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Title:
THERMALLY TRIGGERED PRIMER AND THERMOSETTING ADHESIVE MULTILAYER COMPOSITION FOR DETACHMENT OF EV BATTERY PACK
Document Type and Number:
WIPO Patent Application WO/2024/000393
Kind Code:
A1
Abstract:
Methods may include detaching a battery pack adhered to a substrate by a multilayer composition, including: heating the multilayer composition to a detachment temperature above 60℃, the multilayer composition comprising one or more thermoplastic primer layers having a transition temperature in the range of 60 ℃ to 120 ℃, and one or more thermoset adhesive layers; and separating one or more layers of the multilayer composition to detach the battery pack from the substrate, wherein the substrate has a surface energy of 35 dynes/cm or greater.

Inventors:
CHEN YONGCHUN (CN)
MENG QINGWEI (CN)
ZHANG YI (CN)
CHEN HONGYU (CN)
GAO QI (CN)
FAN YANBIN (CN)
GUO SHOUXUE (CN)
GUO YONGJIN (CN)
FENG SHAOGUANG (CN)
Application Number:
PCT/CN2022/102793
Publication Date:
January 04, 2024
Filing Date:
June 30, 2022
Export Citation:
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Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
DOW SILICONES CORP (US)
CHEN YONGCHUN (CN)
MENG QINGWEI (CN)
ZHANG YI (CN)
CHEN HONGYU (CN)
GAO QI (CN)
FAN YANBIN (CN)
GUO SHOUXUE (CN)
GUO YONGJIN (CN)
FENG SHAOGUANG (CN)
International Classes:
H01M50/249; C09J5/06; H01M50/262; H01M10/6554
Foreign References:
CN216133924U2022-03-25
US10870257B22020-12-22
US20170204272A12017-07-20
US20160301117A12016-10-13
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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