CN101747820A - Solvent-free epoxy rust-proof paint - Google Patents

Solvent-free epoxy rust-proof paint Download PDF

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CN101747820A
CN101747820A CN 200810182821 CN200810182821A CN101747820A CN 101747820 A CN101747820 A CN 101747820A CN 200810182821 CN200810182821 CN 200810182821 CN 200810182821 A CN200810182821 A CN 200810182821A CN 101747820 A CN101747820 A CN 101747820A
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paint
free
anti
epoxy
solvent
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CN 200810182821
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CN101747820B (en )
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张光铭
徐建平
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上海海悦涂料有限公司
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Abstract

The invention discloses a solvent-free epoxy rust-proof paint, in particular to an epoxy paint which is free from comprising organic solvent and harmful pigment and has environmental-protection property and excellent anti-corrosion property, which can adopts different coating ways of the manual brush coating, and comprising a constitute A and a constitute B, wherein the constitute A consists of low molecular weight epoxy resin, active diluent, pigment, dispersing agent, anti-settling agent and flatting agent and is faint yellow; the constitute B consists of cashew nut shell modified phenolic resin, modified alicyclic amine composite curing agent and pigment and is reddish brown; the weight ratio of the constitutes A and B is 5 : 1. By utilizing the paint, the anti-corrosion performance of the paint is well improved, so the paint is free from bubbling, rusting and dropping after being immersed in the weak acid, alkaline, oil and salt water for a long time; the paint is applicable to different construction methods, the coating of the paint is free from being restricted by seasons, a great amount of coating expense can be saved, and the service life can be prolonged; and the solvent-free epoxy rust-proof paint can realize excellent anti-corrosion effect, and can be widely suitable for being used as the inner surface anti-corrosion paint for the steel structures, pipelines, storage tanks, tank cars and equipment in the industries of chemical industry, machinery, ship, metallurgy and the like.

Description

无溶剂环氧防锈涂料 Solvent-free epoxy rust preventive paint

技术领域 FIELD

[0001] 本发明涉及一种防腐涂料,尤其涉及一种适用于钢结构内表面,具有优异防腐蚀 [0001] The present invention relates to an anti-corrosion coatings, particularly to a steel suitable for the inner surface has excellent corrosion

性能和不含有机溶剂的双组分无溶剂环氧防锈涂料。 Performance and bicomponent solvent-free organic solvent-free epoxy anticorrosive paint. 背景技术 Background technique

[0002] 在钢结构防腐工程中,涂料一直是其最主要、最经济有效的防腐蚀方法。 [0002] In the steel corrosion engineering, coating has been its most important and most cost-effective method of corrosion protection. 以环氧树脂作为主要成膜物质的环氧类涂料以其优异的防腐蚀性能一直广泛应用于钢结构防腐蚀工程的内表面防腐蚀。 An epoxy resin as an epoxy-based film forming materials of the coating its superior corrosion resistance has been widely used in anti-corrosion of the inner surface of the steel anticorrosion. 然而,大多数环氧树脂是溶于溶剂中制造的,涂料的固体份含量一般在50%〜85%之间,大量溶剂的挥发不仅造成对环境和涂装、使用人员的伤害,而且也对漆膜的性能造成影响。 However, most epoxy resin dissolved in a solvent is produced, solid content of the coating is typically between 50% ~ 85%, a large amount of volatile solvents not only cause damage to the environment and the coating, use of personnel, but also to properties of the film's impact. 如溶剂挥发使涂层厚度降低,涂膜表面存在气孔,使腐蚀介质容易渗入等。 The solvent is evaporated to reduce the thickness of the coating, the coating film surface blowhole, and the like that the corrosive medium easily penetrate. 近年来,无溶剂环氧涂料以优异的防腐蚀性能和不含有机溶剂的环保性能得到人们的认识,但一般无溶剂纯环氧类涂料因施工时存在黏度增加太快,使用期短,施工性能不理想,不能手工刷涂和滚涂等缺陷,其大面积推广应用受到了限制。 In recent years, solvent-free epoxy coating with excellent corrosion resistance and environmental properties of the resulting organic solvent-free awareness, but generally no solvent is present pure epoxy paint viscosity increases too fast because of the construction, the use of short, construction performance is not satisfactory and can not manually brush and roller and other defects, its large scale application has been limited.

