CN109401471A - 钢结构用防火防腐涂料 - Google Patents
钢结构用防火防腐涂料 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 239000003973 paint Substances 0.000 title claims abstract description 22
- 239000013078 crystal Substances 0.000 claims abstract description 29
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims abstract description 29
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 12
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000004645 aluminates Chemical class 0.000 claims abstract description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004114 Ammonium polyphosphate Substances 0.000 claims abstract description 7
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 7
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 7
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims abstract description 7
- 229920001276 ammonium polyphosphate Polymers 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 239000002270 dispersing agent Substances 0.000 claims abstract description 5
- 238000009736 wetting Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 7
- QBLDFAIABQKINO-UHFFFAOYSA-N barium borate Chemical compound [Ba+2].[O-]B=O.[O-]B=O QBLDFAIABQKINO-UHFFFAOYSA-N 0.000 claims description 6
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 6
- 239000000080 wetting agent Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 4
- 239000011976 maleic acid Substances 0.000 claims description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 229920000570 polyether Polymers 0.000 claims 1
- 229920000137 polyphosphoric acid Polymers 0.000 claims 1
- -1 polysiloxane Polymers 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000001488 sodium phosphate Substances 0.000 claims 1
- 229910000162 sodium phosphate Inorganic materials 0.000 claims 1
- 150000003608 titanium Chemical class 0.000 claims 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 16
- 239000011248 coating agent Substances 0.000 abstract description 15
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 5
- 229940001007 aluminium phosphate Drugs 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 5
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- 239000006210 lotion Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000003260 anti-sepsis Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
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- 238000002156 mixing Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
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- 229920005989 resin Polymers 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
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- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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Abstract
本发明提出了一种钢结构用防火防腐涂料,按照重量份数,包括以下组分:丙烯酸乳液40~60份、邻苯二甲酸二丁酯10~30份、聚磷酸铵4~8份、山梨醇5~10份、氢氧化铝8~16份、润湿分散剂0.4~0.8份、流平剂0.3~0.6份、防腐填料5~10份及改性钛酸钾晶须20~30份;其中,所述改性钛酸钾晶须主要由钛酸钾晶须、纳米二氧化钛与铝酸酯偶联剂制备得到。该防火涂料具有涂层薄且隔热防火性能优异的特点。
Description
