CN114045595B - Antistatic and anti-electromagnetic radiation composite fabric and preparation method thereof - Google Patents

Abstract

The invention discloses an antistatic and electromagnetic radiation-proof composite fabric and a preparation method thereof, belonging to the technical field of anti-radiation and electrostatic fabrics, wherein the composite fabric is prepared by blending A material yarn and B material yarn, wherein the A material yarn is modified nylon material yarn and comprises the following components in parts by weight: 5-10 parts of nylon 6 spinning solution, 5-8 parts of micro-nano shielding filler particles, 2-4 parts of sodium alginate gel and 1-5 parts of plasticizer. According to the invention, the influence of the spinning size on the tensile stress is favorably reduced by the introduced spiral blowing gas, the spinning yield is effectively improved, the oil stain resistance of the fabric is improved, the tensile strength and the integral antistatic and electromagnetic radiation resisting effects are further improved by the gel state blending modification of the carbon nanofiber crystal yarns and the nickel-plated copper powder, the load treatment of the nickel-plated copper powder is realized by the carbon nanofiber crystal yarns, and the durability and the oil stain resistance of the composite fabric after blending are further improved.

Description

Antistatic anti-electromagnetic radiation composite fabric and preparation method thereof

technical field

The invention belongs to the technical field of anti-radiation electrostatic fabrics, and in particular relates to an antistatic anti-electromagnetic radiation composite fabric and a preparation method thereof.

Background technique

Electromagnetic radiation refers to the phenomenon that electromagnetic waves generated by the interactive changes of electric field and magnetic field are emitted into the air.” With the wide application of modern technology today, there are many sources of electromagnetic radiation pollution that are often encountered in daily life, such as mobile phones used as communication equipment, office equipment Computers, printers, fax machines, TVs, microwave ovens, refrigerators, etc. as household appliances, microwave communication stations, TV transmitters, radar systems, high-voltage wires, etc. as urban construction facilities. Finally, it is easy to generate static electricity and affect nearby electrical appliances. Therefore, how to realize the shielding treatment of electromagnetic radiation and static electricity is gradually being paid attention to.

Chinese patent document CN102371708A discloses a mesh multi-layer electromagnetic radiation composite fabric, which overcomes the shortcomings of heavy weight, poor moisture absorption and breathability, weak radiation protection, and poor comfort in the prior art. A net-like multi-layer electromagnetic radiation composite fabric fabric, which not only makes the fabric meet the needs of its special net-like light weight, but due to its moisture absorption and air permeability, oil stains easily enter the inner layer of the fabric during daily use, which in turn leads to the spinning of the inner net. The holes are filled with grease, resulting in an increase in resistivity, which affects the conduction shielding effect on electromagnetic radiation;

Among them, the Chinese patent document CN103469578A also discloses a preparation method of an anti-ultraviolet and anti-electromagnetic radiation textile fabric, which is characterized in that: the PEDOT/PSS water dispersion is added to the water-soluble polyurethane solution after being shaken and dispersed, and the fabric base cloth is placed at room temperature. The PEDOT/PSS mixed aqueous solution is pad-rolled on the fabric through two dipping and two-rolling processes under the same conditions, and the excess rate of the fabric is 60% to 80%; the padded fabric is placed in a high-temperature oven for drying to obtain PEDOT/PS coated fabrics with UV protection against electromagnetic radiation, but because its water-soluble substrate is easily splashed and immersed in water, the substrate will easily affect the strength of the intermolecular structure and the overall durability when it is immersed in water, so it cannot have good performance. durable life.

Contents of the invention

The purpose of the present invention is: in order to solve the problem that oil stains are easy to enter the inner layer of the fabric and the base material is easily immersed by water splashes when it is used, and the base material is easy to affect the strength of the intermolecular structure when immersed in water, an antistatic anti-static Electromagnetic radiation composite fabric and its preparation method.

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

An antistatic and anti-electromagnetic radiation composite fabric, the composite fabric is made by blending A material yarn and B material yarn, and the A material yarn is a modified nylon material yarn, which is composed of the following components by weight: nylon 6 5-10 parts of spinning solution, 5-8 parts of micro-nano shielding filler particles, 2-4 parts of sodium alginate gel, 1-5 parts of plasticizer;

The material wire B is a modified nano-carbon fiber crystal wire, which is composed of the following components in parts by weight: 2-5 parts of nickel-plated copper powder particles, 5-10 parts of nano-carbon fiber, 1-3 parts of coagulant and 10-10 parts of solvent. 15 servings.

