CN108909073A - 一种有机材料浮体的防紫外线方法 - Google Patents
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Abstract
本发明涉及一种有机材料浮体的防紫外线方法,其特征在于:该方法是在的聚氨基甲酸酯加强层(2)的表面涂刷粘合剂,形成粘合剂层(5),在粘合剂层(5)未凝固前,向粘合剂层(5)表面喷射无机材料的粉体,形成无机物防护层(6),无机材料的粉体被粘结在粘合剂上,直至覆盖整个聚氨基甲酸酯加强层(2)的表面,待粘合剂凝固后,无机材料的粉体就会粘结在聚氨基甲酸酯加强层(2)的表面上,这些无机材料的粉体就会形成防护紫外线的无机物防护层(6)。本发明是一种有效的紫外线防护方法;利用该方法的有机材料的浮体在长时间的完全室外无遮挡的情况下曝晒,外观无大的变化,强度基本没有降低,防护效果好。
Description
技术领域
本发明属于工程材料技术领域,尤其涉及一种有机材料浮体的防紫外线方法,是一种有机材料浮体的抗老化技术,可以使得该浮体在野外阳光曝晒的条件下,降低因紫外线造成的破坏,改善耐候性,延长浮体的使用寿命。本发明也可以用于其他有机材料的结构上,以防止紫外线造成的辐射破坏,延长使用寿命。
背景技术
在常温环境使用的有机材料表面,主要的老化方式为光老化,从而逐渐造成破坏。光是一种电磁波,具有波粒二象性,其最小单位是光子,光子具有能量,这是其具有破坏性的根源。到达地面的太阳光是由不同波长的光组成的。大气同温层的臭氧层基本将低于295nm波长紫外线部分的辐射能吸收了,到达地面并发生作用的只有紫外线中的中波UVB和长波UVA部分,这两种波长的紫外线对有机物带来了大部分的结构破坏。可见光也可以造成部分破坏。暴露于太阳光线中的有机物,其分子在光线的照射下吸收光子的能量后,分子由稳定基态变化为激发态,激发态的分子不稳定,会发光化学反应,若吸收的能量大于链接键分解的能量时,就会发生分子键断裂。紫外线具有大于大部分化学键离解的单位能量,因此大多数有机材料在自然光线的环境中会发生老化,从而导致破坏,降低材料的使用寿命。
目前的防护方法一般是在有机材料中添加助剂、选择高键能基料、外加涂料等方法。这些方法可以起到一定的作用,有些效果较好,但是这些方法往往操作复杂,成本昂贵,使得应用受到限制。一种有机材料浮体的外表面是有机发泡材料,有较好的强度和韧性,但是耐候性差,在阳光的作用下强度逐渐降低,使用寿命短。
发明内容
本发明之目的是为了解决上述存在这个问题,通过研究、试验,提供一种有机材料浮体的防紫外线方法,该项发明所依据的原理是:无机材料由于其基本结构的特性,抗紫外线辐射的能力是很强的,因此可以将其作为防护层给有机发泡材料表面提供抗紫外线辐射防护,增加材料的抗老化性能,增加材料的使用寿命。
实现本发明目的所采取的技术方案是:一种有机材料浮体的防紫外线方法,包括有低密度聚苯乙烯发泡内芯,低密度聚苯乙烯发泡内芯的外围设有聚氨基甲酸酯加强层,其特征在于:该方法是在聚氨基甲酸酯加强层的表面涂刷粘合剂,形成粘合剂层,在粘合剂层未凝固前,向粘合剂层表面喷射无机材料的粉体,直至覆盖整个聚氨基甲酸酯加强层的表面,形成无机物防护层,无机材料的粉体被粘结在粘合剂上,待粘合剂凝固后,无机材料的粉体就会粘结在聚氨基甲酸酯加强层的表面上,这些无机材料的粉体就会形成防护紫外线的无机物防护层。所述的低密度聚苯乙烯发泡内芯的外侧设有纵向受力筋和横向受力筋,起到加强材料强度的作用,在低密度聚苯乙烯发泡内芯的外面设置聚氨基甲酸酯加强层,聚氨基甲酸酯加强层将低密度聚苯乙烯发泡内芯、纵向受力筋和横向受力筋包裹起来形成受力结构体,在受力结构体外的聚氨基甲酸酯加强层的表面涂刷粘合剂,形成粘合剂层,在粘合剂层未凝固时,向粘合剂层的表面喷射无机材料的粉体,无机材料的粉体被粘结在有机物加强层的表面上,形成防护紫外线的无机物防护层。所述的无机材料的粉体采用石粉类无机材料,例如磨细的花岗岩石粉、石灰岩石粉、石英粉等,也可以采用水泥粉。所述的防护紫外线的防护层可以分层施工。对于防护要求高的,可以分为多层,初期采用喷雾养护,后期覆盖饱和湿润养护。.
