WO2015178569A1 - Method for manufacturing conductive/heat-generating polymer for manufacturing heat-generating yarn - Google Patents

Abstract

The present invention relates to manufacturing of a heat-generating yarn to be applied to a heat-generating body used for bedding, for fomenting and sauna facilities, for various types of dryers, for heating films and heating boards, for heating devices, or for heat-preserving clothes. More specifically, the present invention relates to a method for manufacturing conductive and heat-generating polymer for manufacturing a heat-generating yarn having uniform conductance and excellent physical properties and mass productiveness, and to a method for manufacturing a heat-generating yarn using the same and using a heat-generating yarn manufacturing device, which uses an extrusion device.

Description

Method for manufacturing conducting / heating polymer for the production of exothermic yarn

The present invention relates to the manufacture of a heating yarn for applying to a heating element used for bedding, steaming and sauna facilities or various dryers, heating films and heating boards, heating devices or clothing for thermal insulation, has a uniform conductivity and properties And it relates to a method for producing a conductive and pyrogenic polymer for producing a heat generating yarn excellent in mass production, and a method for producing a heat generating yarn manufactured by a heat generating yarn manufacturing apparatus using a extrusion device to produce a heat generating yarn using the same.

Many heating elements are disclosed for use in facilities such as bedding, steaming and saunas, various dryers, heating films, heating boards, heating devices, and clothing for clothes.

An example of such a heating element is a planar heating element manufactured by coating a film with a solution formed by disposing an insulating coating on the surface of an electric heating wire, or by dispersing conductive carbon and a thermoplastic or thermosetting resin in a solvent, or manufacturing a planar heating element, It is used by applying a dry heating yarn coated on the yarn surface to the weft or warp yarn of the fiber.

In particular, the heating element by applying such a heat yarn to the weft of the fiber is composed of a plane, there is little fear of shear due to the physical coupling between the heating wire and the metal wire for the electricity supply is excellent in the heat generation performance and the situation is high utilization.

In general, when the exothermic yarn is manufactured by an embodiment known to have excellent conductivity using a liquid coating method as described above, there is a problem in that the thermal properties are excellent while the physical properties and mass production properties are inferior.

That is, an example of a method of manufacturing a heating yarn using a conventional liquid coating method will be described. The heating yarn is subjected to a series of methods that are manufactured by passing a yarn through a yarn in a state in which a conductive material is dispersed in a solution in which a polymer material is dissolved. Getting

In addition, a method of coating the solution on a film such as PET, PP, PETG, PE, NYLON, or PBT is disclosed.

The film is adhered to a low-resistance metal wire such as copper wire and coated with a conductive coating solution or coated with a conductive solution, and then energized with the copper wire. The metal, copper, and film are energized through the copper wire and are heated. Alternatively, the thermal coefficient of thermal expansion of the conductive polymer material may be different, and the thermal phenomenon of thermal expansion may be inevitably caused by the cracking of the coating due to the difference in thermal coefficient of thermal expansion or repeated use.

As such, sparks are generated due to a short circuit between the copper wire and the heating element, and thus durability of the product is remarkably reduced.

In order to compensate for this, there is an attempt to reduce the probability of short-circuit by coating Ag solution on the copper wire, but in this case, durability may be improved, but a short circuit phenomenon between the copper wire and the heating element may be inevitable due to the difference in thermal expansion coefficient. do.

In addition, a conductive resin prepared by dissolving a thermoplastic resin in an oligomer or a solvent having a liquid form in the preliminary thermal curing step and administering a conductive material such as conductive carbon, carbon nanotube (CNT), carbon fiber, silver nano or copper nano. There is disclosed a method of coating a solution on a thread and coating / drying a single or multiple times through a hole of a predetermined size to improve conductivity.

In the process of manufacturing the exothermic yarn through the above method, the solvent having a volatility is dried in the process of drying the coated yarn, and there is a problem in that environmental pollutants are emitted.

In addition, it is necessary to install a drying line to achieve the drying process, and in order to increase the mass productivity of the product, the drying line has to be installed for a long time, thereby increasing the cost of equipment, thereby increasing the production cost. Is pointed out.

