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Hydrocarbon Resins Petroleum
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Hydrocarbon Resins Petroleum are synthetic petroleum-derived resins produced through the polymerization of C5 (pentene) and C9 (nonene) fraction monomers. These resins appear as pale yellow to amber solid materials, usually in pellet or flake form, characterized by tackifying and adhesive properties. C5 resins are derived from aliphatic hydrocarbons, while C9 resins originate from aromatic hydrocarbons. Often blended, these resins provide a balance of hardness, tackiness, and compatibility with various polymers. Widely used as tackifiers, binders, and modifiers, C5 & C9 hydrocarbon resins enhance performance in adhesives, coatings, rubber compounding, and more.
Description
Hydrocarbon Resins Petroleum
Primary Uses
- Adhesives Industry
- Act as tackifiers and binding agents in pressure-sensitive adhesives (PSAs) such as tapes, labels, and sticky notes.
- Improve adhesion strength and bonding performance in hot melt adhesives (HMAs) used in packaging, bookbinding, woodworking, and footwear.
- Serve as compatibility enhancers between polymers and tackifiers in solvent-based and water-based adhesive formulations.
- Rubber and Tire Industry
- Function as softening and reinforcing agents in rubber compounding to enhance processing, tack, and grip of tires and conveyor belts.
- Improve low-temperature flexibility and abrasion resistance of rubber products.
- Paints and Coatings
- Used as modifiers to enhance gloss, hardness, and adhesion in industrial and automotive coatings.
- Improve flow and leveling characteristics in paints and varnishes.
- Printing Inks
- Serve as resins in printing inks to improve adhesion, gloss, and drying properties.
- Sealants and Caulks
- Provide tack and binding properties in sealants and caulks used in construction and automotive sealing applications.
- Plastic and Polymer Industry
- Employed as modifiers in plastic compounding to enhance impact strength and processability of polymers such as polystyrene and polyethylene.
Secondary UsesÂ
- Rubberized Asphalt
- Added to asphalt formulations to improve flexibility, adhesion, and durability of roofing and road materials.
- Hot Melt Road Marking Paints
- Used as film formers and tackifiers in road marking paints for improved durability and weather resistance.
- Cosmetics and Personal Care
- Occasionally used in specialty cosmetic adhesives (e.g., eyelash glue) for tack and durability.
KEY ATTRIBUTES
- Basic Identification Attributes
- Chemical Base: Petroleum-derived hydrocarbon polymers (C5 and C9 fractions)
- Common/Trade Name: Hydrocarbon Resins C5 & C9
- CAS Number: Mixtures (varies by resin type, typically proprietary blends)
- HS Code: 3905.90.00
- Molecular Formula: Complex mixture of C5 and C9 hydrocarbons polymerized
- Synonyms: C5 Resin, C9 Resin, Petroleum Hydrocarbon Resin, Tackifying Resin
- Physical & Chemical Properties
- Physical State: Solid (pellets, flakes, or powder)
- Color & Odor: Pale yellow to amber; mild petroleum odor
- Softening Point: Typically 90–120°C (Ring & Ball method)
- Density: Approx. 1.0–1.1 g/cm³
- Solubility: Soluble in aromatic and aliphatic solvents; insoluble in water
- Compatibility: Compatible with various polymers like natural rubber, styrene-butadiene rubber, ethylene-vinyl acetate, and others
- Safety & Hazard Attributes
- GHS Classification: Not classified as hazardous; combustible solid
- Toxicity: Low toxicity; no significant acute toxicity reported
- Exposure Limits: No specific occupational exposure limits established; avoid dust inhalation
- Storage & Handling Attributes
- Container Type: Sealed polyethylene bags or drums
- Storage Conditions: Store in cool, dry, well-ventilated area away from heat and ignition sources
- Shelf Life: 12–24 months under recommended conditions
- Handling Notes: Avoid dust generation; use proper PPE to prevent inhalation
- Regulatory & Compliance Attributes
- Complies with regulatory standards for industrial and commercial use
- Not intended for food contact unless specified by manufacturer
- REACH registered in applicable jurisdictions
- Environmental & Health Impact
- Biodegradability: Poorly biodegradable due to synthetic hydrocarbon nature
- Ecotoxicity: Low aquatic toxicity but avoid environmental release
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: No evidence of carcinogenic or mutagenic effects
SAFETY HANDLING PRECAUTIONS
- Safety Handling Precautions
- PPE Required: Dust mask or respirator, gloves, safety goggles
- Handling Guidelines: Use in well-ventilated areas; minimize dust exposure
- Hygiene Practices: Wash hands after handling; avoid ingestion and inhalation
- First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water; seek medical advice if irritation occurs
- Eye Contact: Rinse with plenty of water for 15 minutes; consult physician if irritation persists
- Ingestion: Rinse mouth; seek medical advice if large amounts ingested
- Firefighting Measures
- Fire Hazards: Combustible solid; dust may form explosive mixtures with air
- Extinguishing Media: Use foam, dry chemical, or COâ‚‚; avoid water jets on burning material
- Special Precautions: Wear protective equipment; prevent dust dispersion
- Combustion Products: Carbon monoxide, carbon dioxide, and hydrocarbons
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