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1. WO1996027597 - HEXAGONAL DIACETAL CRYSTAL, NUCLEATING AGENT CONTAINING THE HEXAGONAL CRYSTAL, POLYOLEFIN RESIN COMPOSITION CONTAINING THE HEXAGONAL CRYSTAL, MOLDED ARTICLES OF THE COMPOSITION, AND PROCESS FOR MOLDING THE COMPOSITION

Publication Number WO/1996/027597
Publication Date 12.09.1996
International Application No. PCT/JP1996/000476
International Filing Date 29.02.1996
Chapter 2 Demand Filed 20.09.1996
IPC
C07D 493/04 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
C08K 5/1575 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUSE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS
5Use of organic ingredients
04Oxygen-containing compounds
15Heterocyclic compounds having oxygen in the ring
156having two oxygen atoms in the ring
1575Six-membered rings
CPC
C07D 493/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
493Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
02in which the condensed system contains two hetero rings
04Ortho-condensed systems
C08K 5/1575
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
5Use of organic ingredients
04Oxygen-containing compounds
15Heterocyclic compounds having oxygen in the ring
156having two oxygen atoms in the ring
1575Six-membered rings
Applicants
  • NEW JAPAN CHEMICAL CO., LTD. [JP]/[JP] (AllExceptUS)
  • KOBAYASHI, Toshiaki [JP]/[JP] (UsOnly)
  • SAKAI, Shizuyoshi [JP]/[JP] (UsOnly)
Inventors
  • KOBAYASHI, Toshiaki
  • SAKAI, Shizuyoshi
Agents
  • SAEGUSA, Eiji
Priority Data
7/4442903.03.1995JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) HEXAGONAL DIACETAL CRYSTAL, NUCLEATING AGENT CONTAINING THE HEXAGONAL CRYSTAL, POLYOLEFIN RESIN COMPOSITION CONTAINING THE HEXAGONAL CRYSTAL, MOLDED ARTICLES OF THE COMPOSITION, AND PROCESS FOR MOLDING THE COMPOSITION
(FR) CRISTAL HEXAGONAL DE DIACETAL, AGENT NUCLEANT RENFERMANT CE CRISTAL HEXAGONAL, COMPOSITION DE RESINE POLYOLEFINIQUE RENFERMANT LEDIT CRISTAL HEXAGONAL, ARTICLES OBTENUS PAR MOULAGE DE CETTE COMPOSITION, ET PROCEDE DE MOULAGE DE LADITE COMPOSITION
Abstract
(EN)
A hexagonal crystal of a diacetal of general formula (1) (wherein R1 and R2 are each C1-C4 alkyl or halogen; m and n are each an integer of 0 to 2; and p is 0 or 1); a nucleating agent comprising a diacetal of the above general formula (1), part or the whole of the molecules thereof being hexagonal crystals; a polyolefin resin composition comprising the nucleating agent and a polyolefin resin; an article molded from the resin composition; and a process for molding the resin composition. The present invention makes it possible to give molded articles free from fish-eye and discoloration and excellent in optical, mechanical and thermal properties in a shortened molding cycle.
(FR)
Cristal hexagonal d'un diacétal répondant à la formule générale (1) (dans laquelle R1 et R2, indépendamment l'un de l'autre, représentent alkyle C1-4 ou halogène; m et n, indépendamment l'un de l'autre, sont un nombre entier compris entre 0 et 2; et p vaut 0 ou 1); agent nucléant comportant un diacétal répondant à la formule générale (1) susmentionnée, au moins certaines de ses molécules étant des cristaux hexagonaux; composition de résine polyoléfinique comportant cet agent nucléant et une résine polyoléfinique; article obtenu par moulage de cette composition de résine; et procédé de moulage de ladite composition de résine. Cette invention permet d'obtenir, dans un cycle de moulage plus court, des articles moulés exempts d'÷ils-de-poisson et d'altérations de couleur, et dotés de propriétés optiques, mécaniques et thermiques excellentes.
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