Polyurethane surface layer resin for ultrahigh wear-resistant high-overlying shoe material

Abstract

The invention discloses polyurethane surface layer resin for an ultrahigh wear-resistant high-overlying shoe material, and the polyurethane surface layer resin is prepared from the following raw materials: modified polyurethane resin, glycidyl methacrylate, fluoro-polyether modified polysiloxane, a defoaming agent, a stabilizer and mica powder. Modified polyurethane resin with good wear resistance is used as a raw material, fluorine-based polyether modified polysiloxane is added, the surface tension of prepared polyurethane surface layer resin is reduced, leveling of the polyurethane surface layer resin on the surface of the high-lamination shoe material is promoted, the wettability of the surface of the high-lamination shoe material is improved, and shrinkage cavities are prevented; the bonding force between the polyurethane surface layer and the surface of the highly-laminated shoe material can be improved while the polyurethane surface layer resin is further improved, the bonding stability of the polyurethane surface layer resin and the highly-laminated shoe material is ensured, and the service life is prolonged.

Description

Technical Field

[0001] The invention belongs to the field of polyurethane surface layer resin preparation, and particularly relates to a polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials. Background Art

[0002] High-laminated shoe materials are made by gluing together multiple surface materials that can achieve corresponding functional effects, and then using pressure tools to compress each layer of material to achieve a multifunctional effect. The surface of this type of shoe material needs to have high wear resistance to ensure its service life and prevent partial damage to the shoe material. Once damaged, the entire shoe material needs to be replaced, which is costly and needs further improvement. Summary of the Invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a polyurethane surface resin for ultra-high wear-resistant and high-lamination shoe materials.

[0004] The present invention adopts the following technical solutions: A polyurethane surface resin for ultra-high wear-resistant and high-lamination shoe materials, comprising the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2-3 parts of glycidyl methacrylate, 3-5 parts of fluorine-based polyether modified polysiloxane, 1-2 parts of defoaming agent, 2-5 parts of stabilizer, and 6-10 parts of mica powder; The modified polyurethane resin is prepared from the following raw materials in parts by weight: 130-150 parts of poly(1,4-butylene glycol) hexanoate diol, 50-70 parts of polytetramethylene ether diol, 80-120 parts of diphenylmethane diisocyanate, 21-39 parts of a chain extender, 1.2-2.5 parts of a capping agent, 650-800 parts of a solvent, 1.5-2.7 parts of a catalyst, 1.2-1.8 parts of polyethylene glycol methacrylate, 2.7-3.9 parts of diethylenetriamine, 0.8-1.2 parts of vinyl tris(β-methoxyethoxy) silane, and 3.6-5.4 parts of castor oil.

[0005] Furthermore, the preparation method of the modified polyurethane resin comprises the following steps: Step 1: Add the required weight parts of poly(1,4-butylene glycol hexanoate), polytetramethylene ether glycol, and half the amount of solvent to a reactor, stir for 5-10 minutes, add 45-55% of the total amount of diphenylmethane diisocyanate, heat to 75-85° C., add the required weight parts of catalyst, polyethylene glycol methacrylate, and diethylenetriamine, and react at 80-90° C. for 0.5-1 hour to obtain a prepolymer; Step 2: Add a chain extender to the prepolymer obtained in step 1, react at 70-80°C for 0.5-1h, then add the remaining diphenylmethane diisocyanate and the required weight portions of vinyl tris(β-methoxyethoxy)silane and castor oil, and react at 80-90°C for 1.5-2.0h to obtain a prepolymer; Step 3: After the prepolymer obtained in step 2 is cooled to 40-50° C., a required amount of end-capping agent is added by weight, and the mixture is stirred and mixed uniformly. Then, the remaining solvent is added, and the mixture is stirred and mixed uniformly to obtain the modified polyurethane resin.

[0006] Furthermore, the preparation method of the polyurethane surface layer resin is as follows: the required weight parts of modified polyurethane resin and mica powder are added into a stirring kettle, mixed and stirred for 20-30 minutes, and then the required weight parts of fluorine-based polyether modified polysiloxane, defoamer and stabilizer are added in sequence, and mixed and stirred for 10-15 minutes to obtain the polyurethane surface layer resin.

