《纸张施胶度的检和测评价》由会员分享，可在线阅读，更多相关《纸张施胶度的检和测评价（62页珍藏版）》请在金锄头文库上搜索。
1、纸张施胶度的检测和评价清正表胶 2011年9月Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.内容提要前言 纸张施胶度鉴别方法1. 常用的检测方法2. 动态可勃法3. 纸张吸水机理分析4.
2、 表面施胶度评价新标准结语致谢Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.前言 纸张防潮问题为什么要讨论纸张的施胶度？包装纸，用来保护内部包装的产品；纸箱承受外来压力，需要具有一定的强
3、度；纸张吸潮后，强度会下降，导致纸箱变软纸箱变软，是包装物的质量问题防止纸箱变软：赋予纸张一定的抗水性能，施胶是一种选择纸张施胶度是纸张防潮能力的一项重要指标Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose
4、 Pty Ltd.表面施胶 在纸张表面形成疏水薄膜，阻止水和水蒸汽渗透 工艺简单，对湿部系统无负面影响 吨纸成本低，发展迅速施胶方式 表面施胶表胶膜 防水防潮淀粉膜 纸纤维Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011
5、 Aspose Pty Ltd.施胶方式 浆内施胶浆内施胶 在浆内加入施胶剂，保护纤维不受潮，达到抗水效果 留着率低、产生胶粘物、增大白水负荷 吨纸成本高纸纤维 被施胶剂包裹淀粉膜 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004
6、-2011 Aspose Pty Ltd.表面施胶和施胶度包装纸施胶度的差异 瓦楞纸主要承担纸箱的受力，施胶度最高 箱板纸辅助承担纸箱的受力，施胶度较高 涂布白板纸承担的受力较小，施胶度较低纸张耐折抗水性能 瓦楞纸，要求最高 箱板纸，要求较低 涂布白板纸，没有要求Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyrigh
7、t 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.纸张施胶度鉴别方法一、国标可勃法（GB/T 1540-2002）Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2
8、004-2011 Aspose Pty Ltd.国标可勃法（GB/T 1540-2002）可勃法60秒（COBB60）是常用方法 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.普通箱板纸
9、国标（GB/T 130242003） 吸水性60秒（正/反） g/m2 ： 优质：35.0/70.0 牛皮箱板纸国标（GB/T 130242003） 吸水性60秒（正/反） g/m2 优质 ：35.0/40.0 瓦楞芯纸国标 （GB/T 130232008） 吸水性60秒（正/反） g/m2 ： 优质：100； 箱板纸和瓦楞纸 抗水性能国标Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .N
10、ET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.国标可勃法的问题纸厂常用的检验施胶度标准： 吸水性 60秒（正/反） 30-35 g/m2 下机检验，复卷后检验，吸水值远低于国标检验合格，但仍可能“被投诉返潮”，为什么？现行标准对表面施胶纸张的评价不全面。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0
11、.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.图解国标可勃法（GB/T 1540-2002）COBB60 48.4COBB60 25.4COBB60 20.5施胶度较高施胶度适中施胶度偏低Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.
12、0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.纸张施胶度鉴别方法二、水滴法将水直接滴在纸张表面，观察水渗透 纸张的时间，用来判断纸张的施胶度，是 业内流行的检测方法之一。施胶度差异大的纸张，较容易分辨。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profil
13、e 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.图示：水滴法Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile
14、 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.图示：水滴法Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011
15、 Aspose Pty Ltd.图示：水滴法Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.问题：高施胶度纸如何分辨 实践中，我们发现高施胶度的瓦楞纸，用可勃法60秒和水滴法有时就无法准确
16、分辨纸张的施胶度究竟有多大差异。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.高施胶度纸难以区分 施胶度接近，纸张内部未吸水COBB60 18COBB60 21COBB60 16施胶度略低Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Creat
