CN110452587A - 一种高耐候性氟碳涂料及制备方法 - Google Patents
一种高耐候性氟碳涂料及制备方法 Download PDFInfo
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- CN110452587A CN110452587A CN201910797886.XA CN201910797886A CN110452587A CN 110452587 A CN110452587 A CN 110452587A CN 201910797886 A CN201910797886 A CN 201910797886A CN 110452587 A CN110452587 A CN 110452587A
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- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000576 coating method Methods 0.000 title claims abstract description 60
- 239000011248 coating agent Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- -1 alkyl vinyl ether Chemical compound 0.000 claims abstract description 61
- 239000011347 resin Substances 0.000 claims abstract description 56
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- 239000000178 monomer Substances 0.000 claims abstract description 52
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- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
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- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—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 a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/24—Trifluorochloroethene
- C08F214/245—Trifluorochloroethene with non-fluorinated comonomers
- C08F214/247—Trifluorochloroethene with non-fluorinated comonomers with non-fluorinated vinyl ethers
-
- 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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
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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
- 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
- C09D133/04—Homopolymers or copolymers of esters
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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
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- E—FIXED CONSTRUCTIONS
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- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
- C08F216/16—Monomers containing no hetero atoms other than the ether oxygen
- C08F216/18—Acyclic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
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Abstract
本发明公开了一种高耐候性氟碳涂料及制备方法，其由如下原料组成：FEVE氟碳树脂30～100份、改性树脂10～100份、颜填料1～20份、助剂1～20份、有机溶剂0～20份、固化剂10～40份；FEVE氟碳树脂由重量份如下原料制成：三氟氯乙烯单体30～100份、烷基乙烯基醚单体18～70份、双烯类单体1～25份、共聚单体A1～25份、引发剂0.5～10份、有机溶剂3～8份。本发明引入了双烯类单体如丁二烯、异戊二烯作为功能单体，与三氟氯乙烯单体共聚，双烯类具有优良的链柔顺性、耐腐蚀性，能够增长聚合物链的柔顺性，有效改善树脂的裂缝追随性，使其能够满足极端气候条件下的混凝土防护需求，延长水工混凝土大坝等建筑的使用寿命。
Description
技术领域
本发明涉及建筑材料技术领域，具体涉及一种高耐候性氟碳涂料及制备方法。
背景技术
混凝土结构由于内外因素的作用，易于产生裂缝，从而导致混凝土的劣化。特别是在一些温度变化较大的地区，混凝土更易因昼夜温差的显著差异而产生裂缝，导致其内部易于受水汽、化学物质和二氧化钛的侵入，从而影响混凝土结构的使用寿命。采用防护涂层能保护混凝土不易受外界的侵袭，能有效提高混凝土结构的寿命。目前，常用的混凝土防护涂层包括有机硅类、氟碳树脂类层、环氧树脂类、聚氨酯类、聚脲类等多种防护涂层。研究发现，在上述涂料中，氟碳涂料的耐候性最好，且对裂缝具有较为良好的追随性，能在混凝土开裂后继续起到一定的防护效果。但从研究结果来看，氟碳涂料对裂缝的追随性为0.4mm，还不能完全达到所需要的效果
发明内容
本发明克服了现有技术中氟碳涂料对裂缝追随性差等技术问题，提供一种高耐候性氟碳涂料及制备方法。
为解决上述问题，本发明采取如下技术方案：
一种高耐候性氟碳涂料其由质量份的如下原料组成：
FEVE氟碳树脂30～100份、改性树脂10～100份、颜填料1～20份、助剂1～20份、有机溶剂0～20份、固化剂10～40份；
所述FEVE氟碳树脂由重量份如下原料共聚而成：
三氟氯乙烯单体30～100份、烷基乙烯基醚单体18～70份、双烯类单体1～25份、共聚单体A1～25份、引发剂0.5～10份、有机溶剂3～8份。
其中，所述烷基乙烯基醚单体优选为甲基乙烯基醚、乙基乙烯基醚、十二烷基乙烯基醚、十六烷基乙烯基醚、十八烷基乙烯基醚中的一种或几种，但不限于此几种。
其中，所述共聚单体A为烷基丙烯酸类单体、甲基丙烯酸酯类单体的一种或两种；所述烷基丙烯酸类单体为丙烯酸、甲基丙烯酸、乙基丙烯酸的一种或几种，所述甲基丙烯酸酯类单体为甲基丙烯酸甲酯、甲基丙烯酸乙酯的一种或两种。
其中，所述双烯类单体为共轭烯烃类化合物；所述共轭烯烃类化合物为丁二烯、异戊二烯中的一种或两种。
其中，所述固化剂为甲苯二异氰酸酯、4，4，-二苯基甲烷二异氰酸酯、1，6-己二异氰酸酯等二异氰酸酯、多亚甲基多苯基多异氰酸酯、异氰酸酯三聚化衍生物中的一种或几种。优选的，所述固化剂为HDI三聚体固化剂。
其中，所述改性树脂为聚偏氟乙烯、聚(甲基)丙烯酸酯类树脂中的一种或两种。
其中，所述助剂为流平剂、消泡剂、润湿分散助剂、光稳定剂、消光剂的一种或几种；所述流平剂为聚二甲基硅氧烷、聚甲基烷基硅氧烷、有机改性聚硅氧烷氟、改性丙烯酸、磷酸酯改性丙烯酸的一种或几种；所述消泡剂为高碳醇脂肪酸酯复合物、聚氧乙烯聚氧丙烯季戊四醇醚、聚氧乙烯聚氧丙醇胺醚、聚氧丙烯甘油醚、聚二甲基硅氧烷中的一种或几种；所述润湿分散助剂为线型烷基酰胺类、枝型多聚羧酸、多聚羧酸与多元胺的低聚物、聚氨酯类、接枝丙烯酸共聚物的一种或几种。其中，润湿分散助剂优选为BYK-163，流平剂优选为BYK-306，所述光稳定剂优选为ciba 5060。ciba 5060是CIBA公司的光稳定剂，D.BASF巴斯夫Tinuvin 5060光稳定剂(瑞士汽巴CIBA)。所述消光剂优选为ED30哑光粉，是一种无定型二氧化矽。
