EP4119702A1 - Plasma ionization deposition method for strengthened wear-resistant metal surface and structure thereof - Google Patents

Plasma ionization deposition method for strengthened wear-resistant metal surface and structure thereof Download PDF

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Publication number
EP4119702A1
EP4119702A1 EP22184035.8A EP22184035A EP4119702A1 EP 4119702 A1 EP4119702 A1 EP 4119702A1 EP 22184035 A EP22184035 A EP 22184035A EP 4119702 A1 EP4119702 A1 EP 4119702A1
Authority
EP
European Patent Office
Prior art keywords
main body
plasma ionization
dimethicone
receiving holes
epoxy resin
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
EP22184035.8A
Other languages
German (de)
English (en)
French (fr)
Inventor
Nai-Wen Chang
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.)
Inpark International Ltd
Original Assignee
Inpark International 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 Inpark International Ltd filed Critical Inpark International Ltd
Publication of EP4119702A1 publication Critical patent/EP4119702A1/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/20—Pretreatment
    • 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
    • B05D1/62—Plasma-deposition of organic layers
    • 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
    • B05D3/002—Pretreatement
    • 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
    • B05D3/06—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 exposure to radiation
    • 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
    • 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
    • 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
    • B05D2504/00—Epoxy polymers
    • 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
    • B05D3/14—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 electrical means
    • B05D3/141—Plasma treatment
    • B05D3/145—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
    • 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

Definitions

  • the present invention relates to a plasma ionization deposition method for a strengthened wear-resistant metal surface and a structure thereof, and more particularly to a plasma ionization deposition method for a strengthened wear-resistant metal surface and a structure thereof that demonstrate colors of vividness and brightness, toughness for impact resistance, hardness for wear resistance and scratch resistance, and weatherability for corrosion resistance.
  • those demonstrating excellent chemical tests may have good corrosion resistance, yet they may contain a large amount of carbon and thus exhibit a relatively dull and dim color, such as red and black, and does not show brightness and vividness in color.
  • Physical tests generally include impact tests, adhesion tests, and wear resistance tests. High impact resistance requires toughness, yet high wear resistance requires hardness, and consequently, it is hard to have a property that is good for resisting both wear and impact. Further, high adhesion requires elasticity, yet high wear resistance requires hardness, and consequently, it is hard to balance between pigment adhering power and hardness against wear.
  • a base material of high hardness often has a surface that is irregular and unsmooth and may be easily attached with dust, leading to poor optical properties, and is thus not glossy and shining. Using such a material to cover a product in order to enhance the hardness of the product would inevitably sacrifice aesthetics of the product.
  • the primary objective of the present invention is that laser is applied to form uniform minute pores on a metallic main body and a plasma ionization technique is applied to fill dimethicone connecting parts therein for securely bonding an epoxy resin color-rendering layer, and finally an oxide hardening layer is coated on a surface, so that balance can be achieved among aesthetics, wear resistance, and impact resistance.
  • the structure of the present invention can be readily appreciated. Based on such a structure, various advantages in respect of colors of vividness and brightness, toughness for impact resistance, hardness for wear resistance and scratch resistance, and weatherability for corrosion resistance, can be achieved. A more detailed description will be provided below.
  • the metallic main body 1 comprises a material of stainless steel.
  • the receiving holes 11 are minute pores of identical hole diameter, identical depth, and identical spacing distance.
  • a preferred value of the hole diameter is 206 ⁇ m; a preferred value of the hole depth is 40 ⁇ m; and a preferred hole spacing distance is approximately 1.5 times of the hole diameter.
  • Dimethicone functions as a connecting component having elasticity and does not dissolve in water and oil and has excellent stability.
  • Epoxy resin is a commonly used coating material and is capable of rendering a desired color and can intactly exhibits a vivid and bright color.
  • the oxide is provided, as an example of illustration, as silicon dioxide (SiO 2 ). Silicon dioxide is also known as a ceramic-like or glasslike material, which is a substance that is resistant to wear and scratch.
  • the types of the above components are provided as examples of a preferred embodiment, and types having the same functions are all considered belonging to the scope of the present invention, and not limited to the above examples.
  • a metallic main body 1 having a material of stainless steel has pores that are relatively small, so that a coating, such as epoxy resin, cannot be directly attached thereto. Therefore, a laser etching technique is applied on a surface of the metallic main body 1 to form a large quantity of uniformly distributed receiving holes 11, by which the pore size of the metallic main body 1 is evenly increased. As shown in FIGS. 1 , 5 , 6 , and 8 , a metallic main body 1 having a material of stainless steel has pores that are relatively small, so that a coating, such as epoxy resin, cannot be directly attached thereto. Therefore, a laser etching technique is applied on a surface of the metallic main body 1 to form a large quantity of uniformly distributed receiving holes 11, by which the pore size of the metallic main body 1 is evenly increased. As shown in FIGS.
  • a plasma ionization technique is applied to ionize dimethicone into a nanometer state, so that the dimethicone is filled into interiors of the receiving holes 11, in such a way that the dimethicone connecting parts 2 are each just like an arrangement of growing roots in the interiors of the receiving holes 11. Since the receiving holes 11 are large in number and are distributed in a uniform manner, the dimethicone connecting parts 2 that are in the nanometer state provide an extremely large contact surface area that allows for securely connecting with an object in contact therewith. In the instant embodiment, two ends of the dimethicone connecting part 2 are respectively connected to the metallic main body 1 and the epoxy resin color-rendering layer 3 (also see FIG. 3 ).
  • the metallic main body 1 on which the dimethicone connecting parts 2 are formed is placed in an electroplating environment, in which an electroplating technique is applied to electrolyze epoxy resin for attaching to the dimethicone connecting parts 2 to form the epoxy resin color-rendering layer 3, so that with toughness being enhanced with the elasticity of dimethicone and appearance aesthetics being improved with the easily coloring property of epoxy resin, colors that are tough and vivid and are not easily detached can be provided on the surface of the metallic main body 1.
  • a plasma ionization technique is similarly applied to ionize the oxide (such as silicon dioxide) to show a fine, nanometer-like state in order to uniformly deposit on a surface of the epoxy resin color-rendering layer 3 to form the oxide hardening layer 4.
  • the oxide hardening layer 4 Due to high hardness of the oxide hardening layer 4, an excellent effect of wear resistance and scratch resistance is realized. Further, due to an effect of coating resulting from the nanometer-like state, the surface is glossy and does not easily accumulate dust thereon, and in addition, the material of silicon dioxide, which is generally considered a glasslike material, is a light-transmitting material so that the color of the epoxy resin color-rendering layer 3 on the under layer can still be exhibited.
  • improvements in respect of colors of vividness and brightness, toughness for impact resistance, hardness for wear resistance and scratch resistance, and weatherability for corrosion resistance can be achieved.
  • a product made according to the present invention can be attached to a commercial object 5, so that aesthetics, hardness, and toughness can be realized by means of the structure of the present invention, making the commercial object 5 demonstrating high quality to meet the needs of famous brands for metal accessories (the metallic main body 1).
  • the present invention passes test of impact resistance for 10 times; under the three-dimensional roller tests of standard coating for rolling for 30 minutes at a rotational speed of 72 rpm, the abrading material being emery, requiring no exposure of the base material, the present invention passes test of wear resistance for 30 minutes and extreme of 40 minutes; and under standard coating 100-grid tests, the present invention passes test of adhesion.
EP22184035.8A 2021-07-16 2022-07-11 Plasma ionization deposition method for strengthened wear-resistant metal surface and structure thereof Pending EP4119702A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW110126276A TWI754601B (zh) 2021-07-16 2021-07-16 強化耐磨金屬表面之電漿離化沉積製程及其結構

