CN105821660A - Modified silk fiber with high moisture absorbability and moisture retentivity and preparing method thereof - Google Patents

Modified silk fiber with high moisture absorbability and moisture retentivity and preparing method thereof Download PDF

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CN105821660A
CN105821660A CN201610319815.5A CN201610319815A CN105821660A CN 105821660 A CN105821660 A CN 105821660A CN 201610319815 A CN201610319815 A CN 201610319815A CN 105821660 A CN105821660 A CN 105821660A
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silk fiber
highly hygroscopic
moisture
moisture retention
fiber
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CN105821660B (en
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王文庆
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Nanjing Jinbang kylin Home Furnishing Limited by Share Ltd
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Dongguan Lianzhou Intellectual Property Operation and Management Co Ltd
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Priority to CN201810437542.3A priority patent/CN108660755B/en
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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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • 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
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
    • D06B19/0029—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C19/00—Breaking or softening of fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
    • 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
    • D06M11/155—Halides of elements of Groups 2 or 12 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
    • 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
    • D06M13/144—Alcohols; Metal alcoholates
    • 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/11—Starch or derivatives 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/13—Alginic acid or derivatives 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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/15—Proteins or derivatives 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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • 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
    • D06M2101/10—Animal fibres

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

The invention provides modified silk fiber with high moisture absorbability and moisture retentivity and a preparing method thereof. Fibrillated silk fiber is used as the raw material, chitosan low in molecular weight, sodium alga acid, corn starch and honeysuckle flower are used as a finishing agent high in moisture absorbability and moisture retentivity, and the raw material is impregnated in the finishing agent high in moisture absorbability and moisture retentivity and silk fibroin solution in sequence and then subjected to steaming processing and sizing, washing and drying to generate the modified silk fiber with high moisture absorbability and moisture retentivity. The modified silk fiber is high in fibrillation degree and excellent in moisture absorbability and moisture retentivity, the practicality of the silk fiber is improved through silk fibroin curing and finishing, and the intrinsic properties of silk are protected to the maximum extent.

