WASHING OR CLEANING AGENT
Washing- or cleaning-agent shaped elements made of a compressed particulate material, wherein the compressed particulate material encompasses a particulate surfactant granulate having a concentration of nonionic surfactants above 50 wt %, and at least 70 wt % of the particles of said surfactant granulate have a particle size below 1,250 μm, are notable for increased transport and shelf stability, improved cleaning and rinsing performance, and an improved tablet appearance.
1 . A washing- or cleaning-agent shaped element comprising compressed particulate material comprising a particulate surfactant granulate having a concentration of nonionic surfactants above 50 wt %, and at least 70 wt % of the particles of said surfactant granulate having a particle size below 1250 μm.
2 . The washing- or cleaning-agent shaped element of claim 1 wherein the concentration of nonionic surfactants is above 90 wt %.
3 . The washing- or cleaning-agent shaped element of claim 2 wherein the concentration of nonionic surfactants is above 80 wt %.
4 . The washing- or cleaning-agent shaped element of claim 1 wherein at least 90 wt % of the particles of the surfactant granulate have a particle size below 1250 μm.
5 . The washing- or cleaning-agent shaped element of claim 4 wherein at least 80 wt % of the particles of the surfactant granulate have a particle size below 1250 μm.
6 . The washing- or cleaning-agent shaped element of claim 1 wherein at least 90 wt % of the particles of the surfactant granulate have a particle size between 100 μm and 1250 μm.
7 . The washing- or cleaning-agent shaped element of claim 1 wherein the surfactant granulate contains 0.2 to 4 wt % of a silicate material.
8 . The washing- or cleaning-agent shaped element of claim 7 wherein the surfactant granulate contains from 1 to 3 wt % of a silicate material.
9 . The washing- or cleaning-agent shaped element of claim 1 wherein the surfactant granulate contains at least one nonionic surfactant of the general formula
R 1 O[CH 2 CH 2 O] x CH 2 CH(OH)R 2
wherein R 1 is a linear or branched alkyl and/or alkenyl radical having 4 to 22 carbon atoms, R 2 is a linear or branched alkyl and/or alkenyl radical having 2 to 22 carbon atoms and x is from 1 to 90.
10 . The washing- or cleaning-agent shaped element of claim 9 wherein x is from 10 to 30.
11 . The washing- or cleaning-agent shaped element of claim 9 wherein x is from 40 to 80.
12 . The washing- or cleaning-agent shaped element of claim 1 wherein the compressed particulate material further comprises at least one dye.
13 . A surfactant granulate having a concentration of nonionic surfactants above 50 wt % wherein at least 70 wt % of the particles of the surfactant granulate have a particle size below 1250 μm.
14 . The surfactant granulate of claim 13 wherein at least 75 wt % of the particles of the surfactant granulate have a particle size below 1250 μm.
15 . The surfactant granulate of claim 13 wherein the percentage of particles of the surfactant granulate having a particle size below 1250 μm is above 90 wt %.
16 . The surfactant granulate of claim 13 wherein at least 60 wt % of the particles have a particle size between 100 μm and 1250 μm.
17 . The surfactant granulate of claim 13 wherein the surfactant granulate concentration is at least 80 wt %.
18 . The surfactant granulate of claim 13 wherein the surfactant granulate has a concentration of nonionic surfactants above 90 wt %.
19 . The surfactant granulate of claim 13 wherein the surfactant granulate contains from 0.2 to 4 wt % of a silicate material.
20 . The surfactant granulate of claim 19 wherein the surfactant granulate contains from 1 to 3 wt % of a silicate material.