CN110616566A - Biomass moisture-absorbing and sweat-releasing finishing agent and preparation method thereof - Google Patents

Biomass moisture-absorbing and sweat-releasing finishing agent and preparation method thereof Download PDF

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CN110616566A
CN110616566A CN201910834366.1A CN201910834366A CN110616566A CN 110616566 A CN110616566 A CN 110616566A CN 201910834366 A CN201910834366 A CN 201910834366A CN 110616566 A CN110616566 A CN 110616566A
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biomass
finishing agent
parts
starch
fiber particles
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徐有琦
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Wuxi Deguan Biotechnology Co Ltd
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Wuxi Deguan Biotechnology Co Ltd
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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
    • 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
    • D06M11/74—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 or graphite; with carbides; with graphitic acids or their salts
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    • 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
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    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D—TEXTILES; PAPER
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    • 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
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    • 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
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    • 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
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    • 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
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    • 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
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    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/507—Polyesters
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    • 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

Abstract

The invention discloses a biomass moisture absorption and sweat releasing finishing agent and a preparation method thereof, wherein the biomass moisture absorption and sweat releasing finishing agent is composed of the following raw materials in parts by weight: 0.2-0.5 part of biomass protein component, 0.05-1.25 parts of natural fiber particles, 0.1-2.5 parts of biomass starch granules, 0.01-0.2 part of active bacteria and 100-250 parts of natural solvent. The biomass moisture absorption and sweat releasing finishing agent provided by the invention mainly adopts the compounding of biomass starch particles, natural fiber particles and active bacteria fermentation liquor to obtain a hydrophilic finishing effect, is environment-friendly, can degrade excess materials, and has a function of adjusting the body surface temperature, and after the biomass moisture absorption and sweat releasing finishing agent is applied to fabrics, an excellent and durable moisture absorption and sweat releasing effect can be obtained.

Description

Biomass moisture-absorbing and sweat-releasing finishing agent and preparation method thereof
Technical Field
The invention belongs to the technical field of after-finishing agents, and particularly relates to a biomass moisture-absorbing and sweat-releasing finishing agent and a preparation method thereof.
Background
In recent years, various functional fabrics and required finishing agents are diversified, and moisture absorption and sweat releasing finishing is one representative of the functional fabrics and the required finishing agents. The moisture absorption and sweat releasing finishing refers to the functional finishing of the fabric by using a special auxiliary agent, so that the fabric has the characteristics of water absorption, moisture permeability and quick drying.
At present, the sports fabric needing moisture absorption and sweat releasing finishing is often polyester or polyester blended fabric, so the moisture absorption and sweat releasing finishing agent is a compound taking water dispersible polyester as a main component. Because the molecular structure of the polyester modified polyester has the same benzene ring as the molecular structure of the polyester, the molecular chain segment is anchored on the surface of the polyester under the action of high temperature, so that the original hydrophobic surface of the polyester is changed into a durable hydrophilic surface, but the water repellency of the polyester component is not changed, and the absorbed water can be quickly diffused into the atmosphere.
In view of the fact that main source components of the moisture-absorbing and sweat-releasing finishing agent such as ethylene glycol, phthalic acid and the like are still obtained from non-renewable resources such as petroleum and the like, and can only be applied to fabrics related to terylene and the like, the environment is not protected enough, and the adaptability is not wide enough, therefore, the development of the moisture-absorbing and sweat-releasing finishing agent which is wide in biomass source and fabric adaptability and convenient to use has important application value and significance.
Disclosure of Invention
The invention aims to provide a biomass moisture-absorbing and sweat-releasing finishing agent and a preparation method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a biomass moisture absorption and sweat releasing finishing agent is characterized in that: the biomass moisture absorption and sweat releasing finishing agent comprises the following raw materials in parts by weight: 0.2-0.5 part of biomass protein component, 0.05-1.25 parts of natural fiber particles, 0.1-2.5 parts of biomass starch granules, 0.01-0.2 part of active bacteria and 100-250 parts of natural solvent.
As a preferable scheme of the biomass moisture absorption and sweat releasing finishing agent provided by the invention: the biomass protein component includes but is not limited to any one or two of soy protein, whey protein, casein and chicken protein and the composition of more than two of the soy protein, the whey protein, the casein and the chicken protein.
As a preferable scheme of the biomass moisture absorption and sweat releasing finishing agent provided by the invention: the natural fiber particles are any one or a combination of more than two of bamboo fiber particles, bamboo charcoal fiber particles, wood pulp fiber particles, cotton fiber particles and polylactic acid fiber particles.
As a preferable scheme of the biomass moisture absorption and sweat releasing finishing agent provided by the invention: the biomass starch granules comprise but are not limited to cyclodextrin, oxidized dextrin, pregelatinized starch, esterified starch, oxidized starch and grafted starch, or a composition of more than two of the cyclodextrin, the oxidized dextrin, the pregelatinized starch, the esterified starch, the oxidized starch and the grafted starch.
As a preferable scheme of the biomass moisture absorption and sweat releasing finishing agent provided by the invention: the active bacteria are a composition of lactobacillus rhamnosus and myxobacteria.
As a preferable scheme of the biomass moisture absorption and sweat releasing finishing agent provided by the invention: the natural solvent is a composition of water, alcohol and orange peel essential oil.
Further, the preparation method of the biomass moisture-absorbing and sweat-releasing finishing agent is characterized by comprising the following specific steps:
sterilizing a container, adding 0.2-0.5 part of biomass protein component and 80-200 parts of water into the container to adjust the pH value of the solution to 6-8, heating in a water bath to heat the solution to 65-80 ℃, stirring at 150-250 rpm for 30-40 min, stopping heating and stirring, and sealing and standing for 10 min;
continuously adding 0.01-0.12 part of rhamnose lactobacillus into the solution after standing, culturing for 18-30 hours under the conditions of normal pressure, normal temperature, no oxygen and foreign bacteria isolation, adjusting to the conditions of normal pressure, normal temperature, oxygen and foreign bacteria isolation, adding 0.05-1.25 part of natural fiber particles, 0.1-2.5 parts of biomass starch particles and 0.01-0.08 part of myxobacteria, continuously culturing for 12-18 hours, adding 4-10 parts of alcohol, 2-5 parts of orange peel essential oil and 14-35 parts of water, heating in a water bath to enable the temperature of the solution to rise to 65-80 ℃, and stirring for 15 minutes at 600-900 rpm to obtain the biomass moisture absorption finishing perspiration agent.
Furthermore, the particle size range of the biomass protein component is 12-75 μm, and the average particle size is 38 μm.
Furthermore, the particle size range of the natural fiber particles is 5-18 μm, and the average particle size is 10 μm.
Furthermore, the particle size range of the biomass starch particles is 10-35 μm, and the average particle size is 20 μm.
Compared with the prior art, the invention has the beneficial effects that:
1. the biomass moisture-absorbing and sweat-releasing finishing agent provided by the invention adopts medical-grade raw materials, is completely biological, safe, harmless, environment-friendly, degradable in excess materials, and widely applicable to fabrics of various fibers, not only to fiber fabrics such as terylene and the like.
2. The biomass moisture absorption and sweat releasing finishing agent provided by the invention has the advantages that the obtained fermentation liquor has excellent hydrophilic finishing performance surprisingly through the fermentation of lactobacillus rhamnosus on the biomass protein component, the further fermentation of the biomass protein component by myxobacteria and the small part fermentation of natural fiber particles and biomass starch particles. Furthermore, the finishing agent finally obtained can be adapted to various fiber fabrics only through two times of fermentation of the two active bacteria under the anaerobic and aerobic conditions, so that the finishing agent can have the functions of moisture absorption and sweat releasing; however, fermentation using only one active bacterium is far from achieving such an effect. This indicates that the fermentation sequence of the two active bacteria has strict requirements and that their sequential fermentation steps have a significant synergistic effect.
3. The biomass moisture-absorbing and sweat-releasing finishing agent disclosed by the invention is safe and has better affinity to fabrics by mainly adopting an aqueous solvent rather than an organic solvent, and experiments show that the addition of the orange peel essential oil endows the finished fabrics with a function of regulating the body surface temperature, namely, the heat release of the finished fabrics can be accelerated when the body surface temperature is higher, and the heat can be slowly released when the body surface temperature is lower, so that the comfort of the microenvironment of the body surface is maintained. Experiments have shown that this may be mainly a result of the synergistic effect of the biomass starch granules and the orange peel essential oil in the fermentation broth.
4. The biomass moisture-absorbing and sweat-releasing finishing agent disclosed by the invention is simple in production process and simple and convenient in use method, can be used in various modes such as spraying and dipping, does not need high-temperature treatment, and only needs to be dried at room temperature.
5. The physical properties of the fabric finished by the biomass moisture-absorbing and sweat-releasing finishing agent are hardly affected, the whiteness is unchanged, and the fabric does not feel stiff and heavy.
The reaction mechanism analysis of the invention is as follows:
in the preparation process of the biomass moisture-absorbing and sweat-releasing finishing agent, the fermentation of a biomass protein component by lactobacillus rhamnosus for the first time can mainly obtain a natural surfactant rhamnolipid and other effective components, and the natural surfactant rhamnolipid and other effective components can modify hydrophilic natural fiber particles and biomass starch particles which are added later, so that the surface hydrophilicity of the particles is better; the secondary myxobacteria further ferment the natural fiber particles and biomass starch granules to obtain the viscous substance and other effective components which can make the natural fiber particles, biomass starch granules and fabric more adhesive, and open the structure of partial biomass starch granules to expose the hydrophobic part inside, so the perspiration function of the finished fabric is more obvious.
Test method
Moisture absorption and sweat releasing performance test: soaking a pure nylon fabric into a biomass moisture absorption and sweat releasing finishing agent, rolling out liquid after completely soaking, drying at 40 ℃ for 15min or naturally airing, taking wicking height and dripping water diffusion time as moisture absorption indexes, and taking evaporation rate and moisture permeability as sweat releasing indexes, referring to GB/T21655.1-2008, evaluation part 1 of textile moisture absorption and quick drying: the test is carried out by a single combined experimental method, and the wicking height, the dripping water diffusion time and the evaporation rate are all tested in the environment with the temperature of 25 ℃ and the relative humidity of 60%; the moisture permeability is tested in an environment of 38 ℃ and 90% relative humidity.
Detailed description of the preferred embodiment
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Sterilizing a container, adding 0.2 part of whey protein, 0.15 part of casein and 140 parts of water into the container to adjust the pH value of the solution to 7, heating in a water bath to heat the solution to 72 ℃, stirring at 200rpm for 35min, stopping heating and stirring, sealing and standing for 10 min;
continuously adding 0.06 part of rhamnose lactobacillus into the solution after standing, culturing for 24 hours under the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adjusting to the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adding 0.15 part of bamboo charcoal fiber particles, 0.25 part of wood pulp fiber particles, 0.15 part of cotton fiber particles, 0.1 part of polylactic acid fiber particles, 0.45 part of cyclodextrin, 0.3 part of oxidized dextrin, 0.2 part of esterified starch, 0.25 part of grafted starch and 0.045 part of myxobacteria, continuously culturing for 15 hours, then adding 7 parts of alcohol, 3.5 parts of orange peel essential oil and 25 parts of water, heating in a water bath to raise the temperature of the solution to 72 ℃, and stirring for 15 minutes at 750rpm to obtain the biomass moisture absorption finishing agent.
And (3) testing results: after the obtained biomass moisture absorption and sweat releasing finishing agent is used on various fabrics such as cotton, hemp, silk, wool, terylene, chinlon, spandex and the like, each fabric has excellent moisture absorption and sweat releasing performance andthe function of regulating the body surface temperature; after the pure nylon fabric is finished, the wicking height is 125mm, the dripping water diffusion time is 0.78s, the evaporation rate is 0.42g/h, and the moisture permeability is 9560 g/(m)2·d)。
Example 2
Sterilizing the container, adding 0.18 part of whey protein, 0.17 part of soybean protein and 140 parts of water into the container to adjust the pH value of the solution to 7, heating the solution in a water bath to raise the temperature of the solution to 72 ℃, stirring the solution at 200rpm for 35min, stopping heating and stirring, sealing and standing the solution for 10 min;
continuously adding 0.06 part of rhamnose lactobacillus into the solution after standing, culturing for 24 hours under the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adjusting to the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adding 0.1 part of bamboo fiber particles, 0.2 part of wood pulp fiber particles, 0.15 part of cotton fiber particles, 0.2 part of polylactic acid fiber particles, 0.45 part of cyclodextrin, 0.3 part of oxidized dextrin, 0.25 part of pregelatinized starch, 0.2 part of grafted starch and 0.045 part of myxobacteria, continuously culturing for 15 hours, then adding 7 parts of alcohol, 3.5 parts of orange peel essential oil and 25 parts of water, heating in a water bath to raise the temperature of the solution to 72 ℃, and stirring for 15 minutes at 750rpm to obtain the biomass moisture absorption finishing agent.
And (3) testing results: after the obtained biomass moisture absorption and sweat releasing finishing agent is used on various fabrics such as cotton, hemp, silk, wool, terylene, chinlon, spandex and the like, each fabric has excellent moisture absorption and sweat releasing performance and the function of adjusting the body surface temperature; after the pure nylon fabric is finished, the wicking height is 128mm, the dripping water diffusion time is 0.75s, the evaporation rate is 0.40g/h, and the moisture permeability is 9521 g/(m)2·d)。
Comparative example 1
Sterilizing a container, adding 0.2 part of whey protein, 0.15 part of casein and 140 parts of water into the container to adjust the pH value of the solution to 7, heating in a water bath to heat the solution to 72 ℃, stirring at 200rpm for 35min, stopping heating and stirring, sealing and standing for 10 min;
continuously adding 0.045 part of myxobacteria into the solution after standing, culturing for 24 hours under the conditions of normal pressure, normal temperature, oxygen and bacteria isolation, adjusting to the conditions of normal pressure, oxygen and bacteria isolation, adding 0.15 part of bamboo charcoal fiber particles, 0.25 part of wood pulp fiber particles, 0.15 part of cotton fiber particles, 0.1 part of polylactic acid fiber particles, 0.45 part of cyclodextrin, 0.3 part of oxidized dextrin, 0.2 part of esterified starch, 0.25 part of grafted starch and 0.06 part of lactobacillus rhamnosus, continuously culturing for 15 hours, adding 7 parts of alcohol, 3.5 parts of orange peel essential oil and 25 parts of water, heating in a water bath to heat the solution to 72 ℃, and stirring for 15 minutes at 750rpm to obtain the biomass moisture absorption finishing agent (compared with the example 1, the fermentation sequence of two active bacteria is changed).
And (3) testing results: after the obtained biomass moisture absorption and sweat releasing finishing agent is used on various fabrics such as silk, wool, terylene, chinlon, spandex and the like, each fabric has better moisture absorption and sweat releasing performance and the function of adjusting the body surface temperature, and the finishing effect on the fabrics such as cotton, hemp and the like is poorer; after the pure nylon fabric is finished, the wicking height is 100mm, the dripping water diffusion time is 1.17s, the evaporation rate is 0.36g/h, and the moisture permeability is 8425 g/(m)2·d)。
Comparative example 2
Sterilizing a container, adding 0.2 part of whey protein, 0.15 part of casein and 140 parts of water into the container to adjust the pH value of the solution to 7, heating in a water bath to heat the solution to 72 ℃, stirring at 200rpm for 35min, stopping heating and stirring, sealing and standing for 10 min;
continuously adding 0.105 part of lactobacillus rhamnosus into the solution after standing, culturing for 24 hours under the conditions of normal pressure, normal temperature, no oxygen and foreign bacteria isolation, adding 0.15 part of bamboo charcoal fiber particles, 0.25 part of wood pulp fiber particles, 0.15 part of cotton fiber particles, 0.1 part of polylactic acid fiber particles, 0.45 part of cyclodextrin, 0.3 part of oxidized dextrin, 0.2 part of esterified starch and 0.25 part of grafted starch, continuously culturing for 15 hours, adding 7 parts of alcohol, 3.5 parts of orange peel essential oil and 25 parts of water, heating in a water bath to 72 ℃, and stirring for 15 minutes at 750rpm to obtain the biomass moisture-absorbing and sweat-releasing finishing agent (compared with the example 1, only lactobacillus rhamnosus is used for fermentation).
And (3) testing results: after the obtained biomass moisture absorption and sweat releasing finishing agent is used on various fabrics such as cotton, hemp, silk, wool, terylene, chinlon, spandex and the like, the moisture absorption and sweat releasing performance of each fabric and the function of adjusting the body surface temperature are poor; after the pure nylon fabric is finished, the wicking height is 58mm, and the drops are droppedThe water diffusion time is 3.56s, the evaporation rate is 0.14g/h, and the moisture permeability is 2790 g/(m)2·d)。
Comparative example 3
Sterilizing a container, adding 0.2 part of whey protein, 0.15 part of casein and 140 parts of water into the container to adjust the pH value of the solution to 7, heating in a water bath to heat the solution to 72 ℃, stirring at 200rpm for 35min, stopping heating and stirring, sealing and standing for 10 min;
continuously adding 0.06 part of lactobacillus rhamnosus into the solution after standing, culturing for 24 hours under the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adjusting to the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adding 0.15 part of bamboo charcoal fiber particles, 0.25 part of wood pulp fiber particles, 0.15 part of cotton fiber particles, 0.1 part of polylactic acid fiber particles, 0.45 part of cyclodextrin, 0.3 part of oxidized dextrin, 0.2 part of esterified starch, 0.25 part of grafted starch and 0.045 part of myxobacteria, continuously culturing for 15 hours, then adding 7 parts of alcohol and 28.5 parts of water, heating in a water bath to heat the solution to 72 ℃, and stirring for 15 minutes at 750rpm to obtain the biomass moisture-absorbing and sweat-releasing finishing agent (compared with the example 1, orange peel essential oil is not added, and water is used for replacement).
