Post-treatment of humic acid-dyed paper

Details Post-treatment of humic acid-dyed paper Post-treatment of humic acid-dyed paper

1979-06-04

1980-12-09

Chin, Peter

Paper making and fiber liberation

Processes and products

Cigarette paper

8 7, 131 15R, 162162, D21H 516, D21H 146

Patent

active

042382831

ABSTRACT:
Humic acid-dyed paper suitable for use as wrappers for smoking articles is post treated with magnesium sulfate to fix or render the humic acid insoluble. Paper treated in this manner provides a product of acceptable brown color. Smoking articles wrapped in the treated paper evolve a reduced amount of carbon monoxide on smoking under normal conditions in comparison to currently available brown papers stained with humic acid.

REFERENCES:
Chem. Abst., 34:567
Chem. Abst., 10:p972.

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