CN108676188A - 一种抗静电改性pet离型膜的制备工艺 - Google Patents
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Abstract
本发明是一种抗静电改性PET离型膜的制备工艺,本发明由硅酸乙脂系构成的抗静电涂层具有良好的导电性,能够把离型膜表面的静电带走,从而达到驱除静电的效果,其除静电的效果非常稳定和极其良好。此外,制备PET薄膜时,加入了紫外线吸收剂,与PET薄膜的配合,大大地延长了抗紫外线的时效,从而本发明具有优异的抗紫外线性能。
Description
技术领域
本发明涉及PET离型膜制备技术领域,尤其涉及一种抗静电改性PET离型膜的制备工艺。
背景技术
PET离型膜也叫PET硅油膜,就是在PET薄膜的表面涂上一层硅油,以降低PET薄膜表面的附着力,达离型的效果。PET离型膜具有很好的吸附性和贴合性,被广泛应用于包装、印刷、丝印、移印、铭板、薄膜开关、柔性线路、绝缘制品、线路板、激光防伪、贴合、电子、密封材料用膜、反光材料、防水材料、医药(膏药用纸)、卫生用纸、胶粘制品、模切冲型加工等行业领域。塑料、玻璃、金属等材料在运输和使用过程中,其表面容易受到接触性的污染或是划痕、破裂等损伤,而且这些需要保护的材料如塑料等,很容易受到紫外线的破坏,因此,需要使用具有抗紫外线功能的包装保护材料,而目前市场上的离型膜不具有抗紫外线性能。此外,现有的离型膜抗静电性能差,因此,亟需开发一种抗静电性能好的产品。
发明内容
本发明旨在解决现有技术的不足,而提供一种抗静电改性PET离型膜的制备工艺。
本发明为实现上述目的,采用以下技术方案:
一种抗静电改性PET离型膜的制备工艺,其步骤包括:
(1)制备PET离型膜,PET离型膜包括以下重量配比的原料:PET80~110份,PP10~15份,3-氨丙基三乙氧基硅烷4~8份,增韧剂0.6~1.2份,硫酸钡16~25份,二氧化钛15~20份,甲基丙烯酸甲酯18~25份,甲基丙烯酸十八醇酯2~6份,聚乙二醇15~25份,水25~40份,天然乳胶8~15份,乙醇15~25份,消泡剂0.4~0.8份,增稠剂0.5~0.8份,润滑剂0.8~1.5份,增强剂0.5~1.2份,紫外线吸收剂5~15份,按照重量配比称取所需原料并搅拌均匀配置成浆料,加热至80~100℃,搅拌1~3h,最后冷却至室温即可;
(2)制备抗静电涂层,将硅酸乙脂系涂料涂在PET离型膜上,形成抗静电涂层;
(3)制备功能层,将导电聚合物树脂15-50份,含氢硅油15-50份,乙烯基有机硅树脂20-55份,引发剂0.1-2.0份,抗氧剂0.05-1.0份,硬脂酸钙0.1-1份,按重量份配制成浆料,依次均匀涂布于抗静电涂层的上表面,形成功能层;
(4)进行热固化和光固化,将涂布好的功能层经过热固化,光固化制备而成。
优选地,所述热固化的温度为85-115℃,时间为15-25s。
优选地,光固化的强度为90-110W/cm、剂量为200-300J/cm2、照射时间5-20s。
优选地,步骤(1)中的水为去离子水。
优选地,步骤(1)中的紫外线吸收剂为氯代苯并三唑类紫外线吸收剂。
优选地,步骤(1)中的PET为分子量为21000~29000的粒径为105~115目的PET颗粒。
本发明的有益效果:本发明由硅酸乙脂系构成的抗静电涂层具有良好的导电性,能够把离型膜表面的静电带走,从而达到驱除静电的效果,其除静电的效果非常稳定和极其良好。此外,制备PET薄膜时,加入了紫外线吸收剂,与PET薄膜的配合,大大地延长了抗紫外线的时效,从而本发明具有优异的抗紫外线性能。
具体实施方式
下面结合具体实施例对本发明作进一步说明:
一种抗静电改性PET离型膜的制备工艺,其步骤包括:
(1)制备PET离型膜,PET离型膜包括以下重量配比的原料:PET80~110份,PP10~15份,3-氨丙基三乙氧基硅烷4~8份,增韧剂0.6~1.2份,硫酸钡16~25份,二氧化钛15~20份,甲基丙烯酸甲酯18~25份,甲基丙烯酸十八醇酯2~6份,聚乙二醇15~25份,水25~40份,天然乳胶8~15份,乙醇15~25份,消泡剂0.4~0.8份,增稠剂0.5~0.8份,润滑剂0.8~1.5份,增强剂0.5~1.2份,紫外线吸收剂5~15份,按照重量配比称取所需原料并搅拌均匀配置成浆料,加热至80~100℃,搅拌1~3h,最后冷却至室温即可;
