CN211112886U - Synthetic leather fabric for stage shoes - Google Patents
Synthetic leather fabric for stage shoes Download PDFInfo
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- CN211112886U CN211112886U CN201921871233.3U CN201921871233U CN211112886U CN 211112886 U CN211112886 U CN 211112886U CN 201921871233 U CN201921871233 U CN 201921871233U CN 211112886 U CN211112886 U CN 211112886U
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- 239000004744 fabric Substances 0.000 title claims abstract description 55
- 239000002649 leather substitute Substances 0.000 title claims abstract description 33
- 239000004814 polyurethane Substances 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 53
- 229920002635 polyurethane Polymers 0.000 claims abstract description 51
- 239000006229 carbon black Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 78
- 239000011247 coating layer Substances 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 10
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- 210000004209 hair Anatomy 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 42
- 239000000203 mixture Substances 0.000 description 32
- 239000007788 liquid Substances 0.000 description 29
- 238000005187 foaming Methods 0.000 description 22
- 239000000843 powder Substances 0.000 description 20
- 229920005989 resin Polymers 0.000 description 18
- 239000011347 resin Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 16
- 238000001035 drying Methods 0.000 description 15
- 229920005749 polyurethane resin Polymers 0.000 description 14
- 238000001816 cooling Methods 0.000 description 11
- 238000010409 ironing Methods 0.000 description 11
- 125000003118 aryl group Chemical group 0.000 description 10
- 239000010985 leather Substances 0.000 description 10
- 239000004005 microsphere Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 8
- 238000004383 yellowing Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 6
- 239000002932 luster Substances 0.000 description 6
- 239000011527 polyurethane coating Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 241000199223 Elaeocarpus kirtonii Species 0.000 description 4
- 235000009414 Elaeocarpus kirtonii Nutrition 0.000 description 4
- 241000227425 Pieris rapae crucivora Species 0.000 description 4
- 235000013584 Tabebuia pallida Nutrition 0.000 description 4
- 229920002522 Wood fibre Polymers 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004049 embossing Methods 0.000 description 4
- 230000001114 myogenic effect Effects 0.000 description 4
- 239000012756 surface treatment agent Substances 0.000 description 4
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- 239000011259 mixed solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
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- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The utility model relates to a polymer polyurethane synthetic leather preparation technical field especially relates to a synthetic leather surface fabric for stage shoes, including base cloth layer, wet process polyurethane layer, mixed dope layer, Yangbao carbon black processing layer and waterborne pearly layer, the coating on the base cloth layer on wet process polyurethane layer, the coating on wet process polyurethane layer of mixed dope layer, Yangbao carbon black processing layer roller coat is on mixed dope layer, the high solid printing of waterborne pearly layer is on Yangbao carbon black processing layer. The utility model discloses a to the synchronous improvement of material component and preparation technology, simplified preparation technology, and make the material can not produce the color migration, be fit for being used for making stage shoes to can guarantee the result of use of product. The utility model discloses utilize the contrast of synthetic leather surface colour to embody the stage effect, use the collocation of fine hair sense and pearly-lustre bright spot, can highlight the reflection of the different angle light in pearly-lustre bright piece surface more.
Description
Technical Field
The utility model relates to a technical field is made to high performance synthetic leather, especially relates to a synthetic leather surface fabric for stage shoes.
Background
The Grignard leather appearing in the recent market is a novel leather material, the surface of the Grignard leather is provided with a layer of special bright particles, the Grignard leather is very dazzling under the irradiation of light and has a very good flashing effect, but the Grignard leather is novel and fashionable, and the price of the Grignard leather is far higher than that of common leather in the market.
Many products of the imitation Grignard leather appear in the market, and the popular preparation process is to select the suede with soft, smooth and light texture as the substrate and coat the substrate with pearly luster.
Disclosure of Invention
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a synthetic leather surface fabric is used to stage shoes has simplified preparation technology through the synchronous improvement to material component and preparation technology, and makes the material can not produce the color migration, is fit for being used for making stage shoes to can guarantee the result of use of product.
