Patent · US Expired

Process for producing composite material

US4810734A · kind A · utility

196Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 1988
Grant dateMar 7, 1989
Priority date
Expiry dateMar 15, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2/44
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Provided herein is a process for producing a composite material composed of a polymer and the layered silicate constituting the clay mineral being connected to the polymer through ionic bonding. The process comprises contacting a layered clay mineral with a swelling agent in the presence of a dispersion medium, thereby forming a complex, mixing said complex containing said dispersion medium with a monomer, and polymerizing said monomer contained in said mixture. The process permits the economical and efficient production of a composite material in which the layered silicate is uniformly dispersed.

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