Multi-sensing homogeneous organic gel material for treading yeast and preparation method of multi-sensing homogeneous organic gel material

Abstract

The invention relates to the technical field of treading yeast gel shoe cover processes, in particular to a multi-sensing homogeneous organic gel material for treading yeast and a preparation method of the multi-sensing homogeneous organic gel material. According to the homogeneous organic gel, polypropylene oxide is used as a dispersion medium, and functionalized polypropylene oxide is used as a gelator. The homogeneous organic gel is thermodynamically stable, has gel structure stability under the action of temperature change or mechanical stress, also has good physical and mechanical properties, can meet the requirements of wearing strength and service life of a human body, and meanwhile, human body perceptual force is extended through the material, so that the material has perceptual transmission capabilities such as tactile sensation, temperature and the like; the raw material components of the gel are insoluble in water and ethanol and cannot migrate and segregate in the yeast treading and kicking use process, a complex and tedious separation and purification process is not needed in the preparation process, a plasticizer and harmful metal ions are not contained, and the gel not only can be used as skin protection equipment, but also can be used as limb extension, and has potential application in the yeast treading food industry.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of the process of stepping and kneading gel shoe cover, in particular to a multi-sensing homogeneous organic gel material for stepping and kneading and a preparation method thereof. BACKGROUND

[0002] Gel is a soft solid composed of a continuous three-dimensional network (such as a polymer chain network or a particle skeleton) and a large amount of fluid (such as water, oil or ionic liquid), which can maintain a macroscopic shape and has significant viscoelastic properties. However, a large number of existing gels are of a heterogeneous (non-homogeneous) structure, and there are composition or phase state differences in the nanometer to micrometer scale. This heterogeneity helps to provide energy consumption and strong and tough structure units, but the dispersion medium (liquid phase) and the three-dimensional network material (solid phase) of the traditional heterogeneous organic gel are different substances, and their structures and compositions are different, which leads to insufficient thermodynamic stability or temporary equilibrium state, and the structure is easily destroyed under temperature change or stress alternation. In addition, it often brings problems such as non-uniformity of mechanical and interfacial properties, appearance fluctuation, sensitive processing window, and long-term use of dispersion medium / low molecular migration, surface stickiness and performance degradation.

[0003] Based on the above trade-off, in recent years, the design concept of "homogeneous gel" has been proposed, which refers to achieving a single continuous phase or a narrow grid size distribution within a certain scale range (usually greater than several tens of nanometers to sub-micron scale), and reducing the influence of significant phase separation on macroscopic performance. Compared with typical heterogeneous gels, homogeneous / near-homogeneous gels are often more consistent in terms of friction and adhesion stability, swelling and predictability of mechanical response, and performance retention after cleaning / disinfection cycles. However, the dispersion medium of existing homogeneous gels is mostly small molecular alcohol or water, which may escape under cyclic stress or long-term use. The stepping process needs to withstand mechanical stress for a long time, and the material stability and safety requirements are strict. These problems make it difficult for existing homogeneous gels to adapt to this scenario.

[0004] Secondly, the sole of the human foot has countless sweat glands, and the foot is often in a humid environment, which is easy to breed bacteria; and too much keratin on the foot can also cause bacteria to breed, emitting more odor. This makes some people have some complaints about traditional "light" foot stepping, which has a certain negative impact. Therefore, patents CN215103131U and CN201610782097.5 invented a stepping device simulating human feet to replace manual stepping, but this kind of mechanical stepping cannot perceive the shape, temperature and pressure of the step. The results of the comparative study of manual stepping and mechanical stepping by Lin Pei et al. show that manual stepping is superior to mechanical step-making in terms of influencing the aroma degree of the step, the smoothness of the cross section and the sensory indicators of the leather, and is more beneficial to water retention of the step base and improvement of starch utilization. Therefore, manual stepping has irreplaceable advantages.

[0005] Therefore, in view of the shortcomings of existing artificial treading and gel materials, there is an urgent need to develop a new homogeneous organic gel material with multiple sensing capabilities, which can be made into protective foot covers for use in treading and kicking. Summary of the Invention

[0006] To address the aforementioned deficiencies or improvement needs of existing technologies, this invention proposes a multi-sensor homogeneous organic gel material for flexural applications and its preparation method. Specifically, this invention uses a high-molecular-weight trifunctional polypropylene oxide that is insoluble in water and alcohols as the dispersion medium, and simultaneously uses the same high-molecular-weight trifunctional polypropylene oxide modified with terminal hydroxyl groups to form trisiloxane groups as a gelling agent to construct a thermodynamically stable phase, thereby obtaining a novel non-aqueous homogeneous polymeric gel material. The technical solution of this invention is implemented as follows: In a first aspect, the present invention provides an end-group modifier having the following general formula structure: Where x and y are integers, x = 4~6, y = 3~4, and R includes CH3 or C2H5.

