Patent · US Expired

Shear modification of polyolefin-clay nanocomposites

US7183348B2 · kind B2 · utility

16Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 2005
Grant dateFeb 27, 2007
Priority date
Expiry dateApr 17, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K3/346
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A method for modifying polyolefin-clay nanocomposites is disclosed. The method comprises shearing a melt of solution-prepared nanocomposites at an effective shear rate. The modified nanocomposite shows significantly decreased complex melt viscosity, storage modulus, and loss modulus.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.