HIGH-DENSITY POLYETHYLENE COMPOSITION, PRODUCTION THEREOF, AND METHOD FOR STABILIZING HIGH-DENSITY POLYETHYLENE

PROBLEM TO BE SOLVED: To obtain a high-density polyethylene compsn. excellent in stability to thermal or oxidative degradation by compounding a high-density polyethylene with a specified amt. of a specific phosphite compd. SOLUTION: This compsn. is prepd. by compounding 100 pts.wt. high-density poly...

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Hauptverfasser:	MIYAKE KUNIHITO, FUKUDA KANAKO, SASAKI MANJI
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES 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 obtain a high-density polyethylene compsn. excellent in stability to thermal or oxidative degradation by compounding a high-density polyethylene with a specified amt. of a specific phosphite compd. SOLUTION: This compsn. is prepd. by compounding 100 pts.wt. high-density polyethylene with 0.005-5 pts.wt., pref. 0.01-5 pts.wt., phosphite compd. represented by formula I and/or formula II. In the formulas, R is H or 1-8C alkyl; R , R , R and R are each R , 5-8C cycloalkyl, 6-12C alkylcycloalkyl, 7-12C aralkyl or phenyl; X is a single bond, S or -CHR-; R is R or 5-8C cycloalkyl; A is 2-8C alkylene or -COR (wherein means bonding to the O side); R is a single bond or 1-8C alkylene; one of Y and Z is OH, 1-8C alkoxy or 7-12C aralkyloxy and the other is R ; R , R , R and R are each R ; X1 is a dihydric alcohol residue; X2 is R ; and Y1 is OH, 1-8C alkoxy or 7-12C aralkyloxy.