CN116162401A - 一种含氟磷铁涂料及其制备方法 - Google Patents
一种含氟磷铁涂料及其制备方法 Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 239000011248 coating agent Substances 0.000 title claims abstract description 48
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 28
- 239000011737 fluorine Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
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- OHRVBDRGLIWLPA-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] dihydrogen phosphate Chemical compound OCC(CO)(CO)COP(O)(O)=O OHRVBDRGLIWLPA-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
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- ZTWBXCGKRKUYSY-UHFFFAOYSA-N piperazine-1-carboximidamide Chemical compound NC(=N)N1CCNCC1 ZTWBXCGKRKUYSY-UHFFFAOYSA-N 0.000 claims abstract description 17
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- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
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- 125000003700 epoxy group Chemical group 0.000 description 1
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- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
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- 230000002401 inhibitory effect Effects 0.000 description 1
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- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
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- C09D175/04—Polyurethanes
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Abstract
本发明公开了一种含氟磷铁涂料及其制备方法,涉及涂料技术领域。本发明先由氨基化石墨烯、环氧树脂、聚合物多元醇、异环己酰亚胺、双酚酸制得亲水聚氨酯,吸附钢结构表面,形成致密的保护层,延缓腐蚀介质渗入,使涂料具有耐腐蚀效果;再利用四氯嘧啶并[5,4‑D]嘧啶、季戊四醇磷酸酯、哌嗪‑1‑甲脒反应制得成炭剂,在高温作用下,迅速膨胀形成多孔泡沫炭层,有效隔绝热源,同时释放出氮气、氨气等不燃性气体,稀释氧气,使涂料具有防火效果;然后将亲水聚氨酯树脂、成炭剂、氟磷铁等混合制得涂料。本发明制备的含氟磷铁涂料具有耐腐蚀、防火的效果。
Description
技术领域
本发明涉及涂料技术领域,具体为一种含氟磷铁涂料及其制备方法。
背景技术
