CN104528964B - A kind of without phosphorus compound corrosion inhibiting and descaling agent - Google Patents
A kind of without phosphorus compound corrosion inhibiting and descaling agent Download PDFInfo
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- CN104528964B CN104528964B CN201410814522.5A CN201410814522A CN104528964B CN 104528964 B CN104528964 B CN 104528964B CN 201410814522 A CN201410814522 A CN 201410814522A CN 104528964 B CN104528964 B CN 104528964B
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- 238000005260 corrosion Methods 0.000 title claims abstract description 71
- 230000007797 corrosion Effects 0.000 title claims abstract description 68
- -1 phosphorus compound Chemical class 0.000 title claims abstract description 53
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 52
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 49
- 239000011574 phosphorus Substances 0.000 title claims abstract description 35
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 33
- POJWUDADGALRAB-UHFFFAOYSA-N allantoin Chemical compound NC(=O)NC1NC(=O)NC1=O POJWUDADGALRAB-UHFFFAOYSA-N 0.000 claims abstract description 24
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920001577 copolymer Polymers 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- POJWUDADGALRAB-PVQJCKRUSA-N Allantoin Natural products NC(=O)N[C@@H]1NC(=O)NC1=O POJWUDADGALRAB-PVQJCKRUSA-N 0.000 claims abstract description 12
- 229960000458 allantoin Drugs 0.000 claims abstract description 12
- BVTHRGZMQHOCOL-UHFFFAOYSA-N OCC(O)(C1(NC(=O)NCNC(=O)NC2(CO)NC(=O)NC2=O)NC(=O)NC1=O)CO Chemical compound OCC(O)(C1(NC(=O)NCNC(=O)NC2(CO)NC(=O)NC2=O)NC(=O)NC1=O)CO BVTHRGZMQHOCOL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229930182470 glycoside Natural products 0.000 claims abstract description 11
- 229920000193 polymethacrylate Polymers 0.000 claims abstract description 11
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011575 calcium Substances 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 9
- 239000000470 constituent Substances 0.000 claims description 5
- GUPPESBEIQALOS-ZVGUSBNCSA-L calcium;(2r,3r)-2,3-dihydroxybutanedioate Chemical compound [Ca+2].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O GUPPESBEIQALOS-ZVGUSBNCSA-L 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- AIPVRBGBHQDAPX-UHFFFAOYSA-N hydroxy(methyl)silane Chemical compound C[SiH2]O AIPVRBGBHQDAPX-UHFFFAOYSA-N 0.000 claims 1
- ODQLEMXCKZIVGZ-UHFFFAOYSA-N imidazolidin-1-ylmethanol Chemical class OCN1CCNC1 ODQLEMXCKZIVGZ-UHFFFAOYSA-N 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 229910017053 inorganic salt Inorganic materials 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 description 9
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical group [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 230000005764 inhibitory process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000008346 aqueous phase Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000003999 initiator Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical group CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical group [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- JMTIXSZQYHAMLY-UHFFFAOYSA-N [P].[Zn] Chemical compound [P].[Zn] JMTIXSZQYHAMLY-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 150000007980 azole derivatives Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- DCEMCPAKSGRHCN-UHFFFAOYSA-N oxirane-2,3-dicarboxylic acid Chemical compound OC(=O)C1OC1C(O)=O DCEMCPAKSGRHCN-UHFFFAOYSA-N 0.000 description 1
- 229920000141 poly(maleic anhydride) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a kind of without phosphorus compound corrosion inhibiting and descaling agent, belong to water treatment field.This corrosion inhibiting and descaling agent is by 20 30 parts of Calcium d-tartrates, 10 20 parts of octadecyl glycosides, 8 12 parts of BTAs, 35 parts of Bis(hydroxymethyl)imidazolidinyl urea, 15 20 parts of methyl-monosilane alcohol, 10 15 parts of allantoin, 12 15 parts of 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 8 10 parts of glycerol polymethacrylates and 60 70 parts of water compositions, without organic or Phos in the corrosion inhibiting and descaling agent component of the present invention, it it is the compound corrosion inhibiting and descaling agent of a kind of high molecular polymer and inorganic salt combination, there is consumption few, to environment, the advantages such as human body and crop are safe from harm, it it is a kind of environmentally friendly corrosion inhibiter, be suitable to commercial application.
Description
Technical field
The invention belongs to water treatment field, more particularly, it relates to a kind of without phosphorus compound corrosion inhibiting and descaling agent.
