CN114808540A - 一种高洁净离型纸的制备方法 - Google Patents
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Abstract
本发明公开了一种高洁净离型纸的制备方法,其特征在在于,包括以下步骤,选择以纳米纤维料和短切纤维按照质量比为3:4进行混合制成的薄页纸材,之后放入烘干室进行水分烘干作业,将烘干水分的原纸进行热加压处理,最后得到原纸,使用淋膜机得到的原纸上淋上一层隔离型淋膜,将淋膜后的原纸放入烘干室内进行烘干作业,对形成胶层的纸材传输到上硅油设备进行上硅油操作,上硅油设备在胶层上涂覆一层硅油,硅油的涂覆量为15g/m2,将涂覆完硅油膜完成的原纸进行烘干封边,进而制得高洁净离型纸本体,将质检合格的保湿型离型纸本体入库存储。本发明的离型纸的整体厚度更薄、更均匀,离型纸的表面更平整,韧性强,同时节省不必要的能源浪费,降低成本。
Description
技术领域
本发明涉及离型纸技术领域,具体来说,涉及一种高洁净离型纸的制备方法。
背景技术
不干胶材料在日常生活中随处可见,大多以自粘标签、及时贴、即时贴、压敏标签等形式出现,是以纸张、薄膜或特种材料为面料,背面涂有粘合剂,以涂硅底纸为保护纸的一种复合材料,并经印刷、模切等加工成为成品标签。应用时,只需要将底纸剥离,轻轻一按,即可贴到各种被贴物的表面,也可以使用贴标机在生产线上自动贴标。不干胶广泛应用在各种商品上,如药品标签、食品标签、酒标签、电池标签、外箱标签、日化产品标签等等。
随着社会的不断发展,一些客户对标签的要求越来越高,在多个生产工序要用到同一产品信息的时候,这类标签的结构一般是两层或多层标签,对底材的要求也很苛刻,离型力的好坏决定了标签的品质,本发明既制备一种制备工艺新颖,能够实现工业化的制备方法。
发明内容
本发明的目的在于提供一种高洁净离型纸的制备方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种高洁净离型纸的制备方法,其特征在在于,包括以下步骤:
(1)原纸制备:选择以纳米纤维料和短切纤维按照质量比为3:4进行混合制成的薄页纸材,之后放入烘干室进行水分烘干作业,将烘干水分的原纸进行热加压处理,最后得到原纸;
(2)底涂:使用淋膜机在步骤(1)中得到的原纸上淋上一层隔离型淋膜;
(3)胶水烘干:将步骤(2)中淋膜后的原纸放入烘干室内进行烘干作业;
(4)离型剂层:对步骤(3)中形成胶层的纸材传输到上硅油设备进行上硅油操作,上硅油设备在胶层上涂覆一层硅油,硅油的涂覆量为15g/m2;
(5)硅油烘干:将涂覆完硅油膜完成的原纸进行烘干封边,进而制得高洁净离型纸本体;
(6)质检入库:将质检合格的保湿型离型纸本体入库存储;
进一步的,所述步骤(2)中的胶水为PVA胶,胶水的黏度为150-380CPS、 pH值为5.78。
进一步的,所述淋膜料由85%聚丙烯和15%聚乙烯组分为原料制备而成。
进一步的,所述步骤(5)中的原纸经过烘干室烘干作业后,接着通过冷却辊冷却回湿,然后再通过冷却辊冷却收卷,最后将其放入熟化室进行固化。
进一步的,所述步骤(3)中的原纸在恒温50℃下进行30分钟的烘干处理。
进一步的,所述硅油烘干温度为150-180℃,烘干时间为4S。
进一步的,所述制备工艺环境在无尘车间进行。
与现有技术相比,本发明具有以下有益效果:
本发明在制造过程中根据纸材、胶水、硅油、防卷胶水的特性进行工艺布局,合理设计涂布和烘干工艺,使离型纸的整体厚度更薄、更均匀,离型纸的表面更平整,韧性强。同时根据不同的环境温度选择不同的涂布工艺,节省不必要的能源浪费,降低成本。在无尘车间加工生产可以保证离型纸的高洁净程度,减少灰尘的粘附。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