Description

A kind of modified silk fiber of highly hygroscopic moisture retention and preparation method thereof
Technical field:
The invention belongs to textile material technical field, be specifically related to modified silk fiber of a kind of highly hygroscopic moisture retention and preparation method thereof.
Background technology:
Along with stepping up of people's living standard, people it is also proposed higher requirement to cloth textile itself, not only want Durable comfortable, in addition it is also necessary to have the functions such as antibacterial bacteriostatic.It is known that silk fiber also has certain health-care effect and well-known so that pro-skin is comfortable always, but the hygroscopicity of silk fiber is the highest, and regain is only 11%, greatly limit the silk fiber application in moisture absorption field.
Silk composite fiber that a kind of moisture absorption disclosed in Chinese patent CN104213248A (publication date 2014 on December 17) is ventilative and preparation method thereof, first by Olibanum, calamitas urinae hominis, Flos Lonicerae boiling 4-6 hour, filter, in filtrate, input silkworm silk, Pilus Cameli, milk protein fiber soak 10-13 hour, uniformly spray into cocos nucifera oil elite after pulling drying, defat, superfine grinding out；Hot water stirs is added to dissolving, addition coral fleece, ramee, PTT chopped fiber, plasticity starch, sodium pyrophosphate ultrasonic Treatment 30-40 minute again in tea polyphenols；Then weigh 1-butyl-3-Methylimidazole. dibutylphosphoric acid ester, 1-ethyl-3-methylimidazole diethyl phosphate puts into stirring and evenly mixing in reactor, add step (1), (2) product grinds 20-40 minute, it is heated to 100-120 DEG C, add other residual components stirring reaction 50-70 minute, prepare spinning solution；Finally prepared spinning solution carried out spinning, winding, boundling, stretching and get final product.Silk composite fiber prepared by the method belongs to regenerated silk composite fibre, is prepared through spinning by the fusion of silkworm silk with other function raw materials, and the mechanical strength of regenerated silk composite fibre prepared by the method is low, and practicality is little.Chinese papers (" preparation of HBP-HTC and the study on the modification to silk broadcloth thereof ", Zhang Desuo, University Of Suzhou's Master's thesis) disclosed in utilize hyperbranched compound HBP-HTC to after silk broadcloth impregnation process find, owing to HBP-HTC being attached to silkworm silk surface containing a large amount of hydrophilic radicals, improve the hydrophilic of silkworm silk, and make when high-temperature process silkworm silk be subject to certain destruction, add the gap in fabric, enhance capillary benefit, so the water absorption of silk fabric slightly strengthens.Silk fabric prepared by the method is the water absorption by adding hydrophilic group raising silk fabric on the surface of silk fabric, and the water absorbing properties of enhancing is limited.
Summary of the invention:
The technical problem to be solved in the present invention is to provide modified silk fiber of a kind of highly hygroscopic moisture retention and preparation method thereof, it is with the silk fiber of fibrillating as raw material, using chitosan, sodium alginate, corn starch and the Flos Lonicerae of low-molecular-weight as highly hygroscopic moisture retention finishing agent, through priority in dipping moisture absorbability and moisture retentivity finishing agent and silk fibroin protein solution, then make through the sizing of water individual composition, washing, drying steps.The original fiber degree of modified silk fiber prepared by the present invention is high, and highly hygroscopic wet keeping finishing agent is contained on the inside of the silkworm silk of fibrillating and surface, and therefore the moisture-absorbing moisture-keeping performance of modified silk fiber is good.
For solving above-mentioned technical problem, the technical scheme is that
A kind of modified silk fiber of moisture absorbability and moisture retentivity, it is characterized in that, the modified silk fiber of described moisture absorbability and moisture retentivity is with the silk fiber of fibrillating as raw material, be through impregnation with, water individual composition is shaped, wash, drying steps is made, moisture absorbability and moisture retentivity finishing agent is contained on the inside of the silk fiber of the fibrillating of the modified silk fiber of described moisture absorbability and moisture retentivity and surface, comprises the chitosan of low-molecular-weight, sodium alginate, corn starch and Flos Lonicerae in described moisture-absorbing moisture-keeping finishing agent.
Preferred as technique scheme, component in described moisture-absorbing moisture-keeping finishing agent, by weight, and including: chitosan 5-15 part of low-molecular-weight, sodium alginate 3-7 part, corn starch 2-8 part, Flos Lonicerae 1-5 part and deionized water 50-80 part.
The present invention also provides for the preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention, it is characterised in that: comprise the following steps:
(1) by silkworm silk after degumming process, add in calcium chloride solution swelling, then swelling silk fiber is obtained the silk fiber of fibrillating through rubbing with combing；
(2) chitosan solution of low-molecular-weight will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stir to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent；
