JP6970497B2 - 無機材料系建造物用の外装塗料を用いた鉄筋コンクリート電気防食用の陽極被膜 - Google Patents
無機材料系建造物用の外装塗料を用いた鉄筋コンクリート電気防食用の陽極被膜 Download PDFInfo
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- JP6970497B2 JP6970497B2 JP2016212027A JP2016212027A JP6970497B2 JP 6970497 B2 JP6970497 B2 JP 6970497B2 JP 2016212027 A JP2016212027 A JP 2016212027A JP 2016212027 A JP2016212027 A JP 2016212027A JP 6970497 B2 JP6970497 B2 JP 6970497B2
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- sulfonic acid
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- 238000000576 coating method Methods 0.000 title claims description 73
- 239000011248 coating agent Substances 0.000 title claims description 71
- 239000011150 reinforced concrete Substances 0.000 title claims description 53
- 239000003973 paint Substances 0.000 title claims description 50
- 230000007797 corrosion Effects 0.000 title claims description 27
- 238000005260 corrosion Methods 0.000 title claims description 27
- 229910010272 inorganic material Inorganic materials 0.000 title claims description 25
- 239000011147 inorganic material Substances 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 230000003014 reinforcing effect Effects 0.000 claims description 47
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 35
- 239000004567 concrete Substances 0.000 claims description 31
- 230000035699 permeability Effects 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 35
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 19
- 125000000542 sulfonic acid group Chemical group 0.000 description 15
- 238000003916 acid precipitation Methods 0.000 description 13
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 239000001569 carbon dioxide Substances 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 150000001805 chlorine compounds Chemical class 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- -1 polysiloxane Polymers 0.000 description 7
- 239000013535 sea water Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000003487 electrochemical reaction Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 5
- 239000004566 building material Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000004210 cathodic protection Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000003729 cation exchange resin Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000805 composite resin Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000010559 graft polymerization reaction Methods 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229940044613 1-propanol Drugs 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002479 acid--base titration Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- KIZFHUJKFSNWKO-UHFFFAOYSA-M calcium monohydroxide Chemical compound [Ca]O KIZFHUJKFSNWKO-UHFFFAOYSA-M 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Prevention Of Electric Corrosion (AREA)
- Building Environments (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Paints Or Removers (AREA)
Description
・試料E2は、不揮発分20%の1プロパノール/水混合溶液
・試料E2:20gに水を80gに加えて100gとし、1%フェノールフタレイン溶液10gを加えて、1.0M水酸化リチウム水溶液を滴下
・1.0M水酸化リチウム水溶液を4.8g滴下した時点で中和を確認
この滴下により得られたデータに基づいて、スルホン酸当量Ewを次式(数1)により算出した。
25×0.24/x=y×1.0/1000
ここで、xは、試料E2のスルホン酸当量Ew
yは、水酸化リチウム水溶液の滴下量[g]
数1に、y=4.8を代入することにより、x=1042を得た。
2 鉄筋
3 陽極被膜
4 陽極電極
5 接着材
6 電極端子
7 直流電源
Claims (2)
- 鉄筋コンクリートの電気防食に用いられる陽極被膜であって、
炭素繊維により形成された帯状、紐状又は線状の導線を固定してなる陽極電極を、前記 陽極被膜における鉄筋コンクリート側とは反対側である表面に備え、
主成分がスルホン酸をグラフト重合させたPTFEであり、前記主成分におけるスルホ ン酸当量が800以上、1170以下の範囲であり、前記主成分が2質量%以上、4質 量%以下の範囲で水を含む溶剤に混合されてなる無機材料系建造物用の外装塗料を鉄筋 コンクリート建造物の外表面に被着して形成されてなる導電性及び通気性を有する鉄筋 コンクリート電気防食用の陽極被膜。 - 前記陽極電極に太陽電池の陽極が電気的に接続され、前記太陽電池の陰極が前記鉄筋コ ンクリートの鉄筋に電気的に接続されてなることを特徴とする請求項1に記載の陽極被 膜。
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Families Citing this family (1)
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JP2020066754A (ja) * | 2018-10-22 | 2020-04-30 | 株式会社ケミカル工事 | 鉄筋コンクリートの電気防食構造および電気防食工法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050136317A1 (en) * | 2003-12-19 | 2005-06-23 | 3M Innovative Properties Company | Molded multi-part flow field structure |
JP2008222853A (ja) * | 2007-03-13 | 2008-09-25 | Pialex Technologies Corp | 光触媒コーティング組成物 |
JP2009067819A (ja) * | 2007-09-10 | 2009-04-02 | Pialex Technologies Corp | 帯電防止塗料およびその塗装品 |
JP2009137783A (ja) * | 2007-12-04 | 2009-06-25 | Pialex Technologies Corp | 多機能窯業材 |
JP5164542B2 (ja) * | 2007-12-04 | 2013-03-21 | ニチハ株式会社 | 建材の塗装方法 |
JPWO2010010600A1 (ja) * | 2008-07-24 | 2012-01-05 | 株式会社ピアレックス・テクノロジーズ | 光触媒コーティング組成物 |
JP5564691B2 (ja) * | 2010-08-11 | 2014-07-30 | 日本防蝕工業株式会社 | 導電性水性塗料およびその塗料を使用した鉄筋コンクリート構造物の電気防食方法 |
JP6131051B2 (ja) * | 2012-01-20 | 2017-05-17 | 旭化成株式会社 | レドックスフロー二次電池用電解質膜及びそれを用いたレドックスフロー二次電池 |
JP2015175002A (ja) * | 2014-03-12 | 2015-10-05 | 株式会社シーピーシー | 鉄鋼建造物外表面の電気防食装置 |
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