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固体胶对瓦楞原纸结构和疏水性能的影响
Effect of Solid Sizing Agent on the Structure and Hydrophobicity of Corrugated Base Paper
收稿日期：2022-09-09  
DOI：10.11980/j.issn.0254-508X.2023.06.007
关键词:  固体胶  表面施胶  疏水性能  结构性能  动态渗透
Key Words:solid sizing agent  surface sizing  hydrophobicity  structural properties  dynamic penetration
基金项目:
作者单位邮编
柳云雷 浙江科技学院环境与资源学院，浙江杭州，310023 310023
王立军* 浙江科技学院环境与资源学院，浙江杭州，310023 310023
陈南男 杭州市西湖区纸点和 山大树科技工作室，浙江杭州，310023 310023
刘毅 浙江科技学院环境与资源学院，浙江杭州，310023 310023
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摘要:利用一种固体胶取代部分淀粉，对瓦楞原纸进行表面施胶，采用多种方法综合考察固体胶的添加量对瓦楞原纸疏水及结构性能的影响，包括Cobb60值、水滴消失时间、动态接触角、成纸形貌、表面粗糙度、透气度、平均孔径等。结果表明，随着固体胶的用量从0增至40%，其综合施胶效果持续变好，表现为成纸抗拒液态水润湿和渗透的性能增强、表面粗糙度改善、孔隙率降低，但继续增加固体胶的用量会产生不良影响。固体胶可与淀粉形成表面能较低的复合物，更有利于形成致密的纸张结构及平整的施胶层表面。
Abstract:A solid sizing agent was used to replace native starch partially for surface sizing of corrugated base paper. A variety of test metods were adopted to investigate the effect of the solid sizing agent dosage on the hydrophobicity and structure properties of the corrugated base paper， such as Cobb60 value， water droplet disappearance time， dynamic contact angle， morphology of paper， surface roughness， air permeability， and average aperture. The results showed that as the solid sizing agent dosage increased from 0 to 40%， the comprehensive sizing effect continued to improve， as indicated by resistance to liquid water wetting and penetration enhancement， surface roughness reduction， and porosity decrease. However， continued increase in the solid sizing agent dosage would resulted in adverse effects. The solid sizing agent and starch could form a complex with lower surface energy， ficilitating to form a denser paper structure and smoother surface sizing layer.
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