CN118181899A - Bio-based environment-friendly functional fabric and preparation method thereof - Google Patents
Bio-based environment-friendly functional fabric and preparation method thereof Download PDFInfo
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- CN118181899A CN118181899A CN202410496884.8A CN202410496884A CN118181899A CN 118181899 A CN118181899 A CN 118181899A CN 202410496884 A CN202410496884 A CN 202410496884A CN 118181899 A CN118181899 A CN 118181899A
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- 239000004744 fabric Substances 0.000 title claims abstract description 173
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 238000004519 manufacturing process Methods 0.000 title description 3
- 229920006118 nylon 56 Polymers 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims description 34
- 239000000843 powder Substances 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- 229920002635 polyurethane Polymers 0.000 claims description 24
- 239000004814 polyurethane Substances 0.000 claims description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 15
- 229910021389 graphene Inorganic materials 0.000 claims description 15
- 239000002105 nanoparticle Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims description 11
- 229920001223 polyethylene glycol Polymers 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 8
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 8
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 8
- 239000001099 ammonium carbonate Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 7
- 235000011613 Pinus brutia Nutrition 0.000 claims description 7
- 241000018646 Pinus brutia Species 0.000 claims description 7
- 235000018185 Betula X alpestris Nutrition 0.000 claims description 6
- 235000018212 Betula X uliginosa Nutrition 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 description 31
- 230000000052 comparative effect Effects 0.000 description 19
- 238000012360 testing method Methods 0.000 description 18
- 239000000835 fiber Substances 0.000 description 9
- 238000009941 weaving Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 5
- 230000002706 hydrostatic effect Effects 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
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- 238000010998 test method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920006021 bio-based polyamide Polymers 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
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- 238000002791 soaking Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/026—Knitted fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a bio-based environment-friendly functional fabric and a preparation method thereof, and relates to the technical field of clothing fabrics, wherein the structure of the fabric comprises a fabric, a base fabric and a bio-based functional film compounded between the base fabric and the fabric; wherein the surface cloth and the base cloth are both bio-based nylon knitted cloth; the fabric provided by the invention is made of biological base materials, is environment-friendly, can realize recycling of resources, and has excellent waterproof, air-permeable and moisture-permeable performances and far infrared heating performances, so that the fabric has a good application prospect in the field of outdoor clothing.
Description
Technical Field
The invention belongs to the technical field of clothing fabrics, and particularly relates to a bio-based environment-friendly functional fabric and a preparation method thereof.
Background
The functional fabric refers to a fabric with certain special performance and application, such as waterproof, breathable, moisture permeable, thermal insulation and other functions. The functional fabric in the market mainly comprises clothing fabric and is mainly used in outdoor sportswear and high-grade casual wear.
The nylon fabric has the advantages that the excellent wear resistance, tear resistance and water resistance are more applied to the functional fabric, the bio-based nylon material is prepared from the bio-based polyamide, the raw material source is renewable, the production process is environment-friendly, and the like, the ecological environment requirements of the current generation are met, and in addition, compared with the traditional nylon fiber, the hand softness, the hygroscopicity, the flame retardance and the dyeing property of the bio-based nylon fabric are obviously improved. In summary, the waterproof, breathable and moisture-permeable performances of the bio-based nylon fabric are further researched and improved, and the comfort level of wearing is improved, so that the bio-based environment-friendly functional fabric has positive significance in expanding the application of the bio-based nylon fabric.
Disclosure of Invention
The invention aims to solve the problems and provide a bio-based environment-friendly functional fabric and a preparation method thereof.
The invention realizes the above purpose through the following technical scheme:
As a first aspect of the present invention, the present invention provides a bio-based environment-friendly functional fabric, the fabric having a structure including a surface fabric, a base fabric, and a bio-based functional film composited between the base fabric and the surface fabric; wherein the surface cloth and the base cloth are both bio-based nylon knitted cloth;
the raw materials of the bio-based functional film comprise, by mass, 20-30% of bio-based polyurethane, 10-15% of ultramicro wood pulp powder, 5-10% of graphene nano particles, 2-4% of pore-forming agent and the balance of solvent.
As a further optimization scheme of the invention, the surface fabric is 20D-30D bio-based nylon 66 knitted fabric, and the base fabric is 20-30D bio-based nylon 56 knitted fabric or 20-30D bio-based nylon 510 knitted fabric.
As a further preferred embodiment of the present invention, the solvent is N, N-dimethylformamide or N-methylpyrrolidone.
As a further optimization scheme of the invention, the pore-foaming agent is one of ammonium bicarbonate, zinc oxide or polyethylene glycol.
As a further optimization scheme of the invention, the superfine wood pulp powder is prepared by superfine grinding wood pulp to the particle size of 5-10 mu m.
As a further optimization scheme of the invention, the raw material of the superfine wood pulp powder is selected from one of birch pulp, yang Mujiang or pine pulp.
As a second aspect of the present invention, the present invention further provides a method for preparing the bio-based environment-friendly fabric according to any one of the above, which specifically includes the following steps:
(1) Adding bio-based polyurethane into a solvent, stirring and dissolving completely under a heating condition to obtain a bio-based polyurethane solution, adding ultramicro wood pulp powder into the bio-based polyurethane solution, dispersing by ultrasonic waves to obtain a suspension, simultaneously adding graphene nano particles and a pore-forming agent into the suspension, stirring uniformly, carrying out vacuum defoaming treatment to obtain a casting solution, scraping a dry and clean glass plate, coating the casting solution with uniform thickness, immersing the glass plate into an absolute ethyl alcohol solution to enable the casting solution to be solidified into a film in a split phase mode, then immersing the film in deionized water, and finally drying to obtain the bio-based functional film;
(2) And (3) gluing the surface fabric and the base fabric by using the bio-based hot melt adhesive, then rolling and attaching the surface fabric and the base fabric on two sides of the bio-based functional film by using a four-roll calender, and then shaping to obtain the bio-based environment-friendly functional fabric.
As a further optimization scheme of the invention, in the step (2), the rolling temperature of the four-roller calender is controlled to be 150-190 ℃, and the rotating speed of the four rollers is 1-12m/min,2-11m/min,5-8m/min and 7-10m/min.
The invention has the beneficial effects that:
(1) The bio-based functional film disclosed by the invention takes bio-based polyurethane, the ultramicro wood pulp powder, the graphene nano particles, the pore-forming agent and the solvent as main raw materials, the porosity of the functional film is adjusted by adding the pore-forming agent, so that the air permeability of the fabric is improved, and in addition, the addition of the ultramicro wood pulp powder has positive significance for improving the moisture permeability of the fabric.
(2) The fabric provided by the invention is made of biological base materials, is environment-friendly, can realize recycling of resources, is waterproof, good in air and moisture permeability, excellent in antibacterial and far infrared heating performances, and has a good application prospect in the field of outdoor clothing.
Detailed Description
The following detailed description of the application is provided to illustrate the application and should not be construed as limiting the scope of the application since it is intended that the following detailed description is given for the purpose of illustration only, and that certain non-essential modifications and adaptations of the application may occur to those skilled in the art in light of the foregoing disclosure.
The biobased nylon 66 fibers, biobased nylon 56 fibers, and biobased nylon 510 fibers referred to in the examples below were all obtained by commercial routes.
Example 1
The embodiment provides a bio-based environment-friendly functional fabric, the structure of which comprises a base fabric, a surface fabric and a bio-based functional film compounded between the base fabric and the surface fabric;
The surface fabric is knitted fabric which is woven by taking 20D bio-based nylon 66 fibers as warp yarns and weft yarns, the base fabric is knitted fabric which is woven by taking 20D bio-based nylon 56 fibers as warp yarns and weft yarns, the weaving tissues of the surface fabric and the base fabric are plain weave, the weaving densities of the warp yarns are 85 pieces/cm, and the weaving densities of the weft yarns are 65 pieces/cm.
