RECYCLED RESIN COMPOSITION OBTAINED FROM CRUSHED WASTE PLASTIC MATERIAL CONTAINING SOLID FOREIGN MATTER

PROBLEM TO BE SOLVED: To provide a resin composition capable of manufacturing a synthetic resin product having no defects in its appearance, by using as a raw material a waste plastic material containing as a main component a thermoplastic resin containing a small amount of insoluble solid foreign m...

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Bibliographische Detailangaben
Hauptverfasser:	KITA YASUO, AKAHO TATSUFUMI, AKAGAWA TOMOHIKO, NOZAKI MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS 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 US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a resin composition capable of manufacturing a synthetic resin product having no defects in its appearance, by using as a raw material a waste plastic material containing as a main component a thermoplastic resin containing a small amount of insoluble solid foreign matter mingled.SOLUTION: A recycled resin composition is obtained by mixing a crushed waste plastic material containing a major amount of a thermoplastic resin and a small amount of non-thermoplastic solid foreign matters with a light-shielding component, and heating and melting the mixture. The relation of the luminosity and the light transmittance of a sheet fabricated form the recycled resin composition is represented by the following expression: (A×B)≤4,000 [A: a luminosity (%) of a sheet of 3 mm in thickness fabricated from the resin composition; and B: a total light transmittance (%) of a sheet of 50 μm in thickness fabricated from the resin composition].