Specification Name of the invention: Mixing method of heat dissipation material Technical field [One] The present invention relates to a method of mixing a heat radiation material. [2] This application claims the benefit of priority based on Korean Patent Application No. 10-2017-0105933 filed August 22, 2017 and Korean Patent Application No. 10-2018-0097733 filed August 22, 2018. All contents disclosed in the literature are included as part of this specification. Background [3] Batteries, televisions, videos, computers, medical equipment, office machines, communication devices, etc., generate heat during operation, and an increase in temperature due to the heat causes malfunction or destruction, so the above temperature rise is suppressed. A method of dissipating heat for this purpose, a heat dissipating member used therein, and the like have been proposed. [4] For example, a method of suppressing a temperature increase by transferring heat to a cooling medium such as cooling water or through heat conduction to a heat sink using a metal plate having high thermal conductivity such as aluminum or copper is known. [5] In order to efficiently transfer heat from the heat source to the cooling medium or heat sink, it is advantageous to connect the heat source and the cooling medium or heat sink as closely as possible or thermally connect the heat source and the cooling medium or heat sink, and for this purpose, a heat dissipating material may be used. [6] Among heat dissipating materials, in the case of a two-component room temperature curing type high viscosity fluid, the capacity of the mixer should be optimized according to the mixing efficiency or reaction rate. [7] For example, if the number of mixers is excessively large or the length is too long, the dispensing speed is adversely affected, and if the number or length is insufficient, mixing efficiency decreases, resulting in deterioration of physical properties due to non-uniform cured products. Detailed description of the invention Technical challenge [8] An object of the present invention is to provide a method of mixing heat-dissipating materials that can optimize the capacity of a static mixer according to the heat-dissipating material. Means of solving the task [9] In order to solve the above problems, according to an aspect of the present invention, a method of mixing a heat dissipating material including a filler for room temperature curing with a static mixer, wherein the static mixer is used in the first and second external devices. When the heat radiation material is sequentially injected, the process unit time is the difference between the time when the heat radiation material is injected into the second external device and the time when the heat radiation material is injected into the first external device is started, and the injection amount per process unit time ( Q), the process unit time (td), and determining the capacity (V) of the static mixer based on the time (t2) at which the viscosity of the heat dissipating material discharged from the static mixer becomes twice the initial mixed viscosity. A method of mixing heat dissipating materials is provided. [10] The capacity (V) of the static mixer can be determined by the following general formula 1. [11] [General Formula 1] [12] V <(t2/td) * Q [13] In General Formula 1, the unit of the capacity of the static mixer may be ㎖, the unit of the injection amount (Q) may be ㎖, and the unit of the process unit time (td) and the time to become twice the initial mixing viscosity (t2) can be min. [14] The mixing method may further include the step of mixing the heat dissipating material at a Reynolds number (Re) of 10 to 1000. [15] In addition, the static mixer may have 5 to 25 elements. [16] In addition, the time (t2) to become twice the initial mixing viscosity may be 1 to 10 minutes. Meanwhile, the time (t2) to become two of the initial mixed viscosity can be measured by the following method. For example, the heat dissipation material leaked from the static mixer is measured in frequency sweep mode using ARES (Advanced Rheometric Expansion System), a rheological property measuring instrument, within 1 minute, but the mixed viscosity at 2.5/s shear rate is measured. Then, after measuring the mixed viscosity three or more times over time, the time at which the viscosity is twice compared to the initial stage can be obtained through a splot based on the measured mixed viscosity. [17] In addition, the heat dissipation material may have a thermal conductivity of 1.0 W/mK or more. [18] In addition, the heat dissipation material may have a viscosity of 10 to 300,000 cP. [19] In addition, the first and second external devices may each be a battery module. [20] In addition, when injecting heat dissipation material into the first external device through a plurality of static mixers, the capacity of each static mixer is the amount of injection per process unit time per static mixer (Q), process unit time (td), and outflow from the static mixer. The viscosity of the heat dissipating material may be determined based on a time t2 when the viscosity of the heat dissipating material becomes twice the initial mixed viscosity. [21] In addition, when injecting into a plurality of static mixers, the capacity of each static mixer may be determined equally. Effects of the Invention [22] As described above, the mixing method of the heat dissipating material according to an embodiment of the present invention has the following effects. [23] The capacity (V) of the static mixer