公开(公告)号：ES2009131B3

公开(公告)日：1989-09-01

申请号：ES87103923

申请日：1987-03-18

Applicant: HOECHST AG

Inventor： NEUMANN HORST ,  BUSCH MANFRED

IPC: B29C49/46 ,  B29C49/58 ,  B29C49/60

Abstract: EN SOPLANTES DE EXTRUSION DE HDPE CON MEDIOS SOPLANTES AGRESIVOS SE IMPIDE EL DESPRENDIMIENTO DE MEDIOS SOPLANTES EN LA SUPERFICIE DE CONTACTO MANDRIL SOPLANTE HDPE, SI SE EMPLEA UN MANDRIL SOPLANTE (1, 2) CON UN ELEMENTO DE CIERRE (3) MOVIL AXIAL.

公开(公告)号：DE3610389A1

公开(公告)日：1987-10-01

申请号：DE3610389

申请日：1986-03-27

Applicant: HOECHST AG

Inventor： NEUMANN HORST ,  BUSCH MANFRED

IPC: B29C49/46 ,  B29C49/58 ,  B29C49/60

Abstract: Escape of the blow medium at the blow mandrel/HDPE contact surface is prevented during extrusion blow molding of HDPE with an aggressive blow medium if a blow mandrel with a movable sealing element is used.

公开(公告)号：AU5268179A

公开(公告)日：1980-05-15

申请号：AU5268179

申请日：1979-11-09

Applicant: HOECHST AG

Inventor： DORRER BERNHARD ,  KLOOS FRIEDRICH ,  NEUMANN HORST ,  STRAMETZ HELMUT

IPC: C08L23/00 ,  C08L7/00 ,  C08L21/00 ,  C08L23/06 ,  C08L23/12 ,  C08L23/16 ,  C08L101/00 ,  C08F4/64 ,  C08F110/06

Abstract: A polypropylene molding composition of polypropylene, ethylene-propylene copolymer and polyethylene having a high hardness and increased impact strength and homogeneity after processing is obtained by way of a continuous three-stage polymerization, when the melt viscosities of the polymer mixtures obtained in the individual stages are in a determined ratio of one to the other.

公开(公告)号：DE3760156D1

公开(公告)日：1989-06-22

申请号：DE3760156

申请日：1987-03-18

Applicant: HOECHST AG

Inventor： NEUMANN HORST ,  BUSCH MANFRED

IPC: B29C49/46 ,  B29C49/58 ,  B29C49/60

Abstract: Escape of the blow medium at the blow mandrel/HDPE contact surface is prevented during extrusion blow molding of HDPE with an aggressive blow medium if a blow mandrel with a movable sealing element is used.

公开(公告)号：AU529274B2

公开(公告)日：1983-06-02

申请号：AU5268179

申请日：1979-11-09

Applicant: HOECHST AG

Inventor： DORRER BERNHARD ,  KLOOS FRIEDRICH ,  NEUMANN HORST ,  STRAMETZ HELMUT

IPC: C08L23/00 ,  C08L7/00 ,  C08L21/00 ,  C08L23/06 ,  C08L23/12 ,  C08L23/16 ,  C08L101/00 ,  C08F4/64 ,  C08F110/06

Abstract: A polypropylene molding composition of polypropylene, ethylene-propylene copolymer and polyethylene having a high hardness and increased impact strength and homogeneity after processing is obtained by way of a continuous three-stage polymerization, when the melt viscosities of the polymer mixtures obtained in the individual stages are in a determined ratio of one to the other.

公开(公告)号：CA749862A

公开(公告)日：1967-01-03

申请号：CA749862D

Applicant: HOECHST AG

Inventor： NEUMANN HORST ,  HORNDLER FRITZ