ANTI-CONDENSATION COMPOSITION, ANTI-CONDENSATION LIQUID COOLING PLATE, PREPARATION METHOD AND APPLICATION THEREOF

Abstract

Disclosed are an anti-condensation composition, an anti-condensation liquid cooling plate, a preparation method and application thereof, the composition includes Component A and Component B, and a mass ratio of Component A to Component B is 100:100-103. Specifically, Component A is composed of the following components in parts by weight: 1-2 parts of melamine polyol, 25-30 parts of polyester polyol, 20-25 parts of fire-retardant polyester polyol; 5-10 parts of polyol used as a crosslinking agent; 15-20 parts of a fire retardant; 3-5 parts of a catalyst; 0.9-1.2 parts of silicone; 0.4-0.6 part of water; 8-12 parts of a foaming agent; 0.5-1 part of an auxiliary agent; 0.5-1 part of color paste; and Component B is isocyanate. The liquid cooling plate includes a liquid cooling plate substrate and anti-condensation material prepared by the anti-condensation composition. The anti-condensation composition can be applied to energy storage devices and new energy vehicles.

Claims

1. An anti-condensation composition, comprising Component A and Component B, wherein a mass ratio of Component A to Component B is 100:100-103, specifically, Component A is composed of the following components in parts by weight: 1-2 parts of melamine polyol, 25-30 parts of polyester polyol, 30-35 parts of fire-retardant polyester polyol; 5-10 parts of polyol used as a crosslinking agent; 15-20 parts of a fire retardant; 3-5 parts of a catalyst; 0.9-1.2 parts of silicone; 0.4-0.6 part of water; 8-12 parts of a foaming agent; 0.5-1 part of an auxiliary agent; 0.5-1 part of color paste; and Component B is isocyanate.

2. The anti-condensation composition according to claim 1, wherein the polyol used as a crosslinking agent has a functionality of 4-5 and a hydroxyl value of 650-750 mgKOH/g; the melamine polyol has a functionality of 2.5-3 and a hydroxyl value of 230-360 mgKOH/g; the polyester polyol has a functionality of 2-3, a hydroxyl value of 250-350 mgKOH/g, and a viscosity of 2000-10000 mPa.Math.s; and the fire-retardant polyester polyol has a functionality of 2-3, a hydroxyl value of 200-250 mgKOH/g, and a viscosity of 20000-150000 mPa.Math.s.

3. The anti-condensation composition according to claim 2, wherein the polyol used as a crosslinking agent is selected from at least one of NJ-403 or NJ-403A; the melamine polyol is selected from EDS-5083L and/or CN-3360; the polyester polyol is selected from at least one of PS-3152, PS-3158, or Terol250; and the fire-retardant polyester polyol is selected from RB-79 and/or HF-8730.

4. The anti-condensation composition according to claim 1, wherein the fire retardant is selected from at least one of organophosphates or halogenated organophosphates fire retardant; and Component B is selected from at least one of M20S, 44V20L, or PM-200.

5. The anti-condensation composition according to claim 1, wherein the fire retardant is selected from at least one of tris(2-chloropropyl)phosphate, tris(dichloropropyl) phosphate, dimethyl propyl phosphonate, tris(butoxyethyl) phosphate or triethyl phosphate; the catalyst is selected from at least three of PC5, A1, A33, PC41, PC46, or K15; the silicone is selected from at least one of AK8805, L6900, B8545, or DC193; the foaming agent is selected from environmentally friendly foaming agents 245fa and/or LBA; and the auxiliary agent is fumed silica.

6. An anti-condensation liquid cooling plate, comprising a liquid cooling plate substrate and anti-condensation material covering a surface of the liquid cooling plate substrate, wherein components of the anti-condensation material are the components of the anti-condensation composition according to claim 1.

7. The anti-condensation liquid cooling plate according to claim 6, wherein a thickness of the anti-condensation material is 2-31 mm, based on an ambient humidity of 85% RH, and a temperature difference between cooling liquid and an environment is 20 C.

8. A preparation method of the anti-condensation liquid cooling plate according to claim 6, wherein Component A and Component B of the anti-condensation composition are mixed and atomized, sprayed onto the surface of the liquid cooling plate substrate, the surface of the liquid cooling plate substrate is covered after foaming, and curing is performed to form the anti-condensation liquid cooling plate.

