METHOD FOR TREATING LIGNIN AND FOR PRODUCING A BINDER COMPOSITION
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United States of America
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Feb 6, 2020
app pub date -
Oct 11, 2019
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Oct 11, 2019
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Abstract
The invention relates to a method for treating lignin, wherein the method comprises the following steps: a) dissolving lignin into an aqueous composition, which contains a compound selected from the class of phenols, while keeping the temperature of the composition at 0-16° C.; and b) allowing the composition to react while keeping the temperature of the composition at 60-100° C. and the pH of the composition at a pH valise of 6-14. The invention relates further to a method for producing a binder composition and to different applications thereof.
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