CN104328392A - Coating type chemical plating method based on low-temperature plating liquid - Google Patents

Coating type chemical plating method based on low-temperature plating liquid Download PDF

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Publication number
CN104328392A
CN104328392A CN201410604352.8A CN201410604352A CN104328392A CN 104328392 A CN104328392 A CN 104328392A CN 201410604352 A CN201410604352 A CN 201410604352A CN 104328392 A CN104328392 A CN 104328392A
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Prior art keywords
coating
plating
workpiece
type chemical
temperature
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CN201410604352.8A
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Inventor
吕旺燕
张永君
刘世念
苏伟
钱艺华
陶胜
赵翠玲
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South China University of Technology SCUT
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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South China University of Technology SCUT
Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Priority to CN201410604352.8A priority Critical patent/CN104328392A/en
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)

Abstract

The invention discloses a coating type chemical plating method based on a low-temperature plating liquid. The coating type chemical plating method comprises the following four main steps: (1) finishing the surface; (2) preheating the surface; (3) activating before plating; and (4) coating and plating, wherein the step of surface preheating is performed in a saturated steam, over-heated steam, electromagnetic induction, infrared or flame heating mode; the step of coating and plating is performed in a brush coating, roller coating, applying coating, wrapping coating, spraying coating or casting coating mode. The coating type chemical plating method breaks the constraint of a conventional 'immersion' type chemical plating mode and has the characteristics that the materials and the energy are saved, the emission is reduced, the environment is protected, the application is flexible, and the application range is wide. By adopting the coating type chemical plating method disclosed by the invention, the overall surface or a specific part of a workpiece can be metalized, and thus the purposes of surface intensification, decoration or remediation on corrosion, abrasion and super-poor surface, and particularly on-line remediation, are achieved.