9. The preparation method of the anti-condensation liquid cooling plate according to claim 8, wherein a mixing and atomization temperature is controlled to be 25-40 C., and curing lasts for 20-30 min at room temperature.

10. Application of the anti-condensation composition according to claim 1 in energy storage devices and new energy vehicles.

Description

DETAILED DESCRIPTIONS OF THE EMBODIMENTS

[0031] The present disclosure will be further described in detail below.

TABLE-US-00001 TABLE 1 List of raw materials Category Name of raw of raw material material Manufacturer Remark Melamine CN-3360 Jiangsu Changneng Functionality 3, polyol Energy Saving New hydroxyl value 360 Materials Co., Ltd. mgKOH/g EDS- Jiangsu Changneng Functionality 2, 5083L Energy Saving New hydroxyl value 230 Material Co., Ltd. mgKOH/g Polyester PS-3152 Stepan Functionality 2.5, polyol hydroxyl value 315 mgKOH/g; viscosity (25 C.) 2000-3000 mPa .Math. s PS-3158 Stepan Functionality 2.5, hydroxyl value 300 mgKOH/g; viscosity (25 C.) 7000-8000 mPa .Math. s Terol-250 Shanghai Huntsman Functionality 2, Chemicals Co., Ltd. hydroxyl value 250 mgKOH/g; viscosity (25 C.) 4000-6000 mPa .Math. s Fire- RB-79 Albemarle Functionality 2.5, retardant hydroxyl value 250 polyester mgKOH/g; viscosity polyol (25 C.) 90000 mPa .Math. s HF-8730 Zhejiang Huafon New Functionality 3, Materials Co., Ltd. hydroxyl value 250 mgKOH/g; viscosity (25 C.) 25000 mPa .Math. s Crosslinking NJ-403 Jurong Ningwu New Functionality 4, agent Material Co., Ltd. hydroxyl value 790 mgKOH/g NJ-403A Jurong Ningwu New Functionality 4, Material Co., Ltd. hydroxyl value 780 mgKOH/g Fire TEP Jiangsu Yoke retardant Technology TCPP Jiangsu Yoke Technology Catalyst PC5 Evonik Specialty Chemicals (Shanghai) A1 Momentive Performance Materials A33 Momentive Performance Materials PC41 Evonik Specialty Chemicals (Shanghai) K15 Evonik Specialty Chemicals (Shanghai) Foaming 245fa Honeywell agent LBA Honeywell Auxiliary KS-150 Anhui Zaisheng New agent Material Color paste Black Bomex (Shanghai) Silicone AK-8805 Jiangsu Maysta Chemical B8545 Evonik Specialty Chemicals (Shanghai) DC193 Evonik Specialty Chemicals (Shanghai) Isocyanate M20S BASF PM-200 Wanhua Chemical

Example 1

[0032] (1) Preparation of Component A: [0033] the following components were weighed in parts by weight, 1 part of the melamine polyol CN-3360; 28 parts of the polyester polyol PS-3158; 30 parts of the fire-retardant polyester polyol HF-8730; 5 parts of the polyol used as a crosslinking agent NJ-403; 18.9 parts of the fire retardant TEP; 2 parts of the catalyst PC5, 1 part of the catalyst PC41, and 0.5 part of the catalyst K15; 0.9 part of the silicone AK-8805; 0.4 part of water; 10.8 parts of the foaming agent 245fa; 0.5 part of the auxiliary agent KS-150; and 1 part of the black color paste; the weighted components were placed into a reaction kettle, a temperature of the materials was controlled at 25 C., stirred evenly and placed into a 250 Kg closed container; [0034] (2) preparation of Component B: [0035] Component B was isocyanate: M20S, which was placed into a 250 Kg closed container; [0036] (3) Component A and Component B were atomized by compressed air using high-pressure spray equipment, and sprayed onto a surface of an liquid cooled module for energy storage of a battery pack for molding; and the surface of the liquid cooled module for energy storage was completely covered with foamed material with a thickness of 3 mm that has been sprayed onto the surface, and the thickness was controlled by automated spraying and then cured at room temperature for 20 min to obtain anti-condensation liquid cooling plate material.

