CN112721367A - 一种环保型pp合成纸透明pet底不干胶复合材料生产工艺 - Google Patents

一种环保型pp合成纸透明pet底不干胶复合材料生产工艺 Download PDF

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CN112721367A
CN112721367A CN202011578031.7A CN202011578031A CN112721367A CN 112721367 A CN112721367 A CN 112721367A CN 202011578031 A CN202011578031 A CN 202011578031A CN 112721367 A CN112721367 A CN 112721367A
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transparent pet
environment
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陈家路
陈家坤
李洪夫
丁迎飞
冯传永
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Jiangsu Jinda Packaging Material Technology Co ltd
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    • B32LAYERED PRODUCTS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207Heat-activated adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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    • D21H19/80Paper comprising more than one coating
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    • D21H25/06Physical treatment, e.g. heating, irradiating of impregnated or coated paper
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
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    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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Abstract

本发明公开了一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,主要包括底材、淋膜、涂硅、复合、冷却、收卷六个步骤,通过使用PET膜做底材,保证了产品的平整度,PET膜做底材减少了不同环境对底材的影响,将所有工艺流程中产生的废气都进行收集后集中处理,将冷却水循环利用,防止污染环境,节约资源,本发明制备工艺简单,制得的不干胶黏性强、不易脱落、抗黄化性能佳、环保性能佳,通过合适的速度及温度,进行复合,得到的不干胶材料粘性大大提高。

Description

一种环保型PP合成纸透明PET底不干胶复合材料生产工艺
技术领域
本发明涉及不干胶技术领域,具体为一种环保型PP合成纸透明PET底不干胶复合材料生产工艺。
背景技术
不干胶也叫自粘标签材料,是以纸张、薄膜或特种材料为面料,背面涂有胶粘剂,以涂硅保护纸为底纸的一种复合材料。不干胶标签同传统的标签具有不用刷胶、不用浆糊、不用蘸水、无污染、节省贴标时间等优点,应用范围广,方便快捷。不干胶是一种材料,也叫自粘标签材料以纸张、薄膜或其它特种材料为面料,背面涂有胶粘剂,以涂硅保护纸为底纸的一种复合材料。并经印刷、模切等加工后成为成品标签。
由于涂布技术有多种,致使不干胶材料形成有不同档次,发展方向是由传统的辊式涂布、刮刀涂布向高压流延涂布方向发展,以最大限度保证涂布的均匀感性,避免气泡和针眼的产生,保证涂布质量,而流延布涂布在国内技术还未成熟,国内主要采用的是传统辊式涂布。
发明内容
本发明的目的在于提供一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,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:一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,步骤1:检验底材:检验PP合成纸的光洁度和表面是否损坏,符合要求后进行后续加工;
步骤2:淋膜:将聚乙烯通过高速淋膜机加热熔化挤出,通过橡胶辊和冷却辊将聚乙烯压合到PP合成纸上使其牢固粘合产生塑纸膜;
步骤3:涂硅:将产生塑纸膜的PP合成纸经过三辊涂布头对其涂硅油液处理,通过上硅流水线中的长为25米的烘箱进行烘干形成复合底纸,其进行速度为150-200米/分钟,涂硅量为1.1-1.2克/平方米,温度控制在140℃-150℃左右;
步骤4:复合:将热熔胶通过电加温熔化到一定浓度,由供胶系统通过涂布头喷涂到底纸上,再经过复合压辊将融化后的热熔性压敏胶转移到PP合成纸上,形成复合材料半成品后,将半成品PP合成纸粘到透明PET底上后进行冷却;
步骤5:冷却:建立循环的水系统,配置冷水降温系统,水箱内长期保持有水状态,设备运行是由水泵将水系统中的循环水流动回转,冰水机将在水箱中的水控制水温,再将降温后的循环水通过水泵带入水系统将系统中的循环水控制在期望温度以下;
步骤6:收卷:将复合后的PP合成纸透明PET底不干胶材料按照所需的规格和米数进行收卷。
优选的,所述步骤2采用的聚乙烯材料为低密度聚乙烯,所述步骤2采用电加热,加热温度为300℃左右。
优选的,所述步骤3中硅流水线的烘箱采用天然气导热油炉加热。
优选的,所述步骤4的热熔胶的涂胶量为25克/平米,涂布机的速度在70-80米/分钟,温度控制在130-140℃左右烘干处理。
优选的,所述步骤3和步骤4产生的废气通过废气收集装置收集集中处理。
与现有技术相比,本发明的有益效果是:
(1)本发明制备工艺简单,制得的不干胶黏性强、不易脱落、抗黄化性能佳、环保性能佳,通过合适的速度及温度,进行合膜,得到的不干胶材料粘性大大提高。
(2)本发明通过使用PET膜做底材,保证了产品的平整度,PET膜做底材减少了不同环境对底材的影响。
(3)本发明将所有工艺流程中产生的废气都进行收集后集中处理,将冷却水循环利用,防止污染环境,节约资源。
附图说明
图1为本发明的工艺流程图。
具体实施方式
下面将结合本发明实施例中的附图,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。
在本发明的描述中,需要说明的是,术语“上”、 “下”、 “内”、 “外”“前端”、 “后端”、 “两端”、 “一端”、 “另一端”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、 “第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“设置有”、 “连接”等,应做广义理解,例如“连接”,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
请参阅图1,本发明提供一种技术方案:一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,步骤1:检验底材:检验PP合成纸的光洁度和表面是否损坏,符合要求后进行后续加工;
步骤2:淋膜:将聚乙烯通过高速淋膜机加热熔化挤出,通过橡胶辊和冷却辊将聚乙烯压合到PP合成纸上使其牢固粘合产生塑纸膜, 所有聚乙烯为低密度聚乙烯,采用电加热方式,螺杆加热温度为300℃左右
步骤3:涂硅:将产生塑纸膜的PP合成纸经过三辊涂布头对其涂硅油液处理,通过上硅流水线中的长为25米的烘箱进行烘干形成复合底纸,其进行速度为150-200米/分钟,涂硅量为1.1-1.2克/平方米,温度控制在140℃-150℃左右,此过程中的烘箱采用天然气导热油炉加热,建立循环的水系统,配置冷水降温系统,水箱内长期保持有水状态,设备运行是由水泵将水系统中的循环水流动回转,冰水机将在水箱中的水控制水温,再将降温后的循环水通过水泵带入水系统将系统中的循环水控制在期望温度以下;
步骤4:复合:将热熔胶通过电加温熔化到一定浓度,由供胶系统通过涂布头喷涂到底纸上,再经过复合压辊将融化后的热熔性压敏胶转移到PP合成纸上,形成复合材料半成品后,将半成品PP合成纸粘到透明PET底上后进行冷却;
步骤5:冷却:建立循环的水系统,配置冷水降温系统,水箱内长期保持有水状态,设备运行是由水泵将水系统中的循环水流动回转,冰水机将在水箱中的水控制水温,再将降温后的循环水通过水泵带入水系统将系统中的循环水控制在期望温度以下;
步骤6:收卷:将复合后的PP合成纸透明PET底不干胶材料按照所需的规格和米数进行收卷。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。