钢结构具有高强度、质量轻、延展性良好、抗震、装配度高、制造安装效率高、施工时间短,可循环利用、成本低等优点,使其在建筑业中得到广泛应用。但钢结构在水、蒸汽、化学侵蚀性气体、酸碱盐溶液的作用下,易发生电化学腐蚀,影响其质量、使用的寿命和性能的可靠性。此外,钢结构虽本身为不燃材料,但其机械性能和温度密切相关,一般不加保护的钢结构的耐火极限为15分钟左右,通常在450~650℃温度中就会失去承载能力,发生很大的形变,导致钢柱、钢梁弯曲甚至于结构坍塌。
采用涂料对钢结构进行保护是最普遍、最经济、最实用的保护措施。在众多涂料品种中,聚氨酯因其优异的耐磨蚀、柔韧性、附着力和耐化学品性等性能,目前被广泛应用于涂料中。但是,聚氨酯的防腐蚀性能较差,用其制成涂料往往不能满足腐蚀性能的要求,需要对其加以改性;此外,聚氨酯材料本身易于燃烧,用其制成的涂料自身防火性能较差。本发明提供一种利用聚氨酯制备的具有耐腐蚀、防火性能的涂料的制备方法,将其涂覆在钢结构表面,可提高钢结构的耐腐蚀性能,在遇火或高温能形成耐火隔热保护层以提高钢结构耐火极限。
发明内容
本发明的目的在于提供一种含氟磷铁涂料及其制备方法,以解决现有技术中存在的问题。
为了解决上述技术问题,本发明提供如下技术方案:
一种含氟磷铁涂料,所述含氟磷铁涂料由亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素混合制得。
进一步的,所述亲水聚氨酯树脂由改性环氧树脂、聚合物多元醇、异环己酰亚胺、双酚酸制得。
进一步的,所述改性环氧树脂由氨基化石墨烯、环氧树脂E44制得;所述氨基化石墨烯由3-(4-脲氨基)丙基三乙氧基硅、氧化石墨烯制得。
进一步的,所述成炭剂由四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、哌嗪-1-甲脒反应制得。
进一步的,一种含氟磷铁涂料的制备方法,包括以下制备步骤:
(1)将氨基化石墨烯、环氧树脂E44、丙酮按质量比0.1:1:0.3~0.2:1:0.5混合,300~500W、25~30kHz超声下反应2~4h后,依次用无水乙醇、丙酮以1500r/min离心洗涤3~5次,抽滤,在真空度-0.085MPa、温度80℃下干燥24h,制得改性环氧树脂;
(2)将预聚物A、预聚物B按质量比1:0.9~1:1.1混合,升温至70~90℃,加入预聚物A质量30~50倍的去离子水,在1000~1500r/min下高速剪切分散0.5~1.5h后,制得亲水聚氨酯树脂;
(3)将四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、乙腈、三乙胺按质量比1:1:0.9:200~2:3:1.1:200混合,在氮气氛围、10~20℃下反应2~3h,然后加入季戊四醇磷酸酯质量0.5~1.5倍的哌嗪-1-甲脒,在400~600rpm、40~50℃下反应3~5h后,加入季戊四醇磷酸酯质量0.5~1.5倍的哌嗪-1-甲脒,在80~90℃下反应5~7h,取沉淀物,用去离子水洗涤3~5次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂;
(4)将亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素按质量比20:3:0.5:0.5:0.3~20:5:1:0.7:0.5混合,在1000~1500r/min下高速剪切分散0.5~1.5h后,在真空度-0.09MPa、45~55℃蒸馏2~3h,制得含氟磷铁涂料。
进一步的,步骤(1)所述氨基化石墨烯制备方法为:将无水乙醇、去离子水、氧化石墨烯、3-(4-脲氨基)丙基三乙氧基硅按质量比50:118:0.1:1~50:118:0.3:3混合,加入冰乙酸至反应液pH为4~5后,反应40~50h,加入质量分数为5%的氢氧化钠至反应液pH为8~9,60~70℃反应1~2h,用去离子水以1000~1500r/min离心洗涤至上层清液pH为6~7,取下层浆液,抽滤,用去离子水洗3~5次后,在真空度-0.085MPa、温度80℃下干燥24h,得氨基化石墨烯。
进一步的,步骤(2)中所述预聚物A的制备方法为:将聚合物多元醇于100~120℃、真空度-0.09MPa脱水0.5~1.5h后,降温至40~50℃,加入聚合物多元醇质量0.05~0.09倍的异环己酰亚胺,75~85℃反应1.5~2.5h,降温至室温,制得预聚物A。