其中，所述引发剂为烷基过氧化物、烷基过氧化氢物、过氧化酯、偶氮二异丁腈、过氧化二酰、过硫酸盐中的一种或几种。
其中，所述颜填料为体质颜料和着色颜料一种或两种，所述着色颜料为锌钡白、钛白、炭黑、铁黑、氧化铁红、甲苯胺红、铅铬黄、氧化铁黄、铁蓝、群青、铅铬绿、酞菁绿的一种或几种，所述体质颜料为大白粉、滑石粉中的一种或两种。
其中，所述有机溶剂是200号溶剂汽油、煤油、汽油等石油溶剂，二甲苯等煤焦溶剂，乙酸乙酯、乙酸丁酯、乙酸戊酯等酯类溶剂，丙酮、环己酮等酮类溶剂，乙醇、丁醇等醇类溶剂的一种或几种。
本发明的另一目的还在于保护上述的高耐候性氟碳涂料的制备方法，其包括如下步骤：
(1)FEVE氟碳树脂的制备：向反应釜中添加三氟氯乙烯、烷基乙烯基醚单体、双烯类单体、(甲基)丙烯酸酯、(甲基)丙烯酸等共聚单体A、引发剂和有机溶剂，加热升温至75～83℃，并于该温度下保温反应3～5h即得到所述FEVE氟碳树脂；
(2)涂料的制备：将步骤(1)制备得到的FEVE氟碳树脂加入反应容器中，再依次按比例加入有机溶剂、改性树脂、颜填料、助剂、固化剂；每加入一种反应原料后，均搅拌均匀再加入下一种反应原料，充分搅拌后，熟化2～3h即得到氟碳涂层材料。
本发明的另一目的还在于保护所述氟碳涂料用于混凝土防护处理的方法，其包括如下步骤：采用辊涂装或刷涂装，将熟化后的氟碳涂料在常温干燥的环境下涂装到基材表面，涂膜厚度为0.3～0.5mm，在室温下固化表干20～25h，即可在基材表面形成防护涂层。
本发明与现有技术相比较具有以下有益效果：
(1)与一般的氟碳涂料相比，本发明引入了双烯类单体如丁二烯、异戊二烯作为功能单体，与三氟氯乙烯单体共聚，制备新型FEVE氟碳树脂。双烯类具有优良的链柔顺性、耐腐蚀性，能够增长聚合物链的柔顺性，有效改善树脂的裂缝追随性。本发明的氟碳树脂组合物，具有良好的裂缝追随性，使其能够适应昼夜温差大、高寒、日照紫外强烈等极端气候条件下的混凝土防护需求，延长水工混凝土大坝等建筑的使用寿命。本发明涂料涂层对混凝土裂缝的为0.6mm，具有较好的混凝土裂缝追随性。
(2)本发明在施工工艺上，采用辊涂装或刷涂装的技术路线，方法简单，容易操作。
(3)本发明的氟碳树脂组合物能够制成无溶剂型，有利于保护施工者的健康和环境的安全。
具体实施方式
下面结合实施例和试验对本发明作进一步说明。
实施例1
一种高耐候性氟碳涂料，其由质量份的如下原料组成：
FEVE氟碳树脂100份、改性树脂10份、颜填料20份、助剂1份、有机溶剂20份、固化剂10份。
所述有机溶剂为乙酸丁酯、所述颜填料为金红石钛白，所述助剂为流平剂、润湿分散助剂和光稳定剂，所述流平剂为BYK-306，所述润湿分散助剂为BYK-163，所述光稳定剂为Ciba 5060，所述固化剂为HDI三聚体固化剂，所述改性树脂为聚偏氟乙烯、聚(甲基)丙烯酸酯类树脂两种，两种等质量比混合组成。
所述FEVE氟碳树脂由重量份如下原料共聚而成：
三氟氯乙烯单体100份、烷基乙烯基醚单体18份、双烯类单体25份、共聚单体A1份、引发剂10份、有机溶剂3份。
所述双烯类单体为异戊二烯、所述有机溶剂为乙醇，所述共聚单体A为甲基丙烯酸甲酯、所述有机溶剂为乙醇，所述烷基乙烯基醚单体为甲基乙烯基醚、乙基乙烯基醚、十二烷基乙烯基醚、十六烷基乙烯基醚、十八烷基乙烯基醚。所述引发剂为烷基过氧化物、烷基过氧化氢物、过氧化酯、偶氮二异丁腈、过氧化二酰、过硫酸盐。
其制备方法，包括如下步骤：
(1)FEVE氟碳树脂的制备：向反应釜中添加三氟氯乙烯、烷基乙烯基醚单体、双烯类单体、(甲基)丙烯酸酯、引发剂和有机溶剂，加热升温至83℃，并于该温度下保温反应3h即得到所述FEVE氟碳树脂；
(2)涂料的制备：将步骤(1)制备得到的FEVE氟碳树脂加入反应容器中，再依次按比例加入有机溶剂、改性树脂、颜填料、助剂、固化剂；每加入一种反应原料后，均搅拌均匀再加入下一种反应原料，充分搅拌后，熟化3h即得到氟碳涂层材料。
上述氟碳涂料用于混凝土防护处理的方法，包括如下步骤：采用刷涂装，将熟化后的氟碳涂料在常温干燥的环境下涂装到基材表面，涂膜厚度为0.3mm，在室温下固化表干25h，即可在基材表面形成防护涂层。
实施例2
