CN110467887A - 一种tpo防水卷材及其铺设方式 - Google Patents

一种tpo防水卷材及其铺设方式 Download PDF

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CN110467887A
CN110467887A CN201910731619.2A CN201910731619A CN110467887A CN 110467887 A CN110467887 A CN 110467887A CN 201910731619 A CN201910731619 A CN 201910731619A CN 110467887 A CN110467887 A CN 110467887A
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waterproof roll
parts
layer
tpo waterproof
substrate layer
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李伟
李忠人
沈梦婷
黄正良
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Jiangsu Canlon Building Materials Co Ltd
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Abstract

本发明公开了一种TPO防水卷材及其铺设方式，其技术方案要点是一种TPO防水卷材，为层状结构，从下而上依次包括基材层和胶粘层，所述基材层上表面还设置有一层自清洁薄膜，通过该TPO防水卷材的不同结构组成决定着该卷材的铺设方式。该卷材有着优秀的防水性能、自清洁性能，可以很好地应用于极端恶劣环境；与基层之间的粘接处有着很好抗冲击性能和良好的粘结性能，大大提高了接触面的密封性；可以根据客户的要求及实际需要来选择不同的铺设方式，保证卷材性能稳定的同时，使卷材具备多样的选择灵活性，可以应用于彩钢板生锈漏水和屋面维修。

