CN114318894A - Manufacturing method of high-fit infrared health-care microfiber clothing leather bass - Google Patents
Manufacturing method of high-fit infrared health-care microfiber clothing leather bass Download PDFInfo
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Abstract
The invention discloses a manufacturing method of high-fitness infrared health-care microfiber clothing leather bass, which comprises the following steps: preparing wet-process slurry, wherein the wet-process slurry comprises the following components in parts by weight: 35-55 parts of a solvent; superfine far infrared ceramic powder: 20-30 parts of a solvent; dimethylformamide: 15-55 parts of a binder; a coagulation regulator: 0.2-0.5 part, mixing and dispersing the components for 20 minutes, and adjusting the viscosity of the wet slurry to 8000-20000 cps/40 ℃ by adjusting the using amount of a solvent; carrying out impregnation treatment on the island-type microfiber non-woven fabric wet slurry to obtain impregnated microfiber non-woven fabric, and sequentially carrying out solidification, washing, extraction and drying treatment; and then carrying out softening treatment, splitting and sanding to obtain the final product. The superfine far infrared ceramic powder is added to endow the superfine Bess far infrared ray releasing capacity with far infrared emissivity of over 88 percent, and the superfine far infrared ceramic powder has the health care functions of improving blood circulation of human bodies, promoting waste metabolism in the bodies and the like, and simultaneously improves density and drape effect.
Description
Technical Field
The invention belongs to the technical field of artificial leather manufacturing, and particularly relates to a manufacturing method of high-fit infrared health-care microfiber clothing leather bass.
Background
With the continuous improvement of the technical level of the synthetic leather industry in China in recent years, superfine fiber synthetic leather as the latest generation of synthetic leather gradually emerges from the synthetic leather market by virtue of the characteristics of structure, hand feeling, good physical properties and the like similar to real leather and enters our lives. The clothing leather has extremely high requirements on the softness and the fitting performance of products, and is particularly used for making ready-made clothes. Due to the close winding and mutual constraint among the superfine fibers, the softness of the product is seriously influenced, and even the treatment improvement by using a softening agent is quite limited, so that the wool-like soft feeling is difficult to achieve. In addition, due to the limitation of the production process and raw materials of the microfiber synthetic leather bass, the density of the product is not high enough, and the leather-like vertical feeling is difficult to achieve.
The far infrared ceramic powder is a high-density functional filling material, can not only increase the weight of the product, but also absorb external heat energy and convert the heat energy into far infrared rays with the wavelength of 5-14 microns which can be easily absorbed by human bodies, activate the activity of human body cells to regulate the functions of activities of organism metabolism, immunity and the like, is beneficial to the recovery and balance of the technical performance, achieves the purposes of preventing and treating diseases, promotes and improves blood circulation and eliminates inflammatory edema.
Disclosure of Invention
In view of the problems, the invention aims to provide a manufacturing method of a high-fit infrared health-care microfiber clothing leather bass.
In order to achieve the purpose, the following technical scheme is provided:
a manufacturing method of high-fit infrared health-care microfiber clothing leather bass comprises the following steps:
1) preparing a wet-process slurry, wherein the wet-process slurry comprises a low-modulus polyurethane resin (30% solid content) in parts by weight: 35-55 parts of a solvent; superfine far infrared ceramic powder: 20-30 parts of a solvent; dimethylformamide: 15-55 parts of a binder; a coagulation regulator: 0.2-0.5 part, mixing and dispersing the components for 20 minutes, and adjusting the viscosity of the wet slurry by adjusting the using amount of the dimethyl amide, wherein the viscosity range at 40 ℃ is 8000-20000 cps;
2) carrying out impregnation treatment on the sea-island microfiber non-woven fabric in the wet slurry obtained in the step 1) to obtain an impregnated microfiber non-woven fabric, and then sequentially carrying out solidification, washing, extraction and drying treatment;
3) and softening, peeling and sanding the dried semi-finished product to obtain the final product.
Further, the extraction in the step 2) is toluene reduction extraction or alkali reduction extraction.
Further, the softening treatment in the step 2) is dipping by using an aqueous organic silicon softening agent, kneading and drying, and then vibrating and softening.
Further, the thickness of the bass processed by the flaking and sanding in the step 3) is 0.3-0.7 mm.
Furthermore, after splitting and sanding, the hardness and softness of the bass is measured to be less than or equal to 30mm by adopting a slope method.
