CN110965335B - Polyurethane resin immersion liquid and microfiber base fabric for intelligent temperature-adjusting clothes and preparation method - Google Patents
Polyurethane resin immersion liquid and microfiber base fabric for intelligent temperature-adjusting clothes and preparation method Download PDFInfo
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- CN110965335B CN110965335B CN201911372170.1A CN201911372170A CN110965335B CN 110965335 B CN110965335 B CN 110965335B CN 201911372170 A CN201911372170 A CN 201911372170A CN 110965335 B CN110965335 B CN 110965335B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—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
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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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
- D06M11/76—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 oxides or carbonates
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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
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a polyurethane resin immersion liquid and microfiber base cloth for intelligent temperature-regulating clothes and a preparation method thereof. On one hand, the used phase-change material microcapsule material is spherical and completely coated, the phase-change material in the microcapsule material is not easy to leak, and the microcapsule material cannot corrode a microfiber base material, on the other hand, the phase-change material microcapsule material can be completely dispersed and uniformly coated in the base cloth, and no potential harm exists in the production link of the base cloth or the use process of people. Meanwhile, the calcium carbonate is added to play a role in increasing weight and improving drape effect on one hand, and influence the state of polyurethane in a solidification link on the other hand, so that a microporous structure is formed during polyurethane film forming, and the air permeability and moisture permeability are improved. The microfiber base cloth for the intelligent temperature-regulating clothing, prepared by the invention, has the thickness of 0.8-1.0mm, the specific thickness can be determined according to the requirements of customers, the microfiber base cloth can be made into a thick base cloth piece for grinding, single base cloth can be directly produced, and the microfiber base cloth can be applied to the fields of clothing, gloves, shoe materials and the like.
Description
Technical Field
The invention relates to the technical field of microfiber synthetic leather, in particular to a polyurethane resin immersion liquid for intelligent temperature-regulating clothes, microfiber base cloth and a preparation method of the polyurethane resin immersion liquid.
Background
Along with the rapid development of social economy and the improvement of the quality of life and the consumption grade of people, the requirement on the microfiber synthetic leather is higher and higher, and the requirement on the microfiber synthetic leather is 'healthy, comfortable and practical', the novel microfiber synthetic leather meeting the requirements of people becomes a great hotspot of the leather industry, particularly the research and development of the intelligent temperature-regulating microfiber leather, provides a comfortable 'microclimate environment' for a human body, plays a role of 'regulator' between the human body and clothes, clothes and the external environment, and buffers the change of the external environment.
Scientific research shows that when the temperature is in heat balance, the most comfortable skin temperature felt by a human body is 33.4 ℃, the most comfortable feeling, no cold or heat can be realized at the temperature, and the temperature of the leather for clothing is regulated and controlled by using the energy storage and heat regulation phase change material to be fixed in a certain temperature range, so that the human body can feel cool and comfortable, and the requirements of people on different occasions can be met. The existing microfiber leather for clothing only has heat preservation and heat insulation performance, cannot automatically and bidirectionally adjust the temperature of the garment along with the change of the environmental temperature, is mostly suitable for the environment in cold weather, is not suitable for high-temperature weather occasions, can be used in different seasons, and cannot meet the requirements of people on the leather in different seasons and occasions, so that the development of the microfiber base cloth for intelligent temperature-adjusting clothing is very urgent.
Disclosure of Invention
The invention aims to provide a polyurethane resin immersion liquid for intelligent temperature-regulating clothes, a microfiber base fabric and a preparation method thereof, so as to overcome the defects in the prior art and meet the market demand.
The polyurethane resin immersion liquid for the intelligent temperature-regulating clothes is characterized by comprising the following components in parts by weight:
100 parts of wet polyurethane resin
10-50 parts of N, N-dimethylformamide
10-30 parts of composite phase change material microcapsule
3-10 parts of calcium carbonate.
The phase change material of the composite phase change material microcapsule core material is a binary composite phase change material prepared by compounding any two of n-dodecanoic acid, n-tridecanol, n-tetradecanol, n-pentadecanol, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane and n-eicosane according to a certain proportion, so that the limitation of the narrow phase change temperature of a single phase change material on the use occasion can be avoided, and the mass ratio of the two is 20: 80-80: 20; the composite phase change material microcapsule wall material is polymethyl methacrylate.