As a further description of the above technical solution:

The solvent is one or a combination of acetic acid solution, calcium nitrate, methanol, and ethanol.

As a further description of the above technical solution:

The micro-nano shielding filler particles are silver-loaded alumina filler particles.

As a further description of the above technical solution:

A method for preparing an antistatic and anti-electromagnetic radiation composite fabric, specifically comprising the following steps:

S101, the preparation of modified nylon filament of material A, the nylon 6 monomer is added into the corresponding solvent to prepare nylon 6 spinning solution, and at the same time, the plasticizer of the formula amount is slowly dripped in, and after being fully mixed, set aside for later use. Add the corresponding micro-nano shielding filler particles into the formula amount of sodium alginate gel for loading and mixing, fully mix the micro-nano shielding filler particles and sodium alginate gel with a magnetic stirrer, and wait for the temperature to rise in the gel state sodium alginate. After the micro-nano shielding filler particles are fully mixed and dispersed, the stirring is stopped, and the gel solution is sent into the extruder to be fully mixed with the nylon 6 spinning solution. After mixing, the prepared modified nylon 6 spinning solution is electrospun At the same time, the spiral air flow is introduced during electrospinning, and after the cooling of nylon 6 spinning, winding and winding are carried out to wait for spinning;

S102, the preparation of B material modified nano-carbon fiber crystal filaments, the nano-carbon fibers of the formula amount are cut and soaked in the aqueous solution of p-aminobenzidine after heating for 24 hours, and a small amount of NaOH is added for catalysis, and the treated carbon fibers are put into After soaking in the acetic acid solution, wash them with distilled water and absolute ethanol respectively, and put them into a drying box for drying for later use. Add phosphorus pentoxide dropwise to the calcium nitrate and alcohol solution, and after it turns into a gel state, add A certain amount of carbon fiber gel is fully mixed and then passed through the extruder and nickel-plated copper powder is added to co-extrude the nano-carbon fiber crystal filaments, which are fully dried and wound up to wait for spinning;

S103. Connecting the prepared filament A and filament B to the warp and weft spinning machine for spinning, and cutting to obtain a composite fabric after spinning.

As a further description of the above technical solution:

The aqueous solution of p-aminobenzidine has a gravity percentage of 2wt%, and the temperature of the p-aminobenzidine solution is 70°C.

As a further description of the above technical solution:

The mass ratio of the aqueous solution of p-aminobenzidine to carbon fiber in S102 is 50:1.

As a further description of the above technical solution:

The concentration of the phosphorus pentoxide is 4mol/L.

As a further description of the above technical solution:

The temperature of the oven in S102 is 70-80°C.

In summary, owing to adopting above-mentioned technical scheme, the beneficial effect of the present invention is:

In the present invention, the loading and mixing of sodium alginate gel and micro-nano shielding filler particles can realize the mixing of silver-loaded alumina fillers. Silver-loaded alumina can improve the antibacterial ability of fabrics while reducing surface resistivity, effectively improving the resistance of fabrics. Electrostatic ability and electromagnetic shielding effect, at the same time, the mixed electrospinning of nylon 6 and gel-state micro-nano shielding filler particles can improve the load binding strength, and it is beneficial to reduce the influence of spinning size through the spiral purge gas. to the tensile stress, effectively improve the spinning yield, and at the same time improve the oil resistance of the fabric, and further improve the tensile strength and overall antistatic Electromagnetic radiation effect, and the loading treatment of nickel-plated copper powder is realized through nano-carbon fiber crystal filaments, which further improves the durability and oil resistance of the composite fabric after blending.

Detailed ways

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. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Example 1

The present invention provides a technical solution: an antistatic and anti-electromagnetic radiation composite fabric, the composite fabric is made by blending A material yarn and B material yarn, and the A material yarn is a modified nylon material yarn, which consists of the following components: Composition in parts by weight: 5 parts of nylon 6 spinning solution, 5 parts of micro-nano shielding filler particles, 2 parts of sodium alginate gel, and 1 part of plasticizer;

The B material filament is a modified nano-carbon fiber crystal filament, which is composed of the following components in parts by weight: 2 parts of nickel-plated copper powder particles, 5 parts of nano-carbon fiber, 1 part of coagulant and 10 parts of solvent, and the solvent is acetic acid One or a combination of solution, calcium nitrate, methanol, and ethanol, the micro-nano shielding filler particles are silver-loaded alumina filler particles;

