Polyisobutylene

Product Details

CasNo： 9003-27-4

MF： (C4H8)n

Appearance： liquid

Packing： 180kg/drum

Purity： 99%

Polyisobutylene (PIB) Product Information​

1. Certificate of Analysis (COA)​

Chemical Specifications​

• Chemical Name: Polyisobutylene​

• Molecular Formula: (C₄H₈)ₙ​

• 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 >10¹⁴ 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 BF₃ 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 CO₂/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