Publications (1)

Publication Number Publication Date
EP4119702A1 true EP4119702A1 (en) 2023-01-18

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EP22184035.8A Pending EP4119702A1 (en) 2021-07-16 2022-07-11 Plasma ionization deposition method for strengthened wear-resistant metal surface and structure thereof

Country Status (2)

Country Link
EP (1) EP4119702A1 (zh)
TW (1) TWI754601B (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0619847B1 (en) * 1991-11-12 1996-05-15 E.I. Du Pont De Nemours And Company Method of coating metal using low temperature plasma and electrodeposition
US20180200837A1 (en) * 2017-01-19 2018-07-19 Gedia Gebrueder Dingerkus Gmbh Method of preparing a sheet-metal workpiece for coating

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101962768A (zh) * 2010-09-18 2011-02-02 黄锦 多工艺复合制备金属表面涂层技术
CN110424006A (zh) * 2019-08-12 2019-11-08 青岛德创表面技术工程有限公司 一种利用离子熔覆技术制备金属表面涂层的工艺

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0619847B1 (en) * 1991-11-12 1996-05-15 E.I. Du Pont De Nemours And Company Method of coating metal using low temperature plasma and electrodeposition
US20180200837A1 (en) * 2017-01-19 2018-07-19 Gedia Gebrueder Dingerkus Gmbh Method of preparing a sheet-metal workpiece for coating

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DA PONTE GABRIELLA ET AL: "Adhesion Improvement between Epoxy and Stainless Steel Using a Silane Coupling Agent in an Atmospheric Plasma Process", PLASMA PROCESSES AND POLYMERS, vol. 12, no. 4, 1 April 2015 (2015-04-01), DE, pages 347 - 361, XP055976672, ISSN: 1612-8850, DOI: 10.1002/ppap.201400106 *
KOTTE LILIANA ET AL: "Atmospheric Plasma Deposition of SiO2 Films for Adhesion Promoting Layers on Titanium", METALS, vol. 4, no. 4, 22 December 2014 (2014-12-22), pages 639 - 646, XP055976685, DOI: 10.3390/met4040639 *

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TWI754601B (zh) 2022-02-01

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