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EP2698421B1 - Schmiermittel auf Wasserbasis - Google Patents

Schmiermittel auf Wasserbasis Download PDF

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Publication number
EP2698421B1
EP2698421B1 EP12180569.1A EP12180569A EP2698421B1 EP 2698421 B1 EP2698421 B1 EP 2698421B1 EP 12180569 A EP12180569 A EP 12180569A EP 2698421 B1 EP2698421 B1 EP 2698421B1
Authority
EP
European Patent Office
Prior art keywords
water
based lubricant
lubricant
oil
organic polymer
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.)
Active
Application number
EP12180569.1A
Other languages
English (en)
French (fr)
Other versions
EP2698421A1 (de
Inventor
Kai Salo
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.)
Sika Technology AG
Original Assignee
Sika Technology AG
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 Sika Technology AG filed Critical Sika Technology AG
Priority to EP12180569.1A priority Critical patent/EP2698421B1/de
Publication of EP2698421A1 publication Critical patent/EP2698421A1/de
Application granted granted Critical
Publication of EP2698421B1 publication Critical patent/EP2698421B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/105—Silica
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/36—Release agents or mold release agents

Definitions

  • the present invention is directed at a water-based lubricant which is preferably free of oils.
  • the water-based lubricant according to the present invention comprises water, at least one organic polymer and at least one polyhydric alcohol.
  • GB1563789 teaches an aqueous lubricant composition, the lubricant comprising at least one alkali metal salt of at least one aliphatic monocarboxylic acid, an at least partially water-soluble bactericide, and water.
  • Such lubricant compositions can be used for the assembly of push-fit pipes.
  • the present invention is directed at a water-based lubricant comprising water, at least one organic polymer and at least one polyhydric alcohol.
  • the water-based lubricant comprises less than about 1 wt.-% oil, more preferably less than about 0.5 wt.-% oil, even more preferably less than about 0.1 wt.-% oil and most preferably is essentially free of oil.
  • Oil as this expression is used in the context of the present invention, encompasses mineral oils as well as synthetic oils. These oils primarily comprise hydrocarbon components, in particular linear or branched alkanes. Mineral oils include white oils, liquid paraffin and liquid petroleum. Synthetic oils are e.g. alkanes obtainable by a Fischer-Tropsch process.
  • the organic polymer in the water-based lubricant is preferably a synthetic polymer.
  • the organic polymer is a polycarboxylate and a polyacrylic acid.
  • the organic polymer may also comprise natural organic polymers such as starches, celluloses, alginates, etc.
  • it is preferred that the water-based lubricant is essentially free of non-modified natural organic polymers.
  • Non-modified in the context of this application means, that the natural polymer is not chemically modified such as for example by alkylation, crosslinking, etc.
  • the content of the organic polymer in the water-based lubricant preferably is in the range of about 5 to 20 wt.-% and more preferably about 7 to 15 wt.-%, based on the total weight of the water-based lubricant.
  • composition may also comprise a base in a concentration sufficient to adjust the pH of the lubricant to the desired range.
  • a preferred base for use in the water-based lubricant according to the present invention is an alkali or earth alkali hydroxide, most preferably sodium or potassium hydroxide.
  • the polyhydric alcohol for use in the water-based lubricant according to the present application is preferably a dihydric alcohol, and more preferably an alkylene diol, most preferably propylene glycol. Mixtures of two or more polyhydric alcohols may also be used.
  • the polyhydric alcohol may be included into the water-based lubricant according to the present application with a content of preferably from about 10 to 35 wt.-%, more preferably about 15 to 30 wt.-%, and even more preferably about 20 to 25 wt.-%, based on the total weight of the water-based lubricant.
  • the water-content of the water-based lubricant according to the present application is preferably in the range of from about 20 to 75 wt.-%, more preferably about 40 to 70 wt.-%, and most preferably about 55 to 65 wt.-%, based on the total weight of the water-based lubricant.
