Dialkyl peroxide composition for modifying the rheology of polypropylene in molten state
US11299564B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2017 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Apr 19, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2491/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a liquid composition comprising at least one dialkyl peroxide, in liquid form at ambient temperature, at a content comprised within a range of from 75 to 77% by weight relative to the total weight of the composition, and at least one mineral oil with viscosity greater than 15 mPa·s, measured at a temperature of 10° C. and at a shear rate of 1000 s−1.Furthermore, the invention relates to the use of said composition to modify the melt rheology of the polypropylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.