METHOD FOR RECYCLING ELASTOMERS, RECYCLED ELASTOMERS, AND USE OF THE RECYCLED ELASTOMERS

• Main Author: ALVAREZ, Bernardo Barreto
• Format: Patent
• Language: English; French; Portuguese
• Published: 29.06.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

The present invention relates to a method for recycling solid waste consisting of sulphur-based vulcanised elastomers or elastomers cross-linked with peroxides. In this context, the present invention proposes recycling such waste by radical uncrosslinking in the presence of ozone and uncrosslinking...