  • the water-based lubricant may further comprise one or more additives selected from stabilizers, surfactants, defoamers, preservatives, colloidal silica, corrosion inhibitors, pigments, fragrances and soaps.
  • a preferred stabilizer for use in the practice of the present invention is a synthetically modified natural polymer.
  • a particular preferred synthetically modified natural polymer for use in the present application is an alkoxylated cellulose, preferably hydroxy ethyl cellulose. Hydroxy ethyl cellulose is for example commercially available as Natrosol® 250 from Ashland Speciality Ingredients. If the water-based lubricant contains an alkoxylated cellulose, this is preferably included in an amount of from about 1 to 5 wt.-%, preferably in an amount of from about 2 to 4.5, and in particular about 2.5 to 3.5 wt.-%, based on the total weight of the water-based lubricant.
  • a preferred defoamer is a defoamer based on fatty acids.
  • Such defoamer is for example commercially available as Pronal 754S from Sika.
  • a preferred soap for use in the practice of the present application is mustikka bliw.
  • Colloidal silica may be incorporated into the water-based lubricant according to the present application in an amount of from about 0.5 to 5 wt.-%, preferably, in an amount of from about 1 to 3 wt.-%, and in particular in an amount of from about 1.2 to 2.5 wt.-% based on the total weight of the water-based lubricant.
  • Colloidal silica is for example available under the trade name Sika Stabilizer-100® from Sika.
  • a preferred preservative for use in the practice of the present application is phenyl methoxy methanol which is available for example as Preventol D2 from Priechel GmbH.
  • the combined amounts of defoamers, preservatives, soaps and surfactants do not exceed about 5 wt.%, preferably the amount is equal or less than about 3 wt.-%.
  • the water-based lubricant comprises about 55 to 65 wt.-% water, about 7 to 15 wt.-% of at least one organic polymer and about 20 to 28 wt.-% of at least one polyhydric alcohol in addition to colloidal silica, a defoamer, a stabilizer, a preservative and a surfactant.
  • the present application is further directed to a method of preparing a water-based lubricant as described above, which comprises a step of mixing water with at least one organic polymer and at least one polyhydric alcohol to obtain a lubricant. Also in this method it is preferred that during the preparation of the lubricant less than about 1 wt.-%, preferably less than about 0.5 wt.-%, and even more preferably, less than about 0.1 wt.-% of an oil is added to the composition.
  • a further embodiment of the present application is directed at the use of a lubricant as described above, for the fitting together of concrete pipes.
  • the water-based lubricant replaces at least a fraction of a regular mineral oil-based lubricant, preferably at least about 50% of said lubricant, more preferably at least about 80% of said lubricant and most preferably replaces essentially all of the conventional oil-based lubricant.
  • the water-based lubricants according to the present application are advantageous over conventional mineral oil-based lubricants as described above, in that they are environmentally friendly by reducing the amount of oils needed.
  • the lubricant requires the addition of less components which are based on conventional mineral oils resulting in significant cost-benefits with regard to oil-based lubricants.
  • the lubricants are easy to manufacture and handle, and easy to wash off from cloth, equipment, floor, skins which have been stained with the lubricants.
  • the water-based lubricants are frost resistant down to -15 °C.
  • water-based lubricant will be illustrated by way of examples, which however should not be considered as limiting in any way to the scope of the present application.
  • Table 1 Two water-based lubricants are prepared by mixing the ingredients indicated in Table 1.
  • Table 1 Component Amount Polycarboxylate 7.65% 10.0% Propylene glycol 23% 23% NaOH liquid 10% 5.1% 4.6% Hydroxy ethyl cellulose 3.4% 2.5% Colloidal silica 3.1% 2.25% Sika Pump* 10.6% 7.80% Defoamer 0.08% 0.06% Preservative 0.07% 0.05% Soap 0.1% 0.08% Water the remainder up to 100% the remainder up to 100% *Sika Pump is a mix of 80-90% water, 1-5% Glycerin and long polymers.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Claims (7)

