SEPARATION RECOVERY METHOD FOR LAMINATED STRUCTURE

PROBLEM TO BE SOLVED: To provide a separation recovery method for a laminated structure by which a foamed resin heat insulating material layer can be efficiently and surely separated and recovered from a hard board, and in addition, recycling of the recovered hard board and foamed resin heat-insulat...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIO KEITARO, MAEDA SHINICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a separation recovery method for a laminated structure by which a foamed resin heat insulating material layer can be efficiently and surely separated and recovered from a hard board, and in addition, recycling of the recovered hard board and foamed resin heat-insulating material layer is extremely easy. SOLUTION: A laminated structure 1 in which the foamed resin heat-insulating material layer 20 is laminated on the hard board 10 is set in a sealed container 32, and an organic bead made of a resin is jetted to the foamed resin heat-insulating material layer 20 by a discharge pressure of 0.5 to 6.0 kg/cm2. Then, the pulverized product of the foamed resin heat-insulating material which has been separated from the hard board 10 and the organic bead are recovered together. The recovered pulverized product and the organic bead are respectively separated by a separator 36, the pulverized product is reused through a specified process, and the organic bead is used for the jetting again. COPYRIGHT: (C)2004,JPO