WO2024160326 - RECYCLING PRINTED CIRCUIT BOARDS USING SWELLING AGENT
National phase entry is expected:
Publication Number
WO/2024/160326
Publication Date
08.08.2024
International Application No.
PCT/DK2024/050017
International Filing Date
31.01.2024
Title **
[English]
RECYCLING PRINTED CIRCUIT BOARDS USING SWELLING AGENT
[French]
RECYCLAGE DE CARTES DE CIRCUITS IMPRIMÉS A L'AIDE D'UN AGENT DE GONFLEMENT
Applicants **
VESTAS WIND SYSTEMS A/S
Hedeager 42
8200 Aarhus N, DK
Inventors
BIRKBAK, Mie Elholm
c/o Vestas Wind Systems A/S
Hedeager 42
8200 Aarhus N, DK
HANSEN, Jesper Rømer
c/o Vestas Wind Systems A/S
Hedeager 42
8200 Aarhus N, DK
Priority Data
PA202370053
31.01.2023
DK
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
| * | |
| * | |
International Searching Authority |
EPO
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Translation |
|
Recalculate
* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1266 | |
| EPO | Filing, Examination | 6729 | |
| Japan | Filing | 597 | |
| South Korea | Filing | 575 | |
| USA | Filing, Examination | 2910 |
Total: 12077 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
Methods and systems for recycling a printed circuit board (PCB). The printed circuit board is exposed to a swelling agent that causes an epoxy matrix of the printed circuit board to swell and disintegrate into particles. The particles of epoxy are then separated from the printed circuit board, leaving behind reinforcing fiber and metal containing components thereof. These remaining components are separated from each other and recycled separately using suitable processes. The epoxy particles are also recovered, and may be reduced to a monomer for use in synthesizing new epoxy. The swelling agent includes formic acid as an active ingredient.[French]
L'invention concerne des procédés et des systèmes de recyclage d'une carte de circuit imprimé (PCB). La carte de circuit imprimé est exposée à un agent de gonflement qui amène une matrice époxyde de la carte de circuit imprimé à gonfler et se désintégrer en particules. Les particules d'époxyde sont ensuite séparées de la carte de circuit imprimé, laissant la fibre de renforcement et des composants contenant du métal de celle-ci. Ces composants restants sont séparés les uns des autres et recyclés séparément à l'aide de procédés appropriés. Les particules époxyde sont également récupérées, et peuvent être réduites en un monomère destiné à être utilisé dans la synthèse d'un nouvel époxyde. L'agent de gonflement comprend de l'acide formique en tant que principe actif.