(19) |
 |
|
(11) |
EP 3 910 022 A8 |
(12) |
CORRECTED EUROPEAN PATENT APPLICATION |
|
Note: Bibliography reflects the latest situation |
(15) |
Correction information: |
|
Corrected version no 1 (W1 A3) |
(48) |
Corrigendum issued on: |
|
27.04.2022 Bulletin 2022/17 |
(88) |
Date of publication A3: |
|
26.01.2022 Bulletin 2022/04 |
(43) |
Date of publication: |
|
17.11.2021 Bulletin 2021/46 |
(22) |
Date of filing: 02.03.2021 |
|
(51) |
International Patent Classification (IPC):
|
|
(84) |
Designated Contracting States: |
|
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
|
Designated Extension States: |
|
BA ME |
|
Designated Validation States: |
|
KH MA MD TN |
(30) |
Priority: |
24.03.2020 JP 2020052225
|
(71) |
Applicant: SUMITOMO CHEMICAL COMPANY LIMITED |
|
Chuo-ku
Tokyo 104-8260 (JP) |
|
(72) |
Inventors: |
|
- KUROKAWA, Ryosuke
Ichihara-shi, Chiba 299-0195 (JP)
- HIRAGUCHI, Yukari
Ichihara-shi, Chiba 299-0195 (JP)
|
(74) |
Representative: Winter, Brandl - Partnerschaft mbB |
|
Alois-Steinecker-Straße 22 85354 Freising 85354 Freising (DE) |
|
|
|
(54) |
THERMOPLASTIC ELASTOMER COMPOSITION |
(57) There is provided a thermoplastic elastomer composition capable of maintaining patterns
and shapes such as embossing even after subjected to processing at relatively severe
conditions such as vacuum molding, attaining excellent processability, and giving
excellent outer appearance to a molded product molded therefrom.
A thermoplastic elastomer composition comprising (A) ethylene rubber by 10 to 90wt%,
and (B) propylene polymer by 10 to 90wt%, where a total amount of the thermoplastic
elastomer composition is 100wt%,
in which a pressed sheet obtained by press-molding the thermoplastic elastomer composition
under molding conditions has a sink-in temperature of 115°C or higher, where the sink-in
temperature is measured based on JIS K7196-1991 as a temperature measured when a pressure
load sinks in from a sheet surface by 100 µm, and the molding conditions are such
that the thermoplastic elastomer composition is hot press molded at a temperature
of 200°C with a maximum pressure of 10 MPa for 5 min, and thereafter cold press molded
at a temperature of 23°C with a maximum pressure of 10 MPa for 5 min, so as to prepare
the pressed sheet.