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Send EmailAliphatic Hydrocarbon Resin, C5, C9, 68131-77-1, 64742-16-1
C5 ALIPHATIC HYDROCARBON RESIN
1. CHEMICAL IDENTITY AND DEFINITION
| Parameter | Description |
|---|---|
| Chemical Structure | Polymerization of aliphatic C5 monomers |
| CAS Number | Varies by manufacturer (e.g., 64742-16-1) |
| Chemical Class | Hydrocarbon resin / Aliphatic polymer |
| Appearance | Light yellow granules or solid form |
| Physical Form | Granules, flakes, or briquettes |
CHEMICAL DEFINITION:
C5 Aliphatic Hydrocarbon Resin is a low molecular weight thermoplastic polymer produced by catalytic or thermal polymerization of C5 (5-carbon) aliphatic monomer fractions (piperylene, isoprene, 1,3-pentadiene, cyclopentadiene, etc.) obtained from petroleum refining. It is characterized by light color, good tack properties, and high compatibility with various polymers.
2. PHYSICAL AND CHEMICAL PROPERTIES
| Property | Typical Value | Test Method |
|---|---|---|
| Appearance | Light yellow granules / solid | Visual |
| Softening Point (Ring & Ball) | 80 – 100 °C | ASTM E28 / ISO 4625 |
| Color (Gardner) | ≤ 3 | ASTM D1544 / ISO 4630 |
| Color (50% Toluene Solution) | ≤ 3 | - |
| Acid Value | ≤ 1.0 mg KOH/g | ASTM D974 / ISO 2114 |
| Density | ~0.95 – 1.05 g/cm³ | ASTM D792 |
| Melt Viscosity (160°C) | 100 – 500 mPa·s | ASTM D3236 |
| Molecular Weight (Mn) | 500 – 1,500 g/mol | GPC |
| Glass Transition Temperature (Tg) | ~40 – 60°C | DSC |
| Evaporation Residue | ≤ 0.5% | - |
| Ash Content | ≤ 0.1% | - |
| Chlorine Content | ≤ 50 ppm | - |
| Sulfur Content | ≤ 50 ppm | - |
3. SOLUBILITY AND COMPATIBILITY
| Solvent / Polymer | Compatibility |
|---|---|
| Aliphatic Hydrocarbons | Soluble |
| Aromatic Hydrocarbons | Soluble |
| Ester Solvents | Partially soluble |
| Ketones (Acetone, MEK) | Partially soluble |
| Alcohol, Water | Insoluble |
| Natural Rubber | High compatibility |
| Styrene-Butadiene Rubber (SBR) | High compatibility |
| Polyisoprene | High compatibility |
| Ethylene-Vinyl Acetate (EVA) | High compatibility |
| Polybutene | High compatibility |
| Polystyrene | Limited compatibility |
| Polyethylene | Limited compatibility |
4. APPLICATIONS
| Sector | Application |
|---|---|
| Adhesives | Hot melt adhesives (HMA), pressure-sensitive adhesives (PSA), labels, tapes, packaging adhesives |
| Rubber Industry | Processing aid and tackifier in rubber compounds |
| Paints & Coatings | Tack and adhesion promoter in coating formulations |
| Road Markings | Traffic paint and road marking materials |
| Printing | Printing inks (flexible packaging) |
| Packaging | Heat-sealable coatings |
5. SPECIFICATIONS (TYPICAL GRADE TYPES)
| Parameter | Standard Grade | High Quality |
|---|---|---|
| Softening Point | 80 – 95 °C | 90 – 100 °C |
| Color (Gardner) | ≤ 4 | ≤ 3 |
| Acid Value | ≤ 1.0 | ≤ 0.5 |
| Ash Content | ≤ 0.1% | ≤ 0.05% |
| Chlorine Content | ≤ 50 ppm | ≤ 20 ppm |
| Molecular Weight | Standard | Controlled |
6. PRODUCTION PROCESS
| Stage | Description |
|---|---|
| Raw Material | C5 fraction from petroleum cracking |
| Purification | Purification and concentration of monomer fraction |
| Polymerization | Catalytic or thermal polymerization (Friedel-Crafts catalysts or thermal) |
| Termination | Catalyst neutralization and washing |
| Distillation | Removal of solvent and low molecular weight components |
| Cooling | Cooling and solidification of molten resin |
| Granulation | Forming into granules, flakes, or briquettes |
| Packaging | 25 kg bags, 500–1000 kg big bags |
7. SAFETY AND TOXICOLOGY
| Parameter | Value |
|---|---|
| GHS Classification | Not classified (not hazardous) |
| Toxicity | Low toxicity |
| Skin Irritation | May cause mild irritation (molten state) |
| Eye Irritation | May cause mild irritation (molten state) |
| Inhalation | Dust/fume inhalation may cause irritation |
| Carcinogenicity | Not classified |
| Bioaccumulation | Not expected |