(3) the silk fiber room temperature of fibrillating step (1) prepared impregnated in complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) after drying, take out and dry, impregnated in again in silk fibroin water solution, take out, remove the solution of excess surface, finally processing sizing with alcohol steam, washing and drying obtains the modified silk fiber of highly hygroscopic moisture retention.
Preferred as technique scheme, in described step (1), the concentration of calcium chloride solution is 2-4%, and swelling temperature is 70-80 DEG C, and the swelling time is 5-15min.
Preferred as technique scheme, in described step (1), the original fiber degree of the silk fiber of fibrillating is 20-35%.
Preferred as technique scheme, in described step (2), the deacetylation of the chitosan of low-molecular-weight is 85-95%, and in the chitosan solution of low-molecular-weight, the mass fraction of chitosan is not higher than 5%.
Preferred as technique scheme, in described step (2), in sodium alginate soln, the mass fraction of sodium alginate is not higher than 3%.
Preferred as technique scheme, in described step (3), the temperature of dipping is 25-30 DEG C, and the time of dipping is not less than 10min.
Preferred as technique scheme, in described step (3), the temperature dried and be dried is 60-70 DEG C.
Preferred as technique scheme, in described step (3), the volume ratio of alcohol steam is 1:1, and the process time is 10-30min.
Compared with prior art, the method have the advantages that
(1) swelling silk fiber is carried out rubbing and combing by the present invention, make silk fiber fibrillation, the amorphous regions of fibroin macromolecule internal increases, also occur between crystal region loosening, hydrone enters amorphous region and crystal region, making fibroin strand spacing increase, fibrous outer surfaces is long-pending to be increased, and then improves the moisture-absorbing moisture-keeping performance of silk fiber.
(2) present invention uses the chitosan of low-molecular-weight, sodium alginate, corn starch and Flos Lonicerae extract prepare moisture absorbability and moisture retentivity finishing agent as raw material, in finishing agent, the hygroscopicity containing corn starch is strong, Flos Lonicerae has antibacterial and bacteriostasis, possibly together with the chitosan of low-molecular-weight and sodium alginate can and silk fiber in macromolecular chain between form certain crosslinking, the inside that corn starch and Flos Lonicerae extract are coated and fixed on silk fiber forms thin film with surface, prevent corn starch and Flos Lonicerae extract from using and washing process runs off.
(3) present invention is finally also by dipping silk fibroin water solution and ethanol water individual composition; solidification silk fiber surface and internal finishing agent; improve water-wash resistance and the serviceability of silk fiber further; and repair because fibrillation processes the damage to silk fiber high-quality performance, at utmost protect original performance of silk fiber.
(4) hygroscopicity of the modified silk fiber that prepared by the present invention is splendid, up to more than 25%, and good springiness, also there is antibacterial bacteriostatic effect.
Detailed description of the invention:
Describing the present invention in detail below in conjunction with specific embodiment, illustrative examples and explanation in this present invention are used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1:
(1) by silkworm silk after degumming process, add in the calcium chloride solution that concentration is 2%, swelling 5min at 70 DEG C, then swelling silk fiber is obtained the silk fiber of the fibrillating that original fiber degree is 20% through rubbing with combing.
(2) by weight, the chitosan solution of the low-molecular-weight that deacetylation is 85% will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stirring is to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent, the wherein chitosan of low-molecular-weight 5 parts, sodium alginate 3 parts, corn starch 2 parts, Flos Lonicerae 1 part and deionized water 50 parts.
(3) after the silk fiber room temperature of fibrillating step (1) prepared is dried, complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) is impregnated at 25 DEG C, take out, 60 DEG C of drying, then at 25 DEG C, impregnated in 15min in silk fibroin water solution, take out, remove the solution of excess surface, finally process 10min sizing, washing, 60 DEG C of modified silk fibers being dried to obtain highly hygroscopic moisture retention with the alcohol steam that volume ratio is 1:1.
Embodiment 2:
(1) by silkworm silk after degumming process, add in the calcium chloride solution that concentration is 4%, swelling 15min at 80 DEG C, then swelling silk fiber is obtained the silk fiber of the fibrillating that original fiber degree is 35% through rubbing with combing.
(2) by weight, the chitosan solution of the low-molecular-weight that deacetylation is 95% will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stirring is to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent, the wherein chitosan of low-molecular-weight 15 parts, sodium alginate 7 parts, corn starch 8 parts, Flos Lonicerae 5 parts and deionized water 80 parts.
(3) after the silk fiber room temperature of fibrillating step (1) prepared is dried, complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) is impregnated at 30 DEG C, take out, 70 DEG C of drying, then at 30 DEG C, impregnated in 20min in silk fibroin water solution, take out, remove the solution of excess surface, finally process 30min sizing, washing, 70 DEG C of modified silk fibers being dried to obtain highly hygroscopic moisture retention with the alcohol steam that volume ratio is 1:1.
