CN107417166A - 用于降低led结温的材料及其制备方法 - Google Patents
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 3
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Abstract
本发明公开了用于降低LED结温的材料及其制备方法,其特征在于:包括复合两种以上具有高传递和高散走热量特性的无机物组分、复合两种以上的塑料组分和功能助剂组分;其中无机物组分重量份数为40‑80份,塑料组分重量份数为20‑50份,功能助剂重量份数为2‑10份,以及以下步骤:(1)所有材料加热干燥;(2)有机与无机物分别混合后按比例分前后次序计量加入或全混合密炼塑化粘结后加入;无机物和有机物混合,高温1500°进一步融合,融合物加入容器;(3)容器中螺杆挤出,融合物机塑化分散均匀;(4)多孔模头挤出成条;(5)模头拉条冷却切粒;(6)注塑成型,包装出厂。进一步,作为本发明的优选方案,所述无机物组分包括碳酸盐、氢氧化钙和磷酸氢。
Description
技术领域
本发明涉及一种材料及其制备方法,具体涉及用于降低LED结温的材料及其制备方法。
背景技术
LED的基本结构是一个半导体的P—N结。实验指出,当电流流过LED元件时,P—N结的温度将上升,严格意义上说,就把P—N结区的温度定义为LED的结温。通常由于元件芯片均具有很小的尺寸,因此我们也可把LED芯片的温度视之为结温在LED工作时,可存在以下五种情况促使结温不同程度的上升:a、元件不良的电极结构,视窗层衬底或结区的材料以及导电银胶等均存在一定的电阻值,这些电阻相互垒加,构成LED元件的串联电阻。当电流流过P—N结时,同时也会流过这些电阻,从而产生焦耳热,引致芯片温度或结温的升高。b、由于P—N结不可能极端完美,元件的注人效率不会达到100%,c、实践证明,出光效率的限制是导致LED结温升高的主要原因。目前,先进的材料生长与元件制造工艺已能使LED极大多数输入电能转换成光辐射能,然而由于LED芯片材料与周围介质相比,具有大得多的折射系数,致使芯片内部产生的极大部分光子(>90%)无法顺利地溢出介面,而在芯片与介质介面产生全反射,返回芯片内部并通过多次内部反射最终被芯片材料或衬底吸收,并以晶格振动的形式变成热,促使结温升高。d、显然,LED元件的热散失能力是决定结温高低的又一个关键条件。散热能力强时,结温下降,反之,散热能力差时结温将上升。
巨大的热阻差异表明普通型LED元件只能在很小的输入功率条件下,才能正常地工作,所以我们需要一种降低LED结温的材料。
发明内容
本发明所要解决的技术问题是巨大的热阻差异表明普通型LED元件只能在很小的输入功率条件下,才能正常地工作,所以我们需要一种降低LED结温的材料,目的在于提供用于降低LED结温的材料及其制备方法,解决巨大的热阻差异表明普通型LED元件只能在很小的输入功率条件下,才能正常地工作,所以我们需要一种降低LED结温的材料的问题。
本发明通过下述技术方案实现:
用于降低LED结温的材料及其制备方法,包括复合两种以上具有高传递和高散走热量特性的无机物组分、复合两种以上的塑料组分和功能助剂组分;其中无机物组分重量份数为 40-80份,塑料组分重量份数为20-50份,功能助剂重量份数为2-10份,以及以下步骤:(1) 所有材料加热干燥;(2)有机与无机物分别混合后按比例分前后次序计量加入或全混合密炼塑化粘结后加入;无机物和有机物混合,高温1500°进一步融合,融合物加入容器;(3)容器中螺杆挤出,融合物机塑化分散均匀;(4)多孔模头挤出成条;(5)模头拉条冷却切粒;(6)注塑成型,包装出厂。
进一步,作为本发明的优选方案,所述无机物组分包括碳酸盐、氢氧化钙和磷酸氢。
进一步,作为本发明的优选方案,所述塑料组分包括聚氯乙烯和聚四氟乙烯。
本发明与现有技术相比,具有如下的优点和有益效果:
1、本发明用于降低LED结温的材料及其制备方法,除熔融的碱金属外,聚四氟乙烯几乎不受任何化学试剂腐蚀;
2、本发明用于降低LED结温的材料及其制备方法,耐大气老化性:耐辐照性能和较低的渗透性:长期暴露于大气中,表面及性能保持不变;
