C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/16 (2006.01) C08G 63/685 (2006.01) C08G 79/08 (2006.01) C08L 79/08 (2006.01)
Patent
CA 2144989
Described herein is a melt-processable block copolyesterimide comprising the repeating units (I), (II) and (III) and, op- tionally, a repeating unit (IV), wherein (I) is a repeating unit of formula (I) wherein R is an aliphatic polyether chain and/or a polysiloxane chain; (II) and (III) are repeating units of formulaes (II) and (III) wherein Z is hydrogen, alkyl, alkoxy, aryl, halog- en and w is zero or one; and (IV) is a repeating unit of formula (IV), wherein Z' is hydrogen, alkyl, alkoxy, aryl or halogen and the phenylene ring is substituted in m- or p-position. The repeating unit of formula (I) is present in an amount of 5 to 50 mole-%, the repeating unit of formula (II) is present in an amount of 10 to 80 mole-%, the repeating unit of formula (III) is present in an amount of 5 to 50 mole-% and the repeating unit of formula (IV) is present in an amount of 0 to 45 mole-% of the block copolyes- terimide. The polymer according to the invention has liquid crystalline properties and it can be used as thermoplastic elastomer component of polymer compounds.
Alanko Heli
Bergstrom Christer
Bohme Frank
Harkonen Mika
Passiniemi Pentti
Neste Oy
Swabey Ogilvy Renault
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