CN105499107B - A kind of spring anti-corrosion material and spring method for anticorrosion treatment - Google Patents
A kind of spring anti-corrosion material and spring method for anticorrosion treatment Download PDFInfo
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- CN105499107B CN105499107B CN201610009078.9A CN201610009078A CN105499107B CN 105499107 B CN105499107 B CN 105499107B CN 201610009078 A CN201610009078 A CN 201610009078A CN 105499107 B CN105499107 B CN 105499107B
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- spring
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- anticorrosion treatment
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- 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
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- 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
- B05D3/0218—Pretreatment, e.g. heating the substrate
-
- 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
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
- B05D2506/15—Polytetrafluoroethylene [PTFE]
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Springs (AREA)
Abstract
A kind of spring anti-corrosion material and spring method for anticorrosion treatment, the anti-corrosion material is selected from water-soluble poly tetrafluoroethene or solvent type polytetrafluoroethylene (PTFE), the method for anticorrosion treatment includes the following steps: S1: pretreatment of base material: substrate is subjected to surface roughening treatment, it is then that substrate surface treatment is clean;S2: the substrate Jing Guo pre-treatment substrate preheating: is preheated into 10-60min at 20-60 DEG C;S3: coating spraying coating spraying: is carried out to the substrate Jing Guo the pre-heat treatment;S4: coating is dry: the substrate Jing Guo spray treatment being transferred in baking oven, 80-400 DEG C of solidification temperature is to slowly warm up to, keeps 20-60min at this temperature;S5: the dry substrate finished is down to room temperature, obtains the spring for having antiseptic property.Spring anti-corrosion material and spring method for anticorrosion treatment provided by the invention may make spring after processing to have superior corrosion resistance, adhesive force, wearability and processing performance.
Description
Technical field
The present invention relates to technical field of polymer materials, in particular to a kind of spring anti-corrosion material and its preservative treatment side
Method.
Background technique
Spring is one of important spare part of high-speed railway rail fastening, it mainly passes through bending and torsional deformation generates button
Pressure acts on track, guarantees that rail does not generate and is vertically and horizontally displaced, it is ensured that gauge is normal, to guarantee train driving safety.So
And complex geographical environment locating for China railways system and severe, and along with long-term mechanical shock, abrasion, stress impact, it is past
Toward that can cause to corrode to buckle accessory, it is largely affected by the service life of spring, causes great security risk.
Currently, there are mainly two types of the common preservative treatments of spring: one kind be anti-corrosion of metal handle, as multi-component alloy co-cementation,
Zincizing, Dacroment etc., these techniques are limited because of different degrees of ground contamination environment;Another kind is macromolecular antiseptic coating, such as ring
Oxygen resin, polyester, polyurethane etc., still, the adhesive force of these corrosion-inhibiting coatings and substrate are inadequate, are used for a long time or in Special zone
It is easy cracking when use, causes spring is exposed to lose antirust ability.
Summary of the invention
It is easy pollution environment and the undesirable defect of anti-corrosion effect to solve spring method for anticorrosion treatment in the prior art,
The present invention provides a kind of spring method for anticorrosion treatment, includes the following steps:
S1: pretreatment of base material: carrying out surface roughening treatment for substrate, then that substrate surface treatment is clean;
S2: the substrate Jing Guo pre-treatment substrate preheating: is preheated into 10-60min at 20-60 DEG C;
S3: coating spraying coating spraying: is carried out to the substrate Jing Guo the pre-heat treatment;
S4: coating is dry: the substrate Jing Guo spray treatment being transferred in baking oven, solidification temperature 80-400 is to slowly warm up to
DEG C, 20-60min is kept at this temperature;
S5: the dry substrate finished is down to room temperature, obtains the spring for having antiseptic property.
Wherein, in the step S1, surface roughening treatment is carried out by sandblasting or ball blast, by compressed air by substrate table
Face is blown off.
Wherein, in the step S2, the temperature of pre-treatment is between 35-45 DEG C, and the time is between 20-40min.
Wherein, in the step S3, the mode of the coating spraying is compressed air spraying or electrostatic spraying.
Wherein, in the step S4, the solidification temperature keeps 30min between 230-380 DEG C at this temperature.
Wherein, in the step S3, used coating is water-soluble poly tetrafluoroethene.
Wherein, in the step S3, used coating is solvent type polytetrafluoroethylene (PTFE).
Wherein, before operating procedure S5, by step S3 and twice of repetitive operation of step S4, wherein operated in first time
When step S4, the solidification temperature is 80-100 DEG C, when second of operating procedure S4, and the solidification temperature is 230-380 DEG C.
The present invention additionally provides a kind of spring anti-corrosion material for above-mentioned spring method for anticorrosion treatment, the anti-corrosion materials
Selected from water-soluble poly tetrafluoroethene or solvent type polytetrafluoroethylene (PTFE).