Description

A kind of cloth of coating-type chemical plating method based on low temperature plating solution
Technical field
The invention belongs to material corrosion and protection works, material surface process engineering and manufacture (reparation) field of engineering technology again, particularly relating to a kind of cloth of coating-type electroless plating novel method based on low temperature plating solution.
Background technology
Electroless plating is also known as electroless-plating (Electroless plating) or autocatalytic plating (Autocatalytic Plating), utilize autocatalysis principle, make the catalyzed reduction under the effect of strong reductant of the metal ion in plating solution, at the surface engineering technology of matrix surface in-situ deposition compact metal/alloy layer.
As the new and high technology that one is principal character with " stack shaping, Layered manufacturing ", the main advantage of electroless plating is: one, can significantly improve the solidity to corrosion of material, hardness and wear resistance, thermotolerance, weldability, platability and electroconductibility and many performances such as ornamental, and coating/matrix combines firmly.Its two, accessible base material object is extensive, comprises most metallic substance such as gold and silver, copper, iron, tin, zinc, magnesium, aluminium and titanium, and the non-metallic material such as plastics, rubber, glass, pottery, fiber and timber.Its three, plating conditions is gentle, low to temperature requirement, belongs to low temperature liquid phase forming technique, avoids high-temperature phase-change and embrittlement and interface residual thermal stress and thermal strain, to the structure and properties of base material without negative impact (as heat affecting).Its four, not by the restriction of workpiece shapes and size, can big area plating, all plate, covering power is strong, profiling excellent, is therefore specially adapted to the surface Hardening Treatment of the high fine pieces of complicated shape, dark/blind hole inwall and accuracy requirement and main equipment.Its five, plating process, without the need to impressed current, fundamentally overcomes relevant various disadvantages uneven with electric current distribution.Its six, simple process, to special equipment no dependence, with low cost, easily realize batch production.In addition, coating especially amorphous deposit there is the features such as surface energy is low, wettability is poor, therefore, it is possible to significantly improve the anti-soil scale-inhibiting properties of material; Heat transfer coefficient and the body material of metallicity coating are close, not only heat transfer efficiency can not be reduced, and due to drop-wise condensation (high several times even tens times of the conventional filmwise condensation of its ratio of heat transfer coefficient) can be realized, be therefore expected to the heat transfer property significantly improving material.
Because technology is superior, electroless plating technology is high speed development always since birth, and outshines othersOne branch of the tree is particularly thriving in the Corrosion and protection project of the industries such as aerospace, military affairs, nuclear energy, communication, electronics, automobile, electric power, oil, chemical industry, machinery, five metals, food and medicine equipment, Surface Engineering and Rebuilding engineering field.Vital role has been played in the preparation etc. of anti-corrosion, the Wear-resistant Treatment of petroleum chemical enterprise's heat exchanger tubes such as generator copper tube in coalescer, refinery, gas packed packaging container, hydraulic cylinder piston rod, printing press rubber roll, large-size reactor, draught fan impeller, hot blast valve of blast furnace valve rod, tool and mould etc. and circuit pattern metallization, new type ammunition wrapping material and Electromagnetically shielding fabrics.Except strengthening for conventional surface, electroless plating also obtain successful Application at the high-technology field such as reparation on the wearing and tearing of high level instruments/equipment burn into or overproof surface, the green of scrapping cylinder and axle, bridge and spline etc. as tank, motor car engine " manufactures " again, the reparation of aerospace ultra-high-speed test research equipment, plane aluminium alloy structural part and printing cylinder and oil pipe, hydraulicvalve spool, mining equiment etc.
Up to now, existing electroless plating technology, still based on " immerseable " (immersion plating) rack plating or barrel plating, is soaked in the container of splendid attire plating solution by whole workpiece or part and completes plating process.Above-mentioned tupe, the process of the workpiece of, complex geometry little for volume is especially for batch processing, not only feasible, and efficiently.But, when running into 1) large-scale workpiece is (as large heat exchanger, reactor, traction wheel etc. on cable machinery ensemble) electroless plating especially local chemical plating, 2) be difficult to dismounting or disassembly cost too high (as cause because of reasons such as corrosions dismounting difficulty cannot dismantle greatly even at all, or unloading process has a strong impact on usage performance and even directly causes damaging) the electroless plating of in-service high level instruments/equipment important feature part, or 3) field repair repairs especially online (as generator tube, pressure pipeline, grid equipment, aircraft skin, ship shell etc.) when using electroless plating, immerseable tupe can meet with following many puzzlements: 1) cause resource serious waste because plating solution consumption is excessive, environmental protection pressure increases severely, 2) supporting coating bath and corresponding specific equipment making/running cost too high, 3) effects of reduced temperature is excessively strong, has a strong impact on plating effect, or 4) at all cannot normally plating, etc.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of cloth of coating-type chemical plating method based on low temperature plating solution.
Concrete technical scheme is as follows:
Based on a cloth of coating-type chemical plating method for low temperature plating solution, comprise following key step:
(1) surface dressing: the wish treat surface of workpiece is polished, polishing, degreasing or cleanup acid treatment;
(2) surperficial preheating: surperficial thermal pretreatment is carried out to the workpiece surface processed through step (1), after described thermal pretreatment, the surface temperature of workpiece is between 90-180 DEG C;
(3) front activating is plated: activation treatment is carried out to the workpiece surface processed through step (2);
(4) plating is coated with: low temperature electroless plating plating solution is coated the workpiece surface processed through step (3), by fabricated in situ and the preparation having applied coating of coating material; The temperature of described low temperature electroless plating plating solution is between room temperature and T minbetween, wherein T minfor when this plating solution implements electroless plating to identical workpiece or the material of preparing this workpiece with conventional dip process corresponding minimum can plating temperature.
Wherein the method for the described surperficial thermal pretreatment of step (2) is saturation steam heating, superheated vapour heating, electromagnetic induction heating, infrared heating or flame heating.
Wherein step (4) described coating process is brushing, roller coat, spreading, wraps up in painting, spraying or flow coat.