(II) technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme is:
the synthetic leather fabric for the stage shoes comprises a base cloth layer, a wet-process polyurethane layer, a mixed coating layer, a Yangbao carbon black treatment layer and a water-based pearlescent layer, wherein the wet-process polyurethane layer is coated on the base cloth layer, the mixed coating layer is coated on the wet-process polyurethane layer, the Yangbao carbon black treatment layer is coated on the mixed coating layer in a roller mode, and the water-based pearlescent layer is printed on the Yangbao carbon black treatment layer in a high-solid mode.
A preparation method of synthetic leather fabric for stage shoes comprises the following steps:
step one, manufacturing a wet-process polyurethane layer; step two, manufacturing a mixed coating layer; step three, manufacturing the water-based pearlescent layer; wherein:
in the first step, 80-90 parts of dimethylformamide solvent, 3-6 parts of water-based color paste, 75-79 parts of calcium powder, 20-25 parts of white wood fiber powder, 95-100 parts of wet-process polyurethane resin A and 85-90 parts of wet-process polyurethane B are sequentially added into a reaction kettle, the mixture is uniformly stirred at the rotating speed of 35-45 r/min, the mixture is vacuumized for 40-60 min, 10-20 parts of dimethylformamide solvent is added into the mixture after the viscosity is measured, and the filtered mixture C is obtained.
The mercerized wool base cloth is placed in clear water to be cleaned, then, a part of water in the base cloth is dried through a ironing wheel at 50-60 ℃, the water in the base cloth is evenly ironed, the mixture C is evenly coated on the base cloth, the coating is solidified in a pre-solidifying tank containing 14-16% of DMF, then, the coating is cleaned through clear water in a washing tank, dried through an oven at 120-150 ℃, and then cooled through a cooling wheel of circulating water, and the wet-process polyurethane layer is prepared.
In the second step, 55-60 parts of microsphere foaming expansion powder, 40-45 parts of aromatic polyurethane resin and 3-8 parts of toner are mixed and uniformly stirred in a container to obtain a mixture D.
And coating a layer of mixture D on the wet-process polyurethane layer, wherein the coating thickness is 0.12-0.15 mm, forming a mixed coating layer, and foaming at the high temperature of 150-170 ℃.
In the third step, adding 0.1 part of blue pearlescent toner, 0.2 part of white coarse pearlescent toner and 0.1 part of common white pearlescent toner into 100 parts of water-based highlight treatment agent, stirring uniformly to obtain a mixed solution E, coating the mixed solution E on the Baggo carbon black treatment layer through a specific high-solid printing wheel, and drying in a drying oven at 120-140 ℃ to obtain the synthetic leather fabric for the finished stage shoes.
Further, the thickness of the wet-process polyurethane layer is 0.13-0.23 mm
Further, in the step one, the wet polyurethane A is viscous liquid with viscosity of 160-300 CPS/25 ℃, solid content of 30.0 +/-1.0%, 100% modulus of 2.0-3.0 MPa, tensile strength of more than 25MPa, elongation of more than 600%, colorless to faint yellow transparent appearance, high myogenic property, high peel strength and good embossing performance.
The wet-process polyurethane B is viscous liquid with the viscosity of 18-30 ten thousand CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 3.5-4.5 MPa, the tensile strength of more than 25MPa, the elongation of more than 550% and colorless to faint yellow transparent appearance, so that the wet-process polyurethane coating has uniform foam pores and a wet-process polyurethane layer has good elasticity.
The viscosity of the mixture C is 8000 +/-500 CPS/25 ℃.
Further, in the first step, the temperature of the ironing wheel is 50-60 ℃, the total linear speed is 13-14 m/min, the concentration of the dimethyl formamide in the pre-coagulation tank is 14-16%, and the temperature of the circulating water cooling wheel is 10-15 ℃.
Further, in the second step, the microsphere foaming expansion powder is nubuck resin with the viscosity of 2500-3500 CPS/25 ℃ and the appearance of light yellow liquid, and the volume of the microsphere foaming expansion powder can be rapidly expanded to dozens of times of the volume of the microsphere foaming expansion powder through the high temperature of 170-180 ℃, so that the foaming effect is achieved.