Embodiment 3:
(1) by silkworm silk after degumming process, add in the calcium chloride solution that concentration is 3%, swelling 10min at 75 DEG C, then swelling silk fiber is obtained the silk fiber of the fibrillating that original fiber degree is 25% through rubbing with combing.
(2) by weight, the chitosan solution of the low-molecular-weight that deacetylation is 90% will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stirring is to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent, the wherein chitosan of low-molecular-weight 10 parts, sodium alginate 5 parts, corn starch 4 parts, Flos Lonicerae 2 parts and deionized water 60 parts.
(3) after the silk fiber room temperature of fibrillating step (1) prepared is dried, complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) is impregnated at 27 DEG C, take out, 65 DEG C of drying, then at 26 DEG C, impregnated in 25min in silk fibroin water solution, take out, remove the solution of excess surface, finally process 15min sizing, washing, 65 DEG C of modified silk fibers being dried to obtain highly hygroscopic moisture retention with the alcohol steam that volume ratio is 1:1.
Embodiment 4:
(1) by silkworm silk after degumming process, add in the calcium chloride solution that concentration is 2%, swelling 5min at 80 DEG C, then swelling silk fiber is obtained the silk fiber of the fibrillating that original fiber degree is 35% through rubbing with combing.
(2) by weight, the chitosan solution of the low-molecular-weight that deacetylation is 85% will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stirring is to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent, the wherein chitosan of low-molecular-weight 15 parts, sodium alginate 3 parts, corn starch 8 parts, Flos Lonicerae 5 parts and deionized water 50 parts.
(3) after the silk fiber room temperature of fibrillating step (1) prepared is dried, complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) is impregnated at 30 DEG C, take out, 60 DEG C of drying, then at 30 DEG C, impregnated in 25min in silk fibroin water solution, take out, remove the solution of excess surface, finally process 25min sizing, washing, 70 DEG C of modified silk fibers being dried to obtain highly hygroscopic moisture retention with the alcohol steam that volume ratio is 1:1.
Embodiment 5:
(1) by silkworm silk after degumming process, add in the calcium chloride solution that concentration is 3%, swelling 15min at 75 DEG C, then swelling silk fiber is obtained the silk fiber of the fibrillating that original fiber degree is 25% through rubbing with combing.
(2) by weight, the chitosan solution of the low-molecular-weight that deacetylation is 90% will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stirring is to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent, the wherein chitosan of low-molecular-weight 5 parts, sodium alginate 5 parts, corn starch 5 parts, Flos Lonicerae 5 parts and deionized water 65 parts.
(3) after the silk fiber room temperature of fibrillating step (1) prepared is dried, complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) is impregnated at 30 DEG C, take out, 60 DEG C of drying, then at 25 DEG C, impregnated in 10min in silk fibroin water solution, take out, remove the solution of excess surface, finally process 30min sizing, washing, 60 DEG C of modified silk fibers being dried to obtain highly hygroscopic moisture retention with the alcohol steam that volume ratio is 1:1.
Embodiment 6:
(1) by silkworm silk after degumming process, add in the calcium chloride solution that concentration is 4%, swelling 15min at 70 DEG C, then swelling silk fiber is obtained the silk fiber of the fibrillating that original fiber degree is 30% through rubbing with combing.
(2) by weight, the chitosan solution of the low-molecular-weight that deacetylation is 90% will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution, stirring is to mix homogeneously, form moisture-absorbing moisture-keeping finishing agent, the wherein chitosan of low-molecular-weight 10 parts, sodium alginate 6 parts, corn starch 6 parts, Flos Lonicerae 4 parts and deionized water 70 parts.
(3) after the silk fiber room temperature of fibrillating step (1) prepared is dried, complete wetting in moisture-absorbing moisture-keeping finishing agent prepared by step (2) is impregnated at 27 DEG C, take out, 65 DEG C of drying, then at 25 DEG C, impregnated in 15min in silk fibroin water solution, take out, remove the solution of excess surface, finally process 15min sizing, washing, 70 DEG C of modified silk fibers being dried to obtain highly hygroscopic moisture retention with the alcohol steam that volume ratio is 1:1.
After testing, the modified silk fiber of highly hygroscopic moisture retention prepared by embodiment 1-6 and the unmodified silk fiber of prior art and as follows through the absorptive result of silk fabric modified for hyperbranched compound HBP-HTC:
As seen from the above table, the modified silk fiber moisture-absorbing moisture-keeping performance of highly hygroscopic moisture retention prepared by the present invention is greatly improved, and expands the application of silk fiber.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by any person skilled in the art.Therefore, art has all equivalence modification or changes that usually intellectual is completed under without departing from disclosed spirit and technological thought such as, must be contained by the claim of the present invention.

