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通过对15年以下树龄思茅松制浆造纸性能的研究,比较它们的化学成分、纤维形态及成浆的物理性能。结果表明:各树龄原料化学组分含量相差不明显;树龄对成浆性能的优劣无明显影响。随树龄的增加,纤维细胞壁增厚,壁腔比增大;低树龄的纸浆有较高的结合强度(如抗张强度、耐破强度)。
Through the research on the pulp and papermaking performance of Pinus kesiya var. Pubescens under 15 years old, their chemical composition, fiber morphology and the physical properties of the pulp were compared. The results showed that there was no significant difference in the contents of chemical components of the raw materials at all ages and no significant effect on the quality of the slurry. With the increase of tree age, the fiber cell wall thickens and the wall cavity ratio increases; the low-aged pulp has higher bonding strength (such as tensile strength and bursting strength).