Process for oxygen bleaching paper pulp using melamine as a visc

Details Process for oxygen bleaching paper pulp using melamine as a visc Process for oxygen bleaching paper pulp using melamine as a visc

1984-09-24

1985-07-02

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Gas, vapor or mist contact

162 72, D21C 910

Patent

active

045266514

ABSTRACT:
This invention is a process for maintaining pulp viscosity while enhancing brightness during the oxygen bleaching stage or stages of pulp preparation in the manufacture of paper comprising adding an effective amount of melamine to paper pulp prior to the oxygen bleaching stage.

REFERENCES:
patent: 4484980 (1984-11-01), Allan
patent: 4487656 (1984-12-01), Allan

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