Preparation method of high-performance fiber composite material for anti-cutting gloves

Abstract

The invention discloses a preparation method of a high-performance fiber composite material for anti-cutting gloves, and belongs to the technical field of manufacturing of anti-cutting gloves, and the high-performance fiber composite material comprises PAN-based carbon fiber precursors, flexible metal wires, a curing agent, heat-resistant polyamide fibers, fluorine-containing rubber, silicone rubber-containing treating fluid and friction particle treating fluid raw materials. The PAN-based carbon fiber precursor and the heat-resistant polyamide fiber are heated and mixed, the flexible metal wire is added into the mixture, so that the heat resistance and the strength of the high-performance fiber are improved, and the mixed high-performance fiber is immersed into the fluorine-containing rubber solution, so that the strength of the fiber is remarkably enhanced; the surface, making contact with the skin, of the high-performance fiber composite material is made of the silicone rubber containing treating fluid, softness and comfort are guaranteed, meanwhile, the anti-static effect can be guaranteed, external materials of the high-performance fiber composite material for manufacturing the glove make contact with the friction particle treating fluid, and therefore the exterior has the good anti-skid and anti-cutting effects.

Description

Technical Field

[0001] The invention relates to the technical field of cut-resistant gloves manufacturing, and in particular to a method for preparing a high-performance fiber composite material for cut-resistant gloves. Background Art

[0002] Gloves are hand warming or labor protection products, and are also used for decoration. However, in addition to the traditional gloves, the current gloves have a deeper meaning, which is very different from the traditional gloves. With the development of the times, people's requirements for gloves are getting higher and higher. Protective gloves are people's addition of some special materials on the basis of the original gloves to further enhance the protective function of the gloves. As the most important labor protection product in daily and industrial operations, gloves have strict quality requirements, especially in the field of metal cutting, the quality of gloves is particularly important. At present, there are many types of anti-cut gloves, and most of them use high-strength polyethylene or steel wire and other materials to enhance their anti-cut effect. However, although the above materials meet the anti-cut effect, the anti-cut effect is unsatisfactory. This is mainly because most of the existing anti-cut gloves are made of nylon fibers as raw materials. Metals are added to the nylon fibers to enhance their anti-cut effect. Although this can enhance the anti-cut effect, it causes the gloves to be uncomfortable to wear, have poor anti-static effect and poor anti-slip effect. Conventionally used nylon fibers cannot meet the needs of anti-cut gloves at all. For this reason, a preparation method of a high-performance fiber composite material for anti-cut gloves is proposed. Summary of the invention

[0003] The purpose of the present invention is to solve the problem that most of the existing cut-resistant gloves are made of nylon fibers as raw materials, and metal is added to the nylon fibers to enhance their cut-resistant effect. Although this can enhance the cut-resistant effect, it causes the gloves to be uncomfortable to wear, have poor anti-static effect and poor anti-slip effect. A method for preparing a high-performance fiber composite material for cut-resistant gloves is proposed. The method adopts a silicone rubber treatment liquid on the side of the high-performance fiber composite material in contact with the skin to ensure softness and comfort while ensuring the anti-static effect. The external material of the high-performance fiber composite material for manufacturing the gloves is in contact with the friction particle treatment liquid, so that the outside has good anti-slip and anti-cut effects.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A method for preparing a high-performance fiber composite material for cut-resistant gloves comprises the following steps:

[0006] S1. Material preparation: PAN-based carbon fiber precursor, flexible metal wire, curing agent, heat-resistant polyamide fiber, fluorine-containing rubber, silicone-containing rubber treatment liquid, friction particle treatment liquid;

[0007] S2. Material processing: cutting the flexible metal wire into segments, arranging the PAN-based carbon fiber precursor and the heat-resistant polyamide fiber in a hexagonal fiber arrangement mode to form a mixed fiber cloth, cutting the fluororubber into particles, mixing the curing agent with the fluororubber, and heating the curing agent and the fluororubber to above 300°C to melt them into a fluororubber solution;

[0008] S3, pre-processing: heating a mixed fiber fabric composed of PAN-based carbon fiber precursor and heat-resistant polyamide fiber, adding a flexible metal wire into the heated mixed fiber fabric, and immersing the heated mixed fiber fabric into a fluorine-containing rubber solution, taking out the mixed fiber fabric and cooling it to a predetermined temperature;

[0009] S4, surface treatment: when the mixed fiber fabric treated in S3 is cooled to a predetermined temperature, the back side of the mixed fiber fabric is placed in a silicone rubber treatment liquid so that the back side of the mixed fiber fabric is immersed in the silicone rubber treatment liquid, and the front side of the mixed fiber fabric is placed in a friction particle treatment liquid so that the front side of the mixed fiber fabric is immersed in the friction particle treatment liquid.

[0010] Preferably, the silicone rubber treatment liquid in S1 is a rubber containing silicon in the main chain, and its melting temperature is 200° C. The silicone rubber treatment liquid is always a molten liquid above 200° C. and has good electrical insulation.

