CN105799269A - 一种新型防辐射复合材料 - Google Patents
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Abstract
本发明公开了一种新型防辐射复合材料，包括外表层、泡沫金属板和增强层，其中，泡沫金属板内部设有容腔，容腔内灌入液体状的泡沫水泥通过固化成型，外表层材料是由酚醛树脂、聚氨酯、云母粉、珍珠岩粉末、玻璃微珠以及塑料助剂，按比例份数通过混合、熔融成熔浆后浇筑在泡沫金属板的外表面上，通过反复层压工艺成型。本发明有益效果是：密度低、力学性能好、并有优异的阻尼性能、防辐射性能、隔音性能等，且工艺简单，易于制造。
Description
技术领域
本发明涉及复合材料领域，尤其涉及一种新型防辐射复合材料。
背景技术
在放射医疗和军事领域中，为了防止X射线、电子辐射和电子干扰通常使用铅、钨金属材料制作相应的防护装置或屏障，利用铅金属自身具有的屏蔽效应来保护人体或电子设备的安全，众所周知，铅属于放射性金属，也是一种有毒元素，使用这种材料不仅对人身体很不安全，而且会带来很大的环境污染，钨金属生产成本昂贵，因此在制作防护装置或屏障时生产成本较高，能源消耗大，工艺复杂，而且只能加工简单的金属板，无法生产复杂形状的防护装置或屏障。因此，如何研究一种高性能、低成本的新型防辐射复合材料已成为目前需要解决的技术问题。
发明内容
本发明的目的在于克服现有技术存在的以上问题，达到上述技术效果，本发明通过以下技术方案实现：
一种新型防辐射复合材料，包括外表层、泡沫金属板和增强层，其中，泡沫金属板内部设有容腔，容腔内灌入液体状的泡沫水泥通过固化成型，外表层材料是由以下重量份数构成：酚醛树脂50-60份、聚氨酯30-35份、云母粉30-45份、珍珠岩粉末15-25份、玻璃微珠40-50份以及塑料助剂8份，按比例份数通过混合、熔融成熔浆后浇筑在泡沫金属板的外表面上，通过反复层压工艺成型。
进一步地，所述泡沫金属板选自泡沫铝合金、泡沫镍合金及泡沫镁合金中的一种。
进一步地，所述泡沫水泥选自钡水泥或者锶水泥中的一种或多种。
进一步地，所述增强层内部的泡沫水泥掺有10%-25%的短切碳纤维或者20%-30%的短切玻璃纤维。
进一步地，所述塑料助剂包括硅烷偶联剂、固化剂以及稳定剂。
进一步地，所述云母粉、珍珠岩粉末、玻璃微珠通过粉碎机粉碎，其粉碎粒径为100-140目。
本发明有益效果是：
1、质轻、生产成本低：与传统的防辐射材料相比，制作工艺简单，通过价格更为低廉的泡沫水泥作为增强体有效地减少生产成本；
2、力学性能好：采用硬度高的水泥作为核心体，由于泡沫金属的气孔率高、孔径尺寸较大，使固化后的材料更容易嵌入气孔内，增加着附力，当泡沫金属承受压力时，由于气孔塌陷导致的受力面积增加和材料应变硬化效应，使得泡沫金属具有优异的阻尼特性；
3、防辐射、隔音性能佳：采用泡沫金属作为框架，在框架外表层设有阻燃隔音材料，内部结构具有抗辐射能力强及电磁屏蔽性能佳等优点。
附图说明
图1为本发明的剖视图。
具体实施方式
下面将结合实施例，来详细说明本发明。
一种新型防辐射复合材料，包括外表层、泡沫金属板和增强层，其中，
泡沫金属板内部设有容腔，容腔内灌入液体状的泡沫水泥通过固化成型，外表层材料是由以下重量份数构成：酚醛树脂50-60份、聚氨酯30-35份、云母粉35-50份、珍珠岩粉末15-25份、玻璃微珠40-50份以及塑料助剂8份，按比例份数通过混合、熔融成熔浆后再浇筑在泡沫金属板外表面上，通过反复层压或模压等工艺成型。
其中，泡沫金属板选自泡沫铝合金、泡沫镍合金及泡沫镁合金中的一种。增强层内部的泡沫水泥掺有10%-25%的短切碳纤维或者20%-30%的短切玻璃纤维，塑料助剂包括硅烷偶联剂、固化剂以及稳定剂，云母粉、珍珠岩粉末、玻璃微珠通过粉碎机粉碎，其粉碎粒径为100-140目。
实施例1：一种新型防辐射复合材料，包括外表层、泡沫金属板和增强层，其中，泡沫金属板内部设有容腔，容腔注塑有35%的金属粉末与60%的热酚醛树脂通过固化形成增强层，外表层材料是由以下重量份数构成：酚醛树脂50份、聚氨酯32份、云母粉40份、珍珠岩粉末15份、玻璃微珠45份、固化剂3份稳定剂1份及偶联剂4份，按比例份数通过混合、熔融成熔浆后再浇筑在泡沫金属板外表面上，通过反复层压或模压等工艺成型。
其中，泡沫金属板选自泡沫铝合金、泡沫镍合金及泡沫镁合金中的一种；其中，增强层内部掺有20%-30%的短切玻璃纤维；其中，云母粉、珍珠岩粉末、玻璃微珠通过粉碎机粉碎，其粉碎粒径为100-140目。
以上描述了本发明的举例，展示了主要特征和本发明的优点。应该了解，本发明不受上述实施例的限制，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。
Claims (6)
1.一种新型防辐射复合材料，包括外表层、泡沫金属板和增强层，其中，泡沫金属板内部设有容腔，容腔内灌入液体状的泡沫水泥通过固化成型，外表层材料是由以下重量份数构成：酚醛树脂50-60份、聚氨酯30-35份、云母粉30-45份、珍珠岩粉末15-25份、玻璃微珠40-50份以及塑料助剂8份，按比例份数通过混合、熔融成熔浆后浇筑在泡沫金属板的外表面上，通过反复层压工艺成型。
2.根据权利要求1所述的一种新型防辐射复合材料，其特征在于：所述泡沫金属板选自泡沫铝合金、泡沫镍合金及泡沫镁合金中的一种。
3.根据权利要求1所述的一种新型防辐射复合材料，其特征在于：所述泡沫水泥选自钡水泥或者锶水泥中的一种或多种。
4.根据权利要求1所述的一种新型防辐射复合材料，其特征在于：所述增强层内部的泡沫水泥掺有10%-25%的短切碳纤维或者20%-30%的短切玻璃纤维。
5.根据权利要求1所述的一种新型防辐射复合材料，其特征在于：所述塑料助剂包括硅烷偶联剂、固化剂以及稳定剂。
6.根据权利要求1所述的一种新型防辐射复合材料，其特征在于：所述云母粉、珍珠岩粉末、玻璃微珠通过粉碎机粉碎，其粉碎粒径为100-140目。
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| CN111817172A (zh) * | 2020-07-18 | 2020-10-23 | 李年伦 | 一种防电磁辐射用配电装置 |
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| CN104912217A (zh) * | 2015-06-17 | 2015-09-16 | 盐城工学院 | 一种节能降噪板材 |
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