3、本发明用于降低LED结温的材料及其制备方法,是由四氟乙烯经聚合而成的高分子化合物,具有优良的化学稳定性、耐腐蚀性、密封性、高润滑不粘性、电绝缘性和良好的抗老化耐力。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白,下面结合实施例,对本发明作进一步的详细说明,本发明的示意性实施方式及其说明仅用于解释本发明,并不作为对本发明的限定。
实施例
本发明用于降低LED结温的材料及其制备方法,包括复合两种以上具有高传递和高散走热量特性的无机物组分、复合两种以上的塑料组分和功能助剂组分;其中无机物组分重量份数为40-80份,塑料组分重量份数为20-50份,功能助剂重量份数为2-10份,以及以下步骤:(1)所有材料加热干燥;(2)有机与无机物分别混合后按比例分前后次序计量加入或全混合密炼塑化粘结后加入;无机物和有机物混合,高温1500°进一步融合,融合物加入容器; (3)容器中螺杆挤出,融合物机塑化分散均匀;(4)多孔模头挤出成条;(5)模头拉条冷却切粒; (6)注塑成型,包装出厂。
如下表所示:
根据上表可得,实施例3中所制得的材料性能最佳。
以上所述的具体实施方式,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施方式而已,并不用于限定本发明的保护范围,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (3)
1.用于降低LED结温的材料及其制备方法,其特征在于:包括复合两种以上具有高传递和高散走热量特性的无机物组分、复合两种以上的塑料组分和功能助剂组分;其中无机物组分重量份数为40-80份,塑料组分重量份数为20-50份,功能助剂重量份数为2-10份,以及以下步骤:
(1)所有材料加热干燥;
(2)有机与无机物分别混合后按比例分前后次序计量加入或全混合密炼塑化粘结后加入;无机物和有机物混合,高温1500°进一步融合,融合物加入容器;
(3)容器中螺杆挤出,融合物机塑化分散均匀;
(4)多孔模头挤出成条;
(5)模头拉条冷却切粒;
(6)注塑成型,包装出厂。
2.根据权利要求1所述的用于降低LED结温的材料及其制备方法,其特征在于:所述无机物组分包括碳酸盐、氢氧化钙和磷酸氢。
3.根据权利要求1所述的用于降低LED结温的材料及其制备方法,其特征在于:所述塑料组分包括聚氯乙烯和聚四氟乙烯。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100270577A1 (en) * | 2007-07-23 | 2010-10-28 | Dsm Ip Assets B.V. | Plastic component for a lighting systems |
CN102604219A (zh) * | 2012-03-12 | 2012-07-25 | 东莞市兆科电子材料科技有限公司 | 高导热无机物热塑化组合物的制备方法及由该方法制造的散热部件 |
CN102617927A (zh) * | 2012-02-17 | 2012-08-01 | 许永信 | 一种用于降低led结温的新型材料及其制备方法 |
CN106675029A (zh) * | 2015-11-06 | 2017-05-17 | 余姚市爱佟塑料制品厂 | 一种用于降低led结温的新型材料及其制备方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20100270577A1 (en) * | 2007-07-23 | 2010-10-28 | Dsm Ip Assets B.V. | Plastic component for a lighting systems |
CN102617927A (zh) * | 2012-02-17 | 2012-08-01 | 许永信 | 一种用于降低led结温的新型材料及其制备方法 |
CN102604219A (zh) * | 2012-03-12 | 2012-07-25 | 东莞市兆科电子材料科技有限公司 | 高导热无机物热塑化组合物的制备方法及由该方法制造的散热部件 |
CN106675029A (zh) * | 2015-11-06 | 2017-05-17 | 余姚市爱佟塑料制品厂 | 一种用于降低led结温的新型材料及其制备方法 |
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