WO2017049699A1 - 一种水性环保型除锈防锈覆膜液及其生产工艺 - Google Patents

一种水性环保型除锈防锈覆膜液及其生产工艺 Download PDF

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WO2017049699A1
WO2017049699A1 PCT/CN2015/092626 CN2015092626W WO2017049699A1 WO 2017049699 A1 WO2017049699 A1 WO 2017049699A1 CN 2015092626 W CN2015092626 W CN 2015092626W WO 2017049699 A1 WO2017049699 A1 WO 2017049699A1
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rust
kettle
water
coating liquid
friendly
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PCT/CN2015/092626
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English (en)
French (fr)
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葛亮
朱鹏
林哲国
陆崴
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南通瑞普埃尔生物工程有限公司
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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
    • C09D5/08—Anti-corrosive paints
    • 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
    • C09D127/04—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 chlorine atoms
    • C09D127/08—Homopolymers or copolymers of vinylidene chloride
    • 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

Definitions

  • the invention relates to an aqueous environment-friendly rust-proof rust-proof coating liquid and a production process thereof, which can be applied to the maintenance and maintenance of steel structures such as steel structures, cast iron pipe fittings, chemical equipment and bridges.
  • the waterborne rust and rust-removing anticorrosive coatings used on the market generally have the disadvantages of poor conversion effect, high price, short shelf life, and short salt spray resistance time.
  • the film-forming material used in the waterborne rust and rust-removing anticorrosive coating on the market is generally a copolymer of vinylidene chloride and vinyl chloride, which does have Good barrier property, acid and alkali resistance, but its adhesion to steel is poor, and the hardness of the coating after film formation is high but the toughness is too poor, and it is easy to peel off the powder from the steel surface.
  • the present invention provides an environmentally-friendly rust-proof rust-proof coating liquid which is affordable, safe and environmentally friendly, has strong barrier properties, long salt spray resistance, and strong adhesion to metals and Production Process.
  • An water-based environment-friendly rust-proof rust-proof coating liquid is composed of the following components in parts by weight:
  • the rust rust preventive agent uses tannic acid.
  • the film-forming auxiliary agent employs one or more of alcohol ester dodecahydrate, dipropylene glycol methyl ether, and dipropylene glycol butyl ether.
  • the antifreeze agent uses one or more of ethanol, ethylene glycol, and propylene glycol.
  • the film-forming material is a vinyl multicomponent copolymerized vinylidene chloride emulsion having a solid content of 40%.
  • the antifoaming agent is Hemings DF1181, BASF 2410, Rhodia DN-642.
  • the substrate wetting agent is one or more of Hemings W77, W469.
  • a water-based environmentally-friendly rust-proof and rust-proof coating liquid production process comprising the following steps: in a jacketed Deionized water is put into the enamel kettle or stainless steel kettle and stirred. The stirring speed is suitable for the bucket to drive the materials in the kettle together. The antifreeze is stirred together with the rust and rust inhibitor and then put into the kettle. The hot water of 80 ° C is introduced into the jacket of the kettle or the stainless steel kettle, and the mixture is stirred continuously. When the temperature in the kettle rises to 65-70 ° C, the hot water is stopped, and the rust-preventing rust inhibitor can be fully dissolved in the water.
  • the present invention relates to an aqueous environment-friendly rust-proof rust-proof coating liquid and a production process thereof, and the vinyl multi-component copolymer emulsion produced by the company is used as a film-forming material, water is a diluent, and is equipped with rust-proofing prevention. It is made of rust agent and various additives. It has the characteristics of safety, environmental protection, fast drying, rust removal, strong rust resistance, strong adhesion to metal, high resistance to water and salt spray, and high hardness. It is especially suitable for steel base. The maintenance of materials and chemical equipment saves time, labor and money, and is more favorable than the similar rust conversion paint on the market. It is suitable for national conditions and has no harm to workers' health.
