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.
Patent No.:
Date of Patent:
Apr. 28, 2026
Filed:
Mar. 04, 2021
Luxembourg Institute of Science and Technology (List), Esch-sur-Alzette, LU;
Pierre Verge, Esch-sur-Alzette, LU;
Laura Puchot, Esch-sur-Alzette, LU;
Acerina Trejo Machin, Esch-sur-Alzette, LU;
LUXEMBOURG INSTITUTE OF SCIENCE AND TECHNOLOGY (LIST), Esch-sur-Alzette, LU;
Abstract
Disulfide-containing benzoxazine monomers of formula I Also a process for synthesizing a disulfide-containing benzoxazine monomer of formula I comprises the following steps consisting of providing a mixture comprising an amino disulfide compound:HN—R—NH, wherein R is as defined for the monomer of formula I, an aldehyde derivative; phenolic derivatives, stirring the mixture under a temperature of from 50° C. to 130° C. for 1 h to 48 h, for obtaining the monomer of formula I; wherein the respective stoichiometry of the amino disulfide compound:aldehyde derivative:phenolic derivatives is 1:4:x+x, with x+x=2 and 0<x;x<2. Also a process for preparing a polybenzoxazine derivative vitrimer comprising a polymerization of the benzoxazine monomer at temperatures within the range of from 100° C. to 250° C. for 1 h to 24 h, for obtaining the polybenzoxazine derivatives vitrimer. Also polybenzoxazine derivative vitrimers, presenting at least one of the following characteristics of Tg values of from 0° C. to 250° C.; and relaxation temperature values, above the Tg values, of from 0° C. to 250° C.