DPM - Dipropylene glycol methyl ether
DPM (dipropylene glycol methyl ether) is a polar organic solvent from the glycol ether family, with medium‑low volatility and mild odor. It is highly miscible with water and with most polar and many non‑polar solvents, providing strong solvency for a wide range of polymer resins, oils and additives. Compared with classical fast‑evaporating solvents, DPM evaporates more slowly, delivering extended open time, improved leveling and controlled drying, which is critical in cleaning products, coatings, printing inks, adhesives and electronics applications.
Source
- produced industrially by reacting propylene oxide with methanol, forming a mixture of dipropylene glycol methyl ether isomers
- based on petrochemical feedstocks, under strictly controlled synthesis conditions to ensure consistent quality
- followed by distillation and purification to meet defined specifications (moisture, color, acid value, by‑product content)
- supplied as a colorless, low‑odor, high‑purity liquid, suitable for low‑VOC and modern industrial formulations
Variations
- standard industrial‑grade DPM – for coatings, inks, adhesives and cleaning agents
- high‑purity / electronics grade – with reduced ion and metal content for electronic and high‑tech applications
- blends with other glycol ethers and co‑solvents – to fine‑tune evaporation rate, rheology and solvency
- low‑moisture grades – for water‑ and moisture‑sensitive systems (e.g. certain electronic or reactive systems)
Applications In The Industry
Industrial cleaning industry
DPM is a powerful co‑solvent in professional and technical cleaning products, providing high solvency for oils, greases, polymer films and industrial soils. Its full miscibility with water enables efficient, low‑odor cleaners for hard surfaces, floors, machinery and equipment parts. The slower evaporation extends contact time on the surface, enhances the action of active ingredients and reduces the need for intensive mechanical agitation.
Adhesives and sealants industry
In adhesives and sealants, DPM acts as a solvent and rheology modifier, improving flow, application properties and open time. It is particularly important in water‑borne and hybrid systems, where it enhances substrate wetting (metal, plastics, wood, paper) and polymer dispersion stability. Its controlled evaporation rate helps prevent premature surface skinning, enabling uniform strength build‑up and durable adhesion.
Electronics industry
In the electronics industry, DPM is used in cleaning and degreasing formulations as well as in specialized pastes, coatings and inks for printed circuit boards and components. Its controlled volatility ensures uniform drying without craters or stains on delicate structures, while good compatibility with polymeric binders facilitates precise viscosity adjustment and particle stability. In high‑purity grades (low ions and metals) it contributes to high reliability and long‑term stability of electronic assemblies.
Printing inks and printing industry
DPM is a key component in water‑borne and solvent‑borne inks, where it influences viscosity, drying rate and wetting behavior. Thanks to its slower evaporation it improves on‑press ink stability, reduces the risk of drying on plates, cylinders or rollers and ensures consistent print quality over long runs. Its good solvency for resins and additives supports inks with good gloss, coverage and adhesion on various substrates such as paper, films and board.
Paints and coatings industry
In the paints and coatings industry, DPM is used as a co‑solvent to improve leveling, rheology and adhesion, especially in water‑borne, low‑VOC and high‑solids systems. Acting as a coupling solvent, it increases compatibility between the aqueous phase and organic resins, boosting formulation stability and reducing phase separation. The extended open time provided by DPM minimizes brush and roller marks, orange peel and film defects, resulting in smooth, uniform and durable coatings.
Benefits Of Use
- strong yet controlled solvent with slower evaporation, providing longer open time and better leveling
- full miscibility with water and many organic solvents, enabling high formulation flexibility
- improved solvency and performance in cleaners, coatings, inks and adhesives with reduced odor
- more stable formulations and higher surface quality in modern low‑VOC and high‑performance systems
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