In addition, as an attempt to reduce the drying line in an attempt to solve the above problems may be proposed to shorten the drying line by using a solvent having a higher volatility, in which case the viscosity of the solution according to the production time Since the amount of solids to be coated is gradually changed to change, there is a problem that the electrical conductivity or calorific value is continuously changed, there is a problem that it is difficult to maintain a constant quality to reduce the reliability of the product.

In addition, there is a problem that voids are generated during the evaporation of the solvent, the strength of the coating for imparting conductivity is significantly lowered, and the phenomenon of crushing occurs during the weaving process, which also dilutes the value as a product.

In addition, it is possible to propose a conductive heating yarn that is made by adding CNT (carbon nanotube) to polypropylene, dispersing by extrusion kneading, producing a conductive polymer, spinning, and splicing it, which is used due to weak tensile strength. There are many restrictions.

Therefore, the present invention is to solve the above problems, to block the generation of environmental pollutants generated in the solution during the production of exothermic yarn, fatigue accumulation due to the difference in linear expansion coefficient and repeated impact, due to the crack of the conductive layer due to the impact A method of manufacturing a conductive polymer for producing a heating yarn, a method of manufacturing a heating yarn using the same, and a device and the same, which are manufactured from the same, to prevent degradation of durability and improve the quality reliability of a product without changing the viscosity of a solution. The purpose is to provide this excellent heat generating yarn.

The present invention for achieving the above object,

It includes a thermoplastic rubber in which a physical supplement made of EPDM (Ethylene Propylene Terpolymers), NBR (acrylonitrile-butadiene rubber), and an antioxidant made of a Phenolic Antioxidants-based primary antioxidant and a Phosphite Antioxidants-based secondary antioxidant ABS (acrylonitrile-butadiene- styrene copolymer), HIPS (high impact polystyrene), PP (polypropylene), PE (polyethylene), PET (polyethylene terephthalate), PETG (polyethylene terephthalate glycol), Nylon, PBT (Polybutylene Terephthalate), Teflon, Silicone, Urethane, PVC (Polyvinyl Chloride), SBS (Styrene-Butadiene-Styrene Block Copolymer), MS-SAN (Methyl methacrylate-Styrene-Acrylo) Any one of nitrile) -based thermoplastics, conductive carbon, conductive CF (carbon fiber), CNT (carbon nanotube), silver nano, copper nano, and PTC (Pos) the conductive filler selected from any one of itive temperature coefficient), an internal lubricant composed of EBA (ethylbisamide), and an external lubricant composed of Teflon wax (TEFLON), followed by kneading and stirring, followed by thermoplastic mixing in the kneaded stirring state. Disclosed is a method for producing a conductive / pyrogenic polymer for producing a exothermic yarn, wherein the resin is obtained by maintaining a resin uniformly dispersed through an extruder.

In another aspect, the present invention, by adding a conductive carbon and a thermosetting agent to a pre-polyester-type thermosetting resin, the dispersion by extrusion through a primary extruder at a temperature that does not cure, and the thermosetting resin liquid extruded and dispersed in the primary extruder to a secondary extruder After dispersing in the secondary, the coating surface of the seal passing through the die provided in the second extruder and then heat-cured by hot air drying to obtain a heat generating yarn using a conductive / heating polymer, characterized in that Initiate.

The exothermic yarn disclosed by the method of manufacturing the exothermic yarn using the conductive / pyrogenic polymer prepared by the present invention can suppress the generation of gases harmful to the human body and the environment during the manufacturing process, and there is no volatilized dispersion medium so that the conductivity of the product is high. Since there is no gap phenomenon due to volatilization and no phenomenon such as crushing occurs in the process of weaving using the exothermic yarn according to the present invention, a product having a uniform conductivity can be obtained, thereby improving the reliability of the product, Accordingly, excellent physical properties and mass production of the product, and economic effects that can significantly reduce the production cost of the product can be expected.

Figure 1 shows each component ratio and the like by each Example and Comparative Examples that can be compared thereto.