本发明可以有效地对有机物表面形成防护,原理清晰可靠,加工工艺简单快速,成本极低,是一种有效的紫外线防护方法。该方法也可以用于其他有机材料表面的防护。利用该方法的有机材料的浮体在长时间的完全室外无遮挡的情况下曝晒,外观无大的变化,强度基本没有降低,加工工艺简单,防护效果好,而且加工成本很低。
附图说明
图1是本发明的结构示意图。
图中: 1、低密度聚苯乙烯发泡内芯,2、聚氨基甲酸酯加强层,3、横向受力筋,4、纵向受力筋,5、粘合剂层,6、无机物防护层。
具体实施方案
参照附图,一种有机材料浮体的防紫外线方法,包括有低密度聚苯乙烯发泡内芯1,低密度聚苯乙烯发泡内芯1的外围设有聚氨基甲酸酯加强层2,其特征在于:该方法是在聚氨基甲酸酯加强层2的表面涂刷粘合剂,形成粘合剂层5,在粘合剂层5未凝固前,向粘合剂层5表面喷射无机材料的粉体,直至覆盖整个聚氨基甲酸酯加强层2的表面,形成无机物防护层6,无机材料的粉体被粘结在粘合剂上,待粘合剂凝固后,无机材料的粉体就会粘结在聚氨基甲酸酯加强层2的表面上,这些无机材料的粉体就会形成防护紫外线的无机物防护层6。所述的低密度聚苯乙烯发泡内芯1的外侧设有纵向受力筋3和横向受力筋4,起到加强材料强度的作用,在低密度聚苯乙烯发泡内芯1的外面设置聚氨基甲酸酯加强层2,聚氨基甲酸酯加强层2将低密度聚苯乙烯发泡内芯1、纵向受力筋3和横向受力筋4包裹起来形成受力结构体,在受力结构体外的聚氨基甲酸酯加强层2的表面涂刷粘合剂,形成粘合剂层5,在粘合剂层5未凝固时,向粘合剂层5的表面喷射无机材料的粉体,无机材料的粉体被粘结在有机物加强层2的表面上,形成防护紫外线的无机物防护层6。所述的无机材料的粉体采用石粉类无机材料,例如磨细的花岗岩石粉、石灰岩石粉、石英粉等,也可以采用水泥粉。所述的防护紫外线的防护层6可以分层施工。对于防护要求高的,可以分为多层,初期采用喷雾养护,后期覆盖饱和湿润养护。
Claims (3)
1.一种有机材料浮体的防紫外线方法,包括有低密度聚苯乙烯发泡内芯(1),低密度聚苯乙烯发泡内芯(1)的外围设有聚氨基甲酸酯加强层(2),其特征在于:该方法是在的聚氨基甲酸酯加强层(2)的表面涂刷粘合剂,形成粘合剂层(5),在粘合剂层(5)未凝固前,向粘合剂层(5)表面喷射无机材料的粉体,直至覆盖整个聚氨基甲酸酯加强层(2)的表面,形成无机物防护层(6),无机材料的粉体被粘结在粘合剂上,待粘合剂凝固后,无机材料的粉体就会粘结在聚氨基甲酸酯加强层(2)的表面上,这些无机材料的粉体就会形成防护紫外线的无机物防护层(6)。
2.按照权利要求1所述的有机材料浮体的防紫外线方法,其特征在于:所述的低密度聚苯乙烯发泡内芯(1)的外侧设有纵向受力筋(3)和横向受力筋(4),起到加强材料强度的作用,在低密度聚苯乙烯发泡内芯(1)的外面设置聚氨基甲酸酯加强层(2),聚氨基甲酸酯加强层(2)将低密度聚苯乙烯发泡内芯(1)、纵向受力筋(3)和横向受力筋(4)包裹起来形成受力结构体,在受力结构体外的聚氨基甲酸酯加强层(2)的表面涂刷粘合剂,形成粘合剂层(5),在粘合剂层(5)未凝固时,向粘合剂层(5)的表面喷射无机材料的粉体,无机材料的粉体被粘结在有机物加强层(2)的表面上,形成防护紫外线的无机物防护层(6)。
3.按照权利要求1所述的有机材料浮体的防紫外线方法,其特征在于:所述的无机材料的粉体采用石粉类无机材料,例如磨细的花岗岩石粉、石灰岩石粉、石英粉或采用水泥粉。
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