Further, the low-modulus polyurethane resin in the step 1) is synthesized by special high-molecular polyether diol, the 100% initial modulus of the low-modulus polyurethane resin is 1-3 MPa, the molecular weight of the polyether diol is 12000-20000, and the hydroxyl value is 5.6-9.5 mgKOH/g.
Further, the particle size range of the superfine far infrared ceramic powder is 0.5-10 microns.
Further, the density of the sea-island type microfiber non-woven fabric in the step 2) is 0.2-0.4 g/cm3。
Further, sanding belts are adopted for sanding in the step 3), and the mesh number is 320 meshes or 400 meshes.
The invention has the beneficial effects that: according to the invention, the superfine far infrared ceramic powder is added into the wet slurry to endow the super-fiber bass far infrared releasing capability, the far infrared emissivity reaches over 88%, the health care function is achieved, the density and the vertical weight feeling of the super-fiber bass are improved, the soft and conformable feeling of the super-fiber bass is improved by adopting a softening agent and oscillation softening treatment, the entanglement among the superfine fibers is reduced by adopting the sheet skin and sanding treatment, and the thickness of the product is controlled.
Detailed Description
The invention is further illustrated by the following examples, without restricting its scope.
Example 1
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus 1.0 MPa) synthesized from high molecular polyether diol (molecular weight 20000, hydroxyl value 5.6 mgKOH/g): 55 parts of (1);
30 parts of solvent (DMF);
superfine far infrared ceramic powder: 20 parts of a material with the particle size of 2 microns;
coagulation regulator (SP-710S): 0.5 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry to be 9500cps (40 ℃) by a rotary viscometer;
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.7mm, density 0.27 g/cm)3) Immersing the prepared wet-process slurry into DMF (dimethyl formamide) coagulation bath with the mass concentration of 40% for 15 minutes to ensure full permeation through multiple times of padding, rolling and drying the slurry, washing the slurry in hot water at 80 ℃ to remove DMF, then putting the slurry in hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fibers, and then washing the fiber in the hot water at 90 ℃ to remove the sea components, and drying the fiber;
3) immersing the dried semi-finished base cloth into a water-based organic silicon softening agent (kesiun PS 01) with the mass concentration of 5%, padding for 3 times, wherein the liquid carrying rate is 80%, putting into a kneading barrel at 150 ℃, kneading to dry, and then putting into an oscillation softening machine to strengthen the softening treatment;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 320 meshes, and obtaining the final product (the width is 142cm, the thickness is 0.50mm, and the density is 0.495 g/cm)3And a rigidity and softness of 26 mm).
Example 2
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus 1.0 MPa) synthesized from high molecular polyether diol (molecular weight 20000, hydroxyl value 5.6 mgKOH/g): 55 parts of (1);
30 parts of solvent (DMF);
superfine far infrared ceramic powder: 30 parts of a material with the particle size of 2 microns;
coagulation regulator (CP-6310): 0.3 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry by a rotary viscometer to be 16000cps (40 ℃);
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.70mm, density 0.30 g/cm)3) Immersing the prepared wet-process slurry into DMF (dimethyl formamide) coagulation bath with the mass concentration of 40% for 15 minutes to ensure full permeation through multiple times of padding, rolling and drying the slurry, washing the slurry in hot water at 80 ℃ to remove DMF, then putting the slurry in hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fibers, and then washing the fiber in the hot water at 90 ℃ to remove the sea components, and drying the fiber;
3) immersing the dried semi-finished base cloth into a water-based organic silicon softening agent (kesiun PS 01) with the mass concentration of 5%, padding for 3 times, controlling the liquid carrying rate to be 79%, kneading the base cloth in a kneading barrel at 150 ℃, and then performing enhanced softening treatment in an oscillation softening machine;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 400 meshes, and obtaining the final product (the width of the door is 142cm, the thickness is 0.5mm, and the density is 0.636 g/cm)3Rigidity and softness 21 mm).