Best Mode for Carrying Out the Invention

Physical supplements composed of EPDM (Ethylene Propylene Terpolymers) and NBR (acrylonitrile-butadiene rubber); Including thermoplastic rubber mixed with a primary antioxidant consisting of Phenolic Antioxidants and an antioxidant consisting of Phosphite Antioxidants secondary, ABS (Acrylonitrile-Butadiene-Styrene Copolymer), HIPS (Hiimppe-Poly) Styrene), PP (polypropylene), PE (polyethylene), PET (polyethylene terephthalate), PETG (polyethylene terephthalate glycol), nylon, PBT (polybutylene terephthalate), teflon, silicone, urethane, PVC (polyvinyl) Thermoplastic resins of any one of chromide), SBS (Styrene-Butadiene-Styrene Block Copolymer), and MS-SAN (Methylmethacrylate-Styrene-Acrylonitrile) -based thermoplastic resin; Conductive fillers made of any one of conductive carbon, conductive CF (carbon fiber), CNT (carbon nanotube), silver nano, copper nano, and PTC (Positive Temperature Coefficient); An internal lubricant consisting of EBA (ethylbisamide); After mixing and stirring the external lubricant made of Teflon wax (TEFLON), PRE-POLYMER is a conductive / heat-generating polymer that obtains a resin that maintains the kneaded stirred thermoplastic resin uniformly dispersed through an extruder After adding the conductive carbon and the thermosetting agent to the thermosetting resin of the form by extrusion dispersing through a primary extruder at a temperature that does not cure, and the dispersion of the thermosetting resin liquid extrusion-dispersed in the primary extruder in a secondary extruder, and then In the method of manufacturing a exothermic yarn using a conductive / pyrogenic polymer, characterized in that the coating surface of the seal passing through the die provided in the secondary extruder and then thermally cured by hot air drying, PTC (Positive Temperature) Coefficient) is a meta-titanic acid barium (BaTiO ₃₎ using a conductive / exothermic polymer, characterized in that the limited Adopt the method affiliates in the best of forms.

Hereinafter, specific examples of the present invention will be described in detail through examples and comparative examples.

First, in order to obtain the exothermic yarn which is the final product of the present invention, a method for preparing a conducting / heating polymer should be disclosed.

(Conductivity / heating polymer manufacturing method)

Thermoplastic resins, including thermoplastic rubbers, which contain a mixture of physical properties supplements and antioxidants for the production of conducting / heating polymers, conductive carbon, conductive CF (carbon fiber), CNT (carbon nanotube), silver nano, copper nano, and PTC (Positive) Conductive filler made by selecting any one of Temperature Coefficient, internal lubricant made of EBA (Ethyl bisamide) for dispersion, and external agent made of Teflon wax (TEFLON) for kneading and stirring The thermoplastic resin in a stirred state is obtained through an extruder to obtain a resin that is uniformly dispersed.

PTC (Positive Temperature Coefficient), one of the conductive fillers is limited to barium titanate (BaTiO ₃ ).

Meanwhile, the thermoplastic resin must structurally fix the conductive filler.

Thermoplastic resins for this purpose are ABS (acrylonitrile-butadiene-stylene copolymer), HIPS (highimp-polystyrene), PP (polypropylene), PE (polyethylene), PET (polyethylene terephthalate), PETG (polyethylene terephthalate) Glycol), nylon, PBT (polybutylene terephthalate), Teflon, silicone, urethane, PVC (polyvinyl chloride), SBS (styrene-butadiene-styrene block copolymer), high molecular weight MS-SAN (methylmethacryl) It is preferable to carry out extrusion kneading while mixing with at least one of the resins of the laid- styrene-acrylonitrile) system.

The thermoplastic resin is to include a thermoplastic rubber.

Wherein the thermoplastic resin formed by mixing with the above-mentioned thermoplastic rubber is 1-20 wt%; The ratio of 80 to 99 wt% is used to form the total thermoplastic resin mixture.

On the other hand, based on 100 parts by weight of the thermoplastic resin mixture is kneaded by the above mixing ratio obtained in the liquid phase, 1 to 40 parts by weight of the conductive filler, 0.01 to 3 parts by weight of the internal lubricant for dispersing, for reducing the shear force An external lubricant is mixed at a ratio of 0.01 to 2 parts by weight, and kneaded / extruded to obtain a conductive / heat generating polymer.

On the other hand, the thermoplastic rubber mixed for the production of conducting / heating polymer is treated with a physical supplement and antioxidant, the physical complement is made of EPDM (Ethylene Propylene Terpolymers), NBR (acrylonitrile-butadiene rubber) The antioxidant is composed of a primary antioxidant of Phenolic Antioxidants and a secondary antioxidant of Phosphite Antioxidants.

