CN102371679A - 金属与树脂的复合体的制备方法 - Google Patents

金属与树脂的复合体的制备方法 Download PDF

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CN102371679A
CN102371679A CN2010102573067A CN201010257306A CN102371679A CN 102371679 A CN102371679 A CN 102371679A CN 2010102573067 A CN2010102573067 A CN 2010102573067A CN 201010257306 A CN201010257306 A CN 201010257306A CN 102371679 A CN102371679 A CN 102371679A
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resin
metal
metalwork
preparation
complex
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张新倍
陈文荣
蒋焕梧
陈正士
徐华阳
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN2010102573067A priority Critical patent/CN102371679A/zh
Priority to US12/978,615 priority patent/US20120043689A1/en
Publication of CN102371679A publication Critical patent/CN102371679A/zh
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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
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14311Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
    • 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
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C2045/1486Details, accessories and auxiliary operations
    • B29C2045/14868Pretreatment of the insert, e.g. etching, cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts

Abstract

本发明提供一种金属与树脂的复合体的制备方法,其主要包括如下步骤:提供一金属件;对该金属部件进行脱脂除油清洗;对该经金属件进行局部遮蔽处理;使用硬质颗粒喷射该金属件,以在金属件暴露的表面形成微孔;将该金属件嵌入到一成型模具中,并加热金属件至100-350℃;于所述模具中注射熔融的结晶型热塑性树脂并冷却,树脂侵入金属件表面的微孔中与金属件结合。

Description

金属与树脂的复合体的制备方法
技术领域
本发明涉及一种金属与树脂的复合体的制备方法。
背景技术
在实际应用中,常常需要将金属和树脂进行连接形成复合体。现有的金属和树脂连接方法之一是采用粘接剂进行粘合,但通过粘接剂粘合无法制得高强度的金属和树脂复合体。
另一种连接方法是先通过化学蚀刻方法在金属件表面成孔,然后将金属件放入模具内,注射树脂与金属件结合为一体。该方法虽然可以制得较高强度的金属和树脂复合体,但需要针对不同的金属配制不同的化学蚀刻液,由于所用化学药剂都为强酸强碱,废弃的蚀刻液难以处理,不利于环保。
发明内容
有鉴于此,有必要提供一种环保的、连接强度高的金属与树脂的复合体的制备方法。
一种金属与树脂的复合体的制备方法,其包括如下步骤:
提供一金属件;
对该金属部件进行脱脂除油清洗;
对该经金属件进行局部遮蔽处理;
使用硬质颗粒喷射该金属件,以在金属件暴露的表面形成微孔;
将该金属件嵌入到一成型模具中,并加热金属件至100-350℃;
于所述模具中注射熔融的结晶型热塑性树脂并冷却,树脂侵入金属件表面的微孔中与金属件结合。
相较于现有技术,上述金属与树脂的复合体的制作方法藉由硬质颗粒喷射金属件,使金属件的表面形成微孔,注射树脂后熔融的树脂侵入到所述微孔中而与金属件相结合,从而增强了树脂与金属件的结合力。而且,由于该方法不涉及到使用化学药剂在金属件形成微孔,因而较为环保。
附图说明
图1为本发明较佳实施例金属与树脂的复合体的制备方法流程图。
具体实施方式
请参阅图1,本发明较佳实施例的金属与树脂的复合体的制备方法主要包括如下步骤:
步骤S1:提供经成型的金属件。该金属件可以通过机械加工、铸造的方式形成。金属件的材质可为铝合金、镁合金、不锈钢、铜或铜合金。
步骤S2:对金属件进行脱脂除油清洗。该脱脂除油清洗主要包括将所述金属件浸渍于含脱脂剂的水溶液中。所述脱脂剂可为市面上出售的金属常用的脱脂剂。该脱脂剂的浓度可为90-150g/L。浸渍时,保持所述脱脂剂的水溶液的温度在20-30℃之间。该浸渍的时间为1-6分钟。脱脂处理后对所述金属件进行水洗。
步骤S3:将经脱脂除油清洗的金属件进行局部遮蔽处理,以遮蔽金属件不需要与树脂结合的表面。该步骤中可以用掩模、粘胶带以及光刻胶等进行遮蔽。
步骤84:使用硬质颗粒喷射金属件,以在金属件的暴露表面形成微孔。所述微孔的平均直径小于0.3微米,具体地,平均直径为0.05-0.25μm,平均深度为0.06-0.12μm。所用硬质颗粒的平均直径为1.3-2.6μm,喷射压力为6-10巴(bar)。硬质颗粒可以采用天然金刚石、合成金刚石、氧化硅、碳化硅中的一种。
步骤S5:将该局部表面形成有微孔的金属件嵌入到一成型模具中,并加热金属件至100-350℃。该加热的方式可为电磁感应加热。
步骤S6:于所述加热的模具中注射熔融的结晶型热塑性树脂,树脂侵入金属件表面的微孔,冷却后,该树脂与金属件结合于一体,即获得该金属与树脂的复合体。所述结晶型热塑性树脂可为聚苯硫醚(PPS)与玻璃纤维的混合物、聚酰胺(PA)、聚对苯二甲酸乙二醇酯(PET)或聚对苯二甲酸丁二醇酯(PBT)。若为聚苯硫醚与玻璃纤维的混合物时,其中玻璃纤维的质量百分含量可为20-50%。
对经上述方法制得的金属与树脂的复合体进行了抗拉强度及剪切强度测试。测试结果表明,该复合体的抗拉强度可达10MPa,剪切强度可达25MPa。且对经上述测试后的复合体在进行冷热冲击试验(48小时,-40~85℃,4小时/cycle,12cycles)后发现,该复合体的抗拉强度及剪切强度均无明显减小。
上述金属与树脂的复合体的制作方法藉由硬质颗粒喷射金属件,使金属件的表面形成微孔,注射树脂后熔融的树脂侵入到所述微孔中而与金属件相结合,从而增强了树脂与金属件的结合力。而且,由于该方法不涉及到使用化学药剂在金属件形成微孔,因而较为环保。