  • the invention relates to an aqueous environment-friendly rust-proof rust-proof coating liquid, and the water-based environment-friendly rust-proof rust-proof coating liquid is composed of the following components according to the parts by weight:
  • the rust rust preventive agent uses tannic acid.
  • the film forming aid employs an alcohol ester of twelve.
  • the antifreeze is ethanol.
  • the film-forming material was a RPW402 vinyl multicomponent copolymerized vinylidene chloride emulsion of Nantong Ruipuer Bioengineering Co., Ltd., and the solid content was 40%.
  • the antifoaming agent is Hemings DF1181.
  • the substrate wetting agent is Hemings W77.
  • the invention discloses a production process of water-based environmentally-friendly rust-proof rust-proof coating liquid, comprising the steps of: adding deionized water in a jacketed enamel kettle or a stainless steel kettle, and stirring, stirring the material to drive the material in the kettle It is advisable to exercise together. Firstly, the antifreeze is stirred together with the rust and rust preventive agent, and then put into the kettle. The hot water of 80 °C is introduced into the jacket of the enamel kettle or stainless steel kettle, stirring is continued, and the temperature in the kettle is raised. When the temperature reaches 65 °C, the hot water is stopped.
  • the rust and rust preventive agent can be fully dissolved in the water, and the hot water in the enamel kettle or stainless steel kettle jacket is replaced with normal temperature water, and the water temperature is slowly lowered to 35 ° C, and then stopped.
  • Stirring the film-forming substance is put into the kettle in proportion, and the stirring is started again.
  • the stirring rate is suitable for the slurry to drive the materials in the kettle together; finally, the filming aid, defoaming agent and moist are added dropwise in the kettle while stirring.
  • the mixture is stirred for another 30 minutes.
  • the stirring can be stopped and the package can be filtered with a 100 mesh filter.
  • Water-based environment-friendly rust-proof rust-proof coating liquid is composed of The column components are composed by weight:
  • the rust rust preventive agent uses tannic acid.
  • the film forming aid dipropylene glycol methyl ether dipropylene glycol methyl ether.
  • the antifreeze is ethylene glycol.
  • the film-forming material adopts RPW402 vinyl multi-component copolymerized vinylidene chloride emulsion of Nantong Ruipuer Bio-engineering Co., Ltd., and the solid content is 40%.
  • the antifoaming agent is BASF 2410.
  • the substrate wetting agent is Hemings W469.
  • the invention discloses a production process of water-based environmentally-friendly rust-proof rust-proof coating liquid, comprising the steps of: adding deionized water in a jacketed enamel kettle or a stainless steel kettle, and stirring, stirring the material to drive the material in the kettle It is advisable to exercise together. Firstly, the antifreeze is stirred together with the rust and rust preventive agent, and then put into the kettle. The hot water of 80 °C is introduced into the jacket of the enamel kettle or stainless steel kettle, stirring is continued, and the temperature in the kettle is raised. When the temperature reaches 70 °C, the hot water is stopped.
  • the rust and rust preventive agent can be fully dissolved in the water, and the hot water in the enamel kettle or stainless steel kettle jacket is replaced with normal temperature water, and the water temperature is slowly lowered to 35 ° C, and then stopped.
  • Stirring the film-forming substance is put into the kettle in proportion, and the stirring is started again.
  • the stirring rate is suitable for the slurry to drive the materials in the kettle together; finally, the filming aid, defoaming agent and moist are added dropwise in the kettle while stirring.
  • Wet agent after the addition is completed, stir again After 30 minutes, after the sampling and testing by the analysis and testing department is qualified, the stirring can be stopped, and the package can be filtered with a 100 mesh filter.
  • the invention relates to an aqueous environment-friendly rust-proof rust-proof coating liquid, and the water-based environment-friendly rust-proof rust-proof coating liquid is composed of the following components according to the parts by weight:
  • the rust rust preventive agent uses tannic acid.
  • the film forming aid is dipropylene glycol butyl ether.