As described above, the thermoplastic rubber and the thermoplastic resin are 1 to 20 wt%; Based on 100 parts by weight of the total mixture of thermoplastic resins in the ratio of 80 to 99 wt%, 1 to 40 parts by weight of the conductive filler according to the above type, 0.01 to 3 parts by weight of the internal lubricant for dispersion, reduction of shear force 0.01 to 2 parts by weight of the external lubricant for mixing and kneading treatment, mixed to make a solid by mixing a crosslinking agent suitable for the thermoplastic resin, it is made into a uniformly dispersed pellet form through an extruder.

The crosslinking agent is usually a known crosslinking agent.

In the present invention, the conductive / heat generating polymer obtained using the thermoplastic resin has been described, but the present invention is not limited thereto. For example, the conductive / heat generating polymer having the same effect can be obtained using the thermosetting resin.

That is, it can be obtained by adding a conductive carbon and a thermosetting agent to a thermosetting resin of a low molecular weight PRE-POLYMER type epoxy, melamine, phenol and the like.

(Manufacturing method of exothermic yarn using conductive / heating polymer)

By using the conductive / heat-generating polymer obtained by the above method, first, pellets are formed as solids in a uniformly dispersed form through an extruder, and then the pellets are administered to a release extruder to melt extrusion at an appropriate temperature. The liquid resin is discharged to the end side of the release extruder, the liquid resin discharged through the release extruder to the outer peripheral surface of the yarn supplied from the outside through a die provided at the end of the release extruder, that is, the conductive polymer in the present invention The coating can be completed to obtain a heat generating yarn.

On the other hand, in the present invention, as described above, it is possible to obtain exothermic yarns by conducting / heating polymers having the same effect using thermoplastic resins as well as thermosetting resins. For example, conductive carbon and Extrude and disperse through a primary extruder at a low temperature not cured by adding a thermosetting agent, and the thermosetting resin liquid extruded and dispersed in the primary extruder is secondary dispersed in a secondary extruder, and then, a die provided in the secondary extruder The surface of the seal passing through the coating is coated and then thermally cured by hot air drying to obtain exothermic yarn.

The yarn used in the present invention may be made of a material such as PET yarn, cotton yarn, nylon yarn, and the like, and a yarn containing conductivity, that is, a yarn including CNT (carbon nanotube) for antistatic.

Therefore, after the conducting / heating polymer is prepared, the exothermic yarn is manufactured using the conducting / heating polymer. As described above using the exothermic yarn obtained by the above method, for bedding, steaming and sauna facilities, It is possible to produce the product by adopting the heating element or the plane heating element used in the application for various kinds of dryers, drying film, heating film and heating board, heating device or clothing for thermal insulation.

Hereinafter, each specific embodiment according to the manufacturing method of the present invention will be described.

Figure 1 shows each component ratio and the like by each Example and Comparative Examples that can be compared thereto.

In the accompanying Figure 1, the mixing ratio of each type of resin is wt%, and the component ratios such as fillers and lubricants (collectively referred to as internal and external lubricants) and crosslinking agents are based on 100 parts by weight of the total 100 wt% of the resin. Next, each part by weight based on 100 parts by weight of the resin.

(Example 1)

First, in order to obtain a conductive / heat-generating polymer, 90 wt% of ABS and 10 wt% of NBR for improving impact resistance / chemical resistance are mixed and kneaded to form a matrix. 10 parts by weight relative to the total weight of NBR, 0.5 parts by weight of EBA (ethylbisamide) as an internal lubricant to improve dispersibility, 0.1 parts by weight of teflon wax as an external lubricant to improve processability, and 1076 primary antioxidant (Korea Material Songwon Industry) 0.6 parts by weight, 6260 (product name of Songwon Industry in South Korea) as a secondary antioxidant 0.3 parts by weight, 0.2 parts by weight of dimethyrolphenol-based crosslinking agent is sufficiently mixed with a stirrer, and then extruder (twin extruder) Pellet solidified is made at a processing conductivity at a temperature of about 230 ° C.

Then, using a release extruder into the conductive resin pellets prepared as described above, a constant speed by using a drawer threaded from the end to the tip through a die designed so that the conductive resin does not flow back to the supply portion supplied with the yarn The exothermic yarn was obtained by coating the coating around the chamber while the conductive resin was melt-fed and supplied through a release extruder having a temperature of 200 ° C.

