Thermoplastic polyolefin blends
US8410217B2 · kind B2 · utility
33Cited by
38References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2011 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Feb 15, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a blend composition comprising: 1) a linear ethylene containing polymer, such as a LLDPE, a HDPE or the like; and at least 1 weight percent of an in-reactor polymer blend comprising: (a) a first ethylene containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol; and (b) a second ethylene containing polymer having a density of less than 0.90 g/cm3, wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.