Method of manufacturing a PET bottle with improved resistance to environmental stress cracking

The present invention relates to a PET bottle having improved resistance to environmental stress cracking when the inner or outer surface of the bottle is treated with stress cracking causing chemical substances and to a method of manufacturing such a bottle. The invention also relates to a preform...

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Bibliographische Detailangaben
Hauptverfasser:	NAGEL, MARION, STOLP, MATTHIAS, VOERCKEL, VOLKMAR, ECKERT, ROLF
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a PET bottle having improved resistance to environmental stress cracking when the inner or outer surface of the bottle is treated with stress cracking causing chemical substances and to a method of manufacturing such a bottle. The invention also relates to a preform of such a bottle, the perform being modified to obtain a PET bottle having said improved resistance to environmental stress cracking. The invention further relates to the use of specific organic solvents for treating a PET bottle or a PET preform of such a bottle in order to obtain a bottle having said improved resistance to environmental stress cracking.