The thickness of the product is constantly changed according to the speed of the take-out machine, in this embodiment was manufactured so that the thickness is 0.6 mm in a circular shape.

In addition, when measuring the electrical resistance value every 1m by using a resistance meter was 12 KΩ / m, 20 samples were obtained every 500m, the standard deviation was 0.3 when measuring the uniformity of the electrical resistance value using the sample.

The following formula was used for the formula for obtaining the said standard deviation.

Equation 1

(Comparative Example 1 with respect to Example 1)

Comparative Example 1 to Example 1 described above was implemented as in FIG.

That is, in Example 1 0.5 parts by weight of EBA (ethylbisamide) as an internal lubricant to improve the dispersibility, 0.1 parts by weight of Teflon wax as an external lubricant for improving processability, Songwon, South Korea material adopted in the present invention as a primary antioxidant 0.6 parts by weight of the industrial product name SONGNOX 1076, 0.3 parts by weight of the above-mentioned Songwon Industrial product name SONGNOX 6260 as a secondary antioxidant, 0.2 part by weight of dimethyrolphenol-based crosslinking agent were added, and the exothermic yarn under the same conditions, that is, the same conditions according to Example 1 Was prepared to obtain the resistance and the standard deviation in the same "Equation 1" to obtain the same results as in FIG.

(Example 1-1)

First, in order to obtain a conductive / heat-generating polymer, 90 wt% of ABS and 10 wt% of NBR for improving impact resistance / chemical resistance are mixed and kneaded to form a matrix. 7 parts by weight relative to the total weight of NBR, barium titanate (BaTiO ₃ ), which is a PTC (Positive Temperature Coefficient), 3 parts by weight relative to the total weight of the ABS, NBR, EBA as an internal lubricant to improve the dispersibility (Ethylbisamide) 0.5 parts by weight, 0.1 parts by weight of teflon wax as an external lubricant to improve processability, 1076 parts of primary antioxidant (Songwon Industrial Product Name in Korea), 6260 parts of secondary antioxidant (Songwon Industry Material in Korea) ) 0.3 parts by weight and 0.2 parts by weight of dimethyrolphenol-based crosslinking agent are sufficiently mixed with a stirrer, and then pellets solidified to be processed conductive at a cylinder temperature of about 230 ° C. are extruded using an extruder (twin extruder). Costs.

Then, using a release extruder into the conductive resin pellets prepared as described above, a constant speed by using a drawer threaded from the end to the tip through a die designed so that the conductive resin does not flow back to the supply portion supplied with the yarn The exothermic yarn was obtained by coating the coating around the chamber while the conductive resin was melt-fed and supplied through a release extruder having a temperature of 200 ° C.

The thickness of the product is constantly changed according to the speed of the take-out machine, in this embodiment was manufactured so that the thickness is 0.6 mm in a circular shape.

In addition, when measuring the electrical resistance value every 1m by using a resistance meter was 15 KΩ / m, 20 samples were obtained every 500m, the standard deviation was 0.4 when measuring the uniformity of the electrical resistance value using the sample.

The formula for obtaining the above standard deviation was used in the formula of Example 1.

(Comparative Example 1 with respect to Example 1-1)

Comparative Example 1 with respect to Example 1-1 was implemented as in FIG.

That is, 0.5 parts by weight of EBA (ethylbisamide) as an internal lubricant for improving dispersibility in Example 1-1, 0.1 part by weight of teflon wax as an external lubricant for improving workability, and Korea adopted in the present invention as a primary antioxidant. 0.6 parts by weight of SONGNOX 1076 product name SONGNOX 1076, 0.3 parts by weight of SONGNOX 6260 product described above as a secondary antioxidant, 0.2 parts by weight of dimetholol-based crosslinking agent was added, and the same conditions as in Example 1-1 The exothermic yarn was manufactured under the conditions, and the resistance value and the standard deviation were calculated by the same "Equation 1", and the result was obtained as in FIG.

That is, in Example 1-1, 10 parts by weight of the conductive carbon, which is the conductive filler adopted in Example 1, based on 10 parts by weight of the total weight of the ABS and NBR, 7 parts by weight of the conductive carbon, and 7 parts by weight of the PTC ( Positive Temperature Coefficient) divided by 3 parts by weight of barium titanate (BaTiO ₃ ).