The object of step of the present invention (1) surface dressing is to remove workpiece at processing, accumulating or remained on surface or burr (burr), grease, corrosion product and other dirt etc. that produce because of burn into pollution etc. during one's term of military service, to obtain the surface quality meeting subsequent disposal requirement.Surface dressing can any known or commercially available physics and/or chemical technology carry out.Such as: emery wheel, sand papering; Polishing cloth, oilstone polishing; The solution chemistry polishings such as sulfuric acid, hydrochloric acid, nitric acid or hydrofluoric acid, electrochemical etching; The organic solvent degreasings (oil removing) such as dehydrated alcohol, acetone or trieline, alkali cleaning degreasing, electrochemical degreasing; The pickling such as hydrochloric acid, sulfuric acid or nitric acid.For the special workpiece that there is tensile stress because of processing, friction, rectification etc., surface dressing also comprises hidden lino removal.Between each operation of surface dressing and surface dressing terminate after thoroughly should wash workpiece, with anti-cross-contamination, adoptable mode comprises distilled water or deionized water and cleans or drip washing.
Carrying out smoothly all to overcome the activated energy barrier of correlated response for prerequisite of any electroless deposition reaction.Changing one of most economical, most efficient manner of bath system activation energy is regulation and control bath temperatures.The effect of step of the present invention (2) surperficial preheating is as enough heat energy laid in advance by workpiece, guarantees after plating front activating, and low temperature plating solution can be rapidly heated to electroless plating effectively even best plating temperature window after contact workpiece surface.In other words, the object of workpiece surface preheating, even if be to guarantee electroless deposition reaction subsequently when low temperature plating solution and workpiece surface duration of contact very of short duration also can carry out smoothly.Workpiece surface preheating can adopt known or commercially available any technology, comprises the heating techniques such as the resistance of LASER HEATING and routine, charcoal.The technology such as wherein saturation steam heating, superheated vapour heating, electromagnetic induction heating, flame heating and infrared heating, because heated perimeter can being controlled at workpiece surface, and low, the workable advantages such as local fast heating and the prioritizing selection of especially can realizing of cost.During the preheating of surface, the surface temperature of workpiece is too low, be then heated to electroless plating reaction after being difficult to ensure the coating of low temperature plating solution and caused smoothly and continue the significant temp scope of carrying out; Surface temperature is too high, then plating solution coating after because being heated to excessive temperature easy unstability, therefore, after thermal pretreatment, the surface temperature control of workpiece is between 90-180 DEG C.The concrete control of workpiece surface temperature is then coated with concrete way choice and the specific requirement to plating speed, quality of coating etc. depending on the best plating temperature window of bath system used, plating solution.
Activation is one of important procedure of electroless plating treatment before plating, has material impact to electroless plating plating effect.For the matrix of self and catalytically inactive as the non-metallic material such as pottery, glass, plastics, fiber and timber and the metallic substance such as gold and silver, copper, the main purpose of activation is to form catalytic active center, electroless deposition reaction subsequently can be brought out after plating piece contacts with plating solution, as common palladium salt (PdCl 2) activation.For self there is metallic matrix that catalytic activity maybe can form catalytic activity point/face by replacement(metathesis)reaction as nickel, cobalt, platinum, iron, magnesium and aluminium etc., the Main Function of activation is to destroy and removes autoxidation film and the machining deformation layer of workpiece surface, make fresh matrix out exposed, that reacts for follow-up plating creates favorable conditions smoothly, lays the foundation for combining closely of coating/matrix simultaneously.In addition, activation treatment can also reduce the Microinhomogeneity degree of matrix surface, and flattened surface electromotive force is conducive to the formation of homogeneous coating.The process of step of the present invention (3) plating front activating can any known or commercially available technology be carried out, and comprises with known activation solution as dilute hydrochloric acid, dilute sulphuric acid and Pd 2+salt carries out wiping or spray.For portion of material and goods thereof, as non-metallic material and goods thereof such as pottery, glass, plastics, fiber and timber, for guaranteeing activation effect, Sn can be carried out as required before activation 2+deng sensitized treatment.After activation, alternative is washed, as distilled water or deionized water are cleaned or drip washing.It should be noted that workpiece of the present invention can be prepared from by above-mentioned any metallic substance or non-metallic material, therefore concrete activating process can because of material different in known technology optimum selecting.
The object of step of the present invention (4) coating plating has been that coating material is in the fabricated in situ of workpiece surface privileged site and coating.The present invention takes the diverse mode with dip process---and coating method completes plating solution to the transmission of workpiece surface or supply.Wherein said brushing, refers to the dipping of plating solution brush in the process of workpiece surface.Described roller coat, refer to the carrier using transfer roller as plating solution, plating solution forms certain thickness liquid film at roll surface, contacts with workpiece surface by transfer roller rotation process, plating solution is coated on the process of workpiece surface.Described spreading and wrap up in painting, refers to the good material of water absorbing properties if the water-absorbing material of sponge, absorbent cotton and other natural or synthetic is for carrier, will plating solution absorb after apply ointment or plaster or wrap up in the process being affixed on workpiece surface.Described spraying, refers to the process by being sprayed on workpiece surface after plating solution refinement/atomization.Described flow coat, refers to the process of being watered by plating solution and drenching in workpiece surface.
Coating plating chemical plating bath used can any known or secret formula autogamy or directly buy commercially produced product.Plating solution need be preheating in advance comparatively high temps unlike, chemical plating bath of the present invention in use without the need to preheating or only need be preheating to lower temperature with conventional dip process electroless plating.Wherein convenient, the most most economical mode at room temperature directly uses; As heated use, then only need be heated to when this plating solution implements electroless plating to identical workpiece or the material of preparing this workpiece with conventional dip process corresponding minimum can plating temperature.Wherein minimum can plating temperature refer to electroless deposition reaction cause and continue to carry out required minimum bath temperature smoothly.Other condition of coating plating, as the value level of the concrete technology parameters such as plating solution surface covered, frequency and number of times, depending on workpiece heat conductivility, electroplate liquid formulation, coating kind, plates the specific requirements such as speed, Coating and thickness thereof.After coating plating terminates, process such as cleaning, dry is preferably carried out in whole workpiece or its plating local, the plating solution of workpiece surface is remained in removing, comprise tap water and/or distilled water, deionized water scouring/drip washing, hot blast or pressurized air dry up, or easy volatile organic solvent is as dried after the scouring such as ethanol, acetone.For meeting practical application needs, also the process such as passivation, dehydrogenation can be carried out further.
