A partially hydrogenated block copolymer of the present invention includes: a polymer block (A) containing a vinyl aromatic monomer unit as a main component: and a polymer block (B) containing a conjugated diene monomer unit, wherein in a differential molecular weight distribution (B) of a degradation product of the partially hydrogenated block copolymer obtained by an ozone degradation method, a distribution of degree of hydrogenation H, which is given by a maximum peak height in a region of a molecular weight of 800 or more and 3,000 or less, is 0.01 to 0.5.

Partially hydrogenated block copolymer, viscous adhesive composition, viscous adhesive tape, label, modified asphalt composition, modified asphalt mixture, and paving binder composition

Ein haftklebriger Klebstreifen, enthaltend mindestens eine Haftklebemasseschicht, der einen Anfasserbereich aufweist, an dem sich der Klebstreifen durch dehnendes, verstreckendes Ziehen wiederablosen lasst, und der im Anfasserbereich auf mindestens einer Seite mit einer Anfasserschicht versehen ist, wobei die Anfasserschicht eine Schichtdicke von hochstens 50 µm und auf mindestens einer Seite eine Rauheit von Sa 0,10 bis 2,00 µm aufweist und wobei die Trennkraft der Anfasserschicht von der Haftklebemasseschicht mindestens 1 N/cm betragt und bei dem mindestens eine der mindestens einen Haftklebemasseschichten zumindest eine Elastomerkomponente vom Typ eines Butadien-Vinylaromaten-Blockcopolymers aufweist, wobei die mindestens eine Elastomerkomponente zu mindestens 90 Gew.-%, bezogen auf den Gesamtblockcopolymergehalt, aus mindestens einem Polybutadien-Vinylaromaten-Blockcopolymer besteht, wobei das mindestens eine Polybutadien-Vinylaromaten-Blockcopolymer Polymerblocke, uberwiegend gebildet durch Polymerisation von Vinylaromaten (A-Blocke), vorzugsweise Styrol, und solche, uberwiegend gebildet durch Polymerisation von 1,3-Butadien (B-Blocke), enthalt, ist ein relaxierendes, dehnungsfahiges Haftklebeprodukt, das sich mit Hilfe des Anfassers ruckstandsfrei auch von sensiblen und spaltbaren Oberflachen entfernen lasst.

Selbstklebeartikel mit rauer Anfasserfolie

Eine Klebemasse, bestehend aus (a) zumindest einer Elastomerkomponente vom Typ eines Polybutadien- Polyvinylaromaten-Blockcopolymers mit einem Anteil in Bezug auf die Gesamtklebemasse von 42 Gew.-% bis 55 Gew.-% und einem Diblockanteil in Bezug auf den Gesamtblockcopolymergehalt von 32 Gew.-% bis 55 Gew.-%, vorzugsweise bis 50 Gew.-%, (b) zumindest einem Klebharz, das ein Kohlenwasserstoffharz mit einem DACP- Wert von mindestens +5°C und hochstens +50°C und einem MMAP-Wert von mindestens +50°C und hochstens +85°C ist, (c) optional zumindest einem Weichharz mit einem Anteil von 0 Gew.-% bis 15 Gew.-%, bezogen auf die Gesamtklebemasse, (d) optional weiteren Additiven, ist zur Verklebung auf rauen Untergrunden wie Putz oder Raufasertapete besonders geeignet.

Klebemasse, insbesondere für stripbare klebestreifen und verwendung zur verklebung auf gestrichener raufasertapete

The invention relates to an adhesive mass, consisting of (a) at least one elastomer component, of a polybutadiene- polyvinyl aromatic block copolymer type, having a proportion with respect to the total adhesive mass of 42 to 55 wt.% and having a diblock proportion with respect to the total block copolymer content of 32 to 55 wt.%, preferably up to 50 wt.%, (b) at least one adhesive resin, which is a hydrocarbon resin having a DACP value of at least +5 °C and at most +50 °C and a MMAP value of at least +50 °C and at most +85 °C, (c) optionally at least one soft resin having a proportion of 0 to 15 wt.% with respect to the total adhesive mass, and (d) optionally further additives, which adhesive mass is particularly suitable for adhering on rough substrates such as plaster or woodchip wallpaper.

