EP3132861A2 - Procede destine au revetement d'un substrat et revetement de substrat - Google Patents

Procede destine au revetement d'un substrat et revetement de substrat Download PDF

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Publication number
EP3132861A2
EP3132861A2 EP16174733.2A EP16174733A EP3132861A2 EP 3132861 A2 EP3132861 A2 EP 3132861A2 EP 16174733 A EP16174733 A EP 16174733A EP 3132861 A2 EP3132861 A2 EP 3132861A2
Authority
EP
European Patent Office
Prior art keywords
substrate
plasma
elastomer
silane
rubbers
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.)
Withdrawn
Application number
EP16174733.2A
Other languages
German (de)
English (en)
Other versions
EP3132861A3 (fr
Inventor
Uwe Stöhr
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.)
Plasma Electronic GmbH
Original Assignee
Plasma Electronic GmbH
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 Plasma Electronic GmbH filed Critical Plasma Electronic GmbH
Publication of EP3132861A2 publication Critical patent/EP3132861A2/fr
Publication of EP3132861A3 publication Critical patent/EP3132861A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • B05D3/14—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
    • B05D3/142—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
    • 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
    • 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
    • B05D2201/00—Polymeric substrate or laminate
    • 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
    • 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
    • B05D2203/00—Other 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
    • B05D2451/00—Type of carrier, type of coating (Multilayers)

Definitions

  • the invention relates to a method for coating a substrate in the plasma with subsequent application of an elastomer to the substrate according to the preamble of claim 1. Furthermore, the invention relates to an adhesive coating for a substrate, which is produced by a method according to the invention.
  • a combination of a substrate provided with an elastomer on at least one surface is known in many applications.
  • metals are used which are subsequently coated with a plastic.
  • electrical components such as plug adapters, vulcanized silicone sealing lips are common.
  • a combination of a metal as a substrate and an elastomer as a coating application Steel sheets with vulcanized, thin elastomer film are used as plates for belt tensioners, composite or hybrid components are used as control plates, electronics housing or drive wheel.
  • seals have a special meaning, since in them a high adhesion between an elastomer and an example of metal existing substrate is important so that the seals are mechanically very robust, in order to have a long life or a reliable function. Often such seals are made of an elastomer and are reinforced by a metal component and held by this in shape.
  • this pretreatment includes intensive cleaning and the subsequent application of a corrosion protection and a primer
  • this treatment comprises, in a first step, activating the surface of the substrate in a doped plasma, and in a second step, treating the surface with a silane.
  • the silane used in the known font has, inter alia, one aliphatic or aromatic alkyl radical having one to 6 carbon atoms.
  • the invention is the object of the DE 10 2010 039 939 B4 to optimize known methods.
  • an optimization means in particular, a simplified chemical structure of the silane and the possibility of being able to use the process advantageously not only on metallic surfaces but also, for example, on ceramic or plastic surfaces.
  • the activating agent in the first plasma step is preferably a gas, in particular argon, oxygen or hydrogen.
  • a gas in particular argon, oxygen or hydrogen.
  • free OH groups are formed on the surface of the substrate by such a plasma process.
  • a silane plasma is then generated. This silane can now react with the OH groups present on the substrate surface.
  • a silane of the general formula R 1 -Si- (OY) 3 is used in the second plasma step, where R 1 is a functional group selected from the group amino, vinyl, chloride, hydroxyl, methyl, cyano , Epoxide, isocyanate and thiol groups and wherein Y comprises an alkyl radical having 1 to 3 atoms.
  • the treatment in the plasma takes place during the two treatment steps either under atmospheric conditions, a so-called atmospheric plasma, or in low-pressure plasma.
  • the plasma pressure according to the invention is between 0.01 Pa and 200 Pa, preferably between 0.05 Pa and 50 Pa, very particularly preferably between 0.1 Pa and 30 Pa.
  • the present invention should not be limited to the use of metals as substrates. Rather, it can be advantageously used in addition to metals also exemplified in ceramic substrates and substrates that are made of plastic.
  • Such a plasma treatment causes an application or emergence of an adhesive coating on the substrate, which according to the invention has a layer thickness between 1 nm and 3 ⁇ m, preferably between 10 nm and 300 nm, very particularly preferably between 100 nm and 200 nm.
  • a layer thus has a significantly smaller thickness than conventional corrosion protection and / or adhesion promoter layers, which typically have a layer thickness in the micron range.
  • an elastomer is applied to the at least one pretreated surface of the substrate.
  • the elastomer can either be vulcanized or connected to the surface of the substrate by an injection process.
  • any elastomer which meets the desired requirements of the final product can be used.
  • a corresponding elastomer may for example be selected from the rubber groups fluorocubbers (FKM), ethyl acrylate rubbers (AEM), peroxidically vulcanizable rubbers, acrylate rubbers (ACM), nitrile rubbers (NBR), hydrogenated nitrile rubbers (HNBR) and / or it may a thermoplastic elastomer is used.
  • the elastomer can form a bond during vulcanization or injection with the functional group R 1 of the silane applied to the surface of the substrate. As a result, the elastomer not only adheres to the surface of the substrate. Rather, a bond is formed between the substrate and the elastomer, mediated by the silane. In such a composite material, the risk that the elastomer and the substrate are separated from each other, significantly reduced.
  • FIG. 1 shows schematically the structure of a composite component according to the invention, consisting of a substrate 1, and an elastomer 2 connected to the substrate 1.
  • the substrate 1 is a cuboid body or a cuboid component, which preferably, but not limiting, consists of metal. It is also conceivable that the substrate 1 consists of a ceramic material or of a plastic.
  • the substrate 1 has a front end face 4, a rear end face 5 and side faces 6. According to the invention, it is provided that the front end face 4 and the side faces 6 are connected to the elastomer 2.
  • the application of the elastomer 2 to the substrate 1 is carried out with a suitable tool, for example by vulcanization or by injection of the elastomer 2 to the substrate 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
EP16174733.2A 2015-08-20 2016-06-16 Procede destine au revetement d'un substrat et revetement de substrat Withdrawn EP3132861A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015113780.1A DE102015113780A1 (de) 2015-08-20 2015-08-20 Verfahren zur Beschichtung eines Substrats und Beschichtung für ein Substrat

