Patent · US Active

Dialkyl peroxide composition for modifying the rheology of polypropylene in molten state

US11299564B2 · kind B2 · utility

1Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2017
Grant dateApr 12, 2022
Priority date
Expiry dateApr 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.