Adhesive mass, in particular for strippable adhesive strips and use for adhering on coated woodchip wallpaper

The invention relates to a block copolymer-containing pressure-sensitive adhesive comprising e) 52% by weight to 65% by weight, preferably 55% by weight to 62% by weight, of an elastomer component, f) 30% by weight to 45% by weight, preferably 35% by weight to 42% by weight, of at least one bonding resin, g) 0% by weight to 15% by weight, preferably to 10% by weight, of at least one softening resin and h) 0% by weight to 18% by weight, preferably to 10% by weight, of further additives, where the elastomer component (a) consists to an extent of at least 90% by weight of polyvinylaromatic-polybutadiene block copolymers, where the polyvinylaromatic-polybutadiene block copolymers include at least one type of diblock copolymer (a1) and at least one type of tri- or multiblock copolymer (a2), the at least one diblock copolymer (a1) has a vinylaromatic content of 15% by weight to 45% by weight, within the elastomer component (a) the proportion of tri- or multiblock copolymer (a2) is between 25% by weight and 50% by weight, preferably between 30% by weight and 45% by weight, the tri- or multiblock copolymer (a2) has a molar mass of at least 125 000 g/mol and a vinylaromatic content of 15% to 45% by weight, and one kind of the tri- or multiblock copolymer is preferably a multi-arm (radial) block copolymer.

Pressure-sensitive adhesive, and self-adhesive products and composites comprising the latter

Die Erfindung betrifft eine Haftklebemasse zumindest enthaltend a) zumindest ein Elastomer, wobei das Elastomer einen Anteil von mindestens 40 Gew.-% bezogen auf die Klebemassenzusammensetzung aufweist und wobei als Elastomer zumindest eine Sorte eines Polybutadien-Blockcopolymers eingesetzt ist, b) zumindest ein teilhydriertes Kohlenwasserstoffharz (Harzsorte 1) mit einer Erweichungstemperatur von mindestens 90 °C, c) gegebenenfalls zumindest ein weiteres Kohlenwasserstoffharz, ein Terpenphenolharz und/oder ein Kolophoniumharzmit einer Erweichungstemperatur von mindestens 90 °C (Harzsorte 2), d) gegebenenfalls ein Weichharz, e) gegebenenfalls weitere Additive.

Haftklebemasse und Verwendung derselben in einem Haftklebstreifen

The invention relates to a self-adhesive compound, at least comprising a) at least one elastomer, wherein the elastomer has a ratio of at least 40 wt.-% relative to the adhesive compound composition and wherein at least one type of polybutadiene block copolymer is used as an elastomer, b) at least one partially hydrogenated hydrocarbon resin (resin type 1) having a softening temperature of at least 90 °C c) at least one additional hydrocarbon resin, a terpene phenol resin and/or a colophonium resin having a softening temperature of at least 90 °C (resin type 2) as applicable, d) a soft resin as applicable, and e) additional additives as applicable.

Self-adhesive compound and use thereof in an adhesive tape

The invention relates to a PSA comprising at least (a) at least one elastomer, the elastomer having a proportion of at least 40% by weight, based on the composition of the adhesive, and wherein at least one type of a polybutadiene block copolymer is used as the elastomer, (b) at least one partially hydrogenated hydrocarbon resin (resin type 1) with a softening temperature of at least 90 ° C, (c) optionally at least one further hydrocarbon resin, a terpene-phenolic resin and / or a rosin resin with a softening temperature of at least 90 ° C (resin type 2), (d) optionally a soft resin , (e) optionally further additives.

Pressure-sensitive adhesive and use of the same in a pressure-sensitive adhesive strip

Use of a self-adhesive compound in an adhesive tape

Die Erfindung betrifft eine Haftklebemasse zumindest enthaltend The invention relates to a pressure-sensitive adhesive containing at least (a) zumindest ein Elastomer, wobei das Elastomer einen Anteil von mindestens 40 Gew.-% bezogen auf die Klebemassenzusammensetzung aufweist und wobei als Elastomer zumindest eine Sorte eines Polybutadien-Blockcopolymers eingesetzt ist, (A) at least one elastomer, wherein the elastomer has a proportion of at least 40 wt .-% based on the adhesive composition and being used as the elastomer at least one kind of a polybutadiene block copolymer, (b) zumindest ein teilhydriertes Kohlenwasserstoffharz (Harzsorte 1) mit einer Erweichungstemperatur von mindestens 90°C, (B) at least one partially hydrogenated hydrocarbon resin (resin places 1) having a softening temperature of at least 90 ° C, (c) gegebenenfalls zumindest ein weiteres Kohlenwasserstoffharz, ein Terpenphenolharz und/oder ein Kolophoniumharz mit einer Erweichungstemperatur von mindestens 90°C (Harzsorte 2), (C) optionally at least one further hydrocarbon resin, a terpene phenol resin and / or a rosin resin with a softening temperature of at least 90 ° C (