CN107060606A - 一种地铁钢结构密闭防护门及其制备方法 - Google Patents
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Abstract
本发明公开了一种地铁钢结构密闭防护门,包括门框和门体,所述门框由玻璃钢材料组成,所述门体由两层玻璃钢材料中间复合铅硼聚乙烯板制成,所述玻璃钢材料组成为72%‑85%的玻璃钢纤维,18‑25%的防中子纤维和10‑12%的防X、γ射线纤维。与现有技术相比,本发明的地铁门不仅自重轻强度高,门体通过玻璃钢材料中间复合硼聚乙烯板,使得地铁门具有良好的屏蔽辐射效果,门框和门体分别采用SMC片料模压成型制备工艺和层压工艺,使得玻璃钢材料和硼聚乙烯板内部无裂纹和气泡,能达到符合要求的力学性能。
Description
技术领域
本发明涉及地铁门制备技术领域,具体涉及一种地铁钢结构密闭防护门及其制备方法。
背景技术
随着轨道交通的快速发展,多种形式的地铁区间隔断门应用于轨道交通工程。现有的地铁门一般采用钢筋混凝土材料,使得地铁门的自重较大,同时现有的地铁门防辐射效果较差,门体材料不符合规定的力学性能要求。
发明内容
本发明旨在提供了一种地铁钢结构密闭防护门及其制备方法。
本发明提供如下技术方案:
一种地铁钢结构密闭防护门,其特征在于,包括门框和门体,所述门框由玻璃钢材料组成,所述门体由两层玻璃钢材料中间复合铅硼聚乙烯板制成,所述玻璃钢材料组成为72%-85%的玻璃钢纤维,18-25%的防中子纤维和10-12%的防X、γ射线纤维。
一种地铁钢结构密闭防护门的制备方法,所述门框采用SMC片料模压成型制备工艺,包括以下步骤:
(1)称取以下重量份数的原料:不饱和聚酯树脂38-42份、引发剂0.8-1.2份、增稠剂1.5-2.5份、填料50-58份、内脱模剂1-1.5份和阻燃剂5-10份,将不饱和聚酯树脂加到混合槽中进行充分搅拌,将引发剂加入混合槽搅拌时间5-20min,随后加入填料并充分混合直到均匀分散为止,搅拌时间20min,最后加入内脱模剂、增稠剂和阻燃剂并搅拌20min,得到树脂糊;
(2)将上述树脂糊均匀涂在高密度聚乙烯薄膜上,取增强纤维25-30份经过短切到长度为2-2.8cm,落于涂有所述树脂糊的高密聚乙烯薄膜的上层与下层的两层薄膜之间,经传送带送到压辊处,使所述树脂糊与增强纤维充分浸渍,形成片材,然后收集成卷或折叠布状;
(3)将步骤(2)制得的材料,在45-50℃温度下增稠8-12个小时,得到SMC片料;
(4)将步骤(3)得到的SMC片料按门框形状及尺寸进行剪裁,揭去两面的PE薄膜后根据厚度要求叠放在热的对模上进行加压加温成型。
一种地铁钢结构密闭防护门的制备方法,所述门体采用层压成型的制备工艺,包括以下步骤:
(1)将玻璃钢纤维丝和防中子纤维丝和防X、γ射线纤维丝混纺成平面织物;
(2)将不饱和聚酯树脂、阻燃剂、固化剂和溶剂按照质量比100:24:8:55均匀混合成树脂溶液;所述溶剂为甲苯、二甲苯或二者的混合;所述阻燃剂为氢氧化铝、氢氧化镁、三氧化二锑或含磷阻燃剂,所述固化剂为过氧化甲乙酮或过氧化环己酮;
(3)将步骤(1)中制得的增强纤维步骤(2)中制得的树脂溶液中浸渍后采用三段式烘干制得半固化片预浸料,所述半固化预浸料中增强纤维含量为30-35%;所述三段式烘干采用卧式上胶干燥机,温度控制如下:进口段温度90-110℃,中部烘干段120-150℃,出口段100℃以下;
(4)将步骤(3)中制备的半固化预浸料送入热压机,在8-10MPa压力下进行排气40-45min,而后在9-15MPa压力下升温至120-150℃进行预压45-50min,而后升温至185-190℃保温5-10min固化得到成型料;最后风冷至65℃以下时卸压,将成型料退出热压机,冷却至室温后按照门体尺寸进行切割即可制得玻璃钢门体。
一种地铁钢结构密闭防护门,所述硼聚乙烯板制备方法如下:
(1)用玻璃钢纤维丝和聚乙烯纤维丝在专用并丝机上合并成复合纱,将复合纱在针织横机上织成平纹针织物;
(2)通过挤出机挤出硼聚乙烯板材,挤出温度在160-180℃之间;
(3)将步骤(1)制得的针织物铺设在步骤(2)中制得的硼聚乙烯板材上下表面,然后进入压辊,压辊压力为8MPa,压辊温度控制在240-260℃之间,形成硼聚乙烯两面复合织物板材并自然冷却;
(4)将第步骤(2)制得的树脂溶液刮涂于步骤(3)制得的硼聚乙烯复合织物板的两面的织物上,而后烘干得到硼聚乙烯复合织物板预浸料;
(5)将步骤(4)制得的半固化片预浸料按照门体尺寸预裁剪后迭合在硼聚乙烯复合织物板预浸料两侧,而后预热到80-100℃后保温得到硼聚乙烯板材。
所述硼聚乙烯板厚度为20-32mm。
所述门体外侧设置有一圈凸起的橡胶圈与门框贴合密封。
与现有技术相比,本发明的有益效果是:本发明的地铁门不仅自重轻强度高,门体通过玻璃钢材料中间复合硼聚乙烯板,使得地铁门具有良好的屏蔽辐射效果,门框和门体分别采用SMC片料模压成型制备工艺和层压工艺,使得玻璃钢材料和硼聚乙烯板内部无裂纹和气泡,能达到符合要求的力学性能。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例 一种地铁钢结构密闭防护门,其特征在于,包括门框和门体,所述门框由玻璃钢材料组成,所述门体由两层玻璃钢材料中间复合铅硼聚乙烯板制成,所述玻璃钢材料组成为72%-85%的玻璃钢纤维,18-25%的防中子纤维和10-12%的防X、γ射线纤维。
一种地铁钢结构密闭防护门的制备方法,所述门框采用SMC片料模压成型制备工艺,包括以下步骤:
(1)称取以下重量份数的原料:不饱和聚酯树脂38-42份、引发剂0.8-1.2份、增稠剂1.5-2.5份、填料50-58份、内脱模剂1-1.5份和阻燃剂5-10份,将不饱和聚酯树脂加到混合槽中进行充分搅拌,将引发剂加入混合槽搅拌时间5-20min,随后加入填料并充分混合直到均匀分散为止,搅拌时间20min,最后加入内脱模剂、增稠剂和阻燃剂并搅拌20min,得到树脂糊;
(2)将上述树脂糊均匀涂在高密度聚乙烯薄膜上,取增强纤维25-30份经过短切到长度为2-2.8cm,落于涂有所述树脂糊的高密聚乙烯薄膜的上层与下层的两层薄膜之间,经传送带送到压辊处,使所述树脂糊与增强纤维充分浸渍,形成片材,然后收集成卷或折叠布状;
(3)将步骤(2)制得的材料,在45-50℃温度下增稠8-12个小时,得到SMC片料;
(4)将步骤(3)得到的SMC片料按门框形状及尺寸进行剪裁,揭去两面的PE薄膜后根据厚度要求叠放在热的对模上进行加压加温成型。
一种地铁钢结构密闭防护门的制备方法,所述门体采用层压成型的制备工艺,包括以下步骤:
(1)将玻璃钢纤维丝和防中子纤维丝和防X、γ射线纤维丝混纺成平面织物;
(2)将不饱和聚酯树脂、阻燃剂、固化剂和溶剂按照质量比100:24:8:55均匀混合成树脂溶液;所述溶剂为甲苯、二甲苯或二者的混合;所述阻燃剂为氢氧化铝、氢氧化镁、三氧化二锑或含磷阻燃剂,所述固化剂为过氧化甲乙酮或过氧化环己酮;
(3)将步骤(1)中制得的增强纤维步骤(2)中制得的树脂溶液中浸渍后采用三段式烘干制得半固化片预浸料,所述半固化预浸料中增强纤维含量为30-35%;所述三段式烘干采用卧式上胶干燥机,温度控制如下:进口段温度90-110℃,中部烘干段120-150℃,出口段100℃以下;
(4)将步骤(3)中制备的半固化预浸料送入热压机,在8-10MPa压力下进行排气40-45min,而后在9-15MPa压力下升温至120-150℃进行预压45-50min,而后升温至185-190℃保温5-10min固化得到成型料;最后风冷至65℃以下时卸压,将成型料退出热压机,冷却至室温后按照门体尺寸进行切割即可制得玻璃钢门体。
一种地铁钢结构密闭防护门,所述硼聚乙烯板制备方法如下:
(1)用玻璃钢纤维丝和聚乙烯纤维丝在专用并丝机上合并成复合纱,将复合纱在针织横机上织成平纹针织物;
(2)通过挤出机挤出硼聚乙烯板材,挤出温度在160-180℃之间;
(3)将步骤(1)制得的针织物铺设在步骤(2)中制得的硼聚乙烯板材上下表面,然后进入压辊,压辊压力为8MPa,压辊温度控制在240-260℃之间,形成硼聚乙烯两面复合织物板材并自然冷却;
(4)将第步骤(2)制得的树脂溶液刮涂于步骤(3)制得的硼聚乙烯复合织物板的两面的织物上,而后烘干得到硼聚乙烯复合织物板预浸料;
(5)将步骤(4)制得的半固化片预浸料按照门体尺寸预裁剪后迭合在硼聚乙烯复合织物板预浸料两侧,而后预热到80-100℃后保温得到硼聚乙烯板材。
所述硼聚乙烯板厚度为20-32mm。
所述门体外侧设置有一圈凸起的橡胶圈与门框贴合密封。
对于本领域技术人员而言,显然本发明不限于所述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是所述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (6)
1.一种地铁钢结构密闭防护门,其特征在于,包括门框和门体,所述门框由玻璃钢材料组成,所述门体由两层玻璃钢材料中间复合铅硼聚乙烯板制成,所述玻璃钢材料组成为72%-85%的玻璃钢纤维,18-25%的防中子纤维和10-12%的防X、γ射线纤维。
2.一种如权利要求1所述的地铁钢结构密闭防护门的制备方法,其特征在于,所述门框采用SMC片料模压成型制备工艺,包括以下步骤:
(1)称取以下重量份数的原料:不饱和聚酯树脂38-42份、引发剂0.8-1.2份、增稠剂1.5-2.5份、填料50-58份、内脱模剂1-1.5份和阻燃剂5-10份,将不饱和聚酯树脂加到混合槽中进行充分搅拌,将引发剂加入混合槽搅拌时间5-20min,随后加入填料并充分混合直到均匀分散为止,搅拌时间20min,最后加入内脱模剂、增稠剂和阻燃剂并搅拌20min,得到树脂糊;
(2)将上述树脂糊均匀涂在高密度聚乙烯薄膜上,取增强纤维25-30份经过短切到长度为2-2.8cm,落于涂有所述树脂糊的高密聚乙烯薄膜的上层与下层的两层薄膜之间,经传送带送到压辊处,使所述树脂糊与增强纤维充分浸渍,形成片材,然后收集成卷或折叠布状;
(3)将步骤(2)制得的材料,在45-50℃温度下增稠8-12个小时,得到SMC片料;
(4)将步骤(3)得到的SMC片料按门框形状及尺寸进行剪裁,揭去两面的PE薄膜后根据厚度要求叠放在热的对模上进行加压加温成型。
3.一种如权利要求1所述的地铁钢结构密闭防护门的制备方法,其特征在于:所述门体采用层压成型的制备工艺,包括以下步骤:
(1)将玻璃钢纤维丝和防中子纤维丝和防X、γ射线纤维丝混纺成平面织物;
(2)将不饱和聚酯树脂、阻燃剂、固化剂和溶剂按照质量比100:24:8:55均匀混合成树脂溶液;所述溶剂为甲苯、二甲苯或二者的混合;所述阻燃剂为氢氧化铝、氢氧化镁、三氧化二锑或含磷阻燃剂,所述固化剂为过氧化甲乙酮或过氧化环己酮;
(3)将步骤(1)中制得的增强纤维步骤(2)中制得的树脂溶液中浸渍后采用三段式烘干制得半固化片预浸料,所述半固化预浸料中增强纤维含量为30-35%;所述三段式烘干采用卧式上胶干燥机,温度控制如下:进口段温度90-110℃,中部烘干段120-150℃,出口段100℃以下;
(4)将步骤(3)中制备的半固化预浸料送入热压机,在8-10MPa压力下进行排气40-45min,而后在9-15MPa压力下升温至120-150℃进行预压45-50min,而后升温至185-190℃保温5-10min固化得到成型料;最后风冷至65℃以下时卸压,将成型料退出热压机,冷却至室温后按照门体尺寸进行切割即可制得玻璃钢门体。
4.根据权利要求1所述的一种地铁钢结构密闭防护门,其特征在于:所述硼聚乙烯板制备方法如下:
(1)用玻璃钢纤维丝和聚乙烯纤维丝在专用并丝机上合并成复合纱,将复合纱在针织横机上织成平纹针织物;
(2)通过挤出机挤出硼聚乙烯板材,挤出温度在160-180℃之间;
(3)将步骤(1)制得的针织物铺设在步骤(2)中制得的硼聚乙烯板材上下表面,然后进入压辊,压辊压力为8MPa,压辊温度控制在240-260℃之间,形成硼聚乙烯两面复合织物板材并自然冷却;
(4)将第步骤(2)制得的树脂溶液刮涂于步骤(3)制得的硼聚乙烯复合织物板的两面的织物上,而后烘干得到硼聚乙烯复合织物;
(5)将步骤(4)制得的半固化片预浸料按照门体尺寸预裁剪后迭合在硼聚乙烯复合织物板预浸料两侧,而后预热到80-100℃后保温得到硼聚乙烯板材。
5.根据权利要求1所述的一种地铁钢结构密闭防护门,其特征在于:所述硼聚乙烯板厚度为20-32mm。
6.根据权利要求1所述的一种地铁钢结构密闭防护门,其特征在于:所述门体外侧设置有一圈凸起的橡胶圈与门框贴合密封。
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