MODIFICATION OF POLYMERS AND THE PROPERTIES AND APPLICATIONS OF ADHESIVE POLYMERS: A REVIEW
DOI:
https://doi.org/10.37547/Keywords:
polypropylene, polyethylene, polyolefins, polymer modification, graft polymerisation, surface energy, adhesive polymers, epoxy, polyurethane, acrylic, adhesive strength, ecological safety.Abstract
This article reviews, in an integrated manner, the principal methods of polymer modification and the nature, properties, and fields of application of adhesive polymers. Polyolefins such as polypropylene and polyethylene, which are among the most widely demanded products of the petrochemical industry, possess low surface energy and poor adhesion to many surfaces, which substantially limits their practical use; modification is therefore the key route to imparting qualitatively new surface properties to industrial grades of polymer. The work distinguishes structural and chemical modification, examines grafting (graft) polymerisation as a means of altering surface properties, and analyses its advantages and limitations. The essence of adhesive polymers is then considered—their dependence on molecular structure, wetting ability, degree of polarity, elastic modulus, and curing mechanism—together with their main types and their fields of application in construction, the automotive industry, electronics, medicine, packaging, and textiles. The ecological and economic advantages of adhesive joining, along with current problems and prospects for development, are also discussed. The results may serve as a scientific and methodological basis for developing modified polymer materials and new, environmentally safe adhesive formulations.
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