Spring anti-corrosion material and spring method for anticorrosion treatment provided by the invention may make spring after processing with excellent
Corrosion resistance, adhesive force, wearability and processing performance more.
Detailed description of the invention
Fig. 1: using adhesive force test result after treated the spring immersion of monocomponent polyurethane method for anticorrosion treatment;
Fig. 2: using adhesive force test result after method for anticorrosion treatment of the invention treated spring immersion;
Fig. 3: using adhering to after water-soluble acrylic Amino-Polyester baking vanish method for anticorrosion treatment treated spring leaching boiling water
Power test result;
Fig. 4: using treated the spring leaching of polyesters and triglycidyl isocyanurate mixture method for anticorrosion treatment
Adhesive force test result after boiling water;
Fig. 5: using adhesive force test result after monocomponent polyurethane method for anticorrosion treatment treated spring leaching boiling water;
Fig. 6: using adhesive force test result after method for anticorrosion treatment of the invention treated spring leaching boiling water;
Fig. 7: using water-soluble acrylic Amino-Polyester baking vanish method for anticorrosion treatment treated spring salt spray resistance test knot
Fruit;
Fig. 8: using polyesters and triglycidyl isocyanurate mixture method for anticorrosion treatment, treated that spring is resistance to
Salt spray test result;
Fig. 9: using method for anticorrosion treatment of the invention treated spring salt spray resistance test result;
Figure 10: using method for anticorrosion treatment of the invention treated spring salt spray resistance test result;
Specific embodiment
The now just technical solution of spring anti-corrosion material and spring method for anticorrosion treatment of the invention and its what be can be generated have
Beneficial effect, in conjunction with attached drawing and table, detailed description are as follows: a kind of spring method for anticorrosion treatment includes the following steps:
S1: pretreatment of base material: carrying out surface roughening treatment for substrate, then that substrate surface treatment is clean;
S2: the substrate Jing Guo pre-treatment substrate preheating: is preheated into 10-60min at 20-60 DEG C;
S3: coating spraying coating spraying: is carried out to the substrate Jing Guo the pre-heat treatment;
S4: coating is dry: the substrate Jing Guo spray treatment being transferred in baking oven, solidification temperature 80-400 is to slowly warm up to
DEG C, 20-60min is kept at this temperature;
S5: the dry substrate finished is down to room temperature, obtains the spring for having antiseptic property.
Wherein, in the step S1, surface roughening treatment is carried out by sandblasting or ball blast, by compressed air by substrate table
Face is blown off.
Wherein, in the step S2, the temperature of pre-treatment is between 35-45 DEG C, and the time is between 20-40min.
Wherein, in the step S3, the mode of the coating spraying is compressed air spraying or electrostatic spraying.
Wherein, in the step S4, the solidification temperature keeps 30min between 230-380 DEG C at this temperature.
Wherein, in the step S3, used coating is water-soluble poly tetrafluoroethene.
Wherein, in the step S3, used coating is solvent type polytetrafluoroethylene (PTFE), with solvent type polytetrafluoroethylene (PTFE)
When as coating spraying, coating can spray to the step of (i.e. step S3) and coating dry (i.e. step S4) and operated twice,
In, in first time operating procedure S4, the solidification temperature is 80-100 DEG C, when second of operating procedure S4, and the solidification is warm
Degree is 230-380 DEG C.
The present invention additionally provides a kind of spring anti-corrosion material for above-mentioned spring anti-corrosion method, the anti-corrosion material is selected from
Water-soluble poly tetrafluoroethene or solvent type polytetrafluoroethylene (PTFE).
To further illustrate the beneficial effect of the invention that can be generated, table 1- table 3 and Fig. 1-Figure 10 are please referred to.
Wherein, table 1 indicates in the identical situation of other process conditions, and the water-soluble acrylic that comparative example is respectively adopted is poly-
Ester amino-stoving varnish, polyesters and triglycidyl isocyanurate mixture and monocomponent polyurethane spring method for anticorrosion treatment
Adhesive force test result after immersion with the spring obtained after spring method for anticorrosion treatment processing of the invention, in comparative approach,
The mixture and one-component of water soluble acrylic acid Amino-Polyester baking vanish, polyesters and triglycidyl isocyanurate is respectively adopted
Polyurethane is sprayed as coating, in the present invention, carries out coating spraying as coating using water-soluble poly tetrafluoroethene, remaining
Process conditions are identical.The method that adhesive force is tested after immersion is that spring workpiece integrally immerses in distilled water by treated, respectively
It is taken out after impregnating 24 hours and 48 hours, specific test method is referring to national standard GB/T1733-1993.Using cross-hatching (GBT
9286-1998) determine experimental result, for the temperature in laboratory at 23 DEG C or so, Fig. 1 shows use monocomponent polyurethane preservative treatment
Adhesive force test result after method treated spring immersion;Fig. 2 indicates that treated using method for anticorrosion treatment of the invention
Adhesive force test result after spring immersion;Wherein, in the corresponding spring anti-corrosion method of test result in Fig. 2, the coating of selection
It is water-soluble poly tetrafluoroethene.
