Poly [2-(dimethylamino) ethyl methacrylate]
Poly[2-(dimethylamino)ethyl methacrylate] is a water-soluble cationic polymer synthesized via free-radical polymerization of 2-(dimethylamino)ethyl methacrylate (DMAEMA) monomer. Custom molecular weights are available upon request.
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Poly [2-(dimethylamino) ethyl methacrylate]
Poly [2-(dimethylamino) ethyl methacrylate]
CAS：25154-86-3
Poly[2-(dimethylamino)ethyl methacrylate] is a water-soluble cationic polymer synthesized via free-radical polymerization of 2-(dimethylamino)ethyl methacrylate (DMAEMA) monomer.
Product Form
Appearance: White to pale yellow solid powder; transparent viscous liquid when dissolved in organic solvents
Stability Performance
Stable under normal temperature and dry conditions, resistant to weak acids. Ester bonds are prone to hydrolysis and degradation in strong alkaline or strong oxidizing environments.Thermal decomposition occurs at temperatures above 200°C, releasing irritating fumes of DMAEMA monomer.It exhibits high water absorption and swelling in acidic media, while dehydrating and shrinking under alkaline conditions.
Storage Requirements
Solid powder: Store hermetically at 2–8°C, protected from light, moisture and air at all times.Aqueous solution: Prepare immediately before use, seal under inert gas and refrigerate; long-term storage is prohibited to prevent oxidative deterioration.
| Molecular Weight | Purity |
| Mw：~2kDa | 96% |
Custom molecular weights are available upon request.
1. Biomedicine
Gene and nucleic acid delivery carriers: Its cationic chains bind DNA/RNA to achieve high-efficiency cell transfection.
Tumor-targeted sustained-release nanomicelles and microspheres: Protonate and swell in the weak acidic tumor microenvironment to realize site-specific drug release.
Tissue engineering hydrogels, cell culture scaffolds and blood purification separation membranes.
Coatings for biosensors, medical detection substrates responsive to pH and temperature.
2. Water Treatment & Environmental Adsorption Materials
Cationic polymeric flocculants
Adsorbent hydrogels for heavy metal ions (chromium, copper, lead) and anionic dyes
Charged ion-exchange membranes, seawater desalination separation membranes and decolorants for industrial wastewater
3. Coatings, Textiles & Personal Care
Cationic waterborne acrylic coatings, dye fixing mordants for paper and textiles
Antibacterial modified coatings for textiles that adsorb anionic stains on fabric surfaces
Cationic film-forming agents and mild thickening conditioning raw materials for hair care products
4. Polymer Modification & Scientific Research
GPC (Gel Permeation Chromatography) reference standards covering a full molecular weight range of 5,000 to 2,000,000
Co-modifier for acrylic and polyurethane resins to endow cationic adhesion and stimuli-responsive properties
Raw material for smart responsive hydrogels, microfluidic chip substrates and nano self-assembly template materials
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