Polymerized Pentaerythritol Ester Resin BJ07-F Antioxidant and moisture resistance properties
Polymerized Pentaerythritol Ester Resin is a high-molecular-weight resin produced through the polymerization reaction of pentaerythritol with polybasic fatty acids. Its molecular structure features multiple branched chains and a cross-linked network, combining high hardness, flexibility, and excellent chemical stability. Suitable for high-end coatings, inks, adhesives, and composite materials, it significantly enhances the mechanical properties and durability of materials.
Project | Technical Specifications | Test Method |
Appearance | Pale yellow to amber transparent solid | by visual inspection |
Acid Value (mg KOH/g) | ≤2.0 | GB/T 2895-2008 |
Base Value (mg KOH/g) | 80-100 | GB/T 7383-2007 |
Softening Point (°C) | 110-120 | GB/T 4507-2014 |
Molecular Weight (Mw) | 5000-8000 | Gel Permeation Chromatography (GPC) |
Viscosity (25°C, mPa·s) | 8000-12000 | Rotational Viscometer Method |
Ash Content (%) | ≤0.1 | GB/T 508-1985 |
- Parameters
Project | Technical Specifications | Test Method |
Appearance | Pale yellow to amber transparent solid | by visual inspection |
Acid Value (mg KOH/g) | ≤2.0 | GB/T 2895-2008 |
Base Value (mg KOH/g) | 80-100 | GB/T 7383-2007 |
Softening Point (°C) | 110-120 | GB/T 4507-2014 |
Molecular Weight (Mw) | 5000-8000 | Gel Permeation Chromatography (GPC) |
Viscosity (25°C, mPa·s) | 8000-12000 | Rotational Viscometer Method |
Ash Content (%) | ≤0.1 | GB/T 508-1985 |
I. Product Overview:
Polymerized Pentaerythritol Ester Resin is a high-molecular-weight resin produced through the polymerization reaction of pentaerythritol with polybasic fatty acids. Its molecular structure features multiple branched chains and a cross-linked network, combining high hardness, flexibility, and excellent chemical stability. Suitable for high-end coatings, inks, adhesives, and composite materials, it significantly enhances the mechanical properties and durability of materials.
Specification
Project | Technical Specifications | Test Method |
Appearance | Pale yellow to amber transparent solid | by visual inspection |
Acid Value (mg KOH/g) | ≤2.0 | GB/T 2895-2008 |
Base Value (mg KOH/g) | 80-100 | GB/T 7383-2007 |
Softening Point (°C) | 110-120 | GB/T 4507-2014 |
Molecular Weight (Mw) | 5000-8000 | Gel Permeation Chromatography (GPC) |
Viscosity (25°C, mPa·s) | 8000-12000 | Rotational Viscometer Method |
Ash Content (%) | ≤0.1 | GB/T 508-1985 |
Features
III. Product Features or Performance
Balanced High Hardness and Flexibility: Molecular chain cross-linking design achieves both 2H pencil hardness (60° angle) and crack-free bending diameter ≤1mm.
Chemical Stability: Resistant to acids, alkalis, and solvent corrosion, suitable for extreme environments.
Thermal Stability:
Softening point 110-120°C, short-term heat resistance up to 180°C, long-term heat resistance up to 150°C.
Gloss Retention:
Post-film gloss ≥98 (60° angle), suitable for high-gloss coatings.
Compatibility:
Excellent compatibility with acrylic, epoxy, polyurethane, and other resins.
Core Content Comparison
Comparison Item | Polymerized Pentaerythritol Ester Resin | Standard Pentaerythritol Resin | Advantages |
Hardness | 2H (60° angle) | H (60° angle) | Enhanced scratch resistance |
Flexibility | Bending diameter ≤1mm without cracking | Bending diameter ≤3mm | Balances flexibility and hardness |
Thermal Stability | Short-term temperature resistance 180°C | Short-term temperature resistance 120℃ | Suitable for high-temperature baking processes |
Gloss | ≥98 (60° angle) | ≤85 (60° angle) | Improves high-gloss coating quality |
Molecular Weight | 5000-8000 | 1000-3000 | Superior mechanical properties |
Environmental Friendliness | Low VOC (≤80g/L) | High VOC (≥200g/L) | Complies with environmental regulations |
Product Applications
Premium Coatings: OEM automotive paints, industrial anti-corrosion coatings, exterior architectural paints—enhances weather resistance and gloss retention.
Printing Inks: UV inks, offset inks—improves adhesion and drying speed.
Adhesives: Structural adhesives, composite adhesives—boosts bonding strength and temperature resistance.
Composite Materials: Glass fiber reinforced composites, carbon fiber composites—enhances mechanical properties.
3D Printing Materials: Used in stereolithography (SLA) or fused deposition modeling (FDM) processes to enhance printed part strength.
VI. Solvent Compatibility
Soluble in:
Alcohols: Ethanol, isopropanol
Esters: Ethyl acetate, butyl acetate
Aromatic hydrocarbons: Toluene, xylene
Ketones: Acetone, methyl ethyl ketone (requires heating for dissolution)
Insoluble solvents:
Water, light alkanes (n-hexane, cyclohexane)
Chlorinated hydrocarbons (trichloroethylene, carbon tetrachloride)
VII. Dosage
Paints/Inks: 8-15% of total formulation (based on solids content).
Adhesives: 5-10% of total formulation (adjust according to required bond strength).
Composites: 2-5% of resin matrix (enhances mechanical properties).
3D Printing Materials: 3-8% of total formulation (strengthens printed parts).
VIII. Packaging Specifications & Storage Conditions
Packaging: 25kg/bag
Storage:
Sealed and protected from light. Storage temperature ≤25°C, humidity ≤50%.
Shelf life: 18 months (unopened).
IX. Precautions
Safety precautions: Wear protective gloves and goggles during handling. Avoid direct skin contact.
Fire and Explosion Prevention: Keep away from ignition sources. Store in areas equipped with fire extinguishing equipment.
Solvent Compatibility: Conduct small-scale tests for solvent compatibility before dissolution to prevent separation or gelation.
Waste Disposal: Dispose of as hazardous chemical waste. Do not dump indiscriminately.
REMARK |
The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract. |
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