  1. Wasserbasiertes Schmiermittel, umfassend 20 bis 75 Gew.-% Wasser, 5 bis 20 Gew.-% mindestens eines organischen Polymers, 10 bis 35 Gew.-% mindestens eines mehrwertigen Alkohols und weniger als 1 Gew.-% eines Öls, wobei das organische Polymer ein synthetisches Polymer in Form eines Polycarboxylats ist, bei welchem es sich um eine Polyacrylsäure handelt.
  2. Wasserbasiertes Schmiermittel nach Anspruch 1, wobei das Schmiermittel weniger als 0,5 Gew.-% und weiter bevorzugt weniger als 0,1 Gew.-% eines Öls umfasst.
  3. Wasserbasiertes Schmiermittel nach einem der vorhergehenden Ansprüche, wobei es sich bei dem mehrwertigen Alkohol um Propylenglykol handelt.
  4. Wasserbasiertes Schmiermittel nach einem der vorhergehenden Ansprüche, ferner umfassend einen Stabilisator, vorzugsweise eine alkoxylierte Cellulose.
  5. Wasserbasiertes Schmiermittel nach einem der vorhergehenden Ansprüche, ferner umfassend mindestens ein Additiv, das aus kolloidalem Siliciumdioxid ausgewählt ist.
  6. Verfahren zur Herstellung eines wasserbasierten Schmiermittels nach einem der Ansprüche 1 bis 5, bei dem man Wasser mit mindestens einem organischen Polymer und mindestens einem mehrwertigen Alkohol unter Erhalt eines Schmiermittels mischt, wobei das organische Polymer ein synthetisches Polymer in Form eines Polycarboxylats ist, bei welchem es sich um eine Polyacrylsäure handelt.
  7. Verwendung eines Schmiermittels nach einem der Ansprüche 1 bis 5 zum Zusammenfügen von Betonrohren.
EP12180569.1A 2012-08-15 2012-08-15 Schmiermittel auf Wasserbasis Active EP2698421B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12180569.1A EP2698421B1 (de) 2012-08-15 2012-08-15 Schmiermittel auf Wasserbasis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12180569.1A EP2698421B1 (de) 2012-08-15 2012-08-15 Schmiermittel auf Wasserbasis

Publications (2)

Publication Number Publication Date
EP2698421A1 EP2698421A1 (de) 2014-02-19
EP2698421B1 true EP2698421B1 (de) 2020-02-26

Family

ID=46750215

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12180569.1A Active EP2698421B1 (de) 2012-08-15 2012-08-15 Schmiermittel auf Wasserbasis

Country Status (1)

Country Link
EP (1) EP2698421B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563789A (en) * 1978-05-30 1980-04-02 Bentley & Co Ltd I Lubricant compositions
EP2423246A1 (de) * 2009-04-20 2012-02-29 Japan Atomic Energy Agency Verfahren zur herstellung eines gels eines carboxymethylcellulose-alkalimetallsalzes
WO2013160101A1 (en) * 2012-04-26 2013-10-31 Basf Se Novel vapor space anticorrosive composition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5626994A (en) * 1979-08-08 1981-03-16 Tachibana Shokai:Kk One-pack type friction-reducing agent
WO2001098441A1 (en) * 2000-06-23 2001-12-27 Pentasol (Fb) Limited Conveyor lubricant
JP4996810B2 (ja) * 2000-09-29 2012-08-08 ケルサン・テクノロジーズ・コーポレイション 摩擦調節組成物
EP1900702A1 (de) * 2006-09-15 2008-03-19 Sika Technology AG Formtrennmittelzusammensetzung.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563789A (en) * 1978-05-30 1980-04-02 Bentley & Co Ltd I Lubricant compositions
EP2423246A1 (de) * 2009-04-20 2012-02-29 Japan Atomic Energy Agency Verfahren zur herstellung eines gels eines carboxymethylcellulose-alkalimetallsalzes
WO2013160101A1 (en) * 2012-04-26 2013-10-31 Basf Se Novel vapor space anticorrosive composition

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EP2698421A1 (de) 2014-02-19

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