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    Why Polybutene

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Home » Products » Why Polybutene
Polybutene from Kothari is better for your business, and better for the environment:
Better for Lubricants
Better for Oil and Fuel Additives
Better for Stretch/Cling Wrap Films
Better for Adhesives & Sealants
Better for Paints & Coatings
Environmentally Friendly Pest Control
Better for Electrical Insulation Applications
Better for Lubricants
Kothari polybutenes demonstrate very low deposit formation. Unlike typical lubricants, our polybutenes depolymerize cleanly when heated above 250 degrees celsius
» Low toxicity
» Good thickening properties
» High shear stability
Applications include: non-staining metal lubricants, specialist compressor lubricants, low toxicity/energy efficient gear oils and greases
Better for Two Stroke Engine Oils
Kothari polybutenes are a proven cost effective alternative for lowering emissions in two-stroke engines — a chief concern among many countries with increasingly strict environmental standards
» Cleaner burning
» Reduced corrosion and scoring
» Elimination of engine deposits
Kothari polybutenes offer enhanced performance compared to most other polybutenes
Better for Oil and Fuel additives
In engine oils, derivatives of Kothari polybutenes are used as ashless dispersants (such as PIBSA) to minimize deposits and prevent oil thickening and formation of sludge. These polybutene-based additives
» Improve fuel economy
» Provide environmental benefits due to lengthening the life of oil in the engine, and providing cleaner-burning engines
» For gasoline engines: reduce deposit formation and removes deposits already present in carburetors, fuel injectors and intake systems, valves and pistons
» For diesel fuel: used to clean fuel injectors
Better for Stretch/Cling Wrap Films
Higher grade Kothari polybutenes, such as KVIS 30 and KVIS 200 are often used in cling wrap, due to their tackiness, good clarity, clinging properties and durability .
» Examples include film, stretch wrap, bale silage wrap
We are fully capable of customizing our polybutene viscosities and grades to suit your unique needs.
Better for Adhesives & Sealants Top
Pressure Sensitive Adhesives
» Kothari polybutenes are vital ingredients in many pressure-sensitive adhesives (PSAs) and hot-melt adhesives (HMAs)
» Modify softness, tackiness, cohesive strength, and water resistance
» Polybutenes are better than mineral oils due to low color, resistance to oxidation, no toxicity
» Examples of adhesives that can be improved with polybutene in-clude: adhesives for surgical tapes; cements for leather; paper; paper laminates, labels and tapes; masking and friction tapes; colourless adhesives; foil and fiber lamination; and industrial tapes
Water Based Pressure Sensitive Adhesives
» Polybutene emulsions minimize organic vapor emissions in water-based pressure sensitive adhesives
» Less expensive: These emulsions also offer enhanced adhesion and temperature stability while lowering adhesive costs for packaging, labels, and product assembly
Hot Melt Adhesives
» Kothari polybutenes perform as a polymer extender, plasticizer, tackifier and wetting agent
» Polybutenes decrease the melt index and increases the cold temperature flexibility
» Examples include: packaging, disposable soft goods, carpet, shoes, and furniture, book binding, carton sealing
» Kothari polybutenes plasticize and add tack to elastomer based sealants.
» They are softer and more easy to use as sealants
» Less utilization of solvents, which is environmentally beneficial
Kothari polybutenes are often used as a replacement for drying oils in sealant and putty formulations
» Improved stickiness, or adhesion
» Longer life
» Less shrinkage
» Lower oil to filler ratios
Better for Paints & Coatings Top
Our polybutenes are a viable alternative to acrylic bases, since they improve water repellency and result in lower manufacturing costs
» Water resistance
» Low color
» Plasticization
» Better adhesion
» Replaces volatile solvents
Examples include: waterproofing for porous substances, such as wood or concrete, hot-applied thermoplastic road marking paints, masonry paints
Environmentally Friendly Pest Control
Kothari polybutene is rapidly becoming the number one choice for environmentally friendly pest control in agriculture, such as vineyards and other delicate crops.
» Tackiness of polybutene can increase the effectiveness of pesticides and insecticides
» KVIS 200 can be used to physically trap insects, and are often used in vineyards and other delicate crops as a non toxic method of pest control
» Mixed with low molecular weight polyethylene, the resultant tacky gel can be used for tree banding to trap tree climbing pests
Better for Electrical Insulation Applications Top
Kothari polybutenes are hydrophobic and non-conductive, and are thus used as electrical insulation across a wide range of applications. Its low chloride content and high level of purity result in resistance to oxidation and gas evolution under electrical stress.


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