CN112519345A - 一种复合隔热瓦 - Google Patents

一种复合隔热瓦 Download PDF

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CN112519345A
CN112519345A CN202011380858.7A CN202011380858A CN112519345A CN 112519345 A CN112519345 A CN 112519345A CN 202011380858 A CN202011380858 A CN 202011380858A CN 112519345 A CN112519345 A CN 112519345A
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parts
heat insulation
density polyethylene
tile according
galvanized steel
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范德辉
黄昌政
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Heyuan Plg New Materials Co ltd
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Heyuan Plg New Materials Co ltd
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Abstract

本发明提供了一种复合隔热瓦，所述复合隔热瓦包括以下结构：外层为铝箔或者镀铝膜；里层为镀锌钢板；镀锌钢板和镀锌钢板之间具有粘接胶膜；所述粘接胶膜将外层的铝箔或者镀铝膜和里层的镀锌钢板粘接在一起。本发明的复合隔热瓦是由多层材料复合而成，外层为铝箔或者镀铝膜，反射能力较好，阳光照射在隔热瓦上后，热量大部分被铝箔或者镀铝膜反射，隔热效果较好，里层为镀锌钢板，具有良好的防腐蚀作用。

Description

一种复合隔热瓦
技术领域
本发明属于建筑材料技术领域，具体涉及一种复合隔热瓦。
背景技术
近年来，环保建材、节能建材正在被广大用户认可，隔热瓦作为一种新型建材，广泛应用于建筑领域中。目前，一般隔热瓦均采用水泥或石棉制成，这些隔热瓦对光的反射能力较差，阳光照射在隔热瓦上后，热量大部分被隔热瓦吸收，隔热瓦将成为热源，隔热效果较差。另外但这些产品在隔热、防火防水、耐腐蚀、强度、抗风性和环保性等方面的性能均存在不同程度的缺陷，无法满足客户的需求。
发明内容
本发明的目的在于提供一种新型复合隔热瓦，所述隔热瓦是由多层材料复合而成，外层为铝箔或者镀铝膜，反射能力较好，阳光照射在隔热瓦上后，热量大部分被铝箔或者镀铝膜反射，隔热效果较好，里层为镀锌钢板，镀锌具有防腐蚀的作用，具体方案如下：
一种复合隔热瓦，所述复合隔热瓦包括以下结构：外层为铝箔或者镀铝膜；里层为镀锌钢板；镀锌钢板和镀锌钢板之间具有粘接胶膜；所述粘接胶膜将外层的铝箔或者镀铝膜和里层的镀锌钢板粘接在一起。
优选的，所述铝箔或者镀铝膜厚度为0.01-0.1mm,所述镀锌钢板的厚度为0.1-0.5mm,所述粘接胶膜的厚度为0.01-0.05mm。
优选的，所述粘接胶膜由以下重量组分原料的胶粘剂制成：线性低密度聚乙烯5-20份、官能化改性聚乙烯母粒10-30份、乙烯-醋酸乙烯共聚物10-40份、低密度聚乙烯20-40份、抗冲击性聚苯乙烯5-20份、PPA加工助剂母粒0.3-1.5份。
优选的，所述粘接胶膜由以下重量组分原料的胶粘剂制成：线性低密度聚乙烯10-15份、官能化改性聚乙烯母粒15-25份、乙烯-醋酸乙烯共聚物20-30份、低密度聚乙烯30-35份、抗冲击性聚苯乙烯10-18份、PPA加工助剂母粒0.4-1.0份。
优选的，所述官能化改性聚乙烯母粒由以下重量份原料制成：茂金属线性低密度聚乙烯90-98份、聚丙烯1-5份、苯乙烯异戊二烯-苯乙烯-嵌段共聚物1-5份，引发剂0.01-0.05份、不饱和羧酸和/或不饱和酸酐单体0.5-2份。
优选的，所述不饱和羧酸和/或不饱和酸酐单体为顺丁烯二酸酐、顺丁烯二酸酐衍生物、甲基丙烯酸和甲基丙烯酸衍生物中的至少一种。
优选的，所述引发剂为过氧化二苯甲酰、双二五引发剂和1,4-双(叔丁基过氧基而已丙基)苯中的至少一种。
优选的，所述茂金属线性低密度聚乙烯为乙烯和a-烯烃的共聚物，其中a-烯烃优选为1-己烯或1-丁烯。
优选的，所述原料还包括0.08-0.15重量份抗氧剂。
