CN111502112B - 无机复合聚苯不燃保温夹芯板装配式墙体 - Google Patents

无机复合聚苯不燃保温夹芯板装配式墙体 Download PDF

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CN111502112B
CN111502112B CN202010234355.2A CN202010234355A CN111502112B CN 111502112 B CN111502112 B CN 111502112B CN 202010234355 A CN202010234355 A CN 202010234355A CN 111502112 B CN111502112 B CN 111502112B
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石锦生
于健康
李心缘
王宇晨
王旭广
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Liaoning Suixin New Material Technology Co ltd
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Huludao Shixin Green Building Materials Co ltd
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Abstract

本申请是无机复合聚苯不燃保温夹芯板装配式墙体，包括：夹在墙体两侧的外面板；墙体中心的保温夹芯板；外面板与保温夹芯板之间的柔性胶黏层；所述柔性胶黏层由混合在一起的可压碎泡沫、纤维和聚氨酯胶；所述保温夹芯板导热系数为0.042～0.050。所述外面板为彩钢板或硅钙板。所述保温夹芯板为无机复合聚苯不燃保温夹芯板。所述硅钙板内混有粉煤灰。所述纤维为聚丙烯纤维、TPFE纤维或玻璃纤维中的任一种或多种以任意比例混合。本申请主要优点来源于胶黏层中的可压碎泡沫，这样的设计使聚氨酯胶更好的分布在外层与芯材之间。材料成型后加压保持六个小时，聚氨酯在可压碎泡沫和纤维之间产生负压微泡，这些微泡可提高材料间的粘接力，使本申请结构更加稳定。

Description

无机复合聚苯不燃保温夹芯板装配式墙体
技术领域：
本申请为建筑材料领域，具体涉及一种无机复合聚苯不燃保温夹芯板制作的装配式墙体。
背景技术：
现有的装配式墙体结构，包括外板，夹在外板中间的保温层和粘结二者的胶黏层组成。现有技术中保温层和外板之间的粘结并不可靠，时常出现开裂，空鼓。同时由于墙体不可避免的受力扭曲，更易引发粘结的脱落；这些不可靠因素均对墙体的生产，运输和使用过程中人员财产的安全产生不小的隐患。
同时，墙体各层结构的抗燃性、阻燃性也需要持续性地改进和提升。
发明内容：
发明目的：
本申请的目的在于，提供一种粘接结构稳定可靠，抗燃性能优异的一种保温夹芯板装配式墙体。
技术方案：
本发明是无机复合聚苯不燃保温夹芯板装配式墙体，包括：
夹在墙体两侧的外面板；
墙体中心的保温夹芯板；
外面板与保温夹芯板之间的柔性胶黏层；
所述柔性胶黏层由混合在一起的可压碎泡沫、纤维和聚氨酯胶；
所述保温夹芯板导热系数为0.042～0.050。
进一步地：所述外面板为彩钢板或硅钙板。
进一步地：所述保温夹芯板为无机复合聚苯不燃保温夹芯板。
所述硅钙板内混有粉煤灰。
所述纤维为聚丙烯纤维、TPFE纤维或玻璃纤维中的任一种或多种以任意比例混合。
进一步地：所述无机复合聚苯不燃保温夹芯板具备燃烧等级A2级的不燃性能。
进一步地：所述柔性胶黏层中，纤维占比3—5％，可压碎泡沫占比2—5％，其余为聚氨酯胶。
进一步地：所述可压碎泡沫粒径200目。
进一步地：所述聚氨酯胶配方为：
二苯基甲烷二异氰酸酯50％～80％；
多元醇20％～50％；
阻聚剂0.2‰～0.5‰；
阻燃剂10％～20％；
增塑剂2％～5％。
所述聚氨酯胶配方还可以为：
包括1:1混合的A组份和B组份；
所述A组份
多元醇60％～80％；
乳化剂5％～15％；
催化剂1.5％～7％；
表面活性剂2％～4％；
水10％～25％；
所述B组份
二苯基甲烷二异氰酸酯60％～80％；
多元醇10％～40％；
阻燃剂10％～20％。
优点及效果：
本申请主要优点来源于胶黏层中的可压碎泡沫，这样的设计使聚氨酯胶更好的分布在外层与芯材之间。材料成型后加压保持六个小时，聚氨酯在压碎的泡沫和纤维之间产生很多负压微泡，这些微泡可提高材料间的粘接力，使本申请结构更加稳定。同时，还具备有优异的不燃性能和保温性能。
附图说明：
图1为本申请各层结构示意图；
图2为柔性胶黏层内各成分微观示意图；
图3为墙体组装方法示意图。
图中标注：
1外面板；2保温夹芯板；3柔性胶黏层；4U型固定卡槽；5燕尾钉；
6高度调节垫片；
31可压碎泡沫；32纤维；33聚氨酯胶。
具体实施方式：
本申请的技术思想是，将一种可压碎泡沫、纤维和聚氨酯胶填充在面板与芯材之间，可压碎材料填充了缝隙，并且，可压碎材料与添加纤维可以相对维持空间结构，这样的设计使聚氨酯胶更好的分布在外层与芯材之间。材料成型后加压保持六个小时，泡沫破裂后，聚氨酯凝固后会产生很多负压微泡，这些微泡沫提高可材料间的粘接力。
本发明的芯材采用聚苯颗粒包埋后加压成型的工艺加工，加压成型会使得材料有丰富的微泡沫形成，这些结构提高了材料的强度，同时，粉煤灰充分填充在材料之间，按照燃烧理论，这样的结构从空间上减少了材料本身的空燃比，材料具有不燃烧和保温性能。
具体结构如下各实施例所述：
实施例1
一种保温夹芯板装配式墙体，其特征在于：
包括夹在墙体两侧的外面板1；
墙体中心的保温夹芯板2；
外面板1与保温夹芯板2之间的柔性胶黏层3；
所述柔性胶黏层3由混合在一起的可压碎泡沫31、纤维32和聚氨酯胶33；
所述保温夹芯板导热系数为0.042～0.050。
实施例2
与实施例1相比，本实施例的外面板1为彩钢板或硅钙板。且硅钙板内有粉煤灰。
实施例3
与其他实施例相比，本实施例中的纤维为聚丙烯纤维、TPFE纤维或玻璃纤维中的任一种或多种以任意比例混合。
实施例4
与其他实施例相比，本实施所述柔性胶黏层3组分配比为：纤维占比3—5％，可压碎泡沫占比2—5％，其余为聚氨酯胶。所述可压碎泡沫粒径200目。上述配比和泡沫粒径可显著增加胶黏性能。
所述保温夹芯板为无机复合聚苯不燃保温夹芯板，其具备燃烧等级A2级的不燃性能。
实施例5
聚氨酯胶可以由两种配方组成：
配方一：
二苯基甲烷二异氰酸酯50％～80％；
多元醇20％～50％；(聚酯多元醇、聚醚多元醇含－NH基，－OH基化合物)；
阻聚剂0.2‰～0.5‰；
阻燃剂10％～20％；(TCEP、PCPP)；
增塑剂2％～5％；(二丁酯、二甲酯、辛酯)；
充分混合(25℃静置24小时)
分析指标－NCO含量:2－5。
配方二：
包括1:1混合的A组份和B组份；
所述A组份
多元醇60％～80％；
乳化剂5％～15％；
催化剂1.5％～7％；
表面活性剂2％～4％；
水10％～25％；
所述B组份
二苯基甲烷二异氰酸酯60％～80％；
多元醇10％～40％；
阻燃剂10％～20％；
分析指标－NCO含量:15－25。
实施例6
本申请墙板的安装方法：
本申请制备的墙板为卡扣式和无卡扣式，卡扣板采用卡扣靠严的方式固定板材之间缝隙，高密度硅钙板之间是平面对接，需要加压打入耐候胶密封墙板。本发明设计的墙板底部具有U形固定卡槽，卡槽由燕尾钉与地梁固定，卡槽内有调节高度垫片，墙板卡于卡槽之中，由垫片调节高度找平。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (9)

