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湿地松和火炬松木材的化学性质及制浆特性*

Studies on Pulping Method and Wood Chemical Properties of Slash and Loblolly Pines

  • 摘要: 分析不同地区湿地松、火炬松和对照(马尾松)木材的纤维形态和化学性质,并用三种制浆方法进行试验,结果表明:三种松木化学组成和制浆特性无明显差异;半化学浆可用于抄造牛皮纸或其他强韧包装纸;化机浆经漂白可用于配抄新闻纸、胶印纸和其他文化用纸;硫酸盐浆可生产牛皮纸及高档纸。试验还说明,树龄较大的松木制浆特性较好。湿地松、火炬松与马尾松一样,均为制浆造纸的优质材料树种。

     

    Abstract: This report describes fiber characteristics and chemical composition of Slash Pine (P. elliottii Engelm), Loblolly Pine (P. teada L.) planted indifferent areas, as well as of Masson Pine (P. massoniana Lamb.) for comparison. The wood of these 3 pines were treated by 3 different pulping processes, NSSC (neutral sulphite semi-chemical pulping), SCMP (semichemical mechanical pulping), and kraft pulping. The results showed that there was no obvious differences among the 3 pines in chemical composition and pulping characteristics if they were treated by the same pulping process. The NSSC pulp of all the 3 pines can be used to make kraft and wrapper of high strength and the SCMP pulp through bleaching to make daily paper, printing paper and other culture paper. The kraft pulp of the 3 pines can be used to make daily paper, other culture paper and kraft paper. The older trees exhibited better pulping characteristics. It can be concluded that Loblolly Pine and Slash Pine can be considered as qualified materials as masson pine for papermaking.

     

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