CN104325768B - 一种具有荧光效果的apet胶片的制备方法 - Google Patents

一种具有荧光效果的apet胶片的制备方法 Download PDF

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CN104325768B
CN104325768B CN201410556347.4A CN201410556347A CN104325768B CN 104325768 B CN104325768 B CN 104325768B CN 201410556347 A CN201410556347 A CN 201410556347A CN 104325768 B CN104325768 B CN 104325768B
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Abstract

本发明公开了一种具有荧光效果的APET胶片的制备方法,该制备方法包括如下步骤:a)选材备料,b)配制表层料,c)热熔复合,d)胶片后处理。本发明揭示了一种具有荧光效果的APET胶片的制备方法,该制备方法工序安排合理,实施过程简便,成本适中,制得的胶片层间结合强度高、性能稳定,该胶片在使用过程中具有独特的荧光效果,在光线较弱的环境中亦能保持良好的外观性能,有效的提升了APET胶片的实用性。

Description

一种具有荧光效果的APET胶片的制备方法
技术领域
本发明涉及一种APET胶片的制备方法,尤其涉及一种具有荧光效果的APET胶片的制备方法,属于APET制品技术领域。
背景技术
APET胶片是吸塑材料聚酯片材,也称聚酯硬质胶布,它属于热塑性环保塑胶产品,其边料与废品可回收,其所含化学元素同纸张一样为碳、氢、氧,属于可降解性塑料。用这种材料制成的包装产品丢弃后,最终成为水和二氧化碳。APET环保胶片广泛用于化妆品、食品、电子、玩具、印刷等行业的包装,如各种高档吸塑包装、折盒、胶筒、窗口片等。现阶段,国内已经拥有较为成熟的APET生产技术,其价格远低于PETG片材的价格。
APET胶片具有优异而稳定的物理性能,良好的透明度及外观性能,可作为化妆品、电子产品、玩具等时尚产品的外包装使用。但是,现行的外包装用APET胶片大多为无色或单一颜色的薄膜,在光线较暗或夜间将会失去外包装的外观性能,影响了APET胶片的实用性。
发明内容
针对上述需求,本发明提供了一种具有荧光效果的APET胶片的制备方法,该制备方法工序安排合理,成本适中,表层中的荧光粉料赋予了APET胶片独特的荧光效果,有效的提升了APET胶片的实用性。
本发明是一种具有荧光效果的APET胶片的制备方法,该制备方法包括如下步骤:a)选材备料,b)配制表层料,c)热熔复合,d)胶片后处理。
在本发明一较佳实施例中,所述的步骤a)中,APET胶片包括表层和基层,表层的主要成分为:PE粉料75%-80%、荧光粉料15%-20%,其余为助剂;荧光粉料为无机紫外荧光粉,平均粒径约为6-7um,助剂主要包括增塑剂DOP、热稳定剂顺丁烯二酸二丁基锡、抗静电剂SE-364甘油单硬脂酰酯、抗氧剂2,6-二叔丁基苯酚和润滑剂微晶石蜡;基层选用APET片材,厚度约为0.2-0.25mm。
在本发明一较佳实施例中,所述的步骤b)中,配制工艺包括混料、研磨和干燥处理;混料处理在离心式搅拌桶中进行,搅拌桶转速控制在650r/min,温度控制在40℃-50℃,时间约为30-35分钟;研磨处理使用球磨机,处理时间控制在1-1.2小时,处理后粉料的平均颗粒直径约为5um;干燥处理的温度控制在90℃左右,时间约为2-2.5小时,处理后粉料的含水量控制在0.05%-0.06%。
在本发明一较佳实施例中,所述的步骤c)中,设备选用热熔复合机,复合过程如下:首先,将表层料加热至140℃-145℃,同时对APET片材进行预热处理,预热温度控制在60℃-65℃;然后,使用刮刀将表层料涂覆至APET片材表面,涂覆厚度控制在0.1-0.12mm;最后,使用压辊对复合片材进行压延处理,压辊压力控制在1600-1700N/cm,压辊温度控制在60℃-65℃,压延处理后的表层厚度约为0.05-0.08mm,复合胶片的总厚度控制在0.25-0.3mm。
本发明揭示了一种具有荧光效果的APET胶片的制备方法,该制备方法工序安排合理,实施过程简便,成本适中,制得的胶片层间结合强度高、性能稳定,该胶片在使用过程中具有独特的荧光效果,在光线较弱的环境中亦能保持良好的外观性能,有效的提升了APET胶片的实用性。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明:
图1是本发明实施例具有荧光效果的APET胶片的制备方法的工序步骤图。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
图1是本发明实施例具有荧光效果的APET胶片的制备方法的工序步骤图;该制备方法包括如下步骤:a)选材备料,b)配制表层料,c)热熔复合,d)胶片后处理。
实施例1
本发明提及的具有荧光效果的APET胶片的具体制备过程如下:
a)选材备料,该APET胶片包括表层和基层,表层的主要成分为:PE粉料75%、荧光粉料18%,其余为助剂,其荧光粉料为无机紫外荧光粉,平均粒径约为6-7um,助剂主要包括增塑剂DOP、热稳定剂顺丁烯二酸二丁基锡、抗静电剂SE-364甘油单硬脂酰酯、抗氧剂2,6-二叔丁基苯酚和润滑剂微晶石蜡;基层选用APET片材,厚度约为0.2mm;
b)配制表层料,配制工艺包括混料、研磨和干燥处理;混料处理在离心式搅拌桶中进行,搅拌桶转速控制在650r/min,温度控制在45℃-50℃,时间约为30-32分钟;研磨处理使用球磨机,处理时间控制在1-1.2小时,处理后粉料的平均颗粒直径约为5um;干燥处理的温度控制在90℃左右,时间约为2.5小时,处理后粉料的含水量控制在0.05%-0.06%;
c)热熔复合,设备选用热熔复合机,复合过程如下:首先,将表层料加热至140℃左右,同时对APET片材进行预热处理,预热温度控制在60℃左右;然后,使用刮刀将表层料涂覆至APET片材表面,涂覆厚度控制在0.1mm左右;最后,使用压辊对复合片材进行压延处理,压辊压力控制在1600N/cm左右,压辊温度控制在60℃左右,压延处理后的表层厚度约为0.06-0.07mm,复合胶片的总厚度约为0.25mm;
d)胶片后处理,后处理工艺包括测厚、切边、牵引收卷、成品堆积以及废品回收等。
实施例2
本发明提及的具有荧光效果的APET胶片的具体制备过程如下:
a)选材备料,该APET胶片包括表层和基层,表层的主要成分为:PE粉料78%、荧光粉料15%,其余为助剂,其荧光粉料为无机紫外荧光粉,平均粒径约为6-7um,助剂主要包括增塑剂DOP、热稳定剂顺丁烯二酸二丁基锡、抗静电剂SE-364甘油单硬脂酰酯、抗氧剂2,6-二叔丁基苯酚和润滑剂微晶石蜡;基层选用APET片材,厚度约为0.24mm;
b)配制表层料,配制工艺包括混料、研磨和干燥处理;混料处理在离心式搅拌桶中进行,搅拌桶转速控制在650r/min,温度控制在40℃-45℃,时间约为34-35分钟;研磨处理使用球磨机,处理时间控制在1-1.2小时,处理后粉料的平均颗粒直径约为5um;干燥处理的温度控制在90℃左右,时间约为2小时,处理后粉料的含水量控制在0.05%-0.06%;
c)热熔复合,设备选用热熔复合机,复合过程如下:首先,将表层料加热至145℃左右,同时对APET片材进行预热处理,预热温度控制在65℃左右;然后,使用刮刀将表层料涂覆至APET片材表面,涂覆厚度控制在0.12mm左右;最后,使用压辊对复合片材进行压延处理,压辊压力控制在1700N/cm左右,压辊温度控制在65℃左右,压延处理后的表层厚度约为0.05-0.06mm,复合胶片的总厚度约为0.28mm;
d)胶片后处理,后处理工艺包括测厚、切边、牵引收卷、成品堆积以及废品回收等。
本发明揭示了一种具有荧光效果的APET胶片的制备方法,其特点是:该制备方法工序安排合理,实施过程简便,成本适中,制得的胶片层间结合强度高、性能稳定,该胶片在使用过程中具有独特的荧光效果,在光线较弱的环境中亦能保持良好的外观性能,有效的提升了APET胶片的实用性。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本领域的技术人员在本发明所揭露的技术范围内,可不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (3)