[0007] Specifically, one end of the end-group modifier is an isocyanate group that undergoes a grafting reaction with the hydroxyl group in the trifunctional polypropylene oxide; the other end is a trisiloxane group, which serves as a crosslinking site for the gelling agent, and this group only requires a small amount of water to initiate the crosslinking reaction; considering the cost and source of raw materials, x=4~6, y=3~4, and R includes CH3 or C2H5.

[0008] Preferably, x=6, y=3, and R is C2H5.

[0009] Preferably, x=5, y=4, and R is C2H5.

[0010] Preferably, x=4, y=4, and R is CH3.

[0011] In a second aspect, the present invention provides a method for preparing the end-group modifier described in the first aspect, comprising the following steps: reacting an aminosilane with an aliphatic diisocyanate to obtain the end-group modifier.

[0012] Preferably, the molar ratio of the aminosilane to the aliphatic diisocyanate is 1:1.

[0013] More preferably, the aminosilane includes 3-aminopropyltriethoxysilane, 4-aminobutyltriethoxysilane, or 4-aminopropyltrimethoxysilane; and the aliphatic diisocyanate includes hexamethylene diisocyanate, pentamethylene diisocyanate, or tetramethylene diisocyanate.

[0014] Thirdly, the present invention provides the application of the end-group modifier described in the first aspect in the preparation of gelling agents.

[0015] Fourthly, the present invention provides a method for preparing a gelling factor, comprising the following steps: reacting a trifunctional polyoxypropylene oxide with the end-group modifier described in the first aspect to obtain the gelling factor.

[0016] Preferably, the molar ratio of isocyanate groups in the end-group modifier to hydroxyl groups in the trifunctional polyoxypropylene is 1:1.

[0017] More preferably, the trifunctional polypropylene oxide has a molecular weight of 5000 to 50000.

[0018] Specifically, the trifunctional polyoxypropylene has a molecular weight of 5,000 to 50,000. If the molecular weight is less than 5,000, the gelling agent has a small molecular weight and cannot guarantee the strength of the gel; if the molecular weight is greater than 50,000, the viscosity is too high during the preparation of the gelling agent, which is not conducive to the reaction.

[0019] Fifthly, the present invention provides a gelling factor obtained by the preparation method described in the fourth aspect, which has the following general formula structure: Where x and y are integers, x=4~6, y=3~4, R includes CH3 or C2H5, and n is the degree of polymerization of polypropylene oxide.

[0020] In a sixth aspect, the present invention provides a homogeneous organic gel, the raw material components of which include the gelling agent described in the fifth aspect and trifunctional polyoxypropylene.

[0021] Preferably, the trifunctional polypropylene oxide has the same molecular weight as the trifunctional polypropylene oxide described in the fourth aspect, which is 5000~50000.

[0022] Specifically, the trifunctional polypropylene oxides in the third and fourth aspects are chosen to have the same molecular weight. This is because the same molecular weight ensures good compatibility between the dispersion medium and the gelling agent, which is key to obtaining a homogeneous gel.

[0023] In a seventh aspect, the present invention provides a method for preparing the homogeneous organic gel described in the sixth aspect, comprising the following steps: mixing a gelling agent with trifunctional polyoxypropylene oxide uniformly, and adding water to solidify to obtain the homogeneous organic gel.

[0024] Preferably, the gelling agent accounts for 10% to 70% of the total mass of the gelling agent and the trifunctional polyoxypropylene oxide.

[0025] Specifically, the ratio of the gelling factor to the total mass of the gelling factor and the trifunctional polyoxypropylene oxide is the solid content, that is, the solid content of the homogeneous organic gel is preferably 10% to 70%.

[0026] More preferably, the amount of water added is 0.05% to 0.8% of the solid content.

[0027] More preferably, the curing temperature is 25~120℃.

[0028] Eighthly, the present invention provides the application of the homogeneous organic gel described in the sixth aspect in the process of preparing flexed gel shoe covers.

