CN108787401A - The painting method of tension and the high stainless steel surface nylon coating of yield strength - Google Patents

The painting method of tension and the high stainless steel surface nylon coating of yield strength Download PDF

Info

Publication number
CN108787401A
CN108787401A CN201810594775.4A CN201810594775A CN108787401A CN 108787401 A CN108787401 A CN 108787401A CN 201810594775 A CN201810594775 A CN 201810594775A CN 108787401 A CN108787401 A CN 108787401A
Authority
CN
China
Prior art keywords
workpiece
nylon
priming paint
stainless steel
methacrylate
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
Application number
CN201810594775.4A
Other languages
Chinese (zh)
Inventor
路璐
杨玉宁
夏逸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paragon Medical Equipment (changzhou) Co Ltd
Original Assignee
Paragon Medical Equipment (changzhou) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Paragon Medical Equipment (changzhou) Co Ltd filed Critical Paragon Medical Equipment (changzhou) Co Ltd
Priority to CN201810594775.4A priority Critical patent/CN108787401A/en
Publication of CN108787401A publication Critical patent/CN108787401A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
    • B05D1/24—Applying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102—Pretreatment of metallic substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/546—No clear coat specified each layer being cured, at least partially, separately
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/002—Priming paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/10—Metallic substrate based on Fe
    • B05D2202/15—Stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2350/00—Pretreatment of the substrate
    • B05D2350/30—Change of the surface
    • B05D2350/33—Roughening
    • B05D2350/35—Roughening by chemical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2451/00—Type of carrier, type of coating (Multilayers)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2502/00—Acrylic polymers
    • B05D2502/005—Acrylic polymers modified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2505/00—Polyamides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The present invention relates to a kind of painting methods of the high stainless steel surface nylon coating of tension and yield strength, include the following steps：A. it pre-processes；Workpiece is impregnated in an acidic solution；B. basecoat paint；To workpiece surface spraying priming paint；C. drying heating：By solidifying priming paint and workpiece preheating；D. nylon coated：The workpiece of preheating is immersed in nylon powder so that nylon powder forms nylon coating in workpiece surface；E. levelling, it is cooling.Stainless steel surface nylon coated method coating adhesion of the present invention is good, durable.

