Invention Application
- Patent Title: VERY SOFT, NON-STICKY AND TRANSPARENT STYRENIC THERMOPLASTIC ELASTOMER COMPOSITION
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Application No.: US16492768Application Date: 2018-03-12
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Publication No.: US20200071446A1Publication Date: 2020-03-05
- Inventor: Michiel VERSWYVEL , Norbert NIESSNER , Eike JAHNKE , Daniel WAGNER , Konrad KNOLL
- Applicant: INEOS STYROLUTION GROUP GMBH
- Priority: EP17161349.0 20170316
- International Application: PCT/EP2018/056045 WO 20180312
- Main IPC: C08F297/04
- IPC: C08F297/04 ; A61L29/14 ; A61L29/12 ; A61L29/06 ; C08K5/01 ; C08K5/11 ; C08K5/09

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)l—(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: b 1) 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.
Public/Granted literature
- US11066503B2 Very soft, non-sticky and transparent styrenic thermoplastic elastomer composition Public/Granted day:2021-07-20
Information query
IPC分类: