Injection molding polymer

The present invention relates to improvements in or relating to linear low density polyethylenes (LLDPEs), in particular to the use of LLDPEs for injection moulding and to products obtainable thereby. An LLDPE produced using a single site catalyst, e.g., an LLDPE produced using a metallocene (m-LLDP...

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Main Authors Baann, Hege Vale, Lindahl, Ann Kristin
Format Patent
LanguageEnglish
Published 19.10.2004
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Abstract The present invention relates to improvements in or relating to linear low density polyethylenes (LLDPEs), in particular to the use of LLDPEs for injection moulding and to products obtainable thereby. An LLDPE produced using a single site catalyst, e.g., an LLDPE produced using a metallocene (m-LLDPE), is preferably used in injection moulding of food packaging material, especially closures for food containers. Such materials have been found to exhibit low levels of migration, typically less than 40 mg/dm, e.g., less than 5 mg/dm, and are particularly suitable for use in packaging foods having a high fat content.
AbstractList The present invention relates to improvements in or relating to linear low density polyethylenes (LLDPEs), in particular to the use of LLDPEs for injection moulding and to products obtainable thereby. An LLDPE produced using a single site catalyst, e.g., an LLDPE produced using a metallocene (m-LLDPE), is preferably used in injection moulding of food packaging material, especially closures for food containers. Such materials have been found to exhibit low levels of migration, typically less than 40 mg/dm, e.g., less than 5 mg/dm, and are particularly suitable for use in packaging foods having a high fat content.
Author Baann, Hege Vale
Lindahl, Ann Kristin
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References Edwards et al. (5782344) 19980700
(WO 98/46409) 19981000
Bayer et al. (5925430) 19990700
(10147370) 19980200
Nishimoto et al. (4424243) 19840100
(98/46409) 19981000
Treybig et al. (5015511) 19910500
Canich (5026798) 19910600
Whetten et al. (5929128) 19990700
(9-30566) 19970200
(10147370) 19980600
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