CN110964363A - 一种透明防火涂料及其制备方法 - Google Patents
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- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 36
- 239000010452 phosphate Substances 0.000 claims abstract description 36
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 23
- 239000004640 Melamine resin Substances 0.000 claims abstract description 19
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- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 24
- 239000000377 silicon dioxide Substances 0.000 claims description 19
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- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 7
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 7
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 7
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- 238000001816 cooling Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- HWKOLJIWOOTRIN-UHFFFAOYSA-N [[4,6-bis[bis(hydroxymethyl)amino]-1,3,5-triazin-2-yl]-(hydroxymethyl)amino]methanol formaldehyde Chemical compound C=O.C(O)N(C1=NC(=NC(=N1)N(CO)CO)N(CO)CO)CO HWKOLJIWOOTRIN-UHFFFAOYSA-N 0.000 claims description 5
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
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- 238000000034 method Methods 0.000 claims description 3
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- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 2
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 239000004566 building material Substances 0.000 abstract description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
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- 235000011147 magnesium chloride Nutrition 0.000 description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 2
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- 239000005696 Diammonium phosphate Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
- C09D5/185—Intumescent paints
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- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/32—Modified amine-aldehyde condensates
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- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
本发明公开了一种透明防火涂料及其制备方法,属于建材及涂料制备领域。本申请通过磷酸酯类和水性三聚氰胺类树脂作为涂料的主要成分,提供主要的阻燃效果;然后通过碳催化剂、吹气剂、增效剂和吸附剂进一步提高阻燃的效果;另外起到提高涂料的透明效果,避免影响建筑本来的色彩,提高可观赏性;具有好的工业应用前景和社会经济价值。
Description
技术领域
本申请涉及建材及涂料制备领域,具体而言,涉及一种透明防火涂料及其制备方法。
背景技术
涂覆饰面型防火涂料是目前最好的木材防火手段,在木材受火时可以达到延长木材耐燃时间,减缓火势蔓延的目的,以便有足够的时间进行扑救,尽可能减少火灾造成的损失。
目前,国内外的透明饰面型防火涂料仍处于起步阶段,市面上出售的此类涂料比较少,能够真正投入实际应用的更为稀少。限制透明饰面型防火涂料实际应用的一大因素是涂膜的柔韧性太差,涂料涂覆于基材上固化后不久就会出现涂膜开裂等现象。
目前缺乏改性的防火涂料,应对恶劣的环境时,仍能保持优异的防火性能。
申请内容
本申请的第一方面公开了一种透明防火涂料,该涂料既不会遮蔽要涂刷的建筑物的颜色,又能起到防火的效果;即使在较差的工况下,依然能保持较好的性能。
在前述的第一方面的一些实施例中,磷酸酯类为接枝环氧磷酸酯、酸式磷酸酯、多聚磷酸酯或含硼磷酸酯中的一种。
本申请中选用磷酸酯类物质用以制备涂层,在保证涂料透明性的基础上,提高涂料的阻燃性能和抑烟性能。
在前述的第一方面的一些实施例中,水性三聚氰胺类树脂为水性六羟甲基三聚氰胺甲醛树脂、水性低醚化三聚氰胺甲醛树脂、丁基化三聚氰胺树脂、水性脲醛树脂中的至少一种。
本申请中的水性三聚氰胺类树脂进一步的提高涂料的阻燃效果。
在前述的第一方面的一些实施例中,碳催化剂为磷酸氢二铵、磷酸二氢铵、聚磷酸铵中的一种;所述吹气剂为为脲、三聚氰胺、苯甲胺;所述增效剂为羟乙基纤维素和氯化镁;所述吸附剂为二氧化硅。
本申请中,通过碳催化剂,吹气剂提高阻燃性能,通过吸附剂可以吸附一些有害气体,同时;二氧化硅同样能起到阻燃的效果。纳米二氧化硅还可以使得墙面细腻,不会产生颗粒感。
本申请的方面公开了一种透明防火涂料的制备方法,该制备方法包括以下步骤:
将碳催化剂、吹气剂、羟乙基纤维素和氯化镁混合后在143-162℃温度下熔融混合,冷却至90-95℃并用80-96℃的热水过滤浓缩,得到结晶混合物;
将结晶混合物与作为吸附剂的二氧化硅混合,得到第三组分;
将第三组分与磷酸酯类和水性三聚氰胺类树脂共混,制备得到所述透明防火涂料。
在前述的第一方面的一些实施例中,碳催化剂、吹气剂、羟乙基纤维素和氯化镁按照9-18:11-13:3-6:1-3的质量比混合。
在前述的第一方面的一些实施例中,第三组分与磷酸酯类和水性三聚氰胺类树脂按照15-35:35-55:15-25的质量比混合。
与现有技术相比,本申请的有益效果为:本申请通过磷酸酯类和水性三聚氰胺类树脂作为涂料的主要成分,提供主要的阻燃效果;然后通过碳催化剂、吹气剂、增效剂和吸附剂进一步提高阻燃的效果;另外起到提高涂料的透明效果,避免影响建筑本来的色彩,提高可观赏性;具有好的工业应用前景和社会经济价值。
具体实施方式
下面将结合实施例对本申请的实施方案进行详细描述,但是本领域技术人员将会理解,下列实施例仅用于说明本申请,而不应视为限制本申请的范围。实施例中未注明具体条件者,按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者,均为可以通过市售购买获得的常规产品。
以下结合实施例对本申请的特征和性能作进一步的详细描述。
实施例1
本实施例提供一种透明防火涂料,该透明防火涂料包括磷酸酯类,水性三聚氰胺类树脂、碳催化剂、吹气剂、增效剂以及吸附剂;磷酸酯类选择接枝环氧磷酸酯,水性三聚氰胺类树脂选择水性六羟甲基三聚氰胺甲醛树脂,碳催化剂选择磷酸氢二铵,吹气剂选择三聚氰胺、苯甲胺的混合物,增效剂为羟乙基纤维素和氯化镁,吸附剂为二氧化硅,二氧化硅可以是纳米二氧化硅。
本实施例还提供一种透明防火涂料的制备方法,该制备方法包括以下步骤:
1.1将环氧树脂溶于适量的溶剂中,温度为60~80℃,然后加入适量的胺类物质,反应5-24h,然后除去溶剂,得到水性环氧树脂;然后取适量的磷酸和先前制备的水性环氧树酯以及适量的聚乙二醇于容器中,充分搅拌,升温到100~140℃,反应2-10h,出料得到接枝的水性环氧磷酸酯阻燃剂;
1.2将三聚氰胺和苯甲胺的混合物、磷酸氢二铵、羟乙基纤维素和氯化镁按照9:11:6:1的比例混合,后在143℃温度下熔融混合;
1.3冷却至95℃并用96℃的热水过滤浓缩,得到结晶混合物;
1.4将结晶混合物与纳米二氧化硅按照10:1的比例混合,制备得到第三组分;
1.5第三组分与接枝环氧磷酸酯、水性六羟甲基三聚氰胺甲醛树脂按照35:35:15的质量比混合制备得到透明防火涂料。
