CN112590347A - 用于手机散热的超薄泡棉及其生产工艺 - Google Patents

用于手机散热的超薄泡棉及其生产工艺 Download PDF

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CN112590347A
CN112590347A CN202011417651.2A CN202011417651A CN112590347A CN 112590347 A CN112590347 A CN 112590347A CN 202011417651 A CN202011417651 A CN 202011417651A CN 112590347 A CN112590347 A CN 112590347A
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layer
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张红晓
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Suzhou Linda New Material Technology Co ltd
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Abstract

本发明公开了一种用于手机散热的超薄泡棉及其生产工艺，包括从内到外依次绕设的基材层、抗菌层、防潮层和散热层，所述散热层表面包覆有金属镀层，所述抗菌层由EVA多孔材料层和抗菌剂组成，所述基材层的厚度为0.2～0.24mm，所述防潮层由EVA多孔材料层和防潮剂组成，所述基材层采用PET超薄泡棉层并由以下重量百分比配比而成：废旧泡棉15～24％；聚对苯二甲酸乙二醇酯7～8％；异戊二烯5～6％；液态聚氨酯补足至100％，还包括将基材层、抗菌层、防潮层、散热层和金属镀层依次依次制成后进行粘接，模切加工后得到半成品，排废、包装后得到成品，相比于传统超薄泡棉，本发明的超薄泡棉散热性及回弹性更好，通过模切加工有效提高生产效率、降低工作量和成本。