Description

一种TPO防水卷材及其铺设方式
技术领域
本发明涉及建筑防水卷材领域，更具体地说，它涉及一种TPO防水卷材及其铺设方式。
背景技术
TPO防水卷材是一种新的环保型高分子防水材料，由于其优异的物理力学性能、可靠的安装性及经过长期使用所证实的卓越表现，TPO防水卷材已经获得了广泛认可。在单层屋面防水系统中，TPO防水卷材具有EPDM防水卷材优异的耐候和低温性能和PVC防水卷材优异的焊接施工性能、且TPO防水卷材中不含有氯元素和增塑剂，因而具有长期的耐候性和热稳定等。
彩钢板广泛用于建筑家电和交通运输等行业，在建筑业中的钢结构厂房、机场、库房和冷冻等工业及商业建筑的屋顶墙面和门等上已经广泛采用彩钢板，但是用彩钢板做成的建筑屋顶、厂房等，在风吹、日晒、雨淋等环境下，时间长了就会出现破损，尤其是在彩钢板间的连接处，由于生锈而出现破损，破损的面积虽然不大，却会出现漏水、漏风等现象影响使用。现有的办法只能是将出现破损的彩钢板全部换掉，这样就影响彩钢板做成的建筑内的正常工作，同时大量的彩钢板被废弃掉，造成严重的浪费。
我们研发了一种TPO防水卷材，应用于彩钢板生锈漏水和屋面维修，该卷材有着优秀的防水性能、自清洁性能，可以很好地应用于极端恶劣环境；与基层之间的粘接处有着很好抗冲击性能和良好的粘结性能，大大提高了接触面的密封性；可以根据客户的要求及实际需要来选择不同的铺设方式，保证卷材性能稳定的同时，使卷材具备多样的选择灵活性。
发明内容
针对现有技术存在的不足，本发明的目的在于提供一种TPO防水卷材，应用于彩钢板生锈漏水和屋面维修，该卷材有着优秀的防水性能、自清洁性能，可以很好地应用于极端恶劣环境；与基层之间的粘接处有着很好抗冲击性能和良好的粘结性能，大大提高了接触面的密封性；可以根据客户的要求及实际需要来选择不同的铺设方式，保证卷材性能稳定的同时，使卷材具备多样的选择灵活性。
为实现上述目的，本发明提供了如下技术方案：
一种TPO防水卷材，为层状结构，从下而上依次包括基材层和胶粘层，所述基材层上表面还设置有一层自清洁薄膜，所述TPO防水卷材的结构组成决定该卷材的铺设方式。
优选地，所述基材层包括TPO100份、钛白粉2-5份和助剂0.5-3份；所述助剂包括抗氧剂、抗老化剂和稳定剂，称取比例为1:1:2；
优选地，所述基材层的制备方法如下：称取配方量所需原料，将原料经混合机混合形成混匀物料，再将所述混匀物料送入烘干筒中用热风烘干，然后将其送入螺杆挤出机，挤塑段温度设定为185℃～215℃，经高温塑化好的物料由模头挤出，模头温度设定为225℃～245℃，模头挤出的物料经三辊压延、定厚为0.8mm、冷却定型，得到基材层。
优选地，所述胶粘层包括：压敏胶80份、丙酸酯聚合物40-60份、松香树脂10份、石油树脂10份、萜烯类树脂剂20份、助剂1-3份，所述助剂包括相容剂、紫外线吸收剂和抗氧剂。
所述胶粘层的制备方法如下：将所述压敏胶、丙酸酯聚合物、松香树脂、石油树脂、萜烯类树脂剂、相容剂、紫外线吸收剂和抗氧剂，在150℃～180℃温度下混合搅拌直至物料溶解，热压复合成胶粘层。
优选地，所述基材层和胶粘层中间可设置有复合无纺布进行粘接，所述胶粘层上还设置有一层隔离膜，其铺设方式为：铺设时缓缓撕开隔离膜露出胶粘层与基层粘接，使得卷材铺贴在基层上。
通过采用上述技术方案，灵活性很大，可以有选择地进行铺设选择。
优选地，所述隔离膜为PET隔离膜层或LLDPE抗穿刺隔离膜层。
通过采用上述技术方案，避免卷材在放置或者运输过程中发生损坏，降低卷材的防水效果，同时高分子隔离膜可以很好地进行剥离。
优选地，所述胶粘层可以由人工刷胶来替代，所述人工刷胶为压敏胶；其铺设方式为：铺设时人工刷胶在复合无纺布表面，通过压敏胶使复合无纺布和基层粘接，使得卷材铺贴在基层上。
通过采用上述技术方案，可以很好地保证卷材和基层之间的粘接效果，密封性能良好，同时卷材结构简单，节省原料。
优选地，所述胶粘层可以由高分子胶膜来替代，其铺设方式为：铺设时通过吹送热风使高分子胶膜熔化基层粘接，冷却后，使得卷材铺贴在基层上。
通过采用上述技术方案，有利于卷材的贮存及运输，铺设方式灵活，具有优异的抗冲击性能和良好的粘结性能，可以进行反复粘合。
优选地，所述高分子胶膜包括双酚A型环氧树脂60-80份、聚醚砜25-45份、增粘树脂10-30份、纳米蒙脱土5-10份和增韧剂2-6份。
优选地，所述高分子胶膜的制备方法如下：
步骤1：在50℃～100℃条件下，将增粘树脂、聚醚砜、纳米蒙脱土混合后通过高速混合机以800～1200r/min的速度混合30min后，得到混合物；
步骤2：将混合物、增韧剂和双酚A型环氧树脂，放入双螺杆挤出机，进行熔融、挤出和造粒，得到热塑性高分子涂料后压延成胶膜，热压复合在基材层上。
优选地，所述自清洁薄膜包括硅丙乳液2g、纳米二氧化钛溶胶1-6g和水2-8g；
所述自清洁薄膜的制备方法如下：称取上述原料，依次加入硅丙乳液、水和纳米二氧化钛溶胶，在60℃条件下搅拌3h，得到自清洁涂料后压延成膜，热压复合在基材层上。
通过采用上述技术方案，使得卷材具备更加优良的防水性能，是卷材具备优异的自清洁性能和耐酸碱腐蚀性能。
综上所述，本发明具有以下有益效果：