[0003] 本发明选用低黏度、低分子量的双酚A型环氧树脂,能制备无溶剂涂料,并利于增加颜、填料的加入量,降低涂料的整体黏度,减少固化收縮,固化后的漆膜交联密度大,涂层综合性能好,价格适中。 [0003] The present invention selects a low viscosity, low molecular weight bisphenol A epoxy resin, solvent-free coating can be prepared, and help to increase the color, the amount of filler added, to reduce the overall viscosity of the coating, reduce the curing shrinkage of the cured paint film crosslinking density, good overall performance coatings, affordable. 环氧固化剂的选择是本专利的特点之一,要求该固化剂与各材料的互混性好,不易挥发,固化后漆膜实际无毒,在较高温度下不至反应过快而使涂料适用期过短,满足施工要求;在较底温度((TC以下,一般-5tO以上仍具有活性,并正常固化,因此, Select the epoxy curing agent is one of the characteristics of this patent, the required miscibility with the curing agent material, and not volatile, nontoxic paint film after curing, at higher temperatures the reaction is not excessive to the paint pot life is too short to meet the construction requirements; temperature at the bottom than at ((hereinafter the TC, or more generally -5tO still active, and cure properly, and therefore,

选用了可低温固化的腰果壳改性酚醛胺和低黏度的改性脂环胺进行复合,混合比例i : i Selected low temperature curable amine modified phenolic cashew nut shell liquid and low viscosity modified cycloaliphatic amine compound, the mixing ratio i: i

而制成复合固化剂。 And a composite curing agent. 所选用的颜填料要求不含铅、汞等重金属颜料,满足无毒行业的要求,在漆膜中具有很好的封闭性和防腐蚀性能,使涂料具有一定的流变性,降低涂料的成本,因此,经过多次正交试验,本专利选用复合磷酸锌、三聚磷酸铝和氧化铁红为主要防锈颜料,填料选用硫酸钡。 The choice of pigments and fillers without containing a lead, mercury and other heavy metal pigments, non-toxic to meet the requirements of the industry, has good corrosion resistance and closed in the paint film, the paint has a certain rheology, reduce the cost of paint, Thus, after several orthogonal experiment, the choice of this patent the composite zinc phosphate, aluminum triphosphate anti-rust and red iron oxide as the main pigment, a filler selected barium sulfate. 在活性稀释剂的复配、助剂的选择、颜基比的确定上,也具有创新之处。 In the compound, selected additives, reactive diluents determined pigment to binder ratio, also innovations. 其机械物理性能和各项综合防腐蚀、耐老化指标都大大高于其它无溶剂配套涂料的各项性能指标,而本涂料具有的可手工刷涂、可低温固化、无毒环保具有独特性。 Its mechanical and physical properties and the comprehensive corrosion, aging indicators are much higher than the performance of other solvent-free paint matching, and this may have a manual brush coating, low-temperature curable, non-toxic environmental unique.

发明内容 SUMMARY

[0004] 本发明要解决的技术问题在于提供一种高性能、双组分环氧类无溶剂防腐蚀涂料,用以解决钢材内表面涂装的防腐蚀难题,且涂料具有无有机溶剂和无有毒颜料,适合各种施工方法,涂装不受季节限制等特点,本发明还提供了所述防腐涂料的制备方法。 [0004] The present invention is to solve the technical problem is to provide a high performance, two-component solvent-free epoxy anticorrosive paint, to solve the problem of corrosion of the steel surface coating, and a coating having no free of organic solvents and toxic pigments, for a variety of construction methods, coating characteristics are not season, the present invention also provides a method of preparing the anti-corrosion coatings. [0005] 本发明的目的是这样实现的: [0005] The object of the present invention is implemented as follows:

[0006] —、双组分无溶剂环氧防腐蚀涂料甲组分:依次加入环氧树脂、活性稀释剂、分散剂、颜、填料,进行搅拌、高速分散成漆浆后,砂磨机研磨至60iim;后缓慢加入防沉剂、流平剂进行混合分散,测试比重、黏度、细度后过滤包装得到甲组分;将复合固化剂和颜填料一起调配均匀得到乙组分。 [0006] - the two-component solvent-free epoxy anticorrosive paint Group A: an epoxy resin were sequentially added, reactive diluents, dispersing agents, pigments, fillers, stirring, high speed dispersed into the millbase, a sand mill to 60iim; added slowly anti-settling agents, leveling agents are mixed and dispersed, the proportion of the test, the viscosity, the fineness of filtration to give Group a packaging; composite curing agent and formulated with fillers uniformly obtain B points.

