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Title:
BLOCKCOPOLYMER COMPOSITIONS, HAVING IMPROVED MECHANICAL PROPERTIES AND PROCESSABILITY
Document Type and Number:
WIPO Patent Application WO2003064527
Kind Code:
A3
Abstract:
A composition to be used for the manufacture of fibers, filaments, melt blown or spun bond non-wovens or cast or blown films, comprising at least 50 wt% of a styrenic block copolymer; a polyolefin in an amount of from 10 to 30 wt%; a resin which is compatible with the poly(styrene) blocks in the styrenic block copolymer in an amount of at least 5 wt%, and a resin which is compatible with the hydrogenated polybutadiene blocks in the styrenic block copolymer an amount of at least 3 wt%, wherein all weight percentages are relative to the weight of the complete composition; styrenic block copolymers to be used therein; and fibers, melt blown or spun bond non-wovens or cast or blown films prepared from it.

Inventors:
JOLY GERT JOHAN (BE)
MARIS CATHERINE AUGUSTA LOUIS (BE)
MOERENHOUT JAAK LODEWIJK (BE)
OOSTERBOSCH SONJA MARIE (BE)
Application Number:
PCT/EP2003/000277
Publication Date:
April 15, 2004
Filing Date:
January 13, 2003
Export Citation:
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Assignee:
KRATON POLYMERS RES BV (NL)
JOLY GERT JOHAN (BE)
MARIS CATHERINE AUGUSTA LOUIS (BE)
MOERENHOUT JAAK LODEWIJK (BE)
OOSTERBOSCH SONJA MARIE (BE)
International Classes:
B32B27/32; C08F297/04; C08L53/02; (IPC1-7): C08L53/02; C08F297/04; B32B27/32
Domestic Patent References:
WO2002028965A12002-04-11
WO2001009239A12001-02-08
WO2001019919A12001-03-22
Foreign References:
US5346964A1994-09-13
EP0863193A11998-09-09
US4970259A1990-11-13
EP1061099A12000-12-20
EP0254346A21988-01-27
US6042907A2000-03-28
EP0413262A21991-02-20
EP0822227A11998-02-04
US5627235A1997-05-06
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