实施例2
本实施例提供一种透明防火涂料,该透明防火涂料包括磷酸酯类,水性三聚氰胺类树脂、碳催化剂、吹气剂、增效剂以及吸附剂;磷酸酯类选择含硼磷酸酯,水性三聚氰胺类树脂选择丁基化三聚氰胺树脂,碳催化剂选择聚磷酸铵,吹气剂选择三聚氰胺,增效剂为羟乙基纤维素和氯化镁,吸附剂为二氧化硅,二氧化硅可以是纳米二氧化硅。
本实施例还提供一种透明防火涂料的制备方法,该制备方法包括以下步骤:
1.1将聚乙二醇与硼化合物按照摩尔比1.2:1在113℃下混合反应4.5h,得到聚乙二醇硼酸酯;将磷酸、季戊四醇和正丁醇按照摩尔比1:0.25:0.1在145℃下混合反应2.5h,得到酸式磷酸酯;聚乙二醇硼酸酯与酸式磷酸酯按照摩尔比0.2:1在145℃下混合反应2.5h,得到含硼磷酸酯;
1.2将磷酸氢二铵、三聚氰胺、羟乙基纤维素和氯化镁按照18:13:3:3的比例混合,后在161℃温度下熔融混合;
1.3冷却至89℃并用80℃的热水过滤浓缩,得到结晶混合物;
1.4将结晶混合物与纳米二氧化硅按照9:1的比例混合,制备得到第三组分;
1.5第三组分与接枝环氧磷酸酯、水性六羟甲基三聚氰胺甲醛树脂按照17:35:15的质量比混合制备得到透明防火涂料。
实施例3
本实施例提供一种透明防火涂料,该透明防火涂料包括磷酸酯类,水性三聚氰胺类树脂、碳催化剂、吹气剂、增效剂以及吸附剂;磷酸酯类选择酸式磷酸酯,酸式磷酸酯为纳米填料接枝酸式磷酸酯(即纳米二氧化硅接枝酸式磷酸酯),水性三聚氰胺类树脂选择丁基化三聚氰胺树脂,碳催化剂选择磷酸氢二铵,吹气剂选择脲、三聚氰胺、苯甲胺的混合物,增效剂为羟乙基纤维素和氯化镁,吸附剂为二氧化硅,二氧化硅可以是纳米二氧化硅。
本实施例还提供一种透明防火涂料的制备方法,该制备方法包括以下步骤:
1.1称取纳米二氧化硅在90℃下干燥30h,然后加入到容器中,向容器中加入500-600ml甲苯和5g-10g KH-550于110℃-130℃加热搅拌1h-3h,之后将产物冷却、过滤、用无水乙醇洗涤,然后在100-120℃干燥8-12h,得到烷基化纳米二氧化硅;然后,将烷基化纳米二氧化硅、季戊四醇、磷酸和正丁醇在120℃-140℃下混合反应3h-6h,得到纳米二氧化硅接枝酸式磷酸酯化合物;
1.2将脲、三聚氰胺、苯甲胺的混合物、磷酸氢二铵、羟乙基纤维素和氯化镁按照12:12:5:2的比例混合,后在155℃温度下熔融混合;
1.3冷却至93℃并用92℃的热水过滤浓缩,得到结晶混合物;
1.4将结晶混合物与纳米二氧化硅按照7:2的比例混合,制备得到第三组分;
1.5第三组分与纳米二氧化硅接枝酸式磷酸酯化合物、水性三聚氰胺类树脂选择丁基化三聚氰胺树脂按照23:46:27的质量比混合制备得到透明防火涂料。
以上所描述的实施例是本申请一部分实施例,而不是全部的实施例。本申请的实施例的详细描述并非旨在限制要求保护的本申请的范围,而是仅仅表示本申请的选定实施例。基于本申请中的实施例,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,都属于本申请保护的范围。
Claims (8)
1.一种透明防火涂料,其特征在于,所述透明防火涂料包括第一组分、第二组分和第三组分;所述第一组分为磷酸酯类,所述第二组分为水性三聚氰胺类树脂;所述第三组分包括碳催化剂、吹气剂、增效剂和吸附剂。
2.根据权利要求1所述的透明防火涂料,其特征在于,所述磷酸酯类为接枝环氧磷酸酯、酸式磷酸酯、多聚磷酸酯或含硼磷酸酯中的一种。
3.根据权利要求1所述的透明防火涂料,其特征在于,水性三聚氰胺类树脂为水性六羟甲基三聚氰胺甲醛树脂、水性低醚化三聚氰胺甲醛树脂、丁基化三聚氰胺树脂、水性脲醛树脂中的至少一种。
4.根据权利要求1所述的透明防火涂料,其特征在于,所述碳催化剂为磷酸氢二铵、磷酸二氢铵、聚磷酸铵中的一种;所述吹气剂为为脲、三聚氰胺、苯甲胺;所述增效剂为羟乙基纤维素和氯化镁;所述吸附剂为二氧化硅。
5.根据权利要求4所述的透明防火涂料,,其特征在于,所述二氧化硅为纳米二氧化硅。
6.一种透明防火涂料的制备方法,其特征在于,所述透明防火涂料的制备方法包括以下步骤:
将碳催化剂、吹气剂、羟乙基纤维素和氯化镁混合后在143-162℃温度下熔融混合,冷却至90-95℃并用80-96℃的热水过滤浓缩,得到结晶混合物;
将所述结晶混合物与作为吸附剂的二氧化硅混合,得到第三组分;
将所述第三组分与磷酸酯类和水性三聚氰胺类树脂共混,制备得到所述透明防火涂料。
7.根据权利要求6所述的透明防火涂料的制备方法,其特征在于,所述碳催化剂、所述吹气剂、所述羟乙基纤维素和所述氯化镁按照9-18:11-13:3-6:1-3的质量比混合。
8.根据权利要求6所述的透明防火涂料的制备方法,其特征在于,所述第三组分与所述磷酸酯类和所述水性三聚氰胺类树脂按照15-35:35-55:15-25的质量比混合。
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