[0029] Compared with the prior art, the advantages of the present invention are as follows: (1) From the perspective of bionics, this invention simulates the tissue structure of biological macromolecules on the human body and innovatively develops a new homogeneous organic gel material with multiple senses. Polypropylene oxide is used as the dispersion medium and functionalized polypropylene oxide is used as the gel factor (gel skeleton) to form a homogeneous organic gel, which is then prepared into a protective foot cover for use in treading and kicking.

[0030] (2) The present invention uses liquid polymer as dispersion medium and modified homopolymer as three-dimensional network solid phase structure (gel factor) to construct a new thermodynamically stable gel material, which solves the problem of structural stability of gel material under temperature change or mechanical stress, meets the strength and life requirements of gel material as human wearable material, and extends human perception through protective foot cover material, so that the material has the ability to transmit tactile, temperature and other senses.

[0031] (3) During the use of treading and kicking, the homogeneous gel material of the present invention mainly comes into contact with water and low content ethanol. Since its components are insoluble in water and ethanol and are thermodynamically stable, molecular migration and segregation will not occur.

[0032] (4) The aliphatic diisocyanate and aminosilane reactants of the end-group modifier of the present invention can react with the hydroxyl groups present in large quantities in the system without any residue. Therefore, there is no need for complicated and cumbersome separation and purification processes. Furthermore, the system does not contain any plasticizers or harmful metal ions. The material itself is non-toxic and meets food safety requirements. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1 This invention relates to the end-group modifier and its synthetic route for preparing gelling agents. Detailed Implementation

[0035] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0036] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Furthermore, in the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0037] In this document, the terms “containing,” “comprising,” or “including” are open-ended expressions, meaning they include the contents specified in this invention but do not exclude other aspects.

[0038] In this document, the terms “optional,” “optionally,” or “optional” generally refer to an event or condition that may, but may not, occur, and the description includes both cases in which the event or condition occurs and cases in which the event or condition does not occur.

[0039] It should be noted that this invention first synthesizes an end-group modifier, which is composed of aliphatic long chains, with one end containing an isocyanate group and the other end containing a trisiloxane group. Based on this, this invention synthesizes a gelling agent, which is a trifunctional polypropylene oxide polymer chain end-capped with the above-mentioned end groups. The synthesis method of the end-group modifier is to mix aminosilane and aliphatic diisocyanate at a molar ratio of 1:1 and react them uniformly. The product does not require separation and purification. Similarly, the gelling agent is prepared by uniformly mixing the end-group modifier with trifunctional polypropylene oxide, and also does not require separation and purification of the product.

[0040] Furthermore, using the aforementioned end-functionalized polypropylene oxide as a gelling agent and polypropylene oxide as a dispersion medium, and utilizing the silicon-oxygen end groups as crosslinking points, a non-aqueous homogeneous organic gel can be formed through hydrolysis, crosslinking, and curing in a small amount of water. The dispersion medium and solid framework of this homogeneous organic gel are both composed of polypropylene oxide structures. This homogeneous structure endows the gel with more stable properties, especially in terms of resistance to thermal shock, mechanical shock, and fatigue. In addition, this homogeneous organic gel can be used as a wearable material. Due to its homogeneous structure, it has significant advantages in sensing force and temperature, and can not only be used as a wearable device to protect the body but also as an extension of human limb perception, applied to applications such as treading and kicking.

[0041] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0042] All materials used in this invention were purchased from the market. Among them, 3-aminopropyltriethoxysilane, 4-aminobutyltriethoxysilane and 4-aminopropyltrimethoxysilane were purchased from Nanjing Tengchuan Co., Ltd.; hexamethylene diisocyanate, pentamethylene diisocyanate and tetramethylene diisocyanate were purchased from Shandong Tonglan Chemical Co., Ltd.; and trifunctional polyepoxypolypropylene was purchased from Shanghai Jizhi Biochemical Technology Co., Ltd.

[0043] Preparation Example 1 This preparation example provides a method for synthesizing an end-group modifier and a gelling factor. The synthetic route is as follows: Figure 1 As shown, where x=6, y=3, and R is C2H5, the specific steps include the following: (1) All raw materials were dehydrated and pretreated with molecular sieves; the pretreated 3-aminopropyltriethoxysilane (221.37 g, 1 mol) and hexamethylene diisocyanate (168.19 g, 1 mol) were added to a 500 ml three-necked flask, mechanically stirred, and reacted at room temperature for 3 h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 10000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the gel factor.

