Lignin composition, method of producing the same and dispersing

Details Lignin composition, method of producing the same and dispersing Lignin composition, method of producing the same and dispersing

1996-09-30

1998-09-22

Nutter, Nathan M.

Chemistry: natural resins or derivatives; peptides or proteins;

Lignins or derivatives

Heavy metal, aluminum, silicon or phosphorus containing

106657, 106719, C08H 502, B01F 1750

Patent

active

058115277

ABSTRACT:
A lignin composition having a content of aluminum or iron or both at 0.05 to 5 wt. % (based on the solids of the lignin solution) and a content of extracts with chlorotrifluoroethylene dimer at 0.01 to 0.4 wt. % (based on solids in lignin solution). The lignin compositions possess high surface tension and are suitable as dispersing agents for cement.

REFERENCES:
patent: 3270001 (1966-08-01), Morimoto et al.
patent: 3347788 (1967-10-01), Sohn et al.
patent: 3668123 (1972-06-01), Steinberg et al.
patent: 4367094 (1983-01-01), Fujimaru et al.

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