(Example 1-2)

First, to obtain a conductive / heating polymer, a mixture of 90 wt% ABS and 10 wt% NBR for improving impact resistance / chemical resistance is formed to form a matrix. Phosphorous metatitanate (BaTiO ₃ ) 10 parts by weight relative to the total weight of the ABS, NBR, 0.5 parts by weight of EBA (Ethylbisamide) as an internal lubricant to improve the dispersibility, as an external lubricant to improve processability Teflon wax 0.1 part by weight, primary antioxidant 1076 (product name of Songwon Industry in Korea) 0.6 part by weight, 6260 (product name of Songwon Industry in Korea) as secondary antioxidant, 0.3 part by weight, 0.2 part by weight of dimetholol-based crosslinking agent with stirrer After mixing, the pellets are solidified to a processing conductivity at a cylinder temperature of about 230 ° C. using an extruder (twin extruder).

Then, using a release extruder into the conductive resin pellets prepared as described above, a constant speed by using a drawer threaded from the end to the tip through a die designed so that the conductive resin does not flow back to the supply portion supplied with the yarn The exothermic yarn was obtained by coating the coating around the chamber while the conductive resin was melt-fed and supplied through a release extruder having a temperature of 200 ° C.

The thickness of the product is constantly changed according to the speed of the take-out machine, in this embodiment was manufactured so that the thickness is 0.6 mm in a circular shape.

In addition, when measuring the electrical resistance value every 1m by using a resistance meter was 17 KΩ / m, 20 samples were obtained every 500m, the standard deviation was 0.6 when measuring the uniformity of the electrical resistance value using the sample.

The formula for obtaining the above standard deviation was used in the formula of Example 1.

(Comparative Example 1 relative to Example 1-2)

Comparative Example 1 for Example 1-2 was implemented as in FIG.

That is, 0.5 parts by weight of EBA (ethylbisamide) as an internal lubricant for improving dispersibility in Example 1-2, 0.1 part by weight of teflon wax as an external lubricant for improving workability, and Korea adopted in the present invention as a primary antioxidant. 0.6 parts by weight of SONGNOX 1076 product name SONGNOX 1076, 0.3 parts by weight of SONGNOX 6260 mentioned above as a secondary antioxidant and 0.2 parts by weight of dimetholol-based crosslinking agent were added, and the same conditions as in Example 1-2 The exothermic yarn was manufactured under the conditions, and the resistance value and the standard deviation were calculated by the same "Equation 1", and the result was obtained as in FIG.

That is, in Example 1-2, the conductive carbon, which is the conductive filler employed in Example 1, was replaced with barium titanate (BaTiO ₃ ), which is the PTC (Positive Temperature Coefficient).

(Example 2)

In Example 2, the conductive carbon was increased to 15 parts by weight in Example 1, and a heat generating yarn was manufactured under the same conditions, and the resistance value and the standard deviation were calculated by the same "Equation 1".

(Example 2-1)

In Example 2-1, the conductive carbon was reduced to 7 parts by weight in Example 1 and the barium titanate (BaTiO ₃ ), which is the PTC (Positive Temperature Coefficient), was increased to 8 parts by weight to prepare exothermic yarn under the same conditions. The resistance value and the standard deviation were obtained by the same "Equation 1" as shown in FIG.

Example 3

In Example 1, instead of 90 wt% of ABS and 10 wt% of NBR, 100 wt% of MS-SAN (domestic LG Chemicals: methyl methacrylate-stylene-acrylonitrile, hereinafter PA808) was added to 100 wt% of PA808. Based on 100 parts by weight, a heat generating yarn was manufactured under the same conditions, and then the resistance value and standard deviation of the manufactured heat generating yarn were obtained by the same "Equation 1".

(Example 4)

In Example 1, instead of 90 wt% of ABS and 10 wt% of NBR, 80 wt% of HIPS and 20 wt% of SBS-based rubber (K-RESIN) were mixed to 100 wt%, and the mixed resin was based on 100 parts by weight. As a result, after the exothermic yarn was manufactured under the same conditions according to Example 1, the resistance value and the standard deviation of the manufactured exothermic yarn were obtained by the same "Equation 1".

