CN101961938A - 塑料片材及其制作方法 - Google Patents

塑料片材及其制作方法 Download PDF

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CN101961938A
CN101961938A CN2009103045874A CN200910304587A CN101961938A CN 101961938 A CN101961938 A CN 101961938A CN 2009103045874 A CN2009103045874 A CN 2009103045874A CN 200910304587 A CN200910304587 A CN 200910304587A CN 101961938 A CN101961938 A CN 101961938A
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plastic sheet
polystyrene
basic unit
wearing layer
preparation
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彭树海
邓剑斌
刘波
袁清明
余江
孙烨
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Shenzhen Futaihong Precision Industry Co Ltd
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Shenzhen Futaihong Precision Industry Co Ltd
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Priority to CN2009103045874A priority Critical patent/CN101961938A/zh
Priority to US12/749,641 priority patent/US20110020639A1/en
Publication of CN101961938A publication Critical patent/CN101961938A/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered 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
    • B32B27/08—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/30—Fillers, e.g. particles, powders, beads, flakes, spheres, chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2325/00—Polymers of vinyl-aromatic compounds, e.g. polystyrene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer

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Abstract

本发明提供一种塑料片材及其制作方法。该塑料片材包括一基层，该基层包含有聚苯乙烯材料，该塑料片材还包括一形成于基层一表面的耐磨层，该耐磨层由聚丙烯及添加剂材料制成。该塑料片材的制作方法包括如下步骤：提供预定量的聚苯乙烯并将该聚苯乙烯加热至熔融状态；提供一成型容器，将该熔融的聚苯乙烯射出至该成型容器中形成一基层；提供预定量的聚丙烯与添加剂的混合料并将该混合料加热至熔融状态；提供另一成型容器，将该熔融的混合料射出至该另一成型容器中形成一耐磨层；提供一辊压机，将该基层与耐磨层辊压成型为一体。

Description

塑料片材及其制作方法
技术领域
本发明涉及一种塑料片材，尤其涉及一种具有高耐磨性能的塑料片材及该塑料片材的制作方法。
背景技术
目前，对电子产品的塑料包装片材通常要求做到具有优异的保护和防污染功能，特别是优异的耐磨擦性能。这是因为包装后的产品在运输过程中会与塑料片材发生摩擦，若该塑料片材的耐磨性较差，则其表面会很容易发生掉粉而附着于产品的表面，对产品的外观面造成污染。然而现有的常用来对电子产品进行包装的聚苯乙烯片材的耐磨性较差，在产品的运输过程中很容易发生掉粉现象，对被包装的电子产品外观面造成污染。
发明内容
鉴于此，有必要提供一种具有高耐磨性能的塑料片材。
另外，还有必要提供一种上述塑料片材的制作方法。
一种塑料片材，其包括一基层，该基层包含有聚苯乙烯材料，该塑料片材还包括一形成于基层一表面的耐磨层，该耐磨层由聚丙烯及添加剂材料制成。
一种塑料片材的制作方法，其包括如下步骤：
提供预定量的聚苯乙烯并将该聚苯乙烯加热至熔融状态；
提供一成型容器，将该熔融的聚苯乙烯射出至该成型容器中形成一基层；
提供预定量的聚丙烯与添加剂的混合料并将该混合料加热至熔融状态；
提供另一成型容器，将该熔融的混合料射出至该另一成型容器中形成一耐磨层；
提供一辊压机，将该基层与耐磨层辊压成型为一体。
相较于现有技术，所述塑料片材通过在聚苯乙烯基层的表面覆合一具有较强耐磨性能的耐磨层，进而提高了聚苯乙烯塑料片材的耐磨损性能，可有效防止聚苯乙烯塑料片材的掉粉现象，使被包装的产品外观面不受影响。
附图说明
图1是本发明一较佳实方式塑料片材的示意图；
图2是本发明一较佳实施方式塑料片材的制作方法流程图。
具体实施方式
请参阅图1所示，本发明一较佳实施方式的塑料片材10包括一基层11及形成于基层11一表面的耐磨层13。
所述基层11主要由聚苯乙烯材料制成。该基层11中还可含少量的滑石粉。
所述耐磨层13由聚丙烯与添加剂的混合材料制成。该添加剂包括有硬脂酸、硬脂锌及色母。所述色母可为白色或彩色。所述添加剂可增强耐磨层13的耐磨擦性能及柔韧性能。该耐磨层13中聚丙烯、硬脂酸、硬脂锌及色母的质量比可在25～30∶3～8∶0.01～0.2∶0.01～0.5之间。一般情况下，该耐磨层13的厚度小于基层11的厚度。
所述塑料片材10中聚苯乙烯的含量可在55～65％之间。
请参阅图2所示，本发明一较佳实施方式制作所述塑料片材10包括如下步骤：
步骤S1：提供预定量的聚苯乙烯并将该聚苯乙烯加热至熔融状态。所述聚苯乙烯中可添加少量的滑石粉，以改善聚苯乙烯的性能。
步骤S2：提供一成型容器，将该熔融的聚苯乙烯射出至该成型容器中形成一基层11。该成型容器优选为一具有水平底面的矩形容器。该基层11的厚度可在0.8～0.9mm之间。成型后的基层11可自然冷却至室温(约20℃)。
步骤S3：将预定量聚丙烯与添加剂的混合料加热至熔融状态。所述添加剂包括有硬脂酸、硬脂锌及色母。该耐磨层13中聚丙烯、硬脂酸、硬脂锌及色母的质量比可在25～30∶3～8∶0.01～0.2∶0.01～0.5之间。
步骤S4：提供另一成型容器，将该熔融状的聚丙烯与添加剂的混合料射出至该另一成型容器中形成一耐磨层13。该耐磨层13的厚度可在0.05～0.1mm之间。成型后的耐磨层13进行自然冷却至室温(约20℃)。
步骤S5：提供一辊压机，将所述冷却后的基层11与耐磨层13辊压成型为一体，制得所述塑料片材10。
对所述塑料片材10进行了耐磨耗测试。测试方法为：采用美国进口的沙轮CS-10，在测试负重为1000g的条件下对所述耐磨层13的表面测试1000转。测试结果表明，塑料片材10的掉粉量为6～8mg，基本达到聚对苯二甲酸乙二酯(PET)塑料的耐磨耗级别(相同测试条件下掉粉约4mg)，大大低于聚苯乙烯的掉粉量(约50～65mg)。
所述塑料片材10可制成为形式多样的包装片材，如包装袋、缓冲垫、托盘等。
本发明较佳实施方式的塑料片材通过在聚苯乙烯基层的表面覆合一具有较强耐磨性能的耐磨层，进而提高了聚苯乙烯塑料片材的耐磨损性能，可有效防止聚苯乙烯塑料片材的掉粉现象，使被包装的产品外观不受影响。