[0007] Furthermore, the chain extender includes 15-27 parts by weight of 3-methyl-1,5-dipentanol and 6-12 parts by weight of triethanolamine.

[0008] Furthermore, the molecular weight of the poly(1,4-butylene hexanoate) diol is 3000-4000, and the molecular weight of the polytetramethylene ether diol is 1000-2000.

[0009] Furthermore, the solvent includes 420-500 parts by weight of N,N-dimethylformamide and 230-300 parts by weight of dimethyl carbonate.

[0010] Furthermore, the catalyst is dibutyltin diisooctoate, and the capping agent is isopropyl alcohol.

[0011] Furthermore, the defoaming agent is defoaming agent F-705.

[0012] As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following beneficial effects: the present application limits the raw material composition of the polyurethane surface layer resin, uses a modified polyurethane resin with good wear resistance as the raw material, adds fluorine-based polyether modified polysiloxane to reduce the surface tension of the prepared polyurethane surface layer resin, promotes the leveling of the polyurethane surface layer resin on the surface of high-laminated shoe materials, improves the wettability of the surface of high-laminated shoe materials, prevents shrinkage holes, and adds mica powder. While further improving the polyurethane surface layer resin, it can also improve the bonding force between the polyurethane surface layer and the surface of the high-laminated shoe materials, ensure the stability of the bonding between the polyurethane surface layer resin and the high-laminated shoe materials, and extend the service life; The raw material composition of the modified polyurethane resin is specifically limited, and polyethylene glycol methacrylate, diethylenetriamine, vinyl tris(β-methoxyethoxy) silane and its chain extender are introduced to form a stable three-dimensional network structure inside the prepared modified polyurethane resin, thereby improving the wear resistance of the obtained modified polyurethane resin. Castor oil is further introduced to be combined with other components, which not only further improves the wear resistance of the modified polyurethane resin, but also improves its flexibility. After it is compounded on the surface of high-laminate shoe materials, it will not affect the softness of the high-laminate shoe materials themselves, thereby affecting the use of the shoe materials. DETAILED DESCRIPTION

[0013] The present invention is further described below through specific embodiments.

[0014] A polyurethane surface resin for ultra-high wear-resistant and high-lamination shoe materials comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2-3 parts of glycidyl methacrylate, 3-5 parts of fluorine-based polyether modified polysiloxane, 1-2 parts of defoaming agent, 2-5 parts of stabilizer, and 6-10 parts of mica powder; wherein the defoaming agent is defoaming agent F-705.

[0015] The preparation method is as follows: the required weight parts of modified polyurethane resin and mica powder are added into a stirring kettle, mixed and stirred for 20-30 minutes, and then the required weight parts of fluorine-based polyether modified polysiloxane, defoamer and stabilizer are added in sequence, and mixed and stirred for 10-15 minutes to obtain the polyurethane surface layer resin; wherein the stirring rate is 1000r / min.

[0016] The modified polyurethane resin is prepared from the following raw materials in parts by weight: 130-150 parts of polyhexanoic acid-1,4-butylene glycol ester diol, 50-70 parts of polytetramethylene ether glycol, 80-120 parts of diphenylmethane diisocyanate, 21-39 parts of chain extender, 1.2-2.5 parts of isopropyl alcohol, 650-800 parts of solvent, 1.5-2.7 parts of dibutyltin diisooctanoate, 1.2-1.8 parts of polyethylene glycol methacrylate, 2.7-3.9 parts of diethylenetriamine, and vinyl tris(β-methoxy)propane. The invention relates to a novel polymerization process for preparing ...