The aromatic polyurethane resin is dry resin which has viscosity of 8-12 ten thousand CPS/25 ℃, solid content of 29-31%, elongation at break of 600%, tensile strength of 55kgf/cm2, 100% modulus of 30kgf/cm2 and appearance of light yellow transparent liquid, and has good hydrolysis resistance and cold resistance.
Further, in the second step, the coating thickness of the mixture D, namely the thickness of the mixed coating layer, is 0.12-0.15 mm.
Furthermore, in the third step, the aqueous high-gloss treating agent can prevent the surface of PU from yellowing, has natural luster and smooth hand feeling, has the viscosity of 1000-2000 CPS/25 ℃, has the yellowing resistance of more than or equal to grade 4, is a milky semitransparent liquid in appearance, is clean and environment-friendly, and has no pollution.
The high-solid printing wheel is a printing wheel with deep grains, thin density of grains and strong grain layering sense, and the grain sense of the surface of a printed sample is strong.
Further, in the third step, the Yangbao carbon black treatment layer is formed by treating a layer of Yangbao carbon black surface treatment agent through a 120-mesh plum blossom wheel and a 180-mesh plum blossom wheel in sequence, so that the surface of the foamed Yangbao carbon black has the color tone of the carbon black.
(III) advantageous effects
The utility model provides a synthetic leather surface fabric for stage shoes and preparation method thereof possesses following beneficial effect:
1. the utility model provides a product and preparation method through to through the synchronous improvement to material component and preparation technology, has simplified preparation technology, and makes the material can not produce the color migration, is fit for being used for making stage shoes to can guarantee the result of use of product. Specifically, after the PU synthetic leather is treated, the mixture of the pearly luster and the water-based high-gloss treating agent is coated on the PU synthetic leather, so that color migration cannot be generated, and the cost is far lower than that of the Grignard leather.
2. The utility model discloses what the surface fabric used is aqueous finishing agent, and cleaner production accords with the requirement of environmental protection, and in the performance, the aqueous highlight finishing agent that uses compares with oily finishing agent in gloss and sense of touch and has obvious advantage.
3. The utility model discloses wholly through the synergism to each material in PU synthetic leather surface and preparation technology, utilize the contrast of synthetic leather surface colour to embody the stage effect, use the collocation of fine hair sense and pearly-lustre bright spot, can highlight the reflection of the different angle light in pearly-lustre bright piece surface more.
4. The utility model discloses a wet process polyurethane A, have high flesh forming nature, high peel strength, the knurling performance is good, and the wet process polyurethane B of adoption enables wet process polyurethane coating bubble even, lets the wet process polyurethane layer have good elasticity.
5. The utility model discloses a microballon foaming expansion powder, the volume can expand rapidly and increase to the tens of times of self to reach the foaming effect of ideal.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the synthetic leather fabric for stage shoes according to the present invention.
Fig. 2 is a schematic view of the layered structure of the synthetic leather fabric for stage shoes of the present invention.
In the figure: 1. a base cloth layer; 2. a wet polyurethane layer; 3. mixing the coating layers; 4. a Yangbag carbon black treatment layer; 5. an aqueous pearlescent layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be further described with reference to fig. 1 and 2 and the following examples.
The first embodiment is as follows:
the synthetic leather fabric for the stage shoes comprises a base cloth layer 1, a wet-process polyurethane layer 2, a mixed coating layer 3, a Yangbao carbon black treatment layer 4 and a water-based pearlescent layer 5, wherein the wet-process polyurethane layer 2 is coated on the base cloth layer 1, the mixed coating layer 3 is coated on the wet-process polyurethane layer 2, the Yangbao carbon black treatment layer 4 is coated on the mixed coating layer 3 in a roller mode, and the water-based pearlescent layer 5 is printed on the Yangbao carbon black treatment layer 4 in a high-solid mode.