一种高耐候性氟碳涂料，其由质量份的如下原料组成：
FEVE氟碳树脂30份、改性树脂100份、颜填料1份、助剂20份、固化剂40份。
其中，改性树脂为聚偏氟乙烯，颜填料为锌钡白和大白粉所述助剂为流平剂、消泡剂、润湿分散助剂、光稳定剂、消光剂；所述流平剂为聚二甲基硅氧烷、聚甲基烷基硅氧烷、有机改性聚硅氧烷氟、改性丙烯酸、磷酸酯改性丙烯酸；所述消泡剂为高碳醇脂肪酸酯复合物、聚氧乙烯聚氧丙烯季戊四醇醚、聚氧乙烯聚氧丙醇胺醚、聚氧丙烯甘油醚、聚二甲基硅氧烷中；所述润湿分散助剂为线型烷基酰胺类、枝型多聚羧酸、多聚羧酸与多元胺的低聚物、聚氨酯类、接枝丙烯酸共聚物，所述光稳定剂为Ciba 5060，所述消光剂为ED-30。所述固化剂为甲苯二异氰酸酯、4，4’-二苯基甲烷二异氰酸酯、1，6-己二异氰酸酯等二异氰酸酯、多亚甲基多苯基多异氰酸酯、异氰酸酯三聚化衍生物。
所述FEVE氟碳树脂由重量份如下原料共聚而成：
三氟氯乙烯单体30份、烷基乙烯基醚单体70份、双烯类单体1份、共聚单体A25份、引发剂0.5份、有机溶剂8份。所述烷基乙烯基醚单体为甲基乙烯基醚、乙基乙烯基醚、十二烷基乙烯基醚、十六烷基乙烯基醚、十八烷基乙烯基醚。所述双烯类单体为丁二烯、异戊二烯，所述共聚单体A为丙烯酸、甲基丙烯酸、乙基丙烯酸、甲基丙烯酸甲酯、甲基丙烯酸乙酯，所述引发剂为烷基过氧化物、烷基过氧化氢物、过氧化酯、偶氮二异丁腈、过氧化二酰、过硫酸盐。所述有机溶剂为所述有机溶剂是200号溶剂汽油，乙酸乙酯、丙酮、环己酮，乙醇组成的混合物。
其制备方法，包括如下步骤：
(1)FEVE氟碳树脂的制备：向反应釜中添加三氟氯乙烯、烷基乙烯基醚单体、双烯类单体、共聚单体A、引发剂和有机溶剂，加热升温至753℃，并于该温度下保温反应5h即得到所述FEVE氟碳树脂；
(2)涂料的制备：将步骤(1)制备得到的FEVE氟碳树脂加入反应容器中，再依次按比例加入有机溶剂、改性树脂、颜填料、助剂、固化剂；每加入一种反应原料后，均搅拌均匀再加入下一种反应原料，充分搅拌后，熟化2h即得到氟碳涂层材料。
上述氟碳涂料用于混凝土防护处理的方法，包括如下步骤：采用辊涂装，将熟化后的氟碳涂料在常温干燥的环境下涂装到基材表面，涂膜厚度为0.5mm，在室温下固化表干20h，即可在基材表面形成防护涂层。
实施例3
一种高耐候性氟碳涂料，其由质量份的如下原料组成：
FEVE氟碳树脂67份、改性树脂80份、颜填料15份、助剂10份、有机溶剂10份、固化剂16份；所述改性树脂为聚(甲基)丙烯酸酯类树脂，所述颜填料为氧化铁红和甲苯胺红，所述固化剂为甲苯二异氰酸酯、所述有机溶剂为二甲苯，所述助剂为流平剂、消泡剂、消光剂；所述流平剂为聚二甲基硅氧烷、聚甲基烷基硅氧烷；所述消泡剂为高碳醇脂肪酸酯复合物、聚氧乙烯聚氧丙烯季戊四醇醚，所述消光剂为ED-30。
所述FEVE氟碳树脂由重量份如下原料共聚而成：
三氟氯乙烯单体80份、烷基乙烯基醚单体56份、双烯类单体20份、共聚单体A22份、引发剂8份、有机溶剂6份。所述烷基乙烯基醚单体为乙基乙烯基醚、十二烷基乙烯基醚两种，双烯类单体为丁二烯，共聚单体A为甲基丙烯酸，所述引发剂为偶氮二异丁腈、过氧化二酰、过氧化酯，所述有机溶剂为乙酸戊酯、汽油、环己酮、丁醇。
其制备方法，包括如下步骤：
(1)FEVE氟碳树脂的制备：向反应釜中添加三氟氯乙烯、烷基乙烯基醚单体、双烯类单体、共聚单体A、引发剂和有机溶剂，加热升温至80℃，并于该温度下保温反应4h即得到所述FEVE氟碳树脂；
(2)涂料的制备：将步骤(1)制备得到的FEVE氟碳树脂加入反应容器中，再依次按比例加入有机溶剂、改性树脂、颜填料、助剂、固化剂；每加入一种反应原料后，均搅拌均匀再加入下一种反应原料，充分搅拌后，熟化2h即得到氟碳涂层材料。
上述氟碳涂料用于混凝土防护处理的方法，包括如下步骤：采用辊涂装或刷涂装，将熟化后的氟碳涂料在常温干燥的环境下涂装到基材表面，涂膜厚度为0.4mm，在室温下固化表干22h，即可在基材表面形成防护涂层。
涂料性能测试
1、参照化工行业标准HG/T3792-2014《交联型氟树脂涂料》和国家标准GB/T1771-2007《色漆和清漆耐中性盐雾性能的测定》，检测本发明实施例1～实施例3的氟碳涂料的耐老化性能，结果如下表1。
表1
2、采用日本土木学会标准JSCE-K532-1999涂层对混凝土裂缝追随性试验方法，检测实施例1～实施例3的氟碳涂料涂层对混凝土裂缝追随性，结果如下表2.
