CN108997921A - 管道用耐火保温包覆材料 - Google Patents

管道用耐火保温包覆材料 Download PDF

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CN108997921A
CN108997921A CN201810883744.0A CN201810883744A CN108997921A CN 108997921 A CN108997921 A CN 108997921A CN 201810883744 A CN201810883744 A CN 201810883744A CN 108997921 A CN108997921 A CN 108997921A
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周致中
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WUXI CITY MINGJIANG INSULATION MATERIAL CO Ltd
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Abstract

本发明涉及一种管道用耐火保温包覆材料，其特征是，包括以下组份，组份比例按重量份数计：100重量份由聚异氰酸酯和多元醇制成的聚氨酯树脂、0.1‑10重量份乙酸钾、0.1‑10重量份发泡剂、0.1‑10重量份有机硅泡沫稳定剂和5‑50重量份阻燃添加剂，所述阻燃添加剂采用重量比为1:1‑2:1‑2:1:1:1‑2的磷酸二氢铵、六溴苯、硼酸锌、三氧化锑、氢氧化铝和硅灰石。本发明具备耐火性、保温性，并且使用性较好，适用于包覆于管道或设备的外周。

Description

管道用耐火保温包覆材料
技术领域
本发明涉及一种保温材料，尤其是一种管道用耐火保温包覆材料，属于保温技术领域。
背景技术
目前，在各项生产、生活中人们节能的意识不断提高，保温包覆材料被大量使用于各种工业管道、窑炉、建筑物等。现有常用的保温材料如石棉、玻璃纤维毡或玻璃纤维布等，为了提高保温效果大多采用增加材料厚度的手段，但采用该种方式时由于材料本身厚度增加，当保温材料需要包覆在管道上时，就会影响包覆效果和包覆的层数。
现有技术中铝箔在隔热保温材料中具有一定的应用，一般通过在芯材的表面设置涂层铝箔后制成复合材料，保护芯材的同时又具有一定的保温性能。铝箔层不仅增加了材料整体的机械强度，使得复合板具有更加优异的可塑性，铝箔表层还可以增加材料的外观美感度。另外，现有技术中为了赋予保温性能与防火性能，采用设置耐火层和发泡层的方式，并在发泡层外设置铝箔以防止吸水以及保证外观美感度。但一般的发泡层结构较为厚度，为了获得充分的耐火、防火性能会影响包覆材料的使用性，造成包裹材料难以包覆在管道或机器设备上。
发明内容
本发明的目的是克服现有技术中存在的不足，提供一种管道用耐火保温包覆材料，具备耐火性、保温性，并且使用性较好，适用于包覆于管道或设备的外周。
按照本发明提供的技术方案，所述管道用耐火保温包覆材料，其特征是，包括以下组份，组份比例按重量份数计：
100重量份由聚异氰酸酯和多元醇制成的聚氨酯树脂、0.1-10重量份乙酸钾、0.1-10重量份发泡剂、0.1-10重量份有机硅泡沫稳定剂和5-50重量份阻燃添加剂，所述阻燃添加剂采用重量比为1:1-2:1-2:1:1:1-2的磷酸二氢铵、六溴苯、硼酸锌、三氧化锑、氢氧化铝和硅灰石。
进一步地，所述发泡剂采用丙烷、丁烷或己烷。
进一步地，所述聚异氰酸酯采用甲苯二异氰酸酯、二苯甲烷二异氰酸酯或三苯甲烷三异氰酸酯。
进一步地，所述多元醇作为硬化剂，可以采用聚己内酯二醇、乙二醇、丙二醇或丁二醇。
进一步地，所述耐火保温包覆材料在使用时，将各成分混合后直接喷涂、涂布、印刷在管道表面，或者将管道浸渍在混合后的包覆材料中，以在管道表面获得到管道形状相匹配的阻燃发泡层。
进一步地，所述阻燃发泡层的厚度为100-500mm。
本发明具有以下优点：
（1）本发明所述管道用耐火保温包覆材料，具备耐火性、保温性，并且使用性较好，适用于包覆于管道或设备的外周；
（2）本发明能够直接喷涂、涂布、印刷或浸渍于管道表面，以适应管道表面的形状，保证管道获得充分的耐火、防火性，同时避免管道本身增重过多；
（3）本发明所述耐火保温包覆材料的使用方便，耐火成分合适，适用于管道或机器类产品国。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
实施例一：一种管道用耐火保温包覆材料，采用以下步骤制备：
100重量份由聚异氰酸酯和多元醇制成的聚氨酯树脂，0.1重量份的乙酸钾、0.1重量份发泡剂丙烷、0.1重量份有机硅泡沫稳定剂、5重量份阻燃添加剂，阻燃添加剂采用重量比为1:1:1:1:1:1的磷酸二氢铵、六溴苯、硼酸锌、三氧化锑、氢氧化铝、硅灰石；
所述聚异氰酸酯采用甲苯二异氰酸酯；所述多元醇作为硬化剂，可以采用聚己内酯二醇。
将上述各成分混合后直接喷涂、涂布、印刷在管道表面，或者将管道浸渍在混合后的包覆材料中，以在管道表面获得到管道形状相匹配的阻燃发泡层；所述阻燃发泡层的厚度一般为100mm，通过合适的阻燃发泡层的厚度保证管道获得充分的耐火、防火性，又能避免管道重量增重过多，防止增加管道的操作使用过程的难度。
将耐火保温包覆材料进行耐火测试，依照ISO-5660的测试方法，测定放射热强度50kW/m2加热10分钟和20分钟时的最大放热速度和总放热量分别为1.3和2.2，可以看出本实施例耐火保温包覆材料的放热速度较快，能够起到较好的耐火保温效果。
实施例二：一种管道用耐火保温包覆材料，采用以下步骤制备：
100重量份由聚异氰酸酯和多元醇制成的聚氨酯树脂，10重量份的乙酸钾、10重量份发泡剂丁烷、10重量份有机硅泡沫稳定剂、50重量份阻燃添加剂，阻燃添加剂采用重量比为1:2:2:1:1:2的磷酸二氢铵、六溴苯、硼酸锌、三氧化锑、氢氧化铝、硅灰石；
所述聚异氰酸酯采用二苯甲烷二异氰酸酯；所述多元醇作为硬化剂，可以采用乙二醇。
将上述各成分混合后直接喷涂、涂布、印刷在管道表面，或者将管道浸渍在混合后的包覆材料中，以在管道表面获得到管道形状相匹配的阻燃发泡层；所述阻燃发泡层的厚度一般为500mm，通过合适的阻燃发泡层的厚度保证管道获得充分的耐火、防火性，又能避免管道重量增重过多，防止增加管道的操作使用过程的难度。
将耐火保温包覆材料进行耐火测试，依照ISO-5660的测试方法，测定放射热强度50kW/m2加热10分钟和20分钟时的最大放热速度和总放热量分别为1.6和2.0，可以看出本实施例耐火保温包覆材料的放热速度较快，能够起到较好的耐火保温效果。
实施例三：一种管道用耐火保温包覆材料，采用以下步骤制备：
100重量份由聚异氰酸酯和多元醇制成的聚氨酯树脂，1重量份的乙酸钾、1重量份发泡剂己烷、1重量份有机硅泡沫稳定剂、10重量份阻燃添加剂，阻燃添加剂采用重量比为1:1.5:1.5:1:1:1.5的磷酸二氢铵、六溴苯、硼酸锌、三氧化锑、氢氧化铝、硅灰石；
所述聚异氰酸酯采用三苯甲烷三异氰酸酯；所述多元醇作为硬化剂，可以采用丁二醇。
将上述各成分混合后直接喷涂、涂布、印刷在管道表面，或者将管道浸渍在混合后的包覆材料中，以在管道表面获得到管道形状相匹配的阻燃发泡层；所述阻燃发泡层的厚度一般为200mm，通过合适的阻燃发泡层的厚度保证管道获得充分的耐火、防火性，又能避免管道重量增重过多，防止增加管道的操作使用过程的难度。
将耐火保温包覆材料进行耐火测试，依照ISO-5660的测试方法，测定放射热强度50kW/m2加热10分钟和20分钟时的最大放热速度和总放热量分别为1.5和2.2，可以看出本实施例耐火保温包覆材料的放热速度较快，能够起到较好的耐火保温效果。

