MULTILAYERED PELLET COMPRISING ETHYLENE/VINYL ALCOHOL COPOLYMER RESIN COMPOSITIONS

Title:

MULTILAYERED PELLET COMPRISING ETHYLENE/VINYL ALCOHOL COPOLYMER RESIN COMPOSITIONS

Document Type and Number:

WIPO Patent Application WO/2006/025615

Kind Code:

A1

Abstract:

A multilayered pellet of the core-sheath structure which comprises: a core made of an ethylene/vinyl alcohol copolymer composition (A) which comprises (i) an ethylene/vinyl alcohol copolymer (a) and a modified ethylene/vinyl alcohol copolymer (b), (ii) a modified ethylene/vinyl alcohol copolymer (b), or (iii) an ethylene/vinyl alcohol copolymer (a) and a plasticizer (d); and a sheath made of an ethylene/vinyl alcohol copolymer composition (B). The difference in heat-sealing temperature between the compositions (A) and (B) is 3 to 100°C.

Inventors:

KAWAMURA SYUKITI (JP)

Application Number:

PCT/JP2005/016578

Publication Date:

March 09, 2006

Filing Date:

September 02, 2005

Export Citation:

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Assignee:

KURARAY CO (JP)
KAWAMURA SYUKITI (JP)

International Classes:

B29B9/12; B29K29/00; C08J3/12; C08L29/04; (IPC1-7): C08J3/12; B29B9/12; B29K29:00; C08L29:04

Foreign References:

JP2001139067A

2001-05-22

Other References: