Hexagonal crystals of diacetal, uncleatingagent comprising said hexagonal crystals, polyolefin type resin composition and molded product comprising sad hexagonal crystals, and method for molding said composition

Hexagonal crystals of diacetal, uncleatingagent comprising said hexagonal crystals, polyolefin type resin composition and molded product comprising sad hexagonal crystals, and method for molding said composition

The present invention provides hexagonal crystals of a diacetal represented by the formula (1), (wherein R1 and R2 each represents a C1-4 alkyl group or a halogen atom, m and n each represents and integer of 0 to 2 and p represents 0 or 1), a nucleating agent comprising a diacetal of the formula (1)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKAI, SHIZUYOSHI, KOBAYASHI, TOSHIAKI
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
HETEROCYCLIC COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
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Beschreibung
Zusammenfassung:The present invention provides hexagonal crystals of a diacetal represented by the formula (1), (wherein R1 and R2 each represents a C1-4 alkyl group or a halogen atom, m and n each represents and integer of 0 to 2 and p represents 0 or 1), a nucleating agent comprising a diacetal of the formula (1) a part or the whole of which is in the form of hexagonal crystals, a polyolefin type resin composition and a resin molded product comprising said nucleating agent and a polyolefin type resin, and a method of molding said resin composition. According to the present invention, fish eyes and coloring of the molded product are inhibited, and the molded product is excellent in optical, mechanical and thermal properties, and the molding cycle is shortened.