Patent · US Expired

Thermosetting binder prepared with mono(hydroxyalkyl)urea and oxazolidone crosslinking agents

US6140388A · kind A · utility

23Cited by
26References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 23, 1998
Grant dateOct 31, 2000
Priority date
Expiry dateNov 23, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2443
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule comprising at least two functional groups selected from the group consisting of carboxyl and anhydride, and a crosslinking agent which is selected from the group consisting of a mono(hydroxyalkyl)urea comprising a single urea group, a single hydroxyl group, and at least two carbon atoms disposed between the urea group and the hydroxyl group, and 2-oxazolidone. The abrasive articles comprise bonded, nonwoven or coated abrasive articles.

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