[0044] Preparation Example 2 This preparation example provides a method for synthesizing an end-group modifier and a gelling factor. The synthetic route is as follows: Figure 1 As shown, where x=6, y=3, and R is C2H5, the specific steps include the following: (1) All raw materials were dehydrated and pretreated with molecular sieves; the pretreated 3-aminopropyltriethoxysilane (221.37 g, 1 mol) and hexamethylene diisocyanate (168.19 g, 1 mol) were added to a 500 ml three-necked flask, mechanically stirred, and reacted at room temperature for 3 h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 5000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the gel factor.

[0045] Preparation Example 3 This preparation example provides a method for synthesizing an end-group modifier and a gelling factor. The synthetic route is as follows: Figure 1 As shown, where x=6, y=3, and R is C2H5, the specific steps include the following: (1) All raw materials were dehydrated and pretreated with molecular sieves; the pretreated 3-aminopropyltriethoxysilane (221.37 g, 1 mol) and hexamethylene diisocyanate (168.19 g, 1 mol) were added to a 500 ml three-necked flask, mechanically stirred, and reacted at room temperature for 3 h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 50000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the gel factor.

[0046] Preparation Example 4 This preparation example provides a method for synthesizing an end-group modifier and a gelling agent, wherein x=5, y=4, and R is C2H5, and specifically includes the following steps: (1) All raw materials were dehydrated and pretreated with molecular sieves; the pretreated 4-aminobutyltriethoxysilane (235.39 g, 1 mol) and pentamethylene diisocyanate (154.16 g, 1 mol) were added to a 500 ml three-necked flask, mechanically stirred, and reacted at room temperature for 3 h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 8000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the gel factor.

[0047] Preparation Example 5 This preparation example provides a method for synthesizing an end-group modifier and a gelling agent, wherein x=4, y=4, and R is CH3, and specifically includes the following steps: (1) Dehydrate and pretreat all raw materials with molecular sieves; add the pretreated 4-aminopropyltrimethoxysilane (179.30g, 1mol) and tetramethylene diisocyanate (140.16g, 1mol) to a 500ml three-necked flask, stir mechanically, and react at room temperature for 3h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 8000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the gel factor.

[0048] Comparative Preparation Example 1 This comparative preparation example provides a method for synthesizing an end-group modifier and a comparative gelling factor. The synthetic route is as follows: Figure 1 As shown, where x=6, y=3, and R is C2H5, the specific steps include the following: (1) All raw materials were dehydrated and pretreated with molecular sieves; the pretreated 3-aminopropyltriethoxysilane (221.37 g, 1 mol) and hexamethylene diisocyanate (168.19 g, 1 mol) were added to a 500 ml three-necked flask, mechanically stirred, and reacted at room temperature for 3 h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 2000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the comparative gel factor.

[0049] Comparative Preparation Example 2 This comparative preparation example provides a method for synthesizing an end-group modifier and a comparative gelling factor. The synthetic route is as follows: Figure 1 As shown, where x=6, y=3, and R is C2H5, the specific steps include the following: (1) All raw materials were dehydrated and pretreated with molecular sieves; the pretreated 3-aminopropyltriethoxysilane (221.37 g, 1 mol) and hexamethylene diisocyanate (168.19 g, 1 mol) were added to a 500 ml three-necked flask, mechanically stirred, and reacted at room temperature for 3 h to obtain the end-group modifier. (2) The raw materials were prepared with a molar ratio of hydroxyl groups of trifunctional polyoxypropylene and isocyanate groups of end-group modifier at 1:1. The end-group modifier was added to the pretreated trifunctional polyoxypropylene (molecular weight 55000) and reacted at 70°C for 12 h to obtain functionalized polyoxypropylene. No separation and purification were required to obtain the comparative gel factor.

[0050] Example 1 This embodiment provides a homogeneous organic gel and its preparation method, with a solid content of 20%, specifically including the following steps: Take a 150ml beaker and add 20g of the gelling agent from Preparation Example 1 to 80g of trifunctional polyepoxy polypropylene, the molecular weight of which is also 10000. After mechanical stirring and mixing evenly, add 0.02g of water, stir evenly, and place in a 100℃ oven. After curing for 3 hours, a homogeneous organic gel is obtained.

[0051] According to the national standard GB / T 1040.2-2006, the elongation at break and compressive strength were tested, and the elongation at break of the homogeneous organic gel prepared in Example 1 reached 600% and the compressive strength was 20 MPa.

