CN113373689A - Cotton macrofiber containing coffee active ingredient and preparation method thereof - Google Patents
Cotton macrofiber containing coffee active ingredient and preparation method thereof Download PDFInfo
- Publication number
- CN113373689A CN113373689A CN202110365894.4A CN202110365894A CN113373689A CN 113373689 A CN113373689 A CN 113373689A CN 202110365894 A CN202110365894 A CN 202110365894A CN 113373689 A CN113373689 A CN 113373689A
- Authority
- CN
- China
- Prior art keywords
- cotton
- fiber
- preparation
- steps
- active ingredient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 128
- 239000004480 active ingredient Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 21
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229960001948 caffeine Drugs 0.000 claims abstract description 18
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005906 dihydroxylation reaction Methods 0.000 claims abstract description 17
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 15
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 10
- 238000007664 blowing Methods 0.000 claims abstract description 9
- 150000002500 ions Chemical class 0.000 claims abstract description 9
- 230000004048 modification Effects 0.000 claims abstract description 6
- 238000012986 modification Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 238000002791 soaking Methods 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 150000007524 organic acids Chemical group 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 235000012343 cottonseed oil Nutrition 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 abstract description 15
- 230000037303 wrinkles Effects 0.000 abstract description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 241000219146 Gossypium Species 0.000 description 26
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
- 229920002678 cellulose Polymers 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- 238000004332 deodorization Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000002808 molecular sieve Substances 0.000 description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 4
- YHASWHZGWUONAO-UHFFFAOYSA-N butanoyl butanoate Chemical compound CCCC(=O)OC(=O)CCC YHASWHZGWUONAO-UHFFFAOYSA-N 0.000 description 3
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 241000222122 Candida albicans Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 229940095731 candida albicans Drugs 0.000 description 2
- 238000002242 deionisation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 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 description 1
- 240000002024 Gossypium herbaceum Species 0.000 description 1
- 235000004341 Gossypium herbaceum Nutrition 0.000 description 1
- 241000219071 Malvaceae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012042 active reagent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229930182478 glucoside Natural products 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Images
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
- 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
- D06M13/322—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 nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention provides a cotton macrobiotic fiber containing coffee active ingredients and a preparation method thereof, and relates to the technical field of cotton fiber modification. S1, blowing: threshing and impurity removing treatment are carried out on the collected cotton to obtain clean and complete natural cotton fibers, and S2, hydroxyl removing: under the heating state, replacing the original hydroxyl with a group with stronger nucleophilicity than the hydroxyl on the natural cotton cellulose fiber, S3, deionized cleaning: and (4) washing with deionized water, and washing redundant ions on the cellulose fibers. The cotton macrobiotic fiber containing coffee active ingredients and the preparation method thereof can replace unstable hydroxyl bonds on the original cotton fiber with more stable hydroxyl bonds through the step of dehydroxylation, so that the whole cotton fiber has more perfect crease resistance, is not easy to wrinkle and shrink, gives better comfort to a wearer, and can enable the cotton fiber to have the characteristics of wear resistance, chlorine water resistance and the like through a modifying reagent containing caffeine, thereby prolonging the service time of the whole cloth.
Description
Technical Field
The invention relates to the technical field of cotton fiber improvement, in particular to a cotton macrobiotic fiber containing coffee active ingredients and a preparation method thereof.
Background
Cotton fiber, the fiber coated on the seed of the cotton plant of malvaceae, also known as cotton, short for cotton, it is an important raw material of the textile industry, the cotton is one of the most main crops in the world, the cotton fiber is mainly made up of cellulose fiber substance, it is a compound of natural macromolecule type, the output is large, the production cost is low, make the cotton products cheaper, the cotton fiber can be made into the fabrics of many specifications, from the light and transparent bali yarn to the thick canvas and thick velveteen, suitable for making all kinds of clothes, furniture cloth and industrial cloth, its main ingredient is cellulose, the cotton fiber products absorb moisture, the air permeability is good, soft and warm, it is comfortable to wear.