Table 1: the present invention and adhesive force test result after the immersion of spring obtained by comparative approach
As can be seen that the spring obtained using spring method for anticorrosion treatment of the invention, is compared from table 1 and Fig. 1-Fig. 2
It is poly- compared with using water-soluble acrylic Amino-Polyester baking vanish, polyesters and triglycidyl isocyanurate mixture and one-component
The spring that urethane spring method for anticorrosion treatment obtains, adhesion performance has been higher by three ranks, spring erosion resistant coating table after immersion
Face is also almost without peeling, and the spring for using the spring method for anticorrosion treatment of comparative example to obtain, after distilled water immersion, erosion resistant coating
There is apparent peeling on surface.
Table 2 indicates in the identical situation of other process conditions, and water soluble propene's acid polyester ammonia of comparative example is respectively adopted
Base baking vanish, polyesters and triglycidyl isocyanurate mixture and monocomponent polyurethane spring method for anticorrosion treatment and sheet
Adhesive force test result after the leaching boiling water of spring obtained after the spring method for anticorrosion treatment processing of invention, in comparative approach, point
Not Cai Yong water soluble acrylic acid Amino-Polyester baking vanish, polyesters and triglycidyl isocyanurate mixture and one-component it is poly-
Urethane is sprayed as coating, in the present invention, carries out coating spraying, remaining work as coating using solvent type polytetrafluoroethylene (PTFE)
Skill condition is identical.The method that adhesive force is tested after leaching boiling water is that spring workpiece integrally immerses in constant temperature water bath by treated,
Distilled water is added in water bath, keeps the fluidized state of water, taken out after impregnating 12 hours and 24 hours respectively and is inhaled with filter paper
Dry, specific test method is referring to national standard GB/T1733-1993.Experimental result, figure are determined using cross-hatching (GBT 9286-1998)
3 indicate using adhesive force test knot after water-soluble acrylic Amino-Polyester baking vanish method for anticorrosion treatment treated spring leaching boiling water
Fruit;Fig. 4 is indicated using treated the spring leaching boiling of polyesters and triglycidyl isocyanurate mixture method for anticorrosion treatment
Adhesive force test result after water;Fig. 5 is indicated using attached after monocomponent polyurethane method for anticorrosion treatment treated spring leaching boiling water
Put forth effort test result;Fig. 6 is indicated using adhesive force test knot after method for anticorrosion treatment of the invention treated spring leaching boiling water
Fruit;Wherein, in the corresponding spring anti-corrosion method of test result in Fig. 6, the coating of selection is solvent type polytetrafluoroethylene (PTFE).
Table 2: the present invention and adhesive force test result after the leaching boiling water of spring obtained by comparative approach
As can be seen that the spring obtained using spring method for anticorrosion treatment of the invention, is compared from table 2 and Fig. 3-Fig. 6
It is poly- compared with using water-soluble acrylic Amino-Polyester baking vanish, polyesters and triglycidyl isocyanurate mixture and one-component
The spring that urethane spring method for anticorrosion treatment obtains, adhesion performance has been higher by four ranks, spring erosion resistant coating after soaking boiling water
Surface is also almost without peeling, and the spring for using the spring method for anticorrosion treatment of comparative example to obtain, after boiling water impregnates, erosion resistant coating
There is apparent peeling on surface.
Table 3 indicates in the identical situation of other process conditions, and water soluble propene's acid polyester ammonia of comparative example is respectively adopted
At base baking vanish, polyesters and triglycidyl isocyanurate mixture spring method for anticorrosion treatment and spring anti-corrosion of the invention
It is roasting that water soluble acrylic acid Amino-Polyester is respectively adopted in comparative approach in the salt spray resistance test result of spring obtained after the processing of reason method
The mixture of paint, polyesters and triglycidyl isocyanurate is sprayed as coating, poly- using solvent type in the present invention
Tetrafluoroethene carries out coating spraying as coating, remaining process conditions is identical, wherein the salt spray resistance test of each group sample be all
It assembles four times repeatedly, what sample carried out in the case where there is certain abrasion.The method of salt spray resistance test is national standard GBT-10125-
2012 neutral salt spray tests, experimental period are 120 hours, and spraying the temperature inside the box is 35 DEG C or so, 80cm2Horizontal area it is flat
Equal sedimentation rate is 1.5 ± 0.5mL/h, and concentration of sodium chloride solution is 50 ± 5g/L, and pH value is between 6.5-7.2.Fig. 7-Fig. 8 distinguishes table
Show using water-soluble acrylic Amino-Polyester baking vanish and polyesters and triglycidyl isocyanurate mixture preservative treatment
Method treated spring salt spray resistance test result, Fig. 9-Figure 10 are indicated using method for anticorrosion treatment of the invention treated bullet
Salt spray resistance test result, wherein in the corresponding spring anti-corrosion method of test result in Fig. 9-Figure 10, the coating of selection is molten
Dosage form polytetrafluoroethylene (PTFE), corresponding solidification temperature are 230 DEG C and 280 DEG C respectively.
