Patent · US Expired

Reactive binding agent with an extended pot life

US6548615B1 · kind B1 · utility

6Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 2001
Grant dateApr 15, 2003
Priority date
Expiry dateMar 2, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/288
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a reactive composition containingA) an isocyanate-containing compound,B) a polyol,C) an organic tin or bismuth compound,D) a thiol group-containing compound or a polyphenol which is able to react with an isocyanate group in the presence of a tertiary amine as activator and with adjacent hydroxyl groups andE) a hydrolyzable halogen compound,wherein the molar ratio SH and/or OH:metal is 2 to 500 and the molar ratio halogen/metal is 0.05 to 10.

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