Polypropylene-based adhesive compositions
US8536268B2 · kind B2 · utility
60Cited by
65References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2005 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Oct 29, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An adhesive composition comprising a copolymer of propylene and at least one comonomer selected from the group consisting of ethylene and C4-20α-olefins, the copolymer having (i) a content of units derived from propylene of greater than about 50 mole percent, (ii) a Brookfield viscosity at 190 C from about 50 to about 100,000 cP, (iii) an MWD from about 1.5 to about 15, and (iv) containing less than about 50 ppm residual catalyst metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.