优选的，所述抗氧剂为受阻酚类抗氧剂。
本发明的新型隔热瓦作为一种复合的新型建筑，其光线反射率高，隔热效果好，具有良好的防腐蚀作用。同时其重量大幅降低，安装更为便捷。其外观具有铝材隔热、美观、高档的优点。
进一步，粘接胶膜的胶粘剂由线性低密度聚乙烯、官能化改性聚乙烯母粒、PPA加工助剂母粒、乙烯-醋酸乙烯共聚物、低密度聚乙烯、抗冲击性聚苯乙烯，其中，官能化改性聚乙烯母粒由茂金属线性低密度聚乙烯、聚丙烯、苯乙烯异戊二烯-苯乙烯-嵌段共聚物，引发剂、不饱和羧酸和/或不饱和酸酐单体制备获得。乙烯-醋酸乙烯共聚物能够降低粘结剂的加工温度；聚丙烯能减少交联反应，从而降低产品的晶点；高抗冲聚苯乙烯有效的提高了粘接树脂中极性与非极性的分离，有利于提高粘接反应速度，从而提高生产速度；官能化改性聚乙烯母粒选用苯乙烯异戊二烯-苯乙烯-嵌段共聚物可配合高抗冲聚苯乙烯同时提高与铝膜和镀锌钢板的粘接强度；从而得到的粘接胶膜具有较低的熔点，晶点少，成膜性能优异，粘结性能强，粘结速度快的优点，能使外层的铝箔或者镀铝膜和里层为镀锌钢板粘接在一起。
具体实施方式
下面将结合实施例对本发明的实施方案进行详细描述，但是本领域技术人员将会理解，下列实施例仅用于说明本发明，而不应视为限制本发明的范围。实施例中未注明具体条件者，按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者，均为可以通过市售购买获得的常规产品。
一种复合隔热瓦，所述复合隔热瓦包括以下结构：外层为铝箔或者镀铝膜；里层为镀锌钢板；镀锌钢板和镀锌钢板之间具有粘接胶膜；所述粘接胶膜将外层的铝箔或者镀铝膜和里层的镀锌钢板粘接在一起。
本发明具体实施方式的复合隔热瓦，外层为铝箔或者镀铝膜其正面还粘贴一层PET保护膜。
本发明具体实施方式的复合隔热瓦，所述铝箔或者镀铝膜厚度为0.01-0.1mm,所述铝箔或者镀铝膜非限制的厚度为0.01mm、0.02mm、0.03mm、0.04mm、0.05mm、0.06mm、0.07mm、0.08mm、0.09mm或0.1mm等；所述镀锌钢板的厚度为0.1-0.5mm,所述镀锌钢板非限制的厚度为0.1mm、0.2mm、0.3mm、0.4mm或0.5mm等；所述粘接胶膜的厚度为0.01-0.05mm，所述粘接胶膜非限制的厚度为0.01mm、0.02mm、0.03mm、0.04mm或0.05mm等。
本发明具体实施方式的复合隔热瓦，所述粘接胶膜的胶粘剂主要由以下重量份的原料制成：线性低密度聚乙烯5-20份、官能化改性聚乙烯母粒10-30份、乙烯-醋酸乙烯共聚物10-40份、低密度聚乙烯20-40份、抗冲击性聚苯乙烯5-20份、PPA加工助剂母粒0.3-1.5份；其中，所述官能化改性聚乙烯母粒由以下重量份原料制成：茂金属线性低密度聚乙烯90-98份、聚丙烯1-5份、苯乙烯异戊二烯-苯乙烯-嵌段共聚物1-5份，引发剂0.01-0.05份、不饱和羧酸和/或不饱和酸酐单体0.5-2份。
本发明具体实施方式的复合隔热瓦，所述粘接胶膜的粘结剂通过特定用量的各原料之间的协同配合，得到的胶粘剂具有较低的熔点，晶点少，成膜性能优异，对隔热瓦的多层结构具有优异的粘接性能粘结性能强，粘结速度快的优点。
茂金属线性低密度聚乙烯为乙烯和a-烯烃的共聚物，其中a-烯烃优选为1-己烯或1-丁烯。茂金属线性低密度聚乙烯为90-98份，茂金属线性低密度聚乙烯典型但非限制性的重量份为90份、91份、92份、93份、94份、95份、96份、97份或98份。
聚丙烯为均聚聚丙烯，其可选的熔融指数为10-20g/10min。聚丙烯为1-5份，聚丙烯典型但非限制性的重量份为1份、2份、3份、4份或5份。
官能化改性聚乙烯母粒为10-30份，优选为15-25份，官能化改性聚乙烯母粒典型但非限制性的重量份为15份、16份、17份、18份、19份或20份等。
线性低密度聚乙烯为乙烯和a-烯烃的共聚物，其可选的密度为0.918-0.935g/cm3，其可选的熔融指数为10-20g/10min。线性低密度聚乙烯优选为10-15份，线性低密度聚乙烯典型但非限制性的重量份为10份、11份、12份、13份、14份或15份等。
乙烯-醋酸乙烯共聚物其可选的醋酸乙烯含量为15％-30％。乙烯-醋酸乙烯共聚物优选为20-30份，乙烯-醋酸乙烯共聚物典型但非限制性的重量份为20份、21份、22份、23份、24份、25份、26份、27份、28份、29份或30份等。
低密度聚乙烯，熔融指数为10-20g/10min，含量优选为30-35份，典型但非限制性的重量份为30份、31份、32份、33份、34份或35份等。
