CN105415722A - 一种亚光镀铝聚酯薄膜的制备工艺 - Google Patents

一种亚光镀铝聚酯薄膜的制备工艺 Download PDF

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CN105415722A
CN105415722A CN201510822005.7A CN201510822005A CN105415722A CN 105415722 A CN105415722 A CN 105415722A CN 201510822005 A CN201510822005 A CN 201510822005A CN 105415722 A CN105415722 A CN 105415722A
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焦国平
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ANHUI GUOTAI PACKING-PRINTING Co Ltd
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00Producing flat articles, e.g. films or sheets
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/346Clay
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14Metallic material, boron or silicon
    • C23C14/20Metallic material, boron or silicon on organic substrates
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24Vacuum evaporation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

本发明公开了一种亚光镀铝聚酯薄膜的制备工艺,包括以下工艺步骤:制备聚酯、制膜、真空镀铝、分切。本发明是一种亚光镀铝聚酯薄膜的制备工艺,其采用特殊的处理工艺,将制得的亚光聚酯薄膜进行真空镀铝,使得得到的镀铝聚酯薄膜具有更好的亚光性,且弯曲后铝箔不会产生裂纹,提高亚光膜质量。

Description

一种亚光镀铝聚酯薄膜的制备工艺
技术领域
本发明涉及薄膜加工领域,具体涉及一种亚光镀铝聚酯薄膜的制备工艺。
背景技术
双向拉伸聚对苯二甲酸乙二醇酯薄膜(简称BOPET),具有优良的物理化学性能,可广泛用于诸多领域。包装工业一直以来对高透明、高光泽的双向拉伸聚酯薄膜有很大的需求,因为它可以使包装表面具光泽和吸引力。与之相对应,低光泽度的亚光薄膜可以使包装表面更具朦胧感和艺术性,更加刺激消费者的购买欲望,亚光膜除具有普通聚酯薄膜优越的化学物理性能外,主要还具有:高雾度,低光泽等特点,具有较好的镀铝和印刷性能。亚光膜适用于家用电器、电脑精密仪器设备等特殊高档标签的制作、室内亚光装饰材料和高档烟、酒等印刷包装、高档图书的覆膜应用等。本发明介绍了一种亚光镀铝聚酯薄膜的制备工艺,其采用特殊的处理工艺,将制得的亚光聚酯薄膜进行真空镀铝,使得得到的镀铝聚酯薄膜具有更好的亚光性,且弯曲后铝箔不会产生裂纹,提高亚光膜质量。
发明内容
针对现有技术的不足,本发明的目的在于提供一种亚光镀铝聚酯薄膜的制备工艺。
本发明解决的技术问题可以采用以下技术方案来实现:一种亚光镀铝聚酯薄膜的制备工艺,包括以下工艺步骤:
(1)制备聚酯:将二元酸、二元醇、添加剂分散液在催化剂的作用下先进行酯化反应,再加入稳定剂进行缩聚反应,得到聚酯;
(2)制膜:将聚酯经过干燥、270~290℃下熔融挤出,并在温度80~120℃、拉伸倍率3.0~4.0∶1下纵横双向拉伸,再热定型、松弛、冷却、牵引、收卷,制成单层或多层结构的亚光聚酯薄膜;
(3)真空镀铝:将亚光聚酯薄膜在真空镀铝机上进行真空镀铝后形成亚光膜,真空镀铝流程为基材放卷→抽真空→加热蒸发舟→送铝丝→蒸镀→冷却→展平→收卷,真空度为5.0×10-2Pa,蒸发舟温度控制在1500~1600℃,铝丝纯度不低于99.99%,送丝速度为1.8~2m/min,镀铝层厚度为380~400埃,收卷速度为400~500m/min;
(4)分切:将亚光膜进行分切,分切速度为400m/min。
优选的,所述二元酸为PTA或QTA,所述二元醇为乙二醇,所述二元酸与乙二醇的摩尔量之比为1∶1.5~1∶2.0。
优选的,所述添加剂分散液中的添加剂由质量含量60~80%高岭土和40~20%硫酸钡组成,所述添加剂分散液的分散溶剂为二元醇。
有益效果是:本发明是一种亚光镀铝聚酯薄膜的制备工艺,其采用特殊的处理工艺,将制得的亚光聚酯薄膜进行真空镀铝,使得得到的镀铝聚酯薄膜具有更好的亚光性,且弯曲后铝箔不会产生裂纹,提高亚光膜质量。
具体实施方式
下面详细说明本发明的优选实施方式。
本发明一种亚光镀铝聚酯薄膜的制备工艺的具体实施方式:一种亚光镀铝聚酯薄膜的制备工艺,包括以下工艺步骤:(1)制备聚酯:将二元酸、二元醇、添加剂分散液在催化剂的作用下先进行酯化反应,再加入稳定剂进行缩聚反应,得到聚酯;(2)制膜:将聚酯经过干燥、270~290℃下熔融挤出,并在温度80~120℃、拉伸倍率3.0~4.0∶1下纵横双向拉伸,再热定型、松弛、冷却、牵引、收卷,制成单层或多层结构的亚光聚酯薄膜;(3)真空镀铝:将亚光聚酯薄膜在真空镀铝机上进行真空镀铝后形成亚光膜,真空镀铝流程为基材放卷→抽真空→加热蒸发舟→送铝丝→蒸镀→冷却→展平→收卷,真空度为5.0×10-2Pa,蒸发舟温度控制在1500~1600℃,铝丝纯度不低于99.99%,送丝速度为1.8~2m/min,镀铝层厚度为380~400埃,收卷速度为400~500m/min;(4)分切:将亚光膜进行分切,分切速度为400m/min。所述二元酸为PTA或QTA,所述二元醇为乙二醇,所述二元酸与乙二醇的摩尔量之比为1∶1.5~1∶2.0。所述添加剂分散液中的添加剂由质量含量60~80%高岭土和40~20%硫酸钡组成,所述添加剂分散液的分散溶剂为二元醇。
经过上述工艺步骤后,得到亚光镀铝聚酯薄膜,其采用特殊的处理工艺,将制得的亚光聚酯薄膜进行真空镀铝,使得得到的镀铝聚酯薄膜具有更好的亚光性,且弯曲后铝箔不会产生裂纹,提高亚光膜质量。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (3)

