CN105415805A - 一种高延性模增强纤维与镀锌钢复合材料及其制备工艺 - Google Patents

一种高延性模增强纤维与镀锌钢复合材料及其制备工艺 Download PDF

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CN105415805A
CN105415805A CN201510991089.7A CN201510991089A CN105415805A CN 105415805 A CN105415805 A CN 105415805A CN 201510991089 A CN201510991089 A CN 201510991089A CN 105415805 A CN105415805 A CN 105415805A
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fiber
high ductility
fibre
ductility
galvanized steel
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马争
卢亦焱
王金林
刘谦
汪兴萌
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Technology (shenzhen) Co Ltd
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Abstract

本发明属于化工材料领域,具体涉及一种高延性模增强纤维与镀锌钢复合材料及其制备工艺。具体包括:芯模和包裹在所述芯模外表面的高延性纤维增强层,所述芯模为镀锌钢;所述高延性纤维增强层中的纤维增强材料为玻璃纤维、玄武岩纤维或芳纶纤维中的至少一种。所述复合材料是采用纤维增强材料粘贴于金属芯模表面制作而成,纤维增强材料的存在对金属芯模具有很好的保护,使得由所述材料制得的光伏支架构件的耐腐蚀性能更好;且所述材料是一种轻质高延展性的材料,使制得的光伏支架在保证强度的基础上,比单纯的金属光伏支架的重量更轻;具有极大的市场价值和经济前景。

Description

一种高延性模增强纤维与镀锌钢复合材料及其制备工艺
技术领域
本发明属于化工材料领域,具体涉及一种高延性模增强纤维与镀锌钢复合材料及其制备工艺。
背景技术
光伏支架是固定太阳能电池板的重要构件,目前,制作光伏支架的材料主要为镀锌钢。但是镀锌钢光伏支架存在防腐性能差,不适应于酸、碱、盐环境以及沙漠盐碱地腐蚀性较强的区域,据有关专家评估该产品使用寿命4-5年左右就要维修或更换,不能达到光伏太阳能电池板25年的发电设计要求,给光伏发电效率造成严重影响和损失。
金属的防腐蚀可将环氧树脂涂在金属表面,但单纯的用树脂涂覆在金属表面上,会出现较严重的龟裂裂缝,起不到防渗漏和保护金属的作用。
发明内容
为此,本发明所要解决的技术问题在于克服现有技术中镀锌钢光伏支架质量大,抗腐蚀性能差的技术瓶颈,从而提出一种具有耐腐蚀、轻质高强的特点的高延性模增强纤维与镀锌钢复合材料及其制备工艺。
为解决上述技术问题,本发明的公开了一种高延性模增强纤维与镀锌钢复合材料,所述复合材料包括:
芯模和包裹在所述芯模外表面的高延性纤维增强层,所述芯模为镀锌钢;所述高延性纤维增强层中的纤维增强材料为玻璃纤维、玄武岩纤维或芳纶纤维中的至少一种。
更为进一步的,所述的复合材料,其中,所述高延性纤维增强层的材质可以为纤维布、纤维纱、纤维毡或纤维带中的任一种。
本发明还公开了一种制备所述的复合材料的工艺,其中,所述工艺包括如下:
A、将镀锌钢开出芯模形状;
B、将高延性模纤维增强材料层在高温下干燥,随后浸渍于液体树脂中,得到浸渍高延性模纤维增强材料层;
C、将所述浸渍高延性模纤维增强材料层粘贴于芯模外表面;
D、然后将粘贴有所述浸渍高延性模纤维增强材料层的芯模加热固化,得到高延性模纤维与镀锌钢复合材料。
优选的,所述的制备工艺,其中,所述工艺中的步骤D中,所述加热固化具体分三阶段进行:首先在40~50℃条件下固化2小时,然后在80~120℃摄氏度条件下固化2小时,最后在120~180℃条件下固化2小时。
进一步的,所述的制备工艺,其中,所述工艺的步骤B中,干燥温度为80~100℃。
进一步的,所述的制备工艺,其中,所述工艺的步骤B中,高温下干燥时间为5.5~6.5小时。
进一步的,所述的制备工艺,其中,所述工艺的步骤B中,所述浸渍时间为20~30秒。
本发明的上述技术方案相比现有技术具有以下优点:
本发明的复合材料是采用纤维增强材料粘贴于金属芯模表面制作而成,纤维增强材料的存在对金属芯模具有很好的保护,使得由所述复合材料制得的光伏支架构件比金属光伏支架构件的耐腐蚀性能更好。
本发明所述的纤维增强材料是一种轻质高强的材料,使制得的光伏支架在保证强度的基础上,比金属光伏支架的重量更轻;具有极大的市场价值和经济前景。
附图说明
为了使本发明的内容更容易被清楚的理解,下面根据本发明的具体实施例并结合附图,对本发明作进一步详细的说明,其中
图1是实施例中的高延性模增强纤维与镀锌钢复合材料支架的结构示意图;
图中附图标记表示为:1-芯模,2-高延性纤维增强层。
具体实施方式
实施例1本实施例公开了一种高延性模增强纤维与镀锌钢复合材料,包括:
芯模1和包裹在所述芯模外表面的高延性纤维增强层2;所述芯模1为镀锌钢;所述高延性纤维增强层2的纤维材料为玻璃纤维、玄武岩纤维或芳纶纤维。
所述玻璃纤维、玄武岩纤维或芳纶纤维的材质均为纤维布。
实施例2本实施例公开了一种高延性模增强纤维与镀锌钢复合材料,包括:
芯模1和包裹在所述芯模外表面的高延性纤维增强层2;所述芯模1为镀锌钢;所述高延性纤维增强层2的纤维材料为芳纶纤维。
所述芳纶纤维的材质均可以为纤维纱。
实施例3本实施例公开了一种高延性模增强纤维与镀锌钢复合材料,包括:
芯模1和包裹在所述芯模外表面的高延性纤维增强层2;所述芯模1为镀锌钢;所述高延性纤维增强层2的纤维材料为玄武岩纤维。
所述玄武岩纤维的材质为纤维毡。
实施例4本实施例公开了一种高延性模增强纤维与镀锌钢复合材料的制备工艺,所述工艺包括如下步骤:
A、按照光伏支架的实际情况和设计要求设计镀锌钢芯模;
B、纤维增强材料选用玻璃纤维布,将纤维布在80~100℃高温下干燥5.5~6.5小时以去除纤维的潮气,随后将干燥处理过的纤维布按照每平方米纤维布浸渍在0.6~0.8kg的树脂混合液中20~30秒,得到浸渍纤维布;
C、在芯模外表面粘贴一层浸渍后的纤维布,当纤维布不连续时,每块纤维布之间的搭接长度不小于100mm,纤维布与金属需保证完全接触,不能有气泡的产生;
D、将步骤C制作成的纤维增强金属层合构件放在固化炉中加热固化,固化分三阶段进行,首先在40~50℃条件下固化2小时,然后在80~120℃摄氏度条件下固化2小时,最后在120~180℃条件下固化2小时;
E、将得到纤维与镀锌钢复合材料的冗余处去除,并去除毛刺,即得到高延性模增强纤维与镀锌钢复合材料。
实施例5本实施例公开了一种高延性模增强纤维与镀锌钢复合材料的制备工艺,所述工艺包括如下步骤:
A、按照光伏支架的实际情况和设计要求设计镀锌钢芯模;
B、纤维增强材料选用玻璃纤维布和玄武岩纤维布,使两种纤维布均匀混杂粘贴于芯模外侧。将纤维布在80~100℃高温下干燥5.5~6.5小时以去除纤维的潮气,随后将处理过的纤维布按照每平方米纤维布浸渍在0.6~0.8kg的树脂混合液中20~30秒,得到浸渍增强纤维布;
C、在芯模外表面粘贴二层浸渍后的纤维布,先粘贴芳纶纤维布,在芳纶纤维布的外侧粘贴碳纤维布。当纤维布不连续时,每块纤维布之间的搭接长度不小于100mm,纤维布与金属需保证完全接触,不能有气泡的产生,不同层纤维布的粘贴间隔时间不能短于12小时;
D、将步骤C制作成的纤维增强金属层合构件放在固化炉中加热固化,固化分三阶段进行,首先在40~50℃条件下固化2小时,然后在80~120℃摄氏度条件下固化2小时,最后在120~180℃条件下固化2小时;
E、将得到的纤维与镀锌钢复合材料的加工冗余处去除,并去除毛刺,即得到高延性模增强纤维与镀锌钢复合材料。
实施例6本实施例公开了一种高延性模增强纤维与镀锌钢复合材料的制备工艺,所述工艺包括如下步骤:
A、按照光伏支架的实际情况和设计要求设计镀锌钢芯模;
B、纤维增强材料选用玻璃纤维毡和玄武岩纤维毡。将纤维毡在80~100℃高温下干燥5.5~6.5小时以去除纤维的潮气,随后将两种纤维毡均匀的放置在排纱系统的纱筒上,将排布整齐的增强纤维均匀通过树脂胶槽均匀浸渍上已配制好的不饱和树脂,浸渍时间为20s,得到浸渍玻璃纤维毡;
C、将浸渍好的纤维毡粘贴于芯模表面,并穿过预成型装置挤压出多余的树脂,排除气泡;
D、利用牵引机以300mm/min的速度使增强纤维材料进入长度为1500mm的模具成型固化,模具温度控制在120~160℃模具中预热区、凝胶区和固化区温差为20℃,接着利用牵引装置以50~100kN的牵引力和300mm/min的牵引速度将固化型材从模具中拉出来并放置于固化炉中加热固化,固化分三阶段进行,首先在40~50℃条件下固化2小时,然后在80~120℃摄氏度条件下固化2小时,最后在120~180℃条件下固化2小时。
E、将得到纤维与镀锌钢复合材料切割成型,随后即得到高延性模增强纤维与镀锌钢复合材料。
对比例:将实施例1-3所述的复合材料与现有技术的材料的各项力学性能进行对比,具体见表1:
表1
由此可见,本发明所述的复合材料比单独的金属光伏支架构件的拉伸强度更大、比重更小,比强度更高。
本发明所述工艺将浸渍树脂的纤维增强材料粘贴于金属表面后,树脂中出现较严重龟裂的可能性转化为数量众多的微小裂缝,而这些小裂缝形成一个贯串裂缝的机率是很小的,而相互间还有止裂作用,这样可以阻止化学溶液介质的渗透腐蚀。故将纤维增强材料贴于金属表面能更加有效的保护金属免受腐蚀。
与此同时,金属光伏支架质量大,纤维增强材料具有轻质高强的特点,将高延性纤维增强材料粘贴于金属表面制作成增强纤维与镀锌钢复合材料的光伏支架构件不仅可以在保证强度的基础上,使光伏支架构件可以减轻重量,同时也使得光伏支架延性要求得到满足,使光伏支架适用的范围更广。表1中给出各种材料的基本力学性能,从中可看出高延性纤维是一种轻质高强,延伸率较高的材料。
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (7)