The composite phase change material microcapsule is synthesized by an in-situ polymerization method, and the diameter of the microcapsule is 1.0-3.0 mu m.
The composite phase change material microcapsule has the melting phase change temperature of 21.38-42.46 ℃, the melting phase change enthalpy of 65.42J/g, the crystallization phase change temperature of 32.48-16.16 ℃ and the crystallization phase change enthalpy of 66.70J/g.
The references are: preparation and characterization of composite phase change material/polymethyl methacrylate microcapsules [ J ] synthetic fiber, 2011.1; 20-23.
The mesh number of the calcium carbonate is 1200-2000 meshes; preferably 1600 mesh.
The wet-process polyurethane resin is polyurethane resin slurry for wet-process leather, which is polymerized by isocyanate and organic polyol. The polyurethane resin can be prepared by a method reported in a document [1] (Leshaoxing, Liu Yijun and the like. polyurethane resin and application thereof [ M ]. Beijing: chemical industry Press, 2008. P445 to 448), and the solid content of the wet-process polyurethane resin is 25-30%, preferably 30%; for example: zhejiang Huafeng synthetic resin Co., Ltd is a product with JF-W-TL 4030; the invention also discloses a microfiber base fabric for intelligent temperature-regulating clothing, which is prepared by using the polyurethane resin immersion liquid.
The invention relates to a preparation method of microfiber base cloth for intelligent temperature-regulating clothing, which comprises the following steps:
(1) dipping the non-woven fabric into a polyurethane resin impregnation liquid, and carrying out impregnation by adopting a padding method, wherein the dipping time is 10-20 min;
(2) soaking the product obtained in the step (1) in a N, N-Dimethylformamide (DMF) water solution for solidification treatment, wherein the weight concentration of DMF is 10-50%, the temperature is 20-60 ℃, the solidification time is 30-60 min, the polyurethane resin is ensured to be completely solidified in the DMF solution, then the polyurethane resin enters a water washing procedure, and the non-woven fabric is washed by warm water at the temperature of 20-60 ℃, and DMF in the non-woven fabric is replaced, so that the polyurethane-impregnated base fabric is obtained;
(3) then, reducing, drying and kneading the base cloth impregnated with polyurethane in the step (2) to obtain superfine fiber synthetic leather base cloth; the weight reduction, drying and graining are conventional treatment methods in the field, such as documents: "synthetic technology" (Qujiangbo et al. synthetic leather technology [ M ]. Beijing: chemical industry Press, 2010.);
the microfiber base cloth for the intelligent temperature-regulating clothing prepared by the method has the advantages that on one hand, the phase-change material microcapsule materials used are spherical and completely coated, the phase-change materials in the microfiber base cloth are not easy to leak and cannot corrode a microfiber base material, on the other hand, the phase-change material microcapsule materials can be completely dispersed and uniformly coated in the microfiber base cloth, and no potential hazard exists in the production link of the base cloth or the use process of people.
The calcium carbonate is added to the polyurethane film, so that the effects of weight increment and drape improvement can be achieved, the state of polyurethane in a solidification link is influenced, a microporous structure is formed when the polyurethane is formed into a film, and the air permeability and moisture permeability are improved.
The microfiber base cloth for the intelligent temperature-regulating clothing, prepared by the invention, has the thickness of 0.8-1.0mm, the specific thickness can be determined according to the requirements of customers, the microfiber base cloth can be made into a thick base cloth piece for grinding, single base cloth can be directly produced, and the microfiber base cloth can be applied to the fields of clothing, gloves, shoe materials and the like.
