Abstract: Process for producing partially-self-adhesively treated backing materials comprising partially deformed domes or polygeometric forms of adhesive.

Abstract: Use of jagged cutters for the longitudinal cutting of double-face self-adhesive tapes with PP backing provides easy hand tearability.

Abstract: Active substance plasters consisting of a backing material and an at least partially applied adhesive composition, characterized in that a component comprising one or more active substances is additionally applied in the form of spun fibres or filaments to the backing material, this component having an at least partly thermoplastic basis.

Abstract: Backing materials which have been given a self-adhesive treatment on at least one side, characterized in that the self-adhesive composition is a pressure-sensitive hotmelt adhesive composition which at a frequency of 0.1 rad/s has a dynamic-complex glass transition temperature of less than −3° C., preferably from −6° C. to −30° C. and, with particular preference, from −9° C. to −25° C., and their use, in particular, for producing medical products such as plasters, bandages or dressings.

Abstract: At least one-sidedly self-adhesively treated backing material which is coated partially with a self-adhesive composition and which under a tensile load of 10 N/cm has an extension of greater than 10% so that the backing material following application can be detached from the substrate by pulling in the direction of the bond plane.

Abstract: A double-sided adhesive tape having a continuous series of toothed notches of about 0.3 mm to 6 mm jag height which easily transversely tearable by hand.

Abstract: Method of applying liquid or pastelike substances, especially thermoplastics, to a backing material, the substance being applied by means of a die at least partly to the backing material traveling along on the die, wherein

Abstract: Carrier material having a self-adhesive finish and a hotmelt self-adhesive composition applied not to the entire area of at least one side, characterized in that the adhesive composition is foamed.

Abstract: Backing materials which have been given a self-adhesive treatment on at least one side, characterized in that the self-adhesive composition is a pressure-sensitive hotmelt adhesive composition which at a frequency of 0.1 rad/s has a dynamic-complex glass transition temperature of less than −3° C., preferably from −6° C. to −30 ° C. and, with particular preference, from −9° C. to −25 ° C., and their use, in particular, for producing medical products such as plasters, bandages or dressings.

Abstract: Process for the at least partial direct coating of an extensible backing material with a pressure-sensitive adhesive composition, the backing material being guided by a transporting apparatus against a coating apparatus in such a way that the coating apparatus applies the pressure-sensitive adhesive composition to the backing material, characterized in that the coating apparatus is abhesively treated.

Abstract: Process for the at least partial, direct coating of an extensible backing material with a pressure-sensitive adhesive composition, the backing material being guided by a transporting apparatus against a coating apparatus in such a way that the latter applies the pressure-sensitive adhesive composition to the backing material, characterized in that there are adhesion devices or holding devices present on the transporting apparatus so that the properties of the backing are not altered in the course of coating.

Abstract: Carrier material having a self-adhesive finish and a hotmelt self-adhesive composition applied to the entire area of at least one side, characterized in that the thermoplastic adhesive composition is foamed and the product has an air permeability of at least 3 cm3/cm2/s for an amount applied of at least 20 g/m2.

Abstract: Backing material with a partial self-adhesive coating on at least one side, the application of the self-adhesive composition taking place in the form of geometric structures, wherein for at least some of the geometric structures the base area by means of which the geometric structures adhere to the backing material lies within the area of projection of the geometric structures which is formed as a consequence of the fact that the geometric structures are projected perpendicularly onto the backing material.

Abstract: Active substance plasters comprising a backing material and, applied at least partially thereon, an adhesive composition, whereina) the adhesive composition comprises at least on active substance,b) the adhesive composition is a hotmelt adhesive composition, andc) the adhesive composition is foamed.

Abstract: Pressure-sensitive self-adhesive tape comprising a backing which is coated on both sides with pressure-sensitive adhesive compositions and is composeda) in a proportion by weight of up to 50% by weight, in particular from 10% by weight to 40% by weight, of a crosslinked, non-foamed polyurethane,b) in a proportion by weight of from 40% by weight to 70% by weight of fillers,c) in a proportion by weight of from 5% by weight to 30% by weight, in particular from 10% by weight to 25% by weight, of plasticizers and resins, andd) if desired, of further auxiliaries.

Abstract: Residuelessly redetachable contact-adhesive sheet-like structures wherein are provided approximately calotte-shaped bonding sites which are up to about 600 .mu.m in diameter at the base where the calottes stick to the sheet-like structure and which are produced by screen or gravure printing using high-solids dispersion of adhesive substance.

Abstract: In an adhesive bandage comprising a support and an adhesive layer on the front thereof, the improvement which comprises a thermosetting, water-impermeable lacquer layer on the back of the support, the lacquer layer being less elastic in at least one direction than the support, whereby movement of the body, once the strip has been applied to the skin, will cause cracking of the lacquer layer.

Abstract: A self-adhesive composition comprising a crosslinked copolymer of 0.01 to 5% by weight based on said composition of a compound taken from the class consisting of acrylic and methacrylic-[(2-alkoxy-2-phenyl-2-benzoyl) ethyl] esters and at least one monomer capable of producing a self-adhesive polymer. A method of preparation of the composition is also disclosed.

Abstract: A web of polymeric foam which is sealed on one or both sides by a thin, hard plastic layer is disclosed. The sealed web is prepared by coating an auxiliary substrate with a film of hard plastic-forming resin, laminating this film to a polymeric foam web by means of a curable adhesive applied to the hard plastic, and removing the auxiliary substrate.

Abstract: Residuelessly redetachable contact-adhesive sheet-like structures wherein are provided approximately calotte-shaped bonding sites which are up to about 600 &mgr;m in diameter at the base where the calottes stick to the sheet-like structure and which are produced by screen or gravure printing using high-solids dispersion of adhesive substance.