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CN118438771A - 一种隔热复合板及其生产工艺 - Google Patents

一种隔热复合板及其生产工艺 Download PDF

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CN118438771A
CN118438771A CN202311089629.3A CN202311089629A CN118438771A CN 118438771 A CN118438771 A CN 118438771A CN 202311089629 A CN202311089629 A CN 202311089629A CN 118438771 A CN118438771 A CN 118438771A
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thermal insulation
heat
retardant coating
fiber
coating
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钱龙
徐炀
徐静
陶亮
刘德超
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Suzhou Qingheng Information Technology Co ltd
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Zhangjiagang Feiteng Composite New Material Co ltd
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Abstract

本发明公开了一种隔热复合板及其生产工艺。本发明提供的隔热复合板,包括基材层、隔热阻燃涂层、面板层和防水涂层,隔热阻燃涂层位于基材层的一侧,面板层一侧贴覆于隔热阻燃涂层,防水涂层涂覆于面板层的另一侧;所述隔热阻燃涂层由隔热阻燃涂料涂覆而成;所述隔热阻燃涂料采用化学改性方式,将阻燃剂接枝在聚酰胺纳米纤维上,再利用纳米纤维对二氧化硅气凝胶进行改性,制备出的改性涂料具有较好阻燃、隔热、保温、机械性能;最后经热压成型工艺制备出的隔热复合板,具有优异的阻燃、隔热、保温、防水以及机械性能。

Description

一种隔热复合板及其生产工艺
技术领域
本发明涉及隔热技术领域,具体涉及一种隔热复合板及其生产工艺。
背景技术
建筑隔热保温材料中最为普遍的是无机类的膨胀珍珠岩、玻璃棉以及有机类的聚氨酯泡沫塑料和聚苯乙烯泡沫塑料,但是这些保温材料部分具有易燃、易老化、寿命短、易开裂变形、耐磨性差等缺点,因此,这类保温材料已经逐渐被淘汰。二氧化硅气凝胶,由于其纳米多孔结构,使它的热导率极低,从而具有优异保温隔热性能,但是气凝胶的比重低、空洞壁薄,具有一定的脆性,因此不能直接用来使用,需要对其进行改性处理并作为夹层结构,从而提高板材的阻燃、隔热、保温、防水以及机械性能。
