共查询到19条相似文献,搜索用时 62 毫秒
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全废纸抄造仿彩色打字纸苏世和(江苏东台造纸厂224200)关键词全废纸脱墨仿彩色打字纸由于硫酸盐法制浆污染严重,我厂从1994年起在原有麦草自制浆生产线上进行改造,利用全废纸制成脱墨浆,抄造仿彩色打字纸。1原料将收购的旧报纸、书刊废纸等进行分类拣选,... 相似文献
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纸的染色方法可分为两种,一种是浆内染色,另一种是纸面染色。而彩色皱纹纸采取纸的表面染色方法,既可节省染料又可保证色泽鲜艳和稳定。现将彩色皱纹纸的染色工艺过程和 相似文献
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根据包装纸生产过程中使用不同表面施胶剂的施胶效果进行对比分析,选择了适用于具体生产成本和施胶效果的最优方案。 相似文献
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对市场上有代表性的苯丙及聚氨酯类合成表面施胶剂的理化性能进行了分析,并研究了表面施胶浓度、施胶量、纸张抗水性能之间的相互作用关系。结果表明,苯丙及聚氨酯类表面施胶剂在离子性和电荷密度方面差异很大;高的原纸吸收性和较低的施胶液浓度可以有效提高表面施胶淀粉用量,降低生产成本,但会导致胶料成膜性差,抗水性能下降;通过合理优化表面施胶工艺,苯丙表面施胶剂和聚氨酯表面施胶剂均可赋予纸张良好的抗水性,且在文化用纸中采用表面施胶完全取代浆内施胶是可行的。 相似文献
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Biolatex, a new type of paper coating adhesive that has been developed in recent years, has mainly been used in pre-coating and middle coating, due to its advantages of decreasing the associated cost and pollution by partly replacing petro-latex. In this paper, application of biolatex as a surface sizing agent and effects of various factors, such as titanium dioxide addition, on the properties of the sized paper were compared. The results showed that, addition of titanium dioxide to biolatex could improve the whiteness, internal bond strength, and ink absorption. Furthermore, application of the No.4 biolatex resulted in better surface strength, bond strength, and ink absorption of the sized paper than application of polyvinyl alcohol. 相似文献