[0052] Example 2 This embodiment provides a homogeneous organic gel and its preparation method, with a solid content of 45%, specifically including the following steps: Take a 150ml beaker and add 45g of the gelling agent from Preparation Example 1 to 55g of trifunctional polyepoxy polypropylene with the same molecular weight of 10000. Stir mechanically and mix evenly. Then add 0.03g of water and stir evenly. Place the mixture in an oven at 110℃ and cure for 1.5h to obtain a homogeneous organic gel.

[0053] Its elongation at break reaches 500%, and its compressive strength is 27 MPa.

[0054] This invention independently designed a sensitivity tester consisting of a unidirectional pressure sensor, a test rod, and an electro-hydraulic servo motor; through sensitivity (sensing) testing, the results show that when the applied stress is above 5 N, the detected stress is close to the applied stress, demonstrating excellent micro-stress transmission capability.

[0055] Example 3 This embodiment provides a homogeneous organic gel and its preparation method, with a solid content of 70%, specifically including the following steps: Take a 150ml beaker, add 70g of the gelling agent from Preparation Example 1 to 30g of trifunctional polyepoxy polypropylene with the same molecular weight of 10000, mechanically stir, mix evenly, add 0.04g of water, stir evenly, and place in a 120℃ oven. After curing for 30min, a homogeneous organic gel is obtained.

[0056] The abrasion resistance of the gel material was tested using an Akron abrasion tester according to GB / T 1689-2014 standard, and the abrasion value was 0.89 cm. 3 The results showed that it had good wear resistance.

[0057] Example 4 This embodiment provides a homogeneous organic gel and its preparation method, with a solid content of 10%, specifically including the following steps: Take a 150ml beaker, add 10g of the gelling agent from Preparation Example 1 to 90g of trifunctional polyepoxy polypropylene, the molecular weight of which is also 10000. After mechanical stirring and mixing evenly, add 0.04g of water, stir evenly, and place in a 100℃ oven. After curing for 4 hours, a homogeneous organic gel is obtained.

[0058] The gel prepared in this embodiment has an elongation at break of 6630% and a compressive strength of 18 MPa. The deformation capacity of a 2 mm thick gel film under low stress (locked at 5.88 N) was tested, and the results showed that the film thickness was reduced to 0.2 mm, which meets the application requirements.

[0059] Example 5 This embodiment provides a homogeneous organic gel and its preparation method, which differs from Example 1 in that the molecular weight of the polyepoxy polypropylene is [specific details missing]. The specific steps include: Take a 150ml beaker and add 10g of the gelling agent from Preparation Example 2 to 90g of trifunctional polyepoxy polypropylene, the molecular weight of which is also 5000. After mechanical stirring and mixing evenly, add 0.04g of water, stir evenly, and place in a 100℃ oven. After curing for 4 hours, a homogeneous organic gel is obtained.

[0060] According to the national standard GB / T 1040.2-2006, the elongation at break and compressive strength were tested, and the elongation at break of the homogeneous organic gel prepared in Example 1 reached 800% and the compressive strength was 11 MPa.

[0061] Example 6 This embodiment provides a homogeneous organic gel and its preparation method, which differs from Example 1 in that the molecular weight of the polyepoxy polypropylene is [specific details missing]. The specific steps include: Take a 150ml beaker and add 10g of the gelling agent from Preparation Example 3 to 90g of trifunctional polyepoxy polypropylene, the molecular weight of which is also 50,000. After mechanical stirring and mixing evenly, add 0.04g of water, stir evenly, and place in a 100℃ oven. After curing for 4 hours, a homogeneous organic gel is obtained.

[0062] According to the national standard GB / T 1040.2-2006, the elongation at break and compressive strength were tested, and the elongation at break of the homogeneous organic gel prepared in Example 1 reached 300% and the compressive strength was 27 MPa.

[0063] Comparative Example 1 This comparative example provides a comparative homogeneous organic gel and its preparation method, with a solid content of 5%, specifically including the following steps: Take a 150ml beaker, add 5g of the gelling agent from Preparation Example 1 to 95g of trifunctional polyepoxy polypropylene with the same molecular weight of 8000, mechanically stir, mix evenly, add 0.04g of water, stir evenly, and place in a 40℃ oven. After curing for 30min, a homogeneous organic gel is obtained.

[0064] At this point, the compressive strength of the gel material was 6 MPa, indicating a relatively soft overall performance. This is because the degree of cross-linking in the gel network is low at low solid content. Further investigation revealed that gelation fails when the solid content is less than 5%, as there are insufficient cross-linking points to form a three-dimensional network structure, thus preventing gelation.

