CN108341985A - 一种微发泡阻燃聚氨酯材料及其制备方法 - Google Patents

一种微发泡阻燃聚氨酯材料及其制备方法 Download PDF

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CN108341985A
CN108341985A CN201810005645.2A CN201810005645A CN108341985A CN 108341985 A CN108341985 A CN 108341985A CN 201810005645 A CN201810005645 A CN 201810005645A CN 108341985 A CN108341985 A CN 108341985A
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陈思猛
何军
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GUANGDONG BOSHENG NEW MATERIAL TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种微发泡阻燃聚氨酯材料及其制备方法,该聚氨酯材料由异氰酸酯、聚碳酸酯二元醇、填料、颜料、无卤阻燃剂、阻燃协效剂、化学发泡剂、物理发泡剂、抗氧剂、紫外线吸收剂和防霉抗菌剂制备而成。其制备方法如下:1)聚碳酸酯二元醇和填料的预混合;2)加入异氰酸酯,充分反应,再加入颜料、无卤阻燃剂、阻燃协效剂、化学发泡剂、物理发泡剂、抗氧剂、紫外线吸收剂和防霉抗菌剂,充分反应。本发明的微发泡阻燃聚氨酯材料内部具有均匀的微孔,弹性高、阻燃性能优异、耐老化性能优异、力学性能优异、耐磨性好、防滑性好、无气味、安全环保,其制备方法简单,易于进行大规模工业化生产。

Description

一种微发泡阻燃聚氨酯材料及其制备方法
技术领域
本发明涉及一种微发泡阻燃聚氨酯材料及其制备方法,属于聚氨酯材料技术领域。
背景技术
聚氨酯一般由异氰酸酯和聚醚多元醇反应得到,在塑胶跑道行业中有着广泛应用。现有的聚氨酯跑道主要采用单组份聚氨酯粘合剂加入大量黑色橡胶颗粒铺设而成,施工简单、场地透气性好,延伸回复性优异,耐寒、耐油、耐折弯,但存在耐老化性能差、耐水解性差、耐磨性能一般、力学性能低、使用年限短、气味重、阻燃性能差等问题,对环境也有一定的污染。随着人们生活水平的提高,人们越来越注重身体健康,开始积极进行体育锻炼,全民健身运动逐步开展,人们对体育场地设施的需求也不断提高。塑胶跑道逐渐向高性能、高舒适度、低VOC、低气味方向发展,对跑道材料的应用提出了更高的要求。
因此,有必要开发一种高弹性、耐磨、耐老化、阻燃、无气味、力学性能优异、安全环保的聚氨酯材料。
发明内容
本发明的目的在于提供一种微发泡阻燃聚氨酯材料及其制备方法。
本发明所采取的技术方案是:
一种微发泡阻燃聚氨酯材料,由以下质量百分含量的原料制备而成:
异氰酸酯:10%~20%;
聚碳酸酯二元醇:25%~35%;
填料:25%~40%;
颜料:0.5%~2.5%;
无卤阻燃剂:3%~8%;
阻燃协效剂:0.5%~2%;
化学发泡剂:1%~2%;
物理发泡剂:1%~3%;
抗氧剂:0.1%~2%;
紫外线吸收剂:0.2%~0.5%;
防霉抗菌剂:0.1%~0.3%。
所述的填料为滑石粉、石英粉、蒙脱土、高岭土、氢氧化铝中的至少一种。
所述的无卤阻燃剂为氮系阻燃剂和磷系阻燃剂的复配物,氮系阻燃剂、磷系阻燃剂的质量比为1:(0.3~0.5)。
