DE2218515A1 - Silane application to substrates - before vaporising protective inorganic coatings - Google Patents
Silane application to substrates - before vaporising protective inorganic coatingsInfo
- Publication number
- DE2218515A1 DE2218515A1 DE19722218515 DE2218515A DE2218515A1 DE 2218515 A1 DE2218515 A1 DE 2218515A1 DE 19722218515 DE19722218515 DE 19722218515 DE 2218515 A DE2218515 A DE 2218515A DE 2218515 A1 DE2218515 A1 DE 2218515A1
- Authority
- DE
- Germany
- Prior art keywords
- silane
- substrates
- inorganic
- protective
- inorganic coatings
- 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
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title claims abstract description 5
- 229910000077 silane Inorganic materials 0.000 title claims abstract description 5
- 230000001681 protective effect Effects 0.000 title abstract description 4
- 238000000576 coating method Methods 0.000 title abstract 3
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims abstract description 3
- 125000002577 pseudohalo group Chemical group 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- 239000002318 adhesion promoter Substances 0.000 claims description 6
- 229910010272 inorganic material Inorganic materials 0.000 claims description 5
- 239000011147 inorganic material Substances 0.000 claims description 5
- 239000011368 organic material Substances 0.000 claims description 4
- 238000007740 vapor deposition Methods 0.000 claims description 4
- 238000005566 electron beam evaporation Methods 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 9
- 239000011521 glass Substances 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 239000011241 protective layer Substances 0.000 abstract description 4
- 239000005304 optical glass Substances 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 239000004922 lacquer Substances 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- -1 siloxanes Chemical class 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Laminated Bodies (AREA)
- Surface Treatment Of Glass (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
Verfahren zum Aufdampfen anorganischer Stoffe auf Unterlagen aus organischem ender anorganischem Material. Process for the vapor deposition of inorganic substances on substrates organic and inorganic material.
(Zusatz zu Patent .............. Anmeldung P 20 01 275.3 Die Erfindung betrifft ein Verfahren zu Aufdampfen anorganischer Stoffe auf Unterlagen aus organischem oder anorganischem Material nach vorheriger Aufbringung eines Haftvermittlers auf die Unterlage. (Addition to patent .............. Application P 20 01 275.3 The invention relates to a process for the vapor deposition of inorganic substances on organic substrates or inorganic material after prior application of an adhesion promoter the underlay.
Thermoplastische Kunststoffe weisen im allgemeinen eine verhältnismaßig weiche und kratzempfindliche Oberfläche auf.Thermoplastic plastics generally have a relatively soft and scratch-sensitive surface.
Schutzgläser für Mmbanduhren und ähnliche Artikel werden deshalb nach verhältnismaßig kurzer Zeit unbrauchbar. Man konnte deshalb auch Schutzscheiben für Kraftfahrzeuge, Flugzeuge usw. nicht aus organischen Stoffen fertigen, weil dieselben nach sehr kurzem Gebrauch durch Staub und äußere Einflüsse angekratzt, matt und unbrauchbar werden.Protective glasses for wrist watches and similar articles are therefore after unusable for a relatively short time. You could therefore also use protective windows for motor vehicles, airplanes etc. not made from organic materials because the same scratched after a very short period of use by dust and external influences, become dull and unusable.
Es wurde versucht, anorganische Substanzen, insbesondere Oxide, Fluoride und gewisse Gläser auf die Kunststoffe im Hochvakuum aufzudampfen, z.B. durch Elektronenstrahl-Verdampfung. Hierbei zeigte sich, daß die Schichten zwar zunächst haften, jedoch nach sehr kurzer Zeit vom organischen Grundmaterial abblättern. Insbetondere löst sich die Glasschicht ab bei Einwirkung von Luftfeuchtigkeit, z.B. bei Durchführung der Schwitzwasserprüfung gemäß DIN 50017. Außerdem wirkt sich der unterschiedliche thermische Ausdehnungskoeffizient bei Temperaturwechselbeanspruchung sehr ungünstig aus. Attempts have been made to evaporate inorganic substances, in particular oxides, fluorides and certain glasses, onto the plastics in a high vacuum, for example by electron beam evaporation. It was found that the layers initially adhere, but after a very short time peel off from the organic base material. In particular, the glass layer peels off when exposed to air humidity, for example when carrying out the condensation test in accordance with DIN 50017. In addition, the different thermal expansion coefficients have a very unfavorable effect when exposed to temperature changes.
Es wurde nun gefunden, daß Haftung und Schwitzwasserfestigkeit erhebl.ich verbessert werden können, wenn man auf die zu bedampfenden Teile vor dem Bedampfungsvorgang sogenannte Haftvermittler aus metall- oder metalloid-organischen Verbindungen in dünner Schicht aufbringt, die aufgrund ihres bifunktionellen Aufbaues sowohl mit der Kunststoffoberfläche als auch mit dem aufzudampfenden anorganischen Stoff chemische Bindungen einzugehen vermögen. Als solche können z.B. organische Siliziumverbindungen mit der allgemeinen Formel (A) Verwendung finden. It has now been found that adhesion and condensation resistance can be significantly improved if so-called adhesion promoters made of organometallic or metalloid-organic compounds are applied in a thin layer to the parts to be steamed before the steaming process as well as to be able to enter into chemical bonds with the inorganic substance to be evaporated. Organic silicon compounds with the general formula (A), for example, can be used as such.
