WO2019195998A1 - 一种不锈钢仿铜钉子的表面处理方法 - Google Patents

一种不锈钢仿铜钉子的表面处理方法 Download PDF

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WO2019195998A1
WO2019195998A1 PCT/CN2018/082433 CN2018082433W WO2019195998A1 WO 2019195998 A1 WO2019195998 A1 WO 2019195998A1 CN 2018082433 W CN2018082433 W CN 2018082433W WO 2019195998 A1 WO2019195998 A1 WO 2019195998A1
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stainless steel
surface treatment
treatment method
nail
copper
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PCT/CN2018/082433
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English (en)
French (fr)
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李国庆
孔秀凤
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南京恒固五金制品有限公司
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Priority to CN201880093186.6A priority Critical patent/CN112105750A/zh
Priority to PCT/CN2018/082433 priority patent/WO2019195998A1/zh
Publication of WO2019195998A1 publication Critical patent/WO2019195998A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys

Definitions

  • the invention relates to the technical field of surface chemical treatment of materials, in particular to a surface treatment method for stainless steel imitation copper nails.
  • a surface treatment method for stainless steel imitation copper nails comprising the steps of: firstly placing stainless steel nails a in an electrolytic cell to remove oil, and then putting the degreased stainless steel nails b into the first pure water tank for rinsing, and then The cleaned stainless steel nail c is placed in a heating furnace for heating, and then the obtained stainless steel nail d is placed in a second pure water tank to be cooled, and then dried, and finally a stainless steel imitation copper nail is obtained.
  • the temperature of the electrolytic solution in the electrolytic cell is controlled within a range of 40-55 ° C
  • the current is controlled between 6-10 A/dm 2
  • the time is controlled within the range of 90-110 s.
  • the electrolytic solution comprises a degreasing powder and a degreaser
  • the degreasing powder is trisodium phosphate in a weight ratio of 3:3:1: sodium carbonate: sodium silicate
  • the degreaser is a surfactant and a builder
  • the weight ratio of the surfactant to the builder is 1:7
  • the surfactant is sodium dodecylbenzenesulfonate or sodium lauryl sulfate
  • the builder is coke Sodium or sodium sulfate.
  • the temperature in the first pure water tank is in the range of 10-30 °C.
  • the heating temperature in the heating furnace is in the range of 400-600 ° C, and the heating time is 1-8 h.
  • the temperature in the second pure water tank is in the range of 0-10 °C.
  • the temperature in which the drying treatment is carried out is in the range of 20 to 50 °C.
  • the invention provides a surface treatment method for stainless steel imitation copper nails, wherein the stainless steel nails are electrically de-oiled (the degreasing of the electrolytic cell is performed by electrochemically removing oil stains, gray stains, etc. remaining on the surface of the stainless steel nail surface during production or turnover) , cleaning (washing off the electrolyte with pure water), heating, chilling, drying, and finally making stainless steel imitation copper nails, the steps are simple, and the stainless steel imitation copper nails produced are uniform in color, which is consistent with the wood color and can It achieves the anti-corrosion and anti-rust effect, and has the cultural characteristics of the classical thick and warm atmosphere of ancient Chinese bronzes, and the cost is low, the process is simple, and it is suitable for mass promotion.
  • the present invention provides a surface treatment method for a stainless steel-like copper nail.
  • the specific embodiments are described below by way of specific examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the oil removing powder and the degreasing agent are included, and the degreasing powder is trisodium phosphate: sodium carbonate: sodium silicate in a weight ratio of about 3:3:1; the degreaser is surface active And builders, surfactants (sodium dodecylbenzene sulfonate or sodium lauryl sulfate): builder (sodium pyrophosphate or sodium sulphate) in a weight ratio of about 1:7.
  • surfactants sodium dodecylbenzene sulfonate or sodium lauryl sulfate
  • builder sodium pyrophosphate or sodium sulphate
  • a surface treatment method for stainless steel imitation copper nails comprises the following steps: firstly, the stainless steel nail a is placed in an electrolytic cell having a temperature of 40 ° C and a current of 6 A/dm 2 to remove oil, and the degreasing time is 90 s, and then the oil is removed.