[0007] 其由甲组分和乙组分按照5 : 1重量比组合而成,其特征是:按重量比的配方为: [0007] division according to which the Group A and Group B 5: 1 weight ratio combination, wherein: a weight ratio of formula:

3[0010] (2)活性稀释剂:10〜15 3 [0010] (2) a reactive diluent: 10 ~ 15

[0011] (3)分散剂:甲氧基酯酸丙酯溶液BYK 163 0. 6〜1. 5 [0011] (3) Dispersant: methoxy propyl acetate acid solution BYK 163 0. 6~1 5

[0012] (4)无毒颜、填料为:磷酸锌10〜15,三聚磷酸铝3〜8,硫酸钡4〜10 [0012] (4) non-toxic pigments, fillers: 10 ~ 15 of zinc phosphate, aluminum tripolyphosphate 3~8, 4~10 barium sulfate

[0013] (5)流平剂:Qiba 3777 0. 6〜1. 5 [0013] (5) leveling agent:. Qiba 3777 0. 6~1 5

[0014] (6)防沉剂:有机膨润土0. 2〜0. 5 ; [0014] (6) anti-settling agent: organic bentonite 0.5 2~0 5;.

[0015] 乙组分: [0015] Part B:

[0016] 腰果壳改性酚醛胺:30〜40 [0016] Phenolic cashew nut shell liquid modified amine: 30 to 40

[0017] 改性脂环胺:30〜40 [0017] modified cycloaliphatic amine: 30 to 40

[0018] 颜、填料为:氧化铁红5〜10,硫酸钡2〜4。 [0018] The pigment, filler: 5 to 10 red iron oxide, barium sulfate ~ 4.

[0019] 下面通过实例对本发明进行详细的说明: [0019] The following detailed description of the present invention by way of example:

[0020] 本发明的一个实施例为"H955无溶剂环氧涂料",按重量比的配方为: [0020] An embodiment of the present invention is "H955 solvent-free epoxy coating," Formulation ratio by weight of:

[0021] 甲组分包含以下成分:按重量比的配方为: [0021] Group A contains the following ingredients: Formulation ratio by weight of:

[0022] (1)低分子量环氧树脂D331 :35 [0022] (1) low molecular weight epoxy resins D331: 35

[0023] (2)活性稀释剂:丁基縮水甘油醚10,苯基縮水甘油醚5 [0023] (2) a reactive diluent: 10 butyl glycidyl ether, phenyl glycidyl ether 5

[0024] (3)分散剂:甲氧基酯酸丙酯溶液BYK 163 0. 6 [0024] (3) Dispersant: methoxy propyl acetate acid solution BYK 163 0. 6

[0025] (4)无毒颜、填料为:磷酸锌12,三聚磷酸铝4, [0025] (4) non-toxic pigments, fillers: 12 zinc phosphate, aluminum tripolyphosphate 4,

[0026] 硫酸钡6 [0026] Barium sulfate 6

[0027] (5)流平剂:Qiba 3777 0. 8 [0027] (5) Leveling agent: Qiba 3777 0. 8

[0028] (6)防沉剂:有机膨润土0. 2 ; [0028] (6) anti-settling agent: organic bentonite 0.2;

[0029] 乙组分: [0029] Part B:

[0030] 腰果壳改性酚醛胺Cardolite NX2003 :35 [0030] Amine modified phenolic cashew nut shell Cardolite NX2003: 35

[0031] 改性脂环胺(改性的异佛尔酮二胺IPDA) :35 [0031] modified cycloaliphatic amine (isophoronediamine-modified IPDA): 35

[0032] 颜、填料为:氧化铁红8 ,硫酸钡2 。 [0032] The pigment, filler: 8 red iron oxide, barium sulfate 2.

[0033] 该产品双组分,作为防腐底漆使用。 [0033] The two-component product, used as anticorrosive primer. 其性能特点为: Its performance characteristics are:

[0034] 1.该涂料具有突出的耐腐蚀性能,可耐弱酸、碱、油水和有机溶剂。 [0034] 1. The coating has outstanding corrosion resistance, be resistant to weak acid, base, water and an organic solvent.

[0035] 2.涂料中不含有机溶剂,使用安全方便。 [0035] 2. The coating does not contain organic solvents, safe and convenient to use.

[0036] 3.不含有毒颜料,有利于环境安全。 [0036] 3. The non-toxic paint, the environmentally safe.

[0037] 4. —道成膜厚,一般只需涂装1-2道即可完成施工,涂装不受季节限制,在低温条件下(-5t:以上)均可正常固化。 [0037] 4. - track to a thickness of, usually only 1-2 channels to complete the construction of the coating, the coating not season, at a low temperature: normally can cure (-5t above).