Background technology
China is the country of a water resource famine, has per capita water resource 2000 m less than United Nations Commission for Sustainable Development's review of the water resource per capita of 18 provinces, municipalities and autonomous regions3, 10 provinces, municipalities and autonomous regions are less than 1000 m3The minimum line of existence, the wretched insufficiency of water resource will affect normal productive life, affects expanding economy, and recirculated cooling water is the rich and influential family of water for industrial use.Due to the worsening shortages of freshwater resources, industrial colling treatment agent is increasingly subject to people's attention.Organic phospho acid is a now widely used class water treatment agent, and it is the exploitation of external the mid-1960s, the class water treatment agent being identified the seventies, have good chemical stability, heat-resisting quantity and have that consumption is few concurrently, the feature such as inhibition and scale effect.Additionally, organic phospho acid has the sequestering power of excellence to many metal ions, they solve system and produce the problem of calcium carbonate scale, and C-P key exists makes its stable chemical performance, more high temperature resistant, has substantially " threshold effect " and " cooperative effect ".Its defect is calcium phosphate scale, zinc dirt and the ferrum oxide deposition problems that organic phospho acid can not suppress to produce in phosphorus system and phosphorus zinc system water treatment formula effectively, and phosphorus-containing wastewater discharge causes body eutrophication and marine red tide problem.Abroad having been carried out limiting phosphorus or prohibiting phosphorus measure, China advocates low-phosphorous and without phosphorus product exploitation the most energetically.Copolymer antisludging agent is to enter a kind of New Type Water Treatment Chemicals of exploitation after the eighties, and the pollution good, without phosphorus of its superior performance, compatibility, development prospect are wide, but its price is high, is used alone and can not meet water and process needs, thus need to add other components compounding after use.
Through retrieval, Chinese patent application publication number CN
101560022 B, the patent document in filing date on May 26th, 2009 discloses a kind of composite slow-corrosion scale resistor, by organic phospho acid 15%～30%, acrylic acid or acrylic copolymer 10%～20%, poly 2%～10%, azole derivative 1%～3%, multi-element organic amine sulfonate 15%～30%, dimethylformamide or ethanol 2%～6%, the raw material of water 20%～35% mass proportioning is made, this invention composite slow-corrosion scale resistor is used for the middle water system as recirculated cooling water, can solve the problem that the corrosion that equipment is caused by middle water recirculated water, but in this composite slow-corrosion scale resistor, phosphorus content is higher and complicated components, it is only applicable to the middle water system as recirculated cooling water, application is restricted.Chinese patent application publication number CN
null101767885 A，The patent document in filing date on January 12nd, 2010 discloses a kind of phosphate-free corrosion inhibition antisludging agent for water treatment facilities，Its active component weight ratio is: itaconic acid-propenoic acid-ACR 18-20%，2-acrylamide-2-methyl propane sulfonic acid-acrylamide polymer 8-10%，Poly-epoxy succinic acid 9-11%，Hydrolytic polymaleic anhydride 10-12%，Fluorescein 0.5-1.5%，Water 45-53%，The key component of this invention is natural polymer，There is natural cyclic structure，There is the active group of chelating high volence metal ion，There is certain corrosion and scale inhibition performance，But anticorrosion-antiscaling effect is bad and fluorescence in component have certain toxicity，Human body there is injury，The secondary pollution of water body can be caused.Therefore, process needs to meet current water, be badly in need of developing a kind of toxicity low, environment, human body and crop are safe from harm, and the corrosion inhibiting and descaling agent that corrosion-mitigation scale-inhibition efficiency is high.
Summary of the invention
1.
Problem to be solved
Have that usage amount is big for existing corrosion inhibiting and descaling agent, environment is had the problem such as weak effect polluting and processing calcium phosphate scale, zinc dirt and ferrum oxide deposition, the present invention provides a kind of without phosphorus compound corrosion inhibiting and descaling agent, without organic or Phos in the corrosion inhibiting and descaling agent component of the present invention, it it is the compound corrosion inhibiting and descaling agent of a kind of high molecular polymer and inorganic salt combination, can be widely used for the anticorrosion of metallic article, antirust field, there is consumption few, to advantages such as environment, human body and crop are safe from harm, it it is a kind of environmentally friendly corrosion inhibiter.
2.
Technical scheme
In order to solve the problems referred to above, the technical solution adopted in the present invention is as follows:
A kind of without phosphorus compound corrosion inhibiting and descaling agent, the mass fraction of its constituent and each component is: 20-30 part Calcium d-tartrate, 10-20 part octadecyl glycosides, 8-12 part BTA, 3-5 part Bis(hydroxymethyl)imidazolidinyl urea, 15-20 part methyl-monosilane alcohol, 10-15 part allantoin, 12-15 part 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 8-10 part glycerol polymethacrylates, 60-70 part water.
