CN115489173A - 3D printing aerogel down fabric and preparation method thereof - Google Patents
3D printing aerogel down fabric and preparation method thereof Download PDFInfo
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- CN115489173A CN115489173A CN202211172009.1A CN202211172009A CN115489173A CN 115489173 A CN115489173 A CN 115489173A CN 202211172009 A CN202211172009 A CN 202211172009A CN 115489173 A CN115489173 A CN 115489173A
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- 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
- B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- 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
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- 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
- B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
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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
- 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
- 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
- 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
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0246—Acrylic resin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a 3D printing aerogel down fabric which comprises an inner fabric, an aerogel fiber layer and a surface fabric which are sequentially stacked from inside to outside; the aerogel fiber layer comprises, by weight, 40-60 parts of modified porous fiber spinning solution, 10-15 parts of aerogel liquid and 5-10 parts of adhesive. According to the invention, on one hand, the distribution rate of aerogel powder and bacteriostatic powder in aerogel liquid in the fabric is improved, on the other hand, the aerogel powder and the bacteriostatic powder can enter pores of the fabric, and when the fabric is cleaned, the water-absorbing expansion material can absorb water to expand and close the pores in the fabric, so that the aerogel powder and the bacteriostatic powder in the pores can be fixed when the liquid is expanded without entering, and further the aerogel powder and the bacteriostatic powder are not easy to fall off when being cleaned.
Description
Technical Field
The invention relates to the field of down jacket fabrics, in particular to a 3D printing aerogel down fabric and a preparation method thereof.
Background
Aerogel is a solid form, the least dense solid in the world. The density was 3 kg per cubic meter. Because of the extremely low density, the current lightest aerogels are only 0.16 milligrams per cubic centimeter, slightly less dense than air. As the aerogel generally contains more than 80 percent of air, the aerogel has very good heat insulation effect, and the aerogel also has very good heat insulation effect.
In conclusion, the aerogel is a light-weight material with a strong heat preservation effect. This means that it would be very suitable if it were applied in the field of textile fabrics.
At present, the only application case of the aerogel is to use a physical hammering and needling method, and to hammer the aerogel into the fabric by using an iron felt to form structural fixation. However, this process is most problematic and dangerous.
The danger is divided into two aspects, firstly, during the production process, as mentioned above, the aerogel is very light, and during hammering, a large amount of aerogel is in a floating state, and ash raising is generated, which means that the tiny particles are likely to pollute the environment and cause great health problems for workers. Secondly, in the use process, because the aerogel is beaten into the surface fabric by physics nature, this kind of unstable embedding structure easily leads to the surface fabric to appear the powder fall condition through wasing many times, and then makes the thermal insulation performance of surface fabric lose efficacy gradually. Therefore, a 3D printing aerogel down fabric and a preparation method thereof are provided.
Disclosure of Invention
The invention aims to provide a 3D printing aerogel down fabric and a preparation method thereof, and aims to solve the technical problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises, by weight, 40-60 parts of modified porous fiber spinning solution, 10-15 parts of aerogel liquid and 5-10 parts of adhesive.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 55-60% of porous fiber spinning solution and 40-45% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 1-2 h.
The further improvement is that the aerogel liquid comprises the following components in percentage by mass: 55-65% of aerogel powder, 10-15% of silane coupling agent, 10-20% of antibacterial powder and 10-15% of sodium alginate; the preparation method comprises the following steps: mixing aerogel powder, silane coupling agent, antibacterial powder and sodium alginate, and stirring for 1-2 h.
The further improvement is that the water-absorbing expansion material comprises the following components in percentage by mass: 35-40% of polyethylene, 25-30% of polyethylene glycol, 10-15% of polyacrylic acid, 5-10% of lubricant, 10-15% of porous inorganic substance and 10-15% of anti-aging agent; wherein the porous inorganic substance can be diatomite, zeolite powder, bentonite or expanded perlite.
