CN111267443A - 一种抗静电消光膜及其制备方法 - Google Patents

一种抗静电消光膜及其制备方法 Download PDF

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CN111267443A
CN111267443A CN202010063841.2A CN202010063841A CN111267443A CN 111267443 A CN111267443 A CN 111267443A CN 202010063841 A CN202010063841 A CN 202010063841A CN 111267443 A CN111267443 A CN 111267443A
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layer
film
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齐先锋
方文彬
王兆中
方勇
张国宗
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Anhui Gettel High New Material Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0018Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/002Combinations of extrusion moulding with other shaping operations combined with surface shaping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/49Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
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    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/18Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • 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
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    • B32LAYERED PRODUCTS
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    • B32B2307/00Properties of the layers or laminate
    • B32B2307/20Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
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Abstract

本发明公开了一种抗静电消光膜及其制备方法,抗静电消光膜为三层结构,从上到下依次包括抗粘连层、芯层、消光层;抗粘连层由如下原料按重量份组成:聚丙烯80‑90份、防黏剂1‑3份;芯层由如下原料按重量份组成:聚丙烯80‑90份、抗静电剂2‑4份;消光层由如下原料按重量份组成:消光母料90‑96份、爽滑剂2‑3份;抗静电消光膜的三层结构是通过熔融共挤和双向拉伸后形成的。本发明制备的消光膜膜面晶点、白点少,具有较高的雾度和较低的光泽度,消光层手感光滑细腻,白色哑光效果比较美观,可用于电子产品的表面保护作用,让电子产品在生产过程中起到防尘、刮花作用,也适合做高端商品的外包装。