抗冲击性聚苯乙烯，熔融指数为2-10g/10min。抗冲击性聚苯乙烯为5-20份，优选为10-18份，抗冲击性聚苯乙烯典型但非限制性的重量份为10份、11份、12份、13份、14份、15份、16份、17份或18份等。
作为进一步优选的技术方案，不饱和羧酸和/或不饱和酸酐单体为顺丁烯二酸酐、顺丁烯二酸酐衍生物、甲基丙烯酸和甲基丙烯酸衍生物中的至少一种。在该优选的实施方式中，顺丁烯二酸酐和甲基丙烯酸及其衍生物接枝在茂金属线性低密度聚乙烯上，有助于提高接枝率和极性，进而为胶黏剂提供稳定的粘接性能。
作为进一步优选的技术方案，所述引发剂为过氧化二苯甲酰、双二五引发剂和1,4-双(叔丁基过氧基而已丙基)苯中的至少一种。
作为进一步优选的技术方案，所述原料还包括0.08-0.15重量份抗氧剂，优选地，所述抗氧剂为受阻酚类抗氧剂，优选为受阻酚型季戊四醇酯类抗氧剂。
根据本发明具体实施方式的复合隔热瓦，提供了上述胶粘剂的制备方法，包括以下步骤：
(a)将茂金属线性低密度聚乙烯、聚丙烯、苯乙烯异戊二烯-苯乙烯-嵌段共聚物，引发剂、不饱和羧酸和/或不饱和酸酐单体混匀，挤出得到官能化改性聚乙烯母粒；
(b)将步骤(a)制得的官能化改性聚乙烯母粒与线性低密度聚乙烯、乙烯-醋酸乙烯共聚物、低密度聚乙烯、抗冲击性聚苯乙烯和抗氧剂混匀，挤出得到胶粘剂。
步骤(a)中，挤出的温度为50-230℃，和/或，螺杆转速为200-400rpm，优选为250-350rpm。步骤(b)中，挤出的温度为50-220℃，和/或，螺杆转速为200-400rpm，优选为250-320rpm。
挤出机的温度分为8-12段，进料段温度为50℃，随着物料流动的方向，温度逐渐增加，最终，出料口的温度为210℃。
本发明通过将原料混匀后挤出即可制备得到胶粘剂。工艺流程简单、操作简便、易于实施，处理原料来源广、经济易得、为无毒、环保型原料。本发明对环境、场地、设备等无特殊限制，所采用的原料价格低廉，安全环保性能好，对设备要求低，投资成本低，实用性和适应性强，是一种环保、节能、高效、低成本的胶粘剂制备方法，可以在较低的成本下实现高量的生产，易于推广应用。
需要说明的是，本发明对挤出的方式没有特殊的限制，采用本领域技术人员所熟知的挤出方式挤出即可。如可以是双螺杆挤出，也可以是单螺杆挤出。
下面将结合实施例和对比例对本发明的技术方案进行进一步地说明。
实施例
实施例1-3，对比例1官能化改性聚乙烯的制备：
实施例1-3以及对比例1的官能化改性聚乙烯，按下表1照配方比例(重量百分比)原料混合均匀后，经过反应型双螺杆挤出机实施塑化共混工艺挤出造粒制备得到，其双螺杆挤出机的长径比L:D≥40:1，挤出加工温度范围50-230℃。
表1实施例1-3和对比例1官能化改性聚乙烯的原料配方比例
实施例1 实施例2 实施例3 对比例1
MLLDPE 95 95 95 95
均聚PP 3 3 3 3
SIS 2 2 2
POE 2
双-2,5-己烷 0.02 0.02 0.02 0.02
马来酸酐单体 1 1 1 1
隔热瓦用粘接树脂的制备
实施例1-3以及对比例1的隔热瓦用粘接树脂，按下表1照配方比例(重量百分比)原料混合均匀后，经过反应型双螺杆挤出机实施塑化共混工艺挤出造粒制备获得，其主机转速为250-450rpm，双螺杆挤出机的长径比L:D≥40:1，挤出加工温度范围50-220℃。
表2实施例1-3和对比例1官能化改性聚乙烯的原料配方比例
实施例1 实施例2 实施例3 对比例1
LLDPE 10 12 14 10
官能化改性聚乙烯 21 20 18 21
EVA 27 25 22 27
LDPE 31 30 30 31
HIPS 11 13 16 11
PPA母粒 0.5 0.5 0.5 0.5
抗氧剂A1010 0.1 0.1 0.1 0.1
抗氧剂B245 0.1 0.1 0.1 0.1
将实施例1-3和对比例1的产物分别吹成0.03mm厚的胶膜，然后分别制得隔热瓦1,2,3,4隔热瓦结构：铝箔/胶膜/镀锌板,其性能测试如下表3中。其中，所述剥离强度测试采用GB/T 1457-2005进行测试，熔融指数采用GB3682-2000进行测试，密度采用GB1033-1986进行测试，拉伸性能采用GB/T 1040-2006进行测试，邵氏硬度采用GB9342-1988进行测试，晶点数量为1m2中的晶点个数。
表3其它物性测试结果
Figure BDA0002808438810000101
应当理解的是，上述制备方法的说明中未详细描述的内容，均是本领域技术人员容易想到的常用参数，因此可以省略对其的详细说明。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (10)

