Examples of 'optical brightening' in a sentence
Meaning of "optical brightening"
optical brightening: The process of enhancing the brightness or appearance of a material by using optical techniques. This phrase is commonly used in the context of textiles or paper to improve their visual appeal
How to use "optical brightening" in a sentence
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optical brightening
The following samples contained no optical brightening agent.
Optical brightening compositions for high quality inkjet printing.
Dyes and optical brightening.
In combination with other substances having an optical brightening action.
One or more optical brightening agents may be optionally present.
The surface treatment may include an optical brightening agent.
Process for optical brightening of paper comprising the steps of.
The treatment liquor can include an optical brightening agent.
Improved optical brightening compositions.
The cotton fabric as received had been treated with an optical brightening agent.
A satisfactory optical brightening is obtained.
The process for making paper may also include an optical brightening agent.
Fluorescent and optical brightening additives can also be added.
The sizing composition may also contain at least one optical brightening agent.
An optical brightening agent and a biocide were also present in conventional amounts.
See also
No reference is made to the use of optical brightening agents with the invention.
Improved optical brightening compositions for high quality ink jet printing.
The coating also prevents the uptake of optical brightening agents during accidental laundering.
Optical brightening agents are often selected from appropriately substituted aminostilbenes and especially from triazinaminostilbenes.
Additional components could be OBA optical brightening agents.
Adding an optical brightening agent helps produce a brighter color for the article.
The composition may also contain dye and / or an optical brightening agent.
Optical brightening solution 6a is produced by stirring together.
To achieve a very high sensitivity, an optical brightening agent as a sensitizer is preferred.
Optical brightening solution 1b is produced by stirring together.
Aqueous sizing compositions for optical brightening of substrates, preferably paper, comprising.
Optical brightening agents for high quality ink-jet printing.
In some embodiments, the animal substrate can be include an optical brightening agent.
In some cases, an optical brightening agent was also added.
It has been found that compounds of formula ( I ) exhibit outstanding optical brightening characteristics.
A sizing composition for optical brightening of a substrate for ink jet printing, comprising.
The sizing composition may contain at least one optical brightening agent ( OBA ).
However, optical brightening agents do not increase either opacity or covering of such goods.
The composition according to Claim 2, wherein the optical brightening agent is cationic.
Process for optical brightening of cellulosic textiles in the finishing stage, comprising the steps of.
The compounds of formula ( I ) are particularly effective when used as optical brightening agents for paper.
PRIOR ART Stilbene optical brightening agents ( OBAs ) of the following formula in which.
An ink composition as claimed in claim 20, wherein the optical brightening agent is selected from,.
Of the optical brightening agents, distyryl-diphenyl derivatives are preferred.
The barrier is fluorine-free and no Optical Brightening Agents are used.
A comparison of Examples 3 and 4 and Examples 5 and 6 illustrates the effect of optical brightening agents.
Additionally 0.6 % optical brightening agent was added to the stock.
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