[0038] 5.具有极强的附着力和优良的机械物理性能,柔韧性高好、抗冲击强度高,耐磨性能独特。 [0038] The extremely excellent adhesion and mechanical properties, high flexibility, high impact strength, wear resistance and unique.

[0039] 6.可采用手工刷涂和滚涂的方式施工,也可采用高压无气喷涂。 Construction [0039] 6. The brush and roller can be manually manner, airless spray can also be used. "H955无溶剂环 "H955 solvent-free ring

氧涂料"的主要技术指标 Oxygen paint "the main technical indicators

[0040] [0040]

检测项目 技术指标 检验数据 Test items Specifications test data

颜色与外观 淡黄色 符合标准<table>table see original document page 5</column></row> <table> Appearance light yellow color with standard <table> table see original document page 5 </ column> </ row> <table>

Claims (6)

  1. 一种无溶剂环氧防锈涂料,其特征是:甲组份由低分子量环氧树脂、活性稀释剂、颜填料、分散剂、防沉剂、流平剂组成,淡黄色,乙组份由腰果壳改性酚醛胺和改性脂环胺复合固化剂、颜填料组成,红棕色;该类涂料的使用,极好地改善了涂料的防腐蚀性能,使涂膜长期浸泡在酸、碱、油、盐水介质时,不起泡、不生锈、不脱落;因不含有机溶剂,使用安全方便,具有环保特性,适合各种施工方法,涂装不受季节限制,可节约大量涂装经费,延长使用寿命。 A solvent free epoxy anticorrosive coating, characterized in that: Component A low molecular weight epoxy resin, reactive diluent, pigment, dispersant, anti-settling agents, leveling agents composed of a light yellow, Part B from the modified phenolic cashew nut shell liquid modified cycloaliphatic amines and amine complex curing agents, fillers, red-brown; the use of such coatings, the coating excellently improved corrosion resistance, the coating film long soak in the acid, alkali, when oil, saline medium, no foaming, no rust, no loss; because no organic solvent, safe and convenient, environmentally friendly characteristics, for a variety of construction methods, not season coating, the coating can save a lot of funds ,Extended service life.
  2. 2. 根据权利要求1所述的无溶剂环氧防锈涂料,其特征是,其由甲组分和乙组分按照5 : 1重量比组合而成,其中:甲组分包含以下成分:按重量比的配方为:(1) 低分子量环氧树脂D331 :30〜40(2) 活性稀释剂:10〜15(3) 分散剂:甲氧基酯酸丙酯溶液BYK 163 0. 6〜1. 5(4) 无毒颜、填料为:磷酸锌10〜15,三聚磷酸铝3〜8,硫酸钡4〜10(5) 流平剂:Qiba 3777 0. 6〜1. 5(6) 防沉剂:有机膨润土0. 2〜0. 5 ;乙组分:腰果壳改性酚醛胺:30〜40改性脂环胺:30〜40颜、填料为:氧化铁红5〜IO,硫酸钡2〜4。 The solvent-free epoxy rust preventive paint according to claim 1, characterized in that 5 points according to the Group A and Group B: 1 weight ratio combination, wherein: Group A consists of the following sub-components: press formulation ratio by weight of: (1) low molecular weight epoxy resins D331: 30~40 (2) a reactive diluent: 10 ~ 15 (3) dispersant: methoxy propyl acetate acid solution BYK 163 0. 6~1 . 5 (4) non-toxic pigments, fillers: 10 ~ 15 of zinc phosphate, aluminum tripolyphosphate 3~8, 4~10 barium sulfate (5) leveling agent:. Qiba 3777 0. 6~1 5 (6) . anti-settling agent: organic bentonite 0.5 2~0 5; Part B: amine-modified phenolic cashew nut shell: modified cycloaliphatic amine 30 to 40: 30 to 40 pigments, fillers as: red iron oxide 5~IO, sulfuric acid barium 2 ~ 4.
  3. 3. 根据权利要求1或2所述的无溶剂环氧防锈涂料,其特征是,活性稀释剂为:丁基縮水甘油醚5〜10,苯基縮水甘油醚3〜5。 The solvent-free epoxy anticorrosive paint of claim 1 or claim 2, characterized in that the reactive diluent is: 5 to 10 butyl glycidyl ether, phenyl glycidyl ether ~ 5.
  4. 4. 根据权利要求1或2所述的无溶剂环氧防锈涂料,其特征是,腰果壳改性酚醛胺和改性脂环胺复合固化剂,腰果壳改性酚醛胺为Cardolite NX2003,改性脂环胺为改性的异佛尔酮二胺,混合比例i : i。 The solvent-free epoxy anticorrosive paint of claim 1 or claim 2, characterized in that the modified phenolic cashew nut shell liquid modified cycloaliphatic amines and amine complex curing agents, amine modified phenolic cashew nut shell Cardolite NX2003, change alicyclic amine is isophoronediamine, modified mixing ratio i: i.
  5. 5. 根据权利要求1-3中任一项所述的无溶剂环氧防锈涂料的制备方法,其特征是,包括制备甲组分和乙组分的步骤:依次加入环氧树脂、活性稀释剂、分散剂、颜、填料,进行搅拌、高速分散成漆浆后,砂磨机研磨至60 ii m ;后缓慢加入防沉剂、流平剂进行混合分散,测试比重、黏度、细度后过滤包装得到甲组分;将复合固化剂和颜填料一起调配均匀得到乙组分。 An epoxy reactive diluent were added,: 1-3 The preparation of solvent-free epoxy rust preventive paint according to any one of the preceding claims, characterized by comprising the step of preparing the Group A and Part B agents, dispersing agents, pigments, fillers, stirring, high speed dispersed into the millbase, a sand mill to 60 ii m; added slowly anti-settling agents, leveling agents are mixed and dispersed, test gravity, viscosity, fineness Group a package obtained was filtered; the compound curing agent and formulated with fillers uniformly obtain B points.
  6. 6. 根据权利要求1所述的无溶剂环氧防锈涂料的涂装方法,其特征是,该类涂料涂装时一般涂装2〜3道,每道涂膜厚度可达到100〜200 ii m,可采用手工和无气喷涂等涂装方法,从而形成一完整的涂装工程体系。 The solvent-free epoxy anticorrosive paint coating according to claim 1, characterized in that, when such coating is generally 2 to 3 Coating track, and each film thickness can be achieved 100~200 ii m, and can be manual airless spray coating method and the like, to thereby form a complete system of painting works.
CN 200810182821 2008-12-10 2008-12-10 Solvent-free epoxy rust-proof paint CN101747820B (en)

