CN111763342A - 一种阻燃型吸波材料的制备方法 - Google Patents

一种阻燃型吸波材料的制备方法 Download PDF

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CN111763342A
CN111763342A CN202010702689.8A CN202010702689A CN111763342A CN 111763342 A CN111763342 A CN 111763342A CN 202010702689 A CN202010702689 A CN 202010702689A CN 111763342 A CN111763342 A CN 111763342A
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李坚强
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Heai Emc Technology Anhui Co ltd
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Abstract

本发明公开了一种阻燃型吸波材料的制备方法，由表面分别涂覆有吸波阻燃涂料的空心玻璃微珠和闭孔聚苯乙烯泡沫小球经模塑成型；所述闭孔聚苯乙烯泡沫小球包裹在空心玻璃微珠外部，具体包括以下步骤：分别制备具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球；制备具有空心玻璃微珠和闭孔聚苯乙烯泡沫小球混合材料的吸波芯；在吸波芯外部包裹一体成型的闭孔聚苯乙烯泡沫材料，获得阻燃型吸波材料；本发明的一种阻燃型吸波材料的制备方法，具有良好的阻燃能力，且能够对电磁波进行多次反射、散射和吸收，吸波能力好，适用性广。

Description

一种阻燃型吸波材料的制备方法
技术领域
本发明属于具有特殊功能材料领域，更具体的说涉及一种阻燃型吸波材料的制备方法。
背景技术
吸波材料，是指能够将投射到它表面的电磁波大部分吸收并转化成其他形式的能量而几乎无反射的材料。随着现代科学技术的发展，电磁波辐射对环境的影响日益增大。在机场，飞机航班因电磁波干扰无法起飞而误点；在医院，移动电话常会干扰各种电子诊疗仪器的正常工作。另外电磁辐射通过热效应、非热效应、累积效应对人体造成直接和间接的伤害。因此，治理电磁污染，寻找一种适用范围广、具有阻燃能力且吸波能力好的吸波材料是本领域的一大课题。
发明内容
本发明的目的在于提供一种阻燃型吸波材料的制备方法，具有良好的阻燃能力，且能够对电磁波进行多次反射、散射和吸收，吸波能力好，适用性广。
本发明技术方案一种阻燃型吸波材料的制备方法，由表面分别涂覆有吸波阻燃涂料的空心玻璃微珠和闭孔聚苯乙烯泡沫小球经模塑成型；所述闭孔聚苯乙烯泡沫小球包裹在空心玻璃微珠外部，具体包括以下步骤：
(1)分别制备具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球；
(2)制备具有空心玻璃微珠和闭孔聚苯乙烯泡沫小球混合材料的吸波芯；
(3)在吸波芯外部包裹一体成型的闭孔聚苯乙烯泡沫材料，获得阻燃型吸波材料。
优选地，吸波剂吸波阻燃涂料中含有成膜剂、导电剂以及阻燃剂；
所述吸波阻燃涂料由以下组分按重量百分比组成：成膜剂苯丙乳液21－25％，导电剂炭黑9－12％，阻燃剂多聚磷酸铵35－8％，阻燃剂季戊四醇3－4％，阻燃剂氢氧化铝7－10％，分散剂聚乙二醇0.4－0.5％，消泡剂聚二甲基硅氧烷0.4－0.5％，增稠剂羟乙基纤维素0.4－0.5％，引发剂过硫酸铵0.4－0.5％，腐蚀抑制剂2－羟基乙胺0.4－0.5％，余量为去离子水。
优选地，所述聚苯乙烯泡沫小球由可发性聚苯乙烯原料经预发泡制得，所述聚苯乙烯泡沫小球的粒径为1－2mm。
优选地，所述空心玻璃微珠为密度为0.83g/cm3，直径为50－60um，壁厚为1.5－2.5um。
优选地，所述步骤(1)中，首先利用吸波阻燃涂料的各个组分原料制备吸波阻燃涂料溶液，粉笔将空心玻璃微珠和闭孔聚苯乙烯泡沫小球置于吸波阻燃涂料溶液中，通过充分搅拌，然后经过烘干，分别获得具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球；
步骤(2)中，步骤(1)中获得的具有吸波能力的闭孔聚苯乙烯泡沫小球分为三份，第一份与具有吸波能力的空心玻璃微珠进行充分混合，然后通过发泡成型制备吸波芯；
步骤(3)中，将第二份通过发泡成型制备聚乙烯支撑柱；最后将聚乙烯支撑柱和吸波芯同时置于成型模具中，且确保利用聚乙烯支撑柱支撑起吸波芯，使得吸波芯位于模具中心位置，并将第三份具有吸波能力的闭孔聚苯乙烯泡沫小球填充入模具中，并发泡成型，制得阻燃型吸波材料。
本发明技术方案的一种阻燃型吸波材料的制备方法的有益效果是：
1、利用空心玻璃微珠置于吸波材料内部，空心玻璃微珠对电磁波进行多次的反射、散射，使得电磁波在吸波材料内部被多次吸收，吸波材料的吸波能力。
2、吸波阻燃涂料的使用，使得吸波材料具有良好的阻燃能力，且具有防潮、防腐能力，适用范围广。
具体实施方式
下面结合具体实施方式对本发明作进一步详细的说明。本发明的实施例是为了示例和描述起见而给出的，而并不是无遗漏的或者将本发明限于所公开的形式。很多修改和变化对于本领域的普通技术人员而言是显而易见的。选择和描述实施例是为了更好说明本发明的原理和实际应用，并且使本领域的普通技术人员能够理解本发明从而设计适于特定用途的带有各种修改的各种实施例。
本发明技术方案一种阻燃型吸波材料的制备方法，由表面分别涂覆有吸波阻燃涂料的空心玻璃微珠和闭孔聚苯乙烯泡沫小球经模塑成型；闭孔聚苯乙烯泡沫小球包裹在空心玻璃微珠外部，具体包括以下步骤：
(1)分别制备具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球；
(2)制备具有空心玻璃微珠和闭孔聚苯乙烯泡沫小球混合材料的吸波芯；
(3)在吸波芯外部包裹一体成型的闭孔聚苯乙烯泡沫材料，获得阻燃型吸波材料。
本技术中，吸波剂吸波阻燃涂料中含有成膜剂、导电剂以及阻燃剂；
吸波阻燃涂料由以下组分按重量百分比组成：成膜剂苯丙乳液21－25％，导电剂炭黑9－12％，阻燃剂多聚磷酸铵35－8％，阻燃剂季戊四醇3－4％，阻燃剂氢氧化铝7－10％，分散剂聚乙二醇0.4－0.5％，消泡剂聚二甲基硅氧烷0.4－0.5％，增稠剂羟乙基纤维素0.4－0.5％，引发剂过硫酸铵0.4－0.5％，腐蚀抑制剂2－羟基乙胺0.4－0.5％，余量为去离子水。
本技术中，聚苯乙烯泡沫小球由可发性聚苯乙烯原料经预发泡制得，聚苯乙烯泡沫小球的粒径为1－2mm。空心玻璃微珠为密度为0.83g/cm3，直径为50－60um，壁厚为1.5－2.5um。
本发明的阻燃型吸波材料的制备方法的具体操作步骤如下：
第一步，首先利用各个组分原料制备吸波阻燃涂料溶液，粉笔将空心玻璃微珠和闭孔聚苯乙烯泡沫小球置于吸波阻燃涂料溶液中，通过充分搅拌，然后经过烘干，分别获得具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球。
第二步，将第一步中获得的具有吸波能力的闭孔聚苯乙烯泡沫小球分为三份，第一份与具有吸波能力的空心玻璃微珠进行充分混合，然后通过发泡成型制备吸波芯。
第三步，将第一步中的第二份通过发泡成型制备聚乙烯支撑柱。最后将聚乙烯支撑柱和吸波芯同时置于成型模具中，且确保利用聚乙烯支撑柱支撑起吸波芯，使得吸波芯位于模具中心位置，并将第三份具有吸波能力的闭孔聚苯乙烯泡沫小球填充入模具中，并发泡成型，制得阻燃型吸波材料。
通过上述方法和步骤制得的阻燃型吸波材料，具有良好的阻燃能力，且因空心玻璃微珠的使用，其玻璃球面能够对电磁波进行多次反射、散射和吸收，吸波能力好，适用性广。
显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域及相关领域的普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。本发明中未具体描述和解释说明的结构、装置以及操作方法，如无特别说明和限定，均按照本领域的常规手段进行实施。

Claims (5)

1.一种阻燃型吸波材料的制备方法，其特征在于，由表面分别涂覆有吸波阻燃涂料的空心玻璃微珠和闭孔聚苯乙烯泡沫小球经模塑成型；所述闭孔聚苯乙烯泡沫小球包裹在空心玻璃微珠外部，具体包括以下步骤：
(1)分别制备具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球；
(2)制备具有空心玻璃微珠和闭孔聚苯乙烯泡沫小球混合材料的吸波芯；
(3)在吸波芯外部包裹一体成型的闭孔聚苯乙烯泡沫材料，获得阻燃型吸波材料。
2.根据权利要求1所述的阻燃型吸波材料的制备方法，其特征在于，吸波剂吸波阻燃涂料中含有成膜剂、导电剂以及阻燃剂；
所述吸波阻燃涂料由以下组分按重量百分比组成：成膜剂苯丙乳液21－25％，导电剂炭黑9－12％，阻燃剂多聚磷酸铵35－8％，阻燃剂季戊四醇3－4％，阻燃剂氢氧化铝7－10％，分散剂聚乙二醇0.4－0.5％，消泡剂聚二甲基硅氧烷0.4－0.5％，增稠剂羟乙基纤维素0.4－0.5％，引发剂过硫酸铵0.4－0.5％，腐蚀抑制剂2－羟基乙胺0.4－0.5％，余量为去离子水。
3.根据权利要求1所述的阻燃型吸波材料的制备方法，其特征在于，所述聚苯乙烯泡沫小球由可发性聚苯乙烯原料经预发泡制得，所述聚苯乙烯泡沫小球的粒径为1－2mm。
4.根据权利要求1所述的阻燃型吸波材料的制备方法，其特征在于，所述空心玻璃微珠为密度为0.83g/cm3，直径为50－60um，壁厚为1.5－2.5um。
5.根据权利要求1所述的阻燃型吸波材料的制备方法，其特征在于，所述步骤(1)中，首先利用吸波阻燃涂料的各个组分原料制备吸波阻燃涂料溶液，粉笔将空心玻璃微珠和闭孔聚苯乙烯泡沫小球置于吸波阻燃涂料溶液中，通过充分搅拌，然后经过烘干，分别获得具有吸波能力的空心玻璃微珠和闭孔聚苯乙烯泡沫小球；
步骤(2)中，步骤(1)中获得的具有吸波能力的闭孔聚苯乙烯泡沫小球分为三份，第一份与具有吸波能力的空心玻璃微珠进行充分混合，然后通过发泡成型制备吸波芯；
步骤(3)中，将第二份通过发泡成型制备聚乙烯支撑柱；最后将聚乙烯支撑柱和吸波芯同时置于成型模具中，且确保利用聚乙烯支撑柱支撑起吸波芯，使得吸波芯位于模具中心位置，并将第三份具有吸波能力的闭孔聚苯乙烯泡沫小球填充入模具中，并发泡成型，制得阻燃型吸波材料。
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