Compared with prior art, advantage of the present invention is many-sided, and outstanding behaviours is in following two:
(1) saving metal material and energy, reduces discharging environmental protection
The technology of the present invention breaches the constraint of existing " immerseable " electroless plating pattern, has saving metal material and energy, reduces discharging the outstanding advantage of environmental protection.Utilize the technology of the present invention, not only can break away from the dependence to coating bath and other matching special equipment, what is more important, significantly can also reduce plating solution demand, reduce material (as chemical reagent, distilled water/deionized water) and electric energy (for heating and being incubated plating solution) consumption, significantly reduce discharging of waste liquid amount, alleviate environmental protection pressure, be conducive to cleaner production.
(2) applying flexible, of many uses
The technology of the present invention has applying flexible, broad-spectrum feature simultaneously.Utilize the technology of the present invention, not only can realize fixed point that is overall to workpiece surface or specific portion with simple instrument and strengthen or repair, and the ornamental process to workpiece can be realized, as processing LOGO or other figure ornament.For the burn into wearing and tearing of high level instruments/equipment or the fixed point reparation on overproof surface of the especially difficult dismounting of online equipment, and the high quality of large-scale workpiece, low cost surface strengthening, have more the unrivaled unique advantage of other technology.
Accompanying drawing explanation
Fig. 1 is chemical plating technology schema in embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is further elaborated, but enforcement of the present invention and protection domain are not limited thereto.
As shown in Figure 1, for the present invention is based on the cloth of coating-type chemical plating technology schema of low temperature plating solution.Chemical plating method of the present invention comprises surface dressing → surperficial preheating → plating front activating → coating plating four key step.Wherein surperficial preheating is taked to carry out in the mode of saturation steam, superheated vapour, electromagnetic induction, infrared rays or flame heating; Coating plating is taked the brushing of low temperature plating solution, roller coat, spreading, wraps up in painting, is sprayed or water the mode being applied to workpiece surface and carry out.
Below for chemical nickel phosphorus plating, above-mentioned feature of the present invention is described in further detail.
Embodiment 1
With the Q235 steel plate of size 250mm × 300mm × 2.5mm for handling object, first with hand-held emery wheel, preliminary grinding is carried out to a surf zone of its center 50mm × 50mm, then polish successively so that 400-1000# silicon carbide paper is from coarse to fine.Dip tap water successively with absorbent cotton and distilled water is cleaned, dip dehydrated alcohol with gauze again after hot blast drying and clean, dry.After being preheated to 90 DEG C with the surf zone purging of 200 DEG C of saturated vapors to above-mentioned polishing, dip 10% sulphuric acid soln with hairbrush evenly to brush and activate in preplating region, with gauze, activation solution is blotted after 30sec, and rapidly the room temperature stirred (21 DEG C) chemical plating bath (concrete formula and technique are in table 1) is evenly brushed in preplating region with hairbrush, after several seconds, visible a large amount of bubble produces, and confirms that plating process carries out smoothly.When gassing phenomenon obviously weakens, again brush plating solution.After again brushing plating solution, gassing phenomenon is also without when obviously strengthening, and carries out preheating again, and again brush plating solution with saturation steam to treatment zone after preheating terminates.As above after cyclical operation 30min, blot the residual solution of specimen surface with gauze, and clean with tap water and distilled water successively, dry up.The silvery white coating that the visible one deck of result naked eyes is complete, bright, even, fine and close.With cross-hatching, bonding force detection is carried out to coating, find that coating/matrix combines closely, without any peeling, obscission.Carry out porosity test with the 10g/L Tripotassium iron hexacyanide, 20g/L sodium chloride solution, find plated layer compact.Carry out spot test with 50ml/L sulfuric acid, 3.5% sodium-chlor and 100g/L sodium hydroxide solution respectively, in 2h, coating is not any change, and illustrates that corrosion resistance of coating is excellent.
Table 1: electroplate liquid formulation and other processing condition
Embodiment 2
Except the superheated vapour surperficial preheating method being changed into lower 250 DEG C of normal pressure, control surface preheating temperature 180 DEG C, plating solution supply mode changes into outside roller coat, the other the same as in Example 1.Treatment effect is with embodiment 1.
Embodiment 3
Except changing into hand-held mobile electromagnetic induction heater (frequency 25kHz, power 80kW) by surperficial preheating method, control surface preheating temperature 150 DEG C, plating solution supply mode changes into outside cotton spreading, the other the same as in Example 1.Treatment effect is with embodiment 1.
Embodiment 4
Except type of heating is changed into infrared heater (power 200W, surface heat power density 22kW/m 2), control surface preheating temperature 110 DEG C, plating solution supply mode changes into be wrapped up in outside painting with gauze, the other the same as in Example 1.Treatment effect is with embodiment 1.
Embodiment 5
Except type of heating being changed into oxy-acetylene flame heating, control surface preheating temperature 120 DEG C, outside plating solution supply mode changes into and to spray with atomizer, the other the same as in Example 1.Treatment effect is with embodiment 1.
Embodiment 6
Change into except manual flow coat except by plating solution supply mode, the other the same as in Example 2.Treatment effect is with embodiment 1.
Embodiment 7
Except plating solution is preheated to 53 DEG C (for when this plating solution implements electroless plating to Q235 steel with conventional dip process corresponding minimum can plating temperature) use except, the other the same as in Example 2.Treatment effect is with embodiment 1.
Embodiment 8
Except plating solution is preheated to 35 DEG C (when this plating solution implements electroless plating to Q235 steel with conventional dip process corresponding minimum can plating temperature be 53 DEG C) use except, the other the same as in Example 2.Treatment effect is with embodiment 1.
Embodiment 9
Except weldless steel tube (φ 76mm handling object being changed into long 20cm, material is No. 45 steel), treatment zone is set as that its center span access location length is the periphery of 3cm, control surface preheating temperature 100 DEG C, and change plating solution supply mode into gauze and wrap up in outside painting, the other the same as in Example 3.Treatment effect is with embodiment 1.
Embodiment 10
Except handling object being changed respectively into 1050 fine aluminiums and 3003 aluminium alloy plates, the other the same as in Example 1.Treatment effect is with embodiment 1.
Embodiment 11
Table 2: electroplate liquid formulation and other processing condition
Except changing handling object into AZ91 and AM60B magnesium alloy plate, activation solution changes 100g/LNH into 4hF 2, chemical plating bath specifically fill a prescription and technique as shown in table 2 outside, the other the same as in Example 1.Treatment effect is with embodiment 1.
Embodiment 12
Except changing handling object into copper sheet, activation solution changes 100mg/LPdCl into 2outside+50ml/LHCl, the other the same as in Example 1.Treatment effect is with embodiment 1.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (3)

1., based on a cloth of coating-type chemical plating method for low temperature plating solution, it is characterized in that comprising following key step:
(1) surface dressing: the wish treat surface of workpiece is polished, polishing, degreasing or cleanup acid treatment;
(2) surperficial preheating: surperficial thermal pretreatment is carried out to the workpiece surface processed through step (1), after described thermal pretreatment, the surface temperature of workpiece is between 90-180 DEG C;
(3) front activating is plated: activation treatment is carried out to the workpiece surface processed through step (2);
(4) plating is coated with: low temperature electroless plating plating solution is coated the workpiece surface processed through step (3), by fabricated in situ and the preparation having applied coating of coating material; The temperature of described low temperature electroless plating plating solution is between room temperature and T minbetween, wherein T minfor when this plating solution implements electroless plating to identical workpiece or the material of preparing this workpiece with conventional dip process corresponding minimum can plating temperature.
2. the cloth of coating-type chemical plating method based on low temperature plating solution according to claim 1, is characterized in that: the method for the described surperficial thermal pretreatment of step (2) is saturation steam heating, superheated vapour heating, electromagnetic induction heating, infrared heating or flame heating.
3. the cloth of coating-type chemical plating method based on low temperature plating solution according to claim 1, is characterized in that: step (4) described coating process is brushing, roller coat, spreading, wraps up in painting, spraying or flow coat.
CN201410604352.8A 2014-10-30 2014-10-30 Coating type chemical plating method based on low-temperature plating liquid Pending CN104328392A (en)