And (3) testing results: after the obtained biomass moisture absorption and sweat releasing finishing agent is used on various fabrics such as cotton, hemp, silk, wool, terylene, chinlon, spandex and the like, each fabric has better moisture absorption and sweat releasing performance, but the function of adjusting the body surface temperature is general; after the pure nylon fabric is finished, the wicking height is 104mm, the dripping diffusion time is 1.10s, the evaporation rate is 0.38g/h, and the moisture permeability is 8726 g/(m)2·d)。
Comparative example 4
Sterilizing a container, adding 0.2 part of whey protein, 0.15 part of casein and 140 parts of water into the container to adjust the pH value of the solution to 7, heating in a water bath to heat the solution to 72 ℃, stirring at 200rpm for 35min, stopping heating and stirring, sealing and standing for 10 min;
continuously adding 0.06 part of lactobacillus rhamnosus into the solution after standing, culturing for 24 hours under the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adjusting to the conditions of normal pressure, normal temperature, oxygen free and bacteria isolation, adding 0.15 part of bamboo charcoal fiber particles, 0.25 part of wood pulp fiber particles, 0.15 part of cotton fiber particles, 0.1 part of polylactic acid fiber particles, 0.25 part of cyclodextrin, 0.15 part of oxidized dextrin, 0.1 part of esterified starch, 0.1 part of grafted starch and 0.045 part of myxobacteria, continuously culturing for 15 hours, then adding 7 parts of alcohol, 3.5 parts of orange peel essential oil and 25.6 parts of water, heating in a water bath to raise the temperature of the solution to 72 ℃, and stirring for 15 minutes at 750rpm to obtain the biomass moisture absorption finishing agent (compared with the embodiment 1, the amount of the biomass starch particles is reduced, and the water is used for replacement).
And (3) testing results: after the obtained biomass moisture absorption and sweat releasing finishing agent is used on various fabrics such as cotton, hemp, silk, wool, terylene, chinlon, spandex and the like, each fabric has better moisture absorption and sweat releasing performance, but the function of adjusting the body surface temperature is poorer; after the pure nylon fabric is finished, the wicking height is 108mm, the dripping water diffusion time is 1.02s, the evaporation rate is 0.40g/h, and the moisture permeability is 8914 g/(m)2·d)。
In conclusion, the biomass moisture absorption and sweat releasing finishing agent provided by the invention surprisingly enables the obtained fermentation liquor to have excellent hydrophilic finishing performance through fermentation of the lactobacillus rhamnosus on the biomass protein component, further fermentation of the lactobacillus mucosae on the biomass protein component and small-part fermentation of natural fiber particles and biomass starch particles. Furthermore, the finishing agent finally obtained can be adapted to various fiber fabrics only through two times of fermentation of the two active bacteria under the anaerobic and aerobic conditions, so that the finishing agent can have the functions of moisture absorption and sweat releasing; however, fermentation using only one active bacterium is far from achieving such an effect. This indicates that the fermentation sequence of the two active bacteria has strict requirements and that their sequential fermentation steps have a significant synergistic effect.
The biomass moisture-absorbing and sweat-releasing finishing agent disclosed by the invention is safe and has better affinity to fabrics by mainly adopting an aqueous solvent rather than an organic solvent, and experiments show that the addition of the orange peel essential oil endows the finished fabrics with a function of regulating the body surface temperature, namely, the heat release of the finished fabrics can be accelerated when the body surface temperature is higher, and the heat can be slowly released when the body surface temperature is lower, so that the comfort of the microenvironment of the body surface is maintained. Experiments have shown that this may be mainly a result of the synergistic effect of the biomass starch granules and the orange peel essential oil in the fermentation broth.
