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Polyglykol 9000 S is a polyethylene glycol (PEG) produced by Clariant, characterized by a mean molecular weight of 9000 g/mol and supplied in flake form.
Polyglykol 9000 S serves as a solvent and plasticizer, exhibiting typical chemical reactions of alcohols and diols, and possesses a very low evaporation rate.
This makes it suitable for applications in adhesives, sealants, polyurethanes, and polyesters.
Cas Number
25322-68-3
Synonyms
Polyethylene glycol 9000,PEG 9000,Polyethylene oxide (PEO),Polyoxyethylene (POE),Macrogol,Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy- ,Polyethyleneglycol 9000
Introduction
Background of Polyethylene Glycols (PEGs): Introduction to the class of PEGs and their history in industrial and pharmaceutical applications.
Overview of PEG Types: Comparison between different molecular weights and their impact on properties.
Importance of Polyglycol 9000 S: A deeper dive into why this specific grade of PEG (with molecular weight around 9000) is chosen for certain applications.
Chemical Properties
Detailed Molecular Structure: Provide high-resolution depictions of molecular structures with a focus on the ethylene glycol backbone.
Polymerization Mechanism: A detailed explanation of the polymerization process, including the role of catalysts and reaction conditions.
Solubility Studies: Detailed analysis of solubility in various solvents (water, ethanol, acetone) and its impact on formulation design.
Viscosity and Molecular Weight Relationship: In-depth discussion on how viscosity changes with molecular weight, including experimental data.
Thermal Properties: Expand on the melting point, thermal stability, and degradation temperature range. Provide graphs or data where applicable.
Synthesis and Production Methods
Raw Materials and Precursor Chemicals: Discuss in detail the raw materials used, including ethylene oxide, ethylene glycol, and any solvents.
Polymerization Process: A deeper breakdown of the ethoxylation reaction and its parameters. Discuss batch vs. continuous polymerization methods.
Catalysis: Exploration of various catalyst options (alkali metals, Lewis acids) and their effect on the molecular weight distribution.
Control of Molecular Weight and Polydispersity: Detailed discussions on techniques for controlling the polymer's size and distribution.
Post-Polymerization Processing: Expanded discussion on post-synthesis purification, such as distillation, filtration, and drying techniques.
Industrial Applications
Pharmaceutical Applications: Expand on its specific uses in drug delivery systems (like controlled release formulations), excipient functions, and oral formulations.
Cosmetics and Personal Care: Dive into its role in skin care products, shampoos, hair conditioners, and its interaction with other cosmetic ingredients.
Lubricants and Industrial Fluids: Detailed explanation of its role in manufacturing lubricants, hydraulic fluids, and their specific applications in automotive, aviation, and machinery industries.
Adhesives, Paints, and Coatings: Elaborate on its properties in enhancing adhesion, film formation, and its role in water-based coatings.
Agriculture: Discuss emerging applications in pesticide formulations, soil conditioning, and controlled-release fertilizers.
Other Emerging Uses: Briefly touch upon less explored uses in biotechnology, food processing, or 3D printing.
Advantages and Limitations
Advantages:
Non-Toxicity and Safety Profile: Provide evidence from scientific studies showing its safety for human use and its non-toxic nature.
Versatility: Discuss how its wide range of molecular weights allows it to be used in diverse formulations.
Physical Properties: Analysis of its water retention capacity, thickening ability, and emulsifying power in various industrial contexts.
Limitations:
Biodegradability: Expand on concerns regarding PEG degradation in the environment and potential impacts on aquatic life.
Viscosity at High Molecular Weights: Discuss issues related to handling and formulation stability at high concentrations.
Compatibility with Other Ingredients: Explore potential incompatibilities with specific chemicals, particularly in cosmetic or pharmaceutical formulations.
Environmental Impact and Biodegradability
Environmental Persistence: Detailed research on how long Polyglycol 9000 S persists in different ecosystems, including aquatic and soil environments.
Studies on Biodegradation: Review experimental data on the biodegradation of PEGs in different environments, including freshwater, seawater, and landfills.
Impact on Microorganisms and Ecosystems: Analysis of how PEGs interact with aquatic life forms (e.g., fish, algae) and soil microorganisms.
Regulatory Concerns: Expand on environmental regulations related to PEG disposal in various countries or regions, such as the European Union's REACH legislation.
Sustainable Alternatives: Discuss ongoing research into biodegradable alternatives and greener manufacturing methods for PEGs.
Conclusion
Summary of Findings: Recap the key points discussed, emphasizing the versatility, safety, and industrial importance of Polyglycol 9000 S.
Future Outlook: Explore future research areas, including improvements in biodegradability, greener synthesis routes, and expansion into new markets.
Recommendations for Industry: Provide suggestions for industries looking to optimize the use of Polyglycol 9000 S, such as using lower molecular weight variants for faster biodegradation or integrating it into sustainable product lines.
SAFETY INFORMATION ABOUT POLYGLYKOL 9000 S
First aid measures:
Description of first aid measures:
General advice:
Consult a physician.
Show this safety data sheet to the doctor in attendance.
Move out of dangerous area:
If inhaled:
If breathed in, move person into fresh air.
If not breathing, give artificial respiration.
Consult a physician.
In case of skin contact:
Take off contaminated clothing and shoes immediately.
Wash off with soap and plenty of water.
Consult a physician.
In case of eye contact:
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Continue rinsing eyes during transport to hospital.
If swallowed:
Do NOT induce vomiting.
Never give anything by mouth to an unconscious person.
Rinse mouth with water.
Consult a physician.
Firefighting measures:
Extinguishing media:
Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
Advice for firefighters:
Wear self-contained breathing apparatus for firefighting if necessary.
Accidental release measures:
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment.
Avoid breathing vapours, mist or gas.
Evacuate personnel to safe areas.
Environmental precautions:
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Methods and materials for containment and cleaning up:
Soak up with inert absorbent material and dispose of as hazardous waste.
Keep in suitable, closed containers for disposal.
Handling and storage:
Precautions for safe handling:
Avoid inhalation of vapour or mist.
Conditions for safe storage, including any incompatibilities:
Keep container tightly closed in a dry and well-ventilated place.
Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Storage class (TRGS 510): 8A: Combustible, corrosive hazardous materials
Exposure controls/personal protection:
Control parameters:
Components with workplace control parameters
Contains no substances with occupational exposure limit values.
Exposure controls:
Appropriate engineering controls:
Handle in accordance with good industrial hygiene and safety practice.
Wash hands before breaks and at the end of workday.
Personal protective equipment:
Eye/face protection:
Tightly fitting safety goggles.
Faceshield (8-inch minimum).
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection:
Handle with gloves.
Gloves must be inspected prior to use.
Use proper glove
removal technique (without touching glove's outer surface) to avoid skin contact with this product.
Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
It should not be construed as offering an approval for any specific use scenario.
Body Protection:
Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection:
Where risk assessment shows air-purifying respirators are appropriate use a fullface respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls.
If the respirator is the sole means of protection, use a full-face supplied air respirator.
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
Stability and reactivity:
Chemical stability:
Stable under recommended storage conditions.
Incompatible materials:
Strong oxidizing agents:
Hazardous decomposition products:
Hazardous decomposition products formed under fire conditions.
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas.
Disposal considerations:
Waste treatment methods:
Product:
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging:
Dispose of as unused product