The further improvement is that the antibacterial powder comprises the following components in percentage by mass: 60-70% of superfine aloe powder and 30-40% of sophora alopecuroide alkaloid particles; wherein the superfine aloe powder is prepared from frozen aloe by micronizing, and the herba Sophorae Alopecuroidis alkaloid fine particles are prepared from herba Sophorae Alopecuroidis extract by spray drying.
The further improvement is that the adhesive is a polyurethane resin adhesive or a polyacrylamide adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into fabric;
s2: mixing aerogel powder, silane coupling agent, superfine aloe powder, sophora alopecuroide alkaloid particles and sodium alginate, and stirring to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 3-5 hours, washing with clear water after soaking, and drying the fabric after washing;
s4: putting the adhesive into a 3D printer, and then uniformly spraying the adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and (5) respectively bonding the lining cloth and the face to the two sides of the aerogel fiber layer obtained in the step (S4) to obtain the aerogel down fabric.
The further improvement is that in the step S3, after the fabric is dried, the fabric is placed in a kneading and grinding machine for kneading and grinding, and the operations of soaking, washing, drying and kneading and grinding are repeated for three times.
The further improvement is that when the fabric is kneaded and ground for the first time in the kneading and grinding machine, the kneading and grinding speed is 90-110r/min, and the kneading and grinding time is 10-12min; during the second kneading, the kneading rotation speed is 50-70r/min, and the kneading time is 7-9min; during the third kneading and grinding, the kneading and grinding speed is 30-60r/min, and the kneading and grinding time is 4-6min.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the modified porous fiber spinning solution is obtained by mixing the porous fiber spinning solution and the water-absorbing expansion material, then the modified porous fiber spinning solution is processed to prepare the fabric, and then the fabric is soaked in the aerogel liquid, so that the distribution rate of aerogel powder and antibacterial powder in the aerogel liquid in the fabric is improved, the aerogel powder and the antibacterial powder can enter pores of the fabric, meanwhile, when the fabric is cleaned, the water-absorbing expansion material can absorb water to expand to close the pores in the fabric, so that the liquid can not enter and can fix the aerogel powder and the antibacterial powder in the pores when expanding, and further the aerogel powder and the antibacterial powder are not easy to fall off when being cleaned.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises 40 parts of modified porous fiber spinning solution, 10 parts of aerogel liquid and 5 parts of adhesive in parts by weight.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 55% of porous fiber spinning solution and 45% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 1 h.
The aerogel liquid comprises the following components in percentage by mass: 60% of aerogel powder, 13% of silane coupling agent, 17% of antibacterial powder and 10% of sodium alginate; the preparation method comprises the following steps: mixing and stirring aerogel powder, a silane coupling agent, antibacterial powder and sodium alginate for 1h to obtain the antibacterial silica gel.
The water-absorbing expansion material comprises the following components in percentage by mass: 35% of polyethylene, 25% of polyethylene glycol, 10% of polyacrylic acid, 10% of lubricant, 10% of porous inorganic substance and 10% of anti-aging agent.
The antibacterial powder comprises the following components in percentage by mass: 60% of superfine aloe powder and 40% of sophora alopecuroides alkaloid particles.
The adhesive is a polyurethane resin adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material for 1 hour to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into a fabric;
s2: mixing aerogel powder, silane coupling agent, superfine aloe powder, sophora alopecuroide alkaloid particles and sodium alginate, and stirring for 1h to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 3 hours, washing with clear water after soaking, and drying the fabric after washing; after the fabric is dried, placing the fabric into a kneading and grinding machine for kneading and grinding, and repeating the operations of soaking, washing, drying and kneading and grinding for three times, wherein when the fabric is kneaded and ground for the first time in the kneading and grinding machine, the kneading and grinding rotating speed is 90r/min, and the kneading and grinding time is 10min; when kneading and grinding for the second time, the kneading and grinding rotating speed is 50r/min, and the kneading and grinding time is 7min; when kneading and grinding are carried out for the third time, the kneading and grinding rotating speed is 30r/min, and the kneading and grinding time is 4min;
s4: putting the polyurethane resin adhesive into a 3D printer, and then uniformly spraying the polyurethane resin adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and (5) respectively bonding the lining cloth and the face to the two sides of the aerogel fiber layer obtained in the step (S4) to obtain the aerogel down fabric.
Example 2
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises 50 parts of modified porous fiber spinning solution, 13 parts of aerogel liquid and 7 parts of adhesive in parts by weight.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 57% of porous fiber spinning solution and 43% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 2 h.
The aerogel liquid comprises the following components in percentage by mass: 60% of aerogel powder, 12% of silane coupling agent, 15% of antibacterial powder and 13% of sodium alginate; the preparation method comprises the following steps: mixing and stirring aerogel powder, a silane coupling agent, antibacterial powder and sodium alginate for 2 hours to obtain the antibacterial silica gel.
The water-absorbing expansion material comprises the following components in percentage by mass: 38% of polyethylene, 27% of polyethylene glycol, 13% of polyacrylic acid, 8% of lubricant, 12% of porous inorganic substance and 13% of anti-aging agent.
The antibacterial powder comprises the following components in percentage by mass: 65% of superfine aloe powder and 35% of sophora alopecuroides alkaloid particles.
The adhesive is a polyurethane resin adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material for 2 hours to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into fabric;
s2: mixing and stirring aerogel powder, a silane coupling agent, antibacterial powder and sodium alginate for 2 hours to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 4 hours, washing with clear water after soaking, and drying the fabric after washing; after the fabric is dried, placing the fabric into a kneading and grinding machine for kneading and grinding, and repeating the operations of soaking, washing, drying and kneading and grinding for three times; when the fabric is kneaded and ground for the first time in a kneading and grinding machine, the kneading and grinding speed is 100r/min, and the kneading and grinding time is 11min; when kneading and grinding are carried out for the second time, the kneading and grinding rotating speed is 60r/min, and the kneading and grinding time is 8min; during the third kneading and grinding, the kneading and grinding speed is 40r/min, and the kneading and grinding time is 5min;
s4: the polyurethane resin adhesive is filled into a 3D printer and then uniformly sprayed on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and respectively bonding the lining cloth and the face part to the two sides of the aerogel fiber layer obtained in the step S4 to obtain the aerogel down fabric.
Example 3
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises, by weight, 60 parts of modified porous fiber spinning solution, 15 parts of aerogel liquid and 10 parts of adhesive.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 60% of porous fiber spinning solution and 45% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 2 h.
The aerogel liquid comprises the following components in percentage by mass: 65% of aerogel powder, 15% of silane coupling agent, 20% of antibacterial powder and 15% of sodium alginate; the preparation method comprises the following steps: mixing and stirring the aerogel powder, the silane coupling agent, the antibacterial powder and the sodium alginate for 2 hours to obtain the antibacterial silica gel.
The water-absorbing expansion material comprises the following components in percentage by mass: 40% of polyethylene, 30% of polyethylene glycol, 15% of polyacrylic acid, 10% of lubricant, 15% of porous inorganic substance and 15% of anti-aging agent.
The antibacterial powder comprises the following components in percentage by mass: 70% of superfine aloe powder and 40% of sophora alopecuroides alkaloid particles.
The adhesive is a polyurethane resin adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material for 2 hours to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into fabric;
s2: mixing aerogel powder, silane coupling agent, superfine aloe powder, sophora alopecuroide alkaloid particles and sodium alginate, and stirring for 2h to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 5 hours, washing with clear water after soaking, and drying the fabric after washing; after the fabric is dried, placing the fabric into a kneading and grinding machine for kneading and grinding, and repeating the operations of soaking, washing, drying and kneading and grinding for three times; when the fabric is kneaded and ground for the first time in a kneading and grinding machine, the kneading and grinding speed is 110r/min, and the kneading and grinding time is 12min; when kneading and grinding for the second time, the kneading and grinding rotating speed is 70r/min, and the kneading and grinding time is 9min; during the third kneading and grinding, the kneading and grinding speed is 60r/min, and the kneading and grinding time is 6min;
s4: putting the adhesive into a 3D printer, and then uniformly spraying the adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and respectively bonding the lining cloth and the face part to the two sides of the aerogel fiber layer obtained in the step S4 to obtain the aerogel down fabric.
