Description
DMPA Waterborne PU Chain Extender & Internal Emulsifier
CHLUMICURE® DMPA, CAS 4767-03-7. DMPA (dimethylolpropionic acid) contains hydroxyl and carboxyl functionality. It is used as a hydrophilic chain extender and internal emulsifier in waterborne polyurethane, including polyurethane dispersions (PUDs).
Identification des produits
| Marque | CHLUMICURE® |
|---|---|
| Modèle | DMPA |
| Nom chimique | 2,2-Bis(hydroxymethyl)propionic acid |
| No CAS | 4767-03-7 |
| Chemical Class | Hydrophilic diol with a carboxyl group |
| Formule moléculaire | C5H10O4 |
Applications
- Waterborne polyurethane resin and dispersion development.
- Polyurethane leather-finishing systems.
- Hydrophilic modification of compatible waterborne polyester and alkyd resins.
Published Supplier Reference Data
The following values are reported for the reference supplier’s grade and are provided for preliminary selection only. They are not confirmed CHLUMICURE® sales specifications or lot test results. Obtain the current specification and COA for the grade offered before ordering.
| Apparence | Cristaux blancs |
|---|---|
| Contenu | ≥98.0 wt% |
| Humidité | ≤0.3 wt% |
| Plage de fusion | 180–190 °C |
| Frêne | ≤0.03% |
Grade Selection and Processing
This is a waterborne-resin building block, not a conventional aromatic amine curative for cast elastomers. Confirm the incorporation and neutralization strategy with the resin formulation. DMPA and DMBA have different chemical identities and should not be substituted at an unchanged weight ratio without evaluation.
Tell us the resin or prepolymer type, processing method and required end-use properties. Agree the reactive-group balance, working time and cure conditions with your formulation team. No universal dosage or guaranteed finished-product performance is specified here.
Packaging, Storage and Safety
Package size, availability, lead time and shelf life are subject to confirmation in the quotation. Request the current TDS, SDS and available batch COA. Follow the supplied SDS and label for storage, protective measures, transport and disposal. This product page does not replace safety documentation.
Request Pricing or Samples
Quote CHLUMICURE® DMPA, CAS 4767-03-7, and provide your application, quantity and destination. Use the inquiry form below or contact info@longchangchemical.com.
Produits associés
Explore CHLUMICURE® Curing Agents & Chain Extenders
Technical Reference
Public product information reviewed on 24 September 2026: Jiangxi Keding — DMPA; Perstorp — DMPA Regular application information. Reference brands identify the source only; affiliation, identical grade specifications and interchangeability are not implied.