申请号为202010670401.3的专利,公开了一种复合隔热板及其制备方法,该发明同样利用夹层结构制备出复合隔热板,使其具有较好的隔热保温效果,但是该发明中的隔热涂料仅通过各组分原料物理混合的方式制备,并没有通过化学改性来改善二氧化硅气凝胶的脆性,长时间的使用后,隔热涂料在外力作用下会变形开裂。
发明内容
为了解决上述技术问题,本发明提供一种隔热复合板及其生产工艺。
本发明的目的可以通过以下技术方案实现:
一种隔热复合板,所述隔热复合板包括基材层、隔热阻燃涂层、面板层和防水涂层,隔热阻燃涂层位于基材层的一侧,面板层一侧贴覆于隔热阻燃涂层,防水涂层涂覆于面板层的另一侧;所述隔热阻燃涂层由隔热阻燃涂料涂覆而成;
隔热阻燃涂料由以下步骤制成:
步骤A1、将二甲亚砜、聚酰胺纤维和氢氧化钾置于反应器中,并将上述混合物在室温下搅拌7天,即得纳米纤维溶液;
步骤A1中采用去质子化的方式将聚酰胺纤维纳米化,在保持原本纤维优异性能的同时,改善了纤维表面化学惰性的缺点,使其表面改性变得更加容易;在去质子化过程中,聚酰胺纤维酰胺键中的H+被K+所取代,通过共价改性的方式,将阻燃剂与聚酰胺纳米纤维进行接枝,使聚酰胺纳米纤维具有较好的阻燃性能;
进一步地,步骤A1中二甲亚砜、聚酰胺纤维和氢氧化钾的用量比为500mL:1g:1.5g。
步骤A2、将磷酸三(2-氯丙基)酯加入到上述纳米纤维溶液中,并将溶液在室温下搅拌4h,得到改性纳米纤维;
步骤A2是利用磷酸三(2-氯丙基)酯中的氯离子能够与纳米纤维酰胺键中的钾离子相结合,将阻燃剂接枝在纳米纤维表面,提高了纳米纤维的阻燃性能,它在高温下会分解产生一系列的含磷自由基,这些自由基能够捕获火焰区域的H·及OH·等自由基中断聚合物燃烧链式反应及放热过程从而减缓燃烧,此外,磷系阻燃剂在燃烧过程中能够生成结构稳定的聚偏磷酸,它具有很强的脱水作用,在受热燃烧的过程中易促使聚合物碳化生成致密的炭化层,炭化层能够有效隔绝氧气,阻止材料的进一步热解从而终止燃烧;
进一步地,步骤A2中磷酸三(2-氯丙基)酯和纳米纤维溶液的用量比为40mL:3mL。
步骤A3、将十六烷基三甲基溴化铵放入反应器中,加入甲醇和乙酸,搅拌均匀,再加入正硅酸乙酯和N,N-二甲基甲酰胺,并将混合液在30℃水浴下搅拌1h,最后加入改性纳米纤维,搅拌均匀,调节pH为8,在40℃水浴下老化6h,待反应结束后,用异丙醇和正己烷各洗涤一次,在30℃下烘干12h,40℃下烘干24h,即得纤维改性二氧化硅气凝胶;
步骤A3通过引入纳米纤维作为增强相,提高了气凝胶的机械性能,改善了气凝胶的力学性能,这是由于纤维在气凝胶骨架中起支撑和桥联作用,当气凝胶受力后,能够将作用力传递给纤维,纤维会分散一部分的作用力,从而提高了气凝胶的结构稳定性;此外,二氧化硅气凝胶由于自身低密度,低热导,高孔隙率和高比表面积等特点,使其具有良好的隔热性能,它的多孔结构意味着内部孔壁交错无序排列,形成了大量的折射面和反射面,极大的增强了隔热板效应,从而降低了热辐射带来的热量传递;
进一步地,步骤A3中十六烷基三甲基溴化铵、甲醇、乙酸、正硅酸乙酯、N,N-二甲基甲酰胺和改性纳米纤维的用量比为0.25g:30mL:10mL:15mL:0.5mL:3-5g。
步骤A4、将润湿剂X-450、乳化剂OP-10和分散剂SN-50加入含有环己烷和二氯甲烷的混合液中,搅拌10min后,再加入异佛尔酮二异氰酸酯、二月桂酸二丁基锡和消泡剂搅拌均匀,在向混合液中加入环氧树脂和聚丙烯树脂,搅拌20min,再加入纤维改性二氧化硅气凝胶,搅拌至所有原料混合均匀,即得隔热阻燃涂料;