Claims (10)

1.一种金属与树脂的复合体的制备方法,其包括如下步骤:
提供一金属件;
对该金属部件进行脱脂除油清洗;
对该经金属件进行局部遮蔽处理;
使用硬质颗粒喷射该金属件,以在金属件暴露的表面形成微孔;
将该金属件嵌入到一成型模具中,并加热金属件至100-350℃;
于所述模具中注射熔融的结晶型热塑性树脂并冷却,树脂侵入金属件表面的微孔中与金属件结合。
2.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:所述微孔的平均直径小于0.3微米。
3.如权利要求2所述的金属与树脂的复合体的制备方法,其特征在于:所述微孔的平均直径为0.05-0.25μm,平均深度为0.06-0.12μm。
4.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:所用硬质颗粒的平均直径为1.3-2.6μm,喷射压力为6-10巴。
5.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:硬质颗粒选用天然金刚石、合成金刚石、氧化硅、碳化硅中的一种。
6.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:所述脱脂除油处理包括将所述金属件浸渍于温度在20-30℃之间,含浓度为90-150g/L的脱脂剂的水溶液中1-6分钟的步骤。
7.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:所述遮蔽步骤是指用掩模、粘胶带或者光刻胶中的一种对该金属件进行遮蔽。
8.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:所述金属件的材质为铝合金、镁合金、不锈钢、铜及铜合金中的一种。
9.如权利要求1所述的金属与树脂的复合体的制备方法,其特征在于:所述结晶型热塑性树脂为聚苯硫醚与玻璃纤维的混合物、聚酰胺、聚对苯二甲酸乙二醇酯及聚对苯二甲酸丁二醇酯中的一种。
10.如权利要求9所述的金属与树脂的复合体的制备方法,其特征在于:所述聚苯硫醚与玻璃纤维的混合物中玻璃纤维的质量百分含量为20-50%。
CN2010102573067A 2010-08-19 2010-08-19 金属与树脂的复合体的制备方法 Pending CN102371679A (zh)

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US9809895B2 (en) 2012-02-24 2017-11-07 Shenzhen Byd Auto R&D Company Limited Method of preparing aluminum alloy resin composite and aluminum alloy-resin composite obtainable by the same
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US9889588B2 (en) 2012-02-24 2018-02-13 Shenzhen Byd Auto R&D Company Limited Method for integrally molding metal and resin and metal-resin composite structure obtainable by the same
US9862131B2 (en) 2012-02-24 2018-01-09 Byd Company Limited Method for integrally molding metal and resin and metal-resin composite structure obtainable by the same
US9808974B2 (en) 2012-02-24 2017-11-07 Shenzhen Byd Auto R&D Company Limited Method of preparing aluminum alloy resin composite and aluminum alloy-resin composite obtainable by the same
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TWI623413B (zh) * 2012-10-17 2018-05-11 Nippon Light Metal Co Method for manufacturing composite hollow container and composite hollow container
CN103895160A (zh) * 2012-12-28 2014-07-02 比亚迪股份有限公司 一种不锈钢树脂复合体的制备方法及其制备的不锈钢树脂复合体
TWI596004B (zh) * 2012-12-28 2017-08-21 比亞迪股份有限公司 不鏽鋼樹脂組合物的製備方法
CN103895160B (zh) * 2012-12-28 2016-06-22 比亚迪股份有限公司 一种不锈钢树脂复合体的制备方法
WO2014101778A1 (en) * 2012-12-28 2014-07-03 Shenzhen Byd Auto R & D Company Limited Stainless steel-resin composite and method of preparing the same
TWI607873B (zh) * 2013-10-18 2017-12-11 鴻海精密工業股份有限公司 樹脂與異質材料的複合體的製造方法
CN105252701A (zh) * 2015-09-08 2016-01-20 深圳市华森科技股份有限公司 不同材料混合成型方法

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