The defects of the cotton fiber are obvious, the shrinkage of the fabric made of the cotton fiber is easy, the shrinkage rate is about 4-10%, and the fabric is wrinkled, deformed and non-wear-resistant, so that the existing ready-made clothes products are often made of the fabric made of blended cotton and artificial synthetic fibers, and the improvement on the natural cotton fiber is needed.
Disclosure of Invention
The invention aims to provide a cotton macrofiber containing coffee active ingredients and a preparation method thereof. According to the cotton macrobiotic fiber containing the coffee active ingredient and the preparation method thereof, the hydroxyl bonds which are not stable enough on the original cotton fiber can be replaced by more stable hydroxyl groups through the step of dehydroxylation, so that the crease resistance of the whole cotton fiber is more perfect, the whole cotton fiber is not easy to wrinkle and shrink, the wearer feels better, the modifying reagent containing caffeine can ensure that the cotton fiber has the characteristics of wear resistance, chlorine water resistance and the like, the whole cloth has better performance, and the wearing time is prolonged.
In order to solve the problems that the cotton fiber is easy to wrinkle and shrink and easy to wear, the invention provides the following technical scheme: the preparation method of the cotton macrobio-fiber containing coffee active ingredients comprises the following steps:
step one, blowing: the collected cotton is threshed and decontaminated to obtain clean and complete natural cotton fiber.
Step two, dehydroxylation: in the heating state, the original hydroxyl group is replaced by a group with stronger nucleophilicity than the hydroxyl group on the natural cotton cellulose fiber.
Step three, deionization cleaning: and (4) washing with deionized water, and washing redundant ions on the cellulose fibers.
Step four, caffeine modification: adding a reagent containing caffeine active ingredient to further modify the cotton fiber obtained after hydroxyl group exchange, heating and pressurizing while stirring.
Step five, physical cleaning: and fully cleaning the modified cotton fibers with clear water.
Step six, physical drying: and (3) blowing, heating and drying the cotton fibers washed by the clear water.
Further, according to the operation steps in the step one, the collected high-quality cotton is stripped from the cotton seeds through a roller cotton gin, and is cleaned, and fine impurities are removed, so that the natural cotton fiber with the length of about 2-7cm is obtained.
Further, according to the operation steps in the second step, the obtained natural cotton fibers are placed in a sealed container, and a dehydroxylating agent is added, wherein the dehydroxylating agent is organic acid anhydride and comprises acetic anhydride, propionic anhydride and butyric anhydride, and the concentration ratio is 48-103 g/L.
Further, according to the operation steps in the second step, the container added with the dehydroxylation agent is sealed, and the cotton fiber is soaked, heated and stirred for three procedures, wherein the soaking time is 6.5-12h, the heating temperature is 82-158 ℃, and the stirring rotating speed is 0.2/s.
Further, according to the operation steps in the third step, the cotton fiber which has been subjected to dehydroxylation treatment is subjected to deionized cleaning, pure water from which impurities in the form of ions have been removed is used, and the purified water belongs to class C industrial grade, and the conductivity is 0.1. mu.s/cm to 0.9. mu.s/cm.
Further, according to the operation steps in the third step, the deionized water is used for soaking the cotton fibers for 13-23 hours, and the cleaning time is 30-60 min.
Further, according to the operation steps in the fourth step, the cleaned cotton fiber is placed in a sealed container, and a caffeine component modifying agent is added, wherein the modifying agent is a mixed alkali solution, mainly an alkali metal hydroxide solution, and comprises a mixed solution of 7 wt% of NaOH, 12 wt% of urea and the like.
Further, according to the operation steps in the fourth step, the modifying reagent is used for soaking for 5-9h, the pressure is 1.3 atmospheric pressures, the temperature is controlled at 42-58 ℃, and the stirring speed is 0.3/s.