Example 3
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus 1.0 MPa) synthesized from high molecular polyether diol (molecular weight 20000, hydroxyl value 5.6 mgKOH/g): 40 parts of a mixture;
30 parts of solvent (DMF);
superfine far infrared ceramic powder: 30 parts of a material with the particle size of 2 microns;
coagulation regulator (CP-6310): 0.2 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry by a rotary viscometer to be 17000cps (40 ℃);
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.70mm, density 0.30 g/m)3) Immersing the slurry into the prepared wet-process slurry, performing padding for multiple times to ensure full permeation, entering a DMF (dimethyl formamide) coagulation bath with the mass concentration of 40 percent for coagulation for 15 minutes,rolling and drying the superfine fiber, washing the superfine fiber in hot water at 80 ℃ to remove DMF (dimethyl formamide), then putting the superfine fiber in hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fiber, and then washing the superfine fiber in hot water at 90 ℃ to remove methylbenzene and drying the superfine fiber;
3) immersing the dried semi-finished base cloth into a 10% aqueous organosilicon softening agent (kesiun PS 01), padding for 3 times, wherein the liquid carrying rate is 82%, putting into a kneading barrel at 150 ℃ for kneading, and then putting into an oscillation softening machine for enhancing softening treatment;
4) putting the softened semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 400 meshes to obtain a final product (the width of the door is 142cm, the thickness is 0.5mm, and the density is 0.649 g/m)3And a rigidity and softness of 26 mm).
Example 4
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus 3.0 MPa) synthesized from high molecular polyether diol (molecular weight 20000, hydroxyl value 5.6 mgKOH/g): 40 parts of a mixture;
30 parts of solvent (DMF);
superfine far infrared ceramic powder: 30 parts of a material with the particle size of 2 microns;
coagulation regulator (CP-6310): 0.2 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry by a rotary viscometer to be 17000cps (40 ℃);
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.70mm, density 0.30 g/m)3) Immersing the prepared wet-process slurry into DMF (dimethyl formamide) coagulation bath with the mass concentration of 40% for 15 minutes to ensure full permeation through multiple times of padding, rolling to dry, washing with hot water at 80 ℃ to remove DMF, then putting into hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fibers, and then washing with hot water at 90 ℃ to remove methylbenzene and drying;
3) immersing the dried semi-finished base cloth into a 10% aqueous organosilicon softening agent (kesiun PS 01), padding for 3 times, with the liquid carrying rate of 85%, kneading in a kneading barrel at 150 ℃, and then entering an oscillation softening machine to strengthen softening treatment;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 400 meshesTo obtain the final product (width 142cm, thickness 0.5mm, density 0.649 g/m)3Hardness 28 mm).
Example 5
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus 3.0 MPa) synthesized from high molecular polyether diol (molecular weight 20000, hydroxyl value 5.6 mgKOH/g): 40 parts of a mixture;
30 parts of solvent (DMF);
superfine far infrared ceramic powder: 30 parts of a material with the particle size of 2 microns;
coagulation regulator (SD-7): 0.2 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry by a rotary viscometer to be 17000cps (40 ℃);
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.60mm, density 0.22 g/cm)3) Immersing the prepared wet-process slurry into DMF (dimethyl formamide) coagulation bath with the mass concentration of 40% for 15 minutes to ensure full permeation through multiple times of padding, rolling to dry, washing with hot water at 80 ℃ to remove DMF, then putting into hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fibers, and then washing with hot water at 90 ℃ to remove methylbenzene and drying;
3) immersing the dried semi-finished base cloth into a 10% aqueous organosilicon softening agent (kesiun PS 01), padding for 3 times, leading the liquid carrying rate to be 83%, putting into a kneading barrel at 150 ℃, kneading to dry, and then putting into an oscillation softening machine to strengthen softening treatment;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 320 meshes, and obtaining the final product (the width is 142cm, the thickness is 0.3mm, and the density is 0.649 g/cm)3Hardness 24 mm).
Example 6
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus 3.0 MPa) synthesized from high molecular polyether diol (molecular weight 20000, hydroxyl value 5.6 mgKOH/g): 40 parts of a mixture;
30 parts of solvent (DMF);
superfine far infrared ceramic powder: 30 parts of a material with the particle size of 10 microns;
coagulation regulator (SD-7): 0.2 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry to 15500cps (40 deg.C) by using a rotary viscometer;
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.70mm, density 0.22 g/cm)3) Immersing the prepared wet-process slurry into DMF (dimethyl formamide) coagulation bath with the mass concentration of 40% for 15 minutes to ensure full permeation through multiple times of padding, rolling to dry, washing with hot water at 80 ℃ to remove DMF, then putting into hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fibers, and then washing with hot water at 90 ℃ to remove methylbenzene and drying;
3) immersing the dried semi-finished base cloth into a 10% aqueous organosilicon softening agent (kesiun PS 01), padding for 3 times, leading the liquid carrying rate to be 83%, putting into a kneading barrel at 150 ℃, kneading to dry, and then putting into an oscillation softening machine to strengthen softening treatment;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 320 meshes, and obtaining the final product (the width of the door is 142cm, the thickness is 0.5mm, and the density is 0.633 g/cm)3And a rigidity and softness of 26 mm).