The raw materials of the bio-based functional film comprise, by mass, 20% of bio-based polyurethane, 15% of ultrafine wood pulp powder, 5% of graphene nanoparticles, 2% of pore-forming agent and the balance of N, N-dimethylformamide, wherein the ultrafine wood pulp powder is obtained by ultrafine grinding birch pulp to a particle size of 10 mu m, and the pore-forming agent is ammonium bicarbonate.
The preparation method of the bio-based environment-friendly functional fabric comprises the following steps:
(1) Adding bio-based polyurethane into a solvent according to the formula amount, stirring and dissolving completely at 50 ℃ to obtain a bio-based polyurethane solution, adding ultramicro wood pulp powder into the bio-based polyurethane solution, dispersing by ultrasonic wave to obtain a suspension, simultaneously adding graphene nano particles and a pore-forming agent into the suspension, stirring for 1h, carrying out vacuum defoaming treatment for 30min to obtain a casting solution, scraping and coating the casting solution with uniform thickness on a dry and clean glass plate, immersing the glass plate into an absolute ethanol solution with the temperature of 25 ℃ to enable the casting solution to be subjected to phase-splitting solidification and film formation, and in the embodiment, putting the film into deionized water with the temperature of 50 ℃ to be immersed for 24h, and finally drying in a blast oven with the temperature of 40 ℃ to obtain the bio-based functional film;
(2) And (3) gluing the surface fabric and the base fabric by using a bio-based hot melt adhesive, then rolling and attaching the surface fabric and the base fabric on two sides of a bio-based functional film by using a four-roller calender, and performing shaping treatment to obtain the bio-based environment-friendly functional fabric, wherein the rolling temperature of the four-roller calender is controlled at 150 ℃, and the rotating speed of the four rollers is 6m/min,6m/min,8m/min and 8m/min.
Example 2
The embodiment provides a bio-based environment-friendly functional fabric, the structure of which comprises a base fabric, a surface fabric and a bio-based functional film compounded between the base fabric and the surface fabric;
The surface fabric is knitted fabric which is woven by taking 30D bio-based nylon 66 fibers as warp yarns and weft yarns, the base fabric is knitted fabric which is woven by taking 30D bio-based nylon 510 fibers as warp yarns and weft yarns, the weaving tissues of the surface fabric and the base fabric are plain weave, the weaving density of the warp yarns is 100 pieces/cm, and the weaving density of the weft yarns is 80 pieces/cm.
The raw materials of the bio-based functional film comprise, by mass, 30% of bio-based polyurethane, 10% of ultramicro wood pulp powder, 10% of graphene nano particles, 4% of pore-forming agent and the balance of N-methylpyrrolidone, wherein the ultramicro wood pulp powder is obtained by superfine grinding Yang Mujiang to a particle size of 10 mu m, and the pore-forming agent is zinc oxide.
The preparation method of the bio-based environment-friendly functional fabric comprises the following steps:
(1) Adding bio-based polyurethane into a solvent according to the formula amount, stirring and dissolving completely at 50 ℃ to obtain a bio-based polyurethane solution, adding ultramicro wood pulp powder into the bio-based polyurethane solution, dispersing by ultrasonic wave to obtain a suspension, simultaneously adding graphene nano particles and a pore-forming agent into the suspension, stirring for 1h, carrying out vacuum defoaming treatment for 30min to obtain a casting solution, scraping and coating the casting solution with uniform thickness on a dry and clean glass plate, immersing the glass plate into an absolute ethanol solution with the temperature of 25 ℃ to enable the casting solution to be subjected to phase-splitting solidification and film formation, and in the embodiment, putting the film into deionized water with the temperature of 50 ℃ to be immersed for 24h, and finally drying in a blast oven with the temperature of 40 ℃ to obtain the bio-based functional film;
(3) And (3) sizing the surface fabric and the base fabric by using a bio-based hot melt adhesive, then rolling and attaching the surface fabric and the base fabric on two sides of a bio-based functional film by using a four-roller calender, and performing shaping treatment to obtain the bio-based environment-friendly functional fabric, wherein the rolling temperature of the four-roller calender is controlled at 190 ℃, and the rotating speed of the four rollers is 10m/min,10m/min,8m/min and 8m/min.
