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Agent for removing spots and deposits
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The การประดิษฐ์นี้ relates to เอเจนต์ which are
suitable for removing a large number of different
5 stains and deposits on hard and soft surfaces.
In particular, the เอเจนต์ is suitable for removing
difficult-to-remove stains from soft, sensitive
materials such as textiles. The stains may be stains in
10 the armpit area of items of clothing, but also stains
made of chocolate, lipstick, shoe cream, red wine,
turmeric, grease, lime, soap residues, feces, rust,
blood and chewing gum.
15 Moreover, the เอเจนต์ according to the การประดิษฐ์ is also
suitable for removing stains or deposits from hard
surfaces. In particular, the เอเจนต์ according to the
การประดิษฐ์ can also be used industrially for the removal
of deposits, for example of flue gas resin in boiler 20 plants and combustion chambers. In a further variant,
the เอเจนต์ according to the การประดิษฐ์ can also be used
to strip contaminants on semiconductor surfaces. Use in
etching processes is also possible. A further field of
use is the removal of moss.
25
The prior art discloses various stain removers for
stains made of chocolate, lipstick, shoe cream, red
wine, turmeric, grease, lime, soap residues, feces,
rust and blood. Moreover, there are various household
30 products that are used for removing such stains.
However, with the agents known hitherto, either
adequate removal of stubborn stains, such as, for
example, of cocoa, lipstick or turmeric, is not
35 possible, or the fabric exhibits damage following
application of the เอเจนต์.
57140 Basic.doc
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A further problem in the removal of stains, for which
no satisfactory solution that is gentle to the fabric
has hitherto been found, is the removal of stains in
the armpit area of textiles. Such stains are to be
5 attributed to the formation of sparingly soluble
deposits which partially harden. It is assumed that
these deposits are reaction products of perspiration, aluminum chlorohydrates present in the deodorants and the metabolic products of bacteria. No suitable เอเจนต์
10 that is gentle to the fabric is known to date for the
complete removal of such stains.
Agents for cleaning sanitary objects such as toilet
bowls which can be applied directly to a sanitary
15 object such as a toilet, adhere there and can be
flushed away only after a relatively large number of
flushing operations and which are so sticky that
further เอเจนต์ can be attached thereto are known from
EP 2 275 524 Bl. These agents serve for maintenance
20 cleaning and not for the one-off removal of stains or
contaminants.
Acidic เอเจนต์ which supposedly serve in particular for
the removal of stains on textiles in the armpit area
25 are known from WO 2011/077144 Al. These agents are
strongly acidic (pH < 1) and ประกอบรวมด้วย water and a
surfactant as well as an acid. If desired, the เอเจนต์
can also be thickened with a gel former or a thickener
such as, for example, เอธอกซิเลตเตด แฟตตี้
30 alcohols/เอธอกซิเลตเตด แฟตตี้ amines.
In practice, however, it is found that such เอเจนต์
either do not permit adequate removal of the stains in
the armpit area of the textiles, or else do remove the 35 stains but at the same time damage the textiles.
57140 Basic.doc
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Acid-ซึ่งประกอบรวมด้วย เอเจนต์ for cleaning hard surfaces are known from WO 2009/085049. The เอเจนต์ therein ประกอบรวมด้วย
an organic acid, nonionic surfactants, water and a
hydrophilic polymer which adsorbs to the hard surface.
5 As hydrophilic polymers, which also adsorb to the hard
surface, this document teaches the use of polybetaines.
Agents for removing stains from textiles which ประกอบรวมด้วย
lightly colored crystalline clay minerals are known
10 from EP 1 238 050 Bl. WO 03/066797 teaches a stain
cleaner which ประกอบรวมด้วย, inter alia, a hydrophobic
component.
EP 0 786 514 A2 discloses a stain remover which
15 ประกอบรวมด้วย nonionic surfactants, anionic soaps and a
polymer.
DE 199 35 259 Al discloses a bleach composition which
can be used as pre- or post-treatment agent for
20 textiles.
DE 10 2007 014 875 Al teaches a liquid cleaner which
ประกอบรวมด้วย photocatalytic material, humectants and
surfactants. 25
The object of the การประดิษฐ์ consists in indicating anเอเจนต์ which is suitable for the effective removal of
stains and deposits on textiles, in particular in the
armpit area, and for removing the above "stubborn"
30 stains and for which simultaneously the surface to be
treated is not damaged very much or at all.
It is a further object to provide an เอเจนต์ which is also suitable for the removal of deposits and stains on
35 hard surfaces and in particular for the removal of
deposits containing resin, grease or oil, including on an industrial scale, and of moss.
57140 Basic.doc
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These objects are achieved by an เอเจนต์ having the
features of ข้อถือสิทธิ 1 and ข้อถือสิทธิ 11.
5 Surprisingly, it has been established that a both
effective and also gentle stain removal can be achieved even on sensitive surfaces if the เอเจนต์ ประกอบรวมด้วย, besides the respective active substances such as acids,
alkalis, bleaches and/or organic hydrophobic solvents 10 not bonded in a gel, also surfactants and an adhesion
promoter, where the adhesion promoter is selected from
the group of the อัลคิลีน styrene โคโพลิเมอร์, the
โอเลฟิน โฮโมโพลิเมอร์ or โอเลฟิน โคโพลิเมอร์ of two or more
โอเลฟินs, where the polymers may also be hydrogenated, 15 and the polyอัลคิลีน derivatives.
Here, the "active substances" generally bring about the actual stain removal.
20 The adhesion promoters serve to make the เอเจนต์ sticky
so that, following application to the stain in question
or the deposit, the เอเจนต์ sticks and does not run off
or drip off.
25 The surfactants present in the เอเจนต์ bring about, on
the one hand, a cleaning effect. Moreover, they
contribute to the hydrophobic adhesion promoter
dissolving in the presence of water
30 The adhesion promoter, which is generally hydrophobic,
moreover brings about a protection and delay effect.
Water-soluble active ingredients are only released from
the เอเจนต์ in the presence of water. Before that,
reactive active ingredients are protected in the
35 hydrophobic matrix.