CN104289721B - 一种聚氨酯涂料与胶黏剂的超细镍钴合金粉的制备方法 - Google Patents
一种聚氨酯涂料与胶黏剂的超细镍钴合金粉的制备方法 Download PDFInfo
- Publication number
- CN104289721B CN104289721B CN201410576370.XA CN201410576370A CN104289721B CN 104289721 B CN104289721 B CN 104289721B CN 201410576370 A CN201410576370 A CN 201410576370A CN 104289721 B CN104289721 B CN 104289721B
- Authority
- CN
- China
- Prior art keywords
- nickel
- cobalt
- hydrogen
- powder
- ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims abstract description 47
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000853 adhesive Substances 0.000 title claims abstract description 8
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 8
- 239000011527 polyurethane coating Substances 0.000 title claims abstract description 7
- 239000001257 hydrogen Substances 0.000 claims abstract description 42
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 42
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims abstract description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000009467 reduction Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 28
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004202 carbamide Substances 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 14
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 13
- 239000004327 boric acid Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000012298 atmosphere Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- -1 nickelous sulfates Chemical class 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- SPIFDSWFDKNERT-UHFFFAOYSA-N nickel;hydrate Chemical compound O.[Ni] SPIFDSWFDKNERT-UHFFFAOYSA-N 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical compound O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 claims description 2
- 229940044175 cobalt sulfate Drugs 0.000 claims description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 claims description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 abstract description 28
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 27
- 229910045601 alloy Inorganic materials 0.000 abstract description 27
- 229910052759 nickel Inorganic materials 0.000 abstract description 14
- 229910017052 cobalt Inorganic materials 0.000 abstract description 13
- 239000010941 cobalt Substances 0.000 abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 9
- 239000002243 precursor Substances 0.000 abstract description 8
- 238000001556 precipitation Methods 0.000 abstract description 7
- XTOOSYPCCZOKMC-UHFFFAOYSA-L [OH-].[OH-].[Co].[Ni++] Chemical compound [OH-].[OH-].[Co].[Ni++] XTOOSYPCCZOKMC-UHFFFAOYSA-L 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000005864 Sulphur Substances 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000000975 co-precipitation Methods 0.000 abstract description 3
- 239000012456 homogeneous solution Substances 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000012805 post-processing Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 239000001272 nitrous oxide Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000001996 bearing alloy Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001453 nickel ion Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 229910021538 borax Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000004328 sodium tetraborate Substances 0.000 description 2
- 235000010339 sodium tetraborate Nutrition 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- UUCGKVQSSPTLOY-UHFFFAOYSA-J cobalt(2+);nickel(2+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Co+2].[Ni+2] UUCGKVQSSPTLOY-UHFFFAOYSA-J 0.000 description 1
- MXEHMOBFYMIGAE-UHFFFAOYSA-L cobalt(2+);nickel;dihydroxide Chemical compound [OH-].[OH-].[Co+2].[Ni] MXEHMOBFYMIGAE-UHFFFAOYSA-L 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XIKYYQJBTPYKSG-UHFFFAOYSA-N nickel Chemical compound [Ni].[Ni] XIKYYQJBTPYKSG-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
指标 | 费氏粒度 | 比表面 | 碳 | 硫 | 氧 | 铁 |
