CN111923531A - 一种硫化交联沥青防水卷材 - Google Patents

一种硫化交联沥青防水卷材 Download PDF

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CN111923531A
CN111923531A CN201910400743.0A CN201910400743A CN111923531A CN 111923531 A CN111923531 A CN 111923531A CN 201910400743 A CN201910400743 A CN 201910400743A CN 111923531 A CN111923531 A CN 111923531A
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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

本发明涉及一种硫化交联沥青防水卷材，所述硫化交联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，改性剂9份，硫化剂0.5～3份，废胶粉10份，滑石粉92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。在生产过程中加入硫化剂使沥青与沥青、沥青与改性剂之间发生交联反应，形成三维交联网状结构，可以有效提高沥青防水卷材的机械强度及耐高温性能。本发明提供了一种改善SBS防水卷材耐高温性能的新思路，所采用的生产工艺简单，能耗较低，可有效降低生产成本。

Description

一种硫化交联沥青防水卷材
技术领域
本发明属于防水材料技术领域，具体涉及一种硫化改性沥青防水卷材及其制备方法。
背景技术
沥青类防水卷材一般应用于建筑防水领域，主要用于建筑墙体、屋面、以及隧道、公路、垃圾填埋场等处。当前，SBS(苯乙烯一丁二烯一苯乙烯)改性沥青防水卷材是新型防水材料的主流产品，是我国首推优选的防水材料，是生产量最大、使用量最多、占主导地位的防水材料。SBS改性沥青防水卷材一般以聚酯纤维为胎基，以SBS改性石油沥青胶料作为胎基的侵渍覆盖层，以PE膜为侵渍覆盖层的隔离层，改性沥青防水卷材经选材、烘干、配料、共熔、侵渍、复合成型，切割及卷曲等工序加工制作而成，具有较好的耐候性，抗拉性，耐磨性及耐穿刺能力。
但就目前的SBS改性沥青防水卷材来说，SBS与沥青之间只是物理混合，并没有发生化学反应，需要大量SBS或其他聚合物对沥青进行增强，该方法反应时间较长，而且将聚合物熔融需要较高的温度，生产成本较高。
发明内容
本发明的目的在于提供一种硫化交联沥青防水卷材及其制备方法，该卷材生产工艺简单，而且卷材具有耐高温性能，适合高温地域使用。
为实现上述目的，本发明采用如下技术方案：
一种硫化交联沥青防水卷材，所述防水卷材按重量份数由以下原料组成：
Figure BSA0000183122310000011
优选地，所述石油沥青为70号沥青。
优选地，所述改性剂为SBS，牌号为4402、4452、1301-3、1301、4303中的一种。
优选地，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膜(镀铝膜)、彩砂、页岩片、细砂中的一种。
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，熔融后升温至190℃，加入改性剂SBS，搅拌保温2h，至SBS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，加入滑石粉，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、本发明采用硫化剂使沥青与沥青、沥青与改性剂之间进行交联，可以有效提高卷材的机械强度和耐高温性能。
2、本发明提供了一种改善SBS防水卷材耐高温性能的新思路，所采用生产工艺简单，能耗较低，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
一种硫化交联沥青防水卷材配方为：石油沥青100份，环烷油24份，改性剂9份，硫化剂BIPB0.7份，废胶粉10份，滑石粉92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，搅拌保温2h，至SBS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，加入滑石粉，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
一种硫化交联沥青防水卷材配方为：石油沥青100份，环烷油24份，改性剂9份，硫化剂BIPB0.9份，废胶粉10份，滑石粉92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，搅拌保温2h，至SBS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，加入滑石粉，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
一种硫化交联沥青防水卷材配方为：石油沥青100份，环烷油24份，改性剂9份，硫化剂双二五2份，废胶粉10份，滑石粉92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，搅拌保温2h，至SBS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，加入滑石粉，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
一种硫化交联沥青防水卷材配方为：石油沥青100份，环烷油24份，改性剂9份，硫化剂双二五3份，废胶粉10份，滑石粉92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，搅拌保温2h，至SBS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，加入滑石粉，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为原始配方与硫化沥青防水卷材性能测试结果
项目 测试方法 原始配方 实施例1 实施例2 实施例3 实施例4
针入度(25℃/0.1mm) GB/T 18242-2008 61.8 53 49.8 49.8 53.1
软化点(℃) GB/T 18242-2008 104 114 112 111 115
延度(mm) GB/T 18242-2008 375 325 257 167 135

Claims (6)

1.一种硫化交联沥青防水卷材，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 1
。
2.根据权利要求1所述硫化交联沥青防水卷材，其特征在于，所述石油沥青为70号沥青，其针入度为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所述硫化交联沥青防水卷材，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所述硫化交联沥青防水卷材，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所述硫化交联沥青防水卷材，其特征在于，所述隔离层为：PE膜(镀铝膜)、彩砂、页岩片、细砂中的一种。
6.根据权利要求1～5中任一权利要求所述的硫化交联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，搅拌保温2h，至SBS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，加入滑石粉，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。
CN201910400743.0A 2019-05-13 2019-05-13 一种硫化交联沥青防水卷材 Pending CN111923531A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112549729A (zh) * 2020-12-02 2021-03-26 潍坊市金岭防水材料有限公司 一种立体彩砂防水卷材及其制备方法
CN113604064A (zh) * 2021-08-25 2021-11-05 深圳市卓宝科技股份有限公司 一种改善无胎类防水卷材撕膜性能的稳定剂应用
CN115648757A (zh) * 2022-12-05 2023-01-31 宏源防水科技集团有限公司 一种反应型改性沥青有胎防水卷材的制备工艺

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112549729A (zh) * 2020-12-02 2021-03-26 潍坊市金岭防水材料有限公司 一种立体彩砂防水卷材及其制备方法
CN113604064A (zh) * 2021-08-25 2021-11-05 深圳市卓宝科技股份有限公司 一种改善无胎类防水卷材撕膜性能的稳定剂应用
CN113604064B (zh) * 2021-08-25 2023-08-15 苏州卓宝科技有限公司 一种改善无胎类防水卷材撕膜性能的稳定剂应用
CN115648757A (zh) * 2022-12-05 2023-01-31 宏源防水科技集团有限公司 一种反应型改性沥青有胎防水卷材的制备工艺
CN115648757B (zh) * 2022-12-05 2024-05-07 宏源防水科技集团有限公司 一种反应型改性沥青有胎防水卷材的制备工艺

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