  • the stainless steel nail b is then placed in a first pure water tank at a temperature of 10 ° C for rinsing, and then the cleaned stainless steel nail c is placed in a heating furnace at a temperature of 400 ° C for heating for 1 h, after which the heating time is 1 h.
  • the obtained stainless steel nail d was placed in a second pure water tank at a temperature of 0 ° C, and then dried, and the drying temperature was 20 ° C. After drying, a stainless steel imitation copper nail was obtained, and the properties are shown in Table 1.
  • a surface treatment method for stainless steel imitation copper nails comprises the following steps: firstly, the stainless steel nail a is placed in an electrolytic cell having a temperature of 55 ° C and a current of 10 A/dm 2 to remove oil, and the degreasing time is 110 s, and then the oil is removed.
  • the stainless steel nail b is placed in a first pure water tank at a temperature of 30 ° C for rinsing, and then the cleaned stainless steel nail c is placed in a heating furnace at a temperature of 600 ° C for heating for 8 hours. Then, the obtained stainless steel nail d was placed in a second pure water tank at a temperature of 10 ° C, and then dried, and the drying temperature was 50 ° C. After drying, a stainless steel imitation copper nail was obtained, and the properties are shown in Table 1.
  • a surface treatment method for stainless steel imitation copper nails comprises the following steps: firstly, the stainless steel nail a is placed in an electrolytic cell having a temperature of 50 ° C and a current of 8 A/dm 2 to remove oil, and the degreasing time is 100 s, and then the oil is removed.
  • the stainless steel nail b is placed in a first pure water tank at a temperature of 20 ° C for rinsing, and then the cleaned stainless steel nail c is placed in a heating furnace at a temperature of 500 ° C for heating for 6 hours. Then, the obtained stainless steel nail d was placed in a second pure water tank at a temperature of 5 ° C, and then dried, and the drying temperature was 30 ° C. After drying, a stainless steel imitation copper nail was obtained, and the properties are shown in Table 1.
  • a surface treatment method for stainless steel imitation copper nails comprises the following steps: firstly, the stainless steel nail a is placed in an electrolytic cell having a temperature of 45 ° C and a current of 8 A/dm 2 to remove oil, and the degreasing time is 100 s, and then the oil is removed.
  • the stainless steel nail b is placed in a first pure water tank at a temperature of 20 ° C for rinsing, and then the cleaned stainless steel nail c is placed in a heating furnace at a temperature of 550 ° C for heating for 5 hours. Then, the obtained stainless steel nail d was placed in a second pure water tank at a temperature of 5 ° C, and then dried, and the drying temperature was 25 ° C. After drying, a stainless steel imitation copper nail was obtained, and the properties are shown in Table 1.
  • a surface treatment method for stainless steel imitation copper nails comprises the following steps: firstly, the stainless steel nail a is placed in an electrolytic cell having a temperature of 50 ° C and a current of 6 A/dm 2 to remove oil, and the degreasing time is 95 s, and then the oil is removed.
  • the stainless steel nail b is placed in a first pure water tank at a temperature of 25 ° C for rinsing, and then the cleaned stainless steel nail c is placed in a heating furnace at a temperature of 600 ° C for heating, and the heating time is 4.5 h.
  • the obtained stainless steel nail d was placed in a second pure water tank at a temperature of 3 ° C, and then dried, and the drying temperature was 25 ° C. After drying, a stainless steel imitation copper nail was obtained, and the properties are shown in Table 1.
  • the copper paint was sprayed on the surface of the stainless steel nail by a known painting method to obtain a copper-like nail, and the performance is shown in Table 1.
  • Table 1 shows the performance of imitation copper nails produced by different imitation copper processes.
  • Example 1 According to Table 1, in combination with Example 1, Example 2, Example 3, Example 4, Example 5 and Comparative Example 1, it can be concluded that the method of the present invention can obtain uniform color, firmness and oxidation resistance.
  • the stainless steel imitation copper nail which does not fade, has good anti-corrosion and anti-rust effect, and the stainless steel imitation copper nail has a bronze color when heated in a heating furnace for a long time.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于电解池中除油，然后将除油后的不锈钢钉子b放入第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c放入加热炉中进行加热，之后再将得到的不锈钢钉子d放入第二纯水槽中猝冷，然后进行干燥处理，最后得到不锈钢仿铜钉子。