进一步的,步骤(2)中所述预聚物B的制备方法为:将双酚酸、改性环氧树脂、聚合物多元醇按照质量比1:0.3:0.5~1:0.5:2.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B。
与现有技术相比,本发明所达到的有益效果是:
本发明由亲水聚氨酯树脂、成炭剂混合制得含氟磷铁涂料,具有耐腐蚀、防火效果。
首先,亲水聚氨酯树脂由改性环氧树脂、聚合物多元醇、异环己酰亚胺、双酚酸制备得到;改性环氧树脂由氨基化石墨烯改性环氧树脂制得;3-(4-脲氨基)丙基三乙氧基硅与氧化石墨烯表面的含氧基团发生亲核加成,制得氨基化石墨烯,可以通过物理阻隔作用延缓腐蚀介质渗入涂层内部的速度,使涂层具有耐腐蚀效果,同时可填充到涂层的空隙中,提升涂层的致密性,增益涂层耐腐蚀效果;氨基化石墨烯与环氧树脂上的环氧基团反应,制得改性环氧树脂后,与异环己酰亚胺中的异氰酸酯基团反应形成交联网络,可提高亲水聚氨酯树脂的内聚力,增加树脂的粘结力,从而形成更为致密的保护层,增益耐腐蚀性能;然后与聚合物多元醇、双酚酸聚合制得亲水聚氨酯树脂,双酚酸的引入提高了亲水聚氨酯树脂中羟基、酯基及脲基的含量,产物内聚能密度相应提高,分子内库仑力和氢键作用增加,提高涂层的强度,有利于涂层的完整性,增益耐腐蚀效果。
其次,成炭剂由四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、哌嗪-1-甲脒反应制得;四氯嘧啶并[5,4-D]嘧啶中的氯基团与季戊四醇磷酸酯的羟基反应,制得氮磷化合物后,与哌嗪-1-甲脒聚合制得成炭剂,在高温作用下,成炭剂中的醇基、磷酸基团脱水交联,形成碳层,将热源与基材隔绝,使涂料具有防火效果;同时胺基吸热分解,释放出氮气、氨气等不燃性气体,使得涂层膨胀形成多孔泡沫炭层,削弱基材与热源之间的热传导,阻隔可燃物,有助于提高防火效果;同时,不然性气体的释放可稀释氧气浓度,抑制燃烧速率,氮气可以捕捉自由基,通过抑制链式反应来阻止进一步热解,增益防火效果;此外,成炭剂中的羧基可与亲水聚氨酯中的羟基反应,交联形成致密碳层,增益防火效果。
具体实施方式
下面将结合本发明实施例,对本发明实施例中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做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。
为了更清楚的说明本发明提供的方法通过以下实施例进行详细说明,在以下实施例中制作的含氟磷铁涂料的各指标测试方法如下:
将实施例和对比例中制备的含氟磷铁涂料涂在相同大小的钢结构上,涂层厚度为300μm,静置70min后,得到含氟磷铁涂料处理的钢结构;
耐腐蚀效果:将含氟磷铁涂料处理的钢结构按JISZ2371测试腐蚀面积并以10个等级评判,数字越大,腐蚀率越小,耐腐蚀效果越好。
防火效果:将含氟磷铁涂料处理的钢结构按照GB14907耐火测试,记录耐火时间。
实施例1
(1)将无水乙醇、去离子水、氧化石墨烯、3-(4-脲氨基)丙基三乙氧基硅按质量比50:118:0.1:1混合,加入冰乙酸至反应液pH为4后,反应40h,加入质量分数为5%的氢氧化钠至反应液pH为8,60℃反应1h,用去离子水以1000r/min离心洗涤至上层清液pH为6,取下层浆液,抽滤,用去离子水洗3次后,在真空度-0.085MPa、温度80℃下干燥24h,得氨基化石墨烯;
(2)将氨基化石墨烯、环氧树脂E44、丙酮按质量比0.1:1:0.3混合,300W、25kHz超声下反应2h后,依次用无水乙醇、丙酮以1500r/min离心洗涤3次,抽滤,在真空度-0.085MPa、温度80℃下干燥24h,制得改性环氧树脂;
(3)将聚合物多元醇于100℃、真空度-0.09MPa脱水0.5h后,降温至40℃,加入聚合物多元醇质量0.05倍的异环己酰亚胺,75℃反应1.5h,降温至室温,制得预聚物A;将双酚酸、改性环氧树脂、聚合物多元醇按照质量比1:0.3:0.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B;
