CN106854266A - 改性聚氨酯外墙保温防火板及其制备方法 - Google Patents

改性聚氨酯外墙保温防火板及其制备方法 Download PDF

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CN106854266A
CN106854266A CN201611159321.1A CN201611159321A CN106854266A CN 106854266 A CN106854266 A CN 106854266A CN 201611159321 A CN201611159321 A CN 201611159321A CN 106854266 A CN106854266 A CN 106854266A
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张政
代金权
余鑫
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CHONGQING BOAO MG-AL MANUFACTURING Co Ltd
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Abstract

本发明公开了一种改性聚氨酯外墙保温防火板及其制备方法,包括有重量配比1:1~1.5的白料、黑料,黑料为异氰酸酯混合物,白料为组合聚醚,其中,白料由聚醚多元醇、聚酯多元醇、季铵盐类催化剂、异辛酸钾、泡沫稳定剂、发泡剂、质量比为1:1的三嗪三酮与三胺混合物、纳米级硅酸钙粉、3000μ的玻璃纤维粉、纳米级氧化铝、无卤有机磷化合物组成。该制备方法为将配比好的聚醚多元醇、聚酯多元醇、季铵盐类催化剂、异辛酸钾、泡沫稳定剂、发泡剂、无卤有机磷化合物混合均匀后,将质量比为1:1的三嗪三酮与三胺混合物、纳米级硅酸钙粉、玻璃纤维粉、纳米级氧化铝按配比匀速加入,得组合聚醚白料;再与配比黑料均匀混合,压型,制得芯密度≥220Kg/m3的改性聚氨酯外墙保温防火板。

Description

改性聚氨酯外墙保温防火板及其制备方法
技术领域
本发明涉及一种改性聚氨酯外墙保温防火板及其制备方法,属于防火材料技术领域。
背景技术
我国具有近几百亿平方米建筑,其中仅有1%为节能建筑,其余无论从建筑围护结构还是采暖空调系统来衡量,均属于高耗能建筑。我国单位面积采暖所耗能源相当于纬度相近的发达国家的2到3倍,其中建筑的外墙围护结构的热损耗较大,是实现建筑节能的重要环节。
采用外墙保温板可以增加墙体的平均热阻值,起到保温或隔热效果,减少采暖的能源消耗。外墙外保温板安装于墙体外侧,其本身的燃烧性能对于抵抗建筑火灾起到重要作用。
现代保温建筑材料中,种类繁多,易燃物质的存在使得人们不得不对防火问题给予高度重视,防火保温建材领域近年来越来越受关注,但受技术的制约,防火保温材料的质量参差不齐,严重影响了外墙保温板的推广应用。
发明内容
针对上述现有技术中的不足之处,本发明旨在提供一种保温性能好、阻燃性好的改性聚氨酯外墙保温防火板及其制备方法。
为了实现上述目的,本发明的技术方案:一种改性聚氨酯外墙保温防火板,包括有黑料、白料,所述黑料为异氰酸酯混合物,所述白料为组合聚醚,且白料与黑料重量配比1:1~1.5,其中,所述白料由以下重量组份组成:
所述无卤有机磷化合物中磷含量≥11±0.5wt%。
进一步的,所述白料由以下重量组份组成:
进一步的,所述白料由以下重量组份组成:
进一步的,所述泡沫稳定剂为硅-碳键耐水解型硅油。
进一步的,所述发泡剂为水。
进一步的,所述异氰酸酯混合物为含有一定量较高官能度的异氰酸酯与二苯基甲烷二异氰酸酯的混合物,其中,NCO质量分数为30.5~32%,且温度在25℃下,异氰酸酯与二苯基甲烷二异氰酸酯的混合物粘度为150~250mPa.s。
一种前述改性聚氨酯外墙保温防火板的制备方法,其包括有如下步骤:
S1、将配比好的聚醚多元醇、聚酯多元醇、季铵盐类催化剂、异辛酸钾、泡沫稳定剂、发泡剂、无卤有机磷化合物混合均匀中速搅拌10~20min后,将质量比为1:1的三嗪三酮与三胺混合物、纳米级硅酸钙粉、玻璃纤维粉、纳米级氧化铝按配比匀速加入,并高速搅拌20~30min,得组合聚醚白料;
S2、将重量份配比的组合聚醚白料与黑料均匀混合,压型,制得芯密度≥220Kg/m3的改性聚氨酯外墙保温防火板。
本发明的有益效果:通过组合聚醚白料与黑料混合,由聚醚多元醇、聚酯多元醇、季铵盐类催化剂、异辛酸钾、泡沫稳定剂、发泡剂、无卤有机磷化合物、质量比为1:1的三嗪三酮与三胺混合物、纳米级硅酸钙粉、玻璃纤维粉、纳米级氧化铝按配比制得改性聚氨酯材料,通过该改性聚氨酯材料压塑成型即得出一种新型的改性聚氨酯外墙保温防火板,保温性能好、阻燃性好。
具体实施方式
下面结合具体实施例来进一步详细说明本发明。
一种改性聚氨酯外墙保温防火板,包括有黑料、白料,所述黑料为异氰酸酯混合物,所述白料为组合聚醚,且白料与黑料重量配比1:1~1.5,其中,所述白料由以下重量组份组成:
所述无卤有机磷化合物中磷含量≥11±0.5wt%。
其中,泡沫稳定剂为硅-碳键耐水解型硅油;所述发泡剂为水;所述异氰酸酯混合物为含有一定量较高官能度的异氰酸酯与二苯基甲烷二异氰酸酯的混合物,其中,NCO质量分数为30.5~32%,且温度在25℃下,异氰酸酯与二苯基甲烷二异氰酸酯的混合物粘度为150~250mPa.s。
该改性聚氨酯外墙保温防火板制备方法如下:
S1、将配比好的聚醚多元醇、聚酯多元醇、季铵盐类催化剂、异辛酸钾、泡沫稳定剂、发泡剂、无卤有机磷化合物混合均匀中速搅拌10~20min后,将质量比为1:1的三嗪三酮与三胺混合物、纳米级硅酸钙粉、玻璃纤维粉、纳米级氧化铝按配比匀速加入,并高速搅拌20~30min,得组合聚醚白料;
S2、将重量份配比的组合聚醚白料与黑料均匀混合,压型,制得芯密度≥220Kg/m3的改性聚氨酯外墙保温防火板。
实施例1:一种改性聚氨酯外墙保温防火板,由白料、黑料组成,其中白料为组合聚醚,黑料为异氰酸酯混合物,NCO质量分数为30.5~32%,其组份按重量份计包括:
组合聚醚 100重量份
异氰酸酯混合物 115重量份
其中组合聚醚按重量份计包括有:
通过以上配比进行改性聚氨酯外墙保温防火板的制备,将其按GB 8624-2006建筑材料及制品燃烧性能分级测阻燃,测得结果燃烧等级为B级、烟生成等级S1、燃烧熔滴等级d0。
实施例2:一种改性聚氨酯外墙保温防火板,由白料、黑料组成,其中白料为组合聚醚,黑料为异氰酸酯混合物,其中,NCO质量分数为30.5~32%,其组份按重量份计包括:
组合聚醚 100重量份
异氰酸酯混合物 120重量份
其中组合聚醚按重量份计包括有:
通过以上配比进行改性聚氨酯外墙保温防火板的制备,将其按ISO 9705:1993火灾试验,表面制品的实体房间火试验方法,测得结果样品分级为:级别2。
实施例3:一种改性聚氨酯外墙保温防火板,由白料、黑料组成,其中白料为组合聚醚,黑料为异氰酸酯混合物,其中,NCO质量分数为30.5~32%,其组份按重量份计包括:
组合聚醚 100重量份
异氰酸酯混合物 115重量份
其中组合聚醚按重量份计包括有:
通过以上配比进行改性聚氨酯外墙保温防火板的制备,将其按GB 8624-2012建筑材料及制品燃烧性能分级测阻燃,测得结果燃烧等级为难燃B1级(C-s3,d0,t2),氧指数36.2%。
以上对本发明实施例所提供的技术方案进行了详细介绍,本文中应用了具体个例对本发明实施例的原理以及实施方式进行了阐述,以上实施例的说明只适用于帮助理解本发明实施例的原理;同时,对于本领域的一般技术人员,依据本发明实施例,在具体实施方式以及应用范围上均会有改变之处,综上所述,本说明书内容不应理解为对本发明的限制。

Claims (7)

1.一种改性聚氨酯外墙保温防火板,包括有黑料、白料,其特征在于:所述黑料为异氰酸酯混合物,所述白料为组合聚醚,且白料与黑料重量配比1:1~1.5,其中,所述白料由以下重量组份组成:
所述无卤有机磷化合物中磷含量≥11±0.5wt%。
2.根据权利要求1所述改性聚氨酯外墙保温防火板,其特征在于:所述白料由以下重量组份组成:
3.根据权利要求1所述改性聚氨酯外墙保温防火板,其特征在于:所述白料由以下重量组份组成:
4.根据权利要求1-3任一所述改性聚氨酯外墙保温防火板,其特征在于:所述泡沫稳定剂为硅-碳键耐水解型硅油。
5.根据权利要求1-3任一所述改性聚氨酯外墙保温防火板,其特征在于:所述发泡剂为水。
6.根据权利要求1-3任一所述改性聚氨酯外墙保温防火板,其特征在于:所述异氰酸酯混合物为含有一定量较高官能度的异氰酸酯与二苯基甲烷二异氰酸酯的混合物,其中,NCO质量分数为30.5~32%,且温度在25℃下,异氰酸酯与二苯基甲烷二异氰酸酯的混合物粘度为150~250mPa.s。
7.一种根据权利要求1-6任一所述改性聚氨酯外墙保温防火板的制备方法,其特征在于,包括有如下步骤:
S1、将配比好的聚醚多元醇、聚酯多元醇、季铵盐类催化剂、异辛酸钾、泡沫稳定剂、发泡剂、无卤有机磷化合物混合均匀中速搅拌10~20min后,将质量比为1:1的三嗪三酮与三胺混合物、纳米级硅酸钙粉、玻璃纤维粉、纳米级氧化铝按配比匀速加入,并高速搅拌20~30min,得组合聚醚白料;
S2、将重量份配比的组合聚醚白料与黑料均匀混合,压型,制得芯密度≥220Kg/m3的改性聚氨酯外墙保温防火板。
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Application publication date: 20170616