Patent · US Expired

Expandable polyamide composition and polyamide foam obtained therefrom

US8946314B2 · kind B2 · utility

1Cited by
13References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 2003
Grant dateFeb 3, 2015
Priority date
Expiry dateSep 3, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2475/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to an expandable polyamide composition and to a polyamide foam obtained therefrom. This composition comprises a compound comprising at least one isocyanate function, a polyamide and a compound comprising at least one carboxylic acid function. The invention also relates to a process for preparing a polyamide foam from this composition.

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