A method for preparing an antistatic and anti-electromagnetic radiation composite fabric, specifically comprising the following steps:

S101, the preparation of modified nylon filament of material A, the nylon 6 monomer is added into the corresponding solvent to prepare nylon 6 spinning solution, and at the same time, the plasticizer of the formula amount is slowly dripped in, and after being fully mixed, set aside for later use. Add the corresponding micro-nano shielding filler particles into the formula amount of sodium alginate gel for loading and mixing, fully mix the micro-nano shielding filler particles and sodium alginate gel with a magnetic stirrer, and wait for the temperature to rise in the gel state sodium alginate. After the micro-nano shielding filler particles are fully mixed and dispersed, the stirring is stopped, and the gel solution is sent into the extruder to be fully mixed with the nylon 6 spinning solution. After mixing, the prepared modified nylon 6 spinning solution is electrospun At the same time, the spiral air flow is introduced during electrospinning, and after the cooling of nylon 6 spinning, winding and winding are carried out to wait for spinning;

S102, the preparation of B material modified nano-carbon fiber crystal filaments, the nano-carbon fibers of the formula amount are cut and soaked in the aqueous solution of p-aminobenzidine after heating for 24 hours, and a small amount of NaOH is added for catalysis, and the treated carbon fibers are put into After soaking in the acetic acid solution, wash them with distilled water and absolute ethanol respectively, and put them into a drying box for drying for later use. Add phosphorus pentoxide dropwise to the calcium nitrate and alcohol solution, and after it turns into a gel state, add A certain amount of carbon fiber gel is fully mixed and then passed through the extruder and nickel-plated copper powder is added to co-extrude the nano-carbon fiber crystal filaments, which are fully dried and wound up to wait for spinning;

S103. Connecting the prepared material filaments A and B to the warp and weft spinning machine for spinning, and cutting to obtain a composite fabric after spinning;

Wherein, the aqueous solution of p-aminobenzidine has a gravity percentage of 2wt%, and the temperature of the p-aminobenzidine solution is 70°C, and the mass ratio of the aqueous solution of p-aminobenzidine to carbon fiber in S102 is 50:1, and the five The concentration of phosphorus oxide is 4mol/L, and the temperature of the oven in S102 is 70-80°C.

The implementation method is as follows: after the carbon fiber gel is added with gel-state calcium nitrate and alcohol solution, the calcium nitrate can be wrapped outside the carbon fiber gel to improve the tensile strength and elastic properties of the carbon fiber gel. The rear internal tight gap realizes the full mixing of nickel-plated copper powder.

Example 2

The present invention provides a technical solution: an antistatic and anti-electromagnetic radiation composite fabric, the composite fabric is made by blending A material yarn and B material yarn, and the A material yarn is a modified nylon material yarn, which consists of the following components: Composition in parts by weight: 7 parts of nylon 6 spinning solution, 6 parts of micro-nano shielding filler particles, 3 parts of sodium alginate gel, and 3 parts of plasticizer;

The material wire B is a modified nano-carbon fiber crystal wire, which consists of the following components in parts by weight: 3 parts of nickel-plated copper powder particles, 7 parts of nano-carbon fiber, 2 parts of coagulant and 12 parts of solvent, and the solvent is acetic acid One or a combination of solution, calcium nitrate, methanol, and ethanol, the micro-nano shielding filler particles are silver-loaded alumina filler particles;

A method for preparing an antistatic and anti-electromagnetic radiation composite fabric, specifically comprising the following steps:

S101, the preparation of modified nylon filament of material A, the nylon 6 monomer is added into the corresponding solvent to prepare nylon 6 spinning solution, and at the same time, the plasticizer of the formula amount is slowly dripped in, and after being fully mixed, set aside for later use. Add the corresponding micro-nano shielding filler particles into the formula amount of sodium alginate gel for loading and mixing, fully mix the micro-nano shielding filler particles and sodium alginate gel with a magnetic stirrer, and wait for the temperature to rise in the gel state sodium alginate. After the micro-nano shielding filler particles are fully mixed and dispersed, the stirring is stopped, and the gel solution is sent into the extruder to be fully mixed with the nylon 6 spinning solution. After mixing, the prepared modified nylon 6 spinning solution is electrospun At the same time, the spiral air flow is introduced during electrospinning, and after the cooling of nylon 6 spinning, winding and winding are carried out to wait for spinning;