Example 7
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus of 2.0 MPa) synthesized from high molecular weight polyether diol (molecular weight 12000, hydroxyl value 9.5 mgKOH/g): 35 parts of (B);
15 parts of solvent (DMF);
superfine far infrared ceramic powder: 20 parts of a material with the particle size of 0.5 micron;
coagulation regulator (SD-7): 0.2 part;
stirred and dispersed at high speed for 20 minutes, and the viscosity of the wet slurry is 19000cps (40 ℃) measured by a rotational viscometer;
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.90mm, density 0.22 g/cm)3) Immersing the prepared wet-process slurry in a plurality of times of padding to ensure full permeation, entering a DMF (dimethyl formamide) coagulating bath with the mass concentration of 40% for coagulation for 15 minutes, rolling to dry, entering hot water at 80 ℃ to wash off the DMF, and then connectingPumping out sea components in the superfine fibers after entering hot toluene at the temperature of 80 ℃ for 60 minutes, and then washing with hot water at the temperature of 90 ℃ to remove benzene and dry;
3) immersing the dried semi-finished base cloth into a 10% aqueous organosilicon softening agent (kesiun PS 01), padding for 3 times, leading the liquid carrying rate to be 83%, putting into a kneading barrel at 150 ℃, kneading to dry, and then putting into an oscillation softening machine to strengthen softening treatment;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 320 meshes to obtain the final product (the width is 142cm, the thickness is 0.7mm, and the density is 0.687 g/cm)3Hardness 22 mm).
Example 8
1) Preparing wet slurry, wherein the wet slurry comprises the following components in parts by weight:
polyether urethane resin (100% initial modulus of 2.0 MPa) synthesized from high molecular weight polyether diol (molecular weight 12000, hydroxyl value 9.5 mgKOH/g): 35 parts of (B);
55 parts of solvent (DMF);
superfine far infrared ceramic powder: 20 parts of a material with the particle size of 2 microns;
coagulation regulator (SD-7): 0.2 part;
stirring at high speed for 20 min, and measuring the viscosity of the wet slurry by a rotary viscometer to be 11500cps (40 ℃);
2) subjecting sea-island type microfiber nonwoven fabric (width 160cm, thickness 1.70mm, density 0.25 g/cm)3) Immersing the prepared wet-process slurry into DMF (dimethyl formamide) coagulation bath with the mass concentration of 40% for 15 minutes to ensure full permeation through multiple times of padding, rolling to dry, washing with hot water at 80 ℃ to remove DMF, then putting into hot toluene at 80 ℃ for 60 minutes to extract sea components in the superfine fibers, and then washing with hot water at 90 ℃ to remove methylbenzene and drying;
3) immersing the dried semi-finished base cloth into a 10% aqueous organosilicon softening agent (kesiun PS 01), padding for 3 times, leading the liquid carrying rate to be 83%, putting into a kneading barrel at 150 ℃, kneading to dry, and then putting into an oscillation softening machine to strengthen softening treatment;
4) putting the soft semi-finished product into a splitting machine and a sanding machine, wherein the mesh number of the sanding belt is 320 meshes, and obtaining the final product (the width of the door is 142cm, the thickness is 142 cm)0.5mm, density 0.556g/cm3Hardness 24 mm).
The comparison results of the formula and the performance test results of the high-fitness infrared health-care microfiber clothing leather beth obtained in examples 1 to 8 of the present invention and the conventional clothing leather beth (SN product) are shown in table 1 below. The data in the table show that the clothing leather bass prepared by the invention has higher density, lower stiffness value and higher far infrared emissivity than the conventional clothing leather products, which indicates that the softness and the drape property, namely the fitting property, and the far infrared health care property of the clothing leather bass prepared by the invention are better than those of the conventional comparative products. In addition, the modulus of the resin is reduced, the using amount of the resin is reduced, the particle size of the ceramic powder is increased, the reduction of the thickness of the product is beneficial to improving the flexibility of the product, the increase of the using amount of the ceramic powder is beneficial to improving the density, the drapability and the far infrared ray emitting capability of the product, so that the rigidity and the flexibility index of the product are reduced, the conformability of the product is enhanced, and the health care performance is improved. The far infrared emissivity test is performed according to GB/T30127-2013 textile far infrared performance detection and evaluation, and the softness test is performed according to GMW3390-2012 automobile decoration material softness determination method.
