CN101875243A - 具有三维表面的纤维制品及其成型方法 - Google Patents

具有三维表面的纤维制品及其成型方法 Download PDF

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CN101875243A
CN101875243A CN200910301916XA CN200910301916A CN101875243A CN 101875243 A CN101875243 A CN 101875243A CN 200910301916X A CN200910301916X A CN 200910301916XA CN 200910301916 A CN200910301916 A CN 200910301916A CN 101875243 A CN101875243 A CN 101875243A
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fibre
fiberboard
adhered film
dimensional surface
base layer
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张浚元
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Kangzhun Electronic Technology Kunshan Co Ltd
Hon Hai Precision Industry Co Ltd
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Kangzhun Electronic Technology Kunshan Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN200910301916XA priority Critical patent/CN101875243A/zh
Priority to US12/503,969 priority patent/US20100272970A1/en
Publication of CN101875243A publication Critical patent/CN101875243A/zh
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    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
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Abstract

一种具有三维表面的纤维制品，其包括一由若干层纤维交错排列堆叠形成的纤维板，所述纤维板的表面贴附一贴附薄膜。该纤维制品的成型方法包括以下步骤：提供一贴附薄膜；在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型；将若干层纤维交错排列堆叠；将交错排列堆叠的纤维板及成型后的贴附薄膜置于热压模具内，并使贴附薄膜贴附于纤维板的表面；进行热压成型；冷却开模。上述具有三维表面的纤维制品及其成型方法，将贴附薄膜成型后贴合于所述纤维板的表面，可以形成任意花纹及色彩的外观的纤维制品。

Description

具有三维表面的纤维制品及其成型方法
技术领域
本发明涉及一种具有三维表面的纤维制品及其成型方法。
背景技术
碳纤维材料是一种强度比钢大、密度比铝小、比不锈钢还耐腐蚀、比耐热钢还耐高温、又能像铜那样导电，具有许多宝贵的电学、热学和力学性能的新型材料。碳纤维材料越来越多的运用于航空航天、汽车、计算机等领域中。
在电子产品市场，碳纤维材料的外壳因其既拥有铝镁合金高雅豪华的质感、超强的散热效果以及良好的电磁屏蔽作用(ABS外壳则需要另外镀一层金属膜来作屏蔽)，又拥有ABS工程塑料的高可塑性，而为消费者所追捧。
不过在现阶段，碳纤维材料的电子产品外壳如果具有三维表面，则其成型以及着色都比较难，因此碳纤维机壳的外观上一般不够时尚靓丽。
发明内容
有鉴于此，有必要提供一种具有靓丽外观的具有三维表面的纤维制品及其成型方法。
一种具有三维表面的纤维制品，其包括一由若干层纤维交错排列堆叠形成的纤维板，其特征在于：所述纤维板的表面贴附一贴附薄膜。
一种具有三维表面的纤维制品的成型方法，包括以下步骤：
提供一贴附薄膜；
在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型；
将若干层纤维交错排列堆叠；
将交错排列堆叠的纤维板及成型后的贴附薄膜置于热压模具内，并使贴附薄膜贴附于纤维板的表面；
进行热压成型；
冷却开模。
一种具有三维表面的纤维制品的成型方法，包括以下步骤：
将若干层纤维交错排列堆叠；
将交错排列堆叠的纤维层置于热压模具内进行热压成型形成一纤维板；
提供一贴附薄膜；
在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型；
将上述贴附薄膜贴附于纤维板的表面，利用一加热设备将贴附薄膜黏着于纤维板上；
冷却。
上述具有三维表面的纤维制品及其成型方法，将贴附薄膜成型后贴合于所述纤维板的表面，可以形成任意花纹及色彩的外观的纤维制品。
附图说明
图1为本发明具有三维表面的纤维制品的成型方法的第一较佳实施方式的流程图。
图2为本发明具有三维表面的纤维制品的成型方法的第二较佳实施方式的流程图。
图3为本发明具有三维表面的纤维制品的示意图。
具体实施方式
如图1所示，本发明提供一种在具有三维表面的纤维制品的表面形成花纹、图案及色彩的成型方法。
本发明具有三维表面的纤维制品的成型方法的第一较佳实施方式包括以下步骤：
步骤102：提供一贴附薄膜。
步骤104：在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型并对边缘进行裁切，成型后的贴附薄膜具有纤维制品的三维表面相应的形状。
步骤106：将若干层纤维交错排列堆叠，堆叠的纤维层的数量可以根据纤维制品的厚度需要进行选择。
步骤108：将交错排列堆叠的纤维层及成型后的贴附薄膜置于热压模具内，并使贴附薄膜贴附于所述交错排列堆叠的纤维层的表面。
步骤110：进行热压成型。
步骤112：冷却开模，所述交错排列堆叠的纤维层被层压成纤维板，贴附薄膜附着于纤维板的表面，从而得到具有所需要外观的纤维制品。
如图2所示，作为本发明具有三维表面的纤维制品的成型方法的第二较佳实施方式，其包括以下步骤：
步骤202：将若干层纤维交错排列堆叠，堆叠的纤维层的数量可以根据纤维制品的厚度需要进行选择。
步骤204：将交错排列堆叠的纤维层置于热压模具内进行热压成型，使其形成具有所需要形状的纤维板。
步骤206：提供一贴附薄膜。
步骤208：在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型并对边缘进行裁切，成型后的贴附薄膜具有与纤维制品的三维表面相应的形状。
步骤210：将上述贴附薄膜贴附于纤维板的表面，利用一加热设备，如热风机等，将贴附薄膜黏着于纤维板上。
步骤210：冷却之后，贴附薄膜附着于纤维板的表面，从而得到具有所需要外观的纤维制品。
上述具有三维表面的纤维制品的成型方法用于成型具有三维造型的电脑外壳、手机外壳或者其它各种电子设备面板，不仅能有效利用纤维的良好性能，而且可以在纤维板表面形成多样的花纹、图案及色彩。
本发明的成型方法可以用于碳纤维、玻璃纤维或者其他类似材质的成型。
以下将结合图3说明本发明成型后的具有三维表面的纤维制品。本发明纤维制品包括贴附薄膜100及纤维板200。贴附薄膜100包括一基体层102、一装饰层104及一黏着层106。
贴附薄膜100贴附于纤维板的表面，基体层102对其内的装饰层104起保护作用，使装饰层104及纤维板200免于磨损及刮花。基体层102一般由聚碳酸酯(PC)、聚对苯二甲酸乙二醇酯(PET)、聚甲基丙烯酸甲酯(PMMA)、定向聚丙烯(OPP)、聚氯乙烯(PVC)等一种或两种以上的高分子材料制成的单层膜，或者由选自于前述材料中两种或两种以上制成的积层膜或共聚合物膜。该基体层102之厚度最好在0.005毫米至0.5毫米之间。
在装饰层104上，形成有图案及色彩。装饰层104是用油墨涂覆于基体层102上所形成。此外，亦可利用真空蒸镀法、电镀法等提供一由铝、铬、铜、镍、铟、锡中一种或一种以上制成之金属膜层作为该装饰层104，这种装饰层104可使纤维制品表面呈现金属色泽。
该黏着层106具有可使该贴附薄膜100与纤维板200结合的效果，其材料最好为丙烯酸树酯、硝化纤维素树酯、聚胺基甲酸酯树脂、氯化橡胶树酯、氯乙烯-醋酸乙烯共聚合物树酯、聚酰胺树酯、聚酯树酯、环氧树脂、聚碳酸树酯、烯烃树酯、丙烯腈-丁烯-苯乙烯树酯等。该黏着层106的厚度最好在0.0005至0.05毫米之间，以便在黏着性及印刷后干燥方面取得较好的综合效果。形成该黏着层106的方法可使用例如照相凹版印刷、网版印刷及胶版印刷等任一种一般性印刷方法，或者例如喷涂、浸涂与逆涂布等各种方法。
该黏着层106也可由具有热固性的材料制成，在加热后即可黏着于纤维制品的表面。
该贴附薄膜100的基体层102可以是透明或者半透明的，用于显现装饰层104的图案及色泽。
该贴附薄膜100也可以不包括装饰层104，进而利用透明的基体层102以显现纤维板200的本色。显而易见的是，该基体层102也可以由具有色彩的材料制成，其贴附于纤维板200表面后使纤维制品显现出该基体层102的色彩。