Further, according to the operation steps in the fifth step, the modified cotton fibers are fully soaked by using clean water, and are washed by water flow, wherein the soaking time is 12-24 hours, the washing time is 45-60min, and the water flow speed is 1.5L/s.
Further, according to the operation steps in the sixth step, the cleaned modified cotton fiber is heated and naturally dried, the heating temperature is 45-60 ℃, the wind speed is 3.4-5.2m/s, and the whole time is 8-14 h.
The invention provides a cotton macrofiber containing coffee active ingredients and a preparation method thereof, and the cotton macrofiber has the following beneficial effects:
can make the not stable hydroxyl bond that is enough on the cotton fiber originally replace more stable hydroxyl through the step of dehydroxylation, it is that whole cotton fiber's crease resistance can be more perfect, be difficult for wrinkling the shrink, give the better comfort of person of dress, through the modifier who contains caffeine, can make cotton fiber possess characteristics such as stand wear and tear, chlorine-resistant water makes whole cloth have better performance, the time of use extension.
Drawings
FIG. 1 is a flow chart of the cotton macrofiber containing coffee active ingredients and the preparation method thereof of the present invention
Detailed Description
The invention provides a technical scheme that: the preparation method of the cotton macrobio-fiber containing coffee active ingredients comprises the following steps:
step one, blowing: the collected cotton is threshed and decontaminated to obtain clean and complete natural cotton fiber.
Step two, dehydroxylation: in the heating state, the original hydroxyl group is replaced by a group with stronger nucleophilicity than the hydroxyl group on the natural cotton cellulose fiber.
Step three, deionization cleaning: and (4) washing with deionized water, and washing redundant ions on the cellulose fibers.
Step four, caffeine modification: adding a reagent containing caffeine active ingredient to further modify the cotton fiber obtained after hydroxyl group exchange, heating and pressurizing while stirring.
Step five, physical cleaning: and fully cleaning the modified cotton fibers with clear water.
Step six, physical drying: and (3) blowing, heating and drying the cotton fibers washed by the clear water.
Further, according to the operation steps in the step one, the collected high-quality cotton is stripped from the cotton seeds through a roller cotton gin, and is cleaned, and fine impurities are removed, so that the natural cotton fiber with the length of about 2-7cm is obtained.
Further, according to the operation steps in the second step, the obtained natural cotton fibers are placed in a sealed container, and a dehydroxylating agent is added, wherein the dehydroxylating agent is organic acid anhydride and comprises acetic anhydride, propionic anhydride and butyric anhydride, and the concentration ratio is 48-103 g/L.
Further, according to the operation steps in the second step, the container added with the dehydroxylation agent is sealed, and the cotton fiber is soaked, heated and stirred for three procedures, wherein the soaking time is 6.5-12h, the heating temperature is 82-158 ℃, and the stirring rotating speed is 0.2/s.
Further, according to the operation steps in the third step, the cotton fiber which has been subjected to dehydroxylation treatment is subjected to deionized cleaning, pure water from which impurities in the form of ions have been removed is used, and the purified water belongs to class C industrial grade, and the conductivity is 0.1. mu.s/cm to 0.9. mu.s/cm.
Further, according to the operation steps in the third step, the deionized water is used for soaking the cotton fibers for 13-23 hours, and the cleaning time is 30-60 min.
Further, according to the operation steps in the fourth step, the cleaned cotton fiber is placed in a sealed container, and a modifying agent containing caffeine is added, wherein the modifying agent is a mixed alkali solution which is mainly an alkali metal hydroxide solution and comprises a mixed solution of 7 wt% of NaOH and 12 wt% of urea, and the like.
Further, according to the operation steps in the fourth step, the modifying reagent is used for soaking for 5-9h, the pressure is 1.3 atmospheric pressures, the temperature is controlled at 42-58 ℃, and the stirring speed is 0.3/s.
