JPS62185890A - Rust preventive composition - Google Patents
Rust preventive compositionInfo
- Publication number
- JPS62185890A JPS62185890A JP2591986A JP2591986A JPS62185890A JP S62185890 A JPS62185890 A JP S62185890A JP 2591986 A JP2591986 A JP 2591986A JP 2591986 A JP2591986 A JP 2591986A JP S62185890 A JPS62185890 A JP S62185890A
- Authority
- JP
- Japan
- Prior art keywords
- copolymer
- rust preventive
- rust
- steel
- composition
- 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.)
- Pending
Links
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 230000003449 preventive effect Effects 0.000 title claims abstract description 20
- 229920001577 copolymer Polymers 0.000 claims abstract description 29
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 12
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 239000000049 pigment Substances 0.000 claims abstract description 10
- 239000011976 maleic acid Substances 0.000 claims abstract description 6
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 5
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000178 monomer Substances 0.000 claims abstract description 3
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000000576 coating method Methods 0.000 abstract description 5
- 239000003513 alkali Substances 0.000 abstract description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract description 3
- -1 acrylic ester Chemical class 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 1
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 235000014692 zinc oxide Nutrition 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-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
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DTCCVIYSGXONHU-CJHDCQNGSA-N (z)-2-(2-phenylethenyl)but-2-enedioic acid Chemical compound OC(=O)\C=C(C(O)=O)\C=CC1=CC=CC=C1 DTCCVIYSGXONHU-CJHDCQNGSA-N 0.000 description 1
- LZDDXRWBWZUFHD-ODZAUARKSA-N (z)-but-2-enedioic acid;2-methylprop-1-ene Chemical compound CC(C)=C.OC(=O)\C=C/C(O)=O LZDDXRWBWZUFHD-ODZAUARKSA-N 0.000 description 1
- OEVVKKAVYQFQNV-UHFFFAOYSA-N 1-ethenyl-2,4-dimethylbenzene Chemical compound CC1=CC=C(C=C)C(C)=C1 OEVVKKAVYQFQNV-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- SBYMUDUGTIKLCR-UHFFFAOYSA-N 2-chloroethenylbenzene Chemical compound ClC=CC1=CC=CC=C1 SBYMUDUGTIKLCR-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- XMYLSWOTJKUSHE-UHFFFAOYSA-N cyanamide;lead Chemical compound [Pb].NC#N XMYLSWOTJKUSHE-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- MCSAJNNLRCFZED-UHFFFAOYSA-N nitroethane Chemical compound CC[N+]([O-])=O MCSAJNNLRCFZED-UHFFFAOYSA-N 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は防錆剤組成物に関し、詳しくは鉄鋼材に対する
親和性に優れ防錆性に富んだ防錆剤組成物に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a rust preventive composition, and more particularly to a rust preventive composition that has excellent affinity for steel materials and is rich in rust prevention properties.
従来から、鉄鋼材、鉄鋼製品のさび止め塗料として、ワ
ニスなどの油性物質に鉛丹、亜鉛華などのさび止め顔料
を溶解したものが知られ広く使用されている。このさび
止め塗料は防錆性には比較的冨んでいるものの、鉄鋼に
対する親和性に劣るためその防錆性を充分に発揮させる
ためには、鉄鋼素地のさび落としなどの表面処理を入念
に行う必要があった。BACKGROUND ART Conventionally, rust-preventing paints prepared by dissolving rust-preventing pigments such as red lead and zinc white in oil-based substances such as varnishes have been known and widely used as rust-preventing paints for steel materials and steel products. Although this anti-rust paint is relatively rich in rust-preventing properties, it has poor affinity for steel, so in order to fully demonstrate its rust-preventing properties, careful surface treatment such as removing rust from the steel base is required. There was a need.
本発明は、従来の油性物質に代え特定の共重合体の塩を
用いることによって、鉄鋼材に対する親和性を高め、鉄
鋼素地表面を特別に処理することなく優れた防錆性を発
揮する防錆剤組成物を提供することを目的とする。The present invention uses a specific copolymer salt in place of conventional oil-based substances to improve its affinity for steel materials and to provide excellent rust prevention properties without the need for special treatment of the steel base surface. The purpose of the present invention is to provide a drug composition.
本発明の防錆剤組成物はイソブチレン（ＩＢ）、スチレ
ン（ＳＴ）およびアクリル酸エステル（ＡＩｖＩ）から
選ばれた少な（とも１種のモノマーと、マレイン酸また
はその無水物（ＭＡ）との共重合体の塩ならびにさび止
め顔料からなることを特徴とする。The rust preventive composition of the present invention comprises a combination of at least one monomer selected from isobutylene (IB), styrene (ST) and acrylic acid ester (AIvI) and maleic acid or its anhydride (MA). It is characterized by consisting of a polymeric salt and a rust-inhibiting pigment.
本発明に用いられる共重合体としては、例えばイソブチ
レン−マレイン酸または無水マレイン酸共重合体、スチ
レン−マレイン酸または無水マレイン酸共重合体、アク
リル酸エステル−マレイン酸または無水マレイン酸共重
合体等の二元共重合体、イソブチレン−スチレン−マレ
イン酸または無水マレイン酸共重合体、イソブチレン−
アクリ／Ｌ／ 酸Ｘ ス−ｊ−）Ｌｔ −７レイン酸ま
たは無水マレイン酸共重合体、スチレン−アクリル酸エ
ステル−マレイン酸または無水マレイン酸共重合体等の
三元共重合体、イソブチレン−スチレン−アクリル酸エ
ステル−マレイン酸または無水マレイン酸共重合体等の
四元共重合体がある。Examples of the copolymer used in the present invention include isobutylene-maleic acid or maleic anhydride copolymer, styrene-maleic acid or maleic anhydride copolymer, acrylic ester-maleic acid or maleic anhydride copolymer, etc. binary copolymer, isobutylene-styrene-maleic acid or maleic anhydride copolymer, isobutylene-
Acrylic/L/Acid There are quaternary copolymers such as -acrylic acid ester-maleic acid or maleic anhydride copolymers.
これの共重合体において、 イソブチレン単位は次の式で表すことができる。In this copolymer, The isobutylene unit can be represented by the following formula.
テ１“ −Ｇ−Ｃ−ＣＨｔ ＋ ＣＨ。te1“ -G-C-CHt+ CH.
スチレン単位は例えば次の式であられすことができる。The styrene unit can be represented by the following formula, for example.
ここでスチレンそのものの代わりとしてα−メチルスチ
レン、ビニルトルエン、２，４−ジメチルスチレン、ク
ロロスチレンおよびその他の置換したスチレンを用いて
も、またこれらを含有していていてもよい。Here, instead of styrene itself, α-methylstyrene, vinyltoluene, 2,4-dimethylstyrene, chlorostyrene and other substituted styrenes may be used or may be contained.
アクリル酸エステル単位は次の一般式で表すことができ
る。The acrylic ester unit can be represented by the following general formula.
＋ＣＨｚ−ＣＩＬＪ−
０ＯＲ
（ただし、Ｒは低級アルキル基であり、好ましいのはメ
チル基である。）
マレイン酸単位は次の式で表すことができる。+CHz-CILJ-0OR (However, R is a lower alkyl group, preferably a methyl group.) The maleic acid unit can be represented by the following formula.
Ｃ０ＯＨＣ０ＯＨ 無水マレイン酸単位は次の式で表すことができる。C0OHC0OH The maleic anhydride unit can be represented by the following formula.
これらの共重合体は、例えば次のようにして製造される
。すなわち、まず、イソブチレンを用いる場合はイソブ
チレンを除く各共重合成分の所定量を反応容器中に仕込
み、冷却するとともに充分脱気する。次いで、所定量の
イソブチレンを加え攪拌しながら共重合反応を行わせる
。このとき、反応温度は特に制限されないが、通常３０
〜２゜０℃、好ましくは４５〜２００℃、反応時間は特
に制限されないが、通常０．５〜２０時間、好ましくは
１〜１０時間に設定する。この共重合反応においては、
必要に応じてエチルベンゼン、クメン、ｎ−ブチルベン
ゼン、アセトニトリル、ニトロメタン、ニトロエタン、
メチルエチルケトン、アセトン、Ｎ、Ｎ−ジメチルホル
ムアミド、ジメチルスルホキシドなどの溶媒を単独でま
たは混合して使用することができる。また、過酸化ベン
ゾイル、過酸化ラウロイル、クメンヒドロパーオキシド
、第３級ブチルヒドロパーオキシド、ジクミルパーオキ
シド、アゾビスイソブチロニトリルなどの触媒も使用す
ることができる。These copolymers are produced, for example, as follows. That is, first, when isobutylene is used, predetermined amounts of each copolymer component except isobutylene are charged into a reaction vessel, cooled and sufficiently degassed. Next, a predetermined amount of isobutylene is added and a copolymerization reaction is carried out with stirring. At this time, the reaction temperature is not particularly limited, but is usually 30
The temperature is 2° to 200°C, preferably 45 to 200°C, and the reaction time is not particularly limited, but is usually set to 0.5 to 20 hours, preferably 1 to 10 hours. In this copolymerization reaction,
Ethylbenzene, cumene, n-butylbenzene, acetonitrile, nitromethane, nitroethane, as necessary.
Solvents such as methyl ethyl ketone, acetone, N,N-dimethylformamide, dimethyl sulfoxide can be used alone or in combination. Catalysts such as benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, tertiary butyl hydroperoxide, dicumyl peroxide, and azobisisobutyronitrile can also be used.
また、本発明における共重合体は、通常、その数平均分
子量が５００〜４００，０００であり、好ましい数平均
分子量は１．０００〜２００，０００である。Further, the copolymer in the present invention usually has a number average molecular weight of 500 to 400,000, and preferably a number average molecular weight of 1.000 to 200,000.
さらに本発明における前記共重合体は、その数平均分子
量が前記範囲内にあるとしても、無水マレイン酸単位の
含有割合が、５〜６０モル％、特に１０〜５５モル％で
あるのが好ましい。Further, in the copolymer of the present invention, even if the number average molecular weight is within the above range, the content of maleic anhydride units is preferably 5 to 60 mol%, particularly 10 to 55 mol%.
こうして得られた共重合体をアルカリにより中和処理し
て共重合体の塩を生成せしめる。このとき、使用するア
ルカリとしては、水酸化ナトリウム、水酸化カリウム、
水酸化アンモニウム、炭酸ナトリウム、アンモニア、酢
酸ナトリウム、尿素、チオ尿素、有機アミン類などが好
ましい。この中和反応の反応温度は２０〜１５０℃、反
応時間は０．５〜１０時間に設定することが好ましい。The copolymer thus obtained is neutralized with an alkali to produce a copolymer salt. At this time, the alkali used is sodium hydroxide, potassium hydroxide,
Preferred are ammonium hydroxide, sodium carbonate, ammonia, sodium acetate, urea, thiourea, organic amines, and the like. The reaction temperature of this neutralization reaction is preferably set to 20 to 150°C, and the reaction time is preferably set to 0.5 to 10 hours.
本発明の防錆剤組成物はこのようにして得られた共重合
体の塩の１種または２種以上の固形分１００重量部に対
して、さび止め顔料を、特に制限されないが、通常５〜
５００重量部、好ましくは１０〜３００重量部配合して
得られる。In the rust preventive composition of the present invention, a rust preventive pigment is added to 100 parts by weight of the solid content of one or more salts of the copolymer obtained as described above, although it is not particularly limited. ~
It is obtained by blending 500 parts by weight, preferably 10 to 300 parts by weight.
なお、本発明の防錆剤組成物には中和されて塩となって
いない前記共重合体が一部含まれていてもよい。Note that the rust preventive composition of the present invention may contain a portion of the copolymer that has not been neutralized into a salt.
さび止め顔料としては、特に制限されないが、例えば鉛
丹、亜酸化鉛、シアナミド鉛、塩基性クロム酸鉛、亜鉛
末、亜鉛華、ジンククロメート、グラファイト、ベンガ
ラ等、およびこれらの混合物が挙げられる。Examples of rust-preventing pigments include, but are not limited to, red lead, lead zinc oxide, lead cyanamide, basic lead chromate, zinc dust, zinc white, zinc chromate, graphite, red iron, and mixtures thereof.
また、上記組成物には必要に応じ、タルク、炭酸カルシ
ウム、カオリンクレー等の体質顔料、消泡剤、分散剤等
を配合することもできる。Furthermore, extender pigments such as talc, calcium carbonate, and kaolin clay, antifoaming agents, dispersants, and the like may be added to the above composition as required.
本発明の防錆剤組成物は前記共重合体の塩の水溶液に上
記配合物を混合した後、ロールミル等の混合機で混練す
ることにより得られる。The rust preventive composition of the present invention can be obtained by mixing the above compound into an aqueous solution of the salt of the copolymer and then kneading the mixture with a mixer such as a roll mill.
塗膜を形成する塗装方法としては、スプレー法、ハケス
リ法、浸漬法等があるが、塗膜均一性、作業合理性の面
からスプレー法が多く用いられる。Coating methods for forming a coating film include a spray method, a scraping method, a dipping method, etc., but the spray method is often used from the viewpoint of uniformity of the coating film and operational efficiency.
比較的低粘度品にはエアスプレー法、高粘度品にはエア
レス方式を使用することができる。An air spray method can be used for relatively low viscosity products, and an airless method can be used for high viscosity products.
本発明の防錆剤組成物の塗膜の厚さは５〜１０００μと
することが好ましい。The thickness of the coating film of the rust preventive composition of the present invention is preferably 5 to 1000 microns.
以下、本発明を実施例に基づいて詳細に説明するが、本
発明はこれに限定されるものではない。Hereinafter, the present invention will be explained in detail based on Examples, but the present invention is not limited thereto.
内容積ＩＮのオートクレーブに、イソブチレンを除く表
示の成分を表示量仕込み、−１Ｏ′Ｃに冷却するととも
に、容器内を充分に脱気した。ついで、イソブチレンを
表示量および溶媒としてアセトニトリル４６０ｃｃ、触
媒として過酸化ベンゾイル０．６ｇを加え、４００ｒｐ
ｍで撹拌しながら１１０℃において２時間共重合反応を
行わせ、しかるのち生成物を水中に投入して共重合体を
得た。The indicated amounts of the indicated components except isobutylene were charged into an autoclave having an internal volume of IN, and the autoclave was cooled to -1O'C, and the inside of the container was sufficiently degassed. Next, the indicated amount of isobutylene, 460 cc of acetonitrile as a solvent, and 0.6 g of benzoyl peroxide as a catalyst were added, and the mixture was heated at 400 rpm.
The copolymerization reaction was carried out at 110° C. for 2 hours while stirring at m, and then the product was poured into water to obtain a copolymer.
得られた共重合体の数平均分子量、イソブチレン量、ス
チレン量、アクリル酸メチル量およびマレイン酸量をモ
ル比で表に示した。The number average molecular weight, isobutylene content, styrene content, methyl acrylate content, and maleic acid content of the obtained copolymer are shown in the table in molar ratio.
さらに、この共重合体に中和度１になる量の水酸化ナト
リウム水溶液を添加せしめてその濃度を２０重量％とじ
、９０℃において６時間中和反応を行わせて共重合体の
塩の水溶液を調製した。Further, an aqueous sodium hydroxide solution in an amount to give a degree of neutralization of 1 was added to this copolymer to adjust the concentration to 20% by weight, and a neutralization reaction was carried out at 90°C for 6 hours to form an aqueous solution of the salt of the copolymer. was prepared.
この共重合体の塩を表示量、表示のさび止め顔料に配合
し、２０℃で５分間混練して防錆剤組成物をｌｉＩ！ｌ
、下記の評価に供した。The salt of this copolymer is blended with the indicated amount of rust preventive pigment and kneaded at 20°C for 5 minutes to form a rust preventive composition. l
, and was subjected to the following evaluation.
■負方盪
防錆処理を施していない鋼板（２Ｘ２００Ｘ２５０鶴）
を水中に浸漬して、表面に予め部分的に錆を発生させ、
この鋼板に表示の防錆剤組成物を約５０μ厚さで塗布し
、
（１）鋼板に対する濡れ状態（親和性、表面全体が濡れ
るか、部分的にはじくかを目視）
（２）３ケ月後の錆の発生とその広がり状態（面積）を
観察した。■Negative steel plate without anti-rust treatment (2x200x250 Tsuru)
immersed in water to partially generate rust on the surface,
Apply the indicated rust preventive composition to this steel plate to a thickness of about 50 μm, (1) Wetting condition to the steel plate (affinity, visually check whether the entire surface gets wet or is partially repelled) (2) After 3 months The occurrence of rust and its spread (area) were observed.
本発明の防錆剤組成物は鉄鋼材の素地のさび落としなど
の表面処理を特別に行うことなく、優れた防錆性を発揮
するものであり、本発明の工業的価値は大である。The rust preventive composition of the present invention exhibits excellent rust preventive properties without special surface treatment such as removing rust from the base of steel materials, and the present invention has great industrial value.
Claims (1)
から選ばれた少なくとも１種のモノマーと、マレイン酸
またはその無水物との共重合体の塩ならびにさび止め顔
料からなることを特徴とする防錆剤組成物1. A rust preventive composition comprising a salt of a copolymer of at least one monomer selected from isobutylene, styrene, and acrylic acid ester, and a copolymer of maleic acid or its anhydride, and a rust preventive pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2591986A JPS62185890A (en) | 1986-02-10 | 1986-02-10 | Rust preventive composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2591986A JPS62185890A (en) | 1986-02-10 | 1986-02-10 | Rust preventive composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185890A true JPS62185890A (en) | 1987-08-14 |
Family
ID=12179186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2591986A Pending JPS62185890A (en) | 1986-02-10 | 1986-02-10 | Rust preventive composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185890A (en) |
-
1986
- 1986-02-10 JP JP2591986A patent/JPS62185890A/en active Pending
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