CN113844125A - 一种高弹性铜板的生产方法 - Google Patents
一种高弹性铜板的生产方法 Download PDFInfo
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 120
- 239000010949 copper Substances 0.000 title claims abstract description 120
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000005554 pickling Methods 0.000 claims abstract description 34
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002253 acid Substances 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 238000002791 soaking Methods 0.000 claims abstract description 23
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- 238000005237 degreasing agent Methods 0.000 claims abstract description 16
- 239000013527 degreasing agent Substances 0.000 claims abstract description 16
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 16
- 238000005238 degreasing Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 12
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 claims abstract description 10
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 10
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims abstract description 8
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000002949 phytic acid Nutrition 0.000 claims abstract description 8
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- 230000003472 neutralizing effect Effects 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 14
- 230000003078 antioxidant effect Effects 0.000 claims description 14
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- 238000000576 coating method Methods 0.000 claims description 13
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 claims description 11
- 238000006386 neutralization reaction Methods 0.000 claims description 11
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- 239000000243 solution Substances 0.000 claims description 7
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229960003512 nicotinic acid Drugs 0.000 claims description 6
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- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
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- 238000005516 engineering process Methods 0.000 description 7
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000008301 phosphite esters Chemical class 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
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- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Abstract
本发明公开了一种高弹性铜板的生产方法，其特征在于，包括以下步骤：除油：向除油池内倒入除油剂，将需待处理的铜板浸泡除油池8‑13min，期间不停晃动铜板，完成后，将铜板取出清洗；酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡20‑35min，酸洗剂包括草酸25‑30份、油酸钠5‑10份、植酸10‑15份和硼酸盐15‑20份。超声波清洗：将酸洗后的铜板进行超声波清洗3‑5次，取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为130‑160℃，压力为250～300ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为400～500ps且保持20‑45min。本发明两块铜板之间加入弹性层进行压合，增加弹性模量。