Further, according to the operation steps in the fifth step, the modified cotton fibers are fully soaked by using clean water, and are washed by water flow, wherein the soaking time is 12-24 hours, the washing time is 45-60min, and the water flow speed is 1.5L/s.
Further, according to the operation steps in the sixth step, the cleaned modified cotton fiber is heated and naturally dried, the heating temperature is 45-60 ℃, the wind speed is 3.4-5.2m/s, and the whole time is 8-14 h.
The method of the embodiment carries out detection analysis, compares with the prior art, and refers to the standard GB/T33610.3-2019 'determination of textile deodorization performance' and GB/T20944.3-2008 'evaluation of textile antibacterial performance' to obtain the following data:
| examples | Prior Art | |
| Shrinkage ratio | 1％-3％ | 4％-10％ |
| Wear resistance | 410 (times/mg) | 660 (times/mg) |
| Moisture absorption property | 4.6％-6.8％ | 8％-11％ |
| Breaking strength | 5.27 | 3.35 |
| Deodorization ratio | 88.8％-91.8％ | 17.6％-29.3％ |
Experimental tables for bacteriostatic rates of strains:
| bacterial strain | Before cleaning | After cleaning, cleaning |
| Staphylococcus aureus | ≧95％ | ≧90％ |
| Escherichia coli | ≧95％ | ≧90％ |
| Candida albicans | ≧95％ | ≧90％ |
According to the data in the table, when the embodiment is adopted, the active reagent containing caffeine is further selected to modify the natural cotton fiber, so that the crease and shrinkage resistance of the cotton fiber are better, artificial clothes are wrinkled, the clothes are soaked for five minutes, then the clothes are dehydrated and ironed, the clothes are washed again for crease and wrinkle resistance for about 18 times, the comfort level is increased, the wear-resisting effect is improved, the wear-resisting degree of the cloth is improved compared with that of a common cloth, the friction time of the cloth is prolonged under the same condition compared with the prior art, the average wear is reduced by 250 times/mg, the original deodorization effect is poor, the deodorization rate of the improved cloth is 88.8-91.8%, and meanwhile, the bacteriostasis rate of the improved cloth to staphylococcus aureus, escherichia coli and candida albicans is more than 95%, and the bacteriostasis rate of the cloth after 50 times of cleaning can still reach more than 90 percent.
The invention provides a method for preparing coffee active ingredient-containing cotton macrofiber 250 (inferior/fiber and preparation method thereof, S1, blowing, namely, threshing and impurity removing treatment is carried out on the collected cotton to obtain clean and complete natural cotton fiber, the collected high-quality cotton is stripped from cotton seeds by a roller cotton gin, cleaning treatment is carried out to remove fine impurities to obtain the natural cotton fiber with the length of about 2-7cm, the natural cotton fiber is divided into three types, the first type fiber is slender and about 2-7cm, the second type fiber is equal in length and about 1.3-3.3cm, the third type fiber is thick and short and about 1-2.5cm, wherein the first type is more representative, S2, hydroxyl removing, in a heating state, a group with stronger nucleophilicity than that on the natural cotton fiber is adopted to replace the original hydroxyl, and the obtained natural cotton fiber is placed in a sealed container to be added with a hydroxyl removing agent, the dehydroxylation agent is organic acid anhydride comprising acetic anhydride, propionic anhydride and butyric anhydride, the concentration ratio is 48-103g/L, a container added with the dehydroxylation agent is sealed, cotton fiber is soaked, heated and stirred for 6.5-12h, the heating temperature is 82-158 ℃, the stirring rotating speed is 0.2/s, the cotton fiber is composed of cellulose macromolecules formed by connecting beta-2D glucose residual groups through 1,4 glucoside bonds, 3 free hydroxyl groups capable of forming hydrogen bonds are reserved on each glucose ring in the cellulose molecule, when the fiber is subjected to external force, molecular chains are arranged orderly in a crystallization area with high regularity, more hydrogen bonds can be formed and can bear external acting force at the same time, most of the hydroxyl groups are in an