CN110484146A - Pe复合改性沥青防水卷材及其制备方法 - Google Patents

Pe复合改性沥青防水卷材及其制备方法 Download PDF

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CN110484146A
CN110484146A CN201810820597.2A CN201810820597A CN110484146A CN 110484146 A CN110484146 A CN 110484146A CN 201810820597 A CN201810820597 A CN 201810820597A CN 110484146 A CN110484146 A CN 110484146A
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汪琦
郭元
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Wuhu Tang Hua Building Materials Technology Co Ltd
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Abstract

本发明涉及一种PE复合改性沥青防水卷材及其制备方法,从上到下依次为:上表面隔离层、上聚合物改性沥青层、胎基层、下聚合物改性沥青层和下表面隔离层;所述的上聚合物改性沥青层和下聚合物改性沥青层是由PE复合改性沥青制得,所述的PE复合改性沥青,按照重量份计,包括石油沥青70‑80份、聚乙烯20‑30份、SBS橡胶10‑15份、吠喃树脂10‑15份、季戊四醇硬脂酸酯3‑5份、石墨烯0.1‑0.3份、十二烷基苯磺酸钠1‑3份、油酸钠1‑3份、石蜡5‑8份、乙基苯基二硫代氨基甲酸锌1份、苯酐0.5份份、硫磺1份、石油磺酸盐0.6份、丁二酸酐1‑3份、甲基纤维素3‑5份、木醋液1‑3份。本发明制备的防水卷材具有良好高低温性能和储存稳定性,有效的提高了防水性和抗老化性,提高了使用寿命。

