Thermoplastic elastomer composition, extrusion molded article, and medical tube
US11078357B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2019 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Jun 13, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An object of the present invention is to provide a thermoplastic elastomer composition capable of molding a medical tube excellent in the transparency and kink resistance. The present invention is related to a thermoplastic elastomer composition including a hydrogenated block copolymer (A) wherein the copolymer has at least two polymer blocks P composed mainly of an aromatic vinyl compound unit and at least one polymer block Q composed mainly of a conjugated diene compound unit; the total content of aromatic vinyl compound units is from 8 to 25% by mass; and the copolymer contains a high-MFR hydrogenated block copolymer and a propylene polymer (B).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.