VERY SOFT, NON-STICKY AND TRANSPARENT STYRENIC THERMOPLASTIC ELASTOMER COMPOSITION

Title:

VERY SOFT, NON-STICKY AND TRANSPARENT STYRENIC THERMOPLASTIC ELASTOMER COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2018/166958

Kind Code:

A8

Abstract:

Thermoplastic elastomer compositions can be used for medical skin contact applications, comprising: a) 90.9 to 69.0 wt.-% star-shaped block copolymer A with 4 arms of the general structure [S1-(S/B)k-(S/B)I-(S/B)m-S2]n-X, where S1 and S2 are vinylaro-matic hard polymer and S/B are soft random vinylaromatic/diene copolymer blocks; X is a coupling center; and b) 9.1 to 31.0 wt.-% of a plasticizer B: b1) a mixture of mineral oil B1 and cyclohexane 1,2-dicarboxylic acid C8 to C10 dialkyl ester B2; or b2) a mixture of mineral oil B1 and vegetable oil B3.

Inventors:

VERSWYVEL MICHIEL (BE)
NIESSNER NORBERT (DE)
JAHNKE EIKE (CH)
WAGNER DANIEL (DE)
KNOLL KONRAD (DE)

Application Number:

PCT/EP2018/056045

Publication Date:

April 25, 2019

Filing Date:

March 12, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

INEOS STYROLUTION GROUP GMBH (DE)

International Classes:

C08L53/02; C08F297/04; C08K5/01; C08K5/103; C08K5/12; A61J1/10; A61M39/00