步骤A4中将环氧树脂和聚丙烯树脂作为成膜剂,纤维改性二氧化硅气凝胶作为填料,添加各种助剂增加涂料的润湿作用、消泡作用以及固化作用,经隔热阻燃涂料涂覆后的毡体,具有很好的隔热、阻燃性能;
进一步地,步骤A4中润湿剂X-450、乳化剂OP-10、分散剂SN-50、环己烷、二氯甲烷、异佛尔酮二异氰酸酯、二月桂酸二丁基锡、消泡剂、环氧树脂、聚丙烯树脂和纤维改性二氧化硅气凝胶的用量比为0.5-1.5mL:1-1.5mL:1-2mL:9-15mL:8-12mL:1.5-3mL:0.8-1.2mL:1-1.5mL:12-18mL:20-30mL:5-10g。
一种隔热复合板的生产工艺,包括如下步骤:
步骤S1、将毛毡表面清理干净,除去表面浮粉,得到预处理毡体;
步骤S2、将隔热阻燃涂料加去离子水稀释后,均匀涂覆于预处理毡体的一侧,在50℃下干燥30min,即得毡体A;
步骤S3、将面板层一侧与毡体A的隔热阻燃涂层贴覆,得到复合毡体;
步骤S4、对步骤S3所得复合毡体进行热压成型,再将木材防水剂用去离子水稀释后涂覆于面板层另一侧,即得隔热复合板;
进一步地,步骤S1中所述毛毡由30wt%聚丙烯和70wt%玻璃纤维组成;
进一步地,步骤S2中隔热阻燃涂料和去离子水的质量比为3-5:1;
进一步地,步骤S3中面板层为纤维增强树脂基复合片,其中树脂为环氧树脂、聚氨酯、酚醛树脂中的一种,纤维为玻璃纤维、碳纤维、石英纤维中的一种;
进一步地,步骤S4中木材防水剂和去离子水的用量比为10mL:1-1.5mL,所述热压成型的温度为80-150℃,压力为0.5-5Mpa。
本发明的有益效果:
本发明中所述隔热复合板,避免了粘合剂的使用,具有环保的特性,同时阻燃剂在纤维表面的接枝,赋予涂层优异的阻燃性能;此外,二氧化硅气凝胶的改性处理,赋予涂层优异的保温隔热性能;面板层表面木材防水剂的刷涂,提高了复合板的防水性能。
本发明通过去质子化将纤维纳米化,保留了纤维本身优异的强度、耐磨性以及良好的力学性能,改善了纤维表面化学惰性的缺点,使其表面改性变得更加容易;采用共价改性的方式,使磷酸三(2-氯丙基)酯中的氯离子在碱性条件下和纳米纤维酰胺键中的钾离子相结合,从而将阻燃剂接枝在聚酰胺纳米纤维上,提高了涂料的阻燃性能,这是由于阻燃剂在高温下会分解产生自由基,这些自由基能够捕获火焰区域的H·及OH·等自由基中断聚合物燃烧链式反应及放热过程从而减缓燃烧,此外,磷系阻燃剂在燃烧过程中能够生成结构稳定的聚偏磷酸,它具有很强的脱水作用,在受热燃烧的过程中易促使聚合物碳化生成致密的炭化层,炭化层能够有效隔绝氧气,阻止材料的进一步热解从而终止燃烧。
二氧化硅气凝胶具有良好的隔热性能,这是由于其自身低密度,低热导,高孔隙率和高比表面积等特点,它的多孔结构意味着内部孔壁交错无序排列,形成了大量的折射面和反射面,极大的增强了隔热板效应,从而降低了热辐射带来的热量传递;将纳米纤维作为增强相,提高了气凝胶的机械性能,改善了气凝胶的力学性能,这是由于纤维在气凝胶骨架中起支撑和桥联作用,当气凝胶受力后,能够将作用力传递给纤维,纤维会分散一部分的作用力。
具体实施方式
下面将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作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1