[0037] Condensation of the liquid cooling plate covered with the anti-condensation material was tested under different temperature and humidity conditions:

[0038] At 25 C., 35 C., 45 C., and 55 C., with each temperature corresponding to environments of RH 55% and 65%, respectively, 18 C. constant temperature water was circulated for 2 h on the liquid cooling plate, and condensation of the liquid cooling plate was observed. Test results showed that no condensation was observed on a surface of the liquid cooling plate under the above test conditions.

Example 2

[0039] (1) Preparation of Component A: [0040] the following components were weighed in parts by weight, 1 part of the melamine polyol CN-3360; 28 parts of the polyester polyol PS-3158; 30 parts of the fire-retardant polyester polyol HF-8730; 5 parts of the polyol used as a crosslinking agent NJ-403; 18.9 parts of the fire retardant TEP; 2 parts of the catalyst PC5, 1 part of the catalyst PC41, and 0.5 part of the catalyst K15; 0.9 part of the silicone AK-8805; 0.4 part of water; 10.8 parts of the foaming agent 245fa; 0.5 part of the auxiliary agent KS-150; and 1 part of the black color paste; the weighted components were placed into a reaction kettle, a temperature of the materials was controlled at 40 C., stirred evenly and placed into a 250 Kg closed container; [0041] (2) preparation of Component B: [0042] Component B was isocyanate: M20S, which was placed into a 250 Kg closed container; [0043] (3) Component A and Component B were atomized by compressed air using high-pressure spray equipment, and sprayed onto a surface of an liquid cooled module for energy storage of a battery pack for molding; and the surface of the liquid cooled module for energy storage was completely covered with foamed material with a thickness of 5 mm that has been sprayed onto the surface, and the thickness was controlled by automated spraying and then cured at room temperature for 30 min to obtain anti-condensation liquid cooling plate material.

Examples 3-13 and Comparative Examples 1-2

[0044] Examples 3-13 and Comparative Examples 1-2 are different from Example 1 in terms of reaction raw materials and ratios, and specific parameters are shown in Tables 2 and 3.

[0045] Test data of physical properties of the anti-condensation liquid cooling plate material obtained in Examples 1, 3-13, and Comparative Examples 1-2 are shown in Tables 4 and 5.

[0046] Minimum thicknesses of anti-condensation material layers of the liquid cooling plate under different environmental conditions for Examples 1, 3-13, and Comparative Examples 1-2 are shown in Tables 6 and 7.

TABLE-US-00002 TABLE 2 Raw material of each component for Examples 1, 3-7 and Comparative Examples 1-2 in parts by weight Raw Example Example Example Example Example Example Comparative Comparative Materials 1 3 4 5 6 7 Example 1 Example 2 Component A: Melamine polyol: CN-3360 1 2 1 EDS-5083L 2 1 1 2 1 Polyester polyol: PS-3158 28 25 26.5 25 PS-3152 25 29 60 Terol-250 25 Fire-retardant polyester polyol: HF-8730 30 30 30 30 RB-79 35 31 30 Polyol used as a crosslinking agent: NJ-403 5 9.6 10 9.6 NJ-403A 5 7 8 5 Fire retardant: TEP 18.9 15.2 18.1 15.2 TCPP 15.7 19.1 15 19.1 Catalyst: PC5 2 2 1 1 A1 2 1 2 1 1 2 2 A33 1 0.5 1 1 0.5 1 1 PC41 1 1 0.5 1 1 0.5 K15 0.5 2 0.5 0.5 2 0.5 Foaming agent: 245fa 10.8 11.7 10 LBA 9.8 8.1 8.5 9.8 8.7 Auxiliary 0.5 1 0.5 1 0.5 1 1 agent: KS-150 Color paste: 1 0.5 1 0.6 0.8 0.5 0.5 0.6 Black Water 0.4 0.5 0.4 0.6 0.5 0.6 0.5 Silicone: AK-8805 0.9 1.0 2.0 B8545 1.0 1.0 DC193 1.2 1.1 0.9 Component B: Isocyanate: M20S 100 103 103 PM-200 103 100 103 103 100