1.一种高延性模增强纤维与镀锌钢复合材料,其特征在于,所述复合材料包括:
芯模和包裹在所述芯模外表面的高延性纤维增强层,所述芯模为镀锌钢;所述高延性纤维增强层中的纤维增强材料为玻璃纤维、玄武岩纤维或芳纶纤维中的至少一种。
2.如权利要求1所述的复合材料,其特征在于,所述高延性纤维增强层的材质可以为纤维布、纤维纱、纤维毡或纤维带中的任一种。
3.一种制备如权利要1或2任一所述的复合材料的工艺,其特征在于,所述工艺包括如下:
A、将镀锌钢开出芯模形状;
B、将高延性模纤维增强材料层在高温下干燥,随后浸渍于液体树脂中,得到浸渍高延性模纤维增强材料层;
C、将所述浸渍高延性模纤维增强材料层粘贴于芯模外表面;
D、然后将粘贴有所述浸渍高延性模纤维增强材料层的芯模加热固化,得到高延性模纤维与镀锌钢复合材料。
4.根据权利要求3所述的制备工艺,其特征在于,所述工艺中的步骤D中,所述加热固化具体分三阶段进行:首先在40~50℃条件下固化2小时,然后在80~120℃摄氏度条件下固化2小时,最后在120~180℃条件下固化2小时。
5.如权利要求4所述的制备工艺,其特征在于,所述工艺的步骤B中,干燥温度为80~100℃。
6.如权利要求5所述的制备工艺,其特征在于,所述工艺的步骤B中,高温下干燥时间为5.5~6.5小时。
7.如权利要求6所述的制备工艺,其特征在于,所述工艺的步骤B中,所述浸渍时间为20~30秒。
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CN2900668Y (zh) * 2006-07-10 2007-05-16 东南大学 复合筋材
CN203896270U (zh) * 2014-05-16 2014-10-22 苏州海宝金属有限公司 可调节式光伏支架
EP2946923A1 (de) * 2014-05-06 2015-11-25 Evonik Industries AG Herstellung eines auf aluminium und polyurethan basierenden faserverbundbauteils

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EP2946923A1 (de) * 2014-05-06 2015-11-25 Evonik Industries AG Herstellung eines auf aluminium und polyurethan basierenden faserverbundbauteils
CN203896270U (zh) * 2014-05-16 2014-10-22 苏州海宝金属有限公司 可调节式光伏支架

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* Cited by examiner, † Cited by third party
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CN109881577A (zh) * 2019-03-28 2019-06-14 北京工业大学 一种钢与cfrp组合应力带及其制作方法

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