WO2015100582A1 - 水性无机富锌底漆及其制备方法 - Google Patents
水性无机富锌底漆及其制备方法 Download PDFInfo
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- WO2015100582A1 WO2015100582A1 PCT/CN2013/091028 CN2013091028W WO2015100582A1 WO 2015100582 A1 WO2015100582 A1 WO 2015100582A1 CN 2013091028 W CN2013091028 W CN 2013091028W WO 2015100582 A1 WO2015100582 A1 WO 2015100582A1
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- Prior art keywords
- rich primer
- inorganic zinc
- water
- zinc
- preparation
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000011701 zinc Substances 0.000 title claims abstract description 32
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000008367 deionised water Substances 0.000 claims abstract description 14
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000004111 Potassium silicate Substances 0.000 claims abstract description 11
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052913 potassium silicate Inorganic materials 0.000 claims abstract description 11
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 11
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims 3
- 239000004615 ingredient Substances 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 1
- 239000006210 lotion Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000003973 paint Substances 0.000 abstract description 4
- 238000004210 cathodic protection Methods 0.000 abstract description 3
- 238000002161 passivation Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- -1 auxiliaries Chemical compound 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- 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
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/48—Stabilisers against degradation by oxygen, light or heat
Definitions
- This invention relates to the field of coatings in the chemical industry, and more particularly to an aqueous inorganic zinc-rich primer and a process for its preparation. Background technique
- the zinc-rich primer is a type of anticorrosive coating product with zinc powder having a sacrificial anode function as a main anti-rust pigment, and has a cathodic protection effect on the steel substrate.
- zinc-rich primers There are three main types of zinc-rich primers currently in use: an epoxy-rich zinc-rich primer, an alcohol-soluble inorganic zinc-rich primer, and an aqueous inorganic zinc-rich primer.
- the aqueous inorganic zinc-rich primer is a primer suitable for coating on the base surface of a steel structure.
- the components of the standard formulation of the aqueous zinc-rich primer include potassium silicate, silica sol, deionized water, auxiliary agent and zinc powder, which have low viscosity, poor adhesion to paint, and easy to fall off from the surface of the steel structure.
- the rust prevention period is shorter.
- the technical problem mainly solved by the present invention is to provide an aqueous inorganic zinc-rich primer and a preparation method thereof, which can improve adhesion to paint and increase rust prevention time.
- a technical solution adopted by the present invention is: Providing an aqueous inorganic zinc-rich primer comprising: potassium silicate, silica sol, deionized water, auxiliary agent and zinc powder, the aqueous inorganic zinc-rich zinc
- the composition of the primer also includes a flexible emulsion.
- the components of the components are: potassium silicate 13, silica sol 4, deionized water 6, auxiliaries 1, zinc powder 70, and flexible emulsion 6.
- another technical solution adopted by the present invention is: Providing a preparation method of an aqueous inorganic zinc-rich primer, the preparation method comprising:
- step (4) Packaging and storage: The products obtained in step (4) are packaged and put into storage after passing the inspection.
- the speed of the disperser is 700 r/min.
- the viscosity of the mixed solution is adjusted to 200 s.
- the invention has the beneficial effects that: the preparation method of the aqueous inorganic zinc-rich primer of the invention is simple and easy to realize, and the prepared aqueous inorganic zinc-rich primer comprises a flexible emulsion, which improves the adhesion to the paint, and the surface of the steel It has three anti-rust functions: cathodic protection, passivation film and self-sealing hole.
- Embodiments of the invention include: an aqueous inorganic zinc-rich primer comprising: potassium silicate, silica sol, deionized water, auxiliaries, and zinc powder, the aqueous inorganic zinc-rich primer further comprising a flexible emulsion,
- the flexible emulsion is an acrylic flexible emulsion (XL-800D, Zhejiang Xinli Chemical Co., Ltd.).
- the components by weight of the components are: potassium silicate 13, silica sol 4, deionized water 6, auxiliary 1, Zinc powder 70, flexible emulsion 6.