Claims (10)

1. the modified silk fiber of a highly hygroscopic moisture retention, it is characterized in that, the modified silk fiber of described highly hygroscopic moisture retention is with the silk fiber of fibrillating as raw material, be through impregnation with, water individual composition is shaped, wash, drying steps is made, highly hygroscopic moisture retention finishing agent is contained on the inside of the silk fiber of the fibrillating of the modified silk fiber of described highly hygroscopic moisture retention and surface, comprises the chitosan of low-molecular-weight, sodium alginate, corn starch and Flos Lonicerae in described highly hygroscopic wet keeping finishing agent.
The modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 1, it is characterized in that, component in described highly hygroscopic wet keeping finishing agent, by weight, including chitosan 5-15 part of low-molecular-weight, sodium alginate 3-7 part, corn starch 2-8 part, Flos Lonicerae 1-5 part and deionized water 50-80 part.
3. the preparation method of the modified silk fiber of a highly hygroscopic moisture retention, it is characterised in that: comprise the following steps:
(1) by silkworm silk after degumming process, add in calcium chloride solution swelling, then swelling silk fiber is obtained the silk fiber of fibrillating through rubbing with combing；
(2) will add sodium alginate soln, corn starch and Flos Lonicerae extractive solution in the chitosan solution of low-molecular-weight, stirring, to mix homogeneously, forms highly hygroscopic wet keeping finishing agent；
(3) the silk fiber room temperature of fibrillating step (1) prepared impregnated in complete wetting in highly hygroscopic wet keeping finishing agent prepared by step (2) after drying, take out and dry, impregnated in again in silk fibroin water solution, take out, remove the solution of excess surface, finally processing sizing with alcohol steam, washing and drying obtains the modified silk fiber of highly hygroscopic moisture retention.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterized in that: in described step (1), the concentration of calcium chloride solution is 2-4%, and swelling temperature is 70-80 DEG C, and the swelling time is 5-15min.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterised in that: in described step (1), the original fiber degree of the silk fiber of fibrillating is 20-35%.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterized in that: in described step (2), the deacetylation of the chitosan of low-molecular-weight is 85-95%, and in the chitosan solution of low-molecular-weight, the mass fraction of chitosan is not higher than 5%.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterised in that: in described step (2), in sodium alginate soln, the mass fraction of sodium alginate is not higher than 3%.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterised in that: in described step (3), the temperature of dipping is 25-30 DEG C, and the time of dipping is not less than 10min.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterised in that: in described step (3), the temperature dried and be dried is 60-70 DEG C.
The preparation method of the modified silk fiber of a kind of highly hygroscopic moisture retention the most according to claim 3, it is characterised in that: in described step (3), the volume ratio of alcohol steam is 1:1, and the process time is 10-30min.
CN201610319815.5A 2016-05-13 2016-05-13 A kind of modified silk fiber of highly hygroscopic moisture retention and preparation method thereof Active CN105821660B (en)