所述的氮系阻燃剂为三聚氰胺、双氰胺、三聚氰胺氰尿酸盐中的至少一种,所述的磷系阻燃剂为磷酸盐、次磷酸酯、次磷酸盐中的至少一种。
所述的阻燃协效剂为三氧化二锑、氢氧化铝、氢氧化镁、硼酸盐、硅灰石、可膨胀石墨中的至少一种。
所述的化学发泡剂为碳酸氢钠、N,N′-二亚硝基五次甲基四胺、N,N′-二甲基-N,N′-二亚硝基对苯二甲酰胺、偶氮二异丁腈、4,4′-二磺酰肼二苯醚、对苯磺酰肼、3,3′-二磺酰肼二苯砜、4,4′-二苯二磺酰肼中的至少一种。
所述的物理发泡剂为正戊烷、异戊烷、环戊烷、正己烷、正丁烷、石油醚、三氯氟甲烷中的至少一种。
所述的抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂168、抗氧剂164、抗氧剂264中的至少一种。
所述的紫外线吸收剂为2-羟基-4-甲基二苯甲酮、2-羟基-4-正辛氧基二苯甲酮中的至少一种。
所述的防霉抗菌剂为嘧啶硫铜锌、氧化锌、5-氯-2-甲基-4-异噻唑啉-3-酮、2-甲基-4-异噻唑啉-3-酮、2-苯并咪唑氨基甲酸甲酯中的至少一种。
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和填料加入反应釜,抽真空,100~120℃搅拌1~2h;
2)降温至40~50℃,加入异氰酸酯,70~90℃反应1~2h,再加入颜料、无卤阻燃剂、阻燃协效剂、化学发泡剂、物理发泡剂、抗氧剂、紫外线吸收剂和防霉抗菌剂,40~50℃搅拌20~30min,得到微发泡阻燃聚氨酯材料。
本发明的有益效果是:本发明的微发泡阻燃聚氨酯材料内部具有均匀的微孔(0.5~2mm),弹性高、阻燃性能优异、耐老化性能优异、力学性能优异、耐磨性好、防滑性好、无气味、安全环保,其制备方法简单,易于进行大规模工业化生产。
具体实施方式
一种微发泡阻燃聚氨酯材料,由以下质量百分含量的原料制备而成:
异氰酸酯:10%~20%;
聚碳酸酯二元醇:25%~35%;
填料:25%~40%;
颜料:0.5%~2.5%;
无卤阻燃剂:3%~8%;
阻燃协效剂:0.5%~2%;
化学发泡剂:1%~2%;
物理发泡剂:1%~3%;
抗氧剂:0.1%~2%;
紫外线吸收剂:0.2%~0.5%;
防霉抗菌剂:0.1%~0.3%。
优选的,所述的填料为滑石粉、石英粉、蒙脱土、高岭土、氢氧化铝中的至少一种。
优选的,所述的无卤阻燃剂为氮系阻燃剂和磷系阻燃剂的复配物,氮系阻燃剂、磷系阻燃剂的质量比为1:(0.3~0.5)。
优选的,所述的氮系阻燃剂为三聚氰胺、双氰胺、三聚氰胺氰尿酸盐中的至少一种,所述的磷系阻燃剂为磷酸盐、次磷酸酯、次磷酸盐中的至少一种。
优选的,所述的阻燃协效剂为三氧化二锑、氢氧化铝、氢氧化镁、硼酸盐、硅灰石、可膨胀石墨中的至少一种。
优选的,所述的化学发泡剂为碳酸氢钠、N,N′-二亚硝基五次甲基四胺、N,N′-二甲基-N,N′-二亚硝基对苯二甲酰胺、偶氮二异丁腈、4,4′-二磺酰肼二苯醚、对苯磺酰肼、3,3′-二磺酰肼二苯砜、4,4′-二苯二磺酰肼中的至少一种。
优选的,所述的物理发泡剂为正戊烷、异戊烷、环戊烷、正己烷、正丁烷、石油醚、三氯氟甲烷中的至少一种。
优选的,所述的抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂168、抗氧剂164、抗氧剂264中的至少一种。
优选的,所述的紫外线吸收剂为2-羟基-4-甲基二苯甲酮、2-羟基-4-正辛氧基二苯甲酮中的至少一种。