[0017] The preparation method comprises the following steps: Step 1: Add the required weight parts of poly(1,4-butylene glycol hexanoate), polytetramethylene glycol, and half the amount of solvent to a reactor, stir for 5-10 minutes, add 45-55% of the total amount of diphenylmethane diisocyanate, heat to 75-85° C., add the required weight parts of dibutyltin diisooctoate, polyethylene glycol methacrylate, and diethylenetriamine, and react at 80-90° C. for 0.5-1 hour to obtain a prepolymer; Step 2: Add a chain extender to the prepolymer obtained in step 1, react at 70-80°C for 0.5-1h, then add the remaining diphenylmethane diisocyanate and the required weight portions of vinyl tris(β-methoxyethoxy)silane and castor oil, and react at 80-90°C for 1.5-2.0h to obtain a prepolymer; Step 3: After the prepolymer obtained in step 2 is cooled to 40-50° C., the required weight portion of isopropyl alcohol is added and stirred to mix evenly, and then the remaining solvent is added and stirred to mix evenly to obtain the modified polyurethane resin.

[0018] Example 1 A polyurethane surface resin for ultra-high wear-resistant and high-lamination shoe materials comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 3 parts of glycidyl methacrylate, 3 parts of fluorine-based polyether modified polysiloxane, 2 parts of defoaming agent, 5 parts of stabilizer, and 6 parts of mica powder; wherein the defoaming agent is defoaming agent F-705.

[0019] The preparation method is as follows: the required weight parts of modified polyurethane resin and mica powder are added into a stirring kettle, mixed and stirred for 20 minutes, and then the required weight parts of fluorine-based polyether modified polysiloxane, defoamer and stabilizer are added in sequence, mixed and stirred for 15 minutes to obtain the polyurethane surface layer resin; wherein the stirring rate is 1000r / min.

[0020] A modified polyurethane resin is prepared from the following raw materials in parts by weight: 130.8 g of poly(1,4-butylene glycol hexanoate), 68.8 g of polytetramethylene glycol ether, 86.5 g of diphenylmethane diisocyanate, 22.6 g of a chain extender, 1.6 g of isopropyl alcohol, 680 g of a solvent, 2.7 g of dibutyltin diisooctoate, 1.2 g of polyethylene glycol methacrylate, 3.9 g of diethylenetriamine, 0.8 g of vinyltri(β-methoxyethoxy)silane, and 5.4 g of castor oil; wherein the chain extender comprises 15 parts by weight of 3-methyl-1,5-dipentanol and 12 parts by weight of triethanolamine; the molecular weight of poly(1,4-butylene glycol hexanoate) is 3000, and the molecular weight of polytetramethylene glycol ether is 2000; and the solvent comprises 420 parts by weight of N,N-dimethylformamide and 300 parts by weight of dimethyl carbonate.

[0021] The preparation method comprises the following steps: Step 1: Add the required weight parts of poly(1,4-butylene glycol hexanoate), polytetramethylene ether glycol, and half the amount of solvent to a reactor, stir for 5 minutes, add 55% of the total amount of diphenylmethane diisocyanate, heat to 75° C., add the required weight parts of dibutyltin diisooctoate, polyethylene glycol methacrylate, and diethylenetriamine, and react at 80° C. for 1 hour to obtain a prepolymer; Step 2: Add a chain extender to the prepolymer obtained in step 1, react at 70°C for 1 hour, then add the remaining diphenylmethane diisocyanate and the required weight portions of vinyl tris(β-methoxyethoxy)silane and castor oil, and react at 80°C for 1.5 hours to obtain a prepolymer; Step 3: After the prepolymer obtained in step 2 is cooled to 40° C., the required weight portion of isopropyl alcohol is added and stirred to mix evenly, and then the remaining solvent is added and stirred to mix evenly to obtain the modified polyurethane resin.

[0022] Example 2 A polyurethane surface resin for ultra-high wear-resistant and high-lamination shoe materials comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2 parts of glycidyl methacrylate, 5 parts of fluorine-based polyether modified polysiloxane, 1 part of defoamer, 2 parts of stabilizer, and 10 parts of mica powder; wherein the defoamer is defoamer F-705.

