2,2-Bis(Hydroxymethyl)Propionic Acid|Chain Extender Hydrophilic Agent DMPA
First, Physical Indicators
English Name: 2,2-Bis(Hydroxymethyl)Propionic Acid,Chain Extender Hydrophilic Agent DMPA
Chinese Name: 2,2-二羟甲基丙酸,扩链剂亲水剂DMPA
Chinese Alias: α,α-Bis(Hydroxymethylpropionic Acid),
Molecular Formula: C5H10O4
Molecular Weight: 134.13
C A S Number: 4767-03-7
Physical And Chemical Indicators: 2,2-Dimethylolpropionic Acid (Chain Extender Hydrophilic Agent DMPA) Is An Odorless, White Crystalline, Soluble In Water, Methanol, Dimethylformamide, Etc., Insoluble In Acetone, Benzene , Toluene And So On. . The Neopentyl Structure Gives It Good Heat Resistance, Water Resistance, And Color Stability. It Has Both The Properties Of Alcohols And The Nature Of The Structure Of The Hydroxy Acid Compounds, Giving It Some Special Uses.
Item | Indicator | Item | Indicator |
Melting Point (℃) | ≥180 | Iron Fe3+ (PPM) | ≤5 |
Content (%) | ≥99 | Sodium Na+ (PPM) | ≤50 |
Water (%) | ≤0.3 | Potassium K+ (PPM) | ≤10 |
Hydroxyl Value (mgKOH/g) | 810～860 | Phosphorus PO43- (PPM) | ≤10 |
Acid Value (mgKOH/g). | 414.2-418 | Silicon SiO2 (PPM) | ≤1 |
Wreckage (%) | ≤0.03 | Ash (%) | ≤0.03 |
Sulfate Ion SO42-(PPM) | ≤10 | ||
Acetone-Et3NSolube Experiment | Transparent | ||
Second:Use
2,2-Dimethylolpropionic Acid (Chain Extender Hydrophilic Agent DMPA) Uses: DMPA Is A Diol With Both Hydroxyl And Carboxyl Groups, Multifunctional Hindered, Free Acid Groups In The Base After Neutralization, The Water-Solubility or Dispersibility Of The Resin Can Be Actively Improved; Polar Groups Are Introduced To Improve The Adhesion Of The Paint And The Dyeing Performance Of The Synthetic Fiber; And The Alkali Solubility Of The Coating Is Increased. DMPA Is A Versatile organic Raw Material. This Product Is Both A Chain Extender And A Self-Emulsifying Property In The Manufacture Of Water-Borne Polyurethanes. It Can Be Made Into Self-Emulsifying Water-Based Polyurethanes With Excellent Stability; It Is Also Used In The Preparation Of Polyurethane Water-Emulsion Leather Finishing Agents, Which Are Traditional Waters. Upgrading Products Of Latex Polyacrylate Leather Finishes; Used As Additive To Improve Polyester Resins; Used As A Raw Material For The Manufacture Of Photosensitive Resins And Liquid Crystals; For Epoxy Ester Coatings, Polyurethane Elastomers And Powder Coatings; Magnetic Recording Materials And Their Adhesives For The Production Of Audio Tapes, Video Tapes, Computer Tapes, Data Recording Tapes And Magnetic Cards.
Three: Packaging
2,2-Dimethylolpropionic Acid (Chain Extender Hydrophilic Agent DMPA) Package And Storage: 25Kg Fiber Paper Drums, Stored In Ventilated, Dry, Away From The Fire, And Meet The Fire Protection Requirements Of The Warehouse.
