公开(公告)号：CA2113685A1

公开(公告)日：1994-07-26

申请号：CA2113685

申请日：1994-01-18

Applicant: HOECHST AG

Inventor： SCHUHMANN DETLEF E ,  DRIES THOMAS ,  WILHELM ADOLF ,  SCHEIDECKER DIETER ,  LOHMANN HARALD ,  MURSCHALL URSULA ,  PEIFFER HERBERT ,  SCHLOEGL GUNTER

IPC: B29C47/00 ,  B29C47/06 ,  B29C55/02 ,  B29C59/08 ,  B29C59/10 ,  B29D7/01 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B65D65/40 ,  C08K3/00 ,  C08K3/26 ,  C08K5/17

Abstract: A coextruded, biaxially orientated film comprising a base layer, which comprises a polypropylene or a polypropylene mixture, and at least one top layer comprising olefinic polymers. The top layer comprises a combination of inorganic and/or organic particles and tertiary aliphatic amine of the formula I (I) in which R1 essentially is an at least partially unsaturated alkyl radical having at least 18 carbon atoms or an essentially completely saturated alkyl radical having 8 to 26 carbon atoms and R2 and R3 are identical or different and are R4-CH2OH, in which R4 is an essentially saturated C1-C6-alkyl radical. The film is useful, for example, as a label or wrapping.

公开(公告)号：CA2122887A1

公开(公告)日：1994-11-07

申请号：CA2122887

申请日：1994-05-04

Applicant: HOECHST AG

Inventor： SCHUHMANN DETLEF E ,  DRIES THOMAS ,  WILHELM ADOLF ,  SCHEIDECKER DIETER ,  LOHMANN HARALD

IPC: B32B27/20 ,  B32B27/32 ,  B65D65/40 ,  B32B27/08 ,  B29C47/06

Abstract: The invention relates to a multilayer polypropylene film which comprises a base layer K, an interlayer Z and an outer layer D in the structure KZD. The base layer includes propylene polymer or a propylene polymer mixture and filler. The interlayer includes a propylene polymer or a propylene polymer mixture and pigment. The outer layer is heat-sealable and contains a combination of inorganic and/or organic particles and a tertiary aliphatic amine of the formula I: in which R1 is essentially an alkyl radical having at least 18 carbon atoms or an essentially fully saturated alkyl radical having 8 to 26 carbon atoms, and R2 and R3 are identical or different and are R4-CH2OH, in which R4 is an essentially saturated C1-C6-alkyl radical.

公开(公告)号：CA2047469A1

公开(公告)日：1992-01-22

申请号：CA2047469

申请日：1991-07-19

Applicant: HOECHST AG

Inventor： SCHUHMANN DETLEF E ,  PEIFFER HERBERT ,  MURSCHALL URSULA ,  SCHLOEGL GUNTER

IPC: B32B27/32 ,  B65D65/40 ,  B29C47/06 ,  B29C47/78 ,  B29C55/12 ,  B32B27/18

Abstract: A sealable film is disclosed comprising (i) a base layer comprising polypropylene and a hydrocarbon resin having a softening point of at least 140.degree.C, and (ii) at least one top layer comprising (a) an ethylene/propylene copolymer having an ethylene content of not more than about -10% by weight, (b) a propylene/1-butene copolymer, (c) a propylene/ethylene/alpha-olefin terpolymer, or (d) a blend of two or more of (a), (b) and (c), wherein at least one of said base layer and said at least one top layer contains an anti-blocking agent or lubricant. The film possesses improved barrier properties with respect to permeability to water vapor and oxygen, and which at the same time exhibits favorable slip properties and low shrink values.