  • the antifreeze agent uses propylene glycol.
  • the film-forming material was a RPW402 vinyl multicomponent copolymerized vinylidene chloride emulsion of Nantong Ruipuer Bioengineering Co., Ltd., and the solid content was 40%.
  • the antifoaming agent was Rhodia DN-642.
  • the substrate wetting agent is Hemings W77 and W469.
  • the invention discloses a production process of water-based environmentally-friendly rust-proof rust-proof coating liquid, comprising the steps of: adding deionized water in a jacketed enamel kettle or a stainless steel kettle, and stirring, stirring the material to drive the material in the kettle It is advisable to exercise together. Firstly, the antifreeze is stirred together with the rust and rust preventive agent, and then put into the kettle. The hot water of 80 °C is introduced into the jacket of the enamel kettle or stainless steel kettle, stirring is continued, and the temperature in the kettle is raised. At 68 ° C, Stop the hot water. At this time, the rust and rust preventive agent can be fully dissolved in the water.
  • the water-based environment-friendly rust-preventing and rust-proof coating liquid of the invention needs to remove and purify the floating rust, oil stain and dust on the steel surface before the construction, and the steel substrate is preferably exposed when the rust is removed, and the rust layer is not too thick. Generally, it is not more than 50 micrometers. For hot rolled steel sheets with oxide scale, coating the product may cause the adhesion to decrease. The surface temperature of the substrate should not exceed 50 °C. Excessive surface temperature may cause the paint film to dry too fast. Affects leveling. When brushing a heavy place, it may not achieve the desired effect of rust conversion. At this time, it can be brushed 2 to 3 times.
