DE20219218U1 - Electrically-heated water-heating vessel such as a washing machine has base coated with composition containing nanoscalar silica to prevent scaling while retaining heat coupling - Google Patents

Electrically-heated water-heating vessel such as a washing machine has base coated with composition containing nanoscalar silica to prevent scaling while retaining heat coupling

Info

Publication number
DE20219218U1
DE20219218U1 DE20219218U DE20219218U DE20219218U1 DE 20219218 U1 DE20219218 U1 DE 20219218U1 DE 20219218 U DE20219218 U DE 20219218U DE 20219218 U DE20219218 U DE 20219218U DE 20219218 U1 DE20219218 U1 DE 20219218U1
Authority
DE
Germany
Prior art keywords
coating
insert according
heating insert
heating
particles
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.)
Expired - Lifetime
Application number
DE20219218U
Other languages
German (de)
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.)
Eichenauer Heizelemente GmbH and Co KG
Original Assignee
Eichenauer Heizelemente GmbH and Co KG
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 Eichenauer Heizelemente GmbH and Co KG filed Critical Eichenauer Heizelemente GmbH and Co KG
Priority to DE20219218U priority Critical patent/DE20219218U1/en
Publication of DE20219218U1 publication Critical patent/DE20219218U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/82—Fixedly-mounted immersion heaters

Abstract

A heating element (4) for an electrically-heatable vessel is positioned on the underside of the vessel base (2), the upper side of the base having a coating (3) formed from a nanocomposite containing a polycondensed silane.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (13)

