Invention Grant
- Patent Title: Composite having two or more layers, including an EVOH layer
- Patent Title (中): 具有两层或更多层的复合材料，包括EVOH层
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Application No.: US11357971Application Date: 2006-02-22
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Publication No.: US08048504B2Publication Date: 2011-11-01
- Inventor: Guido Schmitz , Harald Haeger , Hans Ries , Wilfried Bartz
- Applicant: Guido Schmitz , Harald Haeger , Hans Ries , Wilfried Bartz
- Applicant Address: DE Essen
- Assignee: Evonik Degussa GmbH
- Current Assignee: Evonik Degussa GmbH
- Current Assignee Address: DE Essen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE10064333 20001221
- Main IPC: B29D22/00
- IPC: B29D22/00 ; B29C47/00 ; B32B27/08 ; B32B27/06 ; F16L11/00 ; H05B6/00
Abstract:
A layered composite which includes the following layers (I) and (II), wherein layer (I) includes (a) from 0 to 80 part by weight of at least one particular polyamide; (b) from 0 to 100 parts by weight of at least one polyamine-polyamide copolymer; and (c) from 0 to 80 parts by weight of at least one particular polyamide which is different from (a), wherein various monomer units are present in at least 20 parts by weight of the entirety of (a) and (b) and various other monomer units are present in at least 20 parts by weight of the entirety of (b) and (c); and layer (II) includes at least one ethylene-vinyl alcohol copolymer.
Public/Granted literature
- US20060141188A1 Composite having two or more layers, including an EVOH layer Public/Granted day:2006-06-29
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