Detailed Description
The following examples are set forth to further illustrate the invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The wet polyurethane resins used in the following examples and comparative examples are those sold under the trade name JF-W-TL4030 from Zhejiang Huafeng synthetic resin Co., Ltd., and have a solid content of 25 to 30%; the composite phase-change material microcapsule is a product produced by American Kedi intelligent microcapsule science and technology limited of Anhui; the mesh number of the calcium carbonate is a product produced by a Cron powder company Limited;
example 1
(1) Soaking the non-woven fabric in the polyurethane resin impregnation liquid for 10min by adopting a padding method;
the polyurethane resin impregnation liquid comprises the following components in parts by weight:
100 parts of wet polyurethane resin
10 parts of N, N-dimethylformamide
10 parts of composite phase change material microcapsule
3 portions of calcium carbonate (1600 meshes)
(2) Soaking the product obtained in the step (1) in a N, N-Dimethylformamide (DMF) aqueous solution for solidification treatment, wherein the weight concentration of DMF is 20%, the temperature is 30 ℃, the solidification time is 30min, the polyurethane resin is ensured to be completely solidified in the DMF solution, then entering a water washing process, washing with warm water at 40 ℃, and replacing DMF in the non-woven fabric to obtain a base fabric impregnated with polyurethane;
(3) then, reducing, drying and kneading the base cloth impregnated with polyurethane in the step (2) to obtain superfine fiber synthetic leather base cloth;
the intelligent temperature-regulating microfiber base cloth prepared by the improved process is detected by a GB/T10294-.
Example 2
(1) Soaking the non-woven fabric in the polyurethane resin impregnation liquid for 10min by adopting a padding method;
the polyurethane resin impregnation liquid comprises the following components in parts by weight:
100 parts of wet polyurethane resin
20 parts of N, N-dimethylformamide
15 parts of composite phase change material microcapsule
5 portions of calcium carbonate (2000 meshes)
(2) Soaking the product obtained in the step (1) in a N, N-Dimethylformamide (DMF) water solution for solidification treatment, wherein the weight concentration of DMF is 30%, the temperature is 40 ℃, the solidification time is 40min, the polyurethane resin is ensured to be completely solidified in the DMF solution, then entering a water washing procedure, washing with 50 ℃ warm water, and replacing DMF in the non-woven fabric to obtain a polyurethane-impregnated base fabric;
(3) then, reducing, drying and kneading the base cloth impregnated with polyurethane in the step (2) to obtain superfine fiber synthetic leather base cloth;
the intelligent temperature-regulating microfiber base cloth prepared by the improved process is detected by a GB/T10294-.
Example 3
(1) Soaking the non-woven fabric in the polyurethane resin impregnation liquid for 10min by adopting a padding method;
the polyurethane resin impregnation liquid comprises the following components in parts by weight:
100 parts of wet polyurethane resin
30 parts of N, N-dimethylformamide
25 parts of composite phase change material microcapsule
5 portions of calcium carbonate (1200 meshes)
(2) Soaking the product obtained in the step (1) in a N, N-Dimethylformamide (DMF) water solution for solidification, wherein the weight concentration of DMF is 20%, the temperature is 50 ℃, the solidification time is 40min, the polyurethane resin is ensured to be completely solidified in the DMF solution, then entering a water washing procedure, washing with 50 ℃ warm water, and replacing DMF in the non-woven fabric to obtain a polyurethane-impregnated base fabric;
(3) then, reducing, drying and kneading the base cloth impregnated with polyurethane in the step (2) to obtain superfine fiber synthetic leather base cloth;
the intelligent temperature-regulating microfiber base cloth prepared by the improved process is detected by a GB/T10294-.
Example 4
(1) Soaking the non-woven fabric in the polyurethane resin impregnation liquid for 10min by adopting a padding method;
the polyurethane resin impregnation liquid comprises the following components in parts by weight:
100 parts of wet polyurethane resin
50 parts of N, N-dimethylformamide
10 parts of composite phase change material microcapsule
10 portions of calcium carbonate (1800 meshes)
(2) Soaking the product obtained in the step (1) in an N, N-Dimethylformamide (DMF) aqueous solution for solidification treatment, wherein the weight concentration of DMF is 10%, the temperature is 40 ℃, the solidification time is 30min, the polyurethane resin is ensured to be completely solidified in the DMF solution, then entering a water washing process, washing with warm water at 40 ℃, and replacing DMF in the non-woven fabric to obtain a polyurethane-impregnated base fabric;
(3) then, reducing, drying and kneading the base cloth impregnated with polyurethane in the step (2) to obtain superfine fiber synthetic leather base cloth;
the intelligent temperature-regulating microfiber base cloth prepared by the improved process is detected by a GB/T10294-.
Comparative example 1
(1) Soaking the non-woven fabric in the polyurethane resin impregnation liquid for 10min by adopting a padding method;
the polyurethane resin impregnation liquid comprises the following components in parts by weight:
100 parts of wet polyurethane resin
50 parts of N, N-dimethylformamide
0 portion of composite phase change material microcapsule
10 portions of calcium carbonate (1600 meshes)
(2) Soaking the product obtained in the step (1) in an N, N-Dimethylformamide (DMF) aqueous solution for solidification treatment, wherein the weight concentration of DMF is 10%, the temperature is 40 ℃, the solidification time is 30min, the polyurethane resin is ensured to be completely solidified in the DMF solution, then entering a water washing process, washing with warm water at 40 ℃, and replacing DMF in the non-woven fabric to obtain a polyurethane-impregnated base fabric;
(3) then, reducing, drying and kneading the base cloth impregnated with polyurethane in the step (2) to obtain superfine fiber synthetic leather base cloth;
the intelligent temperature-regulating microfiber base cloth prepared by the improved process is detected by a GB/T10294-.
Claims (10)
1. A preparation method of microfiber base cloth for intelligent temperature-adjusting clothes is characterized by comprising the following steps:
(1) dipping the non-woven fabric into a polyurethane resin impregnation liquid, and carrying out impregnation by adopting a padding method, wherein the dipping time is 10-20 min; the polyurethane resin immersion liquid comprises, by weight, 100 parts of wet-process polyurethane resin, 10-50 parts of N, N-dimethylformamide, 10-30 parts of composite phase change material microcapsules and 3-10 parts of calcium carbonate; the composite phase change material microcapsule wall material is polymethyl methacrylate;
(2) soaking the product obtained in the step (1) in a N, N-Dimethylformamide (DMF) aqueous solution for solidification treatment to ensure that polyurethane resin is completely solidified in the DMF aqueous solution, then performing a water washing process, washing with warm water at 20-60 ℃, and replacing DMF in non-woven fabrics to obtain polyurethane-impregnated base fabrics; the conditions of the solidification treatment are that the weight concentration of DMF is 10-50%, the temperature is 20-60 ℃, and the solidification time is 30-60 min;
(3) and (3) then carrying out weight reduction, drying and grain kneading on the base cloth impregnated with polyurethane in the step (2) to obtain the microfiber base cloth for the intelligent temperature-regulating clothing.
2. The preparation method of claim 1, wherein the composite phase change material microcapsule core material phase change substance is a binary composite phase change material prepared by compounding any two of n-dodecanoic acid, n-tridecanol, n-tetradecanol, n-pentadecanol, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane and n-eicosane according to a certain proportion, and the mass ratio of the two is 20: 80-80: 20.
3. The preparation method of claim 2, wherein the composite phase change material microcapsule is synthesized by an in-situ polymerization method, and the diameter of the microcapsule is 1.0-3.0 μm.
4. The preparation method of claim 1, wherein the composite phase-change material microcapsule has a melting phase-change temperature of 21.38-42.46 ℃, a melting phase-change enthalpy of 65.42J/g, a crystallization phase-change temperature of 32.48-16.16 ℃, and a crystallization phase-change enthalpy of 66.70J/g.
5. The method as claimed in claim 1, wherein the calcium carbonate has a mesh size of 1200-2000 mesh.
6. The method according to claim 5, wherein the calcium carbonate has a mesh size of 1600 mesh.
7. The method according to claim 1, wherein the wet-process polyurethane resin is a wet-process polyurethane resin slurry for leather, which is obtained by polymerizing isocyanate and organic polyol.
8. The method according to claim 7, wherein the wet-process polyurethane resin has a solid content of 25 to 30%.
9. The method according to claim 8, wherein the wet-process polyurethane resin has a solid content of 30%.
10. A microfiber base fabric for intelligent temperature-adjusting clothing, which is prepared by the preparation method of any one of claims 1 to 9.
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| WO2024130549A1 (en) * | 2022-12-20 | 2024-06-27 | Dow Global Technologies Llc | Artificial leather with cool surface feature |
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| CN105297473A (en) * | 2015-12-02 | 2016-02-03 | 昆山华富新材料股份有限公司 | Thermoregulation glove leather and preparation method thereof |
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| CN1317602A (en) * | 2000-04-10 | 2001-10-17 | 天津纺织工学院 | Autoamtic temp-regulating fibre and its products |
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