CN107163824B - 一种用于管道双组份抗渗环保材料及其制备方法 - Google Patents
一种用于管道双组份抗渗环保材料及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种用于管道的双组份抗渗环保材料由A、B组份按照重量比1:1‑3混合而成,其中A组分由如下物质组成:甲苯二异氰酸酯7‑10份,二苯基甲烷二异氰酸酯10‑15份,聚醚多元醇‑1 35‑50份,聚醚多元醇‑2 10‑15份,环氧树脂0‑20份,环保稀释剂1‑10份;B组分由如下物质组成:胺类交联扩链剂4‑5份,聚醚多元醇‑3 20‑45份,聚醚多元醇‑4 5‑10份,增塑剂10‑15份,滑石粉40‑55份,氧化锌1‑10份,绢云母粉1‑10份,沉淀硫酸钡10‑20份,有机膨润土1‑4份,颜填料1‑4份,活性纳米填料10‑20份,增强剂5‑10份,稀释剂10‑20份,催化剂1‑2份,助剂0.1‑1份。本发明材料集环保、耐磨、抗渗、高延伸率于一体,并引入纳米技术进一步提高了材料的应用性能,专门应用于管道,不仅环保,而且使用寿命长。
Description
技术领域
本发明属于管道抗渗材料技术领域,特别涉及一种用于管道的双组份抗渗环保材料及其制备方法。
背景技术
钢管腐蚀问题普遍存在于国民经济和国防建设的各个部门,既给国民经济带来了巨大的损失.也给生产和生活造成极大的困难。钢管在自然条件下 (大气,天然水体、土壤)或人为条件(酸、碱、盐及其它介质)下,每时每刻都在发生腐蚀.一种自发进行的无谓的消耗。其根本原因钢质管道是因为处于热力学不稳定状态,在上述条件下它们就要恢复原来的相对稳定的状态.生成铁氧化物碳酸盐等.或转变为可溶性离子。这一过程就是金属的腐蚀过程。根据统计,我国钢铁年产量1.6亿吨.每年因腐蚀而损耗6千多万吨.差不多等于上海宝钢钢铁总厂的年产量。腐蚀不仅是钢铁资源的浪费,还会因腐蚀使管道、设备使用寿命缩短更换新管道设备的造价费用远远超过金属材料本身的价格,生产成本因此而增大,降低了经济效益腐蚀造成的直接和间接经济损失是巨大的。腐蚀产物形成垢层,影响传热和介质流速传热效率降低,能耗由此大大增加,我国每年因腐蚀造成的经济损失高达 2800亿元,比每年风灾,水灾、地震火灾等自然灾害的总和还要多。
腐蚀造成各种事故和重大灾害。由于钢质管道、设备的腐蚀,引起生产企业停工停产产品质量下降。影响生活供、供气、供采暖蒸汽或热水,给人民生活带来很多困难。埋地输油气、水等管道、管网的泄漏,企业炼油,化工、化纤、化肥、制药等管道、设备的跑、冒、滴漏.除损失大量有用的物质外又造成严重的环境污染,甚至引起火灾、爆炸、塌毁等灾难性事故。鉴于金属腐蚀的普遍存在.为了防止或减缓金属腐蚀的发生.各种金属防腐技术和工艺应运而生。金属防腐新工艺、新材料、新设备的推广应用.延长管道设备使用寿命,节省资金、保证安全生产。我国石油、化工、公共事业等行业.管道因腐蚀穿孔达2万次/年.其主要发生在钢管的接口处和管道自身的磕碰伤。
目前,正是我国全面开展大规模、高标准的地下新旧管网改造和建造的高峰期,解决现有管道易腐蚀、易渗漏的问题是我国地下管道建设需要解决的这个要问题之一。
发明内容
本发明目的是克服背景技术不足,针对目前市政管道渗漏问题专门研制的一种管道抗渗材料。该材料集环保、耐磨、抗渗、高延伸率于一体,并引入纳米技术进一步提高了材料的应用性能,本发明提供的技术方案为:
一种用于管道的双组份抗渗环保材料,由A、B组份按照重量比1:1-3 混合而成,其中A组分由如下重量份数物质组成:
B组分由如下重量份数物质组成:
所述活性纳米填料是将钙基纳米级粉末混入含有偶联剂的酯类或酮类溶剂中充分混合均匀,后经干燥设备脱出溶剂,备用。