Description

PE复合改性沥青防水卷材及其制备方法
技术领域
本发明涉及一种PE复合改性沥青防水卷材及其制备方法,属于防水卷材领域。
背景技术
防水材料是保护建筑安全和使用寿命必不可少的材料,防水工程是建筑工程中重要的分项工程,应用于建筑地下、屋面、顶板、墙体厨房、卫生间以及地铁、铁路、水利及工业建筑。建筑防水是为了保证建筑物防水防尘、不渗漏和节能保温的重要技术措施,从而延长建筑物的使用寿命,同时对建筑安全、人身安全起重要作用,更关系到社会团结、稳定。高聚物改性沥青防水卷材是以聚酯胎体、玻纤胎体或两种胎体复合成胎基,浸涂改性石油沥青后,再覆上隔离材料或饰面材料,生产出的长条、片状、成卷的复合防水材料。高聚物改性沥青防水卷材是应用最广的新型建筑防水卷材。利用高聚物作为改性剂,石油沥青作为基质沥青,二者复合而成浸涂材料,增强基质沥青的感温性和耐高低温性能,同时憎水性、粘接性、韧性和耐久性也有所加强,拥有优异的防水效果。高聚物改性沥青防水卷材作为主导防水产品,已被广泛应用于建筑各领域,占有率达60%以上。SBS改性沥青防水卷材是指以聚酯毡或玻纤毡为胎基,以苯乙烯-丁二烯-苯乙烯(SBS)共聚热塑性弹性体改性沥青为涂盖料,两面覆以聚乙烯膜、细砂或矿物粒料而制成的改性沥青防水卷材。申请公布号CN104960267A,发明名称:一种改性沥青防水卷材,包括改性沥青、丙纶布、PE膜,所述改性沥青按重量份数计由沥青40-50份、高密度聚乙烯20-30份、SBS橡胶15-30份、稳定剂0.2-2份、抗氧剂0.5-1份、光稳定剂0.1-2份和填料10-20份合成,该专利通过加入高密度聚乙烯和SBS橡胶能显著提高防水卷材的高温性能和低温延展性,加入填料可有效弥补内里密度差,并且采用熔融共混更有利于改性剂在沥青中均匀分散,改善改性沥青体系的储存稳定性;该发明的防水卷材具有较高的扯断伸长率,同时具有良好稳定性、抗老化性、防水性、耐化学性、耐候性和较好的机械强度、较小的线膨胀系数等,使产品适用范围广。但是存在以下问题:改性沥青的改性不好,导致其整体性能不是很好,尤其是防水性和抗老化性。
发明内容
本发明提供了一种PE复合改性沥青防水卷材及其制备方法,解决了现有SBS改性沥青防水卷材的防水性和抗老化性不好的问题。
为解决上述技术问题,本发明采用的技术方案为:
一种PE复合改性沥青防水卷材,从上到下依次为:上表面隔离层、上聚合物改性沥青层、胎基层、下聚合物改性沥青层和下表面隔离层;所述的上聚合物改性沥青层和下聚合物改性沥青层是由PE复合改性沥青制得,所述的PE复合改性沥青,按照重量份计,包括石油沥青70-80份、聚乙烯20-30份、SBS橡胶10-15份、吠喃树脂10-15份、季戊四醇硬脂酸酯3-5份、石墨烯0.1-0.3份、十二烷基苯磺酸钠1-3份、油酸钠1-3份、石蜡5-8份、乙基苯基二硫代氨基甲酸锌1份、苯酐0.5份、硫磺1份、石油磺酸盐0.6份、丁二酸酐1-3份、甲基纤维素3-5份、木醋液1-3份。
进一步,本发明的一种优选方案为:所述的石油沥青为辽河90#沥青。
进一步,本发明的一种优选方案为:所述的上表面隔离层为矿物颗粒层。
进一步,本发明的一种优选方案为:所述的下表面隔离层为PE膜、PET膜或PVC膜中的一种。
进一步,本发明的一种优选方案为:所述的胎基层为玻纤毡或玻纤增强聚酯毡。
本发明的PE复合改性沥青防水卷材的制备方法,包括以下步骤:
(1)季戊四醇硬脂酸酯、石墨烯、十二烷基苯磺酸钠、油酸钠、石蜡份、乙基苯基二硫代氨基甲酸锌、苯酐、硫磺、石油磺酸盐、丁二酸酐、甲基纤维素和木醋液混合均匀,加热在100-120℃,高速剪切机搅拌1h,备用;
(2)把石油沥青添加到反应釜中,将反应温度加热到170-180℃后,加入聚乙烯、SBS橡胶、吠喃树脂和步骤(1)的产物,用高速剪切机搅拌1.5h,即得PE复合改性沥青;
(3)将制得的PE复合改性沥青泵入生产线前端浸槽,将胎基层在生产线上展开并导入浸槽,浸渍改性沥青,并用厚度控制辊进行厚度控制,分别在胎基层的上下表面形成上聚合物改性沥青层和下聚合物改性沥青层,在上聚合物改性沥青层和下聚合物改性沥青层面分别覆上上表面隔离层和下表面隔离层,经冷却设备冷却后、计长、切边、收卷、包装得到成品。
本发明的有益效果:
本发明通过将季戊四醇硬脂酸酯、石墨烯、十二烷基苯磺酸钠、油酸钠、石蜡份、乙基苯基二硫代氨基甲酸锌、苯酐、硫磺、石油磺酸盐、丁二酸酐、甲基纤维素和木醋液高温反应,融合,制备适合于石油沥青、聚乙烯、SBS橡胶和吠喃树脂相容改性的助剂,使得制备的防水卷材具有良好高低温性能和储存稳定性,有效的提高了防水性和抗老化性,有效的提高了使用寿命。
具体实施方式
下面将结合本发明实施例,对本发明的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种PE复合改性沥青防水卷材,从上到下依次为:上表面隔离层、上聚合物改性沥青层、胎基层、下聚合物改性沥青层和下表面隔离层;所述的上表面隔离层为矿物颗粒层,本实施例采用细砂;下表面隔离层为PE膜、PET膜或PVC膜中的一种。本实施例采用PE膜。胎基层为玻纤毡。