[0023] The preparation method is as follows: the required weight parts of modified polyurethane resin and mica powder are added into a stirring kettle, mixed and stirred for 30 minutes, and then the required weight parts of fluorine-based polyether modified polysiloxane, defoamer and stabilizer are added in sequence, mixed and stirred for 10 minutes to obtain the polyurethane surface layer resin; wherein the stirring rate is 1000r / min.

[0024] A modified polyurethane resin is prepared from the following raw materials in parts by weight: 148.6 g of poly(1,4-butylene glycol hexanoate), 51.2 g of polytetramethylene glycol ether, 108.3 g of diphenylmethane diisocyanate, 38.4 g of a chain extender, 2.4 g of isopropyl alcohol, 790 g of a solvent, 1.5 g of dibutyltin diisooctoate, 1.8 g of polyethylene glycol methacrylate, 2.7 g of diethylenetriamine, 1.2 g of vinyltri(β-methoxyethoxy)silane, and 3.6 g of castor oil; wherein the chain extender comprises 27 parts by weight of 3-methyl-1,5-dipentanol and 6 parts by weight of triethanolamine; the molecular weight of poly(1,4-butylene glycol hexanoate) is 3000, and the molecular weight of polytetramethylene glycol ether is 1000; and the solvent comprises 500 parts by weight of N,N-dimethylformamide and 230 parts by weight of dimethyl carbonate.

[0025] The preparation method comprises the following steps: Step 1: Add the required weight parts of poly(1,4-butylene glycol hexanoate), polytetramethylene ether glycol, and half the amount of solvent to a reactor, stir for 10 minutes, add 45% of the total amount of diphenylmethane diisocyanate, heat to 85° C., add the required weight parts of dibutyltin diisooctoate, polyethylene glycol methacrylate, and diethylenetriamine, and react at 90° C. for 0.5 hours to obtain a prepolymer; Step 2: Add a chain extender to the prepolymer obtained in step 1, react at 80° C. for 0.5 h, then add the remaining diphenylmethane diisocyanate and the required weight portions of vinyl tris(β-methoxyethoxy)silane and castor oil, and react at 90° C. for 2.0 h to obtain a prepolymer; Step 3: After the prepolymer obtained in step 2 is cooled to 50° C., the required weight portion of isopropyl alcohol is added and stirred to mix evenly, and then the remaining solvent is added and stirred to mix evenly to obtain the modified polyurethane resin.

[0026] Example 3 A polyurethane surface resin for ultra-high wear-resistant and high-lamination shoe materials comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2.5 parts of glycidyl methacrylate, 4 parts of fluorine-based polyether modified polysiloxane, 1.5 parts of defoaming agent, 3.5 parts of stabilizer, and 8 parts of mica powder; wherein the defoaming agent is defoaming agent F-705.

[0027] The preparation method is as follows: the required weight parts of modified polyurethane resin and mica powder are added into a stirring kettle, mixed and stirred for 25 minutes, and then the required weight parts of fluorine-based polyether modified polysiloxane, defoamer and stabilizer are added in sequence, mixed and stirred for 12 minutes to obtain the polyurethane surface layer resin; wherein the stirring rate is 1000r / min.

[0028] A modified polyurethane resin is prepared from the following raw materials in parts by weight: 140.5 g of poly(1,4-butylene glycol hexanoate), 61.9 g of polytetramethylene glycol ether, 118.2 g of diphenylmethane diisocyanate, 32.6 g of a chain extender, 2.1 g of isopropyl alcohol, 635 g of a solvent, 2.3 g of dibutyltin diisooctoate, 1.5 g of polyethylene glycol methacrylate, 3.2 g of diethylenetriamine, 1.1 g of vinyl tris(β-methoxyethoxy)silane, and 4.2 g of castor oil; wherein the chain extender comprises 27 parts by weight of 3-methyl-1,5-dipentanol and 6 parts by weight of triethanolamine; the molecular weight of poly(1,4-butylene glycol hexanoate) is 4000, and the molecular weight of polytetramethylene glycol ether is 2000; and the solvent comprises 450 parts by weight of N,N-dimethylformamide and 270 parts by weight of dimethyl carbonate.