Description

一种抗静电消光膜及其制备方法
技术领域
本发明涉及薄膜生产领域,具体是一种抗静电消光膜及其制备方法。
背景技术
双向拉伸聚丙烯薄膜(BOPP)物理稳定性好、机械强度大、气密性较好,透明度和光泽度较高,坚韧耐磨,是应用最广泛的薄膜,一般使用厚度为10~100μm。目前双向拉伸聚丙烯薄膜又分为光膜和消光膜两大类,消光膜可分为单面消光,双面消光及热封消光等品种。消光膜的开发成功,极大的拓展了薄膜的使用范围。然而由于原料的不同,生产设备的不同,生产的参数也需要不断摸索,市场上的消光膜普遍存在分散差,膜面白点、晶点多等问题,产品的品质也需要进一步提高。
发明内容
本发明提供了一种抗静电消光膜及其制备方法,以解决上述技术问题。
一种抗静电消光膜,所述抗静电消光膜为三层结构,从上到下依次包括抗粘连层、芯层、消光层;
所述抗粘连层由如下原料按重量份组成:聚丙烯80-90份、防黏剂1-3份;
所述芯层由如下原料按重量份组成:聚丙烯80-90份、抗静电剂2-4份;
所述消光层由如下原料按重量份组成:消光母料90-96份、爽滑剂2-3份;
所述抗静电消光膜的三层结构是通过熔融共挤和双向拉伸后形成的。
优选的,所述防黏剂为合成二氧化硅、玻璃微珠、有机硅聚合物或甲基丙烯酸醋的聚合物。
优选的,所述抗静电剂为抗静电剂HZ-1或抗静电剂HZ-14或乙二醇月桂酸酰胺或乙氧基化烷基胺。
优选的,所述爽滑剂为油酸酰胺、芥酸酰胺、硬脂酸钙、硅酮中的一种。
优选的,所述的抗静电消光膜的制备方法,包括如下步骤:
S1、分别将抗粘连层、芯层、消光层对应的原料定量投入第一挤出机、第二挤出机、第三挤出机;
S2、抗粘连层、芯层、消光层对应的原料分别在第一挤出机、第二挤出机、第三挤出机内加热成熔融状态,分别经过过滤网过滤后,在三层结构模头中汇合挤出成膜片,然后通过激冷辊和水池快速冷却定型为厚片;
S3、厚片经过预热、纵向拉伸、定型,得到厚膜;
S4、厚膜再经过预热、横向拉伸、定型、冷却,得到薄膜;
S5、薄膜经过TDO冷却,牵引辊冷却和电晕处理,然后收卷得到成品。
优选的,所述步骤S2中第一挤出机、第二挤出机、第三挤出机的加热温度为250℃,模头温度为240℃。
优选的,所述步骤S3中预热温度为125-138℃,纵向拉伸温度为122-128℃,定型温度为127-139℃。
优选的,所述步骤S4中预热温度为168-172℃,横向拉伸温度为155℃,定型温度为167℃。
本发明的有益效果是:
本发明制备的消光膜膜面晶点、白点少,具有较高的雾度和较低的光泽度,消光层手感光滑细腻,白色哑光效果比较美观,可用于电子产品的表面保护作用,让电子产品在生产过程中起到防尘、刮花作用,也适合做高端商品的外包装。
具体实施方式
以下对本发明的实施例进行详细说明,但是本发明可以由权利要求限定和覆盖的多种不同方式实施。
以下通过具体实施例对本发明进行详细描述。
实施例1
一种抗静电消光膜及其制备方法,抗静电消光膜为三层结构,从上到下依次包括抗粘连层、芯层、消光层;
抗粘连层由如下原料按重量份组成:聚丙烯80份、防黏剂1份;
芯层由如下原料按重量份组成:聚丙烯80份、抗静电剂2份;
消光层由如下原料按重量份组成:消光母料90份、爽滑剂2份;
上述抗静电消光膜的三层结构是通过熔融共挤和双向拉伸后形成的。
上述防黏剂为合成二氧化硅、玻璃微珠、有机硅聚合物或甲基丙烯酸醋的聚合物。
上述抗静电剂为抗静电剂HZ-1或抗静电剂HZ-14或乙二醇月桂酸酰胺或乙氧基化烷基胺。
上述爽滑剂为油酸酰胺、芥酸酰胺、硬脂酸钙、硅酮中的一种。
上述抗静电消光膜的制备方法,包括如下步骤:
S1、分别将抗粘连层、芯层、消光层对应的原料定量投入第一挤出机、第二挤出机、第三挤出机;
S2、抗粘连层、芯层、消光层对应的原料分别在第一挤出机、第二挤出机、第三挤出机内加热成熔融状态,分别经过过滤网过滤后,在三层结构模头中汇合挤出成膜片,然后通过激冷辊和水池快速冷却定型为厚片,第一挤出机、第二挤出机、第三挤出机的加热温度为250℃,模头温度为240℃;
S3、厚片经过预热、纵向拉伸、定型,得到厚膜,预热温度为125℃,纵向拉伸温度为122℃,定型温度为127℃;
S4、厚膜再经过预热、横向拉伸、定型、冷却,得到薄膜,预热温度为168℃,横向拉伸温度为155℃,定型温度为167℃;
S5、薄膜经过TDO冷却,牵引辊冷却和电晕处理,然后收卷得到成品。
以下各实施例与实施例1的区别仅在于,
实施例2
一种抗静电消光膜及其制备方法,抗静电消光膜为三层结构,从上到下依次包括抗粘连层、芯层、消光层;
抗粘连层由如下原料按重量份组成:聚丙烯85份、防黏剂2份;
芯层由如下原料按重量份组成:聚丙烯85份、抗静电剂3份;
消光层由如下原料按重量份组成:消光母料93份、爽滑剂2.5份;
上述抗静电消光膜的三层结构是通过熔融共挤和双向拉伸后形成的。
上述抗静电消光膜的制备方法,包括如下步骤:
S1、分别将抗粘连层、芯层、消光层对应的原料定量投入第一挤出机、第二挤出机、第三挤出机;
S2、抗粘连层、芯层、消光层对应的原料分别在第一挤出机、第二挤出机、第三挤出机内加热成熔融状态,分别经过过滤网过滤后,在三层结构模头中汇合挤出成膜片,然后通过激冷辊和水池快速冷却定型为厚片,第一挤出机、第二挤出机、第三挤出机的加热温度为250℃,模头温度为240℃;
S3、厚片经过预热、纵向拉伸、定型,得到厚膜,预热温度为131.5℃,纵向拉伸温度为125℃,定型温度为133℃;
S4、厚膜再经过预热、横向拉伸、定型、冷却,得到薄膜,预热温度为170℃,横向拉伸温度为155℃,定型温度为167℃;
S5、薄膜经过TDO冷却,牵引辊冷却和电晕处理,然后收卷得到成品。
实施例3
一种抗静电消光膜及其制备方法,抗静电消光膜为三层结构,从上到下依次包括抗粘连层、芯层、消光层;
抗粘连层由如下原料按重量份组成:聚丙烯90份、防黏剂3份;
芯层由如下原料按重量份组成:聚丙烯90份、抗静电剂4份;
消光层由如下原料按重量份组成:消光母料96份、爽滑剂3份;
上述抗静电消光膜的三层结构是通过熔融共挤和双向拉伸后形成的。
上述抗静电消光膜的制备方法,包括如下步骤:
S1、分别将抗粘连层、芯层、消光层对应的原料定量投入第一挤出机、第二挤出机、第三挤出机;
S2、抗粘连层、芯层、消光层对应的原料分别在第一挤出机、第二挤出机、第三挤出机内加热成熔融状态,分别经过过滤网过滤后,在三层结构模头中汇合挤出成膜片,然后通过激冷辊和水池快速冷却定型为厚片,第一挤出机、第二挤出机、第三挤出机的加热温度为250℃,模头温度为240℃;
S3、厚片经过预热、纵向拉伸、定型,得到厚膜,预热温度为138℃,纵向拉伸温度为128℃,定型温度为139℃;
S4、厚膜再经过预热、横向拉伸、定型、冷却,得到薄膜,预热温度为172℃,横向拉伸温度为155℃,定型温度为167℃;
S5、薄膜经过TDO冷却,牵引辊冷却和电晕处理,然后收卷得到成品。
以上所述的本发明实施方式,并不构成对本发明保护范围的限定,任何在本发明的精神和原则之内所作的修改、等同替换和改进等,均应包含在本发明的权利要求保护范围之内。