Description

The painting method of tension and the high stainless steel surface nylon coating of yield strength
Technical field
The present invention relates to a kind of method of stainless steel surface nylon coated, especially a kind of tension and yield strength are high not The painting method of rust steel surface nylon coating.
Background technology
Currently, coating nylon on metal surface, generally uses high pressure electrostatic painting method, this method that can make the gold of complicated shape It is uneven to belong to the covering of rack surface nylon layer, will produce bottom drain phenomenon, while requirement is not achieved in the adhesive force of coating, repeatedly It will produce blistering or decortication phenomenon after high-temperature sterilization disinfection, be absolutely unacceptable in medical device industry.
Invention content
The technical problem to be solved by the present invention is to propose that a kind of coating adhesion is good, long-lived stainless steel surface Buddhist nun Imperial painting method, and pass through product made from the method.
A kind of technical solution that the present invention proposes to solve above-mentioned technical problem is：A kind of stainless steel surface nylon coated side Method includes the following steps：
A. it pre-processes；Workpiece is impregnated into 20min~25min in an acidic solution, the ingredient of the acid solution be 3wt%~ The hydrochloric acid of 5wt%, the nitric acid of 5wt%~8wt%, the ethanedioic acid of 2wt%~3wt%, remaining is water；
B. basecoat paint；The priming paint for being 10 μm to 30 μm to workpiece surface spraying thickness, the priming paint is by following mass percent Component mix：Amino modified acrylate 20%~30%, methacrylate 15%~20% are nano-silicon dioxide modified Acrylate 5%~8%, curing agent 0.3%~2%, silane coupling agent 5%~10%, dispersant 8%~15%, remaining is organic solvent；
C. drying heating：It is 5min~6min in 250 DEG C~280 DEG C of baking oven that workpiece, which is placed in temperature, so that solidifying priming paint and Workpiece preheats；
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 3s~6s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 100 μm to 500 μm；
E. levelling, it is cooling.
The mass percentage content of amino modified acrylate is 25%~28% in the priming paint, the matter of methacrylate It is 18%~20% to measure degree, and the mass percentage content of nano-silicon dioxide modified acrylic ester is 7%~8%.
The amino modified acrylate is aliphatic urethane acrylate.
The methacrylate is hydroxyethyl methacrylate, methyl methacrylate or dimethacrylate second two Ester；
The organic solvent is one or more in N-butyl, ethyl acetate, ethyl alcohol and acetone.
The curing agent is Isocyanates curing agent；
The dispersant is fatty alcohol polyoxyethylene ether.
Workpiece is first carried out to deburring, sandblasting, bending processing successively in the step A, then is impregnated in an acidic solution.
In the step E, the planarization on surface is checked after workpiece cooling, then packaging and storage.
A kind of technical solution that the present invention proposes to solve above-mentioned technical problem is：It is a kind of to use above-mentioned stainless steel surface Buddhist nun Product obtained by imperial painting method.
The present invention has the effect of positive：The method that the stainless steel surface nylon coated method of the present invention uses acid corrosion Both the impurity for having washed away surface obtains the roughness of needs further through pore corrosion so that the painting of stainless steel substrate and surface Layer combination is even closer, and does not interfere with the dimensional accuracy of workpiece.The stainless steel surface nylon coated method of the present invention uses Special priming paint, adhesive force is good, excellent combination property so that the combination of stainless steel substrate and nylon coating is more secured.It is made Medical device box stent surface smoothing it is thick and solid, make supported equipment surfaces will not be by scratch or friction.Wearability is not 3 times or more of rust steel, tension and yield strength are high, and holder can be remained intact by 30 degree of coating surfaces of bending, 25 continuous high temperatures Sterilizing test, any deformation does not occur, can be durable by 2000 hours salt spray tests.
Specific implementation mode
Embodiment 1
The stainless steel surface nylon coated method of the present embodiment, including step in detail below：
A. it pre-processes；Workpiece is first carried out to deburring, sandblasting, bending processing successively, then workpiece is impregnated in an acidic solution 22min, the ingredient of the acid solution are the hydrochloric acid of 5wt%, and the nitric acid of 7wt%, the ethanedioic acid of 2.5wt%, remaining is water.It is acid Solution can remove the impurity of workpiece surface, while carry out pore corrosion to workpiece surface, form 12 μm to 18 μm of micropore, make Obtaining workpiece surface has certain roughness, and cost is relatively low compared with blasting craft, and can ensure that workpiece will not deform, will not Influence dimensional accuracy.It is tested using above-mentioned special acid solution, the bond strength of follow-up coating is not up to when being less than 20min To requirement, coating can be caused the case where out-of-flatness locally occur when more than 25min, therefore, workpiece impregnates in an acidic solution Time preferred 20min to 25min.
B. basecoat paint；The priming paint for being 25 μm to 30 μm to workpiece surface spraying thickness, the priming paint is by following quality hundred The component of ratio is divided to mix：Amino modified acrylate 26%, methacrylate 18%, nano-silicon dioxide modified acrylic Ester 8%, curing agent 1.5%, silane coupling agent 8%, dispersant 10%, remaining is organic solvent.