1.一种亚光镀铝聚酯薄膜的制备工艺,其特征在于,包括以下工艺步骤:
(1)制备聚酯:将二元酸、二元醇、添加剂分散液在催化剂的作用下先进行酯化反应,再加入稳定剂进行缩聚反应,得到聚酯;
(2)制膜:将聚酯经过干燥、270~290℃下熔融挤出,并在温度80~120℃、拉伸倍率3.0~4.0∶1下纵横双向拉伸,再热定型、松弛、冷却、牵引、收卷,制成单层或多层结构的亚光聚酯薄膜;
(3)真空镀铝:将亚光聚酯薄膜在真空镀铝机上进行真空镀铝后形成亚光膜,真空镀铝流程为基材放卷→抽真空→加热蒸发舟→送铝丝→蒸镀→冷却→展平→收卷,真空度为5.0×10-2Pa,蒸发舟温度控制在1500~1600℃,铝丝纯度不低于99.99%,送丝速度为1.8~2m/min,镀铝层厚度为380~400埃,收卷速度为400~500m/min;
(4)分切:将亚光膜进行分切,分切速度为400m/min。
2.根据权利要求1所述的一种亚光镀铝聚酯薄膜的制备工艺,其特征在于,所述二元酸为PTA或QTA,所述二元醇为乙二醇,所述二元酸与乙二醇的摩尔量之比为1∶1.5~1∶2.0。
3.根据权利要求1所述的一种亚光镀铝聚酯薄膜的制备工艺,其特征在于,所述添加剂分散液中的添加剂由质量含量60~80%高岭土和40~20%硫酸钡组成,所述添加剂分散液的分散溶剂为二元醇。
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106432893A (zh) * 2016-10-14 2017-02-22 无锡三帝特种高分子材料有限公司 一种实用性强的镀铝膜
CN106478992A (zh) * 2016-10-14 2017-03-08 无锡三帝特种高分子材料有限公司 一种化妆品包装用镀铝膜
CN106496897A (zh) * 2016-10-14 2017-03-15 无锡三帝特种高分子材料有限公司 一种聚酯镀铝膜
CN106519633A (zh) * 2016-10-14 2017-03-22 无锡三帝特种高分子材料有限公司 一种高防油镭射镀铝膜
CN107163510A (zh) * 2017-07-14 2017-09-15 芜湖市三山区绿色食品产业协会 抗老化聚酯/铝箔/聚酯复合食品包装膜及其制备方法
CN110884239A (zh) * 2019-11-13 2020-03-17 嘉兴鹏翔包装材料有限公司 一种哑光标签用vmpet薄膜及其制备方法
CN110983256A (zh) * 2019-12-16 2020-04-10 嘉兴鹏翔包装材料有限公司 一种保温用双面真空镀铝聚酯薄膜及其制备方法
CN113002027A (zh) * 2021-03-15 2021-06-22 江苏宗亮新材料有限公司 一种亚光真空镀铝聚酯膜制作方法

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CN103102474A (zh) * 2011-11-09 2013-05-15 中国石油化工股份有限公司 亚光聚酯薄膜的制备方法
CN104108222A (zh) * 2014-06-16 2014-10-22 嘉兴鹏翔包装材料有限公司 一种亚光镀铝膜的生产工艺

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CN101503790A (zh) * 2008-02-04 2009-08-12 上海永超真空镀铝有限公司 塑料薄膜镀铝方法
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CN104108222A (zh) * 2014-06-16 2014-10-22 嘉兴鹏翔包装材料有限公司 一种亚光镀铝膜的生产工艺

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106432893A (zh) * 2016-10-14 2017-02-22 无锡三帝特种高分子材料有限公司 一种实用性强的镀铝膜
CN106478992A (zh) * 2016-10-14 2017-03-08 无锡三帝特种高分子材料有限公司 一种化妆品包装用镀铝膜
CN106496897A (zh) * 2016-10-14 2017-03-15 无锡三帝特种高分子材料有限公司 一种聚酯镀铝膜
CN106519633A (zh) * 2016-10-14 2017-03-22 无锡三帝特种高分子材料有限公司 一种高防油镭射镀铝膜
CN107163510A (zh) * 2017-07-14 2017-09-15 芜湖市三山区绿色食品产业协会 抗老化聚酯/铝箔/聚酯复合食品包装膜及其制备方法
CN110884239A (zh) * 2019-11-13 2020-03-17 嘉兴鹏翔包装材料有限公司 一种哑光标签用vmpet薄膜及其制备方法
CN110983256A (zh) * 2019-12-16 2020-04-10 嘉兴鹏翔包装材料有限公司 一种保温用双面真空镀铝聚酯薄膜及其制备方法
CN113002027A (zh) * 2021-03-15 2021-06-22 江苏宗亮新材料有限公司 一种亚光真空镀铝聚酯膜制作方法

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