- the preparation method of the aqueous zinc-rich primer comprises the following steps:
- Pre-mixing potassium silicate, silica sol, auxiliary agent, zinc powder and appropriate amount of deionized water are added into the dispersing machine, and dispersed and mixed at 700 r/min for 3 hours to obtain a pre-mixed liquid;
- step (4) Packaging and storage: The products obtained in step (4) are packaged and put into storage after passing the inspection.
- the main technical indexes of the aqueous inorganic zinc-rich primer prepared by the above method are as follows: drying time: 0.5 hours dry, 5 hours of solid drying; 70% nonvolatile matter; 5 hours of application period; construction property: construction barrier-free; adhesion level 2 .
- drying time 0.5 hours dry, 5 hours of solid drying; 70% nonvolatile matter; 5 hours of application period; construction property: construction barrier-free; adhesion level 2 .
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
一种水性无机富锌底漆及其制备方法。该底漆各成分的重量份为硅酸钾13、硅溶胶4、去离子水6、助剂1、锌粉70、柔性乳液6;制备方法步骤包括称料、预混合、调粘度、过滤和包装入库。具有柔性乳液的水性无机富锌底漆提高了对油漆的附着力,在钢铁表面具有阴极保护、形成钝化膜及自封孔作用。
Description
水性无机富锌底漆及其制备 技术领域
本发明涉及化学工业中的涂料领域, 特别是涉及一种水性无机富锌底漆及 其制备方法。 背景技术
富锌底漆是以具有牺牲阳极作用的锌粉作为主要防锈颜料的一类防腐涂料 产品, 对钢材基底有阴极保护作用。 目前常用的富锌底漆主要有三个类型: 环 氧富锌底漆、 醇溶性无机富锌底漆和水性无机富锌底漆。 水性无机富锌底漆是适用于涂装在钢结构基面上的底漆。 现有技术中, 水 性富锌底漆标准配方的成分包括硅酸钾、 硅溶胶、 去离子水、 助剂和锌粉, 其 粘度低, 对油漆的附着力较差, 容易从钢结构表面脱落, 防锈年限较短。 发明内容
本发明主要解决的技术问题是提供一种水性无机富锌底漆及其制备方法, 能够提高对油漆的附着力, 增加防锈时间。 为解决上述技术问题, 本发明采用的一个技术方案是: 提供一种水性无机 富锌底漆, 成分包括: 硅酸钾、 硅溶胶、 去离子水、 助剂和锌粉, 该水性无机 富锌底漆的成分还包括柔性乳液。 在本发明一个较佳实施例中, 所述各成分的重量份组成为: 硅酸钾 13、 硅 溶胶 4、 去离子水 6、 助剂 1、 锌粉 70、 柔性乳液 6。 为解决上述技术问题, 本发明采用的另一个技术方案是: 提供一种水性无 机富锌底漆的制备方法, 该制备方法步骤包括:
( 1 ) 按配方称取各原料备用;
(2 ) 预混合: 将硅酸钾、 硅溶胶、 助剂、 锌粉和适量去离子水加入分散机 内, 以一定转速分散混合 3h, 得到预混合液;
( 3 ) 调粘度: 保持转速不变, 按工艺配方向步骤 (2 ) 中的预混合液中加 入柔性乳液和余下的去离子水, 调节混合液的粘度值;
(4)过滤: 将所述步骤(3 )中已调节粘度值的混合液经 60〜80目筛过滤, 得到水性无机富锌底漆;