TABLE 1 comparison of product Properties of the examples
| SN products | Case 1 | Case 2 | Case 3 | Case 4 | Case 5 | Case 6 | Case 7 | Case 8 | |
| Modulus of resin (MPa) | 6 | 1 | 1 | 1 | 3 | 3 | 3 | 2 | 2 |
| Resin dosage (parts) | 55 | 55 | 55 | 40 | 40 | 40 | 40 | 35 | 35 |
| Amount of DMF | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 15 | 55 |
| Ceramic powder quantity (share) | 0 | 20 | 30 | 30 | 30 | 30 | 30 | 20 | 20 |
| Ceramic powder particle size (um) | / | 2 | 2 | 2 | 2 | 2 | 10 | 0.5 | 2 |
| Thickness (mm) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.3 | 0.5 | 0.7 | 0.5 |
| Density (g/cm)2) | 0.39 | 0.495 | 0.636 | 0.649 | 0.649 | 0.649 | 0.633 | 0.687 | 0.556 |
| Emissivity (%) | 0% | 88.3% | 93.1% | 95.7% | 95.7% | 95.7% | 95.7% | 92.8% | 89.8% |
| Rigidity and softness (cm/3cm) | 30 | 26 | 21 | 26 | 28 | 24 | 26 | 22 | 24 |
The raw material sources in the above examples illustrate:
the manufacturer of SP-710S, CP-6310 is Shanghai Ri Kogyo Co., Ltd; the manufacturer of SD-7 is Zhejiang Luoxing industries, Inc.; the manufacturer of kesirou PS01 is shanghai xingkang chemical ltd; the manufacturer of the superfine far infrared powder is the combined Feixiang chemical technology limited company; the high molecular weight polyether glycol is produced by Huaian Bade polyurethane science and technology limited company; the sea-island microfiber nonwoven fabric is produced by Haoxin Cola microfiber skin (Jiaxing) Co., Ltd.
Claims (7)
1. A manufacturing method of high-fit infrared health-care microfiber clothing leather bass is characterized by comprising the following steps:
1) preparing a wet-process slurry, wherein the wet-process slurry comprises a low-modulus polyurethane resin (30% solid content) in parts by weight: 35-55 parts of a solvent; superfine far infrared ceramic powder: 20-30 parts of a solvent; dimethylformamide: 15-55 parts of a binder; a coagulation regulator: 0.2-0.5 part, mixing and dispersing the components for 20 minutes, and adjusting the viscosity of the wet slurry by adjusting the using amount of the dimethyl amide, wherein the viscosity range at 40 ℃ is 8000-20000 cps;
2) carrying out impregnation treatment on the sea-island microfiber non-woven fabric in the wet slurry obtained in the step 1) to obtain an impregnated microfiber non-woven fabric, and then sequentially carrying out solidification, washing, extraction and drying treatment;
3) and softening, peeling and sanding the dried semi-finished product to obtain the final product.
2. The method for manufacturing the high-fitness infrared health-care microfiber clothing leather bass in claim 1, wherein the extraction in the step 2) is toluene reduction extraction or alkali reduction extraction.
3. The method for manufacturing the high-fitness infrared health-care microfiber clothing leather bass in claim 1, wherein the softening treatment in the step 2) is water-based silicone softener dipping, graining and drying, and then vibration softening treatment.
4. The manufacturing method of the high-fitness infrared health-care microfiber clothing leather bass in claim 1, wherein the thickness of the bass subjected to the splitting and sanding treatment in the step 3) is in a range of 0.3-0.7 mm.
5. The method for manufacturing the high-fitness infrared health-care microfiber clothing leather bass of claim 4, wherein after splitting and sanding, the rigidity and softness of the bass measured by an inclined plane method is less than or equal to 30 mm.
6. The method for manufacturing the infrared health-care microfiber clothing leather beth with high fitness according to claim 1, wherein the low-modulus polyurethane resin in the step 1) is synthesized from special high-molecular polyether diol, the 100% initial modulus of the polyurethane resin is 1-3 MPa, the molecular weight of the polyether diol is 12000-20000, and the hydroxyl value is 5.6-9.5 mgKOH/g.
7. The method for manufacturing the high-fitness infrared health-care microfiber clothing leather bass according to claim 1, wherein the particle size range of the ultrafine far infrared ceramic powder is 0.5-10 microns.
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| CN115418865A (en) * | 2022-09-06 | 2022-12-02 | 山东同大海岛新材料股份有限公司 | Environment-friendly microfiber leather and processing method and application thereof |
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