CN109235118A - 一种阻燃防水玻璃纤维增强装饰板的制备方法 - Google Patents

一种阻燃防水玻璃纤维增强装饰板的制备方法 Download PDF

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CN109235118A
CN109235118A CN201811099026.0A CN201811099026A CN109235118A CN 109235118 A CN109235118 A CN 109235118A CN 201811099026 A CN201811099026 A CN 201811099026A CN 109235118 A CN109235118 A CN 109235118A
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方建波
章红英
王素香
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Abstract

本发明公开了一种阻燃防水玻璃纤维增强装饰板的制备方法,属于板材制备技术领域。将硅藻土‑聚磷酸铵复合阻燃填料以浆内添加的方法填入木浆纤维中,硅藻土的主要成分是二氧化硅,可以代替高分子粘结剂在木浆纤维中形成带有正电的硅胶,同时聚磷酸铵分解产生的氨气和水蒸气等可在气相产生阻燃作用,抑制了纸张纤维分解产物气相燃烧的进行,本发明用聚氧乙烯辛基苯酚醚乳化液体石蜡为原料得到乳化石蜡,乳化石蜡与丙烯酸单体在硫代硫酸钾的引发下乳化反应得到改性乳化液体石蜡,湿法成型后压制于纤维表面阻碍水分的进入,它们的键能较大且是憎水基团,有利于防水性能的提高,从而使装饰板具有持久的防水性能,应用前景广阔。

Description

一种阻燃防水玻璃纤维增强装饰板的制备方法
技术领域
本发明公开了一种阻燃防水玻璃纤维增强装饰板的制备方法,属于板材制备技术领域。
背景技术
装饰板是一种人造板材。它是用多种专用纸张经过化学处理后,用高温高压胶合剂制成的热固性层积塑料,板面具有各种木纹或图案,光亮平整,色泽鲜艳美观。许多高级房舍的墙壁、屋顶,制作讲究的柜、橱、桌、床,精密仪器的工作台,实验室的实验台、电视机、收音机以及其它广播电讯设备的外壳,大都采用这种新型的装饰板。
在建筑装饰和家具制造行业中,装饰板被大量应用,现有的装饰板主要以大理石、木材为主。以大理石为主体材料制得的装饰板材质坚硬且使用寿命长,但是大理石板材没有塑性,运输过程中容易破碎。以木材为主题材料制得的装饰板主要是这种板材不耐火且不防水。具有防火功能的传统防火板主要由几百层牛皮纸和外侧装饰纸热压制得,这种板材虽然具有一定的防火功能,但是其分量重,这种板材长期使用后外侧装饰纸容易脱落并断裂,使用寿命不长。
随着社会的进步和科技的发展,建筑防水材料也得到了发展。建筑材料防水性能的优劣,直接影响到建筑物和构筑物的正常使用和寿命。现有装饰板种类很多,有防火板,水晶板,吸塑板,三聚氰胺板等,但这些板材都只能防潮而不能防水,且在板体上有接缝,影响装饰板的整体美观性。关于防水装饰板的报道很少。
目前用石膏所做的装饰板基本上都是用来做吊顶装饰板,它具有美观漂亮、轻巧的优点,但也存在如下缺点:不防水:因石膏板未作处理,极易吸水,吸水后容易膨胀变形。而现有墙面装饰板均为单面型墙面装饰板,即是在基材的朝外面固定有一层带图案花纹的外薄板,而贴墙面却未作防水处理,未固定内薄板,一到雨季墙面受潮,墙面装饰板就会吸收墙面湿气,发生霉变,出现很多霉点或霉块,影响美观,并且墙面装饰板一般都不具有防火功能,极易助燃,不符合防火要求。
因此,发明一种阻燃防水玻璃纤维增强装饰板对板材制备技术领域具有积极意义。
发明内容
本发明主要解决的技术问题,针对目前现有墙面装饰板的贴墙面一般未作防水处理,一到雨季墙面受潮,墙面装饰板就会吸收墙面湿气,易发生霉变,并且墙面装饰板一般都不具有防火功能,极易助燃,不符合防火要求的缺陷,提供了一种阻燃防水玻璃纤维增强装饰板的制备方法。