A preparation method of synthetic leather fabric for stage shoes comprises the following steps:
step one, manufacturing a wet-process polyurethane layer; step two, manufacturing a mixed coating layer; step three, manufacturing the water-based pearlescent layer; wherein:
in the first step, adding 80 parts of dimethylformamide solvent, 3 parts of water-based color paste, 75 parts of calcium powder, 20 parts of white wood fiber powder and 95 parts of wet-process polyurethane resin A into a reaction kettle in sequence, wherein the wet-process polyurethane A is viscous liquid with the viscosity of 160-300 CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 2.0-3.0 MPa, the tensile strength of more than 25MPa, the elongation of more than 600%, the appearance of the viscous liquid is colorless to faint yellow transparent, the viscous liquid has high myogenic property, high peel strength and good embossing performance, the wet-process polyurethane B is viscous liquid with the viscosity of 18-30 CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 3.5-4.5 MPa, the tensile strength of more than 25MPa, the elongation of more than 550%, the appearance of the viscous liquid is colorless to faint yellow transparent, the wet-process polyurethane coating is uniform, and a wet-process polyurethane layer has good elasticity, stirring uniformly at the rotating speed of 35 revolutions per minute, vacuumizing the mixture for 40 minutes, measuring the viscosity, adding 10 parts of dimethylformamide solvent, and filtering to obtain a mixture C;
cleaning a mercerized velvet base fabric in clear water, then ironing a part of water in the base fabric through an ironing wheel at 50 ℃, wherein the temperature of the ironing wheel is 50 ℃, the total linear speed is 13 m/min, the water in the base fabric is uniformly ironed, then uniformly coating a mixture C on the base fabric, the viscosity of the mixture C is 8000 +/-500 CPS/25 ℃, solidifying the coating in a pre-solidifying tank containing 14-16% of DMF, the concentration of dimethylformamide in the pre-solidifying tank is 1%, then cleaning with clear water through a water washing tank, drying through an oven at 120 ℃, then cooling through a cooling wheel of circulating water, and the temperature of the circulating water cooling wheel is 10 ℃ to prepare a wet-process polyurethane layer, wherein the thickness of the wet-process polyurethane layer is 0.13 mm.
In the second step, 55 parts of microsphere foaming expansion powder, 40 parts of aromatic polyurethane resin and 3 parts of toner are mixed, wherein the microsphere foaming expansion powder is sheep-meat resin with the viscosity of 2500-3500 CPS/25 ℃ and the appearance of light yellow liquid, and the volume of the sheep-meat resin can be rapidly expanded to be dozens of times of that of the sheep-meat resin by high temperature of 170-180 ℃, so that the foaming effect is achieved, the aromatic polyurethane resin is dry resin with the viscosity of 8-12 ten thousand CPS/25 ℃, the solid content of 29-31%, the elongation at break of 600%, the tensile strength of 55kgf/cm2, the 100% modulus of 30kgf/cm2 and the appearance of light yellow transparent liquid, the hydrolysis resistance and the cold resistance of the dry resin are good, and the dry resin is uniformly stirred in a container to obtain a mixture D;
coating a layer of mixture D on the wet polyurethane layer, wherein the coating thickness of the mixture D, namely the thickness of the mixed coating layer 3 is 0.12mm, the coating thickness is 0.12mm, and foaming is carried out at the high temperature of 150 ℃;
in the third step, 0.1 part of blue pearlescent toner, 0.2 part of white coarse pearlescent toner and 0.1 part of common white pearlescent toner are added into 100 parts of aqueous highlight treatment agent, the aqueous highlight treatment agent can prevent the surface of PU from yellowing, has natural luster and smooth hand feeling, has the viscosity of 1000-2000 CPS/25 ℃, the yellowing resistance of more than or equal to 4 grade, is milky semitransparent liquid in appearance, is clean, environment-friendly and pollution-free, is uniformly stirred, is coated on a Yangbao carbon black treatment layer through a specific high-solid printing wheel, is a printing wheel with deeper grains, thinner grains and thinner density and stronger grain layering sense, and has strong grain sense on the surface of a printed sample, and the Yangbao carbon black treatment layer is formed by treating a layer of Yangbao carbon black surface treatment agent through a 120-mesh plum wheel and a 180-mesh plum wheel in sequence to ensure that the surface of the foamed Yangbao carbon black has the color tone of the carbon black, and drying in a drying oven at 120-140 ℃ to obtain the synthetic leather fabric for the stage shoes.
The utility model provides a product and preparation method through to through the synchronous improvement to material component and preparation technology, has simplified preparation technology, and makes the material can not produce the color migration, is fit for being used for making stage shoes to can guarantee the result of use of product.
