Patent · US Expired

Coatable mixtures including erodable filler agglomerates, methods of preparing same, abrasive articles incorporating cured versions of same, and methods of making said articles

US5269821A · kind A · utility

17Cited by
29References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1992
Grant dateDec 14, 1993
Priority date
Expiry dateFeb 20, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K3/14
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Coatable mixtures including erodable filler agglomerates, and abrasive articles into which they may be incorporated are presented, the agglomerates comprising a plurality of individual grains of water insoluble filler agglomerated by an agglomerating agent which includes water soluble filler and a binder. A preferred water soluble filler is Al.sub.2 (SO.sub.4).sub.3.14-18H.sub.2 O, a preferred water insoluble filler is Na.sub.3 AlF.sub.6 (cryolite), while a preferred binder is a phenolic resin. Methods of making coatable mixtures including erodable filler agglomerates are also presented.

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