所述隔热阻燃涂料由以下步骤制成:
步骤A1、将二甲亚砜、聚酰胺纤维和氢氧化钾置于反应器中,并将上述混合物在室温下搅拌7天,即得纳米纤维溶液,二甲亚砜、聚酰胺纤维和氢氧化钾的用量比为500mL:1g:1.5g;
步骤A2、将磷酸三(2-氯丙基)酯加入到上述纳米纤维溶液中,并将溶液在室温下搅拌4h,得到改性纳米纤维,磷酸三(2-氯丙基)酯和纳米纤维溶液的用量比为40mL:3mL;
步骤A3、将十六烷基三甲基溴化铵放入反应器中,加入甲醇和乙酸,搅拌均匀,再加入正硅酸乙酯和N,N-二甲基甲酰胺,并将混合液在30℃水浴下搅拌1h,最后加入改性纳米纤维,搅拌均匀,调节pH为8,在40℃水浴下老化6h,待反应结束后,用异丙醇和正己烷各洗涤一次,在30℃下烘干12h,40℃下烘干24h,即得纤维改性二氧化硅气凝胶,十六烷基三甲基溴化铵、甲醇、乙酸、正硅酸乙酯、N,N-二甲基甲酰胺和改性纳米纤维的用量比为0.25g:30mL:10mL:15mL:0.5mL:3g;
步骤A4、将润湿剂X-450、乳化剂OP-10和分散剂SN-50加入含有环己烷和二氯甲烷的混合液中,搅拌10min后,再加入异佛尔酮二异氰酸酯、二月桂酸二丁基锡和消泡剂搅拌均匀,在向混合液中加入环氧树脂和聚丙烯树脂,搅拌20min,再加入纤维改性二氧化硅气凝胶,搅拌至所有原料混合均匀,即得隔热阻燃涂料,润湿剂X-450、乳化剂OP-10、分散剂SN-50、环己烷、二氯甲烷、异佛尔酮二异氰酸酯、二月桂酸二丁基锡、消泡剂、环氧树脂、聚丙烯树脂和纤维改性二氧化硅气凝胶的用量比为0.5mL:1mL:1mL:9mL:8mL:1.5mL:0.8mL:1mL:12mL:20mL:5g。
实施例2
所述隔热阻燃涂料由以下步骤制成:
步骤A1、将二甲亚砜、聚酰胺纤维和氢氧化钾置于反应器中,并将上述混合物在室温下搅拌7天,即得纳米纤维溶液,二甲亚砜、聚酰胺纤维和氢氧化钾的用量比为500mL:1g:1.5g;
步骤A2、将磷酸三(2-氯丙基)酯加入到上述纳米纤维溶液中,并将溶液在室温下搅拌4h,得到改性纳米纤维,磷酸三(2-氯丙基)酯和纳米纤维溶液的用量比为40mL:3mL;
步骤A3、将十六烷基三甲基溴化铵放入反应器中,加入甲醇和乙酸,搅拌均匀,再加入正硅酸乙酯和N,N-二甲基甲酰胺,并将混合液在30℃水浴下搅拌1h,最后加入改性纳米纤维,搅拌均匀,调节pH为8,在40℃水浴下老化6h,待反应结束后,用异丙醇和正己烷各洗涤一次,在30℃下烘干12h,40℃下烘干24h,即得纤维改性二氧化硅气凝胶,十六烷基三甲基溴化铵、甲醇、乙酸、正硅酸乙酯、N,N-二甲基甲酰胺和改性纳米纤维的用量比为0.25g:30mL:10mL:15mL:0.5mL:4g;
步骤A4、将润湿剂X-450、乳化剂OP-10和分散剂SN-50加入含有环己烷和二氯甲烷的混合液中,搅拌10min后,再加入异佛尔酮二异氰酸酯、二月桂酸二丁基锡和消泡剂搅拌均匀,在向混合液中加入环氧树脂和聚丙烯树脂,搅拌20min,再加入纤维改性二氧化硅气凝胶,搅拌至所有原料混合均匀,即得隔热阻燃涂料,润湿剂X-450、乳化剂OP-10、分散剂SN-50、环己烷、二氯甲烷、异佛尔酮二异氰酸酯、二月桂酸二丁基锡、消泡剂、环氧树脂、聚丙烯树脂和纤维改性二氧化硅气凝胶的用量比为1mL:1.2mL:1.5mL:12mL:10mL:2.4mL:1mL:1.2mL:15mL:25mL:7g。
