Modification of Hot-Melt Adhesives Based on Metallocene Poly(ethylene-propylene) Copolymer for High Adhesion to Polar Surfaces

A procedure is described of grafting the acrylic acid onto an oxygen/ozone-activated metallocene poly(ethylene-co-propylene). Consequently, the grafted copolymer is applied as a component in a metallocene polyolefin-based hot-melt adhesive composition with increased adhesion. The surface properties...

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Bibliographic Details
Published in:Polymers 2022-03, Vol.14 (6), p.1253
Main Authors: Novák, Igor, Preto, Jozef, Vanko, Vladimír, Rychlý, Jozef, Pavlinec, Juraj, Chodák, Ivan
Format: Article
Language:English
Subjects:
Acids
Acrylic acid
Adhesion
Adhesive strength
Adhesives
Bond strength
Composition
Copolymers
Ethylene
Free radicals
Graft copolymers
Hydrocarbons
Molecular weight
Polymer blends
Polymer melts
Polyolefins
Propylene
Rheology
Surface properties
Viscosity
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Summary:A procedure is described of grafting the acrylic acid onto an oxygen/ozone-activated metallocene poly(ethylene-co-propylene). Consequently, the grafted copolymer is applied as a component in a metallocene polyolefin-based hot-melt adhesive composition with increased adhesion. The surface properties and adhesion strength of the prepared hot-melt adhesive (HMA) were determined and used to account for the effect of grafting. The application of grafted polyolefin as one of the components of the HMA mixture provides significant increase in adhesive strength, and it also results in increased compatibility and negligible effects on the technological parameters of the final composition. The obtained results may have significant impact for the practical application of prepared HMA for book bonding.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym14061253