Claims (8)

1.一种抗静电消光膜,其特征在于,所述抗静电消光膜为三层结构,从上到下依次包括抗粘连层、芯层、消光层;
所述抗粘连层由如下原料按重量份组成:聚丙烯80-90份、防黏剂1-3份;
所述芯层由如下原料按重量份组成:聚丙烯80-90份、抗静电剂2-4份;
所述消光层由如下原料按重量份组成:消光母料90-96份、爽滑剂2-3份;
所述抗静电消光膜的三层结构是通过熔融共挤和双向拉伸后形成的。
2.根据权利要求1所述的抗静电消光膜,其特征在于,所述防黏剂为合成二氧化硅、玻璃微珠、有机硅聚合物或甲基丙烯酸醋的聚合物。
3.根据权利要求1所述的抗静电消光膜,其特征在于,所述抗静电剂为抗静电剂HZ-1或抗静电剂HZ-14或乙二醇月桂酸酰胺或乙氧基化烷基胺。
4.根据权利要求1所述的抗静电消光膜,其特征在于,所述爽滑剂为油酸酰胺、芥酸酰胺、硬脂酸钙、硅酮中的一种。
5.根据权利要求1所述的抗静电消光膜的制备方法,其特征在于,包括如下步骤:
S1、分别将抗粘连层、芯层、消光层对应的原料定量投入第一挤出机、第二挤出机、第三挤出机;
S2、抗粘连层、芯层、消光层对应的原料分别在第一挤出机、第二挤出机、第三挤出机内加热成熔融状态,分别经过过滤网过滤后,在三层结构模头中汇合挤出成膜片,然后通过激冷辊和水池快速冷却定型为厚片;
S3、厚片经过预热、纵向拉伸、定型,得到厚膜;
S4、厚膜再经过预热、横向拉伸、定型、冷却,得到薄膜;
S5、薄膜经过TDO冷却,牵引辊冷却和电晕处理,然后收卷得到成品。
6.根据权利要求5所述的抗静电消光膜的制备方法,其特征在于,所述步骤S2中第一挤出机、第二挤出机、第三挤出机的加热温度为250℃,模头温度为240℃。
7.根据权利要求5所述的抗静电消光膜的制备方法,其特征在于,所述步骤S3中预热温度为125-138℃,纵向拉伸温度为122-128℃,定型温度为127-139℃。
8.根据权利要求5所述的抗静电消光膜的制备方法,其特征在于,所述步骤S4中预热温度为168-172℃,横向拉伸温度为155℃,定型温度为167℃。
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