Example 3
The embodiment provides a bio-based environment-friendly functional fabric, the structure of which comprises a base fabric, a surface fabric and a bio-based functional film compounded between the base fabric and the surface fabric;
The surface fabric is knitted fabric which is woven by taking 20D bio-based nylon 66 fibers as warp yarns and weft yarns, the base fabric is knitted fabric which is woven by taking 30D bio-based nylon 56 fibers as warp yarns and weft yarns, the weaving tissues of the surface fabric and the base fabric are plain weave, the weaving densities of the warp yarns are 95 pieces/cm, and the weaving densities of the weft yarns are 75 pieces/cm.
The bio-based functional film comprises, by mass, 30% of bio-based polyurethane, 10% of ultramicro wood pulp powder, 10% of graphene nanoparticles, 3% of pore-forming agent and the balance of N-methyl pyrrolidone, wherein the ultramicro wood pulp powder is obtained by superfine grinding pine wood pulp to a particle size of 10 mu m, and the pore-forming agent is polyethylene glycol.
The preparation method of the bio-based environment-friendly functional fabric comprises the following steps:
(1) Adding bio-based polyurethane into a solvent according to the formula amount, stirring and dissolving completely at 50 ℃ to obtain a bio-based polyurethane solution, adding ultramicro wood pulp powder into the bio-based polyurethane solution, dispersing by ultrasonic wave to obtain a suspension, simultaneously adding graphene nano particles and a pore-forming agent into the suspension, stirring for 1h, carrying out vacuum defoaming treatment for 30min to obtain a casting solution, scraping and coating the casting solution with uniform thickness on a dry and clean glass plate, immersing the glass plate into an absolute ethanol solution with the temperature of 25 ℃ to enable the casting solution to be subjected to phase-splitting solidification and film formation, and in the embodiment, putting the film into deionized water with the temperature of 50 ℃ to be immersed for 24h, and finally drying in a blast oven with the temperature of 40 ℃ to obtain the bio-based functional film;
(3) And (3) gluing the surface fabric and the base fabric by using a bio-based hot melt adhesive, then rolling and attaching the surface fabric and the base fabric on two sides of a bio-based functional film by using a four-roller calender, and performing shaping treatment to obtain the bio-based environment-friendly functional fabric, wherein the rolling temperature of the four-roller calender is controlled at 150 ℃, and the rotating speed of the four rollers is 6m/min,6m/min,8m/min and 8m/min.
Comparative example 1
The comparison example is different from the example 1 in that the raw material composition of the bio-based functional film comprises, by mass, 20% of bio-based polyurethane, 5% of graphene nanoparticles, 2% of a pore-forming agent, and the balance of N, N-dimethylformamide, wherein the pore-forming agent is ammonium bicarbonate, and the preparation method of the bio-based environment-friendly functional fabric is the same as that of the example 1.
Comparative example 2
The difference between the comparative example and the example 1 is that the raw material composition of the bio-based functional film comprises, by mass, 20% of bio-based polyurethane, 15% of ultramicro wood pulp powder, 5% of graphene nano particles and the balance of N, N-dimethylformamide, wherein the ultramicro wood pulp powder is obtained by superfine grinding birch pulp to a particle size of 10 mu m, and the preparation method of the bio-based environment-friendly functional fabric is the same as that of the example 1.