实施例3
所述隔热阻燃涂料由以下步骤制成:
步骤A1、将二甲亚砜、聚酰胺纤维和氢氧化钾置于反应器中,并将上述混合物在室温下搅拌7天,即得纳米纤维溶液,二甲亚砜、聚酰胺纤维和氢氧化钾的用量比为500mL:1g:1.5g;
步骤A2、将磷酸三(2-氯丙基)酯加入到上述纳米纤维溶液中,并将溶液在室温下搅拌4h,得到改性纳米纤维,磷酸三(2-氯丙基)酯和纳米纤维溶液的用量比为40mL:3mL;
步骤A3、将十六烷基三甲基溴化铵放入反应器中,加入甲醇和乙酸,搅拌均匀,再加入正硅酸乙酯和N,N-二甲基甲酰胺,并将混合液在30℃水浴下搅拌1h,最后加入改性纳米纤维,搅拌均匀,调节pH为8,在40℃水浴下老化6h,待反应结束后,用异丙醇和正己烷各洗涤一次,在30℃下烘干12h,40℃下烘干24h,即得纤维改性二氧化硅气凝胶,十六烷基三甲基溴化铵、甲醇、乙酸、正硅酸乙酯、N,N-二甲基甲酰胺和改性纳米纤维的用量比为0.25g:30mL:10mL:15mL:0.5mL:5g;
步骤A4、将润湿剂X-450、乳化剂OP-10和分散剂SN-50加入含有环己烷和二氯甲烷的混合液中,搅拌10min后,再加入异佛尔酮二异氰酸酯、二月桂酸二丁基锡和消泡剂搅拌均匀,在向混合液中加入环氧树脂和聚丙烯树脂,搅拌20min,再加入纤维改性二氧化硅气凝胶,搅拌至所有原料混合均匀,即得隔热阻燃涂料,润湿剂X-450、乳化剂OP-10、分散剂SN-50、环己烷、二氯甲烷、异佛尔酮二异氰酸酯、二月桂酸二丁基锡、消泡剂、环氧树脂、聚丙烯树脂和纤维改性二氧化硅气凝胶的用量比为1.5mL:1.5mL:2mL:15mL:12mL:3mL:1.2mL:1.5mL:18mL:30mL:10g。
实施例4
一种隔热复合板的生产工艺,包括如下步骤:
步骤S1、将毛毡表面清理干净,除去表面浮粉,得到预处理毡体,毛毡由30wt%聚丙烯和70wt%玻璃纤维组成;
步骤S2、将实施例2制备的隔热阻燃涂料加去离子水稀释后,均匀涂覆于预处理毡体的一侧,在50℃下干燥30min,即得毡体A,实施例2制备的隔热阻燃涂料和去离子水的质量比为3:1;
步骤S3、将玻璃纤维增强环氧树脂基复合片与毡体A的隔热阻燃涂层贴覆,
得到复合毡体;
步骤S4、对步骤S3所得复合毡体进行热压成型,再将BBCN木材防水剂用去离子水稀释后涂覆于玻璃纤维增强环氧树脂基复合片的另一侧,即得隔热复合板,BBCN木材防水剂和去离子水的用量比为10mL:1mL,热压成型的温度为80℃,压力为0.5Mpa。
实施例5
一种隔热复合板的生产工艺,包括如下步骤:
步骤S1、将毛毡表面清理干净,除去表面浮粉,得到预处理毡体,毛毡由30wt%聚丙烯和70wt%玻璃纤维组成;
步骤S2、将实施例2制备的隔热阻燃涂料加去离子水稀释后,均匀涂覆于预处理毡体的一侧,实施例2制备的隔热阻燃涂料和去离子水的质量比为4:1;
步骤S3、将石英纤维增强聚氨酯基复合片与毡体A的隔热阻燃涂层贴覆,
得到复合毡体;
步骤S4、对步骤S3所得复合毡体进行热压成型,再将BBCN木材防水剂用去离子水稀释后涂覆于石英纤维增强聚氨酯基复合片的另一侧,即得隔热复合板,BBCN木材防水剂和去离子水的用量比为10mL:1.2mL,热压成型的温度为120℃,压力为3Mpa。
