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Application of low molecular weight polyisobutylene

Time£º2018-12-20     

Electrical insulation oil capacitor (PB680, PB950, PB1300)

Various electrical products use polybutene with a molecular weight of 600-700 and excellent dielectric properties for impregnating capacitors and cables. Low molecular weight polybutene with a molecular weight of 300 to 550 is also an excellent electrical insulation oil when 0.3-0.5% phenolic antioxidant is added.

Electrical material

PB can be used for all kinds of cable insulation, insulation and prevent the deformation of insulation layer. For capacitors, the capacitors impregnated with PB are much more stable to temperature, oxidation resistance and moisture resistance than those impregnated with mineral oil

Plastic additives and modifiers (PB1300, PB2400)

Used for PE, PS, ABS, PP... And other plastics, improve the impact resistance of materials, improve the tensile properties of products, improve the uv stability of the film.

Polyolefin rubber processing oil, its low volatility, no migration is outstanding, such as EP, EPDM, butyl rubber, SBS, SEBS... And so on.

Wire and cable industry (PB450, PB680, PB950, PB1300)

Power cable: used as a impregnating agent in paper insulated cables to prevent moisture from entering. At the same time, the cable is endowed with good electrochemical characteristics.

Communication cable: a special polybutene - based compound used for longitudinal sealing of telephone lines.

These compounds provide excellent oxidation resistance, aging resistance and excellent performance across a range of temperatures. These additive components play an important role in preventing water infiltration and maintaining signals along the length of the wire.

Polybutene is used for polymer modification (PB950, PB1300, PB2400)

Polybutene can be mixed with a variety of high molecular weight substances, such as natural rubber; Synthetic rubber; Polybutene and natural rubber and synthetic rubber (butyl rubber; SBR) after mixing, it has good waterproof and high strength air permeability.

Polybutene can be used as an additive coating on the surface of natural and synthetic adhesives to protect them from ultraviolet rays and heat.

Polybutene can be added to EVA copolymer, PP, HDPE, LDPE and LLDPE to improve its physical strength.

Low density ultra-high pressure compressor oil (PB950, PB1300, PB2400)

Another important property of polybutene is that it does not contain sulfur or other impurities and does not poison the polymerization catalyst. Therefore, polybutene can be used as ultra-high pressure compressor oil in the production of low density polyethylene. Low density polyethylene products are widely used as food packaging materials, so the lubricating oil required in ethylene high pressure compressor must be non-toxic. No color, and excellent lubricity, polybutene is satisfied. Polybutene can operate continuously for more than 10000h under the pressure of 300Mpa


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