Publications (2)

Publication Number Publication Date
EP3132861A2 true EP3132861A2 (fr) 2017-02-22
EP3132861A3 EP3132861A3 (fr) 2017-03-01

Family

ID=56368776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16174733.2A Withdrawn EP3132861A3 (fr) 2015-08-20 2016-06-16 Procede destine au revetement d'un substrat et revetement de substrat

Country Status (2)

Country Link
EP (1) EP3132861A3 (fr)
DE (1) DE102015113780A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021089466A1 (fr) * 2019-11-06 2021-05-14 Robert Bosch Gmbh Procédé de production d'une liaison composant-matière plastique

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039939B4 (de) 2010-08-30 2015-01-08 Aktiebolaget Skf Verfahren zur Haftbeschichtung eines metallischen Substrats, Beschichtung für eine metallische Oberfläche und Verwendung des beschichteten Substrats als Dichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980196A (en) * 1990-02-14 1990-12-25 E. I. Du Pont De Nemours And Company Method of coating steel substrate using low temperature plasma processes and priming
JP3594884B2 (ja) * 1999-07-09 2004-12-02 エア・ウォーター株式会社 複合材の製法およびそれによって得られる複合材
JP2004305307A (ja) * 2003-04-03 2004-11-04 Air Water Inc 注射器用パッキンの製法
JP2005170801A (ja) * 2003-12-08 2005-06-30 Nipro Corp 被覆ステント

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039939B4 (de) 2010-08-30 2015-01-08 Aktiebolaget Skf Verfahren zur Haftbeschichtung eines metallischen Substrats, Beschichtung für eine metallische Oberfläche und Verwendung des beschichteten Substrats als Dichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021089466A1 (fr) * 2019-11-06 2021-05-14 Robert Bosch Gmbh Procédé de production d'une liaison composant-matière plastique
CN114929932A (zh) * 2019-11-06 2022-08-19 罗伯特·博世有限公司 一种用于制造构件-塑料复合体的方法

Also Published As

Publication number Publication date
EP3132861A3 (fr) 2017-03-01
DE102015113780A1 (de) 2017-03-09

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