[0011] Preferably, the friction particle treatment solution in S1 is composed of epoxy resin and heat-resistant rubber particles, and its melting temperature is 200°C. The friction particle treatment solution is always in a molten liquid above 200°C. When the epoxy resin is cooled to room temperature, the heat-resistant rubber particles will be firmly attached to the surface of the mixed fiber cloth.

[0012] Preferably, the hexagonal fiber arrangement mode in S2 is the most economical and effective arrangement mode. As the fiber volume fraction increases, the residual stress of the composite material gradually shows anisotropy.

[0013] Preferably, the melting temperature of the fluorine-containing rubber in S2 is above 300° C., and the curing agent needs to be stirred by a stirring device after melting with the fluorine-containing rubber so that the two are evenly mixed.

[0014] Preferably, in S3, the flexible metal wires are laid flat on the surface of the mixed fiber cloth after the heating treatment, and the flexible metal wires are regularly and evenly distributed along the fiber axis.

[0015] Preferably, the predetermined temperature in S3 should be ensured to be around 200°C, ensuring that the temperature difference with the silicone rubber treatment liquid and the friction particle treatment liquid is less than 20°C.

[0016] Preferably, in said S4, when the front and back surfaces of the mixed fiber cloth are immersed in the silicone rubber treatment liquid and the friction particle treatment liquid respectively, it is necessary to avoid that the mixed fiber cloth is completely immersed therein, and ensure that only one side of the mixed fiber cloth is immersed therein.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. This method heats and mixes PAN-based carbon fiber precursor with heat-resistant polyamide fiber, and adds flexible metal wire thereto, so as to increase the heat resistance and strength of the high-performance fiber, and immerses the mixed high-performance fiber into a fluorine-containing rubber solution to significantly enhance the fiber strength.

[0019] 2. By using a silicone rubber treatment liquid on the side of the high-performance fiber composite material that contacts the skin, it ensures softness and comfort while also ensuring an anti-static effect. The outer material of the high-performance fiber composite material used to make the gloves is in contact with the friction particle treatment liquid, giving the exterior a good anti-slip and anti-cut effect. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] A method for preparing a high-performance fiber composite material for cut-resistant gloves comprises the following steps:

[0022] Material preparation: PAN-based carbon fiber precursor, flexible metal wire, curing agent, heat-resistant polyamide fiber, fluorine-containing rubber, silicone rubber treatment liquid, friction particle treatment liquid;

[0023] Among them, fluorine-containing rubber is used, which has excellent physical property stability and high temperature resistance up to 300°C. It is the best elastomer currently. Fluorine rubber also has good aging resistance and unexpectedly excellent mechanical properties. Generally, the strength of fluorine rubber is between 15.0 and 25MPa, the elongation is between 200% and 600%, and the tear strength is between 2 and 7MPa. Fluorine rubber has good electrical properties and low air permeability. It is resistant to high temperature, oil, high vacuum, acid and alkali, and a variety of chemicals.

[0024] Material processing: Cut the flexible metal wire into segments, arrange the PAN-based carbon fiber precursor and the heat-resistant polyamide fiber in a hexagonal fiber arrangement mode to make a mixed fiber cloth, cut the fluororubber into particles, mix the curing agent with the fluororubber, and heat the curing agent and the fluororubber to above 300°C to melt them into a fluororubber solution;

[0025] Pre-processing: heat-treating a mixed fiber fabric composed of PAN-based carbon fiber precursor and heat-resistant polyamide fiber, adding a flexible metal wire into the heated mixed fiber fabric, and immersing the heated mixed fiber fabric into a fluorine-containing rubber solution, taking out the mixed fiber fabric and cooling it to a predetermined temperature;

[0026] Surface treatment: When the mixed fiber fabric after S3 treatment is cooled to a predetermined temperature, the back side of the mixed fiber fabric is placed in a silicone rubber treatment liquid so that the back side of the mixed fiber fabric is immersed in the silicone rubber treatment liquid, and the front side of the mixed fiber fabric is placed in a friction particle treatment liquid so that the front side of the mixed fiber fabric is immersed in the friction particle treatment liquid.

[0027] The silicone rubber treatment liquid is a rubber with silicon elements in the main chain, and its melting temperature is 200℃. The silicone rubber treatment liquid is always in a molten liquid above 200℃, and has good electrical insulation. The friction particle treatment solution is composed of epoxy resin and heat-resistant rubber particles, and its melting temperature is 200℃. The friction particle treatment liquid is always in a molten liquid above 200℃. When the epoxy resin is cooled to room temperature, the heat-resistant rubber particles will firmly adhere to the surface of the mixed fiber fabric, making the outer surface of the gloves evenly and irregularly distributed with heat-resistant rubber particles, thereby effectively improving the anti-slip effect of the gloves;

[0028] The hexagonal fiber arrangement mode is the most economical and effective arrangement mode. With the increase of fiber volume fraction, the residual stress of the composite material gradually shows anisotropy. The melting temperature of fluororubber is above 300℃. After the curing agent is melted with the fluororubber, it needs to be stirred by a stirring device to make the two mixed evenly. Among them, the curing agent is a kind of substance or mixture that promotes or controls the curing reaction. Resin curing is a process in which thermosetting resin undergoes irreversible changes through chemical reactions such as condensation, ring closure, addition or catalysis. Curing is completed by adding a curing (cross-linking) agent; curing agent is an indispensable additive. Whether it is used as an adhesive, coating, or castable, curing agent must be added, otherwise the epoxy resin cannot be cured.