[0029] The preparation method comprises the following steps: Step 1: Add the required weight parts of poly(1,4-butylene glycol hexanoate), polytetramethylene ether glycol, and half the amount of solvent to a reactor, stir for 8 minutes, add 50% of the total amount of diphenylmethane diisocyanate, heat to 80° C., add the required weight parts of dibutyltin diisooctoate, polyethylene glycol methacrylate, and diethylenetriamine, and react at 85° C. for 0.8 hours to obtain a prepolymer; Step 2: Add a chain extender to the prepolymer obtained in step 1, react at 75° C. for 0.7 h, then add the remaining diphenylmethane diisocyanate and the required weight portions of vinyl tris(β-methoxyethoxy)silane and castor oil, and react at 85° C. for 1.8 h to obtain a prepolymer; Step 3: After the prepolymer obtained in step 2 is cooled to 45° C., the required weight portion of isopropyl alcohol is added and stirred to mix evenly, and then the remaining solvent is added and stirred to mix evenly to obtain the modified polyurethane resin.

[0030] Comparative Example 1 Its raw material composition and preparation method are basically the same as those in Example 3, with the difference being that the polyurethane surface resin for ultra-high wear-resistant and high-overlap shoe materials comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2.5 parts of glycidyl methacrylate, 4 parts of fluoropolyether modified polysiloxane, 1.5 parts of defoaming agent, and 3.5 parts of stabilizer.

[0031] The preparation method is as follows: required weight parts of modified polyurethane resin, required weight parts of fluorine-based polyether modified polysiloxane, defoamer and stabilizer are mixed and stirred for 12 minutes to obtain the polyurethane surface layer resin; wherein the stirring rate is 1000r / min.

[0032] Comparative Example 2 Its raw material composition and preparation method are basically the same as those in Example 3, with the difference being that the polyurethane surface resin for ultra-high wear-resistant and high-overlap shoe materials comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2.5 parts of glycidyl methacrylate, 1.5 parts of defoaming agent, 3.5 parts of stabilizer, and 8 parts of mica powder.

[0033] The preparation method is as follows: adding the required weight parts of modified polyurethane resin and mica powder into a stirring kettle, mixing and stirring for 25 minutes, then adding the required weight parts of defoamer and stabilizer in sequence, mixing and stirring for 12 minutes to obtain the polyurethane surface layer resin.

[0034] Comparative Example 3 The raw material composition and preparation method are basically the same as those in Example 3, except that the modified polyurethane resin does not include polyethylene glycol methacrylate and vinyl tris(β-methoxyethoxy)silane; in the preparation method, the addition steps of these two raw materials are omitted.

[0035] The polyurethane surface resins prepared in Examples 1-3 and Comparative Examples 1-3 were coated on the surface of the high-laminated shoe material with a coating thickness of 0.8 mm. After curing, the required test samples were formed. The obtained test samples were tested. The specific structures are shown in Table 1. The samples were tested for wear resistance according to the wear resistance test standard of ISO5981.

[0036] Table 1 Test data of each embodiment Test items Wear resistance / return Elongation at break / % Example 1 1600 38 Example 2 1745 39 Example 3 1860 42 Comparative Example 1 1203 29 Comparative Example 2 1180 28 Comparative Example 3 980 25 It can be seen from the above table that after the polyurethane surface layer resin of the present application is used for high-laminated shoe materials, the prepared high-laminated shoe materials can have excellent wear resistance and flexibility, and the service life of the high-laminated shoe materials can be extended. Among them, by limiting the raw material composition of the polyurethane surface layer resin, using modified polyurethane resin with good wear resistance as raw material, adding fluorine-based polyether modified polysiloxane to reduce the surface tension of the prepared polyurethane surface layer resin, promoting the leveling of the polyurethane surface layer resin on the surface of the high-laminated shoe material, and improving the wettability of the surface of the high-laminated shoe material, and combining with mica powder, while further improving the polyurethane surface layer resin, it can also improve the bonding force between the polyurethane surface layer and the surface of the high-laminated shoe material, ensuring the polyurethane surface layer The stability of the combination of the resin and the high-laminate shoe material is improved, thereby extending the service life of the high-laminate shoe material; in addition, the raw material composition of the modified polyurethane resin is specifically limited, and polyethylene glycol methacrylate, diethylenetriamine, vinyl tris(β-methoxyethoxy) silane and its chain extender are introduced to form a stable three-dimensional network structure inside the prepared modified polyurethane resin, thereby improving the wear resistance of the obtained modified polyurethane resin, and further introducing castor oil and other components to further improve the wear resistance of the modified polyurethane resin while also improving its flexibility. After it is compounded on the surface of the high-laminate shoe material, it will not affect the softness of the high-laminate shoe material itself, thereby affecting the use of the shoe material.

