DISPERGATOR AUF DER BASIS VON LIGNIN- SULFONAT UND VERFAHREN ZU SEINER HERSTELLUNG
The dispersing agent is prepared by admixing the ligninsulphonate in a concentration of 20-60% with up to 40% of an aldehyde and with up to 20% of an amine and carrying out a condensation reaction at about 50-150 DEG C for at least one hour.
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Zusammenfassung: | The dispersing agent is prepared by admixing the ligninsulphonate in a concentration of 20-60% with up to 40% of an aldehyde and with up to 20% of an amine and carrying out a condensation reaction at about 50-150 DEG C for at least one hour. |
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