[0029] The flexible metal wire is laid flat on the surface of the mixed fiber fabric after heat treatment, and the flexible metal wire is regularly and evenly distributed along the fiber axis. The predetermined temperature must be guaranteed to be around 200°C, ensuring that the temperature difference with the silicone rubber treatment liquid and the friction particle treatment liquid is less than 20°C. The flexible metal wire evenly distributed therein can effectively enhance the anti-cut effect of the high-performance fiber composite material, wherein the flexible metal wire is made of aluminum foil as the main material.

[0030] When the front and back sides of the mixed fiber fabric are immersed in the silicone rubber treatment liquid and the friction particle treatment liquid respectively, avoid immersing the entire mixed fiber fabric in them, and ensure that only one side of the mixed fiber fabric is immersed, thereby ensuring that the side of the high-performance fiber composite material used to make the gloves that contacts the skin uses the silicone rubber treatment liquid, ensuring softness and comfort while also ensuring the anti-static effect, and the external material of the high-performance fiber composite material used to make the gloves is in contact with the friction particle treatment liquid, so that the outside has good anti-slip and anti-cut effects.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A method for preparing a high-performance fiber composite material for cut-resistant gloves, characterized in that: The following steps are involved: S1. Material preparation: PAN-based carbon fiber precursor, flexible metal wire, curing agent, heat-resistant polyamide fiber, fluorine-containing rubber, silicone-containing rubber treatment liquid, friction particle treatment liquid; S2. Material processing: cutting the flexible metal wire into segments, arranging the PAN-based carbon fiber precursor and the heat-resistant polyamide fiber in a hexagonal fiber arrangement mode to form a mixed fiber cloth, cutting the fluororubber into particles, mixing the curing agent with the fluororubber, and heating the curing agent and the fluororubber to above 300°C to melt them into a fluororubber solution; S3, pre-processing: heating a mixed fiber fabric composed of PAN-based carbon fiber precursor and heat-resistant polyamide fiber, adding a flexible metal wire into the heated mixed fiber fabric, and immersing the heated mixed fiber fabric into a fluorine-containing rubber solution, taking out the mixed fiber fabric and cooling it to a predetermined temperature; S4, surface treatment: when the mixed fiber fabric treated in S3 is cooled to a predetermined temperature, the back side of the mixed fiber fabric is placed in a silicone rubber treatment liquid so that the back side of the mixed fiber fabric is immersed in the silicone rubber treatment liquid, and the front side of the mixed fiber fabric is placed in a friction particle treatment liquid so that the front side of the mixed fiber fabric is immersed in the friction particle treatment liquid.

2. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: The silicone rubber treatment liquid in S1 is a rubber with silicon element in the main chain, and its melting temperature is 200° C. The silicone rubber treatment liquid is always a molten liquid above 200° C. and has good electrical insulation.

3. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: The friction particle treatment solution in S1 is composed of epoxy resin and heat-resistant rubber particles, and its melting temperature is 200°C. The friction particle treatment solution is always in a molten liquid above 200°C. When the epoxy resin cools to room temperature, the heat-resistant rubber particles will firmly adhere to the surface of the mixed fiber cloth.

4. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: The hexagonal fiber arrangement mode in S2 is the most economical and effective arrangement mode. As the fiber volume fraction increases, the residual stress of the composite material gradually shows anisotropy.

5. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: The melting temperature of the fluorine-containing rubber in S2 is above 300° C. After the curing agent and the fluorine-containing rubber are melted, they need to be stirred by a stirring device so that the two are evenly mixed.

6. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: In S3, the flexible metal wires are laid flat on the surface of the mixed fiber cloth after the heating treatment, and the flexible metal wires are regularly and evenly distributed along the fiber axis.

7. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: The predetermined temperature in S3 must be ensured to be around 200° C., ensuring that the temperature difference with the silicone rubber treatment liquid and the friction particle treatment liquid is less than 20° C.

8. The method for preparing a high-performance fiber composite material for cut-resistant gloves according to claim 1, characterized in that: When the front and back surfaces of the mixed fiber cloth in S4 are immersed in the silicone rubber treatment liquid and the friction particle treatment liquid respectively, it is necessary to avoid immersing the entire mixed fiber cloth therein, and ensure that only one side of the mixed fiber cloth is immersed therein.