Claims (6)

1.一种管道用耐火保温包覆材料，其特征是，包括以下组份，组份比例按重量份数计：
100重量份由聚异氰酸酯和多元醇制成的聚氨酯树脂、0.1-10重量份乙酸钾、0.1-10重量份发泡剂、0.1-10重量份有机硅泡沫稳定剂和5-50重量份阻燃添加剂，所述阻燃添加剂采用重量比为1:1-2:1-2:1:1:1-2的磷酸二氢铵、六溴苯、硼酸锌、三氧化锑、氢氧化铝和硅灰石。
2.如权利要求1所述的管道用耐火保温包覆材料，其特征是：所述发泡剂采用丙烷、丁烷或己烷。
3.如权利要求1所述的管道用耐火保温包覆材料，其特征是：所述聚异氰酸酯采用甲苯二异氰酸酯、二苯甲烷二异氰酸酯或三苯甲烷三异氰酸酯。
4.如权利要求1所述的管道用耐火保温包覆材料，其特征是：所述多元醇作为硬化剂，可以采用聚己内酯二醇、乙二醇、丙二醇或丁二醇。
5.如权利要求1所述的管道用耐火保温包覆材料，其特征是：所述耐火保温包覆材料在使用时，将各成分混合后直接喷涂、涂布、印刷在管道表面，或者将管道浸渍在混合后的包覆材料中，以在管道表面获得到管道形状相匹配的阻燃发泡层。
6.如权利要求5所述的管道用耐火保温包覆材料，其特征是：所述阻燃发泡层的厚度为100-500mm。
CN201810883744.0A 2018-08-06 2018-08-06 管道用耐火保温包覆材料 Pending CN108997921A (zh)

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WO2012067685A1 (en) * 2010-11-16 2012-05-24 Lubrizol Advanced Materials, Inc. Non halogen flame retardant thermoplastic polyurethane
CN105793633A (zh) * 2014-02-27 2016-07-20 积水化学工业株式会社 用于管道或设备的耐火性绝热涂层材料

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WO2012067685A1 (en) * 2010-11-16 2012-05-24 Lubrizol Advanced Materials, Inc. Non halogen flame retardant thermoplastic polyurethane
CN105793633A (zh) * 2014-02-27 2016-07-20 积水化学工业株式会社 用于管道或设备的耐火性绝热涂层材料

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115141459A (zh) * 2022-08-03 2022-10-04 江苏卡续曼新材料科技有限公司 基于热塑性高分子材料共混改性的阻燃物阻燃方法

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