为了解决上述技术问题,本发明所采用的技术方案是:
一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于具体制备步骤为:
(1)将100~110mL液体石蜡与200~220mL蒸馏水混合放入带有搅拌器的双口烧瓶中,加热升温,将3~5g聚氧乙烯辛基苯酚醚加入100~120mL蒸馏水中,搅拌10~15min,得到水乳液,将水乳液预热后,加入双口烧瓶中,启动搅拌器,以200~230r/min的转速搅拌,搅拌乳化,得到乳化液体石蜡;
(2)将0.8~1.0g聚氧乙烯辛基苯酚醚加入40~50mL丙烯酸中,搅拌20~25min,得到乳化丙烯酸,将乳化丙烯酸和乳化液体石蜡置于带有搅拌器和滴液漏斗的三口烧瓶中,加热升温,启动搅拌器以300~350r/min的转速搅拌乳化20~30min后,用滴液漏斗向三口烧瓶滴加40~45mL硫代硫酸钾溶液,滴加完毕后,搅拌反应,得到改性乳化液体石蜡;
(3)量取60~65mL磷酸溶液倒入带有导气管的三口烧瓶中,油浴加热升温后,向三口烧瓶中加入尿素,继续升温至一定温度后,停止加热,向三口烧瓶中加入10~12g硅藻土,保温,得到产物;
(4)将上述产物倒入托盘转移至烘箱中,固化干燥后,放入研钵中研磨30~35min,得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料混合得到混合木浆,将混合木浆放入盘磨机中盘磨100~150次,得到原纤化纤维浆;
(5)将200~300mL原纤化纤维浆和20~30g玻璃纤维置于疏解机中,疏解后,转移至湿法成型器中,向湿法成型器中加入20~30gPPE树脂、改性乳化液体石蜡,湿法成型20~25min,得到玻璃纤维增强抄片;
(6)将硫酸溶液与硫酸钠溶液混合得到凝固浴,将玻璃纤维增强抄片置于凝固浴中浸渍后取出,先水洗再用乙醇洗涤3~5次,随后放入三聚氰胺树脂溶液中浸渍,三聚氰胺树脂溶液由三聚氰胺和乙二醇等质量复配而成,在浸胶机中以15m/min的速度进行浸渍,完全浸润得到浸胶抄片,随后将浸胶抄片热压粘结40~50min,得到阻燃防水玻璃纤维增强装饰板。
步骤(1)所述的双口烧瓶加热升温后温度为60~65℃,水乳液预热后温度为60~65℃,搅拌乳化时间为40~45min。
步骤(2)所述的加热升温后温度为70~75℃,滴液漏斗滴加速率为5~7mL/min,硫代硫酸钾溶液的质量分数为10%,搅拌反应时间为40~50min。
步骤(3)所述的磷酸溶液的浓度为0.4mol/L,油浴加热升温后温度为70~80℃,控制磷酸与尿素的摩尔比为1︰1.8,升温速率为2~3℃/min,升温后温度为130~135℃,保温时间为20~30min。
步骤(4)所述的烘箱设定温度为200~210℃,固化干燥时间为2~3h,针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料混合质量比为8︰3︰1。
步骤(5)所述的疏解机转速为1800~2000r/min,疏解时间为15~20min,湿法成型时间为20~25min。
步骤(6)所述的硫酸溶液的质量分数为45%,硫酸钠溶液的质量分数为35%,硫酸溶液与硫酸钠溶液混合体积比为3︰1,浸渍时间为40~45min,热压粘结压力为 2.0~2.5Mpa、温度为140~160℃。
本发明的有益效果是:
(1)本发明将液体石蜡乳化后与乳化丙烯酸混合,添加引发剂加热反应得到改性乳化液体石蜡,将磷酸与尿素混合反应后掺入硅藻土保温复合,经干燥研磨得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料按一定质量比混合,经盘磨得到原纤化纤维浆,将原纤化纤维浆和玻璃纤维混合疏解后,添加改性乳化液体石蜡经湿法成型得到玻璃纤维增强抄片,将玻璃纤维增强抄片放入凝固浴中浸渍后,经浸胶再热压粘结得到阻燃防水玻璃纤维增强装饰板,将硅藻土-聚磷酸铵复合阻燃填料以浆内添加的方法填入木浆纤维中,硅藻土的主要成分是二氧化硅,可以代替高分子粘结剂在木浆纤维中形成带有正电的硅胶,将周围带负电的木浆纤维聚集粘结,使玻璃纤维与木浆纤维粘合作用增强,经盘磨原纤化形成致密的原纤化纤维网,增大了二氧化硅的裸露表面积,提升阻燃性能,聚磷酸铵受热易分解产生磷酸使纤维脱水,高温下可进一步生成坚固硬壳的固相层聚磷酸或聚偏磷酸覆盖纤维表面,这些反应可促进纸张纤维炭化导致热解产物不完全氧化,同时聚磷酸铵分解产生的氨气和水蒸气等可在气相产生阻燃作用,抑制了纸张纤维分解产物气相燃烧的进行,导致一氧化碳释放量加剧,从而提高装饰板的阻燃性能;
