Release agent based on ethylene multi-block copolymer
US8012558B2 · kind B2 · utility
7Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 12, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Jun 22, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Release agent more particularly for an adhesive with an ethylene multi-block copolymer, the ethylene multi-block copolymer being composed of hard segment blocks, comprising at least 95% (w/w) ethylene and a comonomer, and of soft segment blocks, comprising ethylene and a comonomer, the fraction of comonomer in the soft segment blocks being between 10 and 20 mol %, and the fraction of the hard segment blocks in the ethylene multi-block copolymer being not more than 45% (w/w).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.