[PDF][PDF] The effect of old corrugated container (OCC) pulp addition on the properties of paper made with virgin softwood kraft pulps
In this study, old corrugated container (OCC) pulp was added in different ratios (5%, 10%,
15%, 20%, and 25% w/w) to unbleached virgin pulps of both European black pine and Scots
pine, and its effects on paper properties were investigated. As a control, OCC pulp-free
handsheets were separately produced from European black pine and Scots pine pulps. The
results indicated that the addition of OCC pulp decreased the strength properties, except for
the tear index, of the handsheets. In addition, compared to the control handsheets, the paper …
15%, 20%, and 25% w/w) to unbleached virgin pulps of both European black pine and Scots
pine, and its effects on paper properties were investigated. As a control, OCC pulp-free
handsheets were separately produced from European black pine and Scots pine pulps. The
results indicated that the addition of OCC pulp decreased the strength properties, except for
the tear index, of the handsheets. In addition, compared to the control handsheets, the paper …
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