Preferably, the mass fraction of described each component is: 25 parts of Calcium d-tartrates, 20 parts of octadecyl glycosides, 10 parts of BTAs, 4 parts of Bis(hydroxymethyl)imidazolidinyl urea, 20 parts of methyl-monosilane alcohol, 10 parts of allantoin, 15 parts of 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 10 parts of glycerol polymethacrylates, 65 parts of water.
The application in corrosion inhibiting and descaling agent of the 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers.
The application in metallic article corrosion-resistant field of the above-mentioned a kind of without phosphorus compound corrosion inhibiting and descaling agent.
The application in the antirust field of metallic article of the above-mentioned a kind of without phosphorus compound corrosion inhibiting and descaling agent.
3.
Beneficial effect
Compared to prior art, the invention have the benefit that
(1) the most phosphorous in the corrosion inhibiting and descaling agent component of the present invention, will not produce environment and pollute, the present invention is the compound corrosion inhibiting and descaling agent of a kind of high molecular polymer and inorganic salt combination, has consumption few, to advantages such as environment, human body and crop are safe from harm, it it is a kind of environmentally friendly corrosion inhibiter；
(2) the methyl-monosilane alcohol in the corrosion inhibiting and descaling agent component of the present invention and allantoin are the most highly stable, corrosion mitigating effect 20%-30% higher than prior art, shelf-stable, and post processing is easy, will not produce environment and pollute；
(3) Bis(hydroxymethyl)imidazolidinyl urea in the present invention and 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers not only have the effect of corrosion-mitigation scale-inhibition; and the dispersibility of the corrosion inhibiting and descaling agent of the present invention can be significantly improved; being difficult to reunite, service life is long, high treating effect；
(4) to have technique simple for the preparation method of the slow-release scale inhibitor of the present invention, reasonable in design, the advantage such as mild condition and easily operation, is suitable to commercial application.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described below.
Embodiment
1
A kind of without phosphorus compound corrosion inhibiting and descaling agent, the mass fraction of its constituent and each component is: 25 parts of Calcium d-tartrates, 20 parts of octadecyl glycosides, 10 parts of BTAs, 4 parts of Bis(hydroxymethyl)imidazolidinyl urea, 20 parts of methyl-monosilane alcohol, 10 parts of allantoin, 15 parts of 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 10 parts of glycerol polymethacrylates, 65 parts of water.
The preparation method of above-mentioned a kind of without phosphorus compound corrosion inhibiting and descaling agent, the steps include:
A () adds sodium acryloyldimethyl taurate, water and initiator in reaction bulb and stirs, be then heated to 85 DEG C, and wherein, initiator is sodium peroxydisulfate, and the mass ratio of sodium acryloyldimethyl taurate, water and sodium peroxydisulfate is 50:40:1；
B 2-(Acryloyloxy)ethanol is added in the solution in step (a) and carries out polyreaction by (); obtain 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers; wherein 2-(Acryloyloxy)ethanol is 1:1 with the mass ratio of sodium acryloyldimethyl taurate, and under the conditions of 85 DEG C, polymerization reaction time is 3.5 h；
C () weighs 25 parts of Calcium d-tartrates, 10 parts of glycerol polymethacrylates, 10 parts of allantoin and 40 parts of water stirring and dissolving according to above-mentioned mass fraction uniform, obtains the aqueous phase of without phosphorus compound corrosion inhibiting and descaling agent；
D 20 parts of octadecyl glycosides, 10 parts of BTAs, 20 parts of methyl-monosilane alcohol and 25 parts of water are uniformly mixing to obtain the Emulsion Phase of without phosphorus compound corrosion inhibiting and descaling agent by () the most successively；
E the Emulsion Phase obtained in step (d) is added in the aqueous phase in step (c) by (); then 2-(Acryloyloxy)ethanol/the sodium acryloyldimethyl taurate copolymers prepared it is sequentially added in 4 parts of Bis(hydroxymethyl)imidazolidinyl urea and 15 parts of steps (b); stir and be heated to 40 DEG C and carry out emulsion reaction 2 h, obtain without phosphorus compound corrosion inhibiting and descaling agent.
