METHOD FOR PRODUCING REGENERATED THERMOPLASTIC RESIN COMPOSITION

• Main Authors: KITA YASUO, NISHIKAWA NOBUO, KITASHIRO UN
• Format: Patent
• Language: English; Japanese
• Published: 11.05.2015
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; 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; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; 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; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

PROBLEM TO BE SOLVED: To provide a method for efficiently producing a regenerated thermoplastic resin composition, which composition is used for producing a thermoplastic resin composition molding having desired physical property values, from a crushed product of waste material of the thermoplastic resin composition molding containing talc-based inorganic material filler.SOLUTION: The method for producing the regenerated thermoplastic resin composition, which composition is used for producing the thermoplastic resin composition molding, from the crushed product of waste material of the thermoplastic resin composition molding containing talc-based inorganic material filler comprises the steps of: preparing the crushed product of waste material of the thermoplastic resin composition molding containing talc-based inorganic material filler; measuring the amount of the inorganic material filler in the crushed product; adding talc to the crushed product or a molten product thereof to prepare a mixture containing the inorganic material filler of an otherwise-determined amount; and heating/melting the prepared mixture to obtain another molten product of the thermoplastic resin composition containing the inorganic material filler. 【課題】タルクを主成分とする無機材料フィラーを含有する熱可塑性樹脂組成物の成形体廃棄品の粉砕物から、所望の物性値を持つ熱可塑性樹脂組成物成形体を製造するために利用される再生熱可塑性樹脂組成物を効率よく製造する方法を提供する。【解決手段】タルクを主成分とする無機材料フィラーを含有する熱可塑性樹脂組成物の成形体廃棄品の粉砕物から熱可塑性樹脂組成物成形体製造用の再生熱可塑性樹脂組成物を製造する方法であって、タルクを主成分とする無機材料フィラーを含有する熱可塑性樹脂組成物の成形体廃棄品の粉砕物を用意する工程；上記粉砕物中の無機材料フィラーの量を測定する工程；上記粉砕物もしくはその溶融物にタルクを添加して、無機材料フィラーを別に定めた量にて含有する混合物を調製する工程；そして、上記混合物を加熱溶融することにより、無機材料フィラーを含有する熱可塑性樹脂組成物の溶融物を得る工程を含む方法。【選択図】なし