Description

用于手机散热的超薄泡棉及其生产工艺
技术领域
本发明涉及泡棉制备领域，尤其涉及用于手机散热的超薄泡棉及其生产工艺。
背景技术
微孔泡棉被大量应用于手机、电脑及家电等领域，在其中主要起到的作用包括缓冲减震、防尘等作用，随着手机等电子市场的快速发展，微孔泡棉在手机中的作用越来越重要。
现有技术中的超薄泡棉通过改变厚度进行散热，但是热量容易堆积在泡棉内，导致电子构件无法得到很好的散热，影响电子产品性能的可靠性和使用寿命，且在对超薄泡棉的加工中多采用人工分切的方式，工作效率低下且成本高。
发明内容
为克服上述缺点，本发明的目的在于提供一种散热性及回弹性更好，能够有效提高生产效率、降低工作量和成本的用于手机散热的超薄泡棉及其生产工艺。
为了达到以上目的，本发明采用的技术方案是：一种用于手机散热的超薄泡棉，包括从内到外依次绕设的基材层、抗菌层、防潮层和散热层，所述散热层表面包覆有金属镀层，所述基材层的厚度为0.2～0.24mm，所述抗菌层由EVA多孔材料层和抗菌剂组成，所述防潮层由EVA多孔材料层和防潮剂组成，所述基材层采用PET超薄泡棉层并由以下重量百分比配比而成：
废旧泡棉15～24％；
聚对苯二甲酸乙二醇酯7～8％；
异戊二烯5～6％；
液态聚氨酯补足至100％。
优选地，所述抗菌剂由以下重量百分比配比而成：
去离子水49.9～52.8％；
乳化剂2.9～3.2％；
丙烯酸丁酯4.3～4.4％；
苯氧乙醇3.1～3.5％；
聚乙二醇2～2.1％；
丙烯酸正辛酯4.9～5.1％；
甲基丙烯酸甲酯7～8.2％；
苯乙烯5.9％～6.6％；
四-乙烯基吡啶硝酸盐4.5～5.1％；
N-正十八烷-四-苯乙烯基吡啶溴盐6.8～7.3％；
引发剂2.3～3.5％；
硅烷偶联剂1.8～1.9％；
硝酸银补足至100％。
优选地，所述防潮剂由以下重量百分比配比而成：
稀硫酸2.3～2.9％；
淀粉76.6～86％；
甘油1.6～3.5％；
柠檬酸2.3～4.1％；
乙醇0.8～1.8％；
松香0.5～0.7％；
丙二醇甲醚醋酸酯1.2～1.9％；
环糊精0.6～0.9％；
纳米钯0.05～0.08％；
硅胶乳0.5～1.4％；
硫酸铝1.3～1.4％；
十二烷基苯磺酸盐补足至100％。
优选地，所述散热层的原料由以下重量百分比配比而成：
改性吸热乳胶球8～15％；
无水乙醇5～10％；
有机硅树脂30～40％
环氧树脂补足至100％。
优选地，所述散热层的原料内还加入有重量百分比为5～12％的纳米金属粉。
优选地，所述金属镀层为镍镀层、镍钴合金镀层或镍铁合金镀层。
用于手机散热的超薄泡棉的生产工艺，包括如下步骤：
S1、制得基材层；
S2、制得抗菌剂，将抗菌剂喷涂在EVA多孔材料层上后，放入烘干箱中，对其烘干后进行静止冷却，即可得到抗菌层；
S3、制得防潮剂，将防潮剂喷涂在EVA多孔材料层上后，放入烘干箱中，对其烘干后进行静止冷却，即可得到防潮层；
S4、制得散热层；
S5、制得金属镀层；
S6、将基材层放入恒温箱中并将温度调至55～65℃，通过丙烯酸胶水粘剂将基材层、抗菌层、防潮层、散热层依次粘接并静置，散热层通过硅橡胶硫化胶水与金属镀层粘接并静置，制得一种用于手机散热的超薄泡棉；
S7、通过模切机对超薄泡棉进行模切加工，形成超薄泡棉半成品；
S8、对S7中的超薄泡棉半成品进行人工棑废、包装，以形成超薄泡棉成品。
优选地，在所述S1中加入交联剂，所述交联剂是过氧化二异丙苯或2,5-二甲基-2,5二叔丁基过氧化己烷中的任意一种。
优选地，所述S2、S3中的烘干温度均为40～60℃，烘干时间均为10～30min。
本发明提供的用于手机散热的超薄泡棉及其生产工艺，其有益效果是：
1、基材层厚度为0.2～0.24mm使得本发明中的泡棉更为轻薄，提高散热能力的同时应用范围增大。
2、设置了抗菌层、防潮层和散热层使得泡棉具有优异的抗菌、防潮和散热的效果。
3、采用模切的加工思路，有效的提高生产效率，并且节省人工、降低了工作量和成本。
附图说明
图1为超薄泡棉的结构示意图。
图中：
1-基材层；2-抗菌层；3-防潮层；4-散热层；5-金属镀层。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
参见附图1所示，一种用于手机散热的超薄泡棉，包括从内到外依次绕设的基材层1、抗菌层2、防潮层3和散热层4，散热层4表面包覆有金属镀层5；
基材层1采用PET超薄泡棉层并由以下重量百分比配比而成：
废旧泡棉18％；
聚对苯二甲酸乙二醇酯7.6％；
异戊二烯5.4％；
液态聚氨酯补足至100％。
抗菌层2由EVA多孔材料层和抗菌剂组成，抗菌剂由以下重量百分比配比而成：
去离子水51.6％；
乳化剂3.08％；
丙烯酸丁酯4.36％；
苯氧乙醇3.34％；
聚乙二醇2.08％；
丙烯酸正辛酯5.2％；
甲基丙烯酸甲酯8.12％；
苯乙烯6.4％；
四-乙烯基吡啶硝酸盐4.8％；
N-正十八烷-四-苯乙烯基吡啶溴盐7.1％；
引发剂3.2％；
硅烷偶联剂1.86％；
硝酸银补足至100％。
防潮层3由EVA多孔材料层和防潮剂组成，防潮剂由以下重量百分比配比而成：
稀硫酸2.6％；
淀粉83％；
甘油2.5％；
柠檬酸3.4％；
乙醇1.3％；
松香0.67％；
丙二醇甲醚醋酸酯1.65％；
环糊精0.75％；
纳米钯0.07％；
硅胶乳0.96％；
硫酸铝1.37％；
十二烷基苯磺酸盐补足至100％。
散热层4的原料由以下重量百分比配比而成：
改性吸热乳胶球14％；
无水乙醇7％；
有机硅树脂35％
环氧树脂补足至100％，
散热层4的原料内还加入有重量百分比为8％的纳米金属粉。
金属镀层5为镍镀层、镍钴合金镀层或镍铁合金镀层。
用于手机散热的超薄泡棉的生产工艺，包括如下步骤：
S1、加入交联剂，制得基材层1，交联剂是过氧化二异丙苯或2,5-二甲基-2,5二叔丁基过氧化己烷中的任意一种；
S2、制得抗菌剂，将抗菌剂喷涂在EVA多孔材料层上后，放入烘干箱中，烘干温度为50-55℃，烘干时间为15-20min，对其烘干后进行静止冷却，即可得到抗菌层2；
S3、制得防潮剂，将防潮剂喷涂在EVA多孔材料层上后，放入烘干箱中，烘干温度为55-60℃，烘干时间为20-30min，对其烘干后进行静止冷却，即可得到防潮层3；
S4、制得散热层4；
S5、制得金属镀层5；
S6、将基材层1放入恒温箱中并将温度调至60℃，通过丙烯酸胶水粘剂将基材层1、抗菌层2、防潮层3、散热层4依次粘接并静置，散热层4通过硅橡胶硫化胶水与金属镀层5粘接并静置，制得一种用于手机散热的超薄泡棉；
S7、通过模切机对超薄泡棉进行模切加工，形成超薄泡棉半成品；
S8、对S7中的超薄泡棉半成品进行人工棑废、包装，以形成超薄泡棉成品。
以上实施方式只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人了解本发明的内容并加以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所做的等效变化或修饰，都应涵盖在本发明的保护范围内。