amorphous area, the formed hydrogen bonds are fewer and easy to deform, and the crosslinking agent reacts with the hydroxyl groups on the adjacent molecular chains in the fiber to form covalent bridges, and (3) more stable and difficult to wrinkle and shrink, and S3, deionized cleaning: deionized water cleaning, cleaning redundant ions on cellulose fibers, performing deionized cleaning on cotton fibers subjected to dehydroxylation treatment, wherein the used pure water is pure water without impurities in the form of ions, belongs to the class C industrial grade, the conductivity is 0.1-0.9 mu S/cm, the time for soaking the cotton fibers in the deionized water is 13-23h, and the cleaning time is 30-60min, the deionized water cleaning is selected to remove acid anhydride attached to the surface of a cellulose molecular sieve after dehydroxylation reaction, so that the acid anhydride is prevented from influencing the acidity and alkalinity of the cellulose molecular sieve, the organic acid anhydride is easily soluble in water, the cleaning with the deionized water is better, and S4 and caffeine modification: adding a reagent containing caffeine active ingredients to further modify the cotton fiber obtained after hydroxyl group exchange, heating, pressurizing and stirring the cotton fiber during the process, placing the cleaned cotton fiber in a sealed container, adding a modifying reagent containing caffeine ingredients, wherein the modifying reagent is a mixed alkali solution, mainly comprises an alkali metal hydroxide solution, including a mixed solution of 7 wt% NaOH and 12 wt% urea, and the like, soaking the cotton fiber for 5 to 9 hours by using the modifying reagent, the pressure is 1.3 atmospheres, the temperature is controlled to be 42 to 58 ℃, the stirring speed is 0.3/s, the original cotton fiber is not wear-resistant, modifying the internal structure of the cotton fiber by using the modifying reagent containing caffeine ingredients, and the mixed alkali solution can help caffeine molecules to enter the crystalline region of cellulose infinitely and eliminate hydrogen bonding between cellulose molecular chains at the same time, more stable, S5, physical cleaning: fully cleaning the modified cotton fibers with deionized water, fully soaking the modified cotton fibers with clear water, cleaning with water flow, wherein the soaking time is 12-24h, the cleaning time is 45-60min, the water flow speed is 1.5L/S, cleaning with deionized water, removing a mixed alkali solution attached to the surface of the cellulose molecular sieve, and preventing the mixed alkali solution from influencing the pH value of the cellulose molecular sieve, S6, physical drying: the method comprises the steps of blowing, heating and drying cotton fibers washed by clear water, heating and naturally drying the cleaned modified cotton fibers, wherein the heating temperature is 45-60 ℃, the wind speed is 3.4-5.2m/s, the overall time is 8-14h, and the finished cotton fibers need to be dried in time so that the modified cotton fibers are more stable, the heating temperature is not too high, the tip of the cotton fibers is easy to deform, the quality of the cotton fibers is too light, and the wind speed is too fast and cannot be controlled well.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The cotton macrobio-fiber containing coffee active ingredients and the preparation method thereof are characterized by comprising the following steps:
s1, blowing: threshing and impurity removing treatment are carried out on the collected cotton to obtain clean and complete natural cotton fibers;
s2, dehydroxylation: under the heating state, replacing the original hydroxyl by a group with stronger nucleophilicity than the hydroxyl on the natural cotton cellulose fiber;
s3, deionized cleaning: washing with deionized water, and washing redundant ions on the cellulose fibers;
s4, caffeine modification: adding a reagent containing caffeine active ingredients to further modify the cotton fiber obtained after hydroxyl group exchange, and heating, pressurizing and stirring the cotton fiber;
s5, physical cleaning: fully cleaning the modified cotton fibers with clear water;
s6, physical drying: and (3) blowing, heating and drying the cotton fibers washed by the clear water.
2. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the step one, the collected high-quality cotton is stripped from the cotton seeds through a roller cotton gin, and is cleaned, and fine impurities are removed, so that the natural cotton fiber with the length of about 2-7cm is obtained.
3. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the second step, the obtained natural cotton fibers are placed in a sealed container, and a dehydroxylating agent is added, wherein the type of the dehydroxylating agent is organic acid anhydride, and the concentration ratio of the dehydroxylating agent to the dehydroxylation agent is 48-103 g/L.
4. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the second step, the container added with the dehydroxylation agent is sealed, and the cotton fiber is soaked, heated and stirred for three procedures, wherein the soaking time is 6.5-12h, the heating temperature is 82-158 ℃, and the stirring rotating speed is 0.2/s.
5. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the third step, the cotton fiber which is subjected to dehydroxylation treatment is subjected to deionized cleaning, pure water which is used after impurities in the form of ions are removed belongs to the class C industrial grade, and the conductivity is 0.1 mu s/cm-0.9 mu s/cm.
6. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the third step, the deionized water is used for soaking the cotton fibers for 13-23h, and the cleaning time is 30-60 min.
7. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the fourth step, the cleaned cotton fiber is placed in a sealed container, and a modifying reagent containing caffeine is added, wherein the modifying reagent is a mixed alkali solution, mainly an alkali metal hydroxide solution, and comprises a mixed solution of 7 wt% of NaOH, 12 wt% of urea and the like.
8. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: according to the operation steps in the fourth step, the modifying reagent is used for soaking for 5-9h, the pressure is 1.3 atmospheres, the temperature is controlled at 42-58 ℃, and the stirring speed is 0.3/s.
9. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: and according to the operation steps in the fifth step, fully soaking the modified cotton fibers by using clean water, and washing by using water flow, wherein the soaking time is 12-24h, the washing time is 45-60min, and the water flow speed is 1.5L/s.
10. The coffee active ingredient-containing cotton macrobio fiber and the preparation method thereof according to claim 1, characterized by comprising the steps of: and according to the operation steps in the sixth step, the cleaned modified cotton fiber is heated and naturally dried, the heating temperature is 45-60 ℃, the wind speed is 3.4-5.2m/s, and the whole time is 8-14 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365894.4A CN113373689A (en) | 2021-04-06 | 2021-04-06 | Cotton macrofiber containing coffee active ingredient and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110365894.4A CN113373689A (en) | 2021-04-06 | 2021-04-06 | Cotton macrofiber containing coffee active ingredient and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113373689A true CN113373689A (en) | 2021-09-10 |
Family
ID=77569858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110365894.4A Pending CN113373689A (en) | 2021-04-06 | 2021-04-06 | Cotton macrofiber containing coffee active ingredient and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113373689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117626701A (en) * | 2023-11-21 | 2024-03-01 | 恩平三力胶粘制品有限公司 | Nonpolar tissue paper and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064077A (en) * | 2015-09-08 | 2015-11-18 | 湖州吉昌丝绸有限公司 | Method for dyeing pure cotton fabric by use of coffee |
| CN105088752A (en) * | 2015-08-22 | 2015-11-25 | 钱景 | Method for preparing silver-carrying antibacterial blended fabric by instant coffee |
| CN108893796A (en) * | 2018-06-29 | 2018-11-27 | 百事基材料（青岛）股份有限公司 | A kind of plant source modified cellulose fibre |