Wherein, amino modified acrylate use Zhongshan city's Ke Tian Electron Material Co., Ltd trade mark for 3295 aliphatic Urethane acrylate.Nano-silicon dioxide modified acrylic ester is by acrylic resin and the nanometer for accounting for acrylic resin dosage 6% Silicon dioxide gel is combined.Methacrylate uses hydroxyethyl methacrylate.Silane coupling agent is KH550.It is organic Solvent is ethyl acetate.Curing agent is TDI tripolymers.Dispersant is fatty alcohol polyoxyethylene ether.
Aliphatic urethane acrylate is conducive to improve the flexibility and elasticity of adhesive force and coating.Nanometer titanium dioxide Fluorine-silicon modified acrylic ester is conducive to reinforce the physical mechanical strength of coating, improves bend-resistance.The base paint formulation dispersion effect is good, With suitable surface tension and film forming.
C. drying heating：Workpiece is placed in 5min in the baking oven that temperature is 280 DEG C so that solidifying priming paint and workpiece preheating. The temperature of workpiece surface commonly reaches 230 DEG C or so.
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 3s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 150 μm.Also fluidized bed dipping technique can be replaced with electrostatic painting process.
E. levelling, it is cooling, the planarization of workpiece surface is checked, then packaging and storage.
Embodiment 2
The stainless steel surface nylon coated method of the present embodiment, including step in detail below：
A. it pre-processes；Workpiece is first carried out to deburring, sandblasting, bending processing successively, then workpiece is impregnated in an acidic solution 25min, the ingredient of the acid solution are the hydrochloric acid of 4wt%, and the nitric acid of 6wt%, the ethanedioic acid of 3wt%, remaining is water.
B. basecoat paint；The priming paint for being 15 μm to 20 μm to workpiece surface spraying thickness, the priming paint is by following quality hundred The component of ratio is divided to mix：Amino modified acrylate 25%, methacrylate 19%, nano-silicon dioxide modified acrylic Ester 7%, curing agent 1.2%, silane coupling agent 10%, dispersant 12%, remaining is organic solvent.
C. drying heating：Workpiece is placed in 5min in the baking oven that temperature is 280 DEG C so that solidifying priming paint and workpiece preheating.
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 6s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 300 μm.
E. levelling, it is cooling, the planarization of workpiece surface is checked, then packaging and storage.
Embodiment 3
The stainless steel surface nylon coated method of the present embodiment, including step in detail below：
A. it pre-processes；Workpiece is first carried out to deburring, sandblasting, bending processing successively, then workpiece is impregnated in an acidic solution 20min, the ingredient of the acid solution are the hydrochloric acid of 3wt%, and the nitric acid of 8wt%, the ethanedioic acid of 3wt%, remaining is water.
B. basecoat paint；The priming paint for being 25 μm to 30 μm to workpiece surface spraying thickness, the priming paint is by following quality hundred The component of ratio is divided to mix：Amino modified acrylate 28%, methacrylate 20%, nano-silicon dioxide modified acrylic Ester 7.5%, curing agent 1.5%, silane coupling agent 9%, dispersant 11%, remaining is organic solvent.
C. drying heating：Workpiece is placed in 5min in the baking oven that temperature is 280 DEG C so that solidifying priming paint and workpiece preheating.
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 3s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 150 μm.
E. levelling, it is cooling, the planarization of workpiece surface is checked, then packaging and storage.
Embodiment 4
The stainless steel surface nylon coated method of the present embodiment, including step in detail below：
A. it pre-processes；Workpiece is first carried out to deburring, sandblasting, bending processing successively, then workpiece is impregnated in an acidic solution 20min, the ingredient of the acid solution are the hydrochloric acid of 4.5wt%, and the nitric acid of 6wt%, the ethanedioic acid of 2wt%, remaining is water.
B. basecoat paint；The priming paint for being 12 μm to 18 μm to workpiece surface spraying thickness, the priming paint is by following quality hundred The component of ratio is divided to mix：Amino modified acrylate 27%, methacrylate 19%, nano-silicon dioxide modified acrylic Ester 8%, curing agent 1.5%, silane coupling agent 8%, dispersant 10%, remaining is organic solvent.
C. drying heating：Workpiece is placed in 5min in the baking oven that temperature is 280 DEG C so that solidifying priming paint and workpiece preheating.
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 6s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 300 μm.
E. levelling, it is cooling, the planarization of workpiece surface is checked, then packaging and storage.
Embodiment 5
The stainless steel surface nylon coated method of the present embodiment, including step in detail below：
A. it pre-processes；Workpiece is first carried out to deburring, sandblasting, bending processing successively, then workpiece is impregnated in an acidic solution 25min, the ingredient of the acid solution are the hydrochloric acid of 3.5wt%, and the nitric acid of 5wt%, the ethanedioic acid of 3wt%, remaining is water.
B. basecoat paint；The priming paint for being 25 μm to 30 μm to workpiece surface spraying thickness, the priming paint is by following quality hundred The component of ratio is divided to mix：Amino modified acrylate 26%, methacrylate 19%, nano-silicon dioxide modified acrylic Ester 7.5%, curing agent 1.2%, silane coupling agent 5%, dispersant 15%, remaining is organic solvent.
C. drying heating：Workpiece is placed in 5min in the baking oven that temperature is 280 DEG C so that solidifying priming paint and workpiece preheating.
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 3s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 150 μm
E. levelling, it is cooling, the planarization of workpiece surface is checked, then packaging and storage.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to the present invention The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.