(5 ) 包装入库: 将步骤 (4) 中得到的产品经检验合格后包装入库。 在本发明一个较佳实施例中, 所述步骤 (2 ) 和步骤 (3 ) 中, 分散机的转 速为 700r/min。 在本发明一个较佳实施例中,所述步骤(3)中,调节混合液的粘度值为 200S。 本发明的有益效果是: 本发明一种水性无机富锌底漆的制备方法简便, 容易实 现, 所制备的水性无机富锌底漆含柔性乳液, 提高了对油漆的附着力, 在钢铁 表面兼有阴极保护、 形成钝化膜及自封孔作用三种防锈功能, 正确施工可保证 25年的防锈性能。 具体实 Ifc^式 下面对本发明的较佳实施例进行详细阐述, 以使本发明的优点和特征能更 易于被本领域技术人员理解, 从而对本发明的保护范围做出更为清楚明确的界 定。 本发明实施例包括: 一种水性无机富锌底漆, 成分包括: 硅酸钾、 硅溶胶、 去离子水、 助剂和 锌粉, 该水性无机富锌底漆的成分还包括柔性乳液, 所述柔性乳液为丙烯酸柔 性乳液 (XL-800D, 浙江新力化工有限公司)。 所述各成分的重量份组成为: 硅酸钾 13、 硅溶胶 4、 去离子水 6、 助剂 1、
锌粉 70、 柔性乳液 6。 该水性富锌底漆的制备方法包括如下步骤:
(1) 按配方称取各原料备用;
(2) 预混合: 将硅酸钾、 硅溶胶、 助剂、 锌粉和适量去离子水加入分散机 内, 以 700r/min的转速分散混合 3h, 得到预混合液;
(3) 调粘度: 保持转速不变, 按工艺配方向步骤 (2) 中的预混合液中加 入柔性乳液和余下的去离子水, 调节混合液的粘度值为 200S;
(4)过滤: 将所述步骤(3)中已调节粘度值的混合液经 60〜80目筛过滤, 得到水性无机富锌底漆;
(5) 包装入库: 将步骤 (4) 中得到的产品经检验合格后包装入库。
上述方法制备的水性无机富锌底漆的主要技术指标为: 干燥时间: 表干 0.5小时、 实干 5小时; 不挥发份 70%; 适用期 5小 时; 施工性: 施工无障碍; 附着力 2级。 以上所述仅为本发明的实施例, 并非因此限制本发明的专利范围, 凡是利 用本发明说明书内容所作的等效结构或等效流程变换, 或直接或间接运用在其 他相关的技术领域, 均同理包括在本发明的专利保护范围内。
Claims
1、 一种水性无机富锌底漆, 成分包括: 硅酸钾、 硅溶胶、 去离子水、 助剂 和锌粉, 其特征在于, 该水性无机富锌底漆的成分还包括柔性乳液。
2、 根据权利要求 1所述的水性无机富锌底漆, 其特征在于, 所述各成分的 重量份组成为: 硅酸钾 13、 硅溶胶 4、 去离子水 6、 助剂 1、 锌粉 70、 柔性乳液
6。
3、一种权利要求 1或 2所述的水性无机富锌底漆的制备方法,其特征在于, 该制备方法步骤包括:
( 1 ) 按配方称取各原料备用;
(2 ) 预混合: 将硅酸钾、 硅溶胶、 助剂、 锌粉和适量去离子水加入分散机 内, 以一定转速分散混合 3h, 得到预混合液;
( 3 ) 调粘度: 保持转速不变, 按工艺配方向步骤 (2 ) 中的预混合液中加 入柔性乳液和余下的去离子水, 调节混合液的粘度值;
(4)过滤: 将所述步骤(3 )中已调节粘度值的混合液经 60〜80目筛过滤, 得到水性无机富锌底漆;
(5 ) 包装入库: 将步骤 (4) 中得到的产品经检验合格后包装入库。
4、 根据权利要求 3所述的水性无机富锌底漆的制备方法, 其特征在于, 所 述步骤 (2 ) 和步骤 (3) 中, 分散机的转速为 700r/min。
5、 根据权利要求 3所述的水性无机富锌底漆的制备方法, 其特征在于, 所 述步骤 (3) 中, 调节混合液的粘度值为 200S。
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CN106009806A (zh) * | 2016-05-19 | 2016-10-12 | 中国人民解放军武汉军械士官学校 | 复合陶瓷涂料及其制备方法和应用 |
CN115558322A (zh) * | 2022-09-26 | 2023-01-03 | 中远关西涂料(上海)有限公司 | 一种快干水性无机富锌车间底漆及其制备方法 |
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CN115558322A (zh) * | 2022-09-26 | 2023-01-03 | 中远关西涂料(上海)有限公司 | 一种快干水性无机富锌车间底漆及其制备方法 |
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