涂布两种施胶剂对抄制纸板物理性能的影响

Influence of Coating Two Kinds of Sizing Agents on the Physical Properties of the Paper Board

中文关键词: 氧化淀粉  聚乙烯醇  抄纸  物理性能  施胶剂

英文关键词: oxidized starch  PVA  papermaking  physical properties  sizing agent

中文摘要:

      目的 对涂布氧化淀粉胶纸板、聚乙烯醇胶纸板和未涂布纸板的耐破强度、戳穿强度、挺度、防水防潮性等物理性能进行研究。方法 实验选用表面施胶的方法来增强纸板的物理性能。通过抄制不同定量的化学机械浆和化学浆纸板，在纸板表面涂布相同体积的氧化淀粉胶和聚乙烯醇胶，测试纸板的物理性能。结果 在相同温度、相对湿度条件下涂布施胶剂的纸板，其耐破强度、戳穿强度、挺度和防水防潮性要优于未涂布纸板；涂布聚乙烯醇的纸板其耐破强度、戳穿强度和防水防潮性要优于涂布氧化淀粉胶的纸板，涂布氧化淀粉胶的纸板挺度要优于涂布聚乙烯醇胶的纸板。结论 涂布施胶剂后纸板的物理性能均有所提高，涂布聚乙烯醇胶的纸板强度较强，涂布氧化淀粉胶的纸板韧性较好。

英文摘要:

      The work aims to study the burst strength, puncture strength, stiffness, waterproof performance, moisture resistance and other physical properties of the paste boards coated with oxidized starch, the PVA paste board and the uncoated paper boards. The experiment was conducted in the surface sizing method to improve the physical properties of the paper board. By preparing quantitative chemi-mechanical pulp and chemical pulp boards, the paper boards were coated with oxidation starch adhesive and PVA glue of the same volume to test the physical properties of the paper board. For the paper boards coated with the sizing agent at the same temperature and relative humidity, their burst strength, puncture strength, stiffness, waterproof performance and moisture resistance were superior to those of the uncoated paper boards. The burst strength, puncture strength, waterproof performance and moisture resistance of the paper boards coated with PVA were superior to those of the paper boards coated with oxidation starch adhesive; the stiffness of the paper boards coated with oxidation starch adhesive was superior to that of the paper boards coated with PVA glue. All the physical properties of the paper boards coated with sizing agents are improved. The paper boards coated with PVA glue are of stronger strength and those coated with oxidation starch adhesive are of better flexibility.