Olefin block copolymer composition with low tack
US9593237B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jun 1, 2015 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Jun 1, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2312/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are oil-extended olefin block copolymer compositions with low, or no, tack. A unique comonomer content in the soft segment of the OBC in conjunction with the presence of a polyolefin provides the present oil-extended OBC composition with softness, low (or no) tack, and low (or no) oil-bleed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.