Title:
ハイビルド分散物
Document Type and Number:
Japanese Patent JP2004523626
Kind Code:
A
Abstract:
An aqueous dispersion of non-melt-processible fluoropolymer, process for making same and concentrated dispersion and powder obtained from the dispersion. The fluoropolymer particles of the dispersion have a standard specific gravity (SSG) of less than 2.225 and comprise a core of high molecular weight polytetrafluoroethylene and a shell of lower molecular weight polytetrafluoroethylene or modified polytetrafluoroethylene. At least about 1.5 weight % of the fluoropolymer particles comprise substantially rod-shaped particles having a length to diameter ratio greater than about 5.
Inventors:
Clay woodward jones
Robert John Cavanow
Walter Craco Wiack
Richard A. Morgan
Theodore A. Treat
Robert John Cavanow
Walter Craco Wiack
Richard A. Morgan
Theodore A. Treat
Application Number:
JP2002571558A
Publication Date:
August 05, 2004
Filing Date:
March 13, 2002
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C08F2/00; C08F14/26; C08F2/22; C08F259/08; C09D127/18; C09D151/00; (IPC1-7): C08F14/26; C08F2/22
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe