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探讨了不同种类苯丙共聚物表面施胶剂产品自身成膜吸水率与其施胶纸张Cobb值之间的关系。当表面施胶液中氧化淀粉表面施胶剂的质量分数分别为0.5%、0.2%,温度60℃常规条件下进行表面施胶时,施胶纸张Cobb值(y)随产品成膜吸水率(x)的降低而减小,二者关系式近似为y=3.4956Lnx+10.504。提出了苯丙共聚物产品施胶效果的简易评估方法:对比产品的成膜吸水率,数值越小其施胶效果越好。
The relationship between the water absorption of self-forming film and the Cobb value of sizing papers of different types of styrene-acrylic copolymer surface sizing agent was discussed. When the surface sizing agent in the surface of the oxidized starch surface sizing agent were 0.5%, 0.2%, temperature 60 ℃ under conventional conditions for surface sizing, sizing paper Cobb value (y) with the product water absorption x) decreases, the relationship between the two is approximately y = 3.4956Lnx + 10.504. Proposed styrene-acrylic copolymer product sizing effect of a simple evaluation method: the product of the film-forming water absorption, the smaller the value of its sizing better.