S102, the preparation of B material modified nano-carbon fiber crystal filaments, the nano-carbon fibers of the formula amount are cut and soaked in the aqueous solution of p-aminobenzidine after heating for 24 hours, and a small amount of NaOH is added for catalysis, and the treated carbon fibers are put into After soaking in the acetic acid solution, wash them with distilled water and absolute ethanol respectively, and put them into a drying box for drying for later use. Add phosphorus pentoxide dropwise to the calcium nitrate and alcohol solution, and after it turns into a gel state, add A certain amount of carbon fiber gel is fully mixed and then passed through the extruder and nickel-plated copper powder is added to co-extrude the nano-carbon fiber crystal filaments, which are fully dried and wound up to wait for spinning;

S103. Connecting the prepared material filaments A and B to the warp and weft spinning machine for spinning, and cutting to obtain a composite fabric after spinning;

Wherein, the aqueous solution of p-aminobenzidine has a gravity percentage of 2wt%, and the temperature of the p-aminobenzidine solution is 70°C, and the mass ratio of the aqueous solution of p-aminobenzidine to carbon fiber in S102 is 50:1, and the five The concentration of phosphorus oxide is 4mol/L, and the temperature of the oven in S102 is 70-80°C.

Example 3

The present invention provides a technical solution: an antistatic and anti-electromagnetic radiation composite fabric, the composite fabric is made by blending A material yarn and B material yarn, and the A material yarn is a modified nylon material yarn, which consists of the following components: Composition in parts by weight: 10 parts of nylon 6 spinning solution, 8 parts of micro-nano shielding filler particles, 4 parts of sodium alginate gel, and 5 parts of plasticizer;

The material wire B is a modified nano-carbon fiber crystal wire, which is composed of the following components in parts by weight: 5 parts of nickel-plated copper powder particles, 10 parts of nano-carbon fiber, 3 parts of coagulant and 15 parts of solvent, and the solvent is acetic acid One or a combination of solution, calcium nitrate, methanol, and ethanol, the micro-nano shielding filler particles are silver-loaded alumina filler particles;

A method for preparing an antistatic and anti-electromagnetic radiation composite fabric, specifically comprising the following steps:

S101, the preparation of modified nylon filament of material A, the nylon 6 monomer is added into the corresponding solvent to prepare nylon 6 spinning solution, and at the same time, the plasticizer of the formula amount is slowly dripped in, and after being fully mixed, set aside for later use. Add the corresponding micro-nano shielding filler particles into the formula amount of sodium alginate gel for loading and mixing, fully mix the micro-nano shielding filler particles and sodium alginate gel with a magnetic stirrer, and wait for the temperature to rise in the gel state sodium alginate. After the micro-nano shielding filler particles are fully mixed and dispersed, the stirring is stopped, and the gel solution is sent into the extruder to be fully mixed with the nylon 6 spinning solution. After mixing, the prepared modified nylon 6 spinning solution is electrospun At the same time, the spiral air flow is introduced during electrospinning, and after the cooling of nylon 6 spinning, winding and winding are carried out to wait for spinning;

S102, the preparation of B material modified nano-carbon fiber crystal filaments, the nano-carbon fibers of the formula amount are cut and soaked in the aqueous solution of p-aminobenzidine after heating for 24 hours, and a small amount of NaOH is added for catalysis, and the treated carbon fibers are put into After soaking in the acetic acid solution, wash them with distilled water and absolute ethanol respectively, and put them into a drying box for drying for later use. Add phosphorus pentoxide dropwise to the calcium nitrate and alcohol solution, and after it turns into a gel state, add A certain amount of carbon fiber gel is fully mixed and then passed through the extruder and nickel-plated copper powder is added to co-extrude the nano-carbon fiber crystal filaments, which are fully dried and wound up to wait for spinning;

S103. Connecting the prepared material filaments A and B to the warp and weft spinning machine for spinning, and cutting to obtain a composite fabric after spinning;

Wherein, the aqueous solution of p-aminobenzidine has a gravity percentage of 2wt%, and the temperature of the p-aminobenzidine solution is 70°C, and the mass ratio of the aqueous solution of p-aminobenzidine to carbon fiber in S102 is 50:1, and the five The concentration of phosphorus oxide is 4mol/L, and the temperature of the oven in S102 is 70-80°C.

