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Patent Searching and Data


Title:
DEEP-DRAWABLE COMPOSITE SHEET AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPH07137112
Kind Code:
A
Abstract:

PURPOSE: To obtain a sheet good in scar resistance and deep drawing properties and having a constant matte degree by constituting the sheet of an upper sheet comprising a specific compsn. containing polyolefin and a lower sheet comprising a specific compsn. containing polyolefin and different from the compsn. of the upper sheet.

CONSTITUTION: An upper sheet 2 constituting a sheet contains 20-80 pts.wt. of crosslinked PP-EPDM and 80-20 pts.wt. of a un-crosslinked propylene-block- copolymer and 15-1 wt.% of the latter is replaced with a polymer having a reactive group and/or an ionomer. The lower sheet 3 constituting the sheet consists of 5-55 wt.% of partially crosslinked EPDM, 13-25 wt.% of a propylene polymer, 73-19 wt.% of a polymer having a reactive group based on ethylene and (meth)acrylic acid and/or an ionomer and 9-1 wt.% of a polymer having a reactive group. A polyurethane-containing layer is arranged to the upper part of the upper sheet or the lower part of the lower sheet 3 to become a protective layer 1.


Inventors:
TANBIRAYAA MATABUAN
EEBERUHARUTO DOUUSU
Application Number:
JP13908694A
Publication Date:
May 30, 1995
Filing Date:
June 21, 1994
Export Citation:
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Assignee:
ALKOR GMBH
International Classes:
B29C48/18; B29C51/08; B29D7/01; B32B25/14; B32B25/04; B32B27/08; B32B27/28; B32B27/32; B60R13/02; C08L23/08; C08L23/10; C08L23/16; C08L51/06; C08L53/00; B29C51/00; B29K23/00; B29K33/04; B29L9/00; C08L51/00; (IPC1-7): B29C47/06; B29C51/08; B32B25/14; B32B27/32
Attorney, Agent or Firm:
Toshio Yano (2 outside)