Comparative example 3
The comparison example is different from the example 1 in that the raw material composition of the bio-based functional film comprises 20% of bio-based polyurethane, 5% of graphene nano particles and the balance of N, N-dimethylformamide according to mass percentage, and the preparation method of the bio-based environment-friendly functional fabric is the same as that of the example 1.
Comparative example 4
The difference between the comparative example and the example 1 is that the structure of the bio-based environment-friendly functional fabric does not comprise a bio-based functional film, the preparation method of the bio-based environment-friendly functional fabric comprises the steps of using a bio-based hot melt adhesive to glue the surface fabric and the base fabric, and then rolling and laminating the surface fabric and the base fabric in a four-roll calender, wherein the rolling temperature of the four-roll calender is controlled at 150 ℃, and the rotating speeds of the four rolls are 6m/min,6m/min,8m/min and 8m/min.
The following performance tests were performed on example 1 and comparative examples 1-4:
1. air and moisture permeability detection
Air permeability test: the sample was tested for breathability with a fully automatic breathability meter for YG461G type fabrics, with reference to the national standard (GB/T5433). Wherein, the specific parameters of the experiment are set as follows: the ambient temperature is 25 ℃, the relative humidity is 60%, the pressure difference is 100Pa, the ventilation area is 20cm 2, and the diameter of the air nozzle is 0.8mm. And respectively testing different parts of the fabric sample for 10 times, and taking the average value as final air permeability data.
Moisture permeability test: according to national standard GB/T12704.1-2009 (a), moisture permeability test was performed on samples using FX3180 moisture permeability measurement instrument. In the test, the temperature was 38deg.C, the humidity was 90.0%, the air flow rate was 0.5m/s, and the test area was 28.3cm 2. The test chamber is pre-conditioned prior to testing. After the automatic humidity adjustment is finished, the instrument starts the moisture permeability test, and moisture permeability data are automatically recorded once every 1 hour, and the total time is two. After the experiment is completed, the moisture permeability data of the samples are manually recorded, and the average value of 10 groups of experimental data is taken as final data for each group of samples.
The results are shown in Table 1.
Table 1 air and moisture permeability of the fabrics
As can be seen from table 1, the difference between comparative example 1 and example 1 is that no ultrafine wood pulp powder is added, the air and moisture permeability of the fabric is lower than that of example 1, the difference between comparative example 2 and example 1 is that no pore-forming agent is added, the air and moisture permeability of the fabric is lower than that of example 1, the air and moisture permeability of comparative example 1 and comparative example 2 is better than that of comparative example 1, the air and moisture permeability of comparative example 2 is lower than that of comparative example 1, and it can be seen that the ultrafine wood pulp powder has a positive effect on improving the air and moisture permeability of the fabric, and in addition, the addition of the pore-forming agent can improve the air and moisture permeability of the fabric by improving the porosity of the bio-based functional film.
2. Waterproof performance detection
Hydrostatic pressure resistance test: the fabric is subjected to hydrostatic pressure resistance test according to GB/T4744-2013, and the test method comprises the following steps: the test water on the clamping surface was wiped off, and the sample was clamped so that the front surface of the sample was in contact with the water. The sample was subjected to a continuously increasing water pressure at a water pressure rising rate of 60cm H 2 O/min, and the water penetration phenomenon was observed. In the boosting process, when the third water drop appears on the sample, the boosting is stopped, and the hydrostatic pressure value at the moment is recorded.
Waterproof performance test: samples were rated against a waterproof standard (European standard ISO 4920) under a standard laboratory with distilled water sprayed on the samples via a funnel.
The results are shown in Table 2.
Table 2 waterproof property of the fabrics
As shown in table 2, example 1 has a high hydrostatic pressure resistance value, the fabric has excellent waterproof performance, the hydrostatic pressure resistance and the water splashing prevention level of comparative example 2 are equivalent to those of example 1, but comparative example 1 is inferior to those of example 1 and comparative example 1, and it can be seen that the addition of the superfine wood pulp powder has a certain positive effect on improving the waterproof performance of the fabric.
3. Far infrared performance test
Far infrared performance test: the far infrared performance of the fabric sample is tested according to GB/T30127-2013 detection and evaluation of far infrared performance of textiles, and the far infrared wavelength range is 8-15 mu m. The results are shown in Table 3.
Table 3 far infrared performance of the fabrics
As shown in table 3, because of the presence of the bio-based functional film containing graphene nanoparticles, example 1 has better far-infrared emissivity and far-infrared radiation temperature rise than comparative example 4, and the differences between comparative examples 1-3 and example 1 in far-infrared emissivity and far-infrared radiation temperature rise are not significant, so that the addition of the porogen and the ultramicro wood pulp powder has no improvement effect on the far-infrared performance of the fabric, and has no adverse effect.
Test example 1
Based on the proportion of the bio-based functional film disclosed in example 1, ammonium bicarbonate, zinc oxide and polyethylene glycol are sequentially used as pore-forming agents, and film samples 1-3 are prepared according to the preparation method of the bio-based functional film disclosed in example 1, and in addition, no pore-forming agent is added as a control group. The porosity of the film samples 1 to 3 and the control group was measured by immersing a certain mass of the film sample (dried to constant weight) in absolute ethanol for 24 hours, taking out, gently sucking the ethanol adsorbed on the surface with filter paper, rapidly weighing, and calculating the porosity of the film sample according to the following formula, and the results are shown in Table 4.
Wherein, w 1 and w 2 are the mass of the film sample before and after soaking, g; ρ 1 is the density of the film sample, g/cm 3;ρ2 is the density of absolute ethanol, g/cm 3.
TABLE 4 porosity of biobased functional films
As can be seen from table 1, ammonium bicarbonate as a porogen is better at increasing the porosity of the bio-based functional film than zinc oxide and polyethylene glycol.
Subsequently, the tensile properties of the film samples 1 to 3 and the control group were tested by taking film samples having the same dimensions and thickness and storing the film samples under constant temperature and humidity for 24 hours, using a microcomputer-controlled electronic universal tester to test the mechanical properties of the different film samples when they were stretched to break, 5 film samples were tested per group, the test results were averaged, the stretching rate was 50mm/min, and the test method was referred to GB/T1040-1992, and the results are shown in Table 5.
TABLE 5 tensile Property of biobased functional films
As can be seen from table 2, the tensile property of the bio-based functional film added with the pore-forming agent is lower than that of the bio-based functional film without the pore-forming agent, in addition, the tensile property of the bio-based functional film prepared by taking polyethylene glycol as the pore-forming agent is better than that of the bio-based functional film prepared by taking ammonium bicarbonate as the pore-forming agent, the influence of the polyethylene glycol on the mechanical property of the bio-based functional film is smaller, and the fabric can be ensured to have better mechanical property by compounding the bio-based functional film with the surface fabric and the base fabric.
Test example 2
On the basis of the proportion of the bio-based functional film disclosed in the example 1, the raw material selection of the ultra-micro wood pulp powder is adjusted, specifically,
Film sample a: the difference from example 1 is that the ultrafine wood pulp powder is obtained by ultrafine grinding Yang Mujiang to a particle size of 10 μm.
Film sample B: the difference from example 1 is that the ultrafine wood pulp powder is obtained by ultrafine grinding pine pulp to a particle size of 10. Mu.m.
Film sample C: the difference from film sample B is that pine pulp is used instead of ultrafine wood pulp powder.
The fabrics 1-3 and the fabrics A-C were prepared according to the preparation method of the fabrics disclosed in example 1, and the fabrics 1-3 and the fabrics A-C were subjected to air permeability and moisture permeability tests, and the results are shown in Table 6.