(4)将预聚物A、预聚物B按质量比1:0.9混合,升温至70℃,加入预聚物A质量30倍的去离子水,在1000r/min下高速剪切分散0.5h后,制得亲水聚氨酯树脂;
(5)将四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、乙腈、三乙胺按质量比1:1:0.9:200混合,在氮气氛围、10℃下反应2h,然后加入季戊四醇磷酸酯质量0.5倍的哌嗪-1-甲脒,在400rpm、40℃下反应3h后,加入季戊四醇磷酸酯质量0.5倍的哌嗪-1-甲脒,在80℃下反应5h,取沉淀物,用去离子水洗涤3次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂;
(6)将亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素按质量比20:3:0.5:0.5:0.3混合,在1000r/min下高速剪切分散0.5h后,在真空度-0.09MPa、45℃蒸馏2h,制得含氟磷铁涂料。
实施例2
(1)将无水乙醇、去离子水、氧化石墨烯、3-(4-脲氨基)丙基三乙氧基硅按质量比50:118:0.2:2混合,加入冰乙酸至反应液pH为5后,反应45h,加入质量分数为5%的氢氧化钠至反应液pH为9,65℃反应1.5h,用去离子水以1250r/min离心洗涤至上层清液pH为7,取下层浆液,抽滤,用去离子水洗4次后,在真空度-0.085MPa、温度80℃下干燥24h,得氨基化石墨烯;
(2)将氨基化石墨烯、环氧树脂E44、丙酮按质量比0.15:1:0.4混合,400W、28kHz超声下反应3h后,依次用无水乙醇、丙酮以1500r/min离心洗涤4次,抽滤,在真空度-0.085MPa、温度80℃下干燥24h,制得改性环氧树脂;
(3)将聚合物多元醇于110℃、真空度-0.09MPa脱水1.0h后,降温至45℃,加入聚合物多元醇质量0.07倍的异环己酰亚胺,80℃反应2h,降温至室温,制得预聚物A;将双酚酸、改性环氧树脂、聚合物多元醇按照质量比1:0.4:1.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B;
(4)将预聚物A、预聚物B按质量比1:1混合,升温至80℃,加入预聚物A质量40倍的去离子水,在1250r/min下高速剪切分散1h后,制得亲水聚氨酯树脂;
(5)将四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、乙腈、三乙胺按质量比1.5:2:1:200混合,在氮气氛围、15℃下反应2.5h,然后加入季戊四醇磷酸酯质量1倍的哌嗪-1-甲脒,在500rpm、45℃下反应4h后,加入季戊四醇磷酸酯质量1倍的哌嗪-1-甲脒,在85℃下反应6h,取沉淀物,用去离子水洗涤4次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂;
(6)将亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素按质量比20:4:0.8:0.6:0.4混合,在1250r/min下高速剪切分散1h后,在真空度-0.09MPa、50℃蒸馏2.5h,制得含氟磷铁涂料。
实施例3
(1)将无水乙醇、去离子水、氧化石墨烯、3-(4-脲氨基)丙基三乙氧基硅按质量比50:118:0.3:3混合,加入冰乙酸至反应液pH为5后,反应50h,加入质量分数为5%的氢氧化钠至反应液pH为9,70℃反应2h,用去离子水以1500r/min离心洗涤至上层清液pH为7,取下层浆液,抽滤,用去离子水洗5次后,在真空度-0.085MPa、温度80℃下干燥24h,得氨基化石墨烯;
(2)将氨基化石墨烯、环氧树脂E44、丙酮按质量比0.2:1:0.5混合,500W、30kHz超声下反应4h后,依次用无水乙醇、丙酮以1500r/min离心洗涤5次,抽滤,在真空度-0.085MPa、温度80℃下干燥24h,制得改性环氧树脂;
(3)将聚合物多元醇于120℃、真空度-0.09MPa脱水1.5h后,降温至50℃,加入聚合物多元醇质量0.09倍的异环己酰亚胺,85℃反应2.5h,降温至室温,制得预聚物A;将双酚酸、改性环氧树脂、聚合物多元醇按照质量比1:0.5:2.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B;