Dabei bedeutet: X = orgapofunktionelle Gruppen, z.B. - SR', - NR2', -OOC-(CH3)C=CH2, -SON, -NH - (CnN2n) -NR'2' - - OR', -CH = CH2 wobei Y = anorganisch-funktionelle Gruppen, wie z.B. Halogene, Pseudohalogene, z=1-3 Anstelle der einfachen bifunktionellen Silane können auch mit gutem Erfolg bifunktionelle Siloxane eingesetzt werden, gemäß folgender allgemeinen Pormel (B): Es hat sich numehr gezeigt, daß insbesondere Silane der allgemeinen Pormel HzSiY4-z sich hervorragend als Haftvermittler eignen (Y,z siehe oben).Here means: X = orgapofunctional groups, e.g. - SR ', - NR2', -OOC- (CH3) C = CH2, -SON, -NH - (CnN2n) -NR'2 '- - OR', -CH = CH2 where Y = inorganic-functional groups, such as halogens, pseudohalogens, z = 1-3 Instead of the simple bifunctional silanes, bifunctional siloxanes can also be used with good success, according to the following general formula (B): It has now been shown that in particular silanes of the general formula HzSiY4-z are outstandingly suitable as adhesion promoters (Y, z see above).
Diese Substanzen werden z.B. aus wässriger oder organischer Lösung auf die Kunststoffe aufgebracht und leicht angetrocknet.These substances are extracted from aqueous or organic solutions, for example applied to the plastics and slightly dried.
Bei den organischen Siliziumverbindlmgen haben sich als Lösungsmittel besonders Kohlenwasserstoffe, wie z.B. Hexan oder Heptan, bewährt. Vorteilhafterweise setzt man den erfindungsgemäßen Silan-Haftvermittler jedoch dem sogenannten Gnrndlack zu, der dazu dient, die Oberfläche der Unterlage zu egalisieren.The organic silicon compounds have proven to be solvents especially hydrocarbons such as hexane or heptane, proven. Advantageously however, if the silane adhesion promoter according to the invention is used, the so-called base varnish to, which serves to level the surface of the pad.
Im Anschluß hieran werden die Teile im Vakuum nach bekanntem Verfahren mit der anorganischen Schicht bedampft. Der Haftvermittler tritt bei der im Vakuum vorzugsweise zunächst durchgeführten Glimmentladung mit der Kunststoffoberfläche in Reaktion und bildet hierbei Haft zentren für die nachfolgend durchgeführte Bedampfung mit der anorganischen Schutzschicht.Following this, the parts are vacuumed using a known method vaporized with the inorganic layer. The adhesion promoter occurs when in a vacuum preferably initially carried out glow discharge with the plastic surface in reaction and forms adhesion centers for the subsequently carried out vapor deposition with the inorganic protective layer.
Die nach dem erfindungsgemäßen Verfahren hergestellten Schutzschichten aus anorganischem Material, insbesondere Glas, weisen eine außerordentlich harte und kratzfeste Oberfläche auf, sind schwitzwasserbeständig und gut haftfest.The protective layers produced by the process according to the invention made of inorganic material, especially glass, have an extremely hard and scratch-resistant surface, are resistant to condensation and have good adhesive properties.
Esist möglich, Metalleffekte auf Kunststoffe aufzubringen, in dem man die nach dem erfindungsgemäßen Verfahren mit Glas bedampften Materialien, z.B. mit einer Aluminiumschicht, belegt und hierauf wieder eine Glasschicht aufdampft.It is possible to apply metallic effects to plastics by using the materials vapor-deposited with glass according to the process according to the invention, e.g. with an aluminum layer, and a layer of glass is vapor-deposited thereon.
Das erfindungsgemäße Verfahren hat sich nicht nur bei Unterlagen aus organischem Material bewährt, sondern auch bei metallischen Unterlagen und solchen aus empfindlichen anorganischen Stoffen, z.B. bei gewissen besonders hochwertigen optischen Gläsern.The method according to the invention is not only useful for documents organic material, but also with metallic substrates and such made of sensitive inorganic materials, e.g. for certain particularly high-quality materials optical glasses.
Es eignet sich besonders für die Herstellung von mechanischen und/oder chemischen Schutzschichten und außerdem zur Herstellung von Korrosionsschutzschichten auf Iflet;allen.It is particularly suitable for the manufacture of mechanical and / or chemical protective layers and also for the production of anti-corrosion layers on Iflet; all.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722218515 DE2218515A1 (en) | 1972-04-17 | 1972-04-17 | Silane application to substrates - before vaporising protective inorganic coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722218515 DE2218515A1 (en) | 1972-04-17 | 1972-04-17 | Silane application to substrates - before vaporising protective inorganic coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2218515A1 true DE2218515A1 (en) | 1973-10-31 |
Family
ID=5842214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722218515 Pending DE2218515A1 (en) | 1972-04-17 | 1972-04-17 | Silane application to substrates - before vaporising protective inorganic coatings |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2218515A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111957A3 (en) * | 1982-12-10 | 1984-07-25 | N.V. Philips' Gloeilampenfabrieken | Method of applying a metallic coating to a substrate |
-
1972
- 1972-04-17 DE DE19722218515 patent/DE2218515A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111957A3 (en) * | 1982-12-10 | 1984-07-25 | N.V. Philips' Gloeilampenfabrieken | Method of applying a metallic coating to a substrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |