CN106394576B - 一种夹心中空织物复合内墙板及其制备方法 - Google Patents

一种夹心中空织物复合内墙板及其制备方法 Download PDF

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CN106394576B
CN106394576B CN201610769026.1A CN201610769026A CN106394576B CN 106394576 B CN106394576 B CN 106394576B CN 201610769026 A CN201610769026 A CN 201610769026A CN 106394576 B CN106394576 B CN 106394576B
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resin
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CN106394576A (zh
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王冬至
王娜
唐可
孙帅
马凯胜
刘浩
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University of Jinan
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Abstract

本发明公开了一种夹心中空织物复合内墙板及其制备方法,属于复合建筑材料技术领域,包括下述原料:中空织物20~70份、树脂20~70份、填料10~30份、胶黏剂1~30份、腻子粉1~30份、固化剂0.1~10份,上述份数均以重量计,还包括1~20重量份的玻璃纤维布。本发明在中空织物两侧增加玻璃纤维布,在减轻内墙板重量的同时增加了其强度,提高其耐冲击性能,其独特的编织中空结构提高整体的保温性能,而且起到了隔音效果;同时表面装饰层采用氢氧化铝、碳酸钙、硅藻土、珍珠岩粉、玻璃微珠等填料,提高了内墙板的阻燃性,并且也进一步提高内墙板的强度,提高耐磨性。

Description

一种夹心中空织物复合内墙板及其制备方法
技术领域
本发明涉及复合建筑材料技术领域,具体地说是一种夹心中空织物复合内墙板及其制备方法,尤其适合应用于轨道交通工具中。
背景技术
内墙板是轨道交通工具中常用的材料,根据不同的需求形式多样,材质多为塑料或是金属,其阻燃性及保温性能较差,在近些年来的交通事故中,交通工具着火是极大的危险因素。在公共交通领域,内墙板的隔音隔热效果差,塑料内饰墙板强度低,易磨损,公共交通每天运送的人流量非常大,安全问题是重中之重,然而,上述不足给人们的生命财产安全带来很大的隐患。
发明内容
针对上述现有技术的不足,本发明的目的在于提供一种夹心中空织物复合内墙板及其制备方法,该内墙板具有阻燃、质轻、防腐、隔音、保温、强度高等优点,该制备方法操作简单、易于实施。
本发明解决其技术问题所采取的技术方案包括:一种夹心中空织物复合内墙板,包括下述原料:中空织物20~70份、树脂20~70份、填料10~30份、胶黏剂1~30份、腻子粉1~30份、固化剂0.1~10份,上述份数均以重量计。
树脂和固化剂混合构成可以复合纤维织物的成品树脂,涂覆在中空织物的表面,填料、成品树脂和腻子粉混合后得到表面装饰层混合物,表面装饰层混合物构成内墙板的表面装饰层。
随着国家提倡节能减排的发展,夹心中空织物复合墙体是一种新的功能型复合材料,具有良好的阻燃、防腐、隔音、保温等性能,并且由于中空织物层的存在,降低了内饰墙体的重量,进而降低车体重量,减少能耗。除此之外新型内墙板的编织结构也提高了其力学性能强度,更加耐磨损、抗冲击,符合国家发展新材料,功能材料的战略。
进一步的技术方案为:还包括1~20重量份的玻璃纤维布。在中空织物两侧增加玻璃纤维布,在减轻内墙板重量的同时增加了其强度,提高其耐冲击性能。
为提高内墙板的阻燃性,并且进一步的提高内墙板的强度和耐磨性,进一步的技术方案为:所述的填料由氢氧化铝、碳酸钙、硅藻土、珍珠岩粉和玻璃微珠混合而成。
进一步的技术方案为:所述填料中氢氧化铝、碳酸钙、硅藻土、珍珠岩粉和玻璃微珠的重量配比为1:1:1:1:1。
氢氧化铝阻燃性能好,不仅能阻燃,而且可以防止发烟、不产生滴下物、不产生有毒气体;碳酸钙与树脂亲合性好,可有效增加或调节材料刚性、韧性、以及弯曲强度等,并可改善塑料加工体系的流变性能,降低塑化温度,提高制品尺寸稳定,耐热性及表面光洁性;硅藻土化学性质稳定、耐磨、耐热,能够提高表面装饰层的附着力,由于它具有较大的孔体积,能缩短表面装饰层的固化时间,还可减少成品树脂的用量,降低成本;珍珠岩粉作为填料具有无毒、无味、防火、吸音等特点;玻璃微珠具有质轻、低导热、较高的强度、良好的化学稳定性等优点,其表面经过特殊处理具有亲油憎水性能,非常容易分散于有机材料体系中。采用上述物质构成填料,并将填料、腻子粉和成品树脂混合后构成表面装饰层混合物,提高内墙板的阻燃性、强度和耐磨性。
本发明解决其技术问题的技术方案还包括:制备上述夹心中空织物复合内墙板的方法,包括以下步骤:
步骤1):将模具进行脱模处理,将固化剂加入到树脂中搅拌均匀,得到可以复合纤维织物的成品树脂;固化剂加入到树脂中之后,通常搅拌1~5分钟即可。
步骤2):在所述模具的表面平铺所述成品树脂,平铺成品树脂的面积与需要复合纤维织物的底层面积相当;平铺树脂时,用毛刷或者刮刀在模具表面均匀平铺。
步骤3):将玻璃纤维布铺至已涂好成品树脂的模具上,并在玻璃纤维布的表面涂刷成品树脂;
步骤4):将中空织物铺至已涂好成品树脂的玻璃纤维布上,并在中空织物的表面涂刷成品树脂;
步骤5):将玻璃纤维布铺至已涂好成品树脂的中空织物上,待成品树脂固化后得到夹心中空织物复合板。
进一步的技术方案为:还包括以下步骤:
步骤6):将腻子粉、填料和成品树脂混合均匀,得到表面装饰层混合物;
步骤7):将胶黏剂涂刷在夹心中空织物复合板的表面,在模具的表面平铺装饰层混合物,然后压制成型;
步骤8):常温放置1~2天后,切割修边,得到最终产品。
进一步的技术方案为:所述步骤1)中,将模具进行脱模处理的具体操作方法为:在模具上打蜡或者涂刷脱模剂或者铺好脱模布。
进一步的技术方案为:所述步骤4)中,将中空织物铺至已涂好成品树脂的玻璃纤维布上之后,用辊子压涂所述中空织物的上表面,使中空织物底部的成品树脂被中空织物充分吸收并赶走中空织物底部的气泡。
进一步的技术方案为:所述步骤7)中,压制成型的具体操作方法为:在0.5~1Mpa压力下压制2~5min成型。
进一步的技术方案为:涂刷成品树脂时均为均匀涂刷。
本发明的有益效果是:
1、随着国家提倡节能减排的发展,夹心中空织物复合墙体是一种新的功能型复合材料,具有良好的阻燃、防腐、隔音、保温等性能,并且由于中空层的存在,降低了内饰墙体的重量,进而降低车体重量,减少能耗。除此之外新型内墙板的编织结构也提高了其力学性能强度,更加耐磨磨损、抗冲击,符合国家发展新材料,功能材料的战略。
2、在中空织物两侧增加玻璃纤维布,在减轻内墙板重量的同时增加了其强度,提高其耐冲击性能,其独特的编织中空结构提高整体的保温性能,而且起到了隔音效果;同时表面装饰层采用氢氧化铝、碳酸钙、硅藻土、珍珠岩粉、玻璃微珠等填料,提高了内墙板的阻燃性,并且也进一步提高内墙板的强度,提高耐磨性。
3、本发明的制备方法,通过添加固化剂的树脂来复合构成内墙板的纤维织物,固化时间短,固化后构成内墙板的纤维织物结合紧密,内墙板的强度高、质量轻。
具体实施方式
下面结合具体实施例对本发明作进一步的描述:
实施例一:
一种夹心中空织物复合内墙板,包括下述原料按照重量配比构成:玻璃纤维布15份、中空织物35份、树脂30份、氢氧化铝3份、碳酸钙1.5份、硅藻土3份、珍珠岩粉2份、玻璃微珠2份、胶黏剂3份、腻子粉5份、固化剂0.5份。
树脂和固化剂混合构成可以复合纤维织物的成品树脂,涂覆在中空织物的表面,氢氧化铝、碳酸钙、硅藻土、珍珠岩粉和玻璃微珠混合构成填料,填料、成品树脂和腻子粉混合后得到表面装饰层混合物,表面装饰层混合物构成内墙板的表面装饰层。
随着国家提倡节能减排的发展,夹心中空织物复合墙体是一种新的功能型复合材料,具有良好的阻燃、防腐、隔音、保温等性能,并且由于中空织物层的存在,降低了内饰墙体的重量,进而降低车体重量,减少能耗。除此之外新型内墙板的编织结构也提高了其力学性能强度,更加耐磨损、抗冲击,符合国家发展新材料,功能材料的战略。
氢氧化铝阻燃性能好,不仅能阻燃,而且可以防止发烟、不产生滴下物、不产生有毒气体;碳酸钙与树脂亲合性好,可有效增加或调节材料刚性、韧性、以及弯曲强度等,并可改善塑料加工体系的流变性能,降低塑化温度,提高制品尺寸稳定,耐热性及表面光洁性;硅藻土化学性质稳定、耐磨、耐热,能够提高表面装饰层的附着力,由于它具有较大的孔体积,能缩短表面装饰层的固化时间,还可减少成品树脂的用量,降低成本;珍珠岩粉作为填料具有无毒、无味、防火、吸音等特点;玻璃微珠具有质轻、低导热、较高的强度、良好的化学稳定性等优点,其表面经过特殊处理具有亲油憎水性能,非常容易分散于有机材料体系中。采用上述物质构成填料,并将填料、腻子粉和成品树脂混合后构成表面装饰层混合物,提高内墙板的阻燃性、强度和耐磨性。
本实施例的夹心中空织物复合内墙板的制备方法,包括以下步骤:
步骤1):在模具上打蜡或者涂刷脱模剂或者铺好脱模布,将固化剂加入到树脂中搅拌3分钟,得到可以复合纤维织物的成品树脂;
步骤2):用毛刷或者刮刀在模具表面均匀平铺所述成品树脂,平铺成品树脂的面积与需要复合纤维织物的底层面积相当;
步骤3):将玻璃纤维布铺至已涂好成品树脂的模具上,并在玻璃纤维布的表面均匀涂刷成品树脂;
步骤4):将中空织物铺至已涂好成品树脂的玻璃纤维布上,再用辊子压涂所述中空织物的上表面,使中空织物底部的成品树脂被中空织物充分吸收并赶走中空织物底部的气泡,并在中空织物的表面均匀涂刷成品树脂;
步骤5):将玻璃纤维布铺至已涂好成品树脂的中空织物上,待成品树脂固化后得到夹心中空织物复合板;
步骤6):将腻子粉、氢氧化铝、碳酸钙、硅藻土、珍珠岩粉、玻璃微珠和成品树脂混合均匀,得到表面装饰层混合物;
步骤7):将胶黏剂涂刷在夹心中空织物复合板的表面,用刮刀在模具的表面均匀平铺装饰层混合物,然后在1Mpa压力下压制3min成型;
步骤8):常温放置1天后,切割修边,得到最终产品。
实施例二:
一种夹心中空织物复合内墙板,包括下述原料按照重量配比构成:玻璃纤维布10份、中空织物40份、树脂40份、氢氧化铝3份、碳酸钙3份、硅藻土3份、珍珠岩粉3份、玻璃微珠3份、胶黏剂10份、腻子粉10份、固化剂3份。
树脂和固化剂混合构成可以复合纤维织物的成品树脂,涂覆在中空织物的表面,氢氧化铝、碳酸钙、硅藻土、珍珠岩粉和玻璃微珠混合构成填料,填料、成品树脂和腻子粉混合后得到表面装饰层混合物,表面装饰层混合物构成内墙板的表面装饰层。
本实施例的夹心中空织物复合内墙板的制备方法,包括以下步骤:
步骤1):在模具上打蜡或者涂刷脱模剂或者铺好脱模布,将固化剂加入到树脂中搅拌2分钟,得到可以复合纤维织物的成品树脂;
步骤2):用毛刷或者刮刀在模具表面均匀平铺所述成品树脂,平铺成品树脂的面积与需要复合纤维织物的底层面积相当;
步骤3):将玻璃纤维布铺至已涂好成品树脂的模具上,并在玻璃纤维布的表面均匀涂刷成品树脂;
步骤4):将中空织物铺至已涂好成品树脂的玻璃纤维布上,再用辊子压涂所述中空织物的上表面,使中空织物底部的成品树脂被中空织物充分吸收并赶走中空织物底部的气泡,并在中空织物的表面均匀涂刷成品树脂;
步骤5):将玻璃纤维布铺至已涂好成品树脂的中空织物上,待成品树脂固化后得到夹心中空织物复合板;
步骤6):将腻子粉、氢氧化铝、碳酸钙、硅藻土、珍珠岩粉、玻璃微珠和成品树脂混合均匀,得到表面装饰层混合物;
步骤7):将胶黏剂涂刷在夹心中空织物复合板的表面,用刮刀在模具的表面均匀平铺装饰层混合物,然后在0.5Mpa压力下压制5min成型;
步骤8):常温放置1.5天后,切割修边,得到最终产品。
实施例三:
一种夹心中空织物复合内墙板,包括下述原料按照重量配比构成:玻璃纤维布20份、中空织物70份、树脂65份、氢氧化铝5份、碳酸钙5份、硅藻土5份、珍珠岩粉5份、玻璃微珠5份、胶黏剂28份、腻子粉30份、固化剂10份。
树脂和固化剂混合构成可以复合纤维织物的成品树脂,涂覆在中空织物的表面,氢氧化铝、碳酸钙、硅藻土、珍珠岩粉和玻璃微珠混合构成填料,填料、成品树脂和腻子粉混合后得到表面装饰层混合物,表面装饰层混合物构成内墙板的表面装饰层。
本实施例的夹心中空织物复合内墙板的制备方法,包括以下步骤:
步骤1):在模具上打蜡或者涂刷脱模剂或者铺好脱模布,将固化剂加入到树脂中搅拌5分钟,得到可以复合纤维织物的成品树脂;
步骤2):用毛刷或者刮刀在模具表面均匀平铺所述成品树脂,平铺成品树脂的面积与需要复合纤维织物的底层面积相当;
步骤3):将玻璃纤维布铺至已涂好成品树脂的模具上,并在玻璃纤维布的表面均匀涂刷成品树脂;
步骤4):将中空织物铺至已涂好成品树脂的玻璃纤维布上,再用辊子压涂所述中空织物的上表面,使中空织物底部的成品树脂被中空织物充分吸收并赶走中空织物底部的气泡,并在中空织物的表面均匀涂刷成品树脂;
步骤5):将玻璃纤维布铺至已涂好成品树脂的中空织物上,待成品树脂固化后得到夹心中空织物复合板;
步骤6):将腻子粉、氢氧化铝、碳酸钙、硅藻土、珍珠岩粉、玻璃微珠和成品树脂混合均匀,得到表面装饰层混合物;
步骤7):将胶黏剂涂刷在夹心中空织物复合板的表面,用刮刀在模具的表面均匀平铺装饰层混合物,然后在0.8Mpa压力下压制3min成型;
步骤8):常温放置2天后,切割修边,得到最终产品。
将本发明制备的内墙板按照国际检验方法,与现有的塑料和金属构成的内墙板进行性能对比,所得数据如表1所示:
试样 阻燃效果 耐磨转数 导热系数W/㎡*K 弹性模量MPa
现有内墙板 火焰不熄灭,有燃烧物掉下 5500 3 200
实施例一 火焰40S熄灭,无可燃物掉下 7000 0.78 415
实施例二 火焰38S熄灭,无可燃物掉下 7080 0.76 410
实施例三 火焰35S熄灭,无可燃物掉下 7150 0.75 413
表1对比实验数据
从表1可以看出,本发明的夹心中空织物复合内墙板阻燃性能、耐磨性能好,强度高,保温效果好,可规模化生产。
以上所述仅为本发明的较佳实施例而已,并不是本发明的全部实施例,不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
除说明书所述技术特征外,其余技术特征均为本领域技术人员已知技术,为了突出本发明的创新特点,上述技术特征在此不再赘述。