(2)本发明用聚氧乙烯辛基苯酚醚乳化液体石蜡为原料得到乳化石蜡,乳化石蜡与丙烯酸单体在硫代硫酸钾的引发下乳化反应得到改性乳化液体石蜡,石蜡的微小液滴在木浆纤维中均匀分布,湿法成型后压制于纤维表面阻碍水分的进入,改性乳化石蜡中存在羧基可与木质纤维中的羟基发生酯化反应,拉近了木浆纤维间的距离,也使暴露的羟基含量减少,从而使玻璃纤维增强装饰板的耐水性提高,玻璃纤维增强抄片以三聚氰胺树脂溶液作为浸胶,浸胶的极性弱,不易受湿气侵蚀,并且三聚氰胺不含碳,阻燃性高,高温条件时直接分解升华,使装饰板燃烧时不会产生大量烟气,改性乳化液体石蜡的主体部分液体石蜡是直链烷烃结构,存在大量的甲基和亚甲基,它们的键能较大且是憎水基团,有利于防水性能的提高,液体石蜡在硅藻土的微孔吸附作用下,装饰板中内部储存不会渗出,从而使装饰板具有持久的防水性能,应用前景广阔。
具体实施方式
将100~110mL液体石蜡与200~220mL蒸馏水混合放入带有搅拌器的双口烧瓶中,加热升温至60~65℃,将3~5g聚氧乙烯辛基苯酚醚加入100~120mL蒸馏水中,搅拌10~15min,得到水乳液,将水乳液预热至60~65℃后,加入双口烧瓶中,启动搅拌器,以200~230r/min的转速搅拌,搅拌乳化40~45min,得到乳化液体石蜡;将0.8~1.0g聚氧乙烯辛基苯酚醚加入40~50mL丙烯酸中,搅拌20~25min,得到乳化丙烯酸,将乳化丙烯酸和乳化液体石蜡置于带有搅拌器和滴液漏斗的三口烧瓶中,加热升温至70~75℃,启动搅拌器以300~350r/min的转速搅拌乳化20~30min后,用滴液漏斗以5~7mL/min的滴加速率,向三口烧瓶滴加40~45mL质量分数为10%的硫代硫酸钾溶液,滴加完毕后,搅拌反应40~50min,得到改性乳化液体石蜡;量取60~65mL浓度为0.4mol/L的磷酸溶液倒入带有导气管的三口烧瓶中,油浴加热升温至70~80℃后,向三口烧瓶中加入尿素,控制磷酸与尿素的摩尔比为1︰1.8,继续以2~3℃/min的升温速率升温至130~135℃时,停止加热,向三口烧瓶中加入10~12g硅藻土,保温20~30min,得到产物;将上述产物倒入托盘转移至设定温度为200~210℃的烘箱中,固化干燥2~3h后,放入研钵中研磨30~35min,得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料按质量比为8︰3︰1混合得到混合木浆,将混合木浆放入盘磨机中盘磨100~150次,得到原纤化纤维浆;将200~300mL原纤化纤维浆和20~30g玻璃纤维置于疏解机中,以1800~2000r/min的转速疏解15~20min后,转移至湿法成型器中,向湿法成型器中加入20~30gPPE树脂、改性乳化液体石蜡,湿法成型20~25min,得到玻璃纤维增强抄片;将质量分数为45%的硫酸溶液与质量分数为35%的硫酸钠溶液按体积比为3︰1混合得到凝固浴,将玻璃纤维增强抄片置于凝固浴中浸渍40~45min后取出,先水洗再用乙醇洗涤3~5次,随后放入三聚氰胺树脂溶液中浸渍,三聚氰胺树脂溶液由三聚氰胺和乙二醇等质量复配而成,在浸胶机中以15m/min的速度进行浸渍,完全浸润得到浸胶抄片,随后在压力为 2.0~2.5Mpa、温度为140~160℃条件下,将浸胶抄片热压粘结40~50min,得到阻燃防水玻璃纤维增强装饰板。
实例1
