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首页> 外文期刊>Journal of pulp and paper science >Effects of Sugar Addition before Drying on the Wet Flexibility of Redispersed Kraft Fibres
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Effects of Sugar Addition before Drying on the Wet Flexibility of Redispersed Kraft Fibres

机译：干燥前加糖对再分散牛皮纸纤维湿弹性的影响

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摘要

Paper made from recycled, chemically pulped fibres typically has lower strength than paper made from virgin fibres. This was confirmed with respect to tensile and compression strength for an unbleached softwood krafi pulp. It was also confirmed that the addition of sucrose, at high concentration, to virgin pulp before drying could improve the recycled paper strength, compared to a control with no sugar added. The use of glucose was found to be slightly more effective than sucrose. Fibres treated with the sugars were found to have higher flexibility and water-retention values than untreated fibres that had been subjected to the same drying conditions.
机译：由回收的化学纸浆纤维制成的纸的强度通常比由原纤维制成的纸低。关于未漂白的针叶木krafi纸浆的拉伸强度和压缩强度，这得到了证实。还证实了与未添加糖的对照相比，在干燥前向未加工的纸浆中添加高浓度蔗糖可以提高再生纸的强度。发现使用葡萄糖比蔗糖更有效。发现用糖处理的纤维比经受相同干燥条件的未处理纤维具有更高的柔韧性和保水值。

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