The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 17, 2025

Filed:

Sep. 25, 2020
Applicant:

Arkema France, Colombes, FR;

Inventor:

Jean-Luc Dubois, Colombes, FR;

Assignee:

Arkema France, Puteaux, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/00 (2006.01); B29B 13/10 (2006.01); B29B 17/02 (2006.01); B29K 33/00 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B29B 17/0206 (2013.01); B29B 13/10 (2013.01); C07C 67/00 (2013.01); B29B 2017/0224 (2013.01); B29B 2017/0258 (2013.01); B29K 2033/12 (2013.01); B29K 2105/0002 (2013.01);
Abstract

A process for recycling a first article to be recycled including a composite material based on a fibrous reinforcer and a thermoplastic, preferably (meth)acrylic, polymer matrix, wherein the recycling process includes the following steps: introduction of the first article into a system suitable for the recycling of thermoplastic polymer, introduction, into the system suitable for the recycling of thermoplastic polymer, of a second article to be recycled including a thermoplastic polymer resin, and not including any fibrous reinforcer, heating of the articles to be recycled at a given temperature, in the system suitable for recycling thermoplastic polymer, so as to depolymerize the thermoplastic, preferably (meth)acrylic, polymers, and to form base monomers of the thermoplastic polymers, and recovery of the constituent base monomers of the thermoplastic polymers.


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