| CN109295710A (en) * | 2018-08-07 | 2019-02-01 | 湖南省长沙市爱晚亭家纺用品有限公司 | A kind of method of cotton fiber modification |
| CN109487551A (en) * | 2018-10-25 | 2019-03-19 | 山传雷 | A kind of plant source complex function book on Chinese herbal medicine cotton fiber and preparation method thereof |
| CN109763328A (en) * | 2019-03-18 | 2019-05-17 | 佛山市南海画馨服饰有限公司 | A kind of caffeine fabric and its manufacturing method |
-
2021
- 2021-04-06 CN CN202110365894.4A patent/CN113373689A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088752A (en) * | 2015-08-22 | 2015-11-25 | 钱景 | Method for preparing silver-carrying antibacterial blended fabric by instant coffee |
| CN105064077A (en) * | 2015-09-08 | 2015-11-18 | 湖州吉昌丝绸有限公司 | Method for dyeing pure cotton fabric by use of coffee |
| CN108893796A (en) * | 2018-06-29 | 2018-11-27 | 百事基材料（青岛）股份有限公司 | A kind of plant source modified cellulose fibre |
| CN109295710A (en) * | 2018-08-07 | 2019-02-01 | 湖南省长沙市爱晚亭家纺用品有限公司 | A kind of method of cotton fiber modification |
| CN109487551A (en) * | 2018-10-25 | 2019-03-19 | 山传雷 | A kind of plant source complex function book on Chinese herbal medicine cotton fiber and preparation method thereof |
| CN109763328A (en) * | 2019-03-18 | 2019-05-17 | 佛山市南海画馨服饰有限公司 | A kind of caffeine fabric and its manufacturing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117626701A (en) * | 2023-11-21 | 2024-03-01 | 恩平三力胶粘制品有限公司 | Nonpolar tissue paper and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105011391B (en) | A kind of natural antibacterial bamboo fiber socks | |
| TW200928022A (en) | Manufacturing method for natural cellulose fiber with increased mildew-proof, antibacterial and deodorizing functions | |
| CN104294438B (en) | Preparation method of multifunctional chitosan modified polyurethane-Lyocell core spun yarn | |
| CN1995512A (en) | Chitosan fiber, alga fiber and natural fiber blend-spinning yarn and its preparation method and uses | |
| CN112455022B (en) | Antibacterial home furnishing cloth material and production process and application thereof | |
| CN109629080A (en) | A kind of antibacterial and the Graphene towel and preparation method thereof to promote blood circulation | |
| CN110965149A (en) | Water lily protein fiber and preparation process thereof | |
| CN113373689A (en) | Cotton macrofiber containing coffee active ingredient and preparation method thereof | |
| CN112160049A (en) | Sun-proof antibacterial textile fabric and preparation method thereof | |
| CN112647282A (en) | Antibacterial finishing method of silk fabric | |
| CN113699786B (en) | Durable antibacterial fiber fabric based on cotton fibers and preparation method thereof | |
| CN1600907A (en) | Pieparation method for fabricating raw bamboo into spinnable bamboo fibers | |
| CN108716116A (en) | A kind of antibacterial deodourizing anti-crease finishing technique of blended yarn weaved fabric | |
| CN109662356B (en) | Natural corn cotton cup | |
| CN1034821C (en) | Silk and bast fiber mixed silk and its production method | |
| CN110004718B (en) | Antistatic silk and cashmere fabric | |
| CN108914239A (en) | A kind of preparation method of anti-bacterial fibre | |
| JP4279576B2 (en) | Antibacterial natural fiber and fabric and method for producing the same | |
| CN115449953A (en) | High-elastic moisture absorption fabric, preparation method thereof and underpants | |
| CN1624212A (en) | Method of processing raw bamboo into spinnable bamboo fiber | |
| CN108301067B (en) | Polylactic acid fiber and preparation method and application thereof | |
| CN104911786A (en) | Silk and linen interwoven silk and production method thereof | |
| CN108716044A (en) | A kind of production method of radiation protection cotton fiber and the spinning of health care metal wire mixed | |
| CN113529482B (en) | Preparation method of antibacterial tipping paper | |
| CN114381819B (en) | Preparation method of antibacterial deodorizing regenerated cellulose fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210910 |