Example two:
the synthetic leather fabric for stage shoes and the preparation method thereof provided by the embodiment are basically the same as those in the embodiment 1, and the difference is that:
a preparation method of synthetic leather fabric for stage shoes comprises the following steps:
step one, manufacturing a wet-process polyurethane layer; step two, manufacturing a mixed coating layer; step three, manufacturing the water-based pearlescent layer; wherein:
in the first step, 80 parts of dimethylformamide solvent, 5 parts of water-based color paste, 77 parts of calcium powder, 23 parts of white wood fiber powder and 95 parts of wet-process polyurethane resin A are sequentially added into a reaction kettle, wherein the wet-process polyurethane A is viscous liquid with the viscosity of 160-300 CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 2.0-3.0 MPa, the tensile strength of more than 25MPa, the elongation of more than 600%, the appearance of the viscous liquid is colorless to light yellow transparent, the viscous liquid has high myogenic property, high peel strength and good embossing performance of 85-90 parts of wet-process polyurethane B, the wet-process polyurethane B is viscous liquid with the viscosity of 18-30 million CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 3.5-4.5 MPa, the tensile strength of more than 25MPa, the elongation of more than 550%, the appearance of the viscous liquid is colorless to light yellow transparent, and the pores of the wet-process polyurethane coating are uniform, enabling the wet polyurethane layer to have good elasticity, stirring uniformly at the rotating speed of 40 revolutions per minute, vacuumizing the mixture for 50 minutes, measuring the viscosity, adding 15 parts of dimethylformamide solvent, and filtering to obtain a mixture C;
cleaning a mercerized wool base fabric in clear water, then ironing a part of water in the base fabric through an ironing wheel at 55 ℃, wherein the temperature of the ironing wheel is 55 ℃, the total linear speed is 13 m/min, the water in the base fabric is uniformly ironed, then uniformly coating a mixture C on the base fabric, the viscosity of the mixture C is 8000 +/-500 CPS/25 ℃, solidifying the coating in a pre-solidifying tank containing 14-16% of DMF, the concentration of dimethylformamide in the pre-solidifying tank is 14-16%, then cleaning the base fabric with clear water through a water washing tank, drying the base fabric through an oven at 130 ℃, then cooling the base fabric through a cooling wheel of circulating water, wherein the temperature of the circulating water cooling wheel is 13 ℃, and preparing a wet polyurethane layer, wherein the thickness of the wet polyurethane layer is 0.2 mm.
In the second step, 58 parts of microsphere foaming expansion powder, 42 parts of aromatic polyurethane resin and 5 parts of toner are mixed, wherein the microsphere foaming expansion powder is sheep-meat resin with the viscosity of 2500-3500 CPS/25 ℃ and the appearance of light yellow liquid, and the volume of the sheep-meat resin can be rapidly expanded to be dozens of times of that of the sheep-meat resin per se through the high temperature of 170-180 ℃, so that the foaming effect is achieved, the aromatic polyurethane resin is dry-process resin with the viscosity of 8-12 ten thousand CPS/25 ℃, the solid content of 29-31%, the elongation at break of 600%, the tensile strength of 55kgf/cm2, the 100% modulus of 30kgf/cm2 and the appearance of light yellow transparent liquid, the performances of the aromatic polyurethane resin and the cold resistance of the dry-process resin are good, and the mixture D is obtained by uniformly stirring in a container;
coating a layer of mixture D on the wet polyurethane layer, wherein the coating thickness of the mixture D is 0.13mm, namely the thickness of the mixed coating layer 3 is 0.13mm, and foaming is carried out at 1170 ℃;
in the third step, 0.1 part of blue pearlescent toner, 0.2 part of white coarse pearlescent toner and 0.1 part of common white pearlescent toner are added into 100 parts of aqueous highlight treatment agent, the aqueous highlight treatment agent can prevent the surface of PU from yellowing, has natural luster and smooth hand feeling, has the viscosity of 1000-2000 CPS/25 ℃, the yellowing resistance of more than or equal to 4 grade, is milky semitransparent liquid in appearance, is clean, environment-friendly and pollution-free, is uniformly stirred, is coated on a Yangbao carbon black treatment layer through a specific high-solid printing wheel, is a printing wheel with deeper grains, thinner grains and thinner density and stronger grain layering sense, and has strong grain sense on the surface of a printed sample, and the Yangbao carbon black treatment layer is formed by treating a layer of Yangbao carbon black surface treatment agent through a 120-mesh plum wheel and a 180-mesh plum wheel in sequence to ensure that the surface of the foamed Yangbao carbon black has the color tone of the carbon black, and drying in a drying oven at 130 ℃ to obtain the synthetic leather fabric for the finished stage shoes.