(Example 5)

In Example 1, instead of 90 wt% of ABS and 10 wt% of NBR, 80 wt% of PP and 20 wt% of EPDM were mixed to 100 wt%, and then the mixed resin was prepared based on 100 parts by weight. After the exothermic yarn was manufactured under the same conditions, the resistance value and standard deviation of the manufactured exothermic yarn were obtained by the same Equation (1).

(Example 6)

In Example 1, instead of 90 wt% of ABS and 10 wt% of NBR, 90 wt% of PE and 10 wt% of EPDM were mixed to 100 wt%, and the mixed resin was used in Example 1 based on 100 parts by weight. After the exothermic yarn was manufactured under the same condition, the resistance value and the standard deviation of the manufactured exothermic yarn were obtained by the same "Equation 1".

(Example 7)

In Example 1, 90 wt% ABS and 10 wt% NBR were mixed to 100 wt%, and the mixed resin was based on 100 parts by weight, and CNT (carbon nanotube) instead of 10 parts by weight of conductive carbon in Example 1 was used. After adding 3 parts by weight, the exothermic yarn was manufactured under the same conditions as in Example 1, and then the resistance value and standard deviation of the manufactured exothermic yarn were calculated by the same "Equation 1", and the results were obtained as shown in FIG.

(Example 7-1)

In Example 1, 90 wt% ABS and 10 wt% NBR were mixed to 100 wt%, and the mixed resin was based on 100 parts by weight, and CNT (carbon nanotube) instead of 10 parts by weight of conductive carbon in Example 1 was used. 3 parts by weight, 5 parts by weight of barium titanate (BaTiO ₃ ), which is the PTC (Positive Temperature Coefficient), was prepared, and a heat generating yarn was manufactured under the same conditions according to Example 1. As a result of obtaining the standard deviation with the same "Equation 1", the result as shown in FIG. 1 was obtained.

(Example 8)

In Example 1, 90 wt% of ABS and 10 wt% of NBR were mixed to 100 wt%, and the mixed resin was based on 100 parts by weight, and conductive CF (carbon fiber) instead of 10 parts by weight of conductive carbon in Example 1 5 parts by weight was prepared, and a heat generating yarn was manufactured under the same conditions as in Example 1, and then the resistance value and standard deviation of the manufactured heating yarn were obtained by the same "Equation 1".

(Example 9)

In Example 1, by mixing 90 wt% ABS and 10 wt% NBR to 100 wt% and based on 100 parts by weight of the mixed resin, 3 parts by weight of conductive carbon instead of 10 parts by weight of conductive carbon in Example 1, 2 parts by weight of conductive CF (carbon fiber) and 1 part by weight of copper nano were prepared, and a heat generating yarn was manufactured under the same conditions as in Example 1, and then the resistance value and standard deviation of the manufactured heating yarn were equal to "Equation 1". As a result, the same results as in FIG. 1 were obtained.

(Comparative Example 2 for Example 9)

Unlike Example 9, the obtained solution-derived pyrogen, which is distributed in the market, was obtained by applying the sampling standard deviation to the same "Equation 1" for each same length, and the average resistance value and the standard deviation of the pyrogen were different from those of FIG. Came out together.

Provides a method of manufacturing a heating element for applying to heating elements used for bedding, steaming and sauna facilities, various dryers, heating films and heating boards, heating devices or clothing for thermal insulation, and is harmful to humans and the environment during the manufacturing process. It is possible to suppress the generation of gas, there is no volatilized dispersion medium, the conductivity of the product is uniform, there is no void phenomenon caused by volatilization, so that no phenomenon such as chipping in the process of weaving using the heat generating yarn according to the present invention is uniform It is possible to obtain a product having a single conductivity, as well as to improve the reliability of the product, thereby resulting in excellent physical properties and mass production of the product, and economic effects and industrial availability that can significantly reduce the production cost of the product can be expected. .

