METHOD FOR RECYCLING POST-CONSUMER ABSORBENT ARTICLE

The present invention relates to a method for recovering plastic material(s) from a post-consumer disposable absorbent article comprising a topsheet, a backsheet, an absorbent core, a hot melt adhesive composition H, wherein at least one of the topsheet and the backsheet comprises at least one plast...

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Bibliographische Detailangaben
Hauptverfasser:	BELLINI, Clement, LAFERTE, Olivier
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MAKING GRANULES OR PREFORMS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED PROSTHESES RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a method for recovering plastic material(s) from a post-consumer disposable absorbent article comprising a topsheet, a backsheet, an absorbent core, a hot melt adhesive composition H, wherein at least one of the topsheet and the backsheet comprises at least one plastic material,wherein the hot melt adhesive composition H comprises:∘ at least one polymer P selected from the group consisting of polyolefins, thermoplastic block copolymers of a vinyl-based aromatic hydrocarbon and a conjugated diene compound, and mixtures thereof;∘ at least one tackifier T comprising at least one ester group or carboxylic acid group;the method being characterized in that it comprises:- a step i) of providing a post-consumer disposable absorbent article,- a step ii) of immersing the post-consumer disposable absorbent article in an alkaline aqueous solution in conditions sufficient to obtain debonding of plastic material(s),- a step iii) of separation and recovering of plastic material(s) from the medium.