技术领域
本发明属于涂料技术领域,具体涉及一种钢结构用防火防腐涂料。
背景技术
随着经济和建筑业的发展,钢结构以其结构灵活、施工方便、强度高、美观性强等特点成为目前主要的建筑形式。但是其最大的缺陷是耐火性差,当钢表面温度达到600℃时,即将丧失作为承载材料的强度及刚度,极具有危害性,因此,必须对钢结构采取防火措施。
到目前为止,有关钢结构防火防腐蚀涂料的报道相对较少,如中国专利CN1183211C以高氯化聚乙烯和自行合成的有机硅改性丙烯酸酯树脂为主要成膜物质,在通常采用的膨胀防火体系中添加三聚氰胺磷酸盐和可发性膨胀石墨构成超薄膨胀型钢结构防火防腐涂料;中国专利CN 102115627B公开了一种膨胀型钢结构防火防腐蚀涂料,其以水性硅丙树脂和羟基丙烯酸树脂作为基料树脂,利用插层结构的纳米蒙脱土/导电聚合物复合材料为导电填料,辅以防火阻燃体系、防腐填料和适量助剂,使涂层具有优异防火、防腐蚀性能。
钢结构防火涂料具有涂覆厚度薄、饰面型好等特点,被广泛应用于钢结构中,在遇火受热条件下能快速膨胀到原始厚度的十几倍甚至数十倍,在钢结构表面形成一层致密的隔热保温层,阻止热量向钢结构传递,起到提高耐火极限的功能。然而,相对于其他非膨胀型防火涂料,现有的钢结构防火涂料在发泡膨胀初期隔热能力较低,导致钢结构在隔热保温层完全膨胀之前温度上升较大,整体耐火效果通常不如非膨胀型防火涂料,且多数涂料对于钢结构的负重增加较大,其应用效果不理想,使用受到限制。
发明内容
本发明提出一种钢结构用防火防腐涂料,该防火涂料具有涂层薄且隔热防火性能优异的特点。
本发明的技术方案是这样实现的:
一种钢结构用防火防腐涂料,按照重量份数,包括以下组分:
丙烯酸乳液40~60份、邻苯二甲酸二丁酯10~30份、聚磷酸铵4~8份、山梨醇5~10份、氢氧化铝8~16份、润湿分散剂0.4~0.8份、流平剂0.3~0.6份、防腐填料5~10份及改性钛酸钾晶须20~30份;其中,所述改性钛酸钾晶须主要由钛酸钾晶须、纳米二氧化钛与铝酸酯偶联剂制备得到。
优选地,所述改性钛酸钾晶须的制备方法为:
将钛酸钾晶须加入到3~6wt%的马来酸溶液中进行超声分散,升温至80℃~90℃,然后再加入纳米二氧化钛与铝酸酯偶联剂,搅拌反应5~10h,结束后离心真空干燥即可。
优选地,所述钛酸钾晶须与所述铝酸酯偶联剂的质量之比为25~35:1,所述钛酸钾晶须与所述纳米二氧化钛的质量之比为2~6:1。
优选地,所述润湿分散剂为六偏磷酸钠润湿剂;所述流平剂选用水性丙烯酸酯共聚物、氟改性聚丙烯酸酯共聚物或聚醚改性聚硅氧烷聚合物其中的一种。
优选地,所述防腐填料为聚磷酸铝、硼酸锌与偏硼酸钡的混合物。
本发明的钢结构用防火防腐涂料的制备方法:
按照配比将上述组分混合均匀后即可。
本发明的有益效果:
本发明的钢结构用防火防腐涂料添加了主要由钛酸钾晶须、纳米二氧化钛与铝酸酯偶联剂制备得到的改性钛酸钾晶须,提高了防火涂料的耐火隔热性能。
本发明采用两种乳液为基料,兼顾了涂层的防火性、防腐蚀性及装饰性,避免了单一乳液作基料而带来的某种涂膜缺陷。本发明通过对防火组分和防腐蚀组分的合理搭配,同时添加价格较低的增强填料,充分发挥了协效防火、防腐作用,进一步提高涂层的防火性和防腐蚀性。
具体实施方式
实施例1
改性钛酸钾晶须的制备方法为:
将钛酸钾晶须加入到3wt%的马来酸溶液中进行超声分散,升温至80℃,然后再加入纳米二氧化钛与铝酸酯偶联剂,搅拌反应10h,结束后离心真空干燥即可。
钛酸钾晶须与铝酸酯偶联剂的质量之比为25:1,钛酸钾晶须与纳米二氧化钛的质量之比为6:1。
实施例2
改性钛酸钾晶须的制备方法为:
将钛酸钾晶须加入到6wt%的马来酸溶液中进行超声分散,升温至90℃,然后再加入纳米二氧化钛与铝酸酯偶联剂,搅拌反应5h,结束后离心真空干燥即可。
钛酸钾晶须与铝酸酯偶联剂的质量之比为35:1,钛酸钾晶须与纳米二氧化钛的质量之比为2:1。
实施例3
一种钢结构用防火防腐涂料,按照重量份数,包括以下组分:
丙烯酸乳液50份、邻苯二甲酸二丁酯20份、聚磷酸铵6份、山梨醇7份、氢氧化铝12份、六偏磷酸钠润湿剂0.6份、水性丙烯酸酯共聚物0.5份、防腐填料12份及实施例1的改性钛酸钾晶须26份。防腐填料为聚磷酸铝、硼酸锌与偏硼酸钡的混合物。
实施例4
一种钢结构用防火防腐涂料,按照重量份数,包括以下组分:
丙烯酸乳液40份、邻苯二甲酸二丁酯30份、聚磷酸铵4份、山梨醇8份、氢氧化铝8份、六偏磷酸钠润湿剂0.4份、聚醚改性聚硅氧烷聚合物0.3份、防腐填料10份及实施例2的改性钛酸钾晶须20份。防腐填料为聚磷酸铝、硼酸锌与偏硼酸钡的混合物。
实施例5
一种钢结构用防火防腐涂料,按照重量份数,包括以下组分:
丙烯酸乳液60份、邻苯二甲酸二丁酯10份、聚磷酸铵8份、山梨醇5份、氢氧化铝16份、六偏磷酸钠润湿剂0.5份、聚醚改性聚硅氧烷聚合物0.6份、防腐填料13份及实施例1的改性钛酸钾晶须30份。防腐填料为聚磷酸铝、硼酸锌与偏硼酸钡的混合物。
实施例6
一种钢结构用防火防腐涂料,按照重量份数,包括以下组分:
丙烯酸乳液45份、邻苯二甲酸二丁酯15份、聚磷酸铵5份、山梨醇10份、氢氧化铝14份、六偏磷酸钠润湿剂0.8份、氟改性聚丙烯酸酯共聚物0.6份、防腐填料12份及实施例2的改性钛酸钾晶须24份。防腐填料为聚磷酸铝、硼酸锌与偏硼酸钡的混合物。
试验例
将实施例3~6得到的钢结构用防火防腐涂料进行性能测试,结果见表1:
表1本发明的钢结构用防火防腐涂料的性能测试结果
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 (5)
1.一种钢结构用防火防腐涂料,其特征在于,按照重量份数,包括以下组分:
丙烯酸乳液40~60份、邻苯二甲酸二丁酯10~30份、聚磷酸铵4~8份、山梨醇5~10份、氢氧化铝8~16份、润湿分散剂0.4~0.8份、流平剂0.3~0.6份、防腐填料5~10份及改性钛酸钾晶须20~30份;其中,所述改性钛酸钾晶须主要由钛酸钾晶须、纳米二氧化钛与铝酸酯偶联剂制备得到。
2.根据权利要求1所述的钢结构用防火防腐涂料,其特征在于,所述改性钛酸钾晶须的制备方法为:
将钛酸钾晶须加入到3~6wt%的马来酸溶液中进行超声分散,升温至80℃~90℃,然后再加入纳米二氧化钛与铝酸酯偶联剂,搅拌反应5~10h,结束后离心真空干燥即可。
3.根据权利要求2所述的钢结构用防火防腐涂料,其特征在于,所述钛酸钾晶须与所述铝酸酯偶联剂的质量之比为25~35:1,所述钛酸钾晶须与所述纳米二氧化钛的质量之比为2~6:1。
4.根据权利要求1所述的钢结构用防火防腐涂料,其特征在于,所述润湿分散剂为六偏磷酸钠润湿剂;所述流平剂选用水性丙烯酸酯共聚物、氟改性聚丙烯酸酯共聚物或聚醚改性聚硅氧烷聚合物其中的一种。
5.根据权利要求1所述的钢结构用防火防腐涂料,其特征在于,所述防腐填料为聚磷酸铝、硼酸锌与偏硼酸钡的混合物。
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