Description

一种不锈钢仿铜钉子的表面处理方法 技术领域
本发明涉及材料的表面化学处理技术领域，具体涉及一种不锈钢仿铜钉子的表面处理方法。
背景技术
家居建材产品随着房地产行业的蓬勃发展种类越来越多，而彰显人们生活品质的高档户外装修材料也越来越受到热捧，庭院大门、栏杆等现在广泛使用的是不锈钢材料，不锈钢材料较铸铁大门来讲不容易生锈，不需要定期保养维护成本较低，深受消费者喜欢，但是不锈钢的颜色较为单一，在强光下不锈钢容易反光，使人炫目，不锈钢刷漆改变色彩存在的问题是油漆与不锈钢的粘合度不好，风吹日晒油漆容易剥落影响美观；另外在国外，近几年建造房屋越来越趋向于复古建筑，使用古铜色的木材，需要大量的的钉子，如果使用传统的不锈钢钉子，由于不锈钢钉子是亮色的，钉子与木材色调不统一，造成不美观，如果使用硅青铜钉，可以使得钉子与木材颜色统一，但硅青铜钉成本较高(成本是不锈钢钉的三倍)，全套房屋总钉子用量很多，会造成建造成本较高，性价比较低，中国发明专利公开号为CN 103071976 A的专利记载了一种不锈钢仿铜的方法，在不锈钢的表面刷铜漆，这样即达到铜的颜色的要求又成本低，但是该方法的缺点是铜漆不牢固，容易掉色，不能长久，因此设计一种表面为古铜色、不易生锈、不易腐蚀、不易掉色、成本低廉的不锈钢仿铜钉子的工艺方法，是该领域亟待解决的问题之一。
发明内容
鉴于现有技术中存在的问题，本发明的目的是提供一种表面为古铜色、不易生锈、不易腐蚀的不锈钢仿铜钉子的表面处理方法。
本发明的目的是通过以下技术方案来实现：
一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于电解池中除油，然后将除油后的不锈钢钉子b放入第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入加热炉中进行加热，之后再将得到的不锈钢钉子d放入第二纯水槽中猝冷，然后进行干燥处理，最后得到不锈钢仿铜钉子。
进一步地，其中电解池中电解溶液温度控制在40-55℃范围内，电流控制在6-10A/dm 2之间，时间控制在90-110s范围内。
进一步地，其中电解溶液中包括除油粉和除油剂，除油粉是重量比为3:3:1的磷酸三钠：碳酸钠：硅酸钠；除油剂为表面活性剂和助洗剂，所述表面活性剂与所述助洗剂的重量比为1:7；所述表面活性剂为十二烷基苯磺酸钠或十二烷基硫酸钠；所述助洗剂为焦磷酸钠或硫酸钠。
进一步地，其中所述第一纯水槽中的温度在10-30℃范围内。
进一步地，其中所述加热炉中的加热温度在400-600℃范围内，加热时间为1-8h。
进一步地，其中所述第二纯水槽中的温度在0-10℃范围内。
进一步地，其中干燥处理的温度在20-50℃范围内。
本发明具有的有益效果：
本发明提供的不锈钢仿铜钉子的表面处理方法，不锈钢钉子通过电解除油(所述电解池除油是通过电化学方法除去不锈钢钉子表面生产或周转过程中残存在表面的油污、灰渍等)、清洗(使用纯水洗掉电解液)、加热、猝冷、干 燥，最后制得不锈钢仿铜钉子，步骤简单、而且制作出来的不锈钢仿铜钉子整体色泽均匀，既与木材色调一致，又能达到防腐防锈的效果，具有中国古代铜器古典厚重、温润大气的文化特征，而且成本较低，工艺方法简单，适合大量推广。
具体实施方式
本发明提供了一种不锈钢仿铜钉子的表面处理方法，下面以具体实施例来说明具体实施方式，应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明中电解池中的电解液中包括除油粉和除油剂，除油粉为重量比约为3:3:1的磷酸三钠：碳酸钠：硅酸钠；除油剂为表面活性剂和助洗剂，表面活性剂(十二烷基苯磺酸钠或十二烷基硫酸钠)：助洗剂(焦磷酸钠或硫酸钠)重量比约为1:7。
实施例1
一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于温度为40℃、电流为6A/dm 2的电解池中除油，除油时间为90s，然后将除油后的不锈钢钉子b放入温度为10℃的第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入温度为400℃的加热炉中进行加热，加热时间为1h，之后再将得到的不锈钢钉子d放入温度为0℃的第二纯水槽中猝冷，然后进行干燥处理，干燥温度为20℃，干燥后得到不锈钢仿铜钉子，性能如表一所示。
实施例2
一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于温度为55℃、电流为10A/dm 2的电解池中除油，除油时间为110s，然后将除油后的不锈钢钉子b放入温度为30℃的第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入温度为600℃的加热炉中进行加热，加热时间为8h，之后再将得到的不锈钢钉子d放入温度为10℃的第二纯水槽中猝冷，然后进行干燥处理，干燥温度为50℃，干燥后得到不锈钢仿铜钉子，性能如表一所示。
实施例3
一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于温度为50℃、电流为8A/dm 2的电解池中除油，除油时间为100s，然后将除油后的不锈钢钉子b放入温度为20℃的第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入温度为500℃的加热炉中进行加热，加热时间为6h，之后再将得到的不锈钢钉子d放入温度为5℃的第二纯水槽中猝冷，然后进行干燥处理，干燥温度为30℃，干燥后得到不锈钢仿铜钉子，性能如表一所示。
实施例4
一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于温度为45℃、电流为8A/dm 2的电解池中除油，除油时间为100s，然后将除油后的不锈钢钉子b放入温度为20℃的第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入温度为550℃的加热炉中进行加热，加热时间为5h，之后再将得到的不锈钢钉子d放入温度为5℃的第二纯水槽中猝冷，然后进行干燥处理，干燥温度为25℃，干燥后得到不锈钢仿铜钉子，性能如表 一所示。
实施例5
一种不锈钢仿铜钉子的表面处理方法，包括如下步骤：首先将不锈钢钉子a放置于温度为50℃、电流为6A/dm 2的电解池中除油，除油时间为95s，然后将除油后的不锈钢钉子b放入温度为25℃的第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入温度为600℃的加热炉中进行加热，加热时间为4.5h，之后再将得到的不锈钢钉子d放入温度为3℃的第二纯水槽中猝冷，然后进行干燥处理，干燥温度为25℃，干燥后得到不锈钢仿铜钉子，性能如表一所示。
对比例1
采用公知的喷漆方法，在不锈钢钉子的表面喷涂铜漆，得到仿铜钉子，性能如表一所示。
表一为不同仿铜工艺生产的仿铜钉子的性能
Figure PCTCN2018082433-appb-000001
Figure PCTCN2018082433-appb-000002
结论：根据表一结合实施例1、实施例2、实施例3、实施例4、实施例5以及对比例1可以得出，使用本发明所述的方法可以得到色泽均匀、牢固，不易氧化，不掉色，防腐防锈效果较好的不锈钢仿铜钉子，并且在加热炉中加热时间较长时，所述不锈钢仿铜钉子色泽为古铜色。
最后应说明的是：以上所述的各实施例仅用于说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分或全部技术特征进行等同替换；而这些修改或替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (7)