Example three:
the synthetic leather fabric for stage shoes and the preparation method thereof provided by the embodiment are basically the same as those in the embodiments 1 and 2, and the difference is that:
a preparation method of synthetic leather fabric for stage shoes comprises the following steps:
step one, manufacturing a wet-process polyurethane layer; step two, manufacturing a mixed coating layer; step three, manufacturing the water-based pearlescent layer; wherein:
in the first step, 90 parts of dimethylformamide solvent, 6 parts of aqueous color paste, 79 parts of calcium powder, 25 parts of white wood fiber powder and 100 parts of wet-process polyurethane resin A are sequentially added into a reaction kettle, wherein the wet-process polyurethane A is viscous liquid with the viscosity of 160-300 CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 2.0-3.0 MPa, the tensile strength of more than 25MPa, the elongation of more than 600%, the appearance of the viscous liquid is colorless to faint yellow transparent, the viscous liquid has high myogenic high peel strength and good embossing performance, the wet-process polyurethane B is viscous liquid with the viscosity of 18-30 CPS/25 ℃, the solid content of 30.0 +/-1.0%, the 100% modulus of 3.5-4.5 MPa, the tensile strength of more than 25MPa, the elongation of more than 550%, the appearance of the viscous liquid is colorless to faint yellow transparent, the wet-process polyurethane coating is uniform in foam pores, and the wet-process polyurethane layer has good elasticity, stirring uniformly at the rotating speed of 45 revolutions per minute, vacuumizing the mixture for 60 minutes, measuring the viscosity, adding 20 parts of dimethylformamide solvent, and filtering to obtain a mixture C;
cleaning a mercerized velvet base fabric in clear water, then ironing a part of water in the base fabric through an ironing wheel at 60 ℃, wherein the temperature of the ironing wheel is 60 ℃, the total linear speed is 4 m/min, the water in the base fabric is uniformly ironed, then uniformly coating a mixture C on the base fabric, the viscosity of the mixture C is 8000 +/-500 CPS/25 ℃, solidifying the coating in a pre-solidifying tank containing 14-16% of DMF, the concentration of dimethylformamide in the pre-solidifying tank is 16%, then cleaning the base fabric with clear water through a water washing tank, drying the base fabric through an oven at 150 ℃, then cooling the base fabric through a cooling wheel of circulating water, wherein the temperature of the circulating water cooling wheel is 15 ℃, so as to obtain a wet-process polyurethane layer, and the thickness of the wet-process polyurethane layer is 0.23 mm.
