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Hydrophilic Chain Extenders — DMPA and DMBA
Hydrophilic Chain Extenders — DMPA and DMBA

2026-03-27

As carboxylic acid-type hydrophilic chain extenders, DMPA and DMBA have found widespread application in the production of water-based polyurethanes, thanks to their unique molecular structures and superior performance characteristics. Our company maintains a robust cooperative relationship with our manufacturing partners, ensuring a stable and consistent supply of these products over the long term. Furthermore, we offer a comprehensive range of complementary products for the water-based polyurethane resin, coating, and related industries—including DMPA-modified polyester polyols, water-based wetting and leveling agents, water-based antioxidants, water-based light stabilizers, as well as eco-friendly catalysts (such as organic bismuth compounds) and tin catalysts (e.g., T-12).

DMPA character

value

Molecular weight

134.13

Acid value, mg KOH/g

410 -415

Melting point, ° C.

170-180

Flash point

220 ° C

Decomposition temperature

230 ° C

Solvent solubility, g / 100 g 25 ° C

Water

11

Acetone

2.3

Ethanol

Insoluble


DMBA

Appearance：White powder

Active content(%)：≥99

Molecular formula： C6H12O4

Molecular weight：148.16

CAS No.： 10097-02-6

Melt pont (℃)： ≥108

Hydroxyl value (mgKOH/g)： 728~782

Acid value (mgKOH/g)： 374.3~378.2

Water content (%)： ≤0.3

Residual formaldehyde (%): ≤0.03

Ash content (%): ≤0.03

Acetone-triethylamine dissolution test: Clear transparent

Water-based polyurethane is an environmentally friendly polymeric material widely utilized in eco-conscious coatings, leather products, adhesives, inks, and various surface finishes. Driven by the ever-increasing market demand for eco-friendly materials—and compounded by current and anticipated future challenges facing solvent-based polyurethanes (such as supply shortages of key solvents like DMF and persistently high production costs)—the water-based polyurethane industry is poised for significant growth opportunities. Consequently, as essential synthetic auxiliaries for water-based polyurethanes, DMPA and DMBA are also expected to experience accelerated market growth, promising a bright outlook for their future development.

Anhui Sinograce Chemical Co., Ltd.
Inquiry Hotline:+86 0551 63459511
For more information regarding our company, products, and services, please visit our official website: https://www.sinogracechem.com/

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