Comparative example 1
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises, by weight, 40 parts of porous fiber spinning solution, 10 parts of aerogel liquid and 5 parts of adhesive.
The aerogel liquid comprises the following components in percentage by mass: 60% of aerogel powder, 13% of silane coupling agent, 17% of antibacterial powder and 10% of sodium alginate; the preparation method comprises the following steps: mixing aerogel powder, a silane coupling agent, antibacterial powder and sodium alginate, and stirring for 1 h.
The antibacterial powder comprises the following components in percentage by mass: 60% of superfine aloe powder and 40% of sophora alopecuroides alkaloid particles.
The adhesive is a polyurethane resin adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: melting the porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into fabric;
s2: mixing aerogel powder, silane coupling agent, superfine aloe powder, sophora alopecuroide alkaloid particles and sodium alginate, and stirring for 1h to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 3 hours, washing with clear water after soaking, and drying the fabric after washing; after the fabric is dried, placing the fabric into a kneading and grinding machine for kneading and grinding, and repeating the operations of soaking, washing, drying and kneading and grinding for three times, wherein when the fabric is kneaded and ground for the first time in the kneading and grinding machine, the kneading and grinding rotating speed is 90r/min, and the kneading and grinding time is 10min; during the second kneading and grinding, the kneading and grinding speed is 50r/min, and the kneading and grinding time is 7min; during the third kneading and grinding, the kneading and grinding speed is 30r/min, and the kneading and grinding time is 4min;
s4: putting the polyurethane resin adhesive into a 3D printer, and then uniformly spraying the polyurethane resin adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and respectively bonding the lining cloth and the face part to the two sides of the aerogel fiber layer obtained in the step S4 to obtain the aerogel down fabric.
Comparative example 2
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises 40 parts of modified porous fiber spinning solution, 10 parts of aerogel liquid and 5 parts of adhesive in parts by weight.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 55% of porous fiber spinning solution and 45% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 1 h.
The aerogel liquid comprises the following components in percentage by mass: 60% of aerogel powder, 13% of silane coupling agent and the balance of deionized water (solvent); the preparation method comprises the following steps: mixing and stirring aerogel powder, a silane coupling agent and deionized water (solvent) for 1h to obtain the composite material.
The water-absorbing expansion material comprises the following components in percentage by mass: 35% of polyethylene, 25% of polyethylene glycol, 10% of polyacrylic acid, 10% of lubricant, 10% of porous inorganic substance and 10% of anti-aging agent.
The adhesive is a polyurethane resin adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material for 1 hour to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into fabric;
s2: mixing and stirring aerogel powder, a silane coupling agent and deionized water (solvent) for 1h to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 3 hours, washing with clear water after soaking, and drying the fabric after washing; after the fabric is dried, placing the fabric into a kneading and grinding machine for kneading and grinding, and repeating the operations of soaking, washing, drying and kneading and grinding for three times, wherein when the fabric is kneaded and ground for the first time in the kneading and grinding machine, the kneading and grinding rotating speed is 90r/min, and the kneading and grinding time is 10min; during the second kneading and grinding, the kneading and grinding speed is 50r/min, and the kneading and grinding time is 7min; when kneading and grinding are carried out for the third time, the kneading and grinding rotating speed is 30r/min, and the kneading and grinding time is 4min;
s4: putting the polyurethane resin adhesive into a 3D printer, and then uniformly spraying the polyurethane resin adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and respectively bonding the lining cloth and the face part to the two sides of the aerogel fiber layer obtained in the step S4 to obtain the aerogel down fabric.
Comparative example 3
A3D printing aerogel down fabric comprises inner cloth, an aerogel fiber layer and surface cloth which are sequentially stacked from inside to outside;
the aerogel fiber layer comprises 40 parts of modified porous fiber spinning solution, 10 parts of aerogel liquid and 5 parts of adhesive in parts by weight.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 55% of porous fiber spinning solution and 45% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 1 h.
