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Home » Applications » Adhesives

Pressure-sensitive adhesives (PSAs) and hot-melt adhesives (HMAs) of various types utilize KVIS polybutene as a key constituent.

Polybutene addition attributes to modification of properties like

» Tack
» Softness
» Bond strength
» Cohesive strength
» Water resistance of adhesives
Polybutene is superior to mineral oil in offering the advantages like
» Low colour
» Excellent colour stability
» Good resistance to oxidation
» Practically no toxicity
» A wide range of viscosities

Formulation cost can be reduced by using high molecular weight / viscous grades as a partial or total replacement for the expensive resins.

Pressure-sensitive adhesives which can be improved with polybutene include:

» Surgical tapes
» Industrial tapes
» Adhesives for paper laminates, labels and tapes
» Masking and friction tapes

The tackiness of the natural and synthetic rubbers can be improved by polybutene. It also helps in improving the quick stick and peel strength of elastomers.

Polybutenes attribute to various vital functions when incorporated into hot-melt adhesives,

Polybutene acts as a
» Polymer extender
» Plasticiser
» Tackifier and
» Wetting agent

Polybutene increases the cold temperature flexibility and decreases the melt index.

The major applications for these Heat Melt Adhesives include

» packaging
» disposable soft goods
» book binding
» carton sealing, carpet, shoes, and furniture
Polybutene aids in improving the tack and adhesion of the tie layer in multi-layer food packaging applications.
 

 

     
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