1. Heizeinsatz für ein elektrisch beheizbares Gefäß mit einem Gefäßboden (2), an dessen Unterseite eine Heizeinrichtung (4) angebracht ist und dessen Oberseite mit einer Beschichtung (3) überzogen ist, dadurch gekennzeich­ net, daß die Beschichtung (3) aus einem polykondensierte Silane enthalten­ den Nanokomposit gebildet ist.1. Heating insert for an electrically heated vessel with a vessel bottom ( 2 ), on the underside of which a heating device ( 4 ) is attached and the top of which is coated with a coating ( 3 ), characterized in that the coating ( 3 ) consists of a polycondensed Silanes contain the nanocomposite that is formed. 2. Heizeinsatz nach Anspruch 1, dadurch gekennzeichnet, daß die Beschich­ tung (3) im wesentlichen fluorfrei ist.2. Heating insert according to claim 1, characterized in that the coating device ( 3 ) is essentially fluorine-free. 3. Heizeinsatz nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Be­ schichtung (3) nanoskalige Teilchen in einem Volumenanteil von 10% bis 80%, bevorzugt 20% bis 50% enthält.3. Heating insert according to claim 1 or 2, characterized in that the coating ( 3 ) contains nanoscale particles in a volume fraction of 10% to 80%, preferably 20% to 50%. 4. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) nanoskalige SiO2-Teilchen enthält.4. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) contains nanoscale SiO 2 particles. 5. Heizeinsatz nach Anspruch 4, dadurch gekennzeichnet, daß die Beschich­ tung (3) nanoskalige SiO2-Teilchen in einer solchen Menge enthält, daß das Verhältnis der Si-Atome in den polykondensierten Silanen zu den Si-Atomen in den SiO2-Teilchen im Bereich von 5 : 1 bis 1 : 2, bevorzugt im Bereich von 4 : 1 bis 2 : 1 liegt.5. Heating insert according to claim 4, characterized in that the coating ( 3 ) contains nanoscale SiO 2 particles in such an amount that the ratio of the Si atoms in the polycondensed silanes to the Si atoms in the SiO 2 particles is in the range from 5: 1 to 1: 2, preferably in the range from 4: 1 to 2: 1. 6. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) ein Alkali- oder Erdalkalimetalloxid enthält. 6. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) contains an alkali or alkaline earth metal oxide. 7. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) Natriumoxid enthält.7. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) contains sodium oxide. 8. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) im wesentlichen amorph ist.8. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) is essentially amorphous. 9. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) durch Hydrolyse und Polykondensation von Ethoxy- und/oder Methoxysilanen gebildet ist.9. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) is formed by hydrolysis and polycondensation of ethoxy and / or methoxysilanes. 10. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) durch Hydrolyse und Polykondensation eines oder mehrere Silane, welche einen Methyl-, Ethyl- oder Phenylrest auf­ weisen, gebildet ist.10. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) is formed by hydrolysis and polycondensation of one or more silanes which have a methyl, ethyl or phenyl radical. 11. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) durch Hydrolyse und Polykondensation mindestens eines der folgenden Silane, Methyltrimethoxysilan, Ethyltriethoxy­ silan, Methyltriethoxysilan oder Ethyltrimethoxysilan in Kombination mit min­ destens einem der folgenden Silane Tetramethoxysilan oder Tetraethoxysilan gebildet ist.11. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) formed by hydrolysis and polycondensation of at least one of the following silanes, methyltrimethoxysilane, ethyltriethoxy silane, methyltriethoxysilane or ethyltrimethoxysilane in combination with at least one of the following silanes tetramethoxysilane or tetra is. 12. Heizeinsatz nach einem der vorstehenden Ansprüche, dadurch gekenn­ zeichnet, daß die Beschichtung (3) eingefärbt ist. 12. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) is colored. 13. Heizeinsatz nach einem der vortsehenden Ansprüche, dadurch gekenn­ zeichnet, dass die Beschichtung (3) Teilchen mit einer durchschnittlichen Teilchengrösse von nicht mehr als 200 nm, bevorzugt nicht mehr als 100 nm, besonders bevorzugt nicht mehr als 50 nm und insbesondere nicht mehr als 30 nm enthält.13. Heating insert according to one of the preceding claims, characterized in that the coating ( 3 ) particles with an average particle size of not more than 200 nm, preferably not more than 100 nm, particularly preferably not more than 50 nm and in particular not more than Contains 30 nm.
DE20219218U 2001-12-14 2002-12-12 Electrically-heated water-heating vessel such as a washing machine has base coated with composition containing nanoscalar silica to prevent scaling while retaining heat coupling Expired - Lifetime DE20219218U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20219218U DE20219218U1 (en) 2001-12-14 2002-12-12 Electrically-heated water-heating vessel such as a washing machine has base coated with composition containing nanoscalar silica to prevent scaling while retaining heat coupling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20121107 2001-12-14
DE20219218U DE20219218U1 (en) 2001-12-14 2002-12-12 Electrically-heated water-heating vessel such as a washing machine has base coated with composition containing nanoscalar silica to prevent scaling while retaining heat coupling

Publications (1)

Publication Number Publication Date
DE20219218U1 true DE20219218U1 (en) 2003-03-06

Family

ID=7965770

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20219218U Expired - Lifetime DE20219218U1 (en) 2001-12-14 2002-12-12 Electrically-heated water-heating vessel such as a washing machine has base coated with composition containing nanoscalar silica to prevent scaling while retaining heat coupling

Country Status (1)

Country Link
DE (1) DE20219218U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10196743B2 (en) 2012-11-21 2019-02-05 Epg (Engineered Nanoproducts Germany) Ag Highly abrasion-resistant anti-limescale layers with high chemical resistance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10196743B2 (en) 2012-11-21 2019-02-05 Epg (Engineered Nanoproducts Germany) Ag Highly abrasion-resistant anti-limescale layers with high chemical resistance
EP2922981B1 (en) * 2012-11-21 2019-09-11 EPG (Engineered nanoProducts Germany) AG Highly abrasion-resistant anti-lime layers with high chemical resistance

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20030410

R150 Term of protection extended to 6 years

Effective date: 20051221

R157 Lapse of ip right after 6 years

Effective date: 20090701