washing water comprises 40% of rice washing water, 15% of fermentation bacteria liquid, 2% of glucose, 2% of urea and the balance of deionized water according to mass percentage;
step two: washing the fiber fermented in the first step, placing the fiber in a hydrochloric acid solution for 30min, and then carrying out wet-heat stretching treatment for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 150 ℃;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step, wherein the drying treatment is to pre-bake for 4min at 90 ℃ and bake for 3min at 150 ℃.
Verification test
1. The fiber samples prepared in examples 1-5 were tested for tensile properties. And the fibers prepared in examples 1-5 were woven sequentially using a JAT710 air jet loom, and subjected to desizing, scouring and finishing to obtain fabric samples. The resulting fabrics 1-5 were tested for drape, crease recovery angle, and elasticity after 50 washes.
Wherein, the tensile property test of the fiber: the fiber breaking strength and breaking elongation were tested at 20℃and 65% relative humidity by means of a YG021D electronic single yarn strength tester, with reference to GB/T3916 test Standard for determination of Single yarn breaking Strength and elongation at break.
Drape of the fabric: the draping property of the fabric was tested by means of a YG811 type fabric draping property tester, referring to GB/T23329-2009 test Standard for fabrics test for fabric draping property.
Crease recovery angle of fabric: the wrinkle recovery angle of the fabric is tested by adopting a laser scanning method of an YG541E fabric wrinkle elastometer, and the test standard of GB/T3819-1997 method for testing the wrinkle recovery angle of textile fabrics is referred to.
Elasticity of the fabric: the fixed load elongation and elastic recovery rate of the fabric are tested by adopting an YG065 type electronic fabric strength tester, and the test standard of FT/Z01034-2008 textile fabric tensile elasticity test method is referred to.
The results of the test are shown in table 1.
TABLE 1 statistical table of test results
Conclusion: the fermentation broths used in examples 1 to 3 were all of the species Microbacterium keratolyticum, while examples 4 to 6 were Micrococcus roseus, and from the viewpoint of the stretching performance of the fiber sample, the stretching performance of the fiber treated by fermentation using the fermentation broth containing Micrococcus roseus was superior to that of the fermentation broth containing Microbacterium keratolyticum, and in addition, the drape coefficient, average total crease recovery angle and elastic recovery rate of the fabric were also superior to those of the fermentation broth containing Microbacterium keratolyticum.
Comparative examples 1-3 it can be seen that the drape coefficient, average total crimp recovery angle and elastic recovery of the fabric when soaked with carbonic acid solution of example 1 are superior to those of examples 2-3 when soaked with hydrochloric acid, but the tensile properties of the fibers obtained from example 1 treated with carbonic acid are inferior to those of examples 2-3.
As can be seen from comparative examples 1 and 4, when the fermentation strain selects Micrococcus roseus, the draping coefficient, the average total crease recovery angle and the elastic recovery rate of the fabric are improved, and meanwhile, the stretching performance of the fiber is also improved, so that the Micrococcus roseus and carbonic acid have obvious synergistic promotion effect on improving the mechanical properties of the fiber.
2. The influence of the preparation method on the draping coefficient, average total crease recovery angle and elastic recovery rate of the prepared fiber after 50 times of water washing is verified, and the following comparative examples are set:
comparative example 1: the difference from example 4 is that in step one, the cotton fiber is immersed in warm water at 30℃for 2 hours, and the remaining steps are the same.
Comparative example 2: the difference from example 4 is that in step two, the fiber fermented in step one is washed and placed in water for 30min, and then wet-heat stretching treatment is performed for 30min under a wet-heat atmosphere, wherein the wet-heat atmosphere is that water vapor is sprayed at a spraying speed of 15m/s at a temperature of 150 ℃, and the other steps are the same.
Comparative example 3: the difference from example 4 is that in step two, the fiber fermented in step one is washed and then put into a carbonic acid solution for 30min, and step three is directly carried out without carrying out subsequent wet-heat stretching treatment.
The fiber samples prepared in comparative examples 1 to 3 were tested for tensile properties. And the fibers prepared in comparative examples 1 to 3 were woven sequentially using a JAT710 air jet loom, and subjected to desizing, scouring and finishing to obtain fabric samples. The resulting fabrics 1-5 were tested for drape performance, wrinkle recovery angle, and elasticity and the results are shown in Table 2.
TABLE 2 statistical test results table
Conclusion: as can be seen from the comparison of comparative example 1 and example 4, the fermentation treatment of the fibers in the first step can significantly improve the stretching performance of the fibers and the drapability, wrinkle resistance and elasticity of the fabric, and the fermentation treatment of the fibers in the second step is not performed in the subsequent acid soaking treatment, which is detrimental to the stretching performance of the fibers and the improvement of the drapability, wrinkle resistance and elasticity of the fabric, as can be seen from the results of comparative examples 2 to 3, and the wet and hot stretching treatment in a wet and hot atmosphere after the acid soaking is performed, which is beneficial to the improvement of the drapability, wrinkle resistance and elasticity of the fabric.
While the foregoing description illustrates and describes several preferred embodiments of the application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of use in various other combinations, modifications and environments and is capable of changes or modifications within the spirit of the application described herein, either as a result of the foregoing teachings or as a result of the knowledge or skill of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.
Claims (8)
1. The preparation method of the stiffness-eliminating modified fiber is characterized by comprising the following steps of:
step one: immersing the fiber into fermentation liquid containing rice washing water for soaking and fermenting for 1-2h at 25-30deg.C;
step two: washing the fiber fermented in the first step, placing the fiber in an acid solution for 30-45min, and then carrying out wet-heat stretching treatment for 20-30min under a wet-heat atmosphere;
step three: and (3) cleaning and drying the fiber subjected to the wet-heat stretching in the second step to obtain the stiffness-eliminating modified fiber.
2. The method for preparing the stiffness-eliminating modified fiber according to claim 1, wherein the fiber is cotton fiber, hemp fiber or a blend fiber obtained by blending the cotton fiber and the hemp fiber.
3. The method for producing a modified fiber for eliminating stiffness according to claim 1, wherein in the second step, the wet and hot atmosphere is heated steam at a temperature of 100 to 150 ℃ and a jet speed of 15 to 25m/s, and the heated steam is water vapor.
4. The method for preparing the stiffness-eliminating modified fiber according to claim 1, wherein in the first step, the fermentation liquor containing rice washing water comprises 40-50% of rice washing water, 8-15% of fermentation bacteria liquid, 2-4% of glucose, 2-4% of urea and the balance of deionized water according to mass percent.
5. The method for preparing the stiffness-eliminating modified fiber according to claim 4, wherein the strain of the fermentation broth is a micrococcus keratinolyticus or a micrococcus roseus.
6. The method for producing a modified fiber for eliminating stiffness according to claim 1, wherein in the second step, the acidic solution is carbonic acid or hydrochloric acid.
7. The method for preparing stiffness-eliminating modified fiber according to claim 1, wherein in the third step, the drying treatment is pre-drying at 90 ℃ for 4min and baking at 150 ℃ for 3min.
8. An stiffness-eliminating modified fiber prepared by the preparation method according to any one of claims 1 to 7.
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| CN202310781678.7A CN116676783A (en) | 2023-06-29 | 2023-06-29 | Stiffness-eliminating modified fiber and preparation method thereof |
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| CN202310781678.7A CN116676783A (en) | 2023-06-29 | 2023-06-29 | Stiffness-eliminating modified fiber and preparation method thereof |
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