Poly(iso-butyl methacrylate) fine powder, [η] = 0.60, is a hydrophobic methacrylate polymer used in coatings, inks, specialty plastics, optical materials research, and polymer formulation work. This amorphous acrylic polymer offers solvent compatibility and film-forming behavior useful in protective and decorative material systems.
Synonyms / related names: PiBMA; poly(isobutyl methacrylate); isobutyl methacrylate polymer; poly(iso-butyl methacrylate).
This product has a listed molecular weight of approximately 200,000 and is supplied as a fine powder. Its listed glass transition temperature of 53°C, refractive index of 1.477, and density of 1.045 make it useful in laboratory workflows involving acrylic polymer properties, solvent-cast films, coatings, and compatibility studies.
Researchers, formulators, and industrial users may use poly(iso-butyl methacrylate) in coating systems, inks, specialty plastics, optical materials research, and methacrylate polymer formulation development.
Key Properties
- Hydrophobic methacrylate polymer
- CAS Number: 9011-15-8
- Product Number: 02452
- Linear Formula: (-CH2C(CH3)[CO2CH2CH(CH3)2]-)n
- Molecular Weight: ~200,000
- Intrinsic viscosity designation: [η] = 0.60
- Glass Transition Temperature (Tg): 53°C
- Refractive Index: 1.477
- Density: 1.045
- Fine powder format
Applications
Coatings & Inks
Poly(iso-butyl methacrylate) may be used in protective and decorative coating or ink formulation work where hydrophobic acrylic polymer behavior, film formation, and solvent compatibility are important.
Optical Materials Research
This polymer may be evaluated in optical materials workflows where clarity, refractive properties, and methacrylate polymer compatibility are relevant to the formulation design.
Specialty Plastics
Poly(iso-butyl methacrylate) may be used in specialty plastic and polymer blend research where acrylic polymer compatibility, toughness, and processing behavior are evaluated.
Polymer Formulation Development
This fine powder is useful in laboratory studies involving methacrylate polymers, solvent-cast films, coating additives, and hydrophobic polymer systems.
Solubility & Compatibility Considerations
- Hydrophobic methacrylate polymer suitable for solvent-compatible formulation work
- Compatibility depends on solvent system, binder package, additives, pigments, fillers, and processing conditions
- Film properties depend on polymer concentration, solvent selection, drying conditions, and substrate compatibility
- Evaluate compatibility with other acrylics, resins, plasticizers, pigments, and fillers before scale-up
Final performance should be confirmed under the user’s specific formulation and processing conditions, including solvent system, concentration, coating method, drying profile, and end-use requirements.
Preparation Tips
- Add gradually to compatible solvent or formulation systems with adequate mixing
- Allow sufficient time for wetting, dispersion, or dissolution based on the selected solvent system
- Use clean equipment to reduce contamination during solution or coating preparation
- Run small-scale compatibility and film-forming trials before production or process transfer
Handling & Storage
- Store at room temperature
- Exercise normal care during handling
- Use good ventilation and standard laboratory or industrial safety practices
- Avoid unnecessary dust generation during powder transfer
- Wear protective gloves and safety glasses when appropriate
- Refer to the Safety Data Sheet before handling
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FAQ
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1. What is Poly(iso-butyl methacrylate) fine powder used for?
Poly(iso-butyl methacrylate) fine powder is used in coatings, inks, optical materials research, specialty plastics, solvent-cast films, and methacrylate polymer formulation development.
2. What is the molecular weight of this product?
The listed molecular weight is approximately 200,000.
3. What does [η] = 0.60 refer to?
The [η] = 0.60 designation refers to the product’s intrinsic viscosity designation, which is commonly used to describe polymer solution behavior.
4. What is the glass transition temperature of Poly(iso-butyl methacrylate)?
The product page lists the glass transition temperature (Tg) as 53°C.
5. How should Poly(iso-butyl methacrylate) fine powder be stored?
Store Poly(iso-butyl methacrylate) fine powder at room temperature. Review the Safety Data Sheet for complete storage, handling, and personal protective equipment guidance.
Safety & Documentation
Poly(iso-butyl methacrylate) fine powder should be handled using normal precautions and standard laboratory or industrial safety practices. The product page lists handling as “exercise normal care” and hazards as “harmless-use normal precautions.” Refer to the Safety Data Sheet (SDS) and product specification for complete handling, storage, hazard, and technical information.