  • the invention relates to a water-based environment-friendly rust-proof rust-proof coating liquid and a production process thereof, the vinyl multi-component copolymer emulsion produced by the company is a film-forming material, water is a diluent, and is combined with a rust-proof rust inhibitor and It is prepared by various additives, which is characterized by safety, environmental protection, fast drying, rust removal, strong rust resistance, strong adhesion to metal, high resistance to water and salt spray, and high hardness of paint film. It is especially suitable for steel substrates and chemicals. Maintenance of equipment, saving time, labor and money, and better price than similar rust conversion paint on the market Hui, suitable for the national conditions, no harm to the health of workers.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

一种水性环保型除锈防锈覆膜液，由下列组分按照重量份数组成：去离子水20-30份，除锈防锈剂5-15份，成膜助剂2-8份，防冻剂2-4份，消泡剂0.3-1份，成膜物质40-70份，基材润湿剂0.3-1份。其中，成膜物质可选择固含为40%的乙烯基多元共聚偏二氯乙烯乳液，除锈防锈剂可使用单宁酸。

Description

一种水性环保型除锈防锈覆膜液及其生产工艺 技术领域
本发明涉及一种水性环保型除锈防锈覆膜液及其生产工艺，其可以应用于钢结构、铸铁管件、化工设备、桥梁等钢铁设备的维护和保养。
背景技术
工业防腐中涂料消费量是仅次于建筑涂料的，其品种多、所涉及的应用领域广、技术含量高、价格高。2008-2014年，我国涂料产量保持着稳定增长的态势，且在2011年涂料年产量突破千万吨。2014年，涂料产量达到1648.19万吨，同比增长26.46％，涂料行业销售收入达到3867.59亿元，整个行业呈现高速增长态势。根据预测，未来5-10年，中国涂料行业市场需求仍将保持10％左右的增长。“十一五”期间，我国进行了《涂料低污染化国家标准体系》的研究和建设工作，随之带来的结果将是溶剂型涂料的市场将被进一步压缩，水性低VOC环保性涂料将会得到更多的市场份额。与溶剂型涂料相比，水性涂料的价格较高，某些方面性能较差，有一些使用局限性。水性涂料以水作为溶剂和稀释剂的好处是明显的，不仅价格低廉，而且没有毒，没有气味，因此没有起火起爆的危险，对人体健康也没有危害。
目前市场上使用的水性带锈除锈的防腐涂料普遍存在转化效果差、价格高、保质期短、耐盐雾时间短的缺点，工业上使用时，总是会出现咬底、粉化、漆膜剥落的现象，归根结底这是与成膜物质有密不可分的关系，市场上的水性带锈除锈的防腐涂料所采用的成膜物质一般是偏二氯乙烯和氯乙烯的共聚物，其确实具有良好的阻隔性、耐酸碱性，但是其与钢铁的附着力较差，且成膜后涂层的硬度较高却韧度太差，容易从钢铁表面剥落粉化。
发明内容
发明目的：本发明针对现有产品中的不足，提出一种价格实惠、安全环保、阻隔性能强、耐盐雾时间长、对金属附着力强的水性环保型除锈防锈覆膜液及其生产工艺。
技术方案：一种水性环保型除锈防锈覆膜液，所述的水性环保型除锈防锈覆膜液由下列组份按照重量份数组成：
Figure PCTCN2015092626-appb-000001
作为进一步优化，所述除锈防锈剂采用单宁酸。
作为进一步优化，所述成膜助剂采用醇酯十二、二丙二醇甲醚、二丙二醇丁醚中的一种或几种。
作为进一步优化，所述防冻剂采用乙醇、乙二醇、丙二醇中的一种或几种。
作为进一步优化，所述成膜物质采用乙烯基多元共聚偏二氯乙烯乳液，固含为40％。
作为进一步优化，所述消泡剂采用海明斯DF1181、巴斯夫2410、罗地亚DN-642。
作为进一步优化，所述基材润湿剂采用海明斯W77、W469中的一种或几种。
