FIELD: chemistry.
SUBSTANCE: invention relates to a non-adhesive film-forming polymer composition (coating material), as well as self-adhesive hot-melt adhesives in the form of granules coated with a polymer composition, which can be obtained by co-extrusion of a hot-melt adhesive and a coating material. Film-forming composition contains 5–40 wt. % of at least one Fischer-Tropsch wax with melting point > 95 °C and 30–70 wt. % of at least one polyolefin obtained by metallocene catalysis and having a softening point of > 95 °C and melt flow index (MFI) (230 °C, 2.16 kg) in the range from ≤ 1000 to ≥ 300 g/10 min. Invention also relates to the use of such hot-melt adhesives, methods for use thereof and products containing said adhesives.
EFFECT: invention reduces temperature of application of hot-melt adhesive coated with non-adhesive coating material, and its homogeneous mixing with core.
12 cl, 1 dwg, 1 tbl, 2 ex
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