FIELD: chemistry.
SUBSTANCE: invention relates to a composition for tie layers and to fixing devices in which a tie layer is used. Binder composition has a density of from 0.850 g/cm3 to 0.925 g/cm3 and contains (a) a multi-block copolymer of ethylene and α-olefin, (b) a tackifier, (c) an ethylene homopolymer having a density of 0.90 g/cm3 up to 0.94 g/cm3, and (d) oil. Binder composition of the invention, when used as bonding layers in fixing devices, provides a low T-peeling force while maintaining a high shear bond strength (e.g., for more than one hour). In this case, both joined surfaces remain intact as a result of the separation.
EFFECT: binder compositions containing olefin block copolymers are provided for fixing devices.
13 cl, 2 dwg, 5 tbl, 9 ex
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