SINOMER® HPN-204 is a versatile, high molecular weight diol. It is a key building block in the synthesis of high-performance polymers, notably polyesters and polyurethanes. Its unique sterically hindered structure imparts exceptional durability and performance characteristics to the final products, making it a preferred choice for demanding applications in coatings and adhesives.
SINOMER® HPN-204
(Hydroxypivalic acid neopentylglycol ester)
Chemical Name: Hydroxypivalic acid neopentylglycolester;Neopentyl glycol monohydroxypivalate;Hydroxyneopentyl hydroxypivalate
CAS No.: 1115-20-4
MF: C10H20O4 MW：204.26
Molecular structure：
SINOMER® HPN-204 is a versatile, high molecular weight diol. It is a key building block in the synthesis of high-performance polymers, notably polyesters and polyurethanes. Its unique sterically hindered structure imparts exceptional durability and performance characteristics to the final products, making it a preferred choice for demanding applications in coatings and adhesives.
Item | Specification |
Appearance | White solid |
Assay, (%) | ≥97.5 |
Acid value,(mgKOH/G) | ≤5.0 |
Enhanced Flexibility & Hardness Balance: Provides an excellent balance between hardness and flexibility in polyurethane resins, leading to improved impact resistance.
Superior Hydrolytic Stability: Offers high resistance to degradation by water, ensuring long-term performance and exterior durability.
Excellent UV Resistance: Imparts strong resistance to ultraviolet (UVA/UVB) radiation, preventing yellowing and degradation in outdoor applications.
Crystallization Suppression: Its tendency to suppress crystallization in polymers improves transparency and maintains consistency in reactive hot melt adhesives.
Lower Melting & Glass Transition Temperature: Compared to standard diols like NPG, it results in lower melting points and glass transition temperatures, beneficial for powder coatings and resin processability.
High Molecular Weight & Low VOC: Contributes to high solid formulations, reducing the need for solvents and minimizing VOC emissions.
Improved Flow and Leveling: Enhances the film appearance in coatings by promoting better flow and leveling during the cure process.
Adhesives & Sealants:
Reactive Hot Melt Adhesives: Improves transparency and flexibility.
Polyurethane Adhesives: Offers a good balance of hardness, flexibility, and adhesion.
Coatings:
Automotive Coatings: Ideal for primer surfacers, providing increased chip resistance.
Coil Coatings: Imparts a high degree of flexibility and exterior durability.
Powder Coatings: Lowers melting temperature, improves flow and leveling, and enhances overall appearance without compromising stability.
General Industrial Coatings: Used in polyesters and polyurethanes for enhanced durability.
20kgs or 200kgs/drum.
Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.