Fabrics prepared according to Examples 1-3, commercially available anti-radiation fabrics and antistatic fabrics are respectively functional tests for Comparative Example 12, firstly test volume resistivity and immerse in oil and water for oil absorption test, soak for 24h test Gravity rate of change, the results are as follows:

It can be seen from the above table that the elastic fiber content in Example 2 is consistent, has good gap filling ability, effectively improves the resistance capacity with external oil and water, and has moderate volume conductance, so Example 2 is a preferred implementation of the present invention. example;

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (7)

1. A preparation method of antistatic and anti-electromagnetic radiation composite fabric, characterized in that, said composite fabric is made by blending A material yarn and B material yarn, and said A material yarn is a modified nylon material yarn, consisting of the following The components are composed by parts by weight: 5-10 parts of nylon 6 spinning solution, 5-8 parts of micro-nano shielding filler particles, 2-4 parts of sodium alginate gel, and 1-5 parts of plasticizer; The material wire B is a modified nano-carbon fiber crystal wire, which is composed of the following components in parts by weight: 2-5 parts of nickel-plated copper powder particles, 5-10 parts of nano-carbon fiber, 1-3 parts of coagulant and 10-10 parts of solvent. 15 copies; The preparation method of the antistatic anti-electromagnetic radiation composite fabric specifically comprises the following steps: S101, the preparation of modified nylon filament of material A, the nylon 6 monomer is added into the corresponding solvent to prepare nylon 6 spinning solution, and at the same time, the plasticizer of the formula amount is slowly dripped in, and after being fully mixed, set aside for later use. Add the corresponding micro-nano shielding filler particles into the formula amount of sodium alginate gel for loading and mixing, fully mix the micro-nano shielding filler particles and sodium alginate gel with a magnetic stirrer, and wait for the temperature to rise in the gel state sodium alginate. After the micro-nano shielding filler particles are fully mixed and dispersed, the stirring is stopped, and the gel solution is sent into the extruder to be fully mixed with the nylon 6 spinning solution. After mixing, the prepared modified nylon 6 spinning solution is electrospun At the same time, the spiral air flow is introduced during electrospinning, and after the cooling of nylon 6 spinning, winding and winding are carried out to wait for spinning; S102, the preparation of B material modified nano-carbon fiber crystal filaments, the nano-carbon fibers of the formula amount are cut and soaked in the aqueous solution of p-aminobenzidine after heating for 24 hours, and a small amount of NaOH is added for catalysis, and the treated carbon fibers are put into After soaking in the acetic acid solution, wash them with distilled water and absolute ethanol respectively, and put them into a drying box for drying for later use. Add phosphorus pentoxide dropwise to the calcium nitrate and alcohol solution, and after it turns into a gel state, add A certain amount of carbon fiber gel is fully mixed and then passed through the extruder and nickel-plated copper powder is added to co-extrude the nano-carbon fiber crystal filaments, which are fully dried and wound up to wait for spinning; S103. Connecting the prepared filament A and filament B to the warp and weft spinning machine for spinning, and cutting to obtain a composite fabric after spinning. 2. The preparation method of a kind of antistatic and anti-electromagnetic radiation composite fabric according to claim 1, wherein the solvent is one or a combination of acetic acid solution, calcium nitrate, methanol, and ethanol. 3. The preparation method of an antistatic and anti-electromagnetic radiation composite fabric according to claim 1, wherein the micro-nano shielding filler particles are silver-loaded alumina filler particles. 4. the preparation method of a kind of antistatic anti-electromagnetic radiation composite fabric according to claim 1, is characterized in that, the aqueous solution of described p-aminobenzidine is that gravity percentage is 2wt%, and p-aminobenzidine solution temperature is 70°C. 5. The preparation method of an antistatic and anti-electromagnetic radiation composite fabric according to claim 1, wherein the mass ratio of the aqueous solution of p-aminobenzidine to carbon fiber in S102 is 50:1. 6. The preparation method of an antistatic and anti-electromagnetic radiation composite fabric according to claim 1, wherein the concentration of phosphorus pentoxide in the S102 is 4-6 mol/L. 7 . The method for preparing an antistatic and anti-electromagnetic radiation composite fabric according to claim 1 , wherein the temperature of the drying oven in S102 is 70-80° C.