In the preparation process of the biomass moisture-absorbing and sweat-releasing finishing agent, the fermentation of a biomass protein component by lactobacillus rhamnosus for the first time can mainly obtain a natural surfactant rhamnolipid and other effective components, and the natural surfactant rhamnolipid and other effective components can modify hydrophilic natural fiber particles and biomass starch particles which are added later, so that the surface hydrophilicity of the particles is better; the secondary myxobacteria further ferment the natural fiber particles and biomass starch granules to obtain the viscous substance and other effective components which can make the natural fiber particles, biomass starch granules and fabric more adhesive, and open the structure of partial biomass starch granules to expose the hydrophobic part inside, so the perspiration function of the finished fabric is more obvious.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. A biomass moisture absorption and sweat releasing finishing agent is characterized in that: the biomass moisture absorption and sweat releasing finishing agent comprises the following raw materials in parts by weight: 0.2-0.5 part of biomass protein component, 0.05-1.25 parts of natural fiber particles, 0.1-2.5 parts of biomass starch granules, 0.01-0.2 part of active bacteria and 100-250 parts of natural solvent.
2. The biomass moisture wicking finishing agent of claim 1, wherein: the biomass protein component includes but is not limited to any one or two of soy protein, whey protein, casein and chicken protein and the composition of more than two of the soy protein, the whey protein, the casein and the chicken protein.
3. The biomass moisture wicking finishing agent of claim 1, wherein: the natural fiber particles are any one or a combination of more than two of bamboo fiber particles, bamboo charcoal fiber particles, wood pulp fiber particles, cotton fiber particles and polylactic acid fiber particles.
4. The biomass moisture wicking finishing agent of claim 1, wherein: the biomass starch granules comprise but are not limited to cyclodextrin, oxidized dextrin, pregelatinized starch, esterified starch, oxidized starch and grafted starch, or a composition of more than two of the cyclodextrin, the oxidized dextrin, the pregelatinized starch, the esterified starch, the oxidized starch and the grafted starch.
5. The biomass moisture wicking finishing agent of claim 1, wherein: the active bacteria are a composition of lactobacillus rhamnosus and myxobacteria.
6. The biomass moisture wicking finishing agent of claim 1, wherein: the natural solvent is a composition of water, alcohol and orange peel essential oil.
7. The preparation method of the biomass moisture-absorbing and sweat-releasing finishing agent according to any one of claims 1 to 6, which is characterized by comprising the following specific steps:
sterilizing a container, adding 0.2-0.5 part of biomass protein component and 80-200 parts of water into the container to adjust the pH value of the solution to 6-8, heating in a water bath to heat the solution to 65-80 ℃, stirring at 150-250 rpm for 30-40 min, stopping heating and stirring, and sealing and standing for 10 min;
continuously adding 0.01-0.12 part of rhamnose lactobacillus into the solution after standing, culturing for 18-30 hours under the conditions of normal pressure, normal temperature, no oxygen and foreign bacteria isolation, adjusting to the conditions of normal pressure, normal temperature, oxygen and foreign bacteria isolation, adding 0.05-1.25 part of natural fiber particles, 0.1-2.5 parts of biomass starch particles and 0.01-0.08 part of myxobacteria, continuously culturing for 12-18 hours, adding 4-10 parts of alcohol, 2-5 parts of orange peel essential oil and 14-35 parts of water, heating in a water bath to enable the temperature of the solution to rise to 65-80 ℃, and stirring for 15 minutes at 600-900 rpm to obtain the biomass moisture absorption finishing perspiration agent.
8. The biomass moisture absorbing and releasing finishing agent according to claim 1 or 2, characterized in that: the particle size range of the biomass protein component is 12-75 mu m, and the average particle size is 38 mu m.
9. The biomass moisture absorbing and releasing finishing agent according to claim 1 or 3, characterized in that: the natural fiber particles have a particle size range of 5-18 μm and an average particle size of 10 μm.
10. The biomass moisture absorbing and releasing finishing agent according to claim 1 or 3, characterized in that: the particle size range of the biomass starch particles is 10-35 mu m, and the average particle size is 20 mu m.
CN201910834366.1A 2019-09-03 2019-09-03 Biomass moisture-absorbing and sweat-releasing finishing agent and preparation method thereof Withdrawn CN110616566A (en)

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Application publication date: 20191227