KEMAT Polybutenes
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Applications

  • Polybutene is typically used with linear low-density polyethylene (LLDPE) resins for agricultural films. KEMAT polybutenes Polybut™ and Polybol™ are selected on their narrow molecular weight distribution to avoid non-controlled migration and to optimise the cling properties. LLDPE has the capacity of straining and having elastic recovery. Stretch film needs to have good tensile strength, strain, high retention forces, tack, adhesion, puncture or tear resistance and a high elongation at break.

    Agricultural Film
  • KEMAT polybutenes can be used as either a base polymer or as a modifier in automotive sealant formulations. They have similar properties to natural rubber except that their aging properties are far better. The polybutenes plasticize and add tack to elastomer-based sealants.

    Automotive Sealants
  • KEMAT polyisobutenes are typically used in the insulation, waterproofing and protection of electrical / fibre optic cables as they offer a very high level of oxidative stability as well as resistance to oxidation while under electrical stress.

    Cabling
  • KEMAT polybutenes are used as an ingredient in numerous coatings and paints. Their favourable properties include water resistance, low colour, excellent adhesion and plasticisation of the final film. They offer performance benefits to coatings for permeable substrates such as concrete, stucco and wood.

    Coatings
  • KEMAT Polybutenes are used in the manufacture of high-performance synthetic lubricants for compressor oils.

    Compressor Oils
  • KEMAT polybutene is used in several corrosion protection applications, mainly as a self-amalgamating, non-adhesive tape. Polybutene offers effective and essential weatherproof properties. It forms a skin but remains permanently plastic underneath. The sealant allows for joint movement, is overpaintable and exhibits good UV and chemical resistance.

    Corrosion Protection
  • KEMAT polybutene is used in the formulation of eye makeup, lipstick and skin care products because it is a pure and clear, non-drying, sticky liquid, light in colour. It is safe for use in skin applications, it is non-skin irritating, non-drying and hydrophobic. It is also non-comedogenic (prevents blocked pores) and non-toxic.

    Cosmetics
  • A special adhesive and high viscosity substance has been developed by blending KEMAT polybutenes and polyisobutylenes as raw materials. It can be used for crop protection: applied as an adhesive paint on the trunks of fruit bearing trees for capturing small crawling organisms as well as pest control: applied to pasteboards to capture flies and mosquitoes.

    Crop Protection Adhesives
  • KEMAT polybutenes are non-toxic and FDA approved, therefore ideal in food packaging adhesives. When blended into hot melts, polybutene operates as a tackifier, polymer extender, plasticizer and wetting agent. It also reduces the melt index and raises the cold temperature flexibility.

    Food Packaging
  • For hundreds of years, people globally have chewed on natural materials: waxes, latex and resin from certain trees. Synthetic gum is the material used today due to its reduced tackiness, improved texture and longer-lasting flavour. KEMAT Polybut™ with a MW of 50,000 to 85,000 g/mol can be used in gum formulations. It will not be harmed by any of the existing flavouring oils normally used in gum compositions.

    Gum Base
  • KEMAT Polybut™ (low molecular weight conventional polybutenes) and Polybol™ (medium and high molecular weight polyisobutenes) are ideal for hydraulic fluid applications. Hydraulic systems transfer and apply tremendous force over comparatively short distances, delivering a great amount of flexibility and control. They must provide rugged, continuous power in the severest environments with fluctuating temperatures and heavy loads. Hydraulic systems depend on the hydraulic fluid to preserve and protect key components from wear and tear.

    Hydraulic Fluids
  • KEMAT PIB is an ideal additive for industrial adhesives due to its tackiness and water resistance. Pressure Sensitive Adhesives (PSA). Tack and cohesive strength. Hot Melt Adhesives (HMA). Mainly 100% solids formulations based on thermoplastic polymers. Hot Melt Pressure Sensitive Adhesives (HMPSA). Solid at room temperature and melt easily to provide free-flowing liquids.

    Industrial Adhesives
  • KEMAT polybutenes are used in industrial sealants as a tackifier and plasticiser with excellent non-drying UV stability and tackiness. They are resistant to oxidation with no toxicity as well as offer cohesive strength and water resistance. The end products are softer and easier to extrude.

    Industrial Sealants
  • Polybutene is typically used in cable jelly compounds, cable insulation materials and cable oils. Butyl rubber plasticised with KEMAT Polybutenes can also be used as an electrical insulator combined with a flame retardant. KEMAT’s portfolio offers the widest range of molecular weights (MW) on the market to match any need in formulation in the field of electrical insulating oils.