Claims (1)

1. a kind of stainless steel surface nylon coated method, includes the following steps：
A. it pre-processes；Workpiece is impregnated into 20min~25min in an acidic solution, the ingredient of the acid solution be 3wt%~ The hydrochloric acid of 5wt%, the nitric acid of 5wt%~8wt%, the ethanedioic acid of 2wt%~3wt%, remaining is water；
B. basecoat paint；The priming paint for being 10 μm to 30 μm to workpiece surface spraying thickness, the priming paint is by following mass percent Component mix：Amino modified acrylate 20%~30%, methacrylate 15%~20% are nano-silicon dioxide modified Acrylate 5%~8%, curing agent 0.3%~2%, silane coupling agent 5%~10%, dispersant 8%~15%, remaining is organic solvent；
C. drying heating：It is 5min~6min in 250 DEG C~280 DEG C of baking oven that workpiece, which is placed in temperature, so that solidifying priming paint and Workpiece preheats；
D. nylon coated：Using fluidized bed dipping technique, the workpiece of preheating is immersed into 3s~6s in nylon powder so that nylon powder exists Workpiece surface forms the nylon coating that thickness is 100 μm to 500 μm；
E. levelling, it is cooling；
The mass percentage content of amino modified acrylate is 25%~28% in the priming paint, the quality hundred of methacrylate It is 18%~20% to divide than content, and the mass percentage content of nano-silicon dioxide modified acrylic ester is 7%~8%；
The methacrylate is Ethylene-glycol-dimethacrylate；
The organic solvent is acetone；
The curing agent is Isocyanates curing agent；
The dispersant is fatty alcohol polyoxyethylene ether；
Workpiece is first carried out to deburring, sandblasting, bending processing successively in the step A, then is impregnated in an acidic solution；
In the step E, the planarization on surface is checked after workpiece cooling, then packaging and storage.
CN201810594775.4A 2016-02-05 2016-02-05 The painting method of tension and the high stainless steel surface nylon coating of yield strength Pending CN108787401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810594775.4A CN108787401A (en) 2016-02-05 2016-02-05 The painting method of tension and the high stainless steel surface nylon coating of yield strength

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810594775.4A CN108787401A (en) 2016-02-05 2016-02-05 The painting method of tension and the high stainless steel surface nylon coating of yield strength
CN201610081805.2A CN105694704B (en) 2016-02-05 2016-02-05 Stainless steel surface nylon coated method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201610081805.2A Division CN105694704B (en) 2016-02-05 2016-02-05 Stainless steel surface nylon coated method

Publications (1)

Publication Number Publication Date
CN108787401A true CN108787401A (en) 2018-11-13

Family

ID=56223088

Family Applications (5)

Application Number Title Priority Date Filing Date
CN201810594777.3A Pending CN109013252A (en) 2016-02-05 2016-02-05 A kind of Medical device box bracket
CN201810594775.4A Pending CN108787401A (en) 2016-02-05 2016-02-05 The painting method of tension and the high stainless steel surface nylon coating of yield strength
CN201810594122.6A Pending CN108787396A (en) 2016-02-05 2016-02-05 Long-lived stainless steel surface nylon coating
CN201610081805.2A Active CN105694704B (en) 2016-02-05 2016-02-05 Stainless steel surface nylon coated method
CN201810593776.7A Pending CN108970947A (en) 2016-02-05 2016-02-05 The surface nylon coated method of Medical device box bracket

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201810594777.3A Pending CN109013252A (en) 2016-02-05 2016-02-05 A kind of Medical device box bracket

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN201810594122.6A Pending CN108787396A (en) 2016-02-05 2016-02-05 Long-lived stainless steel surface nylon coating
CN201610081805.2A Active CN105694704B (en) 2016-02-05 2016-02-05 Stainless steel surface nylon coated method
CN201810593776.7A Pending CN108970947A (en) 2016-02-05 2016-02-05 The surface nylon coated method of Medical device box bracket

Country Status (1)

Country Link
CN (5) CN109013252A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106622850A (en) * 2016-11-25 2017-05-10 重庆澳菱工贸有限公司 Compensation chain plastic dipping process
CN107350216A (en) * 2017-06-26 2017-11-17 重庆正峰电子有限公司 A kind of new clear-coated cleaning product technique
CN111604248A (en) * 2020-06-17 2020-09-01 江苏倍科装饰材料科技有限公司 Production process of color-coated aluminum coil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1746236A (en) * 2005-08-25 2006-03-15 复旦大学 High-performance organic-inorganic resin coating material with hybrid acrylic ester and production thereof
CN102746785A (en) * 2011-04-19 2012-10-24 比亚迪股份有限公司 Dual-cured coating composition and curing method thereof
CN104056767A (en) * 2013-03-22 2014-09-24 派瑞格医疗器械（常州）有限公司 Method for spraying nylon on metal surface

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51134731A (en) * 1975-05-19 1976-11-22 Toyo Kohan Co Ltd Preparation of coated metal plates
JP2001019901A (en) * 1999-07-07 2001-01-23 Nippon Paint Co Ltd Thermosetting power coating composition and powder coating method using the same
JP2002233819A (en) * 2001-02-08 2002-08-20 Nippon Paint Co Ltd Powder coating method of steel and powder coated steel
US7238731B2 (en) * 2004-03-08 2007-07-03 Ecology Coating, Inc. Environmentally friendly coating compositions for coating metal objects, coated objects therefrom, and methods, processes and assemblages for coating thereof
CN101215438B (en) * 2008-01-03 2010-12-08 海门市森达装饰材料有限公司 Anti-soiling aging-resisting stainless steel paint and preparation method thereof
CN102031032B (en) * 2009-09-30 2013-09-25 西安轨道交通装备有限责任公司 Protective coating for surface of stainless steel plate and protecting method for stainless steel surface
CN102321399B (en) * 2011-08-09 2013-10-23 江门四方威凯精细化工有限公司 Ultraviolet-infrared double curing varnish coating and preparation method thereof
CN102898941B (en) * 2012-11-02 2014-12-03 南京工程学院 Modified nylon powder coating and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1746236A (en) * 2005-08-25 2006-03-15 复旦大学 High-performance organic-inorganic resin coating material with hybrid acrylic ester and production thereof
CN102746785A (en) * 2011-04-19 2012-10-24 比亚迪股份有限公司 Dual-cured coating composition and curing method thereof
CN104056767A (en) * 2013-03-22 2014-09-24 派瑞格医疗器械（常州）有限公司 Method for spraying nylon on metal surface

Also Published As

Publication number Publication date
CN108787396A (en) 2018-11-13
CN105694704B (en) 2018-06-01
CN108970947A (en) 2018-12-11
CN105694704A (en) 2016-06-22
CN109013252A (en) 2018-12-18

Similar Documents

Publication Publication Date Title
CN105694704B (en) Stainless steel surface nylon coated method
CN103586190B (en) Aluminum alloy melt tank car coating process
CN105964510A (en) Varnish-baking surface coating technology
CN111250375A (en) Water-based paint coating process for thick steel plate
CN104004439B (en) The sprayed coating of a kind of anticorrosion oil rub resistance and spraying method
CN102489435A (en) Coating process for vehicle wheel with finish-tuned and polished surface
CN102935423A (en) Metal surface preservative treatment method
CN108953001A (en) A kind of outer heat shield production method of solid propellant rocket
CN101967667A (en) Physical pretreatment and electrophoresis coating process of aluminum magnesium alloy
CN102019731B (en) Fingerprint-resistant wire drawing board
CN107345298A (en) A kind of processing method of bearing ring part phosphatization
CN103586187A (en) Coating process for exported oil truck
JP2011256378A (en) Active energy ray-curable coating composition for pre-coated metal and method for manufacturing pre-coated metal using the composition
CN112122087A (en) Spraying preparation method for aluminum profile processing
CN106238293A (en) A kind of wear resistant automobile car door lacquer spraying technique
KR101223412B1 (en) Multilayer coating film with excellent anti-fingerprint property and product with the same
KR100779744B1 (en) Hydraulic transfer method and hydraulically transferred body
CN106238296A (en) Spraying method is painted outside a kind of car door
CN109433545A (en) Iron plate finishing coat spraying process
CN105149176A (en) Adhesive coating technique for polyurethane screen framework
CN109499821A (en) A kind of cable testing bridge plastic-spraying process for upsetting
CN105713497A (en) Immediate restoration paint for mobile terminal and spraying method thereof
CN105032730B (en) A kind of special long-life strong adhesive force coating process of commercial car
JP6065458B2 (en) Metal grating for use in reactor containment
US20060263526A1 (en) Method of protectively coating a workpiece, and product which is produced thereby

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181113