METHOD AND DEVICE FOR REGENERATING POLYURETHANE FOAM WASTE, ESP. FLEXIBLE FOAM WASTE, FOR REUSING IT AS ADDITIVE IN PRODUCING POLYURETHANE

PURPOSE: To perform fine comminution with low dust in a little expenditure on an apparatus and a little energy consumption. CONSTITUTION: Polyurethane foam wastes can be comminuted to a desired particle size for recycling as an additive in producing a polyurethane in a fine comminution apparatus arr...

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Bibliographische Detailangaben
Hauptverfasser:	FUERUDEINANTO PUROKUSA, RAINAA RATSUFUERU, YURUGEN BUIRUTO, HANSU MIHIYAERU SHIYURUTSUBATSUHA, FUERUDEINANTO ARUTOHAUZEN
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MAKING GRANULES OR PREFORMS MILLING GRAIN PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED PREPARATORY TREATMENT OF GRAIN FOR MILLING RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE: To perform fine comminution with low dust in a little expenditure on an apparatus and a little energy consumption. CONSTITUTION: Polyurethane foam wastes can be comminuted to a desired particle size for recycling as an additive in producing a polyurethane in a fine comminution apparatus arranged downstream of a coarse comminution apparatus in a low-dust and energy-saving manner and the fine comminution is pref. performed by passing and compressing by a plurality of times a mixture of the coarsely comminuted material and one of the reaction components through a nozzle 19 or a plurality of nozzles 19 and 21.