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Common Names
  • Polymer
  • Polyolefins
Sub Category
  • Others

Polybutylene (PB) also known as Polybutene-1 (PB-1) and it is a member of the polyolefin family of thermoplastics. Polybutylene is produced by polymerizing butene-1 using Zeigler-Natta catalysts which produce a unique isotactic, semi-crystalline polymer that is ideally suited for applications requiring high strength, flexibility, and heat resistance. This material also provides a higher level of creep resistance compared with other polyolefins and it displays an elevated level of chemical and flammability resistance.

Manufacturing process

Manufacturing Polybutene-1 is a derivative of the refining of crude oil. The monomer butene-1 is obtained from the olefins fraction of the cracking process, together with ethylene and propylene. Polybutene-1 is produced by the polymerisation of butene-1 using a very high yield, low temperature catalyst system.

This, together with the fact that polymerisation takes place in solution in the monomer, means there is no requirement to purify the resulting polymer. The unpolymerised monomer is simply recovered and recycled within the process.

Piping systems:

Pressurised hot and cold water supply systems

District Energy lines (heating and cooling)

Radiator connections

Underfloor heating

Chilled ceilings and surfaces

Shipbuilding piping installations

Adhesives: Polybutylene offers high cohesive and adhesive strength and helps tailoring the "open time" of the adhesive (up to 30 minutes) because of its slow crystallisation kinetics. It improves the thermal stability and the viscosity of the adhesive

Plastic packaging: Peelable easy-to-open packaging where Polybutylene is used as blend component predominantly in polyethyelene to tailor peel strength and peel quality, mainly in alimentary consumer packaging and medical packaging.