Patent · US Expired

High performance microcellular foam and manufacturing method apparatus thereof

US6733707B1 · kind B1 · utility

4Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2000
Grant dateMay 11, 2004
Priority date
Expiry dateNov 16, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2380/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention is a high performance microcellular polyurethane foam suitable for numerous applications normally considered outside the realm of conventional solid systems. Also included in the present invention is a method of manufacturing the high performance microcellular polyurethane foam using controlled water addition, foam surfactant addition, a modified catalyst system, the addition of a delayed action tin catalyst and a reduced NCO/OH ratio. The present invention has special application for industrial parts, especially the bowling equipment industry and the cardboard manufacturing industry.

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