| abstract |
1466683 Non-aqueous suspensions KUSOMOTO CHEMICALS Ltd 10 July 1974 [16 July 1973] 30575/74 Headings C3B C3P and C3R A non-aqueous fluid composition contains finely-divided solid particles and (I) an amide wax and (II) an emulsifiable polyethylene wax, where wax (I) has m.p. 100-160 C. and is obtained by reaction of amines with organic acid(s) comprising 30-100% moles by hydrogenated castor-oil fatty-acid; and where wax (II) has acid No. 2-50, softening point 95-120 C., density of 0À92-0À98, and penetration of 1-20. The waxes improve the rheological and suspension properties. Also present in the composition may be oil-modified or petroleum-resin-compounding alkyd resins, epoxy, epoxyester, polyvinyl-butyral, butyrated melamine, and/or polybutene resins, or unsaturated-polyester/styrene. Conventional paint additives may be present. Waxes (I) and (II) may be incorporated separately or as a mixture, as powder or as a dispersion. |