can be determined based on the injection amount per process unit time (Q), the process unit time (td), and the time at which the initial mixing viscosity is doubled (t2) per static mixer. Correspondingly, the capacity of the static mixer can be optimized. Brief description of the drawing [24] 1 is a schematic diagram showing a dispensing apparatus used in a method for mixing a heat radiation material according to an embodiment of the present invention. [25] 2 is a schematic diagram showing yet another embodiment of a dispensing device. [26] 3 and 4 are schematic diagrams illustrating embodiments in which a heat dissipating material is injected into a first external device. [27] 5 is a schematic diagram of the static mixer shown in FIG. 1. [28] 6 is a schematic diagram of a module case constituting a battery module. [29] 7 is a schematic diagram showing a battery module. [30] 8 is a schematic diagram for explaining an injection hole of a module case. Mode for carrying out the invention [31] Hereinafter, a method of mixing a heat radiation material according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. [32] In addition, regardless of the reference numerals, the same or corresponding components are given the same or similar reference numbers, and duplicate explanations thereof will be omitted, and the size and shape of each component member shown for convenience of explanation are exaggerated or reduced. Can be. [33] 1 is a schematic diagram showing a dispensing device 10 used in a method for mixing a heat dissipating material according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing another embodiment of a dispensing device 10', 3 and 4 are schematic diagrams illustrating embodiments in which a heat radiation material is injected into the first external device 200. [34] In addition, FIG. 5 is a schematic diagram of the static mixer 100 shown in FIG. 1. [35] A method of mixing a heat dissipating material according to an embodiment of the present invention is a method of mixing a heat dissipating material including a filler for room temperature curing with a plurality of static mixers. [36] Referring to FIG. 1, the heat dissipating material related to the present invention may be injected into external devices 200 and 300 through a dispensing device 10. The dispensing device 10 includes a dispensing unit 20 and one or more static mixers 100 connected to the dispensing unit 20. [37] The external device may be a battery module. [38] In this document, a first external device refers to a first battery module, and a second external device refers to a second battery module. The first and second battery modules are only terms that are classified and referred to in order to describe process units performed in sequence, and have the same structure. [39] The method of manufacturing the battery module may include preparing a battery module, mixing a heat dissipating material, and injecting a heat dissipating material. At this time, mixing and injection of the heat dissipating material is performed through a static mixer. In addition, mixing of the heat dissipation material may be performed in each static mixer 100, and injection of the heat dissipation material into one battery module may be performed through a plurality of static mixers 100. [40] 6 is a schematic diagram of a module case 210 constituting a battery module, FIG. 7 is a schematic diagram showing the battery module 200, and FIG. 8 is a schematic diagram for explaining an injection hole 230 of the module case. [41] The battery module 200 includes a module case 210 and a plurality of battery cells 220 disposed in the module case 210. The battery cell 220 may be a pouch type secondary battery. The battery cell 200 may typically include an electrode assembly, an electrolyte, and a pouch case. The heat dissipation material is injected into the space between the battery cells in the module case, and performs a function of dissipating heat generated from the battery cells 220. [42] The module case 210 may have, for example, a rectangular parallelepiped shape, and may have a bottom surface 211, a side surface 212, and an upper surface 213. At this time, one or more injection holes 230 may be formed in the upper surface 213. In this case, one static mixer 100 is connected to one injection hole 230, so that the heat dissipating material flowing out from the static mixer 100 may be injected into the battery module 200 through the injection hole 230. [43] In addition, the step of injecting the heat dissipating material may be sequentially performed for a plurality of battery modules. For example, referring to FIG. 1, after injection of the heat dissipation material into the first battery module 200 is completed, the heat dissipation material may be injected into the second battery module 300. The first and second battery modules 200 and 300 are transferred by a transfer unit (for example, a belt conveyor), pass through the dispensing device 100 in turn, and a heat radiation material may be injected. [44] In the step of injecting the heat-dissipating material, referring to FIG. 3, the heat-dissipating material may be injected into one battery module (eg, the first battery module 200) through one static mixer. Referring to FIG. The heat dissipation material may be injected into one battery module (eg, the first battery module 200) through the static mixer 100. [45] A dispensing apparatus 100 for mixing and injecting a heat dissipating material according to the present invention includes a dispensing unit 20 and at least one static mixer 100 connected to the dispensing unit 20. [46] In addition, the heat dissipating material mixed through a static mixer and injected into the battery module relates to a thermally conductive resin composition. The resin composition may contain a resin component and a thermally conductive filler. [47] The dispensing unit 20 includes a first supply cartridge unit 21 and a second supply cartridge unit 22. At this time, the first supply cartridge unit 21 and the second supply cartridge unit 22 are individually connected to the static mixer 100. In addition, the first supply cartridge unit 21 supplies a main resin and a thermally conductive filler for forming the resin composition to the static mixer 100, and the second supply cartridge unit 22 provides a static curing agent and a thermally conductive filler. It is supplied to the mixer 100. [48] Referring to FIG. 5, the static mixer 100 has an inlet 101 and an outlet 102. As described above, the inlet portion 101 is provided to be individually connected to the first supply cartridge portion 21 and the second supply cartridge portion 22, and the outlet portion 102 is a module case of the battery module 200 It is provided to be connected to the injection hole 230 provided in (210). [49] The static mixer 100 includes a screw unit 120 for mixing and transferring. The screw unit 120 is composed of a plurality of elements 121, one element 121 forms one end (B), the number of elements 121 may be referred to as a number. [50] In this case, the number of elements 121 of the static mixer 100 may be 5 to 25. If the number of elements 121 is insufficient, mixing efficiency may be degraded, thereby affecting curing speed, adhesion, insulation, etc., or reliability problems. On the other hand, when the number of elements 121 is excessively large, a mixer having a small diameter and a long length is used to maintain the same mixer capacity, so that the process speed is lowered. [51] In one embodiment, the static mixer 100 has a mixer inner diameter (D) of about 9 mm in which the screw portion 120 is disposed, the width of the screw portion 120 is 5 mm, and the diameter of the outlet portion 102 (A) This is 3mm, the mixer length (L) is 225mm, and the number of stages may be 24. [52] [53] An embodiment of the present invention provides a method of mixing and injecting a heat-dissipating material including a filler for room temperature curing with a static mixer. [54] When the heat dissipation material is sequentially injected into the first and second external devices by the static mixer, the process unit time is the time when the injection of the heat dissipation material into the second external device starts and the injection of the heat dissipation material into the first external device is performed. It's the difference between when it starts. For example, the time point when the heat dissipation material is injected into the first external device (the first battery module, 200) is 0:00, and after the injection into the first external device is completed, the second external device (the first battery module, 200) is injected at 3:30, and the unit time is 3 minutes. [55] At this time, the mixing method of the heat dissipating material is at a time (t2) when the injection amount per process unit time (Q), the process unit time (td), and the viscosity of the heat dissipating material discharged from the static mixer 100 becomes twice the initial mixed viscosity. And determining the capacity (V) of the static mixer based on it. [56] That is, the injection amount (Q) for injecting the heat dissipating material into the battery module by the static mixer per process unit time (Q), the process unit time (td), and the time when the viscosity of the heat dissipating material discharged from the static mixer 100 becomes twice the initial mixed viscosity. The capacity (V) of the static mixer 100 may be determined according to (t2). [57] The capacity (V) of the static mixer can be determined by the following general formula 1. [58] [General Formula 1] [59] V <(t2/td) * Q [60] In General Formula 1, the unit of the capacity of the static mixer may be ㎖, the unit of the injection amount (Q) may be ㎖, and the unit of the process unit time (td) and the time to become twice the initial mixing viscosity (t2) can be min. [61] The mixing method may further include the step of mixing the heat dissipating material at a Reynolds number (Re) of 10 to 1000. [62] In addition, as described above, the static mixer may have 5 to 25 elements. [63] In addition, the heat dissipation material may have a thermal conductivity of 1.0 W/mK or more, and the heat dissipation material may have a viscosity of 10 to 300,000 cP. [64] In addition, as shown in FIG. 4, when a heat radiation material is injected into the first external device (the first battery module 200) through the plurality of static mixers 100, the capacity 100 of each static mixer is equal to the static mixer 100 ) It may be determined based on the injection amount Q per process unit time per one process unit time, the process unit time td, and the time t2 at which the viscosity of the heat dissipating material discharged from the static mixer 100 becomes twice the initial mixed viscosity. [65] In addition, when injecting into a plurality of static mixers, the capacity of each static mixer may be determined equally. [66] The capacity (V) of each static mixer and the capacity (V) of the static mixer may be determined by the following general formula (1). [67] [General Formula 1] [68] V