  1. 一种不锈钢仿铜钉子的表面处理方法，其特征在于，包括如下步骤：首先将不锈钢钉子a放置于电解池中除油，然后将除油后的不锈钢钉子b放入第一纯水槽中进行冲洗，之后再将冲洗干净后的不锈钢钉子c，放入加热炉中进行加热，之后再将得到的不锈钢钉子d放入第二纯水槽中猝冷，然后进行干燥处理，最后得到不锈钢仿铜钉子。
  2. 根据权利要求1所述的不锈钢仿铜钉子的表面处理方法，其特征在于，电解池中电解溶液温度控制在40-55℃范围内，电流控制在6-10A/dm 2之间，时间控制在90-110s范围内。
  3. 根据权利要求2所述的不锈钢仿铜钉子的表面处理方法，其特征在于，电解溶液中包括除油粉和除油剂，除油粉是重量比为3:3:1的磷酸三钠：碳酸钠：硅酸钠；除油剂为表面活性剂和助洗剂，所述表面活性剂与所述助洗剂的重量比为1:7；所述表面活性剂为十二烷基苯磺酸钠或十二烷基硫酸钠；所述助洗剂为焦磷酸钠或硫酸钠。
  4. 根据权利要求1所述的不锈钢仿铜钉子的表面处理方法，其特征在于，所述第一纯水槽中的温度在10-30℃范围内。
  5. 根据权利要求1所述的不锈钢仿铜钉子的表面处理方法，其特征在于，所述加热炉中的加热温度在400-600℃范围内，加热时间为1-8h。
  6. 根据权利要求1所述的不锈钢仿铜钉子的表面处理方法，其特征在于，所述第二纯水槽中的温度在0-10℃范围内。
  7. 根据权利要求1所述的不锈钢仿铜钉子的表面处理方法，其特征在于，干燥处理的温度在20-50℃范围内。
PCT/CN2018/082433 2018-04-10 2018-04-10 一种不锈钢仿铜钉子的表面处理方法 WO2019195998A1 (zh)

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