[0065] Comparative Example 2 This embodiment provides a comparative homogeneous organic gel and its preparation method, with a solid content of 80%, specifically including the following steps: Take a 150ml beaker, add 80g of the gelling agent from Preparation Example 1 to 20g of trifunctional polyepoxy polypropylene with the same molecular weight of 8000, mechanically stir, mix evenly, add 0.04g of water, stir evenly, and place in a 40℃ oven. After curing for 30min, a homogeneous organic gel is obtained.

[0066] The measured wear was 1.24 cm. 3 The results indicate that as the solid content increases further, the wear resistance decreases. This is because the increased solid content leads to a higher degree of cross-linking in the gel material, making it harder and more brittle. Therefore, considering all performance indicators, homogeneous gels with a solid content between 10% and 70% exhibit superior performance.

[0067] Comparative Example 3 This comparative example provides a comparative homogeneous organic gel and its preparation method, using the comparative gelling factor from Comparative Preparation Example 1, with a solid content of 20%, and specifically includes the following steps: Take a 150ml beaker and add 20g of the gelling agent from Comparative Preparation Example 1 to 80g of trifunctional polyepoxy polypropylene, the molecular weight of which is also 2000. After mechanical stirring and mixing evenly, add 0.04g of water, stir evenly, and place in a 40℃ oven. After curing for 30min, a homogeneous organic gel is obtained.

[0068] The gel prepared in this comparative example has low strength and cannot meet the requirements for wearability.

[0069] Comparative Example 4 This comparative example provides a comparative homogeneous organic gel and its preparation method, using the comparative gelling factor from Comparative Preparation Example 1, with a solid content of 20%, and specifically includes the following steps: Take a 150ml beaker and add 20g of the gelling agent from Comparative Preparation Example 2 to 80g of trifunctional polyepoxy polypropylene, the molecular weight of which is also 55000. After mechanical stirring and mixing evenly, add 0.04g of water, stir evenly, and place in a 40℃ oven. After curing for 30min, a homogeneous organic gel is obtained.

[0070] The gel prepared in this comparative example was too hard, resulting in reduced sensory perception.

[0071] Application Example 1 This application example provides an injection molding process for homogeneous organogel shoe covers, including the following steps: First, prepare a homogeneous organic non-aqueous organic gel with a solid content of 20%. Take a 150ml beaker and add 20g of the modified polyepoxy polypropylene (gel factor) from Preparation Example 1 to 80g of trifunctional polyepoxy polypropylene. The molecular weight of the polyepoxy polypropylene is 10000. After mechanical stirring and mixing evenly, add 0.02g of water and stir evenly. Then, put it into a shoe cover mold. The mold temperature is 120℃. After curing for 5 minutes, a homogeneous organic gel flexing shoe cover is obtained.

[0072] The embodiments described above are some, but not all, of the embodiments of the present invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

Claims

1. An end group modifier, characterized by The end group modifier has the following general structure: ; wherein x, y are integers, x = 4-6, y = 3-4, R includes CH3 or C2H5.

2. A method for producing the end group modifier as claimed in claim 1, characterized by, The method comprises the following steps: reacting an amino silane and an aliphatic diisocyanate to obtain the end-group modifier.

3. Use of the end-group modifier according to claim 1 in preparing a gelator.

4. A method of preparing a gelfactor, characterized by, The method comprises the following steps: reacting a trifunctional polypropylene oxide and the end-group modifier according to claim 1 to obtain the gelator.

5. The production method according to claim 4, wherein The molar ratio of the isocyanate groups in the end-group modifier to the hydroxyl groups in the trifunctional polypropylene oxide is 1:

1.

6. A gel factor obtainable by the process according to any one of claims 4 to 5, characterized in that, has the general structure: ; wherein x, y are integers, x = 4-6, y = 3-4, R includes CH3 or C2H5, and n is the polymerization degree of the polypropylene oxide.

7. A homogeneous organic gel, characterized in that, The raw material components comprise the gelator according to claim 6 and a trifunctional polypropylene oxide.

8. A process for the preparation of a homogeneous organic gel as claimed in claim 7, characterized in that, The method comprises the following steps: uniformly mixing the gelator and the trifunctional polypropylene oxide, and adding water to solidify the homogeneous organic gel.

9. The homogeneous organic gel of claim 7, wherein, The gelator accounts for 10%-70% of the total mass of the gelator and the trifunctional polypropylene oxide.

10. Use of the homogeneous organic gel according to claim 7 in preparing a process for making a tread gel shoe cover.

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