    Insulating Oils
  • A grease is a stable mixture of a base oil and a thickening agent. KEMAT Polybutenes, Polybut™ and Polybol™ all have particular properties as base oils as well as modifiers to achieve the level of modern properties for Polybutene greases.

    Lubricating Greases
  • The performance of automotive and industrial gear oils is generally enhanced by adding polybutenes due to their exceptional thickening capability and shear stability. Health, safety and the environment are becoming key drivers to improve the workplace and reduce emissions in the manufacturing of lubricating oils and therefore KEMAT polybutenes are especially well selected due to their low toxicity and very low deposit formation.

    Lubricating Oils
  • KEMAT polybutenes have exceptional low temperature flexibility, non-toxicity and light colour, which makes them ideal for use in medical applications. Medical adhesives required for human contact, eg patches, surgical and medical tapes, wound care products and ostomy devices, are usually based on PIB. PIB-based PSAs (pressure sensitive adhesives) are frequently used in transdermal drug delivery (TDD) systems. TDD systems are drug-filled adhesive patches that, when applied to the skin, release the therapeutic agent at a controlled rate.

    Medical Adhesives
  • A metalworking fluid is used to maintain a protective film between the die or tool and the metal billet (a length of metal with a round or square cross section, created by continuous casting or extrusion). Such a film acts to reduce the frictional heat generated during the operation. The lubricant is expected to prolong the life of the die or tool, reduce energy requirements, and produce a smooth, stain-free surface of the metal article. In certain nonferrous metalworking applications, KEMAT polybutenes have several advantages over mineral oils when used as a lubricant.

    Metalworking Fluids
  • The addition of polybutene benefits thermoplastic road marking paints by making the hot melt coatings dry fast with a strong adhesion to the road surface. Polybutene also offers good UV and thermal resistance which will help to reduce the brittle point and modify the softening point as well as increase the ultimate hardness of the final road mark. KEMAT polybutenes give an excellent pour-point which improve the road marking paint flow in winter.

    Road Marking
  • KEMAT Polybol™ (medium and high molecular weight polyisobutene) is used in roofing membranes. The advantage of polybutene in roofing applications is that it can be applied cold, therefore eliminating the need for naked flames and heating equipment.

    Roofing
  • KEMAT polybutene can be used as an adhesive (plasticiser) for vulcanised elastomers containing both natural and synthetic rubbers. PIB enhances performance when compared to mineral and process oils. It offers good plasticity and adhesion even when small amounts of polybutene are used. When used in rubber compound, polybutene will improve tensile strength, elongation and low temperature flexural properties.

    Rubber Parts
  • KEMAT has a wide range of molecular weight (MW) polybutenes ranging from Polybut™ (lower MW) to Polybol™ (medium and higher MW). All are used in transmission oils.

    Transmission Oils
  • The OEM market is pushing and promoting the use of improved quality oil. In recent years growing concern for the environment has led to significant advancement in the design of the two stroke engine as well as two stroke engine oils. To meet these environmental demands and to keep high performance, between 30% to 55% of low molecular weight polybutene is used in two-stroke oil formulation. KEMAT’s low molecular weight conventional polybutene Polybut™ is used in two-stroke oil to cleanse exhaust gases. The PIB acts as an attractant of dirt which materialises during the process of burning petrol and oil in an engine. When PIB is added to the two-stroke oil the emergence of smoke will reduce.

    Two Stroke Engine Oils
  • KEMAT polybutenes act as extenders and plasticizers for a range of vulcanized elastomers including, for example, natural rubber (NR), butyl rubber (IIR) and styrenebutadiene rubber (SBR). NR, IIR and SBR are often used to make automotive tyres as they are extremely flexible and durable. They have strong abrasion resistance (good tread wear) and low rolling resistance (good fuel economy).

    Tyres
  • Viscosity modifiers are additives in a lubricant used to minimise the variations in viscosity of the lubricant as a function of temperature. Automotive and industrial oils often need thickening agents to achieve the correct viscosity. Viscosity modifiers are a component of numerous oils. At low temperatures the viscosity increases at a lower rate than most oils. At high temperatures the viscosity decreases at a lower rate than most oils. PIB is often used to replace bright stocks and high viscosity base oils as a viscosity modifier. PIB also lowers the pour point. If combined, with high-viscosity poly alpha olefins (PAO) or synthetic esters, KEMAT Polybutenes lower deposit formation, give cleaner burning and also tackiness will improve while the cost can be decreased.

    Viscosity Modifiers

KEMAT is the leading European supplier of polybutenes and related products in the EMEA region.

We welcome your enquiries, which will be dealt with promptly.

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