In the second step, 60 parts of microsphere foaming expansion powder, 45 parts of aromatic polyurethane resin and 8 parts of toner are mixed, wherein the microsphere foaming expansion powder is sheep-meat resin with the viscosity of 2500-3500 CPS/25 ℃ and the appearance of light yellow liquid, and the volume of the sheep-meat resin can be rapidly expanded to be dozens of times of that of the sheep-meat resin by high temperature of 170-180 ℃, so that the foaming effect is achieved, the aromatic polyurethane resin is dry-process resin with the viscosity of 8-12 ten thousand CPS/25 ℃, the solid content of 29-31%, the elongation at break of 600%, the tensile strength of 55kgf/cm2, the 100% modulus of 30kgf/cm2 and the appearance of light yellow transparent liquid, the performances of the aromatic polyurethane resin and the cold resistance of the dry-process resin are good, and the mixture D is obtained by uniformly stirring in a container;
coating a layer of mixture D on the wet-process polyurethane layer, wherein the coating thickness of the mixture D is 0.15mm, the coating thickness is 0.15mm, and foaming is carried out at the high temperature of 170 ℃;
in the third step, 0.1 part of blue pearlescent toner, 0.2 part of white coarse pearlescent toner and 0.1 part of common white pearlescent toner are added into 100 parts of aqueous highlight treatment agent, the aqueous highlight treatment agent can prevent the surface of PU from yellowing, has natural luster and smooth hand feeling, has the viscosity of 1000-2000 CPS/25 ℃, the yellowing resistance of more than or equal to 4 grade, is milky semitransparent liquid in appearance, is clean, environment-friendly and pollution-free, is uniformly stirred, is coated on a Yangbao carbon black treatment layer through a specific high-solid printing wheel, is a printing wheel with deeper grains, thinner grains and thinner density and stronger grain layering sense, and has strong grain sense on the surface of a printed sample, and the Yangbao carbon black treatment layer is formed by treating a layer of Yangbao carbon black surface treatment agent through a 120-mesh plum wheel and a 180-mesh plum wheel in sequence to ensure that the surface of the foamed Yangbao carbon black has the color tone of the carbon black, and drying in a drying oven at 140 ℃ to obtain the synthetic leather fabric for the finished stage shoes.
To sum up, the utility model discloses with the PU synthetic leather after handling, with pearly-lustre and waterborne highlight finishing agent's mixture coating on it again, can not produce the color migration promptly, be suitable for the manufacturing of stage shoes, the cost is also less than the gurit leather far away.
The utility model discloses a water based finishing agent, cleaner production accords with the requirement of environmental protection, and in the performance, the water based highlight finishing agent that uses compares with oil based finishing agent in gloss and sense of touch and has obvious advantage.
The utility model discloses a to the cooperation of PU synthetic leather surface material and technology, utilize the contrast of synthetic leather surface colour to embody the stage effect, use the collocation of fine hair sense and pearly-lustre bright spot, can highlight the reflection of the different angle light in pearly-lustre bright piece surface more.
The utility model discloses a wet process polyurethane A, have high flesh forming nature, high peel strength, the knurling performance is good, and the wet process polyurethane B of adoption enables wet process polyurethane coating bubble even, lets the wet process polyurethane layer have good elasticity.
The utility model discloses a microballon foaming expansion powder, the volume can expand rapidly and increase to the tens of times of self to reach the foaming effect of ideal.
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 (3)
1. The synthetic leather fabric for the stage shoes is characterized in that: including base cloth layer (1), wet process polyurethane layer (2), mixed coating layer (3), yangbao carbon black processing layer (4) and waterborne pearly layer (5), the coating of wet process polyurethane layer (2) is on base cloth layer (1), the coating of mixed coating layer (3) is on wet process polyurethane layer (2), yangbao carbon black processing layer (4) roller coat is on mixed coating layer (3), waterborne pearly layer (5) high solid printing is on yangbao carbon black processing layer (4).
2. The synthetic leather fabric for stage shoes according to claim 1, wherein: the thickness of the wet-process polyurethane layer (2) is 0.13-0.23 mm.
3. The synthetic leather fabric for stage shoes according to claim 1, wherein: the thickness of the mixed coating layer (3) is 0.12-0.15 mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110629562A (en) * | 2019-11-01 | 2019-12-31 | 清远市齐力合成革有限公司 | Synthetic leather fabric for stage shoes and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110629562A (en) * | 2019-11-01 | 2019-12-31 | 清远市齐力合成革有限公司 | Synthetic leather fabric for stage shoes and preparation method thereof |
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Effective date of registration: 20240709 Address after: 434300 Qingji Industrial Park (Room 301, Office Building of Development Zone Management Committee), Yangjiachang Town, Gong'an County, Jingzhou City, Hubei Province (self declared) Patentee after: Hubei Qili Polymer Materials Co.,Ltd. Country or region after: China Address before: 511500 No.1, Zone C, Xiongxing Industrial Avenue, Qingyuan hi tech Industrial Development Zone, Qingyuan City, Guangdong Province Patentee before: QINGYUAN QILI SYNTHETIC LEATHER Co.,Ltd. Country or region before: China |