1.一种具有荧光效果的APET胶片的制备方法,其特征在于,该制备方法包括如下步骤:a)选材备料,b)配制表层料,c)热熔复合,d)胶片后处理;所述的步骤a)中,APET胶片包括表层和基层,表层的主要成分为:PE粉料75%-80%、荧光粉料15%-20%,其余为助剂;荧光粉料为无机紫外荧光粉,平均粒径为6-7um,助剂主要包括增塑剂DOP、热稳定剂顺丁烯二酸二丁基锡、抗静电剂SE-364甘油单硬脂酰酯、抗氧剂2,6-二叔丁基苯酚和润滑剂微晶石蜡;基层选用APET片材,厚度为0.2-0.25mm。
2.根据权利要求1所述的具有荧光效果的APET胶片的制备方法,其特征在于,所述的步骤b)中,配制工艺包括混料、研磨和干燥处理;混料处理在离心式搅拌桶中进行,搅拌桶转速控制在650r/min,温度控制在40℃-50℃,时间为30-35分钟;研磨处理使用球磨机,处理时间控制在1-1.2小时,处理后粉料的平均颗粒直径为5um;干燥处理的温度控制在90℃左右,时间为2-2.5小时,处理后粉料的含水量控制在0.05%-0.06%。
3.根据权利要求1所述的具有荧光效果的APET胶片的制备方法,其特征在于,所述的步骤c)中,设备选用热熔复合机,复合过程如下:首先,将表层料加热至140℃-145℃,同时对APET片材进行预热处理,预热温度控制在60℃-65℃;然后,使用刮刀将表层料涂覆至APET片材表面,涂覆厚度控制在0.1-0.12mm;最后,使用压辊对复合片材进行压延处理,压辊压力控制在1600-1700N/cm,压辊温度控制在60℃-65℃,压延处理后的表层厚度为0.05-0.08mm,复合胶片的总厚度控制在0.25-0.3mm。
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