Table 3: the present invention and spring salt spray resistance test result obtained by comparative approach
As can be seen that the spring obtained using spring method for anticorrosion treatment of the invention, is compared from table 3 and Fig. 7-Figure 10
Compared with the spring that the spring method for anticorrosion treatment using comparative approach obtains, salt spray resistance has been higher by one to two ranks, bullet
Surface corrosion is also slighter than the spring that the spring preservative treatment anti-corrosion using comparative approach obtains.
To sum up, spring anti-corrosion material and spring method for anticorrosion treatment provided by the invention, may make spring after processing
With superior corrosion resistance, adhesive force, wearability and processing performance.
Although the present invention is illustrated using above-mentioned preferred embodiment, the protection model that however, it is not to limit the invention
It encloses, anyone skilled in the art are not departing within the spirit and scope of the present invention, and opposite above-described embodiment carries out various changes
It is dynamic still to belong to the range that the present invention is protected with modification, therefore protection scope of the present invention subjects to the definition of the claims.
Claims (4)
1. a kind of spring method for anticorrosion treatment, characterized by the following steps:
S1: pretreatment of base material: carrying out surface roughening treatment for substrate, then that substrate surface treatment is clean;
S2: the substrate Jing Guo pre-treatment substrate preheating: is preheated into 10-60min at 20-60 DEG C;
S3: coating spraying coating spraying: is carried out to the substrate Jing Guo the pre-heat treatment;
S4: coating is dry: the substrate Jing Guo spray treatment being transferred in baking oven, 230 DEG C of solidification temperature or 280 are to slowly warm up to
DEG C, 20-60min is kept at this temperature;
S5: the dry substrate finished is down to room temperature, obtains the spring for having antiseptic property;
Wherein, in the step S3, used coating is solvent type polytetrafluoroethylene (PTFE).
2. spring method for anticorrosion treatment as described in claim 1, it is characterised in that:
In the step S1, surface roughening treatment is carried out by sandblasting or ball blast, is blown off substrate surface by compressed air.
3. spring method for anticorrosion treatment as described in claim 1, it is characterised in that:
In the step S2, the temperature of pre-treatment is between 35-45 DEG C, and the time is between 20-40min.
4. spring method for anticorrosion treatment as described in claim 1, it is characterised in that:
In the step S3, the mode of the coating spraying is compressed air spraying or electrostatic spraying.
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CN105772372A (en) * | 2016-05-03 | 2016-07-20 | 广东志高暖通设备股份有限公司 | Anti-corrosion method for heat exchanger |
CN105817410A (en) * | 2016-05-10 | 2016-08-03 | 北京铁科首钢轨道技术股份有限公司 | Anticorrosive material for elastic bar and elastic bar anticorrosive treatment method |
CN105855147A (en) * | 2016-05-10 | 2016-08-17 | 北京铁科首钢轨道技术股份有限公司 | Anticorrosive material of elastic strip and anticorrosive treatment method of elastic strip |
CN106000817A (en) * | 2016-07-11 | 2016-10-12 | 晋亿实业股份有限公司 | Production method of anticorrosive elastic strip |
CN113862601B (en) * | 2021-09-30 | 2023-08-11 | 江苏卓奇新材料科技有限公司 | Thermal spraying coating elastic strip and preparation method thereof |
CN116393347A (en) * | 2023-06-02 | 2023-07-07 | 苏州市惠昌锯业有限公司 | Polytetrafluoroethylene modified wear-resistant baking varnish spraying process |
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Effective date of registration: 20211227 Address after: 102206 No. 24 South Road, Shahe Town, Changping District, Beijing Patentee after: BEIJING TIEKE SHOUGANG RAIL-TECH. Co.,Ltd. Patentee after: Tieke (Tianjin) Technology Co., Ltd Address before: 102206 No. 24 South Road, Shahe Town, Changping District, Beijing Patentee before: BEIJING TIEKE SHOUGANG RAIL-TECH. Co.,Ltd. |