Hycryl
Hycryl is a specialized acrylic copolymer resin designed primarily for industrial and cosmetic applications. It appears as a white to off-white powder or granules with excellent film-forming, adhesive, and thickening properties. Known for its compatibility with a wide range of solvents and plasticizers, Hycryl 77 provides excellent clarity, flexibility, and durability in coatings, adhesives, and personal care formulations. Its balanced molecular weight and functional groups enable it to deliver strong binding and aesthetic properties in both aqueous and solvent-based systems.
Hycryl
Primary Uses
- Cosmetics and Personal Care
- Used as a film former in hair styling products (gels, sprays, mousses) to provide hold and flexibility without stickiness.
- Functions as a thickening agent and rheology modifier in creams, lotions, and gels for improved texture and stability.
- Employed as an adhesive binder in mascaras and eyeliners to enhance product longevity and water resistance.
- Acts as a binder in nail polishes to improve gloss, adhesion, and chip resistance.
- Industrial Coatings and Adhesives
- Utilized as a binder resin in solvent-based and water-based coatings, providing good adhesion to various substrates including metals, plastics, and glass.
- Used in adhesive formulations for packaging, labels, and laminates requiring strong, flexible bonds.
- Functions as a thickener and stabilizer in paints and varnishes to improve flow and prevent sagging.
- Printing Inks
- Incorporated as a resin binder in flexographic and gravure inks to enhance adhesion, drying, and print quality.
- Textile Finishing
- Used in textile coatings and finishes to improve fabric hand, durability, and water resistance.
Secondary Uses
- Pharmaceuticals
- Explored as a film-forming agent in controlled-release tablet coatings to modulate drug release profiles.
- Packaging
- Applied in coatings for flexible packaging films to improve barrier properties and printability.
- Construction
- Used as a component in specialty sealants and caulks for improved adhesion and flexibility.
1. Basic Identification Attributes
- Chemical Base: Acrylic copolymer resin
- Common/Trade Name: Hycryl 77
- CAS Number: Proprietary mixture (specific CAS not assigned)
- HS Code: 3906.90.99 (Acrylic Polymers)
- Synonyms: Acrylic resin; Acrylic copolymer
2. Physical & Chemical Properties
- Physical State: Powder or granules
- Color & Odor: White to off-white; mild or negligible odor
- Solubility: Soluble/dispersible in water and many organic solvents
- Glass Transition Temperature (Tg): Typically 60–80°C (varies by formulation)
- Film Formation: Forms clear, flexible films at ambient conditions
- pH: Typically neutral to slightly acidic in aqueous dispersions
3. Safety & Hazard Attributes
- GHS Classification: Generally considered non-hazardous; check specific SDS
- Toxicity: Low toxicity; non-irritant in typical applications
- Exposure Limits: Not established
4. Storage & Handling Attributes
- Container Type: Sealed plastic or paper bags with moisture barrier
- Storage Conditions: Store in a cool, dry place away from moisture and heat
- Shelf Life: 12–24 months under recommended conditions
- Handling Notes: Avoid dust formation; use proper ventilation
5. Regulatory & Compliance Attributes
- Complies with relevant cosmetic and industrial chemical regulations
- REACH registered for industrial applications
- Meets FDA guidelines for cosmetic use where applicable
6. Environmental & Health Impact
- Biodegradability: Partially biodegradable depending on formulation
- Ecotoxicity: Low to moderate; avoid release into aquatic environments
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified
Safety Handling Precautions
- PPE Required: Dust mask, gloves, and eye protection during handling
- Handling Guidelines: Use in well-ventilated areas; minimize dust inhalation
- Hygiene Practices: Wash hands after handling; avoid contact with eyes and skin
First Aid Measures
- Inhalation: Move to fresh air if irritation occurs
- Skin Contact: Wash thoroughly with soap and water
- Eye Contact: Rinse with plenty of water for 15 minutes; seek medical attention if irritation persists
- Ingestion: Rinse mouth; seek medical advice if discomfort occurs
Firefighting Measures
- Fire Hazards: Combustible dust; powder may ignite under certain conditions
- Extinguishing Media: Water spray, foam, dry chemical, or CO₂
- Special Precautions: Avoid dust cloud formation; use explosion-proof equipment
- Combustion Products: Carbon oxides and trace organic compounds
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