CN106366968A - 一种防腐胶带及其制备方法 - Google Patents

一种防腐胶带及其制备方法 Download PDF

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CN106366968A
CN106366968A CN201610776184.XA CN201610776184A CN106366968A CN 106366968 A CN106366968 A CN 106366968A CN 201610776184 A CN201610776184 A CN 201610776184A CN 106366968 A CN106366968 A CN 106366968A
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adhesive tape
resin
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曹务全
张深瑞
姚相华
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JINING XUNDA PIPE COATING MATERIALS Co Ltd
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Abstract

本发明涉及一种防腐胶带，由基材和胶粘层组成，所述基材为PET与铝箔的复合，厚度为50‑75μm，铝箔涂胶；所述胶粘层的材料配方按重量份数计为：丁基橡胶20‑30份，聚丙烯酸树脂15‑30份，增粘树脂15‑35份，戊二醛3‑5份，顺丁烯二酸二仲辛酯磺酸钠2‑5份，羟基纤维素1‑5份，硼纤维2份，木质素1份，石棉粉1‑2份，山豆根2‑8份，N’N‑二辛基对苯二胺2份，十二烷基苯磺酸钠2‑5份，脂肪族聚异氰酸酯1‑2份，填料6‑10份，涂胶厚度20‑50μm。本发明也涉及该胶带的制备方法。制备的胶带密闭性优越、防腐效果好，胶带对材料附着力极佳，胶带表面无气泡，不起泡，无拉丝现象。