1.无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
包括夹在墙体两侧的外面板(1)；
墙体中心的保温夹芯板(2)；
外面板(1)与保温夹芯板(2)之间的柔性胶黏层(3)；
所述柔性胶黏层(3)由混合在一起的可压碎泡沫(31)、纤维(32)和聚氨酯胶(33)组成；
所述保温夹芯板导热系数为0.042～0.050；
所述柔性胶黏层(3)中，纤维占比3—5％，可压碎泡沫占比2—5％，其余为聚氨酯胶；
其中，在所述柔性胶黏层(3)固化前，对所述外面板(1)与保温夹芯板(2)施加压力至所述可压碎泡沫(31)碎裂，并维持6小时。
2.根据权利要求1所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述外面板(1)为彩钢板或硅钙板。
3.根据权利要求1所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述保温夹芯板(2)为无机复合聚苯不燃保温夹芯板。
4.根据权利要求2所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述硅钙板内混有粉煤灰。
5.根据权利要求1所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述纤维为聚丙烯纤维、TPFE纤维或玻璃纤维中的任一种或多种以任意比例混合。
6.根据权利要求3所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述无机复合聚苯不燃保温夹芯板具备燃烧等级A2级的不燃性能。
7.根据权利要求1所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：所述可压碎泡沫粒径200目。
8.根据权利要求1所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述聚氨酯胶配方为：
二苯基甲烷二异氰酸酯50％～80％；
多元醇20％～50％；
阻聚剂0.2‰～0.5‰；
阻燃剂10％～20％；
增塑剂2％～5％。
9.根据权利要求1所述无机复合聚苯不燃保温夹芯板装配式墙体，其特征在于：
所述聚氨酯胶配方为：
包括1:1混合的A组份和B组份；
所述A组份：
多元醇60％～80％；
乳化剂5％～15％；
催化剂1.5％～7％；
表面活性剂2％～4％；
水10％～25％；
所述B组份
二苯基甲烷二异氰酸酯60％～80％；
多元醇10％～40％；
阻燃剂10％～20％。
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