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CN101857765A (en) * 2010-06-25 2010-10-13 广东嘉宝莉化工集团有限公司;华南理工大学 Epoxy resin coating and preparation method thereof
CN102321423A (en) * 2011-10-27 2012-01-18 中国海洋石油总公司 Heavy-duty anti-corrosion phenolic epoxy coating
CN102382552A (en) * 2011-10-12 2012-03-21 上海海隆赛能新材料有限公司 Low temperature cured solvent-free epoxy anticorrosion paint and its preparation method
CN102533052A (en) * 2011-12-28 2012-07-04 江苏大中制漆有限公司 Solvent-free type epoxy zinc rich primer and preparation method thereof
CN102786862A (en) * 2012-07-12 2012-11-21 中国石油天然气集团公司 Multifunctional epoxy primer for offshore platforms and manufacturing method thereof
CN103232786A (en) * 2013-04-02 2013-08-07 华南理工大学 Solvent-free nanometer epoxy anticorrosive paint and preparation method thereof
CN103319980A (en) * 2012-03-22 2013-09-25 中国石油天然气集团公司 High wear resistance anticorrosion coating material of crossing pipeline
WO2013159279A1 (en) * 2012-04-24 2013-10-31 Dow Global Technologies Llc Epoxy resin composition for marine maintenance and repair coatings with improved overcoat ability
CN103525244A (en) * 2013-09-28 2014-01-22 芜湖中集瑞江汽车有限公司 Antirust paint and preparation method thereof
CN103666201A (en) * 2013-12-13 2014-03-26 天津科瑞达涂料化工有限公司 Long-acting acid-base resistant solvent-free anticorrosive paint as well as preparation method and application thereof
CN104017458A (en) * 2014-03-31 2014-09-03 中国船舶重工集团公司第七二五研究所 Solvent-free epoxy antirust coating capable of coating with rust and preparation method thereof
CN104693966A (en) * 2015-02-09 2015-06-10 中国船舶重工集团公司第七二五研究所 Preparation method of solvent-free anticorrosive paint for underwater construction
CN104974641A (en) * 2015-07-24 2015-10-14 上海海悦涂料有限公司 Water-based epoxy low-temperature-curing finish paint and preparation method thereof
CN106046325A (en) * 2016-06-15 2016-10-26 石家庄市金达特种涂料有限公司 Water-based epoxy curing agent and water-based epoxy frame paint
CN106189688A (en) * 2016-07-17 2016-12-07 张学健 Epoxy resin antirust paint for vehicles
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