实施例6
一种隔热复合板的生产工艺,包括如下步骤:
步骤S1、将毛毡表面清理干净,除去表面浮粉,得到预处理毡体,毛毡由30wt%聚丙烯和70wt%玻璃纤维组成;
步骤S2、将实施例2制备的隔热阻燃涂料加去离子水稀释后,均匀涂覆于预处理毡体的一侧,在50℃下干燥30min,即得毡体A,实施例2制备的隔热阻燃涂料和去离子水的质量比为5:1;
步骤S3、将碳纤维增强酚醛树脂基复合片与毡体A的隔热阻燃涂层贴覆,
得到复合毡体;
步骤S4、对步骤S3所得复合毡体进行热压成型,再将BBCN木材防水剂用去离子水稀释后涂覆于碳纤维增强酚醛树脂基复合片的另一侧,即得隔热复合板,BBCN木材防水剂和去离子水的用量比为10mL:1.5mL,热压成型的温度为150℃,压力为5Mpa。
对比例1
本对比例为一种隔热板,与实施例5的区别在于没有用防水剂对面板层进行涂覆,其余均相同。
对比例2
本对比例为一种隔热板,与实施例5的区别在于隔热阻燃涂料中纳米纤维没有采用阻燃剂接枝,其余均相同。
对比例3
本对比例为一种隔热板,与实施例5的区别在于隔热阻燃涂料中没有对二氧化硅气凝胶进行改性,其余均相同。
将实施例4-6和对比例1-3制备得到的隔热复合板进行性能测试,测试结果如表1所示:
柔韧性 水接触角(°) 抗压强度(kPa) 阻燃等级 导热系数(W/(m·k))
实施例4 1mm 141±2 215 V0 0.012
实施例5 1mm 149±2 226 V0 0.009
实施例6 1mm 146±2 217 V0 0.013
对比例1 1mm 49±2 216 V0 0.012
对比例2 1mm 145±2 215 V2 0.013
对比例3 3mm 146±2 150 V2 0.023
从表1可以看出,隔热复合板的导热系数在0.013W/(m·k)以下,具有较好的保温隔热性能,抗压强度在218-217kPa之间,抗压强度较好,水的接触角在141°±2°-149°±2°之间,具有较好的防水性能,阻燃等级为V0,具有较好的阻燃性能,并且隔热阻燃涂料的柔韧性较好。
柔韧性测试:按照GB/T 1731-2020,测定隔热阻燃涂料在不同直径的轴棒一起发生变形而不破损的能力,轴棒直径分别为15mm、10mm、5mm、4mm、3mm、2mm、1mm,轴棒直径越小,表示涂料的柔韧性越好;
防水测试:用静态滴接触角和界面张力测量仪测试面板层上表面的水接触角;
抗压强度测试:按照GB/T 8813-2008《建筑材料抗压强度试验方法》进行抗压测试;
阻燃等级测试:用火焰对毡体A的表面进行两次10s燃烧;
热导系数测试:采用导热测定仪测定样品内部的温度分布和穿透样品的热流来确定样品的导热系数。
以上内容仅仅是对本发明的构思所作的举例和说明,所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离发明的构思或者超越本权利要求书所定义的范围,均应属于本发明的保护范围。

Claims (10)

1.一种隔热复合板,其特征在于,所述隔热复合板包括基材层、隔热阻燃涂层、面板层和防水涂层,隔热阻燃涂层位于基材层的一侧,面板层一侧贴覆于隔热阻燃涂层,防水涂层涂覆于面板层的另一侧;所述隔热阻燃涂层由隔热阻燃涂料涂覆而成;