Corrosion inhibiting and descaling agent good dispersion prepared by the present embodiment, water treatment efficiency is excellent, shelf-stable, seal in the case of unglazed photograph and preserve 3 years, there is not significant change in the performance of liquid and indices, environment, through solar exposure decomposable asymmetric choice net, will not be produced and pollute by the waste liquid after corrosion inhibiting and descaling agent use is invalid.
Test the corrosion mitigating effect of the high-efficient corrosion inhibitor obtained in the present embodiment according to the rotary hanging plate method of standard GB/T 18,175 2000 regulation, step is as follows:
Experiment material is aluminum (model 3003), II type standard lacing film, and specification is 50mm × 25mm × 2mm, area 28cm2.Lacing film used is all polished step by step through abrasive paper for metallograph, then dries up with acetone cleaning, cold wind after distilled water, washes of absolute alcohol again, is placed in exsiccator 24 more than h, standby.
Experiment uses weight-loss method, experimental temperature 50 DEG C.The linear velocity that test piece rotates is maintained at 0.35 m/s(70 r/min), 72 hours time, lacing film presses GB/T
18175 2000 methods are weighed after processing, then are calculated as follows the rate of corrosion V of lacing film:
V(mm/a)=8.76 × 104 △ W/s t ρ
In formula: △ W is the weightlessness (g) of lacing film, s is the surface area (cm of lacing film2), t is the time (h), and ρ is lacing film density (g/m3).
Then the corrosion inhibiter corrosion inhibition rate E to aluminum it is calculated as follows:
E(%)=100 (V0-
Vc)/V0
In formula: V0For blank rate of corrosion, VcRate of corrosion for given corrosion inhibiter.
Testing liquid is 8% sodium hydroxide solution added with the without phosphorus compound corrosion-mitigation scale-inhibition in the present embodiment and blank, and test result shows, when in solution, the concentration of corrosion inhibiter is 400 ppm, the corrosion inhibition rate to aluminum is 97.2%.
Embodiment
2
A kind of without phosphorus compound corrosion inhibiting and descaling agent, the mass fraction of its constituent and each component is: 20 parts of Calcium d-tartrates, 15 parts of octadecyl glycosides, 8 parts of BTAs, 3 parts of Bis(hydroxymethyl)imidazolidinyl urea, 15 parts of methyl-monosilane alcohol, 15 parts of allantoin, 12 parts of 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 8 parts of glycerol polymethacrylates, 60 parts of water.
The preparation method of above-mentioned a kind of without phosphorus compound corrosion inhibiting and descaling agent, the steps include:
A () adds sodium acryloyldimethyl taurate, water and initiator in reaction bulb and stirs; it is then heated to 80 DEG C; wherein, initiator is tert-butyl hydroperoxide, and the mass ratio of sodium acryloyldimethyl taurate, water and tert-butyl hydroperoxide is 55:40:1；
B 2-(Acryloyloxy)ethanol is added in the solution in step (a) and carries out polyreaction by (); obtain 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers; wherein 2-(Acryloyloxy)ethanol is 1.2:1 with the mass ratio of sodium acryloyldimethyl taurate, and under the conditions of 80 DEG C, polymerization reaction time is 4 h；
C () weighs 20 parts of Calcium d-tartrates, 8 parts of glycerol polymethacrylates, 15 parts of allantoin and 40 parts of water stirring and dissolving according to above-mentioned mass fraction uniform, obtains the aqueous phase of without phosphorus compound corrosion inhibiting and descaling agent；
D 15 parts of octadecyl glycosides, 8 parts of BTAs, 15 parts of methyl-monosilane alcohol and 20 parts of water are uniformly mixing to obtain the Emulsion Phase of without phosphorus compound corrosion inhibiting and descaling agent by () the most successively；
E the Emulsion Phase obtained in step (d) is added in the aqueous phase in step (c) by (); then 2-(Acryloyloxy)ethanol/the sodium acryloyldimethyl taurate copolymers prepared it is sequentially added in 3 parts of Bis(hydroxymethyl)imidazolidinyl urea and 12 parts of steps (b); stir and be heated to 45 DEG C and carry out emulsion reaction 1.5 h, obtain without phosphorus compound corrosion inhibiting and descaling agent.
Corrosion inhibiting and descaling agent good dispersion prepared by the present embodiment, water treatment efficiency is excellent, shelf-stable, seal in the case of unglazed photograph and preserve 3 years, there is not significant change in the performance of liquid and indices, environment, through solar exposure decomposable asymmetric choice net, will not be produced and pollute by the waste liquid after corrosion inhibiting and descaling agent use is invalid.
The efficient inhibition without the compound corrosion inhibiting and descaling agent of phosphine obtained in detection the present embodiment and scale-inhibiting properties, its step is with embodiment 1, and test result shows, when in solution, the concentration of corrosion inhibiter is 550 ppm, the corrosion-mitigation scale-inhibition rate to aluminum is 98.5%.
Embodiment
3
A kind of without phosphorus compound corrosion inhibiting and descaling agent, the mass fraction of its constituent and each component is: 30 parts of Calcium d-tartrates, 10 parts of octadecyl glycosides, 12 parts of BTAs, 5 parts of Bis(hydroxymethyl)imidazolidinyl urea, 17 parts of methyl-monosilane alcohol, 13 parts of allantoin, 14 parts of 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 9 parts of glycerol polymethacrylates, 70 parts of water.
The preparation method of above-mentioned a kind of without phosphorus compound corrosion inhibiting and descaling agent, the steps include:
A () adds sodium acryloyldimethyl taurate, water and initiator in reaction bulb and stirs, be then heated to 90 DEG C, and wherein, initiator is sodium peroxydisulfate, and the mass ratio of sodium acryloyldimethyl taurate, water and sodium peroxydisulfate is 60:35:1；
B 2-(Acryloyloxy)ethanol is added in the solution in step (a) and carries out polyreaction by (); obtain 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers; wherein 2-(Acryloyloxy)ethanol is 1.5:1 with the mass ratio of sodium acryloyldimethyl taurate, and under the conditions of 90 DEG C, polymerization reaction time is 3 h；
C () weighs 30 parts of Calcium d-tartrates, 9 parts of glycerol polymethacrylates, 13 parts of allantoin and 45 parts of water stirring and dissolving according to above-mentioned mass fraction uniform, obtains the aqueous phase of without phosphorus compound corrosion inhibiting and descaling agent；
D 10 parts of octadecyl glycosides, 12 parts of BTAs, 17 parts of methyl-monosilane alcohol and 25 parts of water are uniformly mixing to obtain the Emulsion Phase of without phosphorus compound corrosion inhibiting and descaling agent by () the most successively；
E the Emulsion Phase obtained in step (d) is added in the aqueous phase in step (c) by (); then 2-(Acryloyloxy)ethanol/the sodium acryloyldimethyl taurate copolymers prepared it is sequentially added in 5 parts of Bis(hydroxymethyl)imidazolidinyl urea and 14 parts of steps (b); stir and be heated to 50 DEG C and carry out emulsion reaction 1 h, obtain without phosphorus compound corrosion inhibiting and descaling agent.
Corrosion inhibiting and descaling agent good dispersion prepared by the present embodiment, water treatment efficiency is excellent, shelf-stable, seal in the case of unglazed photograph and preserve 3 years, there is not significant change in the performance of liquid and indices, environment, through solar exposure decomposable asymmetric choice net, will not be produced and pollute by the waste liquid after corrosion inhibiting and descaling agent use is invalid.
The efficient inhibition without the compound corrosion inhibiting and descaling agent of phosphine obtained in detection the present embodiment and scale-inhibiting properties, its step is with embodiment 1, and test result shows, when in solution, the concentration of corrosion inhibiter is 600 ppm, the corrosion-mitigation scale-inhibition rate to aluminum is 99.3%.
Claims (4)
1. a without phosphorus compound corrosion inhibiting and descaling agent, the mass fraction of its constituent and each component is: 20-30 part Calcium d-tartrate,
10-20 part octadecyl glycosides, 8-12 part BTA, 3-5 part Bis(hydroxymethyl)imidazolidinyl urea, 15-20 part methyl
Silanol, 10-15 part allantoin, 12-15 part 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers, 8-10 part glycerol
Polymethacrylates, 60-70 part water.
The without phosphorus compound corrosion inhibiting and descaling agent of one the most according to claim 1, it is characterised in that: the matter of described each component
Amount number is: 25 parts of Calcium d-tartrates, 20 parts of octadecyl glycosides, 10 parts of BTAs, 4 parts of double (methylol) imidazolidines
Base urea, 20 parts of methyl-monosilane alcohol, 10 parts of allantoin, 15 parts of 2-(Acryloyloxy)ethanol/sodium acryloyldimethyl taurate copolymers,
10 parts of glycerol polymethacrylates, 65 parts of water.
3. the application in metallic article corrosion-resistant field of a kind of without phosphorus compound corrosion inhibiting and descaling agent described in claim 1.
4. the application in the antirust field of metallic article of a kind of without phosphorus compound corrosion inhibiting and descaling agent described in claim 1.
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