上聚合物改性沥青层和下聚合物改性沥青层是由PE复合改性沥青制得,所述的PE复合改性沥青,按照重量份计,包括石油沥青70份、聚乙烯25份、SBS橡胶15份、吠喃树脂13份、季戊四醇硬脂酸酯3份、石墨烯0.1份、十二烷基苯磺酸钠3份、油酸钠1份、石蜡5份、乙基苯基二硫代氨基甲酸锌1份、苯酐0.5份、硫磺1份、石油磺酸盐0.6份、丁二酸酐1份、甲基纤维素5份、木醋液2份。石油沥青为辽河90#沥青。
其制备方法,包括以下步骤:
(1)季戊四醇硬脂酸酯、石墨烯、十二烷基苯磺酸钠、油酸钠、石蜡份、乙基苯基二硫代氨基甲酸锌、苯酐、硫磺、石油磺酸盐、丁二酸酐、甲基纤维素和木醋液混合均匀,加热在100-120℃,高速剪切机搅拌1h,备用;
(2)把石油沥青添加到反应釜中,将反应温度加热到170-180℃后,加入聚乙烯、SBS橡胶、吠喃树脂和步骤(1)的产物,用高速剪切机搅拌1.5h,即得PE复合改性沥青;
(3)将制得的PE复合改性沥青泵入生产线前端浸槽,将胎基层在生产线上展开并导入浸槽,浸渍改性沥青,并用厚度控制辊进行厚度控制,分别在胎基层的上下表面形成上聚合物改性沥青层和下聚合物改性沥青层,在上聚合物改性沥青层和下聚合物改性沥青层面分别覆上上表面隔离层和下表面隔离层,经冷却设备冷却后、计长、切边、收卷、包装得到成品。
实施例2
一种PE复合改性沥青防水卷材,从上到下依次为:上表面隔离层、上聚合物改性沥青层、胎基层、下聚合物改性沥青层和下表面隔离层;所述的上表面隔离层为矿物颗粒层,本实施例采用细砂;下表面隔离层为PE膜、PET膜或PVC膜中的一种。本实施例采用PE膜。胎基层为玻纤毡。
上聚合物改性沥青层和下聚合物改性沥青层是由PE复合改性沥青制得,所述的PE复合改性沥青,按照重量份计,包括石油沥青75份、聚乙烯20份、SBS橡胶13份、吠喃树脂15份、季戊四醇硬脂酸酯4份、石墨烯0.2份、十二烷基苯磺酸钠2份、油酸钠2份、石蜡6份、乙基苯基二硫代氨基甲酸锌1份、苯酐0.5份份、硫磺1份、石油磺酸盐0.6份、丁二酸酐2份、甲基纤维素4份、木醋液1份。石油沥青为辽河90#沥青。
其制备方法,包括以下步骤:
(1)季戊四醇硬脂酸酯、石墨烯、十二烷基苯磺酸钠、油酸钠、石蜡份、乙基苯基二硫代氨基甲酸锌、苯酐、硫磺、石油磺酸盐、丁二酸酐、甲基纤维素和木醋液混合均匀,加热在100-120℃,高速剪切机搅拌1h,备用;
(2)把石油沥青添加到反应釜中,将反应温度加热到170-180℃后,加入聚乙烯、SBS橡胶、吠喃树脂和步骤(1)的产物,用高速剪切机搅拌1.5h,即得PE复合改性沥青;
(3)将制得的PE复合改性沥青泵入生产线前端浸槽,将胎基层在生产线上展开并导入浸槽,浸渍改性沥青,并用厚度控制辊进行厚度控制,分别在胎基层的上下表面形成上聚合物改性沥青层和下聚合物改性沥青层,在上聚合物改性沥青层和下聚合物改性沥青层面分别覆上上表面隔离层和下表面隔离层,经冷却设备冷却后、计长、切边、收卷、包装得到成品。
实施例3
一种PE复合改性沥青防水卷材,从上到下依次为:上表面隔离层、上聚合物改性沥青层、胎基层、下聚合物改性沥青层和下表面隔离层;所述的上表面隔离层为矿物颗粒层,本实施例采用细砂;下表面隔离层为PE膜、PET膜或PVC膜中的一种。本实施例采用PE膜。胎基层为玻纤毡。
上聚合物改性沥青层和下聚合物改性沥青层是由PE复合改性沥青制得,所述的PE复合改性沥青,按照重量份计,包括石油沥青80份、聚乙烯30份、SBS橡胶10份、吠喃树脂10份、季戊四醇硬脂酸酯5份、石墨烯0.3份、十二烷基苯磺酸钠1份、油酸钠3份、石蜡8份、乙基苯基二硫代氨基甲酸锌1份、苯酐0.5份份、硫磺1份、石油磺酸盐0.6份、丁二酸酐3份、甲基纤维素3份、木醋液3份。石油沥青为辽河90#沥青。
其制备方法,包括以下步骤:
(1)季戊四醇硬脂酸酯、石墨烯、十二烷基苯磺酸钠、油酸钠、石蜡份、乙基苯基二硫代氨基甲酸锌、苯酐、硫磺、石油磺酸盐、丁二酸酐、甲基纤维素和木醋液混合均匀,加热在100-120℃,高速剪切机搅拌1h,备用;
(2)把石油沥青添加到反应釜中,将反应温度加热到170-180℃后,加入聚乙烯、SBS橡胶、吠喃树脂和步骤(1)的产物,用高速剪切机搅拌1.5h,即得PE复合改性沥青;
(3)将制得的PE复合改性沥青泵入生产线前端浸槽,将胎基层在生产线上展开并导入浸槽,浸渍改性沥青,并用厚度控制辊进行厚度控制,分别在胎基层的上下表面形成上聚合物改性沥青层和下聚合物改性沥青层,在上聚合物改性沥青层和下聚合物改性沥青层面分别覆上上表面隔离层和下表面隔离层,经冷却设备冷却后、计长、切边、收卷、包装得到成品。
按照,《GB18242-2008弹性体改性沥青防水卷材》测定产品的性能,具体见下表。
由上表可知本发明的PE复合改性沥青防水卷材具有良好的防水性、耐低温性和抗老化性,可以用于房屋、路面等防水。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (6)

