METHOD FOR PRODUCING RESIN COMPOSITION

PROBLEM TO BE SOLVED: To provide a method for producing a resin composition by adding a carbodiimide compound in performing molding of a polymer having an acid group, wherein the both components are melted and kneaded without thermal denaturation, degradation, decoloration or the like, and a free is...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIMARU JUNICHI, SHOJI SHINICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing a resin composition by adding a carbodiimide compound in performing molding of a polymer having an acid group, wherein the both components are melted and kneaded without thermal denaturation, degradation, decoloration or the like, and a free isocyanate is not generated during the process.SOLUTION: The method includes: quantatively charging a compound having one carbodiimide group and containing a cyclic structure where the first nitrogen and the second nitrogen of the group are bonded by a bonding group, in the proximity of outlet of a hopper for charging a dried polymer pellet having an acid group, or a raw material-charging port of a molding machine; directly mixing into the polymer pellets having the acid group in a dry state; and immediately melting and molding.