数值 | 0.5um | 12m2/g | 0.01% | 0.0018% | 0.1% | 0.0035% |
指标 | D10 | D50 | D90 | |||
数值 | 0.5um | 2.0um | 3.9um |
指标 | 费氏粒度 | 比表面 | 碳 | 硫 | 氧 | 铁 |
数值 | 1um | 8m2/g | 0.012% | 0.0015% | 0.09% | 0.0034% |
指标 | D10 | D50 | D90 | |||
数值 | 0.9um | 3.0um | 4.9um |
指标 | 费氏粒度 | 比表面 | 碳 | 硫 | 氧 | 铁 |
数值 | 0.9um | 10m2/g | 0.01% | 0.0017% | 0.09% | 0.0034% |
指标 | D10 | D50 | D90 | |||
数值 | 1.0um | 2.9um | 4.8um |
指标 | 费氏粒度 | 比表面 | 碳 | 硫 | 氧 | 铁 |
数值 | 0.51um | 11.8m2/g | 0.01% | 0.0018% | 0.12% | 0.0031% |
指标 | D10 | D50 | D90 | |||
数值 | 0.7um | 2.0um | 3.9um |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410576370.XA CN104289721B (zh) | 2014-10-26 | 2014-10-26 | 一种聚氨酯涂料与胶黏剂的超细镍钴合金粉的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410576370.XA CN104289721B (zh) | 2014-10-26 | 2014-10-26 | 一种聚氨酯涂料与胶黏剂的超细镍钴合金粉的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104289721A CN104289721A (zh) | 2015-01-21 |
CN104289721B true CN104289721B (zh) | 2016-04-20 |
Family
ID=52309799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410576370.XA Expired - Fee Related CN104289721B (zh) | 2014-10-26 | 2014-10-26 | 一种聚氨酯涂料与胶黏剂的超细镍钴合金粉的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104289721B (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100493781C (zh) * | 2007-04-06 | 2009-06-03 | 深圳市危险废物处理站 | 一种片状镀银铜粉的制备方法 |
KR20100024295A (ko) * | 2008-08-25 | 2010-03-05 | 주식회사 잉크테크 | 금속박편의 제조방법 |
CN103611940B (zh) * | 2013-11-29 | 2015-08-05 | 江苏瑞德新能源科技有限公司 | 一种导电银浆用片状银粉的制备方法 |
CN103624267A (zh) * | 2013-12-03 | 2014-03-12 | 浙江光达电子科技有限公司 | 一种连续法制备银粉的方法 |
CN103666005A (zh) * | 2013-12-20 | 2014-03-26 | 北京矿冶研究总院 | 镍包膨润土或硅藻土复合粉末及其制备方法 |
-
2014
- 2014-10-26 CN CN201410576370.XA patent/CN104289721B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN104289721A (zh) | 2015-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107088660A (zh) | 一种超细镍钴合金粉的制备方法 | |
CN102553593B (zh) | 磁性纳米四氧化三铁-石墨烯复合催化剂的制备方法 | |
CN103317141B (zh) | 一种金属纳米颗粒的制备方法 | |
CN104084599B (zh) | 一种导电银浆用超细球形银粉的生产方法 | |
CN101428348A (zh) | 一种水热处理制备球形超细金属粉末的工艺方法 | |
CN104439280A (zh) | 一种同时制备氢氧化钴和钴粉的方法 | |
CN101875134A (zh) | 一种纳米钨铜稀土复合粉的制备方法 | |
CN103862038A (zh) | 一种超粗硬质合金包裹粉末及其制备方法 | |
CN104096850A (zh) | 用对氨基苯酚还原银氨络合物制备超细球形银粉的方法 | |
CN115039791B (zh) | 一种蛭石抗菌功能材料及其制备方法 | |
CN103352132A (zh) | 一种铜镍纳米线的制备方法及其制备的铜镍纳米线 | |
CN104759287A (zh) | 一种铁掺杂的二氧化铈光催化剂及其制备方法 | |
CN106558695A (zh) | 一种镍钴铝复合氢氧化物、镍钴铝复合氧化物及其制备方法 | |
CN105268453B (zh) | 燃料电池、一种具有核壳结构的催化剂及其制备方法 | |
CN103433501B (zh) | 均一粒径球形纳米钴的制备方法 | |
CN103351030A (zh) | 一种低阴离子残留碱式碳酸钴的制取方法 | |
CN108866418A (zh) | 一种氧化物弥散强化铁钴镍中熵合金的制备方法 | |
CN104625082A (zh) | 一种纳米级镍粉的制备方法 | |
CN103691965A (zh) | 一种铜/银异质结纳米粒子的制备方法 | |
CN102698749A (zh) | 以钌氨络合物为前驱体的钌系氨合成催化剂 | |
CN102962470B (zh) | 常温下制备球形超细镍粉的方法 | |
CN100387383C (zh) | 一种超细镍粉的制备方法 | |
KR101581331B1 (ko) | 초음파를 이용한 마이크로-나노 크기를 가지는 금속 또는 금속산화물의 제조방법 및 그에 의해 제조된 금속 또는 금속 산화물 | |
CN105289624A (zh) | 一种低压合成氨催化剂及其制备方法 | |
CN104289721B (zh) | 一种聚氨酯涂料与胶黏剂的超细镍钴合金粉的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Qiuyan Inventor after: Cao Tongxia Inventor after: Mu Guoqing Inventor before: Li Wanqing |
|
COR | Change of bibliographic data | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160325 Address after: Changan Zhen Shang Sha community 523000 Guangdong province Zhenxing District Dongguan Xinfeng Road No. 8 Applicant after: Dongguan City Yin Ze Industrial Co., Ltd. Address before: 264000 16-2, Fu Qing Street, Zhifu District, Shandong, Yantai Applicant before: Li Wanqing |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170707 Address after: 523000 Guangdong city of Dongguan province Changan business community Zhen Shang Sha Tai Po District Road No. 4 Building Patentee after: Dongguan Zhongming Precision Hardware Electronic Technology Co., Ltd. Address before: Changan Zhen Shang Sha community 523000 Guangdong province Zhenxing District Dongguan Xinfeng Road No. 8 Patentee before: Dongguan City Yin Ze Industrial Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20171026 |