1、该卷材有着十分优秀的防水性能，自清洁薄膜的增设使得卷材的防水性能更进一层，同时使得卷材具备优异的自清洁性能和耐酸碱性能，可以很好地应用于极端恶劣环境；
2、该防水卷材与基层之间的粘接处有着很好抗冲击性能和良好的粘结性能，大大提高了接触面的密封性，同时可以在恶劣天气下，保持粘接结构的稳定性，很好地起到防水的作用，
3、该防水卷材的结构组成决定了该卷材的铺设方式，可以根据客户的要求及实际需要来选择不同的铺设方式，保证卷材性能稳定的同时，使卷材具备多样的选择灵活性，可以应用于彩钢板生锈漏水和屋面维修。
具体实施方式
本具体实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。
实施例1：
一种TPO防水卷材，为层状结构，从下而上依次包括基材层和胶粘层，所述基材层上表面还设置有一层自清洁薄膜，所述基材层和胶粘层中间可设置有复合无纺布进行粘接，所述胶粘层上还设置有一层隔离膜，所述隔离膜为PET隔离膜层或LLDPE抗穿刺隔离膜层。
所述基材层包括：TPO100份、钛白粉2-5份和助剂0.5-3份；所述助剂包括抗氧剂、抗老化剂和稳定剂，称取比例为1:1:2；
所述基材层的制备方法如下：称取配方量所需原料，将原料经混合机混合形成混匀物料，再将所述混匀物料送入烘干筒中用热风烘干，然后将其送入螺杆挤出机，挤塑段温度设定为185℃～215℃，经高温塑化好的物料由模头挤出，模头温度设定为225℃～245℃，模头挤出的物料经三辊压延、定厚为0.8mm、冷却定型，得到基材层。
所述胶粘层包括：压敏胶80份、丙酸酯聚合物40-60份、松香树脂10份、石油树脂10份、萜烯类树脂剂20份、助剂1-3份，所述助剂包括相容剂、紫外线吸收剂和抗氧剂。
所述胶粘层的制备方法如下：将所述压敏胶、丙酸酯聚合物、松香树脂、石油树脂、萜烯类树脂剂、相容剂、紫外线吸收剂和抗氧剂，在150℃～180℃温度下混合搅拌直至物料溶解，热压复合成胶粘层。
所述自清洁薄膜包括硅丙乳液2g、纳米二氧化钛溶胶6g和水8g；所述自清洁薄膜的制备方法如下：称取上述原料，依次加入硅丙乳液、水和纳米二氧化钛溶胶，在60℃条件下搅拌3h，得到自清洁涂料后压延成膜，热压复合在基材层上。
其铺设方式为：铺设时缓缓撕开隔离膜露出胶粘层与基层粘接，使得卷材铺贴在基层上。
采用GB27789-2011《热塑性聚烯烃(TPO)防水卷材》标准对卷材进行检测：拉伸强度≧12MPa：25MPa，不透水性：0.3MPa，2h不透水；抗冲击性：0.5Kg·m，不渗水；接缝剥离强度(≧3N/mm)：8.5N/mm。断裂伸长率(≧250％)为350％，酸处理后的断裂伸长率(≧180％)为280％，碱处理后的断裂伸长率(≧200％)为330％。
采用GB/T 9780-2013《建筑涂料涂层耐沾污性试验方法》进行测试：耐沾污性等级为0级，无污染。
实施例2：
一种TPO防水卷材，为层状结构，从下而上依次包括基材层和胶粘层，所述基材层上表面还设置有一层自清洁薄膜，所述基材层和胶粘层中间可设置有复合无纺布进行粘接，与实施例1所不同的是：所述胶粘层可以由人工刷胶来替代，所述人工刷胶为压敏胶，无需隔离膜。
其铺设方式为：铺设时人工刷胶在复合无纺布表面，通过压敏胶使复合无纺布和基层粘接，使得卷材铺贴在基层上。
采用GB27789-2011《热塑性聚烯烃(TPO)防水卷材》标准对卷材进行检测：拉伸强度≧12MPa：20MPa，不透水性：0.3MPa，2h不透水；抗冲击性：0.5Kg·m，不渗水；接缝剥离强度(≧3N/mm)：6.5N/mm。断裂伸长率(≧250％)为300％，酸处理后的断裂伸长率(≧180％)为250％，碱处理后的断裂伸长率(≧200％)为300％。
采用GB/T 9780-2013《建筑涂料涂层耐沾污性试验方法》进行测试：耐沾污性等级为0级，无污染。
实施例3：
一种TPO防水卷材，为层状结构，从下而上依次包括基材层和胶粘层，所述基材层上表面还设置有一层自清洁薄膜。
与实施例1所不同的是：所述胶粘层可以由高分子胶膜来替代，无需复合无纺布和隔离膜，所述高分子胶膜包括双酚A型环氧树脂80份、聚醚砜25份、增粘树脂30份、纳米蒙脱土5份和增韧剂2份。所述高分子胶膜的制备方法如下：
步骤1：在50℃～100℃条件下，将增粘树脂、聚醚砜、纳米蒙脱土混合后通过高速混合机以800～1200r/min的速度混合30min后，得到混合物；
步骤2：将混合物、增韧剂和双酚A型环氧树脂，放入双螺杆挤出机，进行熔融、挤出和造粒，得到热塑性高分子涂料后压延成胶膜，热压复合在基材层上。
其铺设方式为：铺设时通过吹送热风使高分子胶膜熔化基层粘接，冷却后，使得卷材铺贴在基层上。
采用GB27789-2011《热塑性聚烯烃(TPO)防水卷材》标准对卷材进行检测：拉伸强度≧12MPa：30MPa，不透水性：0.3MPa，2h不透水；抗冲击性：0.5Kg·m，不渗水；接缝剥离强度(≧3N/mm)：8.5N/mm。断裂伸长率(≧250％)为400％，酸处理后的断裂伸长率(≧180％)为330％，碱处理后的断裂伸长率(≧200％)为380％。
采用GB/T 9780-2013《建筑涂料涂层耐沾污性试验方法》进行测试：耐沾污性等级为0级，无污染。