TABLE-US-00003 TABLE 3 Raw Material of Each Component for Examples 8-13 in Parts by Weight Example Example Example Example Example Example Raw Materials 8 9 10 11 12 13 Component A: Melamine polyol: CN3360 1 1 1 1 EDS5083L 1 1 1 Polyester polyol: PS3158 27 27 PS3152 28 27 29 Terol250 29 Fire-retardant polyester polyol: HF8730 15 19.5 24.5 17 9 18 RB79 19.5 13 9 16 25 14 Polyol used as a crosslinking agent: NJ403 5 6 5 NJ403A 5 5 6.5 Fire retardant: TEP 17.5 15 TCPP 16.5 16.5 18 18.5 Catalyst: PC5 1 A1 1 1 1 1.5 1.5 1.5 A33 0.5 1 1 1 1 PC41 0.5 0.5 2 0.5 1 K15 1 0.5 1 0.5 Foaming agent: 245fa 9.5 9 7.9 LBA 10.5 9.1 8.5 Auxiliary agent: KS150 0.5 1 1 0.5 1 0.5 Color paste: Black 0.5 0.5 0.5 0.5 0.5 0.5 Water 0.5 0.4 0.5 0.5 0.5 0.6 Silicone: AK8805 1 1 B8545 1.1 0.9 DC193 1 1 Component B: Isocyanate: M20S 100 103 103 PM200 103 100 103

TABLE-US-00004 TABLE 4 Test data of physical properties of anti-condensation material for liquid cooling plate obtained in Examples 1, 3-7, and Comparative Examples 1-2 Comparative Comparative Property index Example 1 Example 3 Example 4 Example 5 Example 6 Example 7 Example 1 Example 2 Density: g/cm.sup.3 61 62 61 60 62 61 62 120 Thermal 0.022153 0.022358 0.022116 0.022525 0.022124 0.022653 0.023653 0.024679 conductivity: W/(m .Math. k@25 C.) Hardness 77 78 77 76 79 77 75 77 Tensile strength, 0.52 0.54 0.52 0.50 0.53 0.53 0.50 0.52 Mpa Compressive 0.61 0.63 0.62 0.61 0.62 0.61 0.59 1.61 strength, Mpa Bonding strength, 0.49 0.52 0.51 0.51 0.52 0.51 0.45 0.50 Mpa Close cell 97 96 96 97 96 97 95 96 content, % Water 1.2 1.1 1.0 1.1 1.0 1.1 1.1 1.2 absorption, % Combustion UL94-V0 UL94-V0 UL94-V0 UL94-V0 UL94-V0 UL94-V0 UL94-V1 UL94-V0 characteristics, % High No No No No No No Cracking No temperature cracking, cracking, cracking, cracking, cracking, cracking, and slight cracking, resistance, no peeling no peeling no peeling no peeling no peeling no peeling peeling no peeling 120 C., 96 h Low No No No No No No Cracking No temperature cracking, cracking, cracking, cracking, cracking, cracking, and slight cracking, resistance, 40 no peeling no peeling no peeling no peeling no peeling no peeling peeling no peeling C., 96 h Hydrothermal No No No No No No Having No aging cycling, deformation deformation deformation deformation deformation deformation deformation, deformation 85 C., 85%, and dents, and dents, and dents, and dents, and dents, and dents, dents, and dents, 1000 h no bubbles, no bubbles, no bubbles, no bubbles, no bubbles, no bubbles, bubbles, no bubbles, no cracking, no cracking, no cracking, no cracking, no cracking, no cracking, cracking no cracking, and no and no and no and no and no and no and peeling and no peeling peeling peeling peeling peeling peeling peeling Hydrothermal Yes Yes Yes Yes Yes Yes No No aging cycling, 85 C., 85%, 1000 h, and whether adhesion meets 5A or not Acid/alkali/salt No obvious No obvious No obvious No obvious No obvious No obvious No obvious No obvious mist resistance color color color color color color color color change; no change; no change; no change; no change; no change; no change; no change; no cracking, cracking, cracking, cracking, cracking, cracking, cracking, cracking, peeling, peeling, peeling, peeling, peeling, peeling, peeling, peeling, deformation deformation deformation deformation deformation deformation deformation deformation or powdering or powdering or powdering or powdering or powdering or powdering or powdering or powdering Volume 47 47 45 48 46 47 45 48 resistivity (10.sup.11 .Math. m) Breakdown 32 30 30 32 31 31 28 28 voltage (10 KV) Aging resistance No obvious No obvious No obvious No obvious No obvious No obvious Having No obvious color color color color color color obvious color change; no change; no change; no change; no change; no change; no color change; no cracking, cracking, cracking, cracking, cracking, cracking, change; cracking, peeling, peeling, peeling, peeling, peeling, peeling, having peeling, deformation deformation deformation deformation deformation deformation cracking, deformation or powdering or powdering or powdering or powdering or powdering or powdering peeling, or powdering deformation or powdering Environmental Meet Meet Meet Meet Meet Meet Meet Meet protection ROHS ROHS ROHS ROHS ROHS ROHS ROHS ROHS requirements

TABLE-US-00005 TABLE 5 Test data of physical properties of anti-condensation material for liquid cooling plate obtained in Examples 8-13 Performance Example Example Example Example Example Example Index 8 9 10 11 12 13 Density, g/cm.sup.3 61 62 61 62 60 62 Thermal 0.022117 0.022225 0.022118 0.022532 0.022108 0.022546 conductivity: W/(m .Math. k@25 C.) Hardness 75 77 77 76 78 76 Tensile strength, 0.58 0.54 0.53 0.52 0.54 0.56 Mpa Compressive 0.66 0.64 0.65 0.67 0.62 0.69 strength, Mpa Bonding 0.51 0.52 0.5 0.5 0.51 0.53 strength, Mpa Close cell 98 97 95 96 97 96 content, % Water 1.3 1.1 1.2 1.1 1 1.1 absorption, % Combustion UL94-V0 UL94-V0 UL94-V0 UL94-V0 UL94-V0 UL94-V0 characteristics, % High temperature No cracking, No cracking, No cracking, No cracking, No cracking, No cracking, resistance, no peeling no peeling no peeling no peeling no peeling no peeling 120 C., 96 h Low temperature No No No No No No resistance, 40 C., cracking, cracking, cracking, cracking, cracking, cracking, 96 h no peeling no peeling no peeling no peeling no peeling no peeling Hydrothermal No No No No No No aging cycling, deformation deformation deformation deformation deformation deformation 85 C., 85%, 1000 and dents, and dents, and dents, and dents, and dents, and dents, h no bubbles, no bubbles, no bubbles, no bubbles, no bubbles, no bubbles, no cracking, no cracking, no cracking, no cracking, no cracking, no cracking, and no and no and no and no and no and no peeling peeling peeling peeling peeling peeling Hydrothermal Yes Yes Yes Yes Yes Yes aging cycling, 85 C., 85%, 1000 h, and whether adhesion meets 5A or not Acid/alkali/salt No obvious No obvious No obvious No obvious No obvious No obvious mist resistance color color color color color color change; no change; no change; no change; no change; no change; no cracking, cracking, cracking, cracking, cracking, cracking, peeling, peeling, peeling, peeling, peeling, peeling, deformation deformation deformation deformation deformation deformation or powdering or powdering or powdering or powdering or powdering or powdering Volume 47 45 47 50 48 47 resistivity (10.sup.11 .Math. m) Breakdown 30 32 28 28 31 32 voltage (10 KV) Aging resistance No obvious No obvious No obvious No obvious No obvious No obvious color color color color color color change; no change; no change; no change; no change; no change; no cracking, cracking, cracking, cracking, cracking, cracking, peeling, peeling, peeling, peeling, peeling, peeling, deformation deformation deformation deformation deformation deformation or powdering or powdering or powdering or powdering or powdering or powdering Requirements for Meet Meet Meet Meet Meet Meet Environmental ROHS ROHS ROHS ROHS ROHS ROHS Protection

TABLE-US-00006 TABLE 6 Minimum thickness of the anti-condensation liquid cooling plate material layer obtained in Examples 1-7 covered on the surface of the liquid cooling plate under different environmental conditions Medium Ambient Ambient temperature temperature humidity Example 1 Example 3 Example 4 Example 5 Example 6 Example 7 ( C.) ( C.) (% RH) Minimum thickness required for anti-condensation material layer (mm) 18 35 55 2.51 2.53 2.51 2.55 2.51 2.57 18 35 65 4.46 4.50 4.45 4.54 4.46 4.56 18 35 75 7.94 8.01 7.92 8.07 7.92 8.11 18 35 85 15.99 16.14 15.96 16.26 15.97 16.35 18 45 55 4.59 4.63 4.58 4.67 4.58 4.69 18 45 65 7.31 7.38 7.30 7.44 7.30 7.48 18 45 75 12.16 12.27 12.14 12.37 12.15 12.44 18 45 85 23.40 23.62 23.36 23.79 23.37 23.93 18 55 55 6.38 6.44 6.37 6.49 6.38 6.53 18 55 65 9.77 9.86 9.76 9.94 9.76 9.99 18 55 75 15.80 15.95 15.77 16.07 15.78 16.16 18 55 85 29.78 30.05 29.73 30.28 29.74 30.45

TABLE-US-00007 TABLE 7 Minimum thickness of the anti-condensation liquid cooling plate material layer obtained in Examples 8-13 and Comparative Examples 1-2 covered on the surface of the liquid cooling plate under different environmental conditions Medium Ambient Ambient Example Example Example Example Example Example Comparative Comparative temperature temperature humidity 8 9 10 11 12 13 Example 1 Example 2 ( C.) ( C.) (% RH) Minimum thickness required for anti-condensation material layer (mm) 18 35 55 2.51 2.52 2.51 2.55 2.51 2.55 2.79 4.04 18 35 65 4.45 4.48 4.45 4.54 4.45 4.54 4.97 7.19 18 35 75 7.92 7.96 7.92 8.07 7.92 8.08 8.83 12.78 18 35 85 15.96 16.04 15.96 16.26 15.96 16.27 17.79 25.75 18 45 55 4.58 4.61 4.58 4.67 4.58 4.67 5.11 7.39 18 45 65 7.30 7.34 7.30 7.44 7.30 7.44 8.14 11.78 18 45 75 12.14 12.20 12.14 12.37 12.14 12.38 13.53 19.59 18 45 85 23.36 23.48 23.36 23.80 23.35 23.82 26.04 37.69 18 55 55 6.37 6.41 6.37 6.49 6.37 6.50 7.11 10.28 18 55 65 9.76 9.80 9.76 9.94 9.75 9.94 10.87 15.74 18 55 75 15.78 15.85 15.78 16.07 15.77 16.08 17.58 25.45 18 55 85 29.73 29.88 29.73 30.29 29.72 30.31 33.14 47.96

[0047] The testing standards are as follows: [0048] Density: GB/T 6343-2009 [0049] Thermal Conductivity: GB/T10294-2008 [0050] Hardness: GB/T 2411-2008 [0051] Tensile strength: GB/T 9641-1988 [0052] Compressive strength: GB/T 8813-2008 [0053] Bonding strength: GB/T 7124-2008 [0054] Close cell content: GB/T10799-2008 [0055] Water absorption: GB/T 8810-2005 [0056] Fire retardant: GB/T 2408-2021 [0057] High-temperature resistance, 120 C., 96 h: GB/T 2423.2-2008Ab [0058] Low-temperature resistance, 40 C., 96 h: GB/T 2423.2-2008Bb [0059] Hydrothermal aging cycling, 85 C., 85%, 1000 h: GB/T 2423.34-2012 [0060] Aging resistance: GB/T 16422.2-2022

[0061] As shown in Table 3, the present disclosure employs the synergistic effects of fire retardant, fire-retardant polyester polyol and polyester polyol, melamine polyol, polyol used as a crosslinking agent, and the like, such that the prepared anti-condensation material exhibits excellent physical properties at a density of 60 kg/m.sup.3. In addition, the fire retardant performance reaches UL94V0, and the material successfully passes the resistance test of aging performance after 1000 h at a temperature of 85 C. and 85% RH, achieving good technical effects.