Claims (9)

1.一种塑料片材，其包括一基层，该基层包含有聚苯乙烯材料，其特征在于：该塑料片材还包括一形成于基层一表面的耐磨层，该耐磨层由聚丙烯及添加剂材料制成。
2.如权利要求1所述的塑料片材，其特征在于：所述添加剂包括有硬脂酸、硬脂锌及色母。
3.如权利要求2所述的塑料片材，其特征在于：所述聚丙烯、硬脂酸、硬脂锌及色母的质量比在25～30∶3～8∶0.01～0.2∶0.01～0.5之间。
4.如权利要求1所述的塑料片材，其特征在于：所述塑料片材中聚苯乙烯的含量在55～65％之间。
5.如权利要求1所述的塑料片材，其特征在于：所述基层中还含有滑石粉。
6.一种塑料片材的制作方法，其包括如下步骤：
提供预定量的聚苯乙烯并将该聚苯乙烯加热至熔融状态；
提供一成型容器，将该熔融的聚苯乙烯射出至该成型容器中形成一基层；
提供预定量的聚丙烯与添加剂的混合料并将该混合料加热至熔融状态；
提供另一成型容器，将该熔融的混合料射出至该另一成型容器中形成一耐磨层；
提供一辊压机，将该基层与耐磨层辊压成型为一体。
7.如权利要求6所述的塑料片材的制作方法，其特征在于：所述添加剂包括有硬脂酸、硬脂锌及色母。
8.如权利要求7所述的塑料片材的制作方法，其特征在于：所述聚丙烯、硬脂酸、硬脂锌及色母的质量比在25～30∶3～8∶0.01～0.2∶0.01～0.5之间。
9.如权利要求6所述的塑料片材的制作方法，其特征在于：所述基层与耐磨层在辊压成型前进行自然冷却。
CN2009103045874A 2009-07-21 2009-07-21 塑料片材及其制作方法 Pending CN101961938A (zh)

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CN2009103045874A CN101961938A (zh) 2009-07-21 2009-07-21 塑料片材及其制作方法
US12/749,641 US20110020639A1 (en) 2009-07-21 2010-03-30 Plastic laminate and method for making the plastic laminate

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Cited By (4)

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CN105658723A (zh) * 2013-07-25 2016-06-08 电化株式会社 热塑性树脂片材及其容器
CN105820459A (zh) * 2016-05-30 2016-08-03 金宝丽科技（苏州）有限公司 一种耐磨塑料片材的制备方法
CN105949617A (zh) * 2016-05-30 2016-09-21 金宝丽科技（苏州）有限公司 一种基于金属网的可弯折复合片材及其制备方法
CN111844587A (zh) * 2020-06-09 2020-10-30 安徽巢湖南方膜业有限责任公司 一种环保型食物包装膜的生产工艺

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Publication number Priority date Publication date Assignee Title
JP7100933B1 (ja) 2022-03-03 2022-07-14 株式会社Tbm 積層シート及び食品包装容器

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US20040115453A1 (en) * 2002-12-17 2004-06-17 Mcallister Larry B. Polymeric film with low blocking and high slip properties

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105658723A (zh) * 2013-07-25 2016-06-08 电化株式会社 热塑性树脂片材及其容器
CN105658723B (zh) * 2013-07-25 2018-01-16 电化株式会社 热塑性树脂片材及其容器
CN105820459A (zh) * 2016-05-30 2016-08-03 金宝丽科技（苏州）有限公司 一种耐磨塑料片材的制备方法
CN105949617A (zh) * 2016-05-30 2016-09-21 金宝丽科技（苏州）有限公司 一种基于金属网的可弯折复合片材及其制备方法
CN111844587A (zh) * 2020-06-09 2020-10-30 安徽巢湖南方膜业有限责任公司 一种环保型食物包装膜的生产工艺

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Application publication date: 20110202