表2
| 实施例1 | 实施例2 | 实施例3 | |
| 经过氙灯老化和中性盐雾试验 | 0.98mm | 1.09mm | 0.93mm |
| 氙灯老化试验2500h后 | 0.83mm | 0.93mm | 0.79mm |
| 中性盐雾试验1000h后 | 0.68mm | 0.75mm | 0.64mm |
本发明采用日本工业标准K 5658-1992建筑用氟树脂涂料的方法，测试了涂料的其他性能，发现，涂料的最大铅笔硬度为2H，耐冲击性(落球式)为100cm，镜面光泽度为75，附着性(棋盘格法)实验中，整体无一格脱落，仅在划线边缘和网格交叉部位有少许剥落，且剥落的面积小于5％的划格面积。
上述说明是针对本发明较佳可行实施例的详细说明，但实施例并非用以限定本发明的专利申请范围，凡本发明所提示的技术精神下所完成的同等变化或修饰变更，均应属于本发明所涵盖专利范围。
Claims (10)
1.一种高耐候性氟碳涂料，其特征在于，其由质量份的如下原料组成：
FEVE氟碳树脂30～100份、改性树脂10～100份、颜填料1～20份、助剂1～20份、有机溶剂0～20份、固化剂10～40份；
所述FEVE氟碳树脂由重量份如下原料共聚而成：
三氟氯乙烯单体30～100份、烷基乙烯基醚单体18～70份、双烯类单体1～25份、共聚单体A1～25份、引发剂0.5～10份、有机溶剂3～8份。
2.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述烷基乙烯基醚单体为甲基乙烯基醚、乙基乙烯基醚、十二烷基乙烯基醚、十六烷基乙烯基醚、十八烷基乙烯基醚中的一种或几种。
3.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述共聚单体A为烷基丙烯酸类单体、甲基丙烯酸酯类单体的一种或两种；所述烷基丙烯酸类单体为丙烯酸、甲基丙烯酸、乙基丙烯酸的一种或几种，所述甲基丙烯酸酯类单体为甲基丙烯酸甲酯、甲基丙烯酸乙酯的一种或两种。
4.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述双烯类单体为共轭烯烃类化合物；所述共轭烯烃类化合物为丁二烯、异戊二烯中的一种或两种。
5.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述固化剂为甲苯二异氰酸酯、4，4，-二苯基甲烷二异氰酸酯、1，6-己二异氰酸酯等二异氰酸酯、多亚甲基多苯基多异氰酸酯、异氰酸酯三聚化衍生物中的一种或几种。
6.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述改性树脂为聚偏氟乙烯、聚(甲基)丙烯酸酯类树脂中的一种或两种。
7.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述助剂为流平剂、消泡剂、润湿分散助剂、光稳定剂、消光剂的一种或几种；所述流平剂为聚二甲基硅氧烷、聚甲基烷基硅氧烷、有机改性聚硅氧烷氟、改性丙烯酸、磷酸酯改性丙烯酸的一种或几种；所述消泡剂为高碳醇脂肪酸酯复合物、聚氧乙烯聚氧丙烯季戊四醇醚、聚氧乙烯聚氧丙醇胺醚、聚氧丙烯甘油醚、聚二甲基硅氧烷中的一种或几种；所述润湿分散助剂为线型烷基酰胺类、枝型多聚羧酸、多聚羧酸与多元胺的低聚物、聚氨酯类、接枝丙烯酸共聚物的一种或几种。
8.根据权利要求1所述的一种高耐候性氟碳涂料，其特征在于，所述引发剂为烷基过氧化物、烷基过氧化氢物、过氧化酯、偶氮二异丁腈、过氧化二酰、过硫酸盐中的一种或几种。
9.一种权利要求1-8任一所述的高耐候性氟碳涂料的制备方法，其特征在于，其包括如下步骤：
(1)FEVE氟碳树脂的制备：向反应釜中添加三氟氯乙烯、烷基乙烯基醚单体、双烯类单体、(甲基)丙烯酸酯、(甲基)丙烯酸等共聚单体A、引发剂和有机溶剂，加热升温至75～83℃，并于该温度下保温反应3～5h即得到所述FEVE氟碳树脂；
(2)涂料的制备：将步骤(1)制备得到的FEVE氟碳树脂加入反应容器中，再依次按比例加入有机溶剂、改性树脂、颜填料、助剂、固化剂；每加入一种反应原料后，均搅拌均匀再加入下一种反应原料，充分搅拌后，熟化2～3h即得到氟碳涂层材料。
10.一种权利要求1-9任一所述氟碳涂料用于混凝土防护处理的方法，其特征在于，其包括如下步骤：采用辊涂装或刷涂装，将熟化后的氟碳涂料在常温干燥的环境下涂装到基材表面，涂膜厚度为0.3～0.5mm，在室温下固化表干20～25h，即可在基材表面形成防护涂层。
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