Claims (6)

1.一种夹心中空织物复合内墙板,其特征是,包括下述原料:中空织物20~70份、树脂20~70份、填料10~30份、胶黏剂1~30份、腻子粉1~30份、玻璃纤维布1~20份、固化剂0.1~10份,上述份数均以重量计;所述填料由氢氧化铝、碳酸钙、硅藻土、珍珠岩粉和玻璃微珠混合而成,其重量配比为1:1:1:1:1;
制备所述夹心中空织物复合内墙板的方法,包括以下步骤:
步骤1):将模具进行脱模处理,将固化剂加入到树脂中搅拌均匀,得到可以复合纤维织物的成品树脂;
步骤2):在所述模具的表面平铺所述成品树脂,平铺成品树脂的面积与需要复合纤维织物的底层面积相当;
步骤3):将玻璃纤维布铺至已涂好成品树脂的模具上,并在玻璃纤维布的表面涂刷成品树脂;
步骤4):将中空织物铺至已涂好成品树脂的玻璃纤维布上,并在中空织物的表面涂刷成品树脂;
步骤5):将玻璃纤维布铺至已涂好成品树脂的中空织物上,待成品树脂固化后得到夹心中空织物复合板。
2.根据权利要求1所述的夹心中空织物复合内墙板,其特征是,还包括以下步骤:
步骤6):将腻子粉、填料和成品树脂混合均匀,得到表面装饰层混合物;
步骤7):将胶黏剂涂刷在夹心中空织物复合板的表面,在模具的表面平铺装饰层混合物,然后压制成型;
步骤8):常温放置1~2天后,切割修边,得到最终产品。
3.根据权利要求1所述的夹心中空织物复合内墙板,其特征是,所述步骤1)中,将模具进行脱模处理的具体操作方法为:在模具上打蜡或者涂刷脱模剂或者铺好脱模布。
4.根据权利要求1所述的夹心中空织物复合内墙板,其特征是,所述步骤4)中,将中空织物铺至已涂好成品树脂的玻璃纤维布上之后,用辊子压涂所述中空织物的上表面,使中空织物底部的成品树脂被中空织物充分吸收并赶走中空织物底部的气泡。
5.根据权利要求2所述的夹心中空织物复合内墙板,其特征是,所述步骤7)中,压制成型的具体操作方法为:在0.5~1Mpa压力下压制2~5min成型。
6.根据权利要求1所述的夹心中空织物复合内墙板,其特征是,涂刷成品树脂时均为均匀涂刷。
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