一种水性环保型除锈防锈覆膜液的生产工艺，包括如下步骤：在带夹套的 搪瓷釜或不锈钢釜中投入去离子水，并进行搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜，先将防冻剂与除锈防锈剂一起搅拌均匀后投入釜内，在搪瓷釜或不锈钢釜的夹套中通入80℃的热水，不停搅拌，待釜内温度升到65—70℃时，停止通热水，此时除锈防锈剂能够充分溶解在水中，用常温水置换搪瓷釜或不锈钢釜夹套中的热水，让水温慢慢降到35℃时，停止搅拌，把成膜物质按比例投入釜内，再次开启搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜；最后一边搅拌一边在釜内滴加成膜助剂、消泡剂和润湿剂，滴加完成后，再搅拌30分钟，由分析检测部门取样检测合格后，可以停止搅拌，用100目过滤网过滤包装即可。
有益效果：本发明涉及一种水性环保型除锈防锈覆膜液及其生产工艺，以本公司生产的乙烯基多元共聚物乳液为成膜物，水为稀释剂，并配以除锈防锈剂及多种助剂制备而成，其具有安全环保、干燥快、可以除锈，防锈能力强、对金属附着力强、耐水耐盐雾时间长漆膜硬度高等特点，特别适合钢铁基材、化工设备的维护保养，同时省时省工省钱，与市面上的类似款的锈转化漆相比价格更加优惠，适合国情，对工人健康没有危害。
具体实施方式
下面结合具体实施例对本发明进行详细阐述。
具体实施例一：
一种水性环保型除锈防锈覆膜液，所述的水性环保型除锈防锈覆膜液由下列组份按照重量份数组成：
Figure PCTCN2015092626-appb-000002
Figure PCTCN2015092626-appb-000003
所述除锈防锈剂采用单宁酸。
所述成膜助剂采用醇酯十二。
所述防冻剂采用乙醇。
所述成膜物质采用南通瑞普埃尔生物工程有限公司的RPW402乙烯基多元共聚偏二氯乙烯乳液，固含为40％。
所述消泡剂采用海明斯DF1181。
所述基材润湿剂采用海明斯W77。
一种水性环保型除锈防锈覆膜液的生产工艺，包括如下步骤：在带夹套的搪瓷釜或不锈钢釜中投入去离子水，并进行搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜，先将防冻剂与除锈防锈剂一起搅拌均匀后投入釜内，在搪瓷釜或不锈钢釜的夹套中通入80℃的热水，不停搅拌，待釜内温度升到65℃时，停止通热水，此时除锈防锈剂能够充分溶解在水中，用常温水置换搪瓷釜或不锈钢釜夹套中的热水，让水温慢慢降到35℃时，停止搅拌，把成膜物质按比例投入釜内，再次开启搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜；最后一边搅拌一边在釜内滴加成膜助剂、消泡剂和润湿剂，滴加完成后，再搅拌30分钟，由分析检测部门取样检测合格后，可以停止搅拌，用100目过滤网过滤包装即可。
具体实施例二：
一种水性环保型除锈防锈覆膜液，所述的水性环保型除锈防锈覆膜液由下 列组份按照重量份数组成：
Figure PCTCN2015092626-appb-000004
所述除锈防锈剂采用单宁酸。
所述成膜助剂二丙二醇甲醚。
所述防冻剂采用乙二醇。
所述成膜物质采用采用南通瑞普埃尔生物工程有限公司的RPW402乙烯基多元共聚偏二氯乙烯乳液，固含为40％。
所述消泡剂采用巴斯夫2410。
所述基材润湿剂采用海明斯W469。
一种水性环保型除锈防锈覆膜液的生产工艺，包括如下步骤：在带夹套的搪瓷釜或不锈钢釜中投入去离子水，并进行搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜，先将防冻剂与除锈防锈剂一起搅拌均匀后投入釜内，在搪瓷釜或不锈钢釜的夹套中通入80℃的热水，不停搅拌，待釜内温度升到70℃时，停止通热水，此时除锈防锈剂能够充分溶解在水中，用常温水置换搪瓷釜或不锈钢釜夹套中的热水，让水温慢慢降到35℃时，停止搅拌，把成膜物质按比例投入釜内，再次开启搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜；最后一边搅拌一边在釜内滴加成膜助剂、消泡剂和润湿剂，滴加完成后，再搅拌 30分钟，由分析检测部门取样检测合格后，可以停止搅拌，用100目过滤网过滤包装即可。
具体实施例三：
一种水性环保型除锈防锈覆膜液，所述的水性环保型除锈防锈覆膜液由下列组份按照重量份数组成：
Figure PCTCN2015092626-appb-000005
所述除锈防锈剂采用单宁酸。
所述成膜助剂采用二丙二醇丁醚。
所述防冻剂采用丙二醇。
所述成膜物质采用南通瑞普埃尔生物工程有限公司的RPW402乙烯基多元共聚偏二氯乙烯乳液，固含为40％。
所述消泡剂采用罗地亚DN-642。