Claims (5)

1.一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,其特征在于:步骤1:检验底材:检验PP合成纸的光洁度和表面是否损坏,符合要求后进行后续加工;
步骤2:淋膜:将聚乙烯通过高速淋膜机加热熔化挤出,通过橡胶辊和冷却辊将聚乙烯压合到PP合成纸上使其牢固粘合产生塑纸膜;
步骤3:涂硅:将产生塑纸膜的PP合成纸经过三辊涂布头对其涂硅油液处理,通过上硅流水线中的长为25米的烘箱进行烘干形成复合底纸,其进行速度为150-200米/分钟,涂硅量为1.1-1.2克/平方米,温度控制在140℃-150℃左右;
步骤4:复合:将热熔胶通过电加温熔化到一定浓度,由供胶系统通过涂布头喷涂到底纸上,再经过复合压辊将融化后的热熔性压敏胶转移到PP合成纸上,形成复合材料半成品后,将半成品PP合成纸粘到透明PET底上后进行冷却;
步骤5:冷却:建立循环的水系统,配置冷水降温系统,水箱内长期保持有水状态,设备运行是由水泵将水系统中的循环水流动回转,冰水机将在水箱中的水控制水温,再将降温后的循环水通过水泵带入水系统将系统中的循环水控制在期望温度以下;
步骤6:收卷:将复合后的PP合成纸透明PET底不干胶材料按照所需的规格和米数进行收卷。
2.根据权利要求1所述的一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,其特征在于:所述步骤2采用的聚乙烯材料为低密度聚乙烯,所述步骤2采用电加热,加热温度为300℃左右。
3.根据权利要求1所述的一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,其特征在于:所述步骤3中硅流水线的烘箱采用天然气导热油炉加热。
4.根据权利要求1所述的一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,其特征在于:所述步骤4的热熔胶的涂胶量为25克/平米,涂布机的速度在70-80米/分钟,温度控制在130-140℃左右烘干处理。
5.根据权利要求1所述的一种环保型PP合成纸透明PET底不干胶复合材料生产工艺,其特征在于:所述步骤3和步骤4产生的废气通过废气收集装置收集集中处理。
CN202011578031.7A 2020-12-28 2020-12-28 一种环保型pp合成纸透明pet底不干胶复合材料生产工艺 Pending CN112721367A (zh)

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