Abstract
Polymer hot-melt adhesives are obtained on the basis of poly(ethylene-vinyl acetate), polyethylene wax, and aromatic (C9) hydrocarbon resins differing in the degree of hydrogenation of aromatic groups (from 0 to 37%). The content of poly(ethylene-vinyl acetate) is varied from 30 to 80%, and the concentration of other components of the adhesive is within 10–35%. The rheology of adhesive components and blend compositions is studied in detail, and the adhesion characteristics of the adhesives are determined. It is found that the use of a nonhydrogenated resin leads to high adhesion properties of the adhesive but imparts viscoplasticity to it. The use of a hydrogenated resin provides better rheological properties of the adhesive, but a higher content of poly(ethylene-vinyl acetate) is required to achieve good adhesion characteristics.
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