Thermally activatable latently reactive adhesive film
AssigneeLohmann GmbH & Co. KG
InventorsChristian Busch, Patrick Kopf, Daniela Segschneider
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Abstract
The invention relates to a thermally activatable reactive adhesive film comprising a carrier film made of thermoplastic polyurethane, which is coated on at least one side with a latently reactive, thermally activatable adhesive compound.
Claims15
A thermoactivatable reactive adhesive film, comprising a backing foil of thermoplastic polyurethane which is coated on at least one side with a latent-reactive, thermoactivatable adhesive compound, wherein the adhesive compound comprises a polyurethane and a reactive resin comprising a thermoactivatable isocyanate, and wherein a push-out force of the thermoactivatable reactive adhesive film is from 135 to 300 N/2.5 cm2 when an adhesive bonding operation happened at a pressing temperature of 120° C.
A thermoactivatable reactive adhesive film, comprising a backing foil of thermoplastic polyurethane which is coated on at least one side with a latent-reactive, thermoactivatable adhesive compound, wherein the adhesive compound comprises a polyurethane and a reactive resin comprising a thermoactivatable isocyanate, and wherein a push-out force of the thermoactivatable reactive adhesive film is from 500 to 620 N/2.5 cm2 when an adhesive bonding operation happened at a pressing temperature of 200° C.
A thermoactivatable reactive adhesive film, comprising a backing foil of thermoplastic polyurethane which is coated on at least one side with a latent-reactive, thermoactivatable adhesive compound, wherein the adhesive compound comprises a polyurethane and a reactive resin comprising a thermoactivatable isocyanate, wherein a shear adhesive failure temperature (SAFT) of the thermoactivatable reactive adhesive film is from 160° C. to 180° C.
Dependencies are inferred from the claim text.