[0037] The above description is merely a preferred embodiment of the present invention and therefore cannot be used to limit the scope of the present invention. In other words, equivalent changes and modifications made according to the scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials, characterized by: The invention comprises the following raw materials in parts by weight: 100 parts of modified polyurethane resin, 2-3 parts of glycidyl methacrylate, 3-5 parts of fluorine-based polyether modified polysiloxane, 1-2 parts of defoaming agent, 2-5 parts of stabilizer, and 6-10 parts of mica powder; The modified polyurethane resin is prepared from the following raw materials in parts by weight: 130-150 parts of poly(1,4-butylene glycol) hexanoate diol, 50-70 parts of polytetramethylene ether diol, 80-120 parts of diphenylmethane diisocyanate, 21-39 parts of a chain extender, 1.2-2.5 parts of a capping agent, 650-800 parts of a solvent, 1.5-2.7 parts of a catalyst, 1.2-1.8 parts of polyethylene glycol methacrylate, 2.7-3.9 parts of diethylenetriamine, 0.8-1.2 parts of vinyl tris(β-methoxyethoxy) silane, and 3.6-5.4 parts of castor oil.

2. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The preparation method of the modified polyurethane resin comprises the following steps: Step 1: Add the required weight parts of poly(1,4-butylene glycol hexanoate), polytetramethylene ether glycol, and half the amount of solvent to a reactor, stir for 5-10 minutes, add 45-55% of the total amount of diphenylmethane diisocyanate, heat to 75-85° C., add the required weight parts of catalyst, polyethylene glycol methacrylate, and diethylenetriamine, and react at 80-90° C. for 0.5-1 hour to obtain a prepolymer; Step 2: Add a chain extender to the prepolymer obtained in step 1, react at 70-80°C for 0.5-1h, then add the remaining diphenylmethane diisocyanate and the required weight portions of vinyl tris(β-methoxyethoxy)silane and castor oil, and react at 80-90°C for 1.5-2.0h to obtain a prepolymer; Step 3: After the prepolymer obtained in step 2 is cooled to 40-50° C., a required amount of end-capping agent is added by weight, and the mixture is stirred and mixed uniformly. Then, the remaining solvent is added, and the mixture is stirred and mixed uniformly to obtain the modified polyurethane resin.

3. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The preparation method is as follows: the modified polyurethane resin and mica powder in the required weight parts are added into a stirring kettle, mixed and stirred for 20-30 minutes, and then the fluorine-based polyether modified polysiloxane, defoamer and stabilizer in the required weight parts are added in sequence, and mixed and stirred for 10-15 minutes to obtain the polyurethane surface layer resin.

4. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The chain extender comprises 15-27 parts by weight of 3-methyl-1,5-dipentanol and 6-12 parts by weight of triethanolamine.

5. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The molecular weight of the poly(1,4-butylene hexanoate) diol is 3000-4000, and the molecular weight of the polytetramethylene ether diol is 1000-2000.

6. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The solvent includes 420-500 parts by weight of N,N-dimethylformamide and 230-300 parts by weight of dimethyl carbonate.

7. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The catalyst is dibutyltin diisooctoate, and the end-capping agent is isopropyl alcohol.

8. The polyurethane surface layer resin for ultra-high wear-resistant and high-lamination shoe materials according to claim 1, characterized in that: The defoamer is defoamer F-705.