将100mL液体石蜡与200mL蒸馏水混合放入带有搅拌器的双口烧瓶中,加热升温至60℃,将3g聚氧乙烯辛基苯酚醚加入100mL蒸馏水中,搅拌10min,得到水乳液,将水乳液预热至60℃后,加入双口烧瓶中,启动搅拌器,以200r/min的转速搅拌,搅拌乳化40min,得到乳化液体石蜡;将0.8g聚氧乙烯辛基苯酚醚加入40mL丙烯酸中,搅拌20min,得到乳化丙烯酸,将乳化丙烯酸和乳化液体石蜡置于带有搅拌器和滴液漏斗的三口烧瓶中,加热升温至70℃,启动搅拌器以300r/min的转速搅拌乳化20min后,用滴液漏斗以5mL/min的滴加速率,向三口烧瓶滴加40mL质量分数为10%的硫代硫酸钾溶液,滴加完毕后,搅拌反应40min,得到改性乳化液体石蜡;量取60mL浓度为0.4mol/L的磷酸溶液倒入带有导气管的三口烧瓶中,油浴加热升温至70℃后,向三口烧瓶中加入尿素,控制磷酸与尿素的摩尔比为1︰1.8,继续以2℃/min的升温速率升温至130℃时,停止加热,向三口烧瓶中加入10g硅藻土,保温20min,得到产物;将上述产物倒入托盘转移至设定温度为200℃的烘箱中,固化干燥2h后,放入研钵中研磨30min,得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料按质量比为8︰3︰1混合得到混合木浆,将混合木浆放入盘磨机中盘磨100次,得到原纤化纤维浆;将200mL原纤化纤维浆和20g玻璃纤维置于疏解机中,以1800r/min的转速疏解15min后,转移至湿法成型器中,向湿法成型器中加入20gPPE树脂、改性乳化液体石蜡,湿法成型20min,得到玻璃纤维增强抄片;将质量分数为45%的硫酸溶液与质量分数为35%的硫酸钠溶液按体积比为3︰1混合得到凝固浴,将玻璃纤维增强抄片置于凝固浴中浸渍40min后取出,先水洗再用乙醇洗涤3次,随后放入三聚氰胺树脂溶液中浸渍,三聚氰胺树脂溶液由三聚氰胺和乙二醇等质量复配而成,在浸胶机中以15m/min的速度进行浸渍,完全浸润得到浸胶抄片,随后在压力为 2.0Mpa、温度为140℃条件下,将浸胶抄片热压粘结40min,得到阻燃防水玻璃纤维增强装饰板。
实例2
将105mL液体石蜡与210mL蒸馏水混合放入带有搅拌器的双口烧瓶中,加热升温至62℃,将4g聚氧乙烯辛基苯酚醚加入110mL蒸馏水中,搅拌12min,得到水乳液,将水乳液预热至62℃后,加入双口烧瓶中,启动搅拌器,以215r/min的转速搅拌,搅拌乳化42min,得到乳化液体石蜡;将0.9g聚氧乙烯辛基苯酚醚加入45mL丙烯酸中,搅拌22min,得到乳化丙烯酸,将乳化丙烯酸和乳化液体石蜡置于带有搅拌器和滴液漏斗的三口烧瓶中,加热升温至72℃,启动搅拌器以320r/min的转速搅拌乳化25min后,用滴液漏斗以6mL/min的滴加速率,向三口烧瓶滴加42mL质量分数为10%的硫代硫酸钾溶液,滴加完毕后,搅拌反应42min,得到改性乳化液体石蜡;量取62mL浓度为0.4mol/L的磷酸溶液倒入带有导气管的三口烧瓶中,油浴加热升温至75℃后,向三口烧瓶中加入尿素,控制磷酸与尿素的摩尔比为1︰1.8,继续以2℃/min的升温速率升温至132℃时,停止加热,向三口烧瓶中加入11g硅藻土,保温25min,得到产物;将上述产物倒入托盘转移至设定温度为205℃的烘箱中,固化干燥2.5h后,放入研钵中研磨32min,得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料按质量比为8︰3︰1混合得到混合木浆,将混合木浆放入盘磨机中盘磨120次,得到原纤化纤维浆;将250mL原纤化纤维浆和25g玻璃纤维置于疏解机中,以1900r/min的转速疏解17min后,转移至湿法成型器中,向湿法成型器中加入25gPPE树脂、改性乳化液体石蜡,湿法成型22min,得到玻璃纤维增强抄片;将质量分数为45%的硫酸溶液与质量分数为35%的硫酸钠溶液按体积比为3︰1混合得到凝固浴,将玻璃纤维增强抄片置于凝固浴中浸渍42min后取出,先水洗再用乙醇洗涤4次,随后放入三聚氰胺树脂溶液中浸渍,三聚氰胺树脂溶液由三聚氰胺和乙二醇等质量复配而成,在浸胶机中以15m/min的速度进行浸渍,完全浸润得到浸胶抄片,随后在压力为 2.2Mpa、温度为150℃条件下,将浸胶抄片热压粘结45min,得到阻燃防水玻璃纤维增强装饰板。
