CN111923530A - 一种耐盐碱沥青防水卷材 - Google Patents

一种耐盐碱沥青防水卷材 Download PDF

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CN111923530A
CN111923530A CN201910400618.XA CN201910400618A CN111923530A CN 111923530 A CN111923530 A CN 111923530A CN 201910400618 A CN201910400618 A CN 201910400618A CN 111923530 A CN111923530 A CN 111923530A
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邬素华
王浩喜
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Tianjin University of Science and Technology
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Abstract

本发明涉及一种耐盐碱沥青防水卷材，所述耐盐碱沥青防水卷材按重量份数由以下原料组成：石油沥青100份，环烷油24份，聚丙烯9份，改性剂9份，硫化剂0.5～3份，硅烷偶联剂(YDH‑550)7份，废胶粉10份，超细硅微粉3～15份。本发明以聚酯纤维作为胎基，胎基上下表面涂覆改性沥青层，改性沥青层表面覆隔离层；改性沥青位于隔离层与胎基层之间。该卷材可应用于沿海地区和高盐碱地区，具有良好的抗氯离子渗透性能和耐盐碱腐蚀能力，能有效的保护建筑结构主体。本发明所采用的生产工艺简单，生产所需的热能较少，可有效降低生产成本。

Description

一种耐盐碱沥青防水卷材
技术领域
本发明属于建筑防水材料技术领域，具体涉及一种耐盐碱型聚合物改性沥青防水卷材及其制备方法。
背景技术
防水材料广泛应用于工业和民用建筑的屋顶、道路、桥梁等工程的防水防潮，是当今社会土建、房建、水利、桥梁等工程上使用最不可或缺的建筑材料。在沿海地区的屋顶和高盐碱地区的地下建筑防水工程，由于其特殊的使用环境，普通的防水卷材在这种特殊条件下极易被该地区的高盐碱度腐蚀，造成防水性能的衰退，从而导致了该地区的漏水与渗水等问题出现。
因此，研究一种经济实用、工艺简单、效果显著的耐盐碱沥青防水卷材非常必要。
发明内容
本发明的目的在于提供一种耐盐碱沥青防水卷材及其制备方法，该卷材工艺简单，耐盐碱性良好，适合沿海地区的屋顶和高盐碱地域使用。
为实现上述目的，本发明采用如下技术方案：
一种耐盐碱沥青防水卷材，所述防水卷材按重量份数由以下原料组成：
Figure BSA0000183122110000011
优选地，所述石油沥青为70号沥青。
优选地，所述改性剂为苯乙烯一丁二烯一苯乙烯(SBS)，牌号为4402、4452、1301-3、1301、4303中的一种。
优选地，所述硫化剂为所述硫化剂为BIPB或2，5-二甲基-2，5-双(叔丁基过氧基)己烷(双二五)其中一种。
优选地，所述隔离层为PE隔离膜、PET隔离膜、PVC隔离膜、PP隔离膜、PA隔离膜、硅油纸膜中的一种。
而且，上述沥青防水卷材的制备方法为：将沥青、环烷油加入反应釜中混合搅拌，融化后升温至190℃，加入改性剂SBS与聚丙烯颗粒，搅拌保温2h，至SBS与聚丙烯颗粒完全融入沥青体系，加入计量好的硫化剂，搅拌保温0.5h，加入废胶粉，搅拌保温1h。降温至165℃，加入滑石粉与硅烷偶联剂，搅拌保温1h，即得改性沥青。随后对胎基进行侵渍、复合成型及卷曲等工序即可。
本发明的优点和有益效果：
1、本发明提供了一种耐盐碱沥青防水卷材的新思路，将沥青内有机物进行有序排列，提高覆盖层的致密性，从而提高卷材的耐盐碱能力。
2、本发明所采用的生产工艺简单，生产所需的热能较少，可有效降低生产成本。
具体实施方式
下面结合实施例对本发明作进一步详细的描述，但本发明的实施方式不限于此。
实施例1
一种耐盐碱沥青防水卷材配方为：石油沥青100份，环烷油24份，聚丙烯9份，改性剂9份，硫化剂BIPB0.7份，硅烷偶联剂(YDH-550)7份，废胶粉10份，超细硅微粉3份。
将沥青、环烷油加入反应釜中混合搅拌，融化后升温至190℃，加入改性剂SBS与聚丙烯颗粒，搅拌保温2h，至SBS与聚丙烯颗粒完全融入沥青体系，加入计量好的硫化剂，搅拌保温0.5h，加入废胶粉，搅拌保温1h。降温至165℃，加入超细硅微粉与硅烷偶联剂，搅拌保温1h，即得改性沥青。随后对胎基进行侵渍、复合成型及卷曲等工序。
实施例2
一种耐盐碱沥青防水卷材配方为：石油沥青100份，环烷油24份，聚丙烯9份，改性剂9份，硫化剂BIPB0.9份，硅烷偶联剂(YDH-550)7份，废胶粉10份，超细硅微粉6份。
将沥青、环烷油加入反应釜中混合搅拌，融化后升温至190℃，加入改性剂SBS与聚丙烯颗粒，搅拌保温2h，至SBS与聚丙烯颗粒完全融入沥青体系，加入计量好的硫化剂，搅拌保温0.5h，加入废胶粉，搅拌保温1h。降温至165℃，加入超细硅微粉与硅烷偶联剂，搅拌保温1h，即得改性沥青。随后对胎基进行侵渍、复合成型及卷曲等工序。
实施例3
一种耐盐碱沥青防水卷材配方为：石油沥青100份，环烷油24份，聚丙烯9份，改性剂9份，硫化剂双二五2份，硅烷偶联剂(YDH-550)7份，废胶粉10份，超细硅微粉9份。
将沥青、环烷油加入反应釜中混合搅拌，融化后升温至190℃，加入改性剂SBS与聚丙烯颗粒，搅拌保温2h，至SBS与聚丙烯颗粒完全融入沥青体系，加入计量好的硫化剂，搅拌保温0.5h，加入废胶粉，搅拌保温1h。降温至165℃，加入超细硅微粉与硅烷偶联剂，搅拌保温1h，即得改性沥青。随后对胎基进行侵渍、复合成型及卷曲等工序。
实施例4
一种耐盐碱沥青防水卷材配方为：石油沥青100份，环烷油24份，聚丙烯9份，改性剂9份，硫化剂双二五3份，硅烷偶联剂(YDH-550)7份，废胶粉10份，超细硅微粉12份。
将沥青、环烷油加入反应釜中混合搅拌，融化后升温至190℃，加入改性剂SBS与聚丙烯颗粒，搅拌保温2h，至SBS与聚丙烯颗粒完全融入沥青体系，加入计量好的硫化剂，搅拌保温0.5h，加入废胶粉，搅拌保温1h。降温至165℃，加入超细硅微粉与硅烷偶联剂，搅拌保温1h，即得改性沥青。随后对胎基进行侵渍、复合成型及卷曲等工序。
表1为耐盐碱沥青防水卷材性能测试结果
Figure BSA0000183122110000031

Claims (6)

1.一种耐盐碱沥青防水卷材，其特征在于，以玻纤毡或聚醋毡为胎基层，胎基层上面涂覆改性沥青层，改性沥青层表面覆隔离层，改性沥青胶料层位于覆面层和中间胎体层之间；所述改性沥青胶料层由以下重量份的原料组成：
Figure FSA0000183122100000011
2.根据权利要求1所述耐盐碱沥青防水卷材，其特征在于，所述石油沥青为70号沥青，针入度为60-80(25℃/0.1mm)，软化点为48-55℃，沥青质的含量在15％-18％。
3.根据权利要求1所述耐盐碱沥青防水卷材，其特征在于，所述改性剂为苯乙烯一丁二烯一苯乙烯(SBS)，牌号为4402、4452、1301-3、1301、4303中的一种。
4.根据权利要求1所述耐盐碱沥青防水卷材，其特征在于，所述硫化剂为BIPB或2，5-二甲基-2，5-双(叔丁基过氧基)己烷(双二五)其中一种。
5.根据权利要求1所述耐盐碱沥青防水卷材，其特征在于，所述隔离层为PE隔离膜、PET隔离膜、PVC隔离膜、PP隔离膜、PA隔离膜、硅油纸膜中的一种。
6.根据权利要求1～5中任一权利要求所述的耐盐碱沥青防水卷材的制备方法，其特征在于：将沥青、环烷油加入反应釜中混合搅拌，融化后升温至190℃，加入改性剂SBS与聚丙烯颗粒，搅拌保温2h，至SBS与聚丙烯颗粒完全融入沥青体系，加入计量好的硫化剂，搅拌保温0.5h，加入废胶粉，搅拌保温1h。降温至165℃，加入超细硅微粉与硅烷偶联剂，搅拌保温1h，即得改性沥青。随后对胎基进行侵渍、复合成型及卷曲等工序即可。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112677585A (zh) * 2020-12-26 2021-04-20 安徽酉阳防水科技有限公司 一种超耐候耐盐碱防水卷材
CN113265151A (zh) * 2021-05-17 2021-08-17 四川统揽建设集团有限公司 一种沥青改性剂及其制得的改性沥青

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112677585A (zh) * 2020-12-26 2021-04-20 安徽酉阳防水科技有限公司 一种超耐候耐盐碱防水卷材
CN112677585B (zh) * 2020-12-26 2023-07-18 安徽酉阳防水科技有限公司 一种超耐候耐盐碱防水卷材
CN113265151A (zh) * 2021-05-17 2021-08-17 四川统揽建设集团有限公司 一种沥青改性剂及其制得的改性沥青

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