Claims (10)

1.一种TPO防水卷材，为层状结构，从下而上依次包括基材层和胶粘层，其特征在于：所述基材层上表面还设置有一层自清洁薄膜，所述TPO防水卷材的结构组成决定该卷材的铺设方式。
2.根据权利要求1所述的一种TPO防水卷材，其特征在于：所述基材层包括：TPO100份、钛白粉2-5份和助剂0.5-3份；所述助剂包括抗氧剂、抗老化剂和稳定剂，称取比例为1:1:2；
所述基材层的制备方法如下：称取配方量所需原料，将原料经混合机混合形成混匀物料，再将所述混匀物料送入烘干筒中用热风烘干，然后将其送入螺杆挤出机，挤塑段温度设定为185℃～215℃，经高温塑化好的物料由模头挤出，模头温度设定为225℃～245℃，模头挤出的物料经三辊压延、定厚为0.8mm、冷却定型，得到基材层。
3.根据权利要求1所述的一种TPO防水卷材，其特征在于：所述胶粘层包括：压敏胶80份、丙酸酯聚合物40-60份、松香树脂10份、石油树脂10份、萜烯类树脂剂20份、助剂1-3份，所述助剂包括相容剂、紫外线吸收剂和抗氧剂；
所述胶粘层的制备方法如下：将所述压敏胶、丙酸酯聚合物、松香树脂、石油树脂、萜烯类树脂剂、相容剂、紫外线吸收剂和抗氧剂，在150℃～180℃温度下混合搅拌直至物料溶解，热压复合成胶粘层。
4.根据权利要求1所述的一种TPO防水卷材，其特征在于：所述基材层和胶粘层中间可设置有复合无纺布进行粘接，所述胶粘层上还设置有一层隔离膜，其铺设方式为：铺设时缓缓撕开隔离膜露出胶粘层与基层粘接，使得卷材铺贴在基层上。
5.根据权利要求4所述的一种TPO防水卷材，其特征在于：所述隔离膜为PET隔离膜层或LLDPE抗穿刺隔离膜层。
6.根据权利要求1所述的一种TPO防水卷材，其特征在于：所述胶粘层可以由人工刷胶来替代，所述人工刷胶为压敏胶；其铺设方式为：铺设时人工刷胶在复合无纺布表面，通过压敏胶使复合无纺布和基层粘接，使得卷材铺贴在基层上。
7.根据权利要求1所述的一种TPO防水卷材，其特征在于：所述胶粘层可以由高分子胶膜来替代，其铺设方式为：铺设时通过吹送热风使高分子胶膜熔化基层粘接，冷却后，使得卷材铺贴在基层上。
8.根据权利要求7所述的一种TPO防水卷材，其特征在于：所述高分子胶膜包括双酚A型环氧树脂60-80份、聚醚砜25-45份、增粘树脂10-30份、纳米蒙脱土5-10份和增韧剂2-6份。
9.根据权利要求8所述的一种TPO防水卷材，其特征在于：所述高分子胶膜的制备方法如下：
步骤1：在50℃～100℃条件下，将增粘树脂、聚醚砜、纳米蒙脱土混合后通过高速混合机以800～1200r/min的速度混合30min后，得到混合物；
步骤2：将混合物、增韧剂和双酚A型环氧树脂，放入双螺杆挤出机，进行熔融、挤出和造粒，得到热塑性高分子涂料后压延成胶膜，热压复合在基材层上。
10.根据权利要求1所述的一种TPO防水卷材，其特征在于：所述自清洁薄膜包括硅丙乳液2g、纳米二氧化钛溶胶1-6g和水2-8g；
所述自清洁薄膜的制备方法如下：称取上述原料，依次加入硅丙乳液、水和纳米二氧化钛溶胶，在60℃条件下搅拌3h，得到自清洁涂料后压延成膜，热压复合在基材层上。
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