Table 6, air and moisture permeability of the fabric
From table 6, it is known from test example 1 that the effect of using ammonium bicarbonate as the pore-forming agent in improving the porosity of the bio-based functional film is better than that of using zinc oxide and polyethylene glycol, so that the air permeability of the fabric 1 is better than that of the fabrics 2-3 and a-C, while the air permeability of the fabric B is better than that of the fabric 1, the difference between the two is that the raw materials of the ultramicro wood pulp powder are different, the fabric B is pine pulp, the fabric 1 is birch pulp, the effect of the pine pulp in improving the moisture permeability of the fabric is better than that of the birch pulp, in addition, the moisture permeability of the fabric 3 is obviously better than that of other fabrics, the difference between the fabric 3 and other fabrics is that polyethylene glycol is used as the pore-forming agent, the polyethylene glycol and the ultramicro wood pulp powder are presumed to have a synergistic effect in improving the moisture permeability of the fabric, in order to verify the presumption, the pore-forming agent used by adjusting the fabric B to be polyethylene glycol, and the moisture permeability is tested, and the obtained moisture permeability data is 25327 g/(m 2 -24 h), and the moisture permeability has a certain degree of improving the moisture permeability data compared with the fabric B.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (8)
1. The utility model provides a bio-based environmental protection function surface fabric which characterized in that: the structure of the fabric comprises a fabric, a base fabric and a biological base functional film compounded between the base fabric and the fabric; wherein the surface cloth and the base cloth are both bio-based nylon knitted cloth;
the raw materials of the bio-based functional film comprise, by mass, 20-30% of bio-based polyurethane, 10-15% of ultramicro wood pulp powder, 5-10% of graphene nano particles, 2-4% of pore-forming agent and the balance of solvent.
2. The bio-based environment-friendly functional fabric as claimed in claim 1, wherein: the surface fabric is 20D-30D bio-based nylon 66 knitted fabric, and the base fabric is 20-30D bio-based nylon 56 knitted fabric or 20-30D bio-based nylon 510 knitted fabric.
3. The bio-based environment-friendly functional fabric as claimed in claim 1, wherein: the solvent is N, N-dimethylformamide or N-methylpyrrolidone.
4. The bio-based environment-friendly functional fabric as claimed in claim 1, wherein: the pore-forming agent is one of ammonium bicarbonate, zinc oxide or polyethylene glycol.
5. The bio-based environment-friendly functional fabric as claimed in claim 1, wherein: the superfine wood pulp powder is prepared by superfine grinding wood pulp to a particle size of 5-10 mu m.
6. The bio-based environment-friendly functional fabric as claimed in claim 1, wherein: the raw material of the superfine wood pulp powder is selected from one of birch pulp, yang Mujiang or pine pulp.
7. A method for preparing the bio-based environment-friendly functional fabric as claimed in any one of claims 1 to 6, which is characterized in that: the method specifically comprises the following steps:
(1) Adding bio-based polyurethane into a solvent, stirring and dissolving completely under a heating condition to obtain a bio-based polyurethane solution, adding ultramicro wood pulp powder into the bio-based polyurethane solution, dispersing by ultrasonic waves to obtain a suspension, simultaneously adding graphene nano particles and a pore-forming agent into the suspension, stirring uniformly, carrying out vacuum defoaming treatment to obtain a casting solution, scraping a dry and clean glass plate, coating the casting solution with uniform thickness, immersing the glass plate into an absolute ethyl alcohol solution to enable the casting solution to be solidified into a film in a split phase mode, then immersing the film in deionized water, and finally drying to obtain the bio-based functional film;
(2) And (3) gluing the surface fabric and the base fabric by using the bio-based hot melt adhesive, then rolling and attaching the surface fabric and the base fabric on two sides of the bio-based functional film by using a four-roll calender, and then shaping to obtain the bio-based environment-friendly functional fabric.
8. The method for preparing the bio-based environment-friendly functional fabric, as claimed in claim 7, is characterized in that: in the step (2), the rolling temperature of the four-roller calender is controlled at 150-190 ℃, and the rotating speed of the four rollers is 1-12m/min,2-11m/min,5-8m/min and 7-10m/min.
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