Patent · US Expired

Method of improving slipperiness of polyester film using a monodispersed glycol suspension of inorganic oxide particles

US5316714A · kind A · utility

15Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 1989
Grant dateMay 31, 1994
Priority date
Expiry dateMar 13, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/82
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A monodispersed glycol suspension having excellent dispersion stability, including a monodispersed suspension in a glycol of spherical fine particles of an amorphous inorganic oxide having an average particle diameter of 0.05 to 5 micrometers and a relative particle size standard deviation of 1.0 to 1.5 and containing glycol bonded to its surface. This monodispersed suspension is useful as a raw material for the production of a polyester film having improved slipperiness.

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