1.一种复合隔热瓦，其特征在于，所述复合隔热瓦包括以下结构：
外层为铝箔或者镀铝膜；
里层为镀锌钢板；
镀锌钢板和镀锌钢板之间具有粘接胶膜；
所述粘接胶膜将外层的铝箔或者镀铝膜和里层的镀锌钢板粘接在一起。
2.根据权利要求1所述的隔热瓦，其特征在于，所述铝箔或者镀铝膜厚度为0.01-0.1mm,所述镀锌钢板的厚度为0.1-0.5mm,所述粘接胶膜的厚度为0.01-0.05mm。
3.根据权利要求1所述的隔热瓦，其特征在于，所述粘接胶膜由以下重量组分原料的胶粘剂制成：
线性低密度聚乙烯5-20份、官能化改性聚乙烯母粒10-30份、乙烯-醋酸乙烯共聚物10-40份、低密度聚乙烯20-40份、抗冲击性聚苯乙烯5-20份、PPA加工助剂母粒0.3-1.5份。
4.根据权利要求2所述的隔热瓦，其特征在于，所述粘接胶膜由以下重量组分原料的胶粘剂制成：
线性低密度聚乙烯10-15份、官能化改性聚乙烯母粒15-25份、乙烯-醋酸乙烯共聚物20-30份、低密度聚乙烯30-35份、抗冲击性聚苯乙烯10-18份、PPA加工助剂母粒0.4-1.0份。
5.根据权利要求3所述的隔热瓦，其特征在于，所述官能化改性聚乙烯母粒由以下重量份原料制成：
茂金属线性低密度聚乙烯90-98份、聚丙烯1-5份、苯乙烯异戊二烯-苯乙烯-嵌段共聚物1-5份，引发剂0.01-0.05份、不饱和羧酸和/或不饱和酸酐单体0.5-2份。
6.根据权利要求5所述的隔热瓦，其特征在于，所述不饱和羧酸和/或不饱和酸酐单体为顺丁烯二酸酐、顺丁烯二酸酐衍生物、甲基丙烯酸和甲基丙烯酸衍生物中的至少一种。
7.根据权利要求5所述的隔热瓦，其特征在于，所述引发剂为过氧化二苯甲酰、双二五引发剂和1,4-双(叔丁基过氧基而已丙基)苯中的至少一种。
8.根据权利要求5所述的隔热瓦，其特征在于，所述茂金属线性低密度聚乙烯为乙烯和a-烯烃的共聚物，其中a-烯烃优选为1-己烯或1-丁烯。
9.根据权利要求5所述的隔热瓦，其特征在于，所述原料还包括0.08-0.15重量份抗氧剂。
10.根据权利要求9所述的隔热瓦，其特征在于，所述抗氧剂为受阻酚类抗氧剂。
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CN205000559U (zh) * 2015-09-15 2016-01-27 尹炳强 一种新型隔热瓦
CN107813562A (zh) * 2017-02-16 2018-03-20 江苏派恩新型材料有限公司 一种复合隔热瓦
CN111154427A (zh) * 2019-12-30 2020-05-15 河源市普立隆新材料科技有限公司 一种铝天花板胶膜结构及其铝天花板结构

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CN103216045A (zh) * 2013-04-11 2013-07-24 李忠德 铝塑钢复合隔热瓦
CN205000559U (zh) * 2015-09-15 2016-01-27 尹炳强 一种新型隔热瓦
CN107813562A (zh) * 2017-02-16 2018-03-20 江苏派恩新型材料有限公司 一种复合隔热瓦
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