根据本发明实施例的一种高洁净离型纸的制备方法,其特征在在于,包括以下步骤:
(1)原纸制备:选择以纳米纤维料和短切纤维按照质量比为3:4进行混合制成的薄页纸材,之后放入烘干室进行水分烘干作业,将烘干水分的原纸进行热加压处理,最后得到原纸;
(2)底涂:使用淋膜机在步骤(1)中得到的原纸上淋上一层隔离型淋膜;
(3)胶水烘干:将步骤(2)中淋膜后的原纸放入烘干室内进行烘干作业;
(4)离型剂层:对步骤(3)中形成胶层的纸材传输到上硅油设备进行上硅油操作,上硅油设备在胶层上涂覆一层硅油,硅油的涂覆量为 15g/m2;
(5)硅油烘干:将涂覆完硅油膜完成的原纸进行烘干封边,进而制得高洁净离型纸本体;
(6)质检入库:将质检合格的保湿型离型纸本体入库存储;
通过本发明的上述方案,所述步骤(2)中的胶水为PVA胶,胶水的黏度为150-380CPS、pH值为5.78,所述淋膜料由85%聚丙烯和15%聚乙烯组分为原料制备而成,所述步骤(5)中的原纸经过烘干室烘干作业后,接着通过冷却辊冷却回湿,然后再通过冷却辊冷却收卷,最后将其放入熟化室进行固化,所述步骤(3)中的原纸在恒温50℃下进行30分钟的烘干处理,所述硅油烘干温度为150-180℃,烘干时间为4S,所述制备工艺环境在无尘车间进行。
综上所述:本发明在制造过程中根据纸材、胶水、硅油、防卷胶水的特性进行工艺布局,合理设计涂布和烘干工艺,使离型纸的整体厚度更薄、更均匀,离型纸的表面更平整,韧性强。同时根据不同的环境温度选择不同的涂布工艺,节省不必要的能源浪费,降低成本。在无尘车间加工生产可以保证离型纸的高洁净程度,减少灰尘的粘附。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限定本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种高洁净离型纸的制备方法,其特征在在于,包括以下步骤:
(1)原纸制备:选择以纳米纤维料和短切纤维按照质量比为3:4进行混合制成的薄页纸材,之后放入烘干室进行水分烘干作业,将烘干水分的原纸进行热加压处理,最后得到原纸;
(2)底涂:使用淋膜机在步骤(1)中得到的原纸上淋上一层隔离型淋膜;
(3)胶水烘干:将步骤(2)中淋膜后的原纸放入烘干室内进行烘干作业;
(4)离型剂层:对步骤(3)中形成胶层的纸材传输到上硅油设备进行上硅油操作,上硅油设备在胶层上涂覆一层硅油,硅油的涂覆量为15g/m2;
(5)硅油烘干:将涂覆完硅油膜完成的原纸进行烘干封边,进而制得高洁净离型纸本体;
(6)质检入库:将质检合格的保湿型离型纸本体入库存储。
2.根据权利要求1所述的一种高洁净离型纸的制备方法,其特征在于,所述步骤(2)中的胶水为PVA胶,胶水的黏度为150-380CPS、pH值为5.78。
3.根据权利要求1所述的一种高洁净离型纸的制备方法,其特征在于,所述淋膜料由85%聚丙烯和15%聚乙烯组分为原料制备而成。
4.根据权利要求1所述的一种高洁净离型纸的制备方法,其特征在于,所述步骤(5)中的原纸经过烘干室烘干作业后,接着通过冷却辊冷却回湿,然后再通过冷却辊冷却收卷,最后将其放入熟化室进行固化。
5.根据权利要求1所述的一种高洁净离型纸的制备方法,其特征在于,所述步骤(3)中的原纸在恒温50℃下进行30分钟的烘干处理。
6.根据权利要求1所述的一种高洁净离型纸的制备方法,其特征在于,所述硅油烘干温度为150-180℃,烘干时间为4S。
7.根据权利要求1所述的一种高洁净离型纸的制备方法,其特征在于,所述制备工艺环境在无尘车间进行。
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