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CN107338651A (en) * 2017-08-06 2017-11-10 长沙善道新材料科技有限公司 A kind of technique that highly hygroscopic moisturizing stretch-proof fabric is prepared using silk
CN107338648A (en) * 2017-08-06 2017-11-10 长沙善道新材料科技有限公司 A kind of preparation method of highly hygroscopic moisturizing stretch-proof silk fiber
CN109162094A (en) * 2018-07-23 2019-01-08 安徽三利丝绸集团有限公司 A kind for the treatment of process improving silk fiber moisture pick-up properties
CN109267317A (en) * 2018-07-23 2019-01-25 安徽三利丝绸集团有限公司 A kind of high-quality modified silk fiber
CN109518461A (en) * 2018-11-23 2019-03-26 山东如意科技集团有限公司 A kind of digital printing process
CN110923903A (en) * 2019-12-20 2020-03-27 湖州织里瑞茜服饰有限公司 Preparation method of children next-to-skin garment fabric with skin-friendly effect
CN111411518A (en) * 2020-03-27 2020-07-14 席敏皓 Antibacterial and anti-virus silk fiber filtering base cloth and application thereof
CN112647283A (en) * 2020-12-18 2021-04-13 南京金榜麒麟家居股份有限公司 Modified silk fiber with high moisture-dissipating property and preparation method thereof
CN112677673A (en) * 2021-01-22 2021-04-20 扬州古籍线装文化有限公司 Technical method for ancient book repairing and flattening and layout wrinkle prevention
CN114775283A (en) * 2022-05-17 2022-07-22 凯盛家纺股份有限公司 Preparation method of nanofiber fabric with high hygroscopicity
CN116556060A (en) * 2023-07-07 2023-08-08 比音勒芬服饰股份有限公司 High-elasticity ice-feeling fabric and application thereof in sun protection

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107338651A (en) * 2017-08-06 2017-11-10 长沙善道新材料科技有限公司 A kind of technique that highly hygroscopic moisturizing stretch-proof fabric is prepared using silk
CN107338648A (en) * 2017-08-06 2017-11-10 长沙善道新材料科技有限公司 A kind of preparation method of highly hygroscopic moisturizing stretch-proof silk fiber
CN109162094A (en) * 2018-07-23 2019-01-08 安徽三利丝绸集团有限公司 A kind for the treatment of process improving silk fiber moisture pick-up properties
CN109267317A (en) * 2018-07-23 2019-01-25 安徽三利丝绸集团有限公司 A kind of high-quality modified silk fiber
CN109518461A (en) * 2018-11-23 2019-03-26 山东如意科技集团有限公司 A kind of digital printing process
CN110923903A (en) * 2019-12-20 2020-03-27 湖州织里瑞茜服饰有限公司 Preparation method of children next-to-skin garment fabric with skin-friendly effect
CN111411518A (en) * 2020-03-27 2020-07-14 席敏皓 Antibacterial and anti-virus silk fiber filtering base cloth and application thereof
CN111411518B (en) * 2020-03-27 2022-09-09 席敏皓 Antibacterial and anti-virus silk fiber filtering base cloth and application thereof
CN112647283A (en) * 2020-12-18 2021-04-13 南京金榜麒麟家居股份有限公司 Modified silk fiber with high moisture-dissipating property and preparation method thereof
CN112677673A (en) * 2021-01-22 2021-04-20 扬州古籍线装文化有限公司 Technical method for ancient book repairing and flattening and layout wrinkle prevention
CN114775283A (en) * 2022-05-17 2022-07-22 凯盛家纺股份有限公司 Preparation method of nanofiber fabric with high hygroscopicity
CN116556060A (en) * 2023-07-07 2023-08-08 比音勒芬服饰股份有限公司 High-elasticity ice-feeling fabric and application thereof in sun protection
CN116556060B (en) * 2023-07-07 2023-09-01 比音勒芬服饰股份有限公司 High-elasticity ice-feeling fabric and application thereof in sun protection

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