进一步,聚醚多元醇-1是官能度2,分子量1000-6000的一类聚醚多元醇;聚醚多元醇-2是官能度2-3,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-3是官能度2,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-4是官能度2,分子量1000-6000的一类聚醚多元醇。
进一步,所述环氧树脂环氧值为0.38-0.54,如E-44、E-51或E-20的一种或多种。
进一步,所述环保稀释剂是沸点在180-250℃的环保溶剂,可以使用乙二醇甲醚、DMF和200#溶剂油的一种或多种混合。
进一步,所述增塑剂是邻苯类低粘度增塑剂或石蜡类的一种或多种。邻苯类如DOP、DBP;石蜡类如氯化石蜡52。
进一步,所述稀释剂是酯类稀释剂,如乙酸乙酯、甲酸乙酯和乙酸丁酯中的一种或几种的混合。
进一步,所述催化剂是有机铋。
进一步,所述助剂由消泡剂、附着力促进剂和润湿分散剂按照重量比4:3:3 组成,所述消泡剂为BYK-065、BYK-066N和BYK-088的一种或几种混合;附着力促进剂为日本HF公司的HF-1和/或路博润2063;润湿分散剂为 BYK-378和/或BYK-163。
本发明还公开了所述双组份抗渗防腐材料的制备方法,包括如下步骤:
(1)A组份制备:
(a)按配方比例先将配方内所有的聚醚多元醇在-0.08MPa,真空下120℃真空脱水2-3h。
(b)聚醚多元醇脱水后温度降至50±5℃时,加入甲苯二异氰酸酯,反应 20min后将温度升至80±5℃反应3.5h;
(c)将环氧树脂按配方量加入其中,80±5℃,反应0.5h;
(d)加入配方量的二苯基甲烷二异氰酸酯,混合搅拌0.5h;
(e)加入配方量的环保稀释剂混合搅拌0.5h;
(f)取样分析A组份的NCO含量达到理论值后,脱气,降温分装密封保存,物料为浅黄色至无色透明粘稠状液体;
(2)B组份制备:
(a)将配方量的胺类交联扩链剂、聚醚多元醇-4混合后加热至110-120℃溶至透明;
(b)依次加入聚醚多元醇-3、增塑剂、催化剂,混合均匀,搅拌10-20min;
(c)按配方量依次投入滑石粉、氧化锌、绢云母粉、沉淀硫酸钡、有机陶土、颜填料;
(d)投入活性纳米填料、增强剂混合均匀后高速分散30-60min,转速 800-1200r/min;
(e)将(d)分散好的原料经砂磨机砂磨,使细度≤80μm;
(f)将(e)砂磨好的原料泵入反应釜内-0.08MPa,100±5℃真空脱气、脱水 60min;
(g)降温至50±5℃时,加入稀释剂、助剂混合均匀,出料密封,物料为各色粘稠状液体;
(3)将A组份和B组份按比例混合。
本发明的优点是:本发明材料集环保、耐磨、抗渗、高延伸率于一体,并引入纳米技术进一步提高了材料的应用性能,专门应用于管道,不仅环保,而且使用寿命长。
具体实施方式
实施例1
一种用于管道的双组份抗渗环保材料,由A、B组份按照重量比1:1 混合而成,其中A组分由如下重量份数物质组成:
B组分由如下重量份数物质组成:
所述活性纳米填料是将纳米碳酸钙粉末混入含有偶联剂的酯类或酮类溶剂中充分混合均匀,后经干燥设备脱出溶剂,备用。
所述聚醚多元醇-1是官能度2,分子量1000-6000的一类聚醚多元醇;聚醚多元醇-2是官能度2-3,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-3是官能度2,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-4是官能度2,分子量1000-6000的一类聚醚多元醇。
所述环氧树脂环氧值为E-44。
所述环保稀释剂是乙二醇甲醚。
稀释剂是乙酸乙酯和乙酸丁酯中的混合。
所述增塑剂是DOP。
所述催化剂是有机铋。
所述助剂由消泡剂、附着力促进剂和润湿分散剂按照重量比4:3:3组成,所述消泡剂为BYK-065、BYK-066N和BYK-088的混合;附着力促进剂为日本HF公司的HF-1和路博润2063;润湿分散剂为BYK-378。