Description

一种防腐胶带及其制备方法
技术领域
本发明属于防腐技术领域，涉及一种复合冷缠防腐胶带及制备方法。
背景技术
近年来，管道的腐蚀现象越来越严重，严重影响设备的使用。传统方法主要是采用沥青基胶黏剂作为处理钢质管道的粘结剂，但是随着时间的流逝，沥青胶黏剂的粘结强度逐渐降低，防腐层易被破坏，已经有多处正在运行的管线处于急需修补的状态。现有的防腐方式由于施工时需要明火烘烤而不适应于已运行石油管线的修复。因此采用性能优越、使用方便的胶粘剂已成为有效解决上述问题的方案之一。现有的管道防腐胶带由于材质配置不尽合理，普遍存在着防腐不彻底、且耐久性差等技术缺陷，因此亟待改进。
发明内容
为解决上述问题，本发明提供一种防腐胶带，制备的防腐胶带密闭性优越、防腐效果好，胶带对材料的附着力极佳，胶带表面无气泡，且不起泡，无拉丝现象。
本发明同时提供该防腐胶带的制备方法。
本发明通过以下技术方案实现的：
一种防腐胶带，由基材和胶粘层组成，所述基材为PET与铝箔的复合，厚度为50-75μm，铝箔涂胶；所述胶粘层的材料配方按重量份数计为： 丁基橡胶20-30份，聚丙烯酸树脂15-30份，增粘树脂15-35份，戊二醛3-5份，顺丁烯二酸二仲辛酯磺酸钠2-5份，羟基纤维素1-5份，硼纤维2份，木质素1份，石棉粉1-2份，山豆根2-8份， N’N-二辛基对苯二胺2份，十二烷基苯磺酸钠2-5份，脂肪族聚异氰酸酯1-2份，填料6-10份，涂胶厚度20-50μm。
优选地，增粘树脂为萜烯树脂、松香树脂与磷酸酯树脂按照1:1-3:2-4的质量比混合而成。
优选地，所述填料为：纳米氧化锌、氧化锑与纳米二氧化钛按照1：2：1-2质量比组成。
优选地，纳米氧化锌与纳米二氧化钛的粒度均为20-50nm。
优选地，所述胶粘层的配方按重量份数计为：丁基橡胶25份，聚丙烯酸树脂20份，增粘树脂25份，戊二醛3份，顺丁烯二酸二仲辛酯磺酸钠2份，羟基纤维素3份，硼纤维2份，木质素1份，石棉粉2份，山豆根4份， N’N-二辛基对苯二胺2份，十二烷基苯磺酸钠3份，脂肪族聚异氰酸酯2份，填料6份。
上述所述的金属防腐胶带的制备方法，包括以下步骤：
（1）将丁基橡胶、聚丙烯酸树脂、戊二醛、顺丁烯二酸二仲辛酯磺酸钠、十二烷基苯磺酸钠与填料按重量比称量后依次加入后，混合，加热到50-60℃，加入羟基纤维素、硼纤维、木质素、石棉粉与山豆根搅拌均匀，再加入增粘树脂、N’N-二辛基对苯二胺与脂肪族聚异氰酸酯混合均匀；
（2）涂布，涂胶厚度为20-50μm，烘烤条件为：100-120℃，3-5min；
（3）烘烤完成后，收卷，分切，放入室温下熟化1-3天即可。
优选地，步骤（1）中所述的搅拌的速率为100-200r/min，搅拌时间为20-40min。
优选地，步骤（2）所述的涂胶厚度为30μm，烘烤条件为：110℃，5min。
本发明的有益成果是：
本发明提供一种防腐胶带及其制备方法，该防腐胶带通过加入N’N-二辛基对苯二胺及脂肪族聚异氰酸酯与磷酸酯树脂，增强了基体与胶带之间的粘结力，另外加入其它有机溶剂与填料，填充了缝隙，使胶带对被保护层管道的附着力极佳。通过性能测试可知，本发明的防腐胶带的抗阴极剥离性能有较大提高，保证了其在正常使用温度下具有良好的粘结性能，而且保持其力学方面的性能。
具体实施方式
为了更好地理解本发明的实质，下面通过具体实施例对本发明的技术方案进行进一步的阐述。
实施例1
（1）将丁基橡胶25份、聚丙烯酸树脂20份、戊二醛3份、顺丁烯二酸二仲辛酯磺酸钠2份、十二烷基苯磺酸钠3份与填料6份按重量比称量后依次加入后，混合，加热到55℃，加入羟基纤维素3份、硼纤维2份、木质素1份、石棉粉2份与山豆根4份搅拌均匀，搅拌的速率为200r/min，搅拌时间为30min，再加入增粘树脂25份、N’N-二辛基对苯二胺2份与脂肪族聚异氰酸酯2份混合均匀。其中增粘树脂为萜烯树脂、松香树脂与磷酸酯树脂按照1:1:3质量比混合而成，填料为纳米氧化锌、氧化锑与纳米二氧化钛按照1：2：1质量比组成，纳米氧化锌与纳米二氧化钛的粒度均为30nm。
（2）涂布，基材为PET与铝箔热压复合而成，厚度为50μm，铝箔面为涂胶层，涂胶厚度为35μm，烘烤条件为：110℃，5min。
（3）烘烤完成后，打卷，分切后放入室温下熟化2天即可。
实施例2
（1）将丁基橡胶20份、聚丙烯酸树脂15份、戊二醛4份、顺丁烯二酸二仲辛酯磺酸钠3份、十二烷基苯磺酸钠2份与填料8份按重量比称量后依次加入后，混合，加热到50℃，加入羟基纤维素1份、硼纤维2份、木质素1份、石棉粉1份与山豆根2份搅拌均匀，搅拌的速率为100r/min，搅拌时间为40min，再加入增粘树脂15份、N’N-二辛基对苯二胺2份与脂肪族聚异氰酸酯1份混合均匀。其中增粘树脂为萜烯树脂、松香树脂与磷酸酯树脂按照1：1：2质量比混合而成，填料为纳米氧化锌、氧化锑与纳米二氧化钛按照1：2：2质量比组成，纳米氧化锌与纳米二氧化钛的粒度均为50nm。
（2）涂布，基材为PET与铝箔热压复合而成，厚度为75μm，铝箔面为涂胶层，涂胶厚度为50μm，烘烤条件为：120℃，5min。
（3）烘烤完成后，打卷，分切后放入室温下熟化3天即可。
实施例3
（1）将丁基橡胶30份、聚丙烯酸树脂30份、戊二醛5份、顺丁烯二酸二仲辛酯磺酸钠5份、十二烷基苯磺酸钠5份与填料10份按重量比称量后依次加入后，混合，加热到60℃，加入羟基纤维素5份、硼纤维2份、木质素1份、石棉粉2份与山豆根8份搅拌均匀，搅拌的速率为100r/min，搅拌时间为40min，再加入增粘树脂30份、N’N-二辛基对苯二胺2份与脂肪族聚异氰酸酯2份混合均匀。其中增粘树脂为萜烯树脂、松香树脂与磷酸酯树脂按照1:3:2质量比混合而成，填料为纳米氧化锌、氧化锑与纳米二氧化钛按照1：2：1质量比组成，纳米氧化锌与纳米二氧化钛的粒度均为20nm。
（2）涂布，基材为PET与铝箔热压复合而成，厚度为50μm，铝箔面为涂胶层，涂胶厚度为20μm，烘烤条件为：120℃，3min。
（3）烘烤完成后，打卷，分切后放入室温下熟化1天即可。
性能测试
对实施例1-3和市售的同类的防腐胶带做性能测试，如基材的拉伸强度、基材的断裂伸长率、对底漆管道的剥离强度、耐热老化性能、吸水率等性能，并且检测与底漆配合缠绕之后的外观，实施例1-3中产品缠绕之后无起泡、不起鼓、外面平整。
表1性能测试表：
检测项目 检测标准 实施例1 实施例2 实施例3 对比例
拉伸强度MPa GB/T1040 64.8 64.4 64.3 64.2
断裂伸长率% GB/T1040 9.2 9.5 9.0 9.4
剥离强度 N/cm GB/T2792 38 42 31 29
耐热老化保持率 % GB/T7141 92 90 94 75
吸水率% -- 0.04 0.03 0.05 0.4
实施例1-3中的防腐胶带基材的拉伸强度64MPa，断裂伸长率在9%，本发明的防腐胶带能够很好的满足防腐施工的缠绕要求，使防腐效果更好。
本发明的防腐胶带常温剥离强度可达42N/cm，大于标准 30N/cm，在常温下，本发明的防腐胶带对底漆钢的剥离强度较大，说明该防腐胶带的粘结性能优越；吸水率最低仅为0.03%，低于标准 0.2%，吸水率越低说明该材料的防水效果越好，缠绕在管道上能够防止水雾渗透，其防腐效果较好；并且通过耐热老化测试后其耐热老化保持率都在90%以上，说明材料的耐热老化性能较好。