Claims (9)

1.一种用于手机散热的超薄泡棉，其特征在于：包括从内到外依次绕设的基材层(1)、抗菌层(2)、防潮层(3)和散热层(4)，所述基材层(1)的厚度为0.2～0.24mm，所述散热层(4)表面包覆有金属镀层(5)，所述抗菌层(2)由EVA多孔材料层和抗菌剂组成，所述防潮层(3)由EVA多孔材料层和防潮剂组成，所述基材层(1)采用PET超薄泡棉层并由以下重量百分比配比而成：
废旧泡棉15～24％；
聚对苯二甲酸乙二醇酯7～8％；
异戊二烯5～6％；
液态聚氨酯补足至100％。
2.根据权利要求1所述的用于手机散热的超薄泡棉，其特征在于：所述抗菌剂由以下重量百分比配比而成：
去离子水49.9～52.8％；
乳化剂2.9～3.2％；
丙烯酸丁酯4.3～4.4％；
苯氧乙醇3.1～3.5％；
聚乙二醇2～2.1％；
丙烯酸正辛酯4.9～5.1％；
甲基丙烯酸甲酯7～8.2％；
苯乙烯5.9％～6.6％；
四-乙烯基吡啶硝酸盐4.5～5.1％；
N-正十八烷-四-苯乙烯基吡啶溴盐6.8～7.3％；
引发剂2.3～3.5％；
硅烷偶联剂1.8～1.9％；
硝酸银补足至100％。
3.根据权利要求1所述的用于手机散热的超薄泡棉器，其特征在于：所述防潮剂由以下重量百分比配比而成：
稀硫酸2.3～2.9％；
淀粉76.6～86％；
甘油1.6～3.5％；
柠檬酸2.3～4.1％；
乙醇0.8～1.8％；
松香0.5～0.7％；
丙二醇甲醚醋酸酯1.2～1.9％；
环糊精0.6～0.9％；
纳米钯0.05～0.08％；
硅胶乳0.5～1.4％；
硫酸铝1.3～1.4％；
十二烷基苯磺酸盐补足至100％。
4.根据权利要求1所述的用于手机散热的超薄泡棉，其特征在于：所述散热层(4)的原料由以下重量百分比配比而成：
改性吸热乳胶球8～15％；
无水乙醇5～10％；
有机硅树脂30～40％
环氧树脂补足至100％。
5.根据权利要求4所述的用于手机散热的超薄泡棉，其特征在于：所述散热层(4)的原料内还加入有重量百分比为5～12％的纳米金属粉。
6.根据权利要求1所述的用于手机散热的超薄泡棉，其特征在于：所述金属镀层(5)为镍镀层、镍钴合金镀层或镍铁合金镀层。
7.根据权利要求1-6任一所述的用于手机散热的超薄泡棉的生产工艺，其特征在于：包括如下步骤：
S1、制得基材层(1)；
S2、制得抗菌剂，将抗菌剂喷涂在EVA多孔材料层上后，放入烘干箱中，对其烘干后进行静止冷却，即可得到抗菌层(2)；
S3、制得防潮剂，将防潮剂喷涂在EVA多孔材料层上后，放入烘干箱中，对其烘干后进行静止冷却，即可得到防潮层(3)；
S4、制得散热层(4)；
S5、制得金属镀层(5)；
S6、将基材层(1)放入恒温箱中并将温度调至55～65℃，通过丙烯酸胶水粘剂将基材层(1)、抗菌层(2)、防潮层(3)、散热层(4)依次粘接并静置，散热层(4)通过硅橡胶硫化胶水与金属镀层(5)粘接并静置，制得一种用于手机散热的超薄泡棉；
S7、通过模切机对超薄泡棉进行模切加工，形成超薄泡棉半成品；
S8、对S7中的超薄泡棉半成品进行人工棑废、包装，以形成超薄泡棉成品。
8.根据权利要求7所述的用于手机散热的超薄泡棉的生产工艺，其特征在于：在所述S1中加入交联剂，所述交联剂是过氧化二异丙苯或2,5-二甲基-2,5二叔丁基过氧化己烷中的任意一种。
9.根据权利要求7所述的用于手机散热的超薄泡棉的生产工艺，其特征在于：所述S2、S3中的烘干温度均为40～60℃，烘干时间均为10～30min。
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