Description
技术领域
本发明涉及铜板技术领域，尤其涉及一种高弹性铜板的生产方法。
背景技术
随着电子产品向高密度化化发展，铜板其特殊的金属特性及高导电、耐蚀性强的特点，多应用于导电、导热、耐蚀器材。如电线、电缆、导电螺钉、爆破用雷管、化工用蒸发器、贮藏器及各种管道等，但现有的铜板弹性不足，易折断。
发明内容
本发明为了解决现有技术的上述不足，提出了一种高弹性铜板的生产方法。
为了解决上述技术问题，本发明采用以下技术方案：一种高弹性铜板的生产方法，其特征在于，包括以下步骤：
除油：向除油池内倒入除油剂，将需待处理的铜板浸泡除油池8-13min，期间不停晃动铜板，完成后，将铜板取出清洗；
酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡20-35min，酸洗剂包括草酸25-30份、油酸钠5-10份、植酸10-15份和硼酸盐15-20份。
超声波清洗：将酸洗后的铜板进行超声波清洗3-5次；
硼酸盐的去污效果强；
草酸具有很强的氧化还原性，可将金属氧化物还原成金属离子，草酸具有很强的除锈功能；
油酸钠为憎水基和亲水基两部分构成的化合物，有优良的乳化力，渗透力和去污力，可作为阴离子型表面活性剂，配合草酸将金属氧化物快速还原出来；
植酸具有很强的螯合功能，可赋予铜板良好的抗腐蚀能力，减少因酸洗对金属表面的腐蚀。
超声波清洗：将酸洗后的铜板进行超声波清洗3-5次；
中和：将酸洗后的铜板清水冲洗后放入中和池内，向中和池内倒入与铜板固液质量体积比4：1中和液，中和液为氢氧化钙溶液，中和时间为20-45min，去除残留的酸洗剂。
喷涂抗氧化涂料：向中和后的铜板均匀喷涂抗氧化涂料，喷涂厚度为0.3mm。
优选的，该方法还包括铜板压合：取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为130-160℃，压力为250～300ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为400～500ps且保持20-45min。
优选的，除油剂包括硝酸钠3-5份、柠檬酸5-8份和茶皂素5-8份的混合液，除油温度为30-60℃，柠檬酸为较强的有机酸，可与甘油反应，且易溶于水，便于去油后清洗，且柠檬酸废液也比较容易处理，对人体不会造成危害茶皂甙属于三萜类皂角甙，为非离子型表面活性剂，茶皂素具有良好的乳化、分散、发泡、湿润等功能。
优选的，抗氧化涂料包括环氧树脂50-65份、亚磷酸酯15-20份、氮化硼10-15份和增光剂8-12份。
亚磷酸酯热稳定性强，具有改善耐热性和耐候性，保持透明性功能，配合环氧树脂，增强耐热性、绝缘性和粘黏性；
氮化硼具有抗化学侵蚀性质，不被无机酸和水侵蚀，可隔绝铜板与雨水接触；
优选的，增光剂包括包括质量比例为1:1的聚乙二醇和烟酸，聚乙二醇优良的润滑性、保湿性、分散性、粘接剂，烟酸属于维生素B族，可增加光亮度，聚乙二醇可改变组织结构，配合烟酸，增加铜板光亮度的同时，减少各成分融合时，分子间不规则的间隙。
优选的，弹性层为橡胶材质或丙烯酸材质。
优选的，第二次酸洗浸泡时间为15-22min。
与现有技术相比，本发明的有益效果：在两块铜板之间加入弹性层进行压合，增加弹性模量，油酸钠为憎水基和亲水基两部分构成的化合物，有优良的乳化力，渗透力和去污力，可作为阴离子型表面活性剂，配合草酸将金属氧化物快速还原出来。
具体实施方式
下面结合实施例对发明进行详细的说明。
实施例1
本发明提出的一种高弹性铜板的生产方法，包括以下步骤：
除油：向除油池内倒入除油剂，除油剂采用深圳市天跃新材料科技有限公司旗下的金属除油剂，将需待处理的铜板浸泡除油池8min，期间不停晃动铜板，反复清洗3次，完成后，将铜板取出清洗；
酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡20min，酸洗剂包括草酸25份、油酸钠5份、植酸10份和硼酸盐15份。
超声波清洗：将酸洗后的铜板进行超声波清洗3次；
中和：将清洗后的铜板放入中和池内，向中和池内倒入与铜板固液质量体积比4：1中和液，中和液为氢氧化钙溶液，中和时间为20min，去除残留的酸洗剂；
向中和后的铜板均匀喷涂抗氧化涂料，抗氧化涂料为北京耐默科技有限公司；
铜板压合：取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为130℃，压力为250ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为400ps且保持20min，弹性层为橡胶材质或丙烯酸材质。
实施例2
一种高弹性铜板的生产方法，包括以下步骤：
除油：向除油池内倒入除油剂，除油剂采用深圳市天跃新材料科技有限公司旗下的金属除油剂，将需待处理的铜板浸泡除油池10min，期间不停晃动铜板，反复清洗3次，完成后，将铜板取出清洗；
酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡25min，酸洗剂包括草酸27份、油酸钠8份、植酸12份和硼酸盐18份。
超声波清洗：将酸洗后的铜板进行超声波清洗4次；
中和：将清洗后的铜板放入中和池内，向中和池内倒入与铜板固液质量体积比4：1中和液，中和液为氢氧化钙溶液，中和时间为35min，去除残留的酸洗剂；
向中和后的铜板均匀喷涂抗氧化涂料，抗氧化涂料为北京耐默科技有限公司；
铜板压合：取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为150℃，压力为260ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为450ps且保持35min，弹性层为橡胶材质或丙烯酸材质。
实施例3
一种高弹性铜板的生产方法，包括以下步骤：
除油：向除油池内倒入除油剂，除油剂采用深圳市天跃新材料科技有限公司旗下的金属除油剂，将需待处理的铜板浸泡除油池13min，期间不停晃动铜板，反复清洗3次，完成后，将铜板取出清洗；
酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡35min，酸洗剂包括草酸30份、油酸钠10份、植酸15份和硼酸盐20份。
超声波清洗：将酸洗后的铜板进行超声波清洗5次；
中和：将清洗后的铜板放入中和池内，向中和池内倒入与铜板固液质量体积比4：1中和液，中和液为氢氧化钙溶液，中和时间为45min，去除残留的酸洗剂；
向中和后的铜板均匀喷涂抗氧化涂料，抗氧化涂料为北京耐默科技有限公司；
铜板压合：取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为160℃，压力为300ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为500ps且保持45min，弹性层为橡胶材质或丙烯酸材质。
实施例4
一种高弹性铜板的生产方法，包括以下步骤：
除油：向除油池内倒入除油剂，除油剂采用深圳市天跃新材料科技有限公司旗下的金属除油剂，将需待处理的铜板浸泡除油池13min，期间不停晃动铜板，完成后，将铜板取出清洗；
酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡35min，酸洗剂包括草酸30份和硼酸盐20份。
超声波清洗：将酸洗后的铜板进行超声波清洗5次；
中和：将清洗后的铜板放入中和池内，向中和池内倒入与铜板固液质量体积比4：1中和液，中和液为氢氧化钙溶液，中和时间为45min，去除残留的酸洗剂；
铜板压合：取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为160℃，压力为300ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为500ps且保持45min，弹性层为橡胶材质或丙烯酸材质。
对比例1
一种高弹性铜板的生产方法，包括将需处理的铜板放入除油池内浸泡9min，期间不停晃动铜板，完成后将铜板取出清洗，清洗后将铜板放入酸洗池内，向酸洗池内倒入酸洗剂后浸泡30min，酸洗剂为浓硫酸50份，将酸洗后的铜板进行超声波清洗3次，将清洗后的铜板烘干。
观察实施例1、实施例2、实施例3酸洗后获得的铜板和对比例1获得的铜板表面可知，实施例3的铜板表面无明显铁锈痕迹，且光泽度高，无明显污渍，实施例1、实施例2表面无明显铁锈痕迹、无明显污渍痕迹，但光泽度不如实施例3，实施例4表面残留部分铁锈，有轻微污渍痕迹，且光泽度不如实施例1、实施例2和实施例3，对比例1表面有明显的铁锈痕迹，且污渍痕迹痕迹大于实施例4，光泽度也不如实施例1、实施例2、实施例3和实施例4,；
由此可知，实施例3为本发明的最佳方案，对比例1仅用浓硫酸进行酸洗，酸洗力度不够，实施例4和实施例3对比可知，添加油酸钠和植酸后去污渍能力更强。
将实施例1、实施例2、实施例3压合后获得的铜板和对比例1获得的铜板进行试验比对，具体数据见表1；
表1
由此可见，实施例3为最优方案，对比例1没有在铜板见加入弹性层进行压合，弹性模量均大于本发明的实施例。
实施例5
本实施例与实施例3基本一致，不同之处在于：
除油剂包括硝酸钠4份、柠檬酸7份和茶皂素8份。
观察实施例3和实施例5除油后的铜板表面可知，实施例3的表面残留较为明显的油渍，需反复清洗才能去除，而采用实施例3的除油剂，表面无明显油渍，无需反复清洗，可节约作业时间。
实施例6
本实施例与实施例3基本一致，不同之处在于：
抗氧化涂料包括环氧树脂份60份、亚磷酸酯17份、氮化硼12份和增光剂(增光剂包括包括质量比例为1:1的聚乙二醇和烟酸)9份。
实施例7
本实施例与实施例3基本一致，不同之处在于：
抗氧化涂料包括环氧树脂份60份、和增光剂(增光剂包括包括质量比例为1:1的聚乙二醇和烟酸)9份。
将实施例3、实施例6和实施例7喷涂后的铜板放入酸性环境内进行试验比对，具体数据见表2；
| 实施例3 | 实施例6 | 实施例7 | |
| 耐酸时间(天) | 6.5 | 11 | 8 |
由此可见，添加亚磷酸酯和氮化硼后，抗氧化性更强。
在不出现冲突的前提下，本领域技术人员可以将上述附加技术特征自由组合以及叠加使用。
上述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利和保护范围应以所附权利要求书为准。
Claims (7)
1.一种高弹性铜板的生产方法，其特征在于，包括以下步骤：
除油：向除油池内倒入除油剂，将需待处理的铜板浸泡除油池8-13min，期间不停晃动铜板，完成后，将铜板取出清洗；
酸洗：将除油后的铜板放入酸洗池，向酸洗池内倒入酸洗剂后浸泡20-35min，酸洗剂包括草酸25-30份、油酸钠5-10份、植酸10-15份和硼酸盐15-20份。
超声波清洗：将酸洗后的铜板进行超声波清洗3-5次；
中和：将清洗后的铜板后放入中和池内，向中和池内倒入与铜板固液质量体积比4：1中和液，所述中和液为氢氧化钙溶液，中和时间为20-45min。
喷涂抗氧化涂料：向中和后的铜板均匀喷涂抗氧化涂料。
2.如权利要求1所述的一种高弹性铜板的生产方法，其特征在于，该方法还包括铜板压合：取两块处理好的铜板，两块铜板中间放置弹性层进行压合，起始温度为130-160℃，压力为250～300ps，以加热速度为5℃/s升温至200℃，当温度达到200℃时，压力增加为400～500ps且保持20-45min。
3.如权利要求1所述的一种高弹性铜板的生产方法，其特征在于，所述除油剂包括硝酸钠3-5份、柠檬酸5-8份和茶皂素5-8份的混合液，除油温度为30-60℃。
4.如权利要求1所述的一种高弹性铜板的生产方法，其特征在于，所述抗氧化涂料包括环氧树脂50-65份、亚磷酸酯15-20份、氮化硼10-15份和增光剂8-12份。
5.如权利要求1所述的一种高弹性铜板的生产方法，其特征在于，所述增光剂包括包括质量比例为1:1的聚乙二醇和烟酸。
6.如权利要求1所述的一种高弹性铜板的生产方法，其特征在于，所述弹性层为橡胶材质或丙烯酸材质。
7.如权利要求1所述的一种高弹性铜板的生产方法，其特征在于，所述第二次酸洗浸泡时间为15-22min。
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Application publication date: 20211228 |