| Biodegradability | Limited biodegradability |
8. TRANSPORT INFORMATION
| Parameter | Information |
|---|---|
| UN Number | Not applicable (Not dangerous goods) |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Proper Shipping Name | C5 Hydrocarbon Resin |
| Marine Pollutant | No |
9. STORAGE AND HANDLING
| Parameter | Information |
|---|---|
| Storage Conditions | Cool, dry, well-ventilated area |
| Maximum Storage Temperature | ≤ 50 °C |
| Shelf Life | 24 months (in original packaging under recommended conditions) |
| Packaging Options | 25 kg bags, 500–1000 kg big bags |
| Hygroscopicity | Not hygroscopic |
Handling Notes:
-
Keep away from heat sources and open flames
-
Avoid dust formation
-
Ensure adequate ventilation during melting processes
-
Avoid skin contact with molten resin (burn risk)
C9 AROMATIC HYDROCARBON RESIN
1. CHEMICAL IDENTITY AND DEFINITION
| Parameter | Description |
|---|---|
| Chemical Structure | Polymerization of aromatic C9 monomers |
| CAS Number | 68131-77-1 |
| Chemical Class | Hydrocarbon resin / Aromatic polymer |
| Appearance | 3–8 mm granules or flakes, yellow–brown solid |
| Physical Form | Granules, flakes, powder, or briquettes |
CHEMICAL DEFINITION:
C9 Aromatic Hydrocarbon Resin is a low molecular weight thermoplastic polymer produced by catalytic or thermal polymerization of C9 (9-carbon) aromatic monomer fractions (indene, coumarone, styrene, methylstyrene, vinyltoluene, methylindene, etc.) obtained from petroleum refining. It is characterized by higher softening points, harder structure, darker color, and is preferred for applications requiring high temperature resistance.
2. PHYSICAL AND CHEMICAL PROPERTIES
| Property | Typical Value | Test Method |
|---|---|---|
| Appearance | 3–8 mm granules/flakes, yellow–brown solid | Visual |
| Softening Point (Ring & Ball) | 75 – 145 °C | ASTM E28 / ISO 4625 |
| Color (Gardner) | 5 – 8 | ASTM D1544 / ISO 4630 |
| Acid Value | ≤ 1.0 mg KOH/g | ASTM D974 / ISO 2114 |
| Iodine Value | ≤ 80 g I₂/100 g | - |
| Density | ~1.02 – 1.10 g/cm³ | ASTM D792 |
| Melt Viscosity (160°C) | 300 – 1,500 mPa·s | ASTM D3236 |
| Molecular Weight (Mn) | 400 – 1,200 g/mol | GPC |
| Glass Transition Temperature (Tg) | ~50 – 80°C | DSC |
| Evaporation Residue | ≤ 0.5% | - |
| Ash Content | ≤ 0.1% | - |
| Bromine Index | ≤ 100 mg Br/100 g | - |
| Sulfur Content | ≤ 100 ppm | - |
3. SOLUBILITY AND COMPATIBILITY
| Solvent / Polymer | Compatibility |
|---|---|
| Aromatic Hydrocarbons | Soluble |
| Aliphatic Hydrocarbons | Partially soluble / Insoluble |
| Ester Solvents | Soluble |
| Ketones (Acetone, MEK) | Soluble |
| Alcohol, Water | Insoluble |
| Polystyrene | High compatibility |
| SBR (Styrene-Butadiene Rubber) | Medium-High compatibility |
| EVA (Ethylene-Vinyl Acetate) | Medium compatibility |
| Natural Rubber | Limited compatibility |
| Polyethylene | Limited compatibility |
| Polypropylene | Limited compatibility |
4. APPLICATIONS
| Sector | Application |
|---|---|
| Adhesives | Hot melt adhesives (HMA), pressure-sensitive adhesives (PSA), adhesive tapes and labels |
| Printing Inks | Flexo and gravure printing inks |
| Rubber & Elastomers | Tire and elastomer modification, hardness and modulus enhancer |
| Floor Coatings | Industrial floor coatings, epoxy modification |
| Waterproofing Membranes | Bitumen modification, waterproofing materials |
| Paints & Coatings | Protective coatings, industrial paints |
| Road Markings | Traffic paint and road marking materials |
5. SPECIFICATIONS (TYPICAL GRADE TYPES)
| Parameter | Low Softening | Medium Softening | High Softening |
|---|---|---|---|
| Softening Point | 75 – 95 °C | 95 – 115 °C | 115 – 145 °C |
| Color (Gardner) | ≤ 6 | ≤ 7 | ≤ 8 |
| Acid Value | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 |
| Iodine Value | ≤ 80 | ≤ 80 | ≤ 80 |
| Ash Content | ≤ 0.1% | ≤ 0.1% | ≤ 0.1% |
6. PRODUCTION PROCESS
| Stage | Description |
|---|---|