Claims (8)

1.一种具有三维表面的纤维制品的成型方法，包括以下步骤：
提供一贴附薄膜；
在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型；
将若干层纤维交错排列堆叠；
将交错排列堆叠的纤维层及成型后的贴附薄膜置于热压模具内，并使贴附薄膜贴附于所述交错排列堆叠的纤维层的表面；
进行热压成型；
冷却开模。
2.如权利要求1所述的具有三维表面的纤维制品的成型方法，其特征在于：所述贴附薄膜包括一基体层、一装饰层及一黏着层，所述黏着层在成型后黏着于纤维板的表面，装饰层上形成有所需要的图案及色彩，所述基体层对其内的装饰层起保护作用。
3.如权利要求2所述的具有三维表面的纤维制品的成型方法，其特征在于：所述贴附薄膜的基体层为透明或半透明。
4.如权利要求1所述的具有三维表面的纤维制品的成型方法，其特征在于：所述贴附薄膜包括一透明或半透明的基体层，所述基体层在成型后直接与纤维板贴合。
5.一种具有三维表面的纤维制品的成型方法，包括以下步骤：
将若干层纤维交错排列堆叠；
将交错排列堆叠的纤维层置于热压模具内进行热压成型形成一纤维板；
提供一贴附薄膜；
在成型模具中按照所需要的纤维制品的三维表面的形状对该贴附薄膜进行成型；
将上述贴附薄膜贴附于纤维板的表面，利用一加热设备将贴附薄膜黏着于纤维板上；
冷却。
6.一种具有三维表面的纤维制品，其包括一由若干层纤维交错排列堆叠形成的纤维板，其特征在于：所述纤维板的表面贴附一贴附薄膜。
7.如权利要求6所述的具有三维表面的纤维制品，其特征在于：所述贴附薄膜包括一基体层、一装饰层及一黏着层，所述黏着层在成型后黏着于纤维板的表面，装饰层上形成有所需要的图案及色彩，所述基体层对其内的装饰层起保护作用。
8.如权利要求6所述的具有三维表面的纤维制品，其特征在于：所述贴附薄膜包括一透明或半透明的基体层，所述基体层在成型后直接与纤维板贴合。
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