The aerogel liquid comprises the following components in percentage by mass: 60% of aerogel powder, 13% of silane coupling agent, 17% of antibacterial powder and 10% of sodium alginate; the preparation method comprises the following steps: mixing aerogel powder, a silane coupling agent, antibacterial powder and sodium alginate, and stirring for 1 h.
The water expansion material comprises the following components in percentage by mass: 35% of polyethylene, 25% of polyethylene glycol, 10% of polyacrylic acid, 10% of lubricant, 10% of porous inorganic substance and 10% of anti-aging agent.
The antibacterial powder comprises the following components in percentage by mass: 60% of superfine aloe powder and 40% of sophora alopecuroides alkaloid particles.
The adhesive is a polyurethane resin adhesive.
A preparation method of a 3D printing aerogel down fabric comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material for 1 hour to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into a fabric;
s2: mixing aerogel powder, silane coupling agent, superfine aloe powder, sophora alopecuroides alkaloid particles and sodium alginate, and stirring for 1h to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 3 hours, washing with clear water after soaking, and drying the fabric after washing;
s4: putting the polyurethane resin adhesive into a 3D printer, and then uniformly spraying the polyurethane resin adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and (5) respectively bonding the lining cloth and the face to the two sides of the aerogel fiber layer obtained in the step (S4) to obtain the aerogel down fabric.
And (4) performance testing:
samples of the down jacket fabric were prepared according to the methods of examples 1 to 3 and comparative examples 1 to 3, respectively, to obtain an area of 400cm 2 The six groups of samples are respectively subjected to performance tests, and the performance tests comprise: (1) referring to international standard ASTM D1518-2014 in thermal resistance test method (hot plate method) for cotton fiber system, (applicable to cotton fiber and multiple layers of cotton fiber/fabric aggregate which have thermal conductivity and range between 0.1W/m 2.K and 1.5W/m 2.K, and sample thickness not more than 50 mm), testing the warmth retention property of the sample before cleaning and the warmth retention property after cleaning; (2) the samples were tested for their antibacterial properties using the AATCC-90 test method (halo test method): test bacteria (Staphylococcus aureus, escherichia coli, and Candida albicans) were inoculated onto agar medium, and the sample was adhered closely, cultured at 37 deg.C for 24 hr, and then observed with a magnifier for the growth of bacteria and halo size in the aseptic zone around the sample. The results of the performance testing are given in the following table:
as can be seen from the data in the table above, the down jacket fabric prepared in the embodiments 1 to 3 of the invention has excellent heat preservation and antibacterial properties; the preparation method comprises the steps of mixing a porous fiber spinning solution and a water-absorbing expansion material to obtain a modified porous fiber spinning solution, processing the modified porous fiber spinning solution to prepare a fabric, and then soaking the fabric in the aerogel liquid, so that on one hand, the distribution rate of aerogel powder and antibacterial powder in the aerogel liquid in the fabric is improved, on the other hand, the aerogel powder and the antibacterial powder can enter pores of the fabric, and as can be seen from the data on the upper surface, the modified porous fiber spinning solution is not adopted in comparative example 1, so that the heat preservation and antibacterial performance of the sample in comparative example 1 are gradually ineffective along with cleaning, and the sample in examples 1-3 can still keep higher heat preservation and antibacterial performance after being cleaned for many times, because the water-absorbing expansion material in the sample can absorb water to expand to close the pores in the fabric, so that the aerogel powder and the antibacterial powder in the pores can be fixed during expansion when the liquid cannot enter, and the aerogel powder and the antibacterial powder are not easy to fall off during cleaning, thereby ensuring that the fabric can stably provide the heat preservation and the antibacterial performance; as can be seen from the above table, the antibacterial rate effect of the comparative example 2 is poor, which indicates that the antibacterial powder and the sodium alginate in the invention play a key role in the antibacterial property of the fabric; meanwhile, as can be seen from the test result of the comparative example 3, the sample of the comparative example 3 is not subjected to repeated three-time soaking, washing, drying and kneading operation, and after the sample is washed for multiple times, the heat preservation and antibacterial performance of the sample of the comparative example 3 are gradually reduced, which shows that the repeated three-time soaking, washing, drying and kneading operation improves the bonding strength of the aerogel powder and the antibacterial powder with the fabric, so that when the fabric is washed for multiple times, the shedding of the aerogel liquid and the antibacterial powder can be effectively reduced, and the stable heat preservation and antibacterial performance of the fabric can be maintained.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a 3D prints aerogel eiderdown surface fabric which characterized in that: comprises an inner cloth, an aerogel fiber layer and a surface cloth which are sequentially laminated from inside to outside;
the aerogel fiber layer comprises, by weight, 40-60 parts of modified porous fiber spinning solution, 10-15 parts of aerogel liquid and 5-10 parts of adhesive.
