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Ultraviolet-curing electric-leakage-blocking protective coating as well as preparation method and application thereof

A technology of protective coatings and ultraviolet light, which is applied in the direction of epoxy resin coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of affecting the insulation of battery packs, weak bonding, and hollowing due to temperature changes, and achieve improvement Production efficiency and environmental safety, improved safety and reliability, and good stability

Active Publication Date: 2021-06-01
王书传
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, in view of the above content, the present invention provides a UV-cured leakage protection coating, which solves the problem that the prior art uses a blue film to cover the aluminum shell surface of the lithium battery, which is not firmly bonded and is prone to hollowing when the temperature changes. Problems affecting the insulation of battery packs

Method used

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  • Ultraviolet-curing electric-leakage-blocking protective coating as well as preparation method and application thereof
  • Ultraviolet-curing electric-leakage-blocking protective coating as well as preparation method and application thereof
  • Ultraviolet-curing electric-leakage-blocking protective coating as well as preparation method and application thereof

Examples

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Embodiment 1

[0034] A kind of UV-curing electric leakage blocking protective coating, comprising the following components in parts by weight: 10 parts of fatty acid modified bisphenol A epoxy acrylates of difunctional groups, 5 parts of poly HDI isocyanate acrylates of difunctional groups, tetrahydrofuryl acrylate 8 parts, 12 parts of isobornyl methacrylate, 15 parts of tricyclodecane dimethanol diacrylate, 10 parts of pentaerythritol triacrylate, 5 parts of pigments and fillers, 2-hydroxy-2-methyl-1-phenyl- 1 part of 1-acetone, 2 parts of (2,4,6-trimethylbenzoyl) diphenylphosphine oxide, 1 part of silane coupling agent KH-5501, 0.3 part of dispersant, 0.1 part of defoamer, leveling 0.2 parts of the agent.

[0035] A preparation method for an ultraviolet light-cured electric leakage blocking protective coating, comprising the following steps:

[0036] (1) Premixing: add bifunctional fatty acid modified bisphenol A epoxy acrylate, tetrahydrofuryl acrylate, isobornyl methacrylate, dispersan...

Embodiment 2

[0040] A kind of ultraviolet light curable electric leakage interrupting protection coating, comprises the component of following parts by weight: 15 parts of the fatty acid modified bisphenol A epoxy acrylate of difunctional group, the polyhydrogen of difunctional group 12 10 parts of MDI isocyanate acrylate, 15 parts of tetrahydrofuryl acrylate, 10 parts of N-hydroxyethyl acrylamide, 20 parts of tricyclodecane dimethanol dimethyl diacrylate, tris(2-hydroxyethyl)isocyanurate 15 parts of acrylate, 10 parts of pigment and filler, 3 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, (2,4,6-trimethylbenzoyl) diphenylphosphine oxide 2 parts, silane coupling agent KH-5603 parts, dispersant 0.8 parts, defoamer 0.3 parts, leveling agent 0.5 parts.

[0041] A preparation method for an ultraviolet light-cured electric leakage blocking protective coating, comprising the following steps:

[0042] (1) Premixing: Add bifunctional fatty acid modified bisphenol A epoxy acrylate, tetrahydrofu...

Embodiment 3

[0046] A kind of UV-curable electric leakage blocking protective coating, comprising the following components in parts by weight: 20 parts of fatty acid modified bisphenol A epoxy acrylates of difunctional groups, 15 parts of poly HDI isocyanate acrylates of difunctional groups, methacrylic acid 15 parts of hydroxypropyl ester, 15 parts of tetrahydrofuryl acrylate, 10 parts of tricyclodecane dimethanol diacrylate, 15 parts of tricyclodecane dimethanol dimethacrylate, 5 parts of propoxylated glycerin triacrylate, pigments and fillers 15 parts, 5 parts of 2-hydroxy-2-methyl-1-phenyl-1-propanone, 2.5 parts of (2,4,6-trimethylbenzoyl) diphenylphosphine oxide, silane coupling agent KH -5705 parts, 1.2 parts of dispersant, 0.8 parts of defoamer, 1 part of leveling agent.

[0047] A preparation method for an ultraviolet light-cured electric leakage blocking protective coating, comprising the following steps:

[0048] (1) Premixing: Add bifunctional fatty acid modified bisphenol A ep...

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Abstract

The invention relates to the technical field of ultraviolet-curing coatings, in particular to an ultraviolet-curing electric-leakage-blocking protective coating as well as a preparation method and application thereof. The ultraviolet-curing electric-leakage-blocking protective coating comprises the following components in parts by weight: 10-20 parts of epoxy acrylate, 5-15 parts of urethane acrylate, 20-30 parts of monofunctional acrylate, 15-25 parts of bifunctional acrylate, 5-15 parts of polyfunctional acrylate, 5-15 parts of pigment filler, 3-8 parts of a photoinitiator, 1-5 parts of a silane coupling agent and 0.5-3 parts of an auxiliary agent. The coating can be applied to aluminum material surfaces on battery cells in battery packs and other metal surfaces to form insulating protective coatings. The problems that as the surface of an aluminum shell of a lithium battery is coated with a blue film in the prior art, bonding is not firm, hollowing is likely to be generated when a temperature changes, and the insulativity of a battery pack is affected are solved.

Description

technical field [0001] The invention relates to the technical field of ultraviolet curable coatings, in particular to an ultraviolet curable electric leakage interruption protective coating, a preparation method and an application thereof. Background technique [0002] New energy vehicles have many advantages such as energy saving, emission reduction, and environmental protection. They are of great significance to ensuring national energy security, solving environmental pollution, and achieving sustainable social and economic development. They are an inevitable trend to achieve sustainable development. As the core component of new energy vehicles, power batteries are an important focus of the development of the new energy vehicle industry. The composition of the power battery of different models may be different, but generally speaking, it is the process from a single cell to a module, and from a module to a battery pack. The lightweight of battery packs has become a market...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D175/14C09D5/25
CPCC09D163/10C09D5/00C08L75/14
Inventor 陈增永王书传张武军
Owner 王书传
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