Claims (2)

1. Physical supplements composed of EPDM (Ethylene Propylene Terpolymers) and NBR (acrylonitrile-butadiene rubber); Including thermoplastic rubber mixed with a primary antioxidant consisting of Phenolic Antioxidants and an antioxidant consisting of Phosphite Antioxidants secondary, ABS (Acrylonitrile-Butadiene-Styrene Copolymer), HIPS (Hiimppe-Poly) Styrene), PP (polypropylene), PE (polyethylene), PET (polyethylene terephthalate), PETG (polyethylene terephthalate glycol), nylon, PBT (polybutylene terephthalate), teflon, silicone, urethane, PVC (polyvinyl) Thermoplastic resins of any one of chromide), SBS (Styrene-Butadiene-Styrene Block Copolymer), and MS-SAN (Methylmethacrylate-Styrene-Acrylonitrile) -based thermoplastic resin; Conductive fillers made of any one of conductive carbon, conductive CF (carbon fiber), CNT (carbon nanotube), silver nano, copper nano, and PTC (Positive Temperature Coefficient); An internal lubricant consisting of EBA (ethylbisamide); After mixing and stirring the external lubricant made of Teflon wax (TEFLON), PRE-POLYMER is a conductive / heat-generating polymer that obtains a resin that maintains the kneaded stirred thermoplastic resin uniformly dispersed through an extruder After adding the conductive carbon and the thermosetting agent to the thermosetting resin of the form by extrusion dispersing through a primary extruder at a temperature that does not cure, and the dispersion of the thermosetting resin liquid extrusion-dispersed in the primary extruder in a secondary extruder, and then In the method of manufacturing a heat-generating yarn using a conducting / heating polymer, characterized in that the coating surface of the seal passing through the die provided in the secondary extruder and then thermally cured by hot air drying.

   PTC (Positive Temperature Coefficient) is a method for producing a heat generating yarn using a conducting / heat generating polymer, characterized in that limited to barium titanate (BaTiO ₃ ).
2. Physical supplements composed of EPDM (Ethylene Propylene Terpolymers) and NBR (acrylonitrile-butadiene rubber); Including thermoplastic rubber mixed with a primary antioxidant consisting of Phenolic Antioxidants and an antioxidant consisting of Phosphite Antioxidants secondary, ABS (Acrylonitrile-Butadiene-Styrene Copolymer), HIPS (Hiimppe-Poly) Styrene), PP (polypropylene), PE (polyethylene), PET (polyethylene terephthalate), PETG (polyethylene terephthalate glycol), nylon, PBT (polybutylene terephthalate), teflon, silicone, urethane, PVC (polyvinyl) Thermoplastic resins of any one of chromide), SBS (Styrene-Butadiene-Styrene Block Copolymer), and MS-SAN (Methylmethacrylate-Styrene-Acrylonitrile) -based thermoplastic resin; Conductive fillers made of any one of conductive carbon, conductive CF (carbon fiber), CNT (carbon nanotube), silver nano, copper nano, and PTC (Positive Temperature Coefficient); An internal lubricant composed of EBA (ethylbisamide); After kneading and stirring the external lubricant made of Teflon wax (TEFLON), the extruder is a conductive / heating polymer that obtains a resin that maintains the kneaded and stirred thermoplastic resin uniformly dispersed through an extruder. After the solidified in the form of a uniformly dispersed pellet, the solidified pellet is introduced into a mold extruder to be melted and melted and extruded from the mold extruder side to the outer peripheral surface of the yarn supplied to the die side provided at the end of the mold extruder In the method for producing a thermal yarn using a conductive / pyrogenic polymer, characterized in that to be coated and then obtained by drying with hot air,

   In order to form a matrix, the mixture is kneaded with 90 wt% of ABS and 10 wt% of NBR for improving impact resistance and chemical resistance, and barium titanate (BaTiO ₃ ), which is a PTC (Positive Temperature Coefficient) that can generate heat when energized, is mixed. 10 parts by weight relative to the total weight of the ABS, NBR, 0.5 parts by weight of EBA (ethylbisamide) as an internal lubricant to improve dispersibility, 0.1 parts by weight of teflon wax as an external lubricant to improve processability, primary antioxidant 1076 (Songwon Industrial Product Name, South Korea) 0.6 parts by weight, 6260 (Songwon Industrial Product Name, South Korea) 0.3 parts by weight as a secondary antioxidant, 0.2 parts by weight of dimetholol-based crosslinking agent with a stirrer, and then the cylinder temperature using an extruder Pellet solidified to process conductivity at about 230 ° C is introduced into a mold release extruder, and the feed part is fed / taken with a drawer to a feeding part where the thread is supplied to have a thickness of 0.6 mm. A method of manufacturing a heat generating yarn using a conductive / pyrogenic polymer comprising coating the conductive resin in the solidified pellet form through a release extruder having a temperature of 0 ° C. while melting and supplying the conductive resin.

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