Abstract
Do the research of acidic zinc chloride treatment system to achieve poplar APMP with chemical swelling. The research showed that acidic zinc chloride can effectively swelling poplar APMP pulp, increase the fiber volume and loose the structure, acting concentrated in the amorphous region of the fiber which can help the penetration of chemicals and products of the dissolution. Because the differences of processing system pH and ionic effect, acidic zinc chloride combined alkaline hydrogen peroxide treatment can produce swelling synergistic effect.
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