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; 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 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

PROBLEM TO BE SOLVED: To provide a method for producing a regenerated thermoplastic resin composition, which composition is used for producing a thermoplastic resin composition molding having excellent physical properties, from a crushed product of waste material of the thermoplastic resin composition molding containing talc-based inorganic fillers.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 fillers comprises the steps of: preparing the crushed product of waste material of the thermoplastic resin composition molding containing talc-based inorganic fillers; adding talc having 1-10 μm average particle diameter to the crushed product or a molten product thereof to obtain a mixture; and heat/melting the obtained mixture to obtain another molten product of the thermoplastic resin composition. 【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、物性が優れた熱可塑性樹脂組成物成形体を製造するために用いられる再生熱可塑性樹脂組成物を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；上記粉砕物もしくはその溶融物に平均粒子径が１〜１０μｍのタルクを添加して混合物を得る工程；そして、上記混合物を加熱溶融することにより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