The modified porous fiber spinning solution comprises the following components in percentage by mass: 55-60% of porous fiber spinning solution and 40-45% of water-absorbing expansion material; the preparation method comprises the following steps: mixing the porous fiber spinning solution and the water-absorbing expansion material, and stirring for 1-2 h.
2. The 3D printing aerogel down fabric according to claim 1, wherein: the aerogel liquid comprises the following components in percentage by mass: 55-65% of aerogel powder, 10-15% of silane coupling agent, 10-20% of antibacterial powder and 10-15% of sodium alginate; the preparation method comprises the following steps: mixing and stirring aerogel powder, a silane coupling agent, antibacterial powder and sodium alginate for 1-2h to obtain the antibacterial silica gel.
3. The 3D printing aerogel down fabric according to claim 1, wherein: the water-absorbing expansion material comprises the following components in percentage by mass: 35-40% of polyethylene, 25-30% of polyethylene glycol, 10-15% of polyacrylic acid, 5-10% of lubricant, 10-15% of porous inorganic substance and 10-15% of anti-aging agent.
4. The 3D printing aerogel down fabric according to claim 2, wherein: the antibacterial powder comprises the following components in percentage by mass: 60-70% of superfine aloe powder and 30-40% of sophora alopecuroides alkaloid particles.
5. The 3D printing aerogel down fabric according to claim 1, wherein: the adhesive is a polyurethane resin adhesive or a polyacrylamide adhesive.
6. A preparation method of the 3D printing aerogel down fabric as claimed in any one of claims 1 to 5, wherein the method comprises the following steps: the method comprises the following steps:
s1: mixing and stirring the porous fiber spinning solution and the water-absorbing expansion material to reach a uniform state to obtain a modified porous fiber spinning solution; melting the modified porous fiber spinning solution; then the fiber is sprayed out through a spinneret orifice, and then the porous fiber is obtained through fiber forming, primary fiber drafting orientation, fiber heat setting and winding; weaving the porous fiber as yarn into fabric;
s2: mixing aerogel powder, silane coupling agent, superfine aloe powder, sophora alopecuroides alkaloid particles and sodium alginate, and stirring to obtain aerogel liquid;
s3: soaking the fabric obtained in the step S1 in the aerogel liquid obtained in the step S2 for 3-5 hours, washing with clear water after soaking, and drying the fabric after washing;
s4: putting the adhesive into a 3D printer, and then uniformly spraying the adhesive on the surface of the fabric through a 3D printing nozzle at high pressure to obtain an aerogel fiber layer;
s5: and respectively bonding the lining cloth and the face part to the two sides of the aerogel fiber layer obtained in the step S4 to obtain the aerogel down fabric.
7. The preparation method of the 3D printing aerogel down fabric according to claim 6, wherein the preparation method comprises the following steps: and in the step S3, after the fabric is dried, placing the fabric into a kneading and grinding machine for kneading and grinding, and repeating the operations of soaking, washing, drying and kneading and grinding for three times.
8. The preparation method of the 3D printing aerogel down fabric according to claim 7, characterized by comprising the following steps: when the fabric is kneaded and ground for the first time in the kneading and grinding machine, the kneading and grinding speed is 90-110r/min, and the kneading and grinding time is 10-12min; during the second kneading, the kneading rotation speed is 50-70r/min, and the kneading time is 7-9min; during the third kneading and grinding, the kneading and grinding speed is 30-60r/min, and the kneading and grinding time is 4-6min.
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