所述基材润湿剂采用海明斯W77、W469。
一种水性环保型除锈防锈覆膜液的生产工艺，包括如下步骤：在带夹套的搪瓷釜或不锈钢釜中投入去离子水，并进行搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜，先将防冻剂与除锈防锈剂一起搅拌均匀后投入釜内，在搪瓷釜或不锈钢釜的夹套中通入80℃的热水，不停搅拌，待釜内温度升到68℃时， 停止通热水，此时除锈防锈剂能够充分溶解在水中，用常温水置换搪瓷釜或不锈钢釜夹套中的热水，让水温慢慢降到35℃时，停止搅拌，把成膜物质按比例投入釜内，再次开启搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜；最后一边搅拌一边在釜内滴加成膜助剂、消泡剂和润湿剂，滴加完成后，再搅拌30分钟，由分析检测部门取样检测合格后，可以停止搅拌，用100目过滤网过滤包装即可。
以下表格为上述三个实施例的技术指标：
检测项目 性能 检测方法
外观 乳白色均与流体 目测
固含％ 32～35 GB1725-79
粘度(涂4杯)S 18～25 GB/T1723
表干(25℃)min 15～20 GB/T1728
附着力 1 GB/T9286
耐盐雾/h 240 GB 1771-2007
耐水/h 360 GB/T 5209-1985
耐盐水/h 360 GB 1763-19795
本发明的水性环保型除锈防锈覆膜液在施工前，需对钢铁表面的浮锈、油污、灰尘进行清除吹扫，除锈时最好露出钢铁基材来，锈层不能太厚，一般在不超过50微米适宜，对有氧化皮的热轧钢板，涂覆本产品可能会导致附着力下降，基材表面温度不能超过50℃，过高的表面温度会导致漆膜干燥过快，影响流平性。锈重的地方刷一遍时，可能达不到锈转化的理想效果，此时可以刷2～3遍。
本发明涉及一种水性环保型除锈防锈覆膜液及其生产工艺，以本公司生产的乙烯基多元共聚物乳液为成膜物，水为稀释剂，并配以除锈防锈剂及多种助剂制备而成，其具有安全环保、干燥快、可以除锈，防锈能力强、对金属附着力强、耐水耐盐雾时间长漆膜硬度高等特点，特别适合钢铁基材、化工设备的维护保养，同时省时省工省钱，与市面上的类似款的锈转化漆相比价格更加优 惠，适合国情，对工人健康没有危害。
本发明不局限于上述最佳实施方式，任何人在本发明的启示下都可得出其他各种形式的产品，但不论在其形状或结构上作任何变化，凡是具有与本申请相同或相近似的技术方案，均落在本发明的保护范围之内。

Claims (8)

  1. 一种水性环保型除锈防锈覆膜液，其特征在于：所述的水性环保型除锈防锈覆膜液由下列组份按照重量份数组成：
    Figure PCTCN2015092626-appb-100001
  2. 根据权利要求1所述的水性环保型除锈防锈覆膜液，其特征在于：所述除锈防锈剂采用单宁酸。
  3. 根据权利要求1所述的水性环保型除锈防锈覆膜液，其特征在于：所述成膜助剂采用醇酯十二、二丙二醇甲醚、二丙二醇丁醚中的一种或几种。
  4. 根据权利要求1所述的水性环保型除锈防锈覆膜液，其特征在于：所述防冻剂采用乙醇、乙二醇、丙二醇中的一种或几种。
  5. 根据权利要求1所述的水性环保型除锈防锈覆膜液，其特征在于：所述成膜物质采用乙烯基多元共聚偏二氯乙烯乳液，固含为40％。
  6. 根据权利要求1所述的水性环保型除锈防锈覆膜液，其特征在于：所述消泡剂采用海明斯DF1181、巴斯夫2410、罗地亚DN-642。
  7. 根据权利要求1所述的水性环保型除锈防锈覆膜液，其特征在于：所述基材润湿剂采用海明斯W77、W469中的一种或几种。
  8. 一种根据权利要求1—7任一项所述的水性环保型除锈防锈覆膜液的生产工艺，其特征在于：包括如下步骤：在带夹套的搪瓷釜或不锈钢釜中投入去离子水，并进行搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜，先将防冻剂 与除锈防锈剂一起搅拌均匀后投入釜内，在搪瓷釜或不锈钢釜的夹套中通入80℃的热水，不停搅拌，待釜内温度升到65—70℃时，停止通热水，此时除锈防锈剂能够充分溶解在水中，用常温水置换搪瓷釜或不锈钢釜夹套中的热水，让水温慢慢降到35℃时，停止搅拌，把成膜物质按比例投入釜内，再次开启搅拌，搅拌速率以桨叶能带动釜内物料一起运动为宜；最后一边搅拌一边在釜内滴加成膜助剂、消泡剂和润湿剂，滴加完成后，再搅拌30分钟，由分析检测部门取样检测合格后，可以停止搅拌，用100目过滤网过滤包装即可。
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