Polyisobutylene CAS：9003-27-4 CAS NO.9003-27-4

1. Unmatched Product Quality?

Purity & Structural Consistency?

• Manufactured from high-purity isobutylene (≥99%) via cationic polymerization, ensuring minimal impurities and a linear, saturated molecular structure with uniform head-to-tail linkage .?

• Strict control over molecular weight distribution (ranging from 200 to 6,000,000 Da) enables precise customization for diverse applications, from low-viscosity lubricant additives to high-strength elastomers .?

Superior Physical Properties?

• Exceptional airtightness due to compact methyl side-chain arrangement, exhibiting gas permeability 30% lower than natural rubber .?

• Outstanding chemical resistance to acids, alkalis, and polar solvents, while maintaining stability across -50°C to 140°C operational temperatures .?

• High-purity grades (residual monomers ≤ 0.01%) comply with USP, EP, and food-grade standards, suitable for medical and food-contact applications .?

2. Advanced Manufacturing Processes?

Innovative Polymerization Technology?

• Adopts continuous cationic polymerization with BF? or AlCl? catalysts at -10°C to -20°C, ensuring narrow molecular weight distribution (PDI < 2.0) and controlled vinylidene end-group content (up to 85% for reactive PIB) .?

• Proprietary slurry polymerization for high-molecular-weight PIB, incorporating styrene-grafted copolymers to eliminate slurry stickiness and enable 99.5% conversion rates .?

Green Production Practices?

• Utilizes mixed C4 fractions from refineries as raw materials, reducing production costs by 20% while minimizing waste .?

• Automated production lines with real-time HPLC and FTIR monitoring ensure batch-to-batch consistency, supported by ISO 9001-certified quality control systems .?

3. Competitive Pricing Strategy?

Economies of Scale?

• Annual production capacity of 1.4 million tons globally, with major manufacturers achieving 70% capacity utilization to optimize cost efficiency .?

• Volume-based pricing models: bulk orders (≥100 tons) enjoy 15–25% discounts, while customized grades for R&D start at $2.5/kg (FOB) .?

Cost-Effective Solutions?

• High reactivity of PIB (α-olefin content ≥70%) reduces additive usage in lubricants by 30%, lowering formulation costs for clients .?

• Recyclable nature and long service life contribute to total cost of ownership 20–30% lower than alternative polymers like PVC .?

4. Comprehensive Service Ecosystem?

Technical Expertise?

• Dedicated R&D teams provide formulation support for rubber blending (e.g., natural rubber/PIB composites with 40% improved low-temperature flexibility) .?

• 24/7 technical hotline for troubleshooting, including on-site assistance for process optimization in adhesive and sealant applications .?

Global Supply Chain?

• JIT delivery programs with warehousing in North America, Europe, and APAC, ensuring ≤7-day lead times for standard grades .?

• Customized packaging options (25 kg drums to 1,000 kg IBCs) and regulatory support for DMF, REACH, and FDA filings .?

After-Sales Support?

• Post-installation training on PIB processing (e.g., heat stabilization with 0.01% Irganox 1010) and performance tracking via annual quality reviews .?

• Collaborative R&D for new applications, such as medical-grade PIB for drug delivery systems .

Polyisobutylene (PIB) Product Information?

1. Certificate of Analysis (COA)?

Chemical Specifications?

• Chemical Name: Polyisobutylene?

• Molecular Formula: (C?H?)??

• CAS Number: 9003-27-4?

• Appearance: Colorless to pale yellow viscous liquid/solid (depending on molecular weight)?

• Odor: Odorless?

Regulatory Compliance?

• Food-grade compliance: FDA 21 CFR 175.105 (food-contact adhesives)?

• Medical-grade certification: USP <87> (biocompatibility testing)?

2. Product Applications?

Industrial & Manufacturing?

• Lubricant Additives: Viscosity index improvers in 2-stroke engine oils, gear oils, and metalworking fluids, reducing friction by 25% compared to conventional additives?

• Adhesives & Sealants: Hot-melt adhesives for packaging (bond strength ≥500 psi) and automotive sealants with 98% water resistance?

• Tire & Rubber Components: Inner liners for tires, achieving air permeability 30% lower than natural rubber?

Energy & Electronics?

• Battery Binders: High-conductivity PIB used in lithium-ion battery separators, enhancing cycle life by 40%?

• Electrical Insulation: Hydrophobic coatings for cables, with volume resistivity >10¹? Ω·cm?

Consumer & Medical?

• Cosmetics: Thickening agent in lip balms and sunscreens, with skin irritation index <0.5?

• Medical Devices: Pressure-sensitive adhesives for transdermal patches, compliant with ISO 10993 biocompatibility standards?

3. Supply Capacity & Process Advantages?

Manufacturing Scale?

• Annual Production: 1.4 million metric tons globally, with major plants in Ludwigshafen (Germany) and Kuala Lumpur (Malaysia)?

• Lead Time: 5 - 7 days for standard grades (200 - 5,000 Da), 14 days for custom high-molecular-weight PIB (≥1,000,000 Da)?

• Packaging Options:?

• 180 kg steel drums (heated for high-viscosity grades)?

• 20 MT ISO tanks with temperature control (40 - 60°C)?

• 25 kg moisture-proof bags for R&D samples?

Technological Innovations?

• Cationic Polymerization:?

• -10°C to -20°C reaction control using BF? catalysts, achieving PDI < 2.0 and vinylidene end-group content up to 85%?

• Styrene-grafted copolymerization reduces slurry viscosity by 60%, enabling 99.5% monomer conversion?

• Green Processes:?

• 95% recycling of C4 refinery by-products, lowering carbon footprint by 30 kg CO?/ton compared to traditional routes?

• Automated HPLC-FTIR monitoring systems ensure batch consistency within ±1.5% viscosity tolerance?

4. Visual Assets for Corporate Presentation?

• Sample & Packaging Photography:?

• 180 kg heated drums with temperature gauges (for 1,000,000 Da PIB)?

25 kg aluminum foil bags with moisture indicators for medical-grade PIB