Patent · US Active

Tack-free polyurethane flexible foam

US10723828B2 · kind B2 · utility

0Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2017
Grant dateJul 28, 2020
Priority date
Expiry dateJul 20, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2205/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Described herein is a process for producing flexible polyurethane foams, in which (a) polyisocyanate prepolymer, is mixed with (b) polymeric compounds having groups reactive toward isocyanates, (c) optionally chain extenders and/or crosslinkers, (d) catalyst, (e) blowing agent comprising water and (f) optionally additives to give a reaction mixture and reacted to give a flexible polyurethane foam.

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