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Light polyurethane-polyurea pouring sealant and preparation method thereof

A technology of polyurethane and potting glue, which is applied in the field of polyurethane and polyurea, which can solve the problems of increased weight, high density, and decreased energy density of battery packs, and achieves reduced permanent deformation, high compressive strength, and excellent chemical resistance. Effect

Inactive Publication Date: 2018-06-22
苏州聚联电子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, another method to fix the battery pack is to use the traditional silicone potting glue to seal and fix the gap while filling the gap. This process has a good fixing effect, but the traditional silicone potting glue has a high density (generally 1.2 -2.0g / cm 3 About), which will cause a substantial increase in the weight of the battery pack and a decrease in energy density

Method used

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  • Light polyurethane-polyurea pouring sealant and preparation method thereof
  • Light polyurethane-polyurea pouring sealant and preparation method thereof
  • Light polyurethane-polyurea pouring sealant and preparation method thereof

Examples

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Effect test

Embodiment 1

[0030] This embodiment provides a lightweight polyurethane-polyurea potting compound prepared by mixing the following components by weight:

[0031]

Embodiment 2

[0033] This embodiment provides a lightweight polyurethane-polyurea potting compound prepared by mixing the following components by weight:

[0034]

Embodiment 3

[0036] This embodiment provides a lightweight polyurethane-polyurea potting compound prepared by mixing the following components by weight:

[0037]

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PUM

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Abstract

The invention relates to the technical field of polyurethane and polyurea, in particular to a light polyurethane-polyurea pouring sealant and a preparation method thereof. The polyurethane-polyurea pouring sealant disclosed by the invention has the comprehensive performance of light weight (less than or equal to 1.0g / cm<3>), superior chemical tolerance, heat conductivity or heat insulation property, flame retardance, light weight and the like. By adopting light filler which has higher compressive strength, permanent deformation caused by a foaming material can be effectively lowered.

Description

technical field [0001] The invention relates to the technical field of polyurethane and polyurea, in particular to a lightweight polyurethane-polyurea potting compound and a preparation method thereof. Background technique [0002] With the new energy revolution, chemical energy will gradually be phased out. Many countries in the world have announced that they will stop the production and sales of fuel vehicles around 2030. Power lithium batteries will quickly become the energy carrier of automobiles, and power lithium batteries also have an urgent need to continuously increase the specific energy. How to safely and effectively increase the energy density of lithium batteries is a top priority for lithium battery manufacturers. [0003] Various companies have different explorations for the current lithium battery assembly process, but judging from the current technological development path, soft-pack batteries are gradually favored by most companies because of their light we...

Claims

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Application Information

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IPC IPC(8): C09J175/08C09J175/02C09J11/06C09J11/04H01M2/08H01M50/193
CPCC09J11/04C09J11/06C09J175/02C09J175/08C08K5/03C08K3/2279C08K5/54C08K2003/282C08K7/28C08K13/04H01M50/183Y02E60/10
Inventor 邓长明
Owner 苏州聚联电子材料有限公司
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