Examples of 'fluorescent whitening agents' in a sentence
Meaning of "fluorescent whitening agents"
Fluorescent whitening agents: These are chemical compounds added to products like detergents and papers to make them appear whiter and brighter by absorbing UV light and emitting blue light. They work by enhancing the optical brightening of materials.Used in industries such as textile, plastics, and paper manufacturing
How to use "fluorescent whitening agents" in a sentence
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fluorescent whitening agents
Formulations of fluorescent whitening agents in dispersed form.
Optical brighteners are also known as fluorescent whitening agents.
Fluorescent whitening agents and mixtures thereof.
Preferred adjunct components include fluorescent whitening agents.
Fluorescent whitening agents are other desirable adjuncts.
It is commonly known to use fluorescent whitening agents in detergent formulations.
Fluorescent whitening agents emit at least some visible light.
Also disulfonated or hexasulfonated fluorescent whitening agents may be used.
The fluorescent whitening agents as shown below were obtained.
Also preferred is the use of mixtures of fluorescent whitening agents.
The fluorescent whitening agents are known compounds or may be prepared by known methods.
Thickening system for cleaning products incorporating fluorescent whitening agents.
It is commonly known to use fluorescent whitening agents in detergent compositions.
This is due to the surprisingly higher solubility of the fluorescent whitening agents.
Such additives are for example fluorescent whitening agents and ultraviolet absorbers.
See also
The hydrogenated product is an intermediate for the preparation of fluorescent whitening agents.
Aqueous suspensions of fluorescent whitening agents of the art are generally not at acidic pHs.
Another problem is the color contribution of the neat fluorescent whitening agents.
Suitable fluorescent whitening agents include derivatives of diaminostilbenedisulfonic acid and their alkali metal salts.
However there is still a need to find improved fluorescent whitening agents for this application.
The tested fluorescent whitening agents of the invention were the following,.
Typical examples are intermediates for agrochemicals, fluorescent whitening agents and dyes.
The fluorescent whitening agents of formula ( I ) can be produced according to known procedures.
The invention moreover relates to new fluorescent whitening agents useful for that process.
These fluorescent whitening agents and mixtures were used in the following application example . Application Example.
Care is needed only when they are applied with fluorescent whitening agents ( FWAs ).
The following fluorescent whitening agents were used, The results obtained are summarized in Table 1.
Fig . 1 is a diagram showing the whitening performance of different fluorescent whitening agents and mixtures thereof.
FABRIC HUEING AGENTS - Fluorescent whitening agents emit at least some visible light.
Another useful interaction of UV radiation and plastics is with fluorescent whitening agents ( FWA ).
Disulfo-type fluorescent whitening agents.
It is also possible to use 4,4 ' - divinyl-biphenyl as a starting material for certain fluorescent whitening agents.
Some of the water-soluble fluorescent whitening agents of formula ( 1 ) are known compounds.
EP-A-394 998 describes liquid detergents containing specific disulfonated dibenzofuranylbiphenyls as fluorescent whitening agents.
From these fluorescent whitening agents disulfo -, tetrasulfo - and hexasulfo-types are known.
Due to their conjugated aromatic structures, often the fluorescent whitening agents show a yellowish appearance.
The fluorescent whitening agents are thus fully available to perform their nominal function, e.g., whitening.
The compounds of formula ( 1 ) are useful as fluorescent whitening agents.
Many clothes have optical brighteners or fluorescent whitening agents ( FWAs ) applied, which help brighten colors.
Fig . 1 is a diagram showing the whitening performance of different fluorescent whitening agents in wood-free pulp.
In a further preferred embodiment, the composition comprises the fluorescent whitening agents of the formulae ( 2 ) and ( 3 ).
In one preferred embodiment, the composition comprises the fluorescent whitening agents of the formulae ( 1 ) and ( 2 ).
In another preferred embodiment, the composition comprises the fluorescent whitening agents of the formulae ( 1 ) and ( 3 ).
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