隔热阻燃涂料由以下步骤制成:
步骤A1、将二甲亚砜、聚酰胺纤维和氢氧化钾置于反应器中,并将上述混合物在室温下搅拌7天,即得纳米纤维溶液;
步骤A2、将磷酸三(2-氯丙基)酯加入到上述纳米纤维溶液中,并将溶液在室温下搅拌4h,得到改性纳米纤维;
步骤A3、将十六烷基三甲基溴化铵放入反应器中,加入甲醇和乙酸,搅拌均匀,再加入正硅酸乙酯和N,N-二甲基甲酰胺,并将混合液在30℃水浴下搅拌1h,最后加入改性纳米纤维,搅拌均匀,调节pH为8,在40℃水浴下老化6h,待反应结束后,用异丙醇和正己烷各洗涤一次,在30℃下烘干12h,40℃下烘干24h,即得纤维改性二氧化硅气凝胶;
步骤A4、将润湿剂、乳化剂和分散剂加入含有环己烷和二氯甲烷的混合液中,搅拌10min后,再加入异佛尔酮二异氰酸酯、二月桂酸二丁基锡和消泡剂搅拌均匀,在向混合液中加入环氧树脂和聚丙烯树脂,搅拌20min,再加入纤维改性二氧化硅气凝胶,搅拌至所有原料混合均匀,即得隔热阻燃涂料。
2.根据权利要求1所述的一种隔热复合板,其特征在于,步骤A1中二甲亚砜、聚酰胺纤维和氢氧化钾的用量比为500mL:1g:1.5g。
3.根据权利要求1所述的一种隔热复合板,其特征在于,步骤A2中磷酸三(2-氯丙基)酯和纳米纤维溶液的用量比为40mL:3mL。
4.根据权利要求1所述的一种隔热复合板,其特征在于,步骤A3中十六烷基三甲基溴化铵、甲醇、乙酸、正硅酸乙酯、N,N-二甲基甲酰胺和改性纳米纤维的用量比为0.25g:30mL:10mL:15mL:0.5mL:3-5g。
5.根据权利要求1所述的一种隔热复合板,其特征在于,步骤A4中润湿剂、乳化剂、分散剂、环己烷、二氯甲烷、异佛尔酮二异氰酸酯、二月桂酸二丁基锡、消泡剂、环氧树脂、聚丙烯树脂和纤维改性二氧化硅气凝胶的用量比为0.5-1.5mL:1-1.5mL:1-2mL:9-15mL:8-12mL:1.5-3mL:0.8-1.2mL:1-1.5mL:12-18mL:20-30mL:5-10g。
6.根据权利要求1所述的一种隔热复合板的生产工艺,其特征在于,包括如下步骤:
步骤S1、将毛毡表面清理干净,除去表面浮粉,得到预处理毡体;
步骤S2、将隔热阻燃涂料加去离子水稀释后,均匀涂覆于预处理毡体的一侧,在50℃下干燥30min,即得毡体A;
步骤S3、将面板层一侧与毡体A的隔热阻燃涂层贴覆,得到复合毡体;
步骤S4、对步骤S3所得复合毡体进行热压成型,再将木材防水剂用去离子水稀释后涂覆于面板层另一侧,即得隔热复合板。
7.根据权利要求6所述的一种隔热复合板的生产工艺,其特征在于,步骤S1中毛毡由30wt%聚丙烯和70wt%玻璃纤维组成。
8.根据权利要求6所述的一种隔热复合板的生产工艺,其特征在于,步骤S2中隔热阻燃涂料和去离子水的质量比为3-5:1。
9.根据权利要求6所述的一种隔热复合板的生产工艺,其特征在于,步骤S3中面板层为纤维增强树脂基复合片,其中树脂为环氧树脂、聚氨酯、酚醛树脂中的一种,纤维为玻璃纤维、碳纤维、石英纤维中的一种。
10.根据权利要求6所述的一种隔热复合板的生产工艺,其特征在于,步骤S4中木材防水剂和去离子水的用量比为10mL:1-1.5mL,热压成型的温度为80-150℃,压力为0.5-5Mpa。
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