实例3
将110mL液体石蜡与220mL蒸馏水混合放入带有搅拌器的双口烧瓶中,加热升温至65℃,将5g聚氧乙烯辛基苯酚醚加入120mL蒸馏水中,搅拌15min,得到水乳液,将水乳液预热至65℃后,加入双口烧瓶中,启动搅拌器,以230r/min的转速搅拌,搅拌乳化45min,得到乳化液体石蜡;将1.0g聚氧乙烯辛基苯酚醚加入50mL丙烯酸中,搅拌25min,得到乳化丙烯酸,将乳化丙烯酸和乳化液体石蜡置于带有搅拌器和滴液漏斗的三口烧瓶中,加热升温至75℃,启动搅拌器以350r/min的转速搅拌乳化30min后,用滴液漏斗以7mL/min的滴加速率,向三口烧瓶滴加45mL质量分数为10%的硫代硫酸钾溶液,滴加完毕后,搅拌反应50min,得到改性乳化液体石蜡;量取65mL浓度为0.4mol/L的磷酸溶液倒入带有导气管的三口烧瓶中,油浴加热升温至80℃后,向三口烧瓶中加入尿素,控制磷酸与尿素的摩尔比为1︰1.8,继续以3℃/min的升温速率升温至135℃时,停止加热,向三口烧瓶中加入12g硅藻土,保温30min,得到产物;将上述产物倒入托盘转移至设定温度为210℃的烘箱中,固化干燥3h后,放入研钵中研磨35min,得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料按质量比为8︰3︰1混合得到混合木浆,将混合木浆放入盘磨机中盘磨150次,得到原纤化纤维浆;将300mL原纤化纤维浆和30g玻璃纤维置于疏解机中,以2000r/min的转速疏解20min后,转移至湿法成型器中,向湿法成型器中加入30gPPE树脂、改性乳化液体石蜡,湿法成型25min,得到玻璃纤维增强抄片;将质量分数为45%的硫酸溶液与质量分数为35%的硫酸钠溶液按体积比为3︰1混合得到凝固浴,将玻璃纤维增强抄片置于凝固浴中浸渍45min后取出,先水洗再用乙醇洗涤5次,随后放入三聚氰胺树脂溶液中浸渍,三聚氰胺树脂溶液由三聚氰胺和乙二醇等质量复配而成,在浸胶机中以15m/min的速度进行浸渍,完全浸润得到浸胶抄片,随后在压力为 2.5Mpa、温度为160℃条件下,将浸胶抄片热压粘结50min,得到阻燃防水玻璃纤维增强装饰板。
对比例
以深圳某公司生产的阻燃防水玻璃纤维增强装饰板作为对比例 对本发明制得的阻燃防水玻璃纤维增强装饰板和对比例中的阻燃防水玻璃纤维增强装饰板进行性能检测,检测结果如表1所示:
测试方法:
防火性测试:将实例1~3和对比例中的装饰板制成规格为2440mm×1220mm×10mm的装饰板为样品,按GB20286-2006《公共场所阻燃制品及组件燃烧性能要求和标识》进行燃烧性能检验,得出如下检验结果:
燃烧增长速率指数测试按GB20284-2006的标准进行检测。
600s内总热释放量测试按GB20284-2006的标准进行检测。
火焰横向蔓延长度测试按GB20284-2006的标准进行检测。
烟气生产速率指数测试按GB20284-2006的标准进行检测。
600s内总产烟量测试按GB20284-2006的标准进行检测。
燃烧滴落物测试按GB20284-2006的标准进行检测。
阻燃等级测试按阻燃等级由HB,V-2,V-1向V-0逐级递增的标准进行检测。
吸水率测试按GB/T17657-2013的标准进行检测。
落球冲击韧性测试按JC908-2013的标准进行检测。
抗菌防霉测试按JC/T 2039-2010《抗菌防霉木质装饰板》的标准进行检测。
表1装饰板性能测定结果
根据上述检测数据可知本发明的阻燃防水玻璃纤维增强装饰板经上述检验结果显示,装饰板燃烧性能符合GB20286-2006规定的不燃A级要求,防火性好,不易助燃,吸水率低,防水性好,受潮后力学性能好,且抗菌防霉等级高,无霉菌产生,具有广阔的应用前景。

Claims (7)

1.一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于具体制备步骤为:
(1)将100~110mL液体石蜡与200~220mL蒸馏水混合放入带有搅拌器的双口烧瓶中,加热升温,将3~5g聚氧乙烯辛基苯酚醚加入100~120mL蒸馏水中,搅拌10~15min,得到水乳液,将水乳液预热后,加入双口烧瓶中,启动搅拌器,以200~230r/min的转速搅拌,搅拌乳化,得到乳化液体石蜡;
(2)将0.8~1.0g聚氧乙烯辛基苯酚醚加入40~50mL丙烯酸中,搅拌20~25min,得到乳化丙烯酸,将乳化丙烯酸和乳化液体石蜡置于带有搅拌器和滴液漏斗的三口烧瓶中,加热升温,启动搅拌器以300~350r/min的转速搅拌乳化20~30min后,用滴液漏斗向三口烧瓶滴加40~45mL硫代硫酸钾溶液,滴加完毕后,搅拌反应,得到改性乳化液体石蜡;
(3)量取60~65mL磷酸溶液倒入带有导气管的三口烧瓶中,油浴加热升温后,向三口烧瓶中加入尿素,继续升温至一定温度后,停止加热,向三口烧瓶中加入10~12g硅藻土,保温,得到产物;
(4)将上述产物倒入托盘转移至烘箱中,固化干燥后,放入研钵中研磨30~35min,得到硅藻土-聚磷酸铵复合阻燃填料,将针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料混合得到混合木浆,将混合木浆放入盘磨机中盘磨100~150次,得到原纤化纤维浆;
(5)将200~300mL原纤化纤维浆和20~30g玻璃纤维置于疏解机中,疏解后,转移至湿法成型器中,向湿法成型器中加入20~30gPPE树脂、改性乳化液体石蜡,湿法成型20~25min,得到玻璃纤维增强抄片;
(6)将硫酸溶液与硫酸钠溶液混合得到凝固浴,将玻璃纤维增强抄片置于凝固浴中浸渍后取出,先水洗再用乙醇洗涤3~5次,随后放入三聚氰胺树脂溶液中浸渍,三聚氰胺树脂溶液由三聚氰胺和乙二醇等质量复配而成,在浸胶机中以15m/min的速度进行浸渍,完全浸润得到浸胶抄片,随后将浸胶抄片热压粘结40~50min,得到阻燃防水玻璃纤维增强装饰板。
2.根据权利要求1所述的一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于:步骤(1)所述的双口烧瓶加热升温后温度为60~65℃,水乳液预热后温度为60~65℃,搅拌乳化时间为40~45min。
3.根据权利要求1所述的一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于:步骤(2)所述的加热升温后温度为70~75℃,滴液漏斗滴加速率为5~7mL/min,硫代硫酸钾溶液的质量分数为10%,搅拌反应时间为40~50min。
4.根据权利要求1所述的一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于:步骤(3)所述的磷酸溶液的浓度为0.4mol/L,油浴加热升温后温度为70~80℃,控制磷酸与尿素的摩尔比为1︰1.8,升温速率为2~3℃/min,升温后温度为130~135℃,保温时间为20~30min。
5.根据权利要求1所述的一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于:步骤(4)所述的烘箱设定温度为200~210℃,固化干燥时间为2~3h,针叶木浆、阔叶木浆和硅藻土-聚磷酸铵复合阻燃填料混合质量比为8︰3︰1。
6.根据权利要求1所述的一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于:步骤(5)所述的疏解机转速为1800~2000r/min,疏解时间为15~20min,湿法成型时间为20~25min。
7.根据权利要求1所述的一种阻燃防水玻璃纤维增强装饰板的制备方法,其特征在于:步骤(6)所述的硫酸溶液的质量分数为45%,硫酸钠溶液的质量分数为35%,硫酸溶液与硫酸钠溶液混合体积比为3︰1,浸渍时间为40~45min,热压粘结压力为 2.0~2.5Mpa、温度为140~160℃。
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