优选的,所述的防霉抗菌剂为嘧啶硫铜锌、氧化锌、5-氯-2-甲基-4-异噻唑啉-3-酮、2-甲基-4-异噻唑啉-3-酮、2-苯并咪唑氨基甲酸甲酯中的至少一种。
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和填料加入反应釜,抽真空,100~120℃搅拌1~2h;
2)降温至40~50℃,加入异氰酸酯,70~90℃反应1~2h,再加入颜料、无卤阻燃剂、阻燃协效剂、化学发泡剂、物理发泡剂、抗氧剂、紫外线吸收剂和防霉抗菌剂,40~50℃搅拌20~30min,得到微发泡阻燃聚氨酯材料。
下面结合具体实施例对本发明作进一步的解释和说明。
实施例1:
一种微发泡阻燃聚氨酯材料,其原料组成如下表所示:
表1一种微发泡阻燃聚氨酯材料的原料组成表
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和滑石粉加入反应釜,抽真空,120℃搅拌1.5h;
2)降温至40℃,加入异氰酸酯,70℃反应2h,再加入颜料、三聚氰胺、次磷酸酯、三氧化二锑、N,N′-二甲基-N,N′-二亚硝基对苯二甲酰胺、正戊烷、抗氧剂1010、2-羟基-4-甲基二苯甲酮和嘧啶硫铜锌,45℃搅拌30min,得到微发泡阻燃聚氨酯材料。
实施例2:
一种微发泡阻燃聚氨酯材料,其原料组成如下表所示:
表2一种微发泡阻燃聚氨酯材料的原料组成表
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和蒙脱土加入反应釜,抽真空,120℃搅拌2h;
2)降温至40℃,加入异氰酸酯,80℃反应2h,再加入颜料、双氰胺、次磷酸酯、氢氧化铝、对苯磺酰肼、正己烷、抗氧剂1010、2-羟基-4-甲基二苯甲酮和氧化锌,40℃搅拌30min,得到微发泡阻燃聚氨酯材料。
实施例3:
一种微发泡阻燃聚氨酯材料,其原料组成如下表所示:
表3一种微发泡阻燃聚氨酯材料的原料组成表
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和蒙脱土加入反应釜,抽真空,100℃搅拌1.5h;
2)降温至45℃,加入异氰酸酯,90℃反应1h,再加入颜料、三聚氰胺、磷酸盐、氢氧化镁、N,N′-二甲基-N,N′-二亚硝基对苯二甲酰胺、正己烷、抗氧剂168、2-羟基-4-正辛氧基二苯甲酮和氧化锌,50℃搅拌20min,得到微发泡阻燃聚氨酯材料。
实施例4:
一种微发泡阻燃聚氨酯材料,其原料组成如下表所示:
表4一种微发泡阻燃聚氨酯材料的原料组成表
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和氢氧化铝加入反应釜,抽真空,110℃搅拌1.5h;
2)降温至50℃,加入异氰酸酯,70℃反应2h,再加入颜料、三聚氰胺氰尿酸盐、次磷酸盐、硼酸盐、3,3′-二磺酰肼二苯砜、石油醚、抗氧剂264、2-羟基-4-正辛氧基二苯甲酮和2-甲基-4-异噻唑啉-3-酮,45℃搅拌25min,得到微发泡阻燃聚氨酯材料。
实施例5:
一种微发泡阻燃聚氨酯材料,其原料组成如下表所示:
表5一种微发泡阻燃聚氨酯材料的原料组成表
上述微发泡阻燃聚氨酯材料的制备方法,包括以下步骤:
1)将聚碳酸酯二元醇和石英粉加入反应釜,抽真空,100℃搅拌2h;
2)降温至40℃,加入异氰酸酯,80℃反应2h,再加入颜料、三聚氰胺氰尿酸盐、次磷酸酯、可膨胀石墨、4,4′-二苯二磺酰肼、石油醚、抗氧剂264、2-羟基-4-正辛氧基二苯甲酮和2-苯并咪唑氨基甲酸甲酯,40℃搅拌30min,得到微发泡阻燃聚氨酯材料。
测试例:
对实施例1~5制备的微发泡阻燃聚氨酯材料进行性能测试,测试结果如下表所示:
表6实施例1~5的微发泡阻燃聚氨酯材料的性能测试结果
上述实施例为本发明较佳的实施方式,但本发明的实施方式并不受上述实施例的限制,其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化,均应为等效的置换方式,都包含在本发明的保护范围之内。

Claims (10)

1.一种微发泡阻燃聚氨酯材料,其特征在于:由以下质量百分含量的原料制备而成:
异氰酸酯:10%~20%;
聚碳酸酯二元醇:25%~35%;
填料:25%~40%;
颜料:0.5%~2.5%;
无卤阻燃剂:3%~8%;
阻燃协效剂:0.5%~2%;
化学发泡剂:1%~2%;
物理发泡剂:1%~3%;
抗氧剂:0.1%~2%;
紫外线吸收剂:0.2%~0.5%;
防霉抗菌剂:0.1%~0.3%。
2.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的填料为滑石粉、石英粉、蒙脱土、高岭土、氢氧化铝中的至少一种。
3.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的无卤阻燃剂为氮系阻燃剂和磷系阻燃剂的复配物,氮系阻燃剂、磷系阻燃剂的质量比为1:(0.3~0.5)。
4.根据权利要求3所述的微发泡阻燃聚氨酯材料,其特征在于:所述的氮系阻燃剂为三聚氰胺、双氰胺、三聚氰胺氰尿酸盐中的至少一种,所述的磷系阻燃剂为磷酸盐、次磷酸酯、次磷酸盐中的至少一种。
5.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的阻燃协效剂为三氧化二锑、氢氧化铝、氢氧化镁、硼酸盐、硅灰石、可膨胀石墨中的至少一种。
6.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的化学发泡剂为碳酸氢钠、N,N′-二亚硝基五次甲基四胺、N,N′-二甲基-N,N′-二亚硝基对苯二甲酰胺、偶氮二异丁腈、4,4′-二磺酰肼二苯醚、对苯磺酰肼、3,3′-二磺酰肼二苯砜、4,4′-二苯二磺酰肼中的至少一种。
7.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的物理发泡剂为正戊烷、异戊烷、环戊烷、正己烷、正丁烷、石油醚、三氯氟甲烷中的至少一种。
8.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的抗氧剂为抗氧剂1010、抗氧剂1076、抗氧剂168、抗氧剂164、抗氧剂264中的至少一种;所述的紫外线吸收剂为2-羟基-4-甲基二苯甲酮、2-羟基-4-正辛氧基二苯甲酮中的至少一种。
9.根据权利要求1所述的微发泡阻燃聚氨酯材料,其特征在于:所述的防霉抗菌剂为嘧啶硫铜锌、氧化锌、5-氯-2-甲基-4-异噻唑啉-3-酮、2-甲基-4-异噻唑啉-3-酮、2-苯并咪唑氨基甲酸甲酯中的至少一种。
10.权利要求1~9中任意一项所述的微发泡阻燃聚氨酯材料的制备方法,其特征在于:包括以下步骤:
1)将聚碳酸酯二元醇和填料加入反应釜,抽真空,100~120℃搅拌1~2h;
2)降温至40~50℃,加入异氰酸酯,70~90℃反应1~2h,再加入颜料、无卤阻燃剂、阻燃协效剂、化学发泡剂、物理发泡剂、抗氧剂、紫外线吸收剂和防霉抗菌剂,40~50℃搅拌20~30min,得到微发泡阻燃聚氨酯材料。
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