Claims (8)

1.一种防腐胶带，其特征在于，由基材和胶粘层组成，所述基材为PET与铝箔的复合，厚度为50-75μm，铝箔涂胶；所述胶粘层的材料配方按重量份数计为： 丁基橡胶20-30份，聚丙烯酸树脂15-30份，增粘树脂15-35份，戊二醛3-5份，顺丁烯二酸二仲辛酯磺酸钠2-5份，羟基纤维素1-5份，硼纤维2份，木质素1份，石棉粉1-2份，山豆根2-8份， N’N-二辛基对苯二胺2份，十二烷基苯磺酸钠2-5份，脂肪族聚异氰酸酯1-2份，填料6-10份，涂胶厚度20-50μm。
2.根据权利要求1所述的金属防腐胶带，其特征在于，增粘树脂为萜烯树脂、松香树脂与磷酸酯树脂按照1:1-3:2-4的质量比混合而成。
3.根据权利要求1所述的金属防腐胶带，其特征在于，所述填料为：纳米氧化锌、氧化锑与纳米二氧化钛按照1：2：1-2质量比组成。
4.根据权利要求2所述的金属防腐胶带，其特征在于，纳米氧化锌与纳米二氧化钛的粒度均为20-50nm。
5.根据权利要求1-4之一所述的金属防腐胶带，其特征在于，所述胶粘层的配方按重量份数计为：丁基橡胶25份，聚丙烯酸树脂20份，增粘树脂25份，戊二醛3份，顺丁烯二酸二仲辛酯磺酸钠2份，羟基纤维素3份，硼纤维2份，木质素1份，石棉粉2份，山豆根4份， N’N-二辛基对苯二胺2份，十二烷基苯磺酸钠3份，脂肪族聚异氰酸酯2份，填料6份。
6.权利要求1-4之一所述的金属防腐胶带的制备方法，其特征在于，包括以下步骤：
（1）将丁基橡胶、聚丙烯酸树脂、戊二醛、顺丁烯二酸二仲辛酯磺酸钠、十二烷基苯磺酸钠与填料按重量比称量后依次加入后，混合，加热到50-60℃，加入羟基纤维素、硼纤维、木质素、石棉粉与山豆根搅拌均匀，再加入增粘树脂、N’N-二辛基对苯二胺与脂肪族聚异氰酸酯混合均匀；
（2）涂布，涂胶厚度为20-50μm，烘烤条件为：100-120℃，3-5min；
（3）烘烤完成后，收卷，分切，放入室温下熟化1-3天即可。
7.根据权利要求6所述的制备方法，其特征在于，步骤（1）中所述的搅拌的速率为100-200r/min，搅拌时间为20-40min。
8.根据权利要求6所述的制备方法，其特征在于，步骤（2）所述的涂胶厚度为30μm，烘烤条件为：110℃，5min。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109355032A (zh) * 2018-11-26 2019-02-19 常州市白鹭电器有限公司 Pet胶带胶水
CN109628010A (zh) * 2018-12-25 2019-04-16 宁波六麦新材料科技有限公司 一种无纺布基胶粘带及其制备方法
CN115074044A (zh) * 2022-07-05 2022-09-20 海南大学 可快速替换的海洋平台用光固化防腐胶带及其制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109355032A (zh) * 2018-11-26 2019-02-19 常州市白鹭电器有限公司 Pet胶带胶水
CN109628010A (zh) * 2018-12-25 2019-04-16 宁波六麦新材料科技有限公司 一种无纺布基胶粘带及其制备方法
CN115074044A (zh) * 2022-07-05 2022-09-20 海南大学 可快速替换的海洋平台用光固化防腐胶带及其制备方法
CN115074044B (zh) * 2022-07-05 2023-03-21 海南大学 可快速替换的海洋平台用光固化防腐胶带及其制备方法

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