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CN109371408A (en) * 2018-09-11 2019-02-22 安徽墙煌彩铝科技有限公司 A kind of pretreatment procedure of steel plate coating technique
CN111364029A (en) * 2019-10-17 2020-07-03 横店集团东磁股份有限公司 Repairing device for large-scale shaft parts
CN112323056A (en) * 2019-07-20 2021-02-05 中国船舶重工集团公司第七二四研究所 Aluminum alloy surface wet-dressing type chemical conversion treatment process
CN115595566A (en) * 2022-11-17 2023-01-13 西华大学（Cn） Environment-friendly, energy-saving, efficient and flexible chemical plating device and method

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CN102994990A (en) * 2012-11-20 2013-03-27 嘉兴学院 Chemical spray silvering method of fabric

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CN1041400A (en) * 1988-09-27 1990-04-18 库尔脱沃兹涂料有限公司 The improvement of coating
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371408A (en) * 2018-09-11 2019-02-22 安徽墙煌彩铝科技有限公司 A kind of pretreatment procedure of steel plate coating technique
CN112323056A (en) * 2019-07-20 2021-02-05 中国船舶重工集团公司第七二四研究所 Aluminum alloy surface wet-dressing type chemical conversion treatment process
CN111364029A (en) * 2019-10-17 2020-07-03 横店集团东磁股份有限公司 Repairing device for large-scale shaft parts
CN115595566A (en) * 2022-11-17 2023-01-13 西华大学（Cn） Environment-friendly, energy-saving, efficient and flexible chemical plating device and method
CN115595566B (en) * 2022-11-17 2024-05-28 西华大学 Environment-friendly, energy-saving, efficient and flexible chemical plating device and method

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Application publication date: 20150204