(2)制备抗静电涂层,将硅酸乙脂系涂料涂在PET离型膜上,形成抗静电涂层;
(3)制备功能层,将导电聚合物树脂15-50份,含氢硅油15-50份,乙烯基有机硅树脂20-55份,引发剂0.1-2.0份,抗氧剂0.05-1.0份,硬脂酸钙0.1-1份,按重量份配制成浆料,依次均匀涂布于抗静电涂层的上表面,形成功能层;
(4)进行热固化和光固化,将涂布好的功能层经过热固化,光固化制备而成。
优选地,所述热固化的温度为85-115℃,时间为15-25s。
优选地,光固化的强度为90-110W/cm、剂量为200-300J/cm2、照射时间5-20s。
优选地,步骤(1)中的水为去离子水。
优选地,步骤(1)中的紫外线吸收剂为氯代苯并三唑类紫外线吸收剂。
优选地,步骤(1)中的PET为分子量为21000~29000的粒径为105~115目的PET颗粒。
实施例1:
一种抗静电改性PET离型膜的制备工艺,其步骤包括:
(1)制备PET离型膜,PET离型膜包括以下重量配比的原料:PET80份,PP10份,3-氨丙基三乙氧基硅烷4份,增韧剂0.6份,硫酸钡16份,二氧化钛15份,甲基丙烯酸甲酯18份,甲基丙烯酸十八醇酯2份,聚乙二醇15份,水25份,天然乳胶8份,乙醇15份,消泡剂0.4份,增稠剂0.5份,润滑剂0.8份,增强剂0.5份,紫外线吸收剂5份,按照重量配比称取所需原料并搅拌均匀配置成浆料,加热至80℃,搅拌1h,最后冷却至室温即可;
(2)制备抗静电涂层,将硅酸乙脂系涂料涂在PET离型膜上,形成抗静电涂层;
(3)制备功能层,将导电聚合物树脂15份,含氢硅油15份,乙烯基有机硅树脂20份,引发剂0.1份,抗氧剂0.05份,硬脂酸钙0.1份,按重量份配制成浆料,依次均匀涂布于抗静电涂层的上表面,形成功能层;
(4)进行热固化和光固化,将涂布好的功能层经过热固化,光固化制备而成。
优选地,所述热固化的温度为85℃,时间为15s。
优选地,光固化的强度为90W/cm、剂量为200J/cm2、照射时间5s。
优选地,步骤(1)中的水为去离子水。
优选地,步骤(1)中的紫外线吸收剂为氯代苯并三唑类紫外线吸收剂。
优选地,步骤(1)中的PET为分子量为21000的粒径为105目的PET颗粒。
实施例2:
一种抗静电改性PET离型膜的制备工艺,其步骤包括:
(1)制备PET离型膜,PET离型膜包括以下重量配比的原料:PET110份,PP15份,3-氨丙基三乙氧基硅烷8份,增韧剂1.2份,硫酸钡25份,二氧化钛20份,甲基丙烯酸甲酯25份,甲基丙烯酸十八醇酯6份,聚乙二醇25份,水40份,天然乳胶15份,乙醇25份,消泡剂0.8份,增稠剂0.8份,润滑剂1.5份,增强剂1.2份,紫外线吸收剂15份,按照重量配比称取所需原料并搅拌均匀配置成浆料,加热至100℃,搅拌3h,最后冷却至室温即可;
(2)制备抗静电涂层,将硅酸乙脂系涂料涂在PET离型膜上,形成抗静电涂层;
(3)制备功能层,将导电聚合物树脂50份,含氢硅油50份,乙烯基有机硅树脂55份,引发剂2.0份,抗氧剂1.0份,硬脂酸钙1份,按重量份配制成浆料,依次均匀涂布于抗静电涂层的上表面,形成功能层;
(4)进行热固化和光固化,将涂布好的功能层经过热固化,光固化制备而成。
优选地,所述热固化的温度为115℃,时间为25s。
优选地,光固化的强度为110W/cm、剂量为300J/cm2、照射时间20s。
优选地,步骤(1)中的水为去离子水。
优选地,步骤(1)中的紫外线吸收剂为氯代苯并三唑类紫外线吸收剂。
优选地,步骤(1)中的PET为分子量为29000的粒径为115目的PET颗粒。
实施例3:
一种抗静电改性PET离型膜的制备工艺,其步骤包括:
(1)制备PET离型膜,PET离型膜包括以下重量配比的原料:PET100份,PP12份,3-氨丙基三乙氧基硅烷7份,增韧剂0.8份,硫酸钡20份,二氧化钛18份,甲基丙烯酸甲酯22份,甲基丙烯酸十八醇酯5份,聚乙二醇20份,水30份,天然乳胶12份,乙醇18份,消泡剂0.6份,增稠剂0.7份,润滑剂0.9份,增强剂1份,紫外线吸收剂12份,按照重量配比称取所需原料并搅拌均匀配置成浆料,加热至90℃,搅拌2h,最后冷却至室温即可;
(2)制备抗静电涂层,将硅酸乙脂系涂料涂在PET离型膜上,形成抗静电涂层;
(3)制备功能层,将导电聚合物树脂30份,含氢硅油30份,乙烯基有机硅树脂40份,引发剂1.8份,抗氧剂0.8份,硬脂酸钙0.8份,按重量份配制成浆料,依次均匀涂布于抗静电涂层的上表面,形成功能层;
(4)进行热固化和光固化,将涂布好的功能层经过热固化,光固化制备而成。
优选地,所述热固化的温度为100℃,时间为20s。
优选地,光固化的强度为100W/cm、剂量为250J/cm2、照射时间15s。
优选地,步骤(1)中的水为去离子水。
优选地,步骤(1)中的紫外线吸收剂为氯代苯并三唑类紫外线吸收剂。
优选地,步骤(1)中的PET为分子量为28000的粒径为110目的PET颗粒。
上面结合具体实施例对本发明进行了示例性描述,显然本发明具体实现并不受上述方式的限制,只要采用了本发明的方法构思和技术方案进行的各种改进,或未经改进直接应用于其它场合的,均在本发明的保护范围之内。
Claims (6)
1.一种抗静电改性PET离型膜的制备工艺,其步骤包括:
(1)制备PET离型膜,PET离型膜包括以下重量配比的原料:PET 80~110份,PP 10~15份,3-氨丙基三乙氧基硅烷4~8份,增韧剂0.6~1.2份,硫酸钡16~25份,二氧化钛15~20份,甲基丙烯酸甲酯18~25份,甲基丙烯酸十八醇酯2~6份,聚乙二醇15~25份,水25~40份,天然乳胶8~15份,乙醇15~25份,消泡剂0.4~0.8份,增稠剂0.5~0.8份,润滑剂0.8~1.5份,增强剂0.5~1.2份,紫外线吸收剂5~15份,按照重量配比称取所需原料并搅拌均匀配置成浆料,加热至80~100℃,搅拌1~3h,最后冷却至室温即可;
(2)制备抗静电涂层,将硅酸乙脂系涂料涂在PET离型膜上,形成抗静电涂层;
(3)制备功能层,将导电聚合物树脂15-50份,含氢硅油15-50份,乙烯基有机硅树脂20-55份,引发剂0.1-2.0份,抗氧剂0.05-1.0份,硬脂酸钙0.1-1份,按重量份配制成浆料,依次均匀涂布于抗静电涂层的上表面,形成功能层;
(4)进行热固化和光固化,将涂布好的功能层经过热固化,光固化制备而成。
2.根据权利要求1所述的一种抗静电改性PET离型膜的制备工艺,其特征在于,所述热固化的温度为85-115℃,时间为15-25s。
3.根据权利要求1所述的一种抗静电改性PET离型膜的制备工艺,其特征在于,光固化的强度为90-110W/cm、剂量为200-300J/cm2、照射时间5-20s。
4.根据权利要求1所述的一种抗静电改性PET离型膜的制备工艺,其特征在于,步骤(1)中的水为去离子水。
5.根据权利要求1所述的一种抗静电改性PET离型膜的制备工艺,其特征在于,步骤(1)中的紫外线吸收剂为氯代苯并三唑类紫外线吸收剂。
6.根据权利要求1所述的一种抗静电改性PET离型膜的制备工艺,其特征在于,步骤(1)中的PET为分子量为21000~29000的粒径为105~115目的PET颗粒。
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CN116023695A (zh) * | 2023-02-01 | 2023-04-28 | 苏州市奥贝新材料科技有限公司 | 一种离型膜及其制备方法 |
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CN116023695A (zh) * | 2023-02-01 | 2023-04-28 | 苏州市奥贝新材料科技有限公司 | 一种离型膜及其制备方法 |
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