Cleansing agent for printing machines and presses and a method o

Details Cleansing agent for printing machines and presses and a method o Cleansing agent for printing machines and presses and a method o

1995-07-18

1997-12-02

Lieberman, Paul

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510717, 510411, 510526, 134 38, 134 40, C11D 724, C11D 726, C11D 750

Patent

active

056936001

ABSTRACT:
A cleansing agent, in particular for the cleaning of printing cylinders, rollers, blankets, plates and other parts of printing machines and presses, comprises from 90 to 60% by weight of a C.sub.6 -C.sub.14, preferably C.sub.6 -C.sub.12, more preferably C.sub.6 -C.sub.10, most preferably C.sub.7 -C.sub.9, hydrocarbon ester of a fatty acid of a mixture of such acids and from 10 to 40% by weight of a vegetable oil, based on the total weight of the fatty acid hydrocarbon ester and the vegetable oil in the cleansing agent. Preferably, the content of vegetable oil is about 25% by weight. Preferably, the fatty acid ester component is a 2-ethylhexyl ester of coconut (C.sub.8 -C.sub.14) fatty acid and the vegetable oil is a highly refined deodorized soyabean oil.--Dirt or smear comprising particles, dust, fibers, printing ink and dye and/or greasy substances are removed from the surfaces of cylinders, rollers, blankets, plates and other parts or members of printing machines and presses, by applying to said surface a sufficient amount of the cleansing agent of the invention and allowing the cleansing agent to react with the dirt or smear on the said surface so as to dissolve, unstick, loosen or solubilize it and then remove the cleansing agent with the dissolved, unstuck, loosened or solubilized dirt or smear contained therein.
Compared to other vegetable and VOC cleansers the new cleansing agent:

REFERENCES:
patent: 4085059 (1978-04-01), Smith et al.
patent: 4180472 (1979-12-01), Mitchell et al.
patent: 4521326 (1985-06-01), Seibert et al.
patent: 4707293 (1987-11-01), Ferro
patent: 4774017 (1988-09-01), Seibert et al.
patent: 5143639 (1992-09-01), Krawack

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