实施例2
一种用于管道的双组份抗渗环保材料,由A、B组份按照重量比1:2混合而成,其中A组分由如下重量份数物质组成:
B组分由如下重量份数物质组成:
所述活性纳米填料是将纳米碳酸钙粉末混入含有偶联剂的酯类或酮类溶剂中充分混合均匀,后经干燥设备脱出溶剂,备用。
所述聚醚多元醇-1是官能度2,分子量1000-6000的一类聚醚多元醇;聚醚多元醇-2是官能度2-3,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-3是官能度2,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-4是官能度2,分子量1000-6000的一类聚醚多元醇。
进一步,所述环氧树脂为E-51和E-20的混合。
所述环保稀释剂是乙二醇甲醚、DMF和200#溶剂油的混合
稀释剂是甲酸乙酯和乙酸丁酯中的混合。
进一步,所述增塑剂是DBP和氯化石蜡52的混合。
进一步,所述催化剂是有机铋。
进一步,所述助剂由消泡剂、附着力促进剂和润湿分散剂按照重量比4:3:3 组成,所述消泡剂为BYK-066N;附着力促进剂为日本HF公司的HF-1;润湿分散剂为BYK-378和BYK-163。
实施例3
一种用于管道的双组份抗渗环保材料,由A、B组份按照重量比1:3 混合而成,其中A组分由如下重量份数物质组成:
B组分由如下重量份数物质组成:
所述活性纳米填料是将纳米碳酸钙粉末混入含有偶联剂的酯类或酮类溶剂中充分混合均匀,后经干燥设备脱出溶剂,备用。
所述聚醚多元醇-1是官能度2,分子量1000-6000的一类聚醚多元醇;聚醚多元醇-2是官能度2-3,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-3是官能度2,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-4是官能度2,分子量1000-6000的一类聚醚多元醇。
所述环氧树脂是E-20。
所述环保稀释剂是DMF。
所述稀释剂是乙酸丁酯。
所述增塑剂是氯化石蜡52。
所述稀释剂是DMF。
所述催化剂是有机铋。
所述助剂由消泡剂、附着力促进剂和润湿分散剂按照重量比4:3:3组成,所述消泡剂为BYK-065和BYK-088的混合;附着力促进剂为路博润2063;润湿分散剂为BYK-163。
实施例4
制备实施例1-3的所述双组份抗渗防腐材料,包括如下步骤:
(1)A组份制备:
(a)按配方比例先将配方内所有的聚醚多元醇在-0.08MPa,真空下120℃真空脱水2-3h。
(b)聚醚多元醇脱水后温度降至50±5℃时,加入甲苯二异氰酸酯,反应 20min后将温度升至80±5℃反应3.5h;
(c)将环氧树脂按配方量加入其中,80±5℃,反应0.5h;
(d)加入配方量的二苯基甲烷二异氰酸酯,混合搅拌0.5h;
(e)加入配方量的环保稀释剂混合搅拌0.5h;
(f)取样分析A组份的NCO含量达到理论值后,脱气,降温分装密封保存,物料为浅黄色至无色透明粘稠状液体;
(2)B组份制备:
(a)将配方量的胺类交联扩链剂、聚醚多元醇-4混合后加热至110-120℃溶至透明;
(b)依次加入聚醚多元醇-3、增塑剂、催化剂,混合均匀,搅拌10-20min;
(c)按配方量依次投入滑石粉、氧化锌、绢云母粉、沉淀硫酸钡、有机陶土、颜填料;
(d)投入活性纳米填料、增强剂混合均匀后高速分散30-60min,转速 800-1200r/min;
(e)将(d)分散好的原料经砂磨机砂磨,使细度≤80μm;
(f)将(e)砂磨好的原料泵入反应釜内-0.08MPa,100±5℃真空脱气、脱水 60min;
(g)降温至50±5℃时,加入稀释剂、助剂混合均匀,出料密封,物料为各色粘稠状液体;
(3)将A组份和B组份按比例混合。
实施例5
实施例1-3按照实施例4制备的产品的性能检测
以上所述仅为本发明的较佳实施例,不能被认为用于限定本发明,凡在本发明的精神和原则内所作的任何修改、等同替换和改进等,均应包含在本发明的专利涵盖范围之内。
Claims (9)
1.一种用于管道的双组份抗渗环保材料,其特征在于,由A、B组份按照重量比1:1-3混合而成,其中A组分由如下重量份数物质组成:
B组分由如下重量份数物质组成:
所述活性纳米填料是将纳米碳酸钙粉末混入含有偶联剂的酯类或酮类溶剂中充分混合均匀,后经干燥设备脱出溶剂,备用;聚醚多元醇-1是官能度2,分子量1000-6000的一类聚醚多元醇;聚醚多元醇-2是官能度2-3,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-3是官能度2,分子量1000-3000的一类聚醚多元醇;聚醚多元醇-4是官能度2,分子量1000-6000的一类聚醚多元醇;所述助剂为消泡剂、附着力促进剂和润湿分散剂混合物。
2.根据权利要求1所述一种用于管道的双组份抗渗环保材料,其特征在于,所述环氧树脂环氧值为0.38-0.54。
3.根据权利要求1所述一种用于管道的双组份抗渗环保材料,其特征在于,所述环保稀释剂是沸点在180-250℃的环保溶剂,是乙二醇甲醚、DMF、200#溶剂油的一种或几种的混合。
4.根据权利要求1所述一种用于管道的双组份抗渗环保材料,其特征在于,所述增塑剂是邻苯类低粘度增塑剂或石蜡类的一种或多种。
5.根据权利要求1所述一种用于管道的双组份抗渗环保材料,其特征在于,所述稀释剂是酯类稀释剂,是乙酸乙酯、甲酸乙酯和乙酸丁酯中的一种或几种的混合。
6.根据权利要求1所述一种用于管道的双组份抗渗环保材料,其特征在于,所述催化剂是有机铋。
7.根据权利要求1所述一种用于管道的双组份抗渗环保材料,其特征在于,所述助剂由消泡剂、附着力促进剂和润湿分散剂按照重量比4:3:3组成。
8.根据权利要求7所述一种用于管道的双组份抗渗环保材料,其特征在于,所述消泡剂为BYK-065、BYK-066N和BYK-088的一种或几种混合;附着力促进剂为日本HF公司的HF-1和/或路博润2063;润湿分散剂为BYK-378和/或BYK-163。
9.权利要求1-8任一权利要求所述一种用于管道的双组份抗渗环保材料的制备方法,包括如下步骤:
(1)A组份制备:
(a)按配方比例先将配方内所有的聚醚多元醇在-0.08MPa,真空下120℃真空脱水2-3h;
(b)聚醚多元醇-1和聚醚多元醇-2混合脱水后温度降至50±5℃时,加入甲苯二异氰酸酯,反应20min后将温度升至80±5℃反应3.5h;
(c)将环氧树脂按配方量加入其中,80±5℃,反应0.5h;
(d)加入配方量的二苯基甲烷二异氰酸酯,混合搅拌0.5h;
(e)加入配方量的环保稀释剂混合搅拌0.5h;
(f)取样分析A组份的NCO含量达到理论值后,脱气,降温分装密封保存,物料为浅黄色至无色透明粘稠状液体;
(2)B组份制备:
(a)将配方量的胺类交联扩链剂、聚醚多元醇-4混合后加热至110-120℃溶至透明;
(b)依次加入聚醚多元醇-3、增塑剂、催化剂,混合均匀,搅拌10-20min;
(c)按配方量依次投入滑石粉、氧化锌、绢云母粉、沉淀硫酸钡、有机陶土、颜填料;
(d)投入活性纳米填料、增强剂混合均匀后高速分散30-60min,转速800-1200r/min;
(e)将(d)分散好的原料经砂磨机砂磨,使细度≤80μm;
(f)将(e)砂磨好的原料泵入反应釜内-0.08MPa,100±5℃真空脱气、脱水60min;
(g)降温至50±5℃时,加入稀释剂、助剂混合均匀,出料密封,物料为各色粘稠状液体;
(3)将A组份和B组份按比例混合。
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