6 N-Acyl ED3A Chelating Surfactants: Properties and Applications in ...

48 Schmid and Tesmann
FIG. 37 Composition of a heavy-duty detergent.
Reflectance at 460 nm
[%]
65
60
55
50
45
40
Oily stains Dust/ Cosmetic Enzyme
sebum stains stains sensitive stains
Standard + Lipolase ® 100T
without APG ®
5 wt.-% APG ®
5 wt.-% APG ® + Lipolase ® 100T
Test method:
Washing performance test
Concentration:
98 g/wash load (Miele W717)
Temperature:
40°C
Water hardness:
16°d
FIG. 38 Washing performance of heavy-duty detergents with C 12/14 -APG.
oil-containing soils, such as sebum, olive oil, lipstick, and facial cream, are difficult
to remove, particularly at low temperatures. By using alkyl polyglycosides
in powder-form detergents, these stains in particular can be removed considerably
more effectively (Fig. 38). By additionally using lipases, washing performance
can be further increased.
Henkel was the first German detergent manufacturer to use alkyl polyglyco-