1.一种PE复合改性沥青防水卷材,从上到下依次为:上表面隔离层、上聚合物改性沥青层、胎基层、下聚合物改性沥青层和下表面隔离层;所述的上聚合物改性沥青层和下聚合物改性沥青层是由PE复合改性沥青制得,其特征在于:所述的PE复合改性沥青,按照重量份计,包括石油沥青70-80份、聚乙烯20-30份、SBS橡胶10-15份、吠喃树脂10-15份、季戊四醇硬脂酸酯3-5份、石墨烯0.1-0.3份、十二烷基苯磺酸钠1-3份、油酸钠1-3份、石蜡5-8份、乙基苯基二硫代氨基甲酸锌1份、苯酐0.5份、硫磺1份、石油磺酸盐0.6份、丁二酸酐1-3份、甲基纤维素3-5份、木醋液1-3份。
2.根据权利要求1所述的一种PE复合改性沥青防水卷材,其特征在于:所述的石油沥青为辽河90#沥青。
3.根据权利要求1所述的一种PE复合改性沥青防水卷材其特征在于:所述的上表面隔离层为矿物颗粒层。
4.根据权利要求1所述的一种PE复合改性沥青防水卷材,其特征在于:所述的下表面隔离层为PE膜、PET膜或PVC膜中的一种。
5.根据权利要求1所述的一种PE复合改性沥青防水卷材,其特征在于:所述的胎基层为玻纤毡或玻纤增强聚酯毡。
6.一种如权利要求1所述的PE复合改性沥青防水卷材的制备方法,其特征在于,包括以下步骤:
(1)季戊四醇硬脂酸酯、石墨烯、十二烷基苯磺酸钠、油酸钠、石蜡份、乙基苯基二硫代氨基甲酸锌、苯酐、硫磺、石油磺酸盐、丁二酸酐、甲基纤维素和木醋液混合均匀,加热在100-120℃,高速剪切机搅拌1h,备用;
(2)把石油沥青添加到反应釜中,将反应温度加热到170-180℃后,加入聚乙烯、SBS橡胶、吠喃树脂和步骤(1)的产物,用高速剪切机搅拌1.5h,即得PE复合改性沥青;
(3)将制得的PE复合改性沥青泵入生产线前端浸槽,将胎基层在生产线上展开并导入浸槽,浸渍改性沥青,并用厚度控制辊进行厚度控制,分别在胎基层的上下表面形成上聚合物改性沥青层和下聚合物改性沥青层,在上聚合物改性沥青层和下聚合物改性沥青层面分别覆上上表面隔离层和下表面隔离层,经冷却设备冷却后、计长、切边、收卷、包装得到成品。
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112095926A (zh) * 2020-08-27 2020-12-18 上海建材集团防水材料有限公司 玻纤胎沥青瓦及其制备方法
CN113215836A (zh) * 2021-04-16 2021-08-06 江苏欧西盾科技有限公司 一种耐高温沥青复合防水卷材及其制备方法
CN113914114A (zh) * 2021-10-12 2022-01-11 瑞斯(唐山)建材有限公司 一种改性沥青防水卷材及其制备方法
CN114634770A (zh) * 2022-04-15 2022-06-17 湖北九阳防水材料科技有限公司 一种高分子防水卷材的制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112095926A (zh) * 2020-08-27 2020-12-18 上海建材集团防水材料有限公司 玻纤胎沥青瓦及其制备方法
CN113215836A (zh) * 2021-04-16 2021-08-06 江苏欧西盾科技有限公司 一种耐高温沥青复合防水卷材及其制备方法
CN113914114A (zh) * 2021-10-12 2022-01-11 瑞斯(唐山)建材有限公司 一种改性沥青防水卷材及其制备方法
CN113914114B (zh) * 2021-10-12 2023-10-27 瑞斯(唐山)建材有限公司 一种改性沥青防水卷材及其制备方法
CN114634770A (zh) * 2022-04-15 2022-06-17 湖北九阳防水材料科技有限公司 一种高分子防水卷材的制备方法

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