| Raw Material | C9 aromatic fraction from petroleum cracking |
| Purification | Purification and concentration of monomer fraction |
| Polymerization | Catalytic or thermal polymerization (Friedel-Crafts catalysts or thermal) |
| Termination | Catalyst neutralization and washing |
| Distillation | Removal of solvent and low molecular weight components |
| Cooling | Cooling and solidification of molten resin |
| Granulation | Forming into 3–8 mm granules or flakes |
| Packaging | 25 kg Kraft bags, 500–1000 kg big bags, steel drums |
7. SAFETY AND TOXICOLOGY
| Parameter | Value |
|---|---|
| GHS Classification | Not classified (not hazardous) |
| Toxicity | Low toxicity |
| Skin Irritation | May cause mild irritation (molten state) |
| Eye Irritation | May cause mild irritation (molten state) |
| Inhalation | Dust/fume inhalation may cause irritation |
| Carcinogenicity | Not classified |
| Bioaccumulation | Not expected |
| Biodegradability | Limited biodegradability |
8. TRANSPORT INFORMATION
| Parameter | Information |
|---|---|
| UN Number | Not applicable (Not dangerous goods) |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Proper Shipping Name | C9 Hydrocarbon Resin |
| Marine Pollutant | No |
9. STORAGE AND HANDLING
| Parameter | Information |
|---|---|
| Storage Conditions | Cool, dry, well-ventilated area |
| Maximum Storage Temperature | ≤ 50 °C |
| Shelf Life | 24 months (in original packaging under recommended conditions) |
| Packaging Options | 25 kg Kraft bags, 500–1000 kg big bags, steel drums |
| Hygroscopicity | Not hygroscopic |
Handling Notes:
-
Keep away from heat sources and open flames
-
Avoid dust formation
-
Ensure adequate ventilation during melting processes
-
Avoid skin contact with molten resin (burn risk)
10. COMPARATIVE SUMMARY
| Property | C5 Aliphatic | C9 Aromatic |
|---|---|---|
| Chemical Structure | Aliphatic C5 monomers | Aromatic C9 monomers |
| CAS No | 64742-16-1 (typ.) | 68131-77-1 |
| Color | Light yellow (Gardner ≤ 3) | Yellow–brown (Gardner 5–8) |
| Softening Point | 80 – 100 °C | 75 – 145 °C |
| Hardness | Soft–medium | Hard |
| Tack Property | High | Low–medium |
| Polarity | Low | Medium–high |
| EVA Compatibility | High | Medium |
| SBR Compatibility | High | Medium–high |
| PS Compatibility | Limited | High |
| Color Stability | Good | Medium |
| Heat Resistance | Medium | High |
| Primary Use | Adhesives, tackifiers | Inks, modification |
11. SUMMARY AND CRITICAL WARNINGS
SUMMARY:
C5 Aliphatic and C9 Aromatic Hydrocarbon Resins are low molecular weight thermoplastic polymers produced by polymerization of monomer fractions obtained from petroleum refining. C5 resins are light-colored, have good tack properties, and are preferred in adhesives and rubber compounds, while C9 resins are harder, darker in color, and used in inks, coatings, and modification applications requiring high temperature resistance.
Key Properties (C5 Aliphatic):
| Property | Value |
|---|---|
| Appearance | Light yellow granules / solid |
| Softening Point | 80 – 100 °C |
| Color (Gardner) | ≤ 3 |
| Acid Value | ≤ 1.0 mg KOH/g |
| Primary Use | Adhesives, tackifiers |
Key Properties (C9 Aromatic):
| Property | Value |
|---|---|
| Appearance | Yellow–brown granules / flakes |
| Softening Point | 75 – 145 °C |
| Color (Gardner) | 5 – 8 |
| Acid Value | ≤ 1.0 mg KOH/g |
| Primary Use | Inks, modification |
Important Disclaimer: This Technical Data Sheet (TDS) is for informational purposes only. The information provided is based on available data and is believed to be accurate. However, the user is solely responsible for determining the suitability of the product for their specific applications and for complying with all applicable regulations and safety requirements. For complete safety, handling, storage, and regulatory compliance information, always refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. Users are responsible for testing the product in their own processes and applications.
