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Special Solvents

Clariant's Special Solvent business offers a broad range of polyalkylene glycols diethers as solvents and additives for various applications in the chemical industry.

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Jeff McManus

Jeff McManus

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  • Polyethyleneglycol Dialkyl Ethers as Solvents

    Clariant's Special Solvent business offers a broad range of polyethylene glycol dialkyl ethers. They do not contain any free hydroxyl functionalities which results in being chemically inert and thermally stable in comparison to polar but protic solvents. Clariant’s polyglycol dialkyl ethers dissolve a wide range of organic compounds as well as stabilize metal ions in solution, lending themselves to being versatile solvents in chemical processes, particularly when organometallic reagents are involved.

  • Polyethylene Glycol Dimethyl Ethers as Additives

    Clariant's Special Solvent business offers a range of high molecular weight polyethylene glycol ethers to be used as additives. The products are not single substances, but polymers with statistic homologue distributions. The liquids or waxy solids do not contain any free hydroxyl functionalities which results in being chemically inert and thermally stable in comparison to polar but protic solvents. Clariant’s polyglycol dialkyl ethers dissolve a wide range of organic compounds as well as stabilize metal ions in solution, lending themselves to being versatile additives in chemical processes or coatings.

    • Polyglycol DME 500

      Polyglycol DME 500 can be used as an inert solvent and plasticizer in paints & coatings as well as reaction solvent or as PTC as cost-effective alternative to crown-ethers. more

    • Polyglycol DME 1000

      Polyglycol DME 1000 can be used as an inert high temperature solvent , as plasticizer for polymers or PTC as cost-effective alternative to crown-ethers and as additive for electroplating more

    • Polyglycol DME 2000

      Polyglycol DME 2000 can be used as an inert high temperature solvent , as plasticizer for polymers or PTC as cost-effective alternative to crown-ethers and as additive for electroplating more

    • Monoethylene glycol dimethyl ether

      Monoethylene glycol dimethyl ether is an inert solvent especially well suited for API synthesis. more

  • NMP Replacement

    Dipropylene glycol dimethyl ether (DPGDME) is a very versatile and environmentally friendly solvent. It is not listed as a hazardous air pollutant (HAP), has low toxicity and offers an alternative to solvents being phased out as result of the Clean Air Act. DPGDME is an aprotic solvent with excellent chemical stability and outstanding solvency for organic materials.

    DPGDME is used as solvent for formulating polyurethane dispersions as a substitute and alternative to NMP (N-methyl pyrrolidone) or NEP (N-Methyl-pyrrolidone). DPGDME based PU dispersions (PUDs) are used for coatings where solvents with low toxicity are mandatory such as parquet lacquers or for leather finishing / coating of car and aircraft upholstery.

    NMP is listed under Proposition 65 as known to cause reproductive toxicity and therefore will have to be substituted in many applications on medium term. Dipropylene glycol dimethyl ether is an excellent replacement for NMP. Mixtures of DPGDME with N-methyl pyrrolidone dissolve DMPA (dimethylol propionic acid) and allow for formulating products with reduced NMP content when a complete substitution is not feasible.

    Generally dipropylene glycol dimethyl ether is used in waterborne coatings and high solids coatings. It is used to produce binders (for acrylic paints) and acts as coalescing agent. It is widely used in two-pack PU coatings.

    DPGDME is a very strong solvent for coatings and paints. It is used in paint strippers, coatings-and graffiti removers and industrial cleaners for degreasing. In some of the mentioned applications, small amounts of a protic solvent is added to improve the soil release effect. DPGDME also is a substitute for chlorinated solvents like methylene chloride or trichloro ethylene in paint and varnish removers and strippers.

    DPGDME is also used to formulate hard surface cleaners containing bleach (hypochloride based). DPGDME is bleach-compatible and improves the ability of cleaners to remove grease and enhances the disinfecting properties.

    Having no free hydroxyl functionality, DPGDME is used as inert solvent for electrodeposition coatings. Such coatings are mainly based on cationic epoxy resins.

  • Reactive Polyalkylene Glycol Diethers

    With their allyl double bond, the reactive glycol diethers ("Polyglycol AM and AB" types) contain a reactive functional group. For a variety of different applications, the polyglycol allyl methyl ethers are reacted with silicon compounds to obtain polyether modified siloxanes. In this Platinum-catalyzed hydrosilylation reaction the allylic C=C bond of the functional polyglycol is reacted with the Si-H bond of the silicon compound.

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This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application.<br />
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* Nothing included in this information waives any of Clariant’s General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing Clariant products, are available upon request and are provided in compliance with applicable law. You should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact Clariant.<br />
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