(4)将预聚物A、预聚物B按质量比1:1.1混合,升温至90℃,加入预聚物A质量50倍的去离子水,在1500r/min下高速剪切分散1.5h后,制得亲水聚氨酯树脂;
(5)将四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、乙腈、三乙胺按质量比2:3:1.1:200混合,在氮气氛围、20℃下反应3h,然后加入季戊四醇磷酸酯质量1.5倍的哌嗪-1-甲脒,在600rpm、50℃下反应5h后,加入季戊四醇磷酸酯质量1.5倍的哌嗪-1-甲脒,在90℃下反应7h,取沉淀物,用去离子水洗涤5次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂;
(6)将亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素按质量比20:5:1:0.7:0.5混合,在1500r/min下高速剪切分散1.5h后,在真空度-0.09MPa、55℃蒸馏3h,制得含氟磷铁涂料。
对比例1
对比例1与实施例2的区别在于无步骤(1),将步骤(2)改为:将氧化石墨烯、环氧树脂E44、丙酮按质量比0.15:1:0.4混合,400W、28kHz超声下反应3h后,依次用无水乙醇、丙酮以1500r/min离心洗涤4次,抽滤,在真空度-0.085MPa、温度80℃下干燥24h,制得改性环氧树脂。其余步骤同实施例2。
对比例2
对比例2与实施例2的区别在于无步骤(2),将步骤(3)改为:将聚合物多元醇于110℃、真空度-0.09MPa脱水1.0h后,降温至45℃,加入聚合物多元醇质量0.07倍的异环己酰亚胺,80℃反应2.0h,降温至室温,制得预聚物A;将双酚酸、氨基化石墨烯、聚合物多元醇按照质量比1:0.4:1.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B。其余步骤同实施例2。
对比例3
对比例3与实施例2的区别在于步骤(3)不同,将步骤(3)改为:将聚合物多元醇于110℃、真空度-0.09MPa脱水1.0h后,降温至45℃,加入聚合物多元醇质量0.07倍的异环己酰亚胺,80℃反应2.0h,降温至室温,制得预聚物A;将改性环氧树脂、聚合物多元醇按照质量比0.4:1.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B。其余步骤同实施例2。
对比例4
对比例4与实施例2的区别在于步骤(5)不同,将步骤(5)改为:将季戊四醇磷酸酯、乙腈、三乙胺按质量比2:1:200混合,在氮气氛围、15℃下反应2.5h,然后加入季戊四醇磷酸酯质量1倍的哌嗪-1-甲脒,在500rpm、45℃下反应4h后,加入季戊四醇磷酸酯质量1倍的哌嗪-1-甲脒,在85℃下反应6h,取沉淀物,用去离子水洗涤4次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂。其余步骤同实施例2。
对比例5
对比例5与实施例2的区别在于步骤(5)不同,将步骤(5)改为:将四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、乙腈、三乙胺按质量比1.5:2:1:200混合,在氮气氛围、15℃下反应2.5h,取沉淀物,用去离子水洗涤4次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂。其余步骤同实施例2。
效果例
下表1给出了采用本发明实施例1至3与对比例1至5的含氟磷铁涂料的性能分析结果。
表1
从表1中实施例与对比例盐雾测试等级数据对比可发现,氨基化石墨烯可以通过物理阻隔作用延缓腐蚀介质渗入涂层内部的速度,使涂层具有耐腐蚀效果,同时可填充到涂层的空隙中,提升涂层的致密性,增益涂层耐腐蚀效果;改性环氧树脂可与异环己酰亚胺反应形成交联网络,从而形成更为致密的保护层,增益耐腐蚀性能;双酚酸的引入可提高涂层的强度,有利于涂层的完整性,增益耐腐蚀效果;从表1中实施例与对比例耐火时间数据对比可发现,四氯嘧啶并[5,4-D]嘧啶与季戊四醇磷酸酯反应后,与哌嗪-1-甲脒聚合制得成炭剂,在高温作用下,可脱水交联形成碳层,将热源与基材隔绝,使涂料具有防火效果;同时成炭剂高温分解释放出氮气、氨气等不燃性气体,稀释氧气浓度的同时,使得涂层膨胀形成多孔泡沫炭层,增益防火效果。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何标记视为限制所涉及的权利要求。
Claims (8)
1.一种含氟磷铁涂料,其特征在于,所述含氟磷铁涂料由亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素混合制得。
2.根据权利要求1所述的一种含氟磷铁涂料,其特征在于,所述亲水聚氨酯树脂由改性环氧树脂、聚合物多元醇、异环己酰亚胺、双酚酸制得。
3.根据权利要求2所述的一种含氟磷铁涂料,其特征在于,所述改性环氧树脂由氨基化石墨烯、环氧树脂E44制得;所述氨基化石墨烯由3-(4-脲氨基)丙基三乙氧基硅、氧化石墨烯制得。
4.根据权利要求1所述的一种含氟磷铁涂料,其特征在于,所述成炭剂由四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、哌嗪-1-甲脒反应制得。
5.一种含氟磷铁涂料的制备方法,其特征在于,包括以下制备步骤:
(1)将氨基化石墨烯、环氧树脂E44、丙酮按质量比0.1:1:0.3~0.2:1:0.5混合,300~500W、25~30kHz超声下反应2~4h后,依次用无水乙醇、丙酮以1500r/min离心洗涤3~5次,抽滤,在真空度-0.085MPa、温度80℃下干燥24h,制得改性环氧树脂;
(2)将预聚物A、预聚物B按质量比1:0.9~1:1.1混合,升温至70~90℃,加入预聚物A质量30~50倍的去离子水,在1000~1500r/min下高速剪切分散0.5~1.5h后,制得亲水聚氨酯树脂;
(3)将四氯嘧啶并[5,4-D]嘧啶、季戊四醇磷酸酯、乙腈、三乙胺按质量比1:1:0.9:200~2:3:1.1:200混合,在氮气氛围、10~20℃下反应2~3h,然后加入季戊四醇磷酸酯质量0.5~1.5倍的哌嗪-1-甲脒,在400~600rpm、40~50℃下反应3~5h后,加入季戊四醇磷酸酯质量0.5~1.5倍的哌嗪-1-甲脒,在80~90℃下反应5~7h,取沉淀物,用去离子水洗涤3~5次,在真空度-0.085MPa、温度80℃下干燥24h,制得成炭剂;
(4)将亲水聚氨酯树脂、成炭剂、氟磷铁、烷基醇酰胺聚乙烯醚、羧甲基纤维素按质量比20:3:0.5:0.5:0.3~20:5:1:0.7:0.5混合,在1000~1500r/min下高速剪切分散0.5~1.5h后,在真空度-0.09MPa、45~55℃蒸馏2~3h,制得含氟磷铁涂料。
6.根据权利要求5所述的一种含氟磷铁涂料的制备方法,其特征在于,步骤(1)所述氨基化石墨烯制备方法为:将无水乙醇、去离子水、氧化石墨烯、3-(4-脲氨基)丙基三乙氧基硅按质量比50:118:0.1:1~50:118:0.3:3混合,加入冰乙酸至反应液pH为4~5后,反应40~50h,加入质量分数为5%的氢氧化钠至反应液pH为8~9,60~70℃反应1~2h,用去离子水以1000~1500r/min离心洗涤至上层清液pH为6~7,取下层浆液,抽滤,用去离子水洗3~5次后,在真空度-0.085MPa、温度80℃下干燥24h,得氨基化石墨烯。
7.根据权利要求5所述的一种含氟磷铁涂料的制备方法,其特征在于,步骤(2)中所述预聚物A的制备方法为:将聚合物多元醇于100~120℃、真空度-0.09MPa脱水0.5~1.5h后,降温至40~50℃,加入聚合物多元醇质量0.05~0.09倍的异环己酰亚胺,75~85℃反应1.5~2.5h,降温至室温,制得预聚物A。
8.根据权利要求5所述的一种含氟磷铁涂料的制备方法,其特征在于,步骤(2)中所述预聚物B的制备方法为:将双酚酸、改性环氧树脂、聚合物多元醇按照质量比1:0.3:0.5~1:0.5:2.5混合,120℃下加热至完全溶解,然后冷却至室温,制得预聚物B。
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