C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.3
C11D 17/06 (2006.01) C11D 3/00 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01) C11D 17/04 (2006.01)
Patent
CA 1226192
ABSTRACT OF THE DISCLOSURE A cleaning means is disclosed for textile surfaces, particularly textile floor coverings, containing a powdery, porous carrier material based upon urea-formaldehyde-resin foam which is enriched with cleaning agent, whereby the tenside- containing water adhered within the carrier material from the forming-up process is stored completely homogeneously in the carrier material, and forms together with the cleaning agent the prepared product. It is suggested for lowering the free formaldehyde content, to add to the tenside-containing water adhering within the carrier material, which displays a pH-value less than 4 as well as a production-required free formaldehyde content of max. 0.2% by weight, a salt of sulfurous acid in an effective portion, relative to the anion of the acid, from 0.01-2% by weight, and urea from 0.1 to 5%. by weight. This strongly reduces the portion of free formaldehyde and adjusts the pH-value of the cleaning means between 6 and 9. -1-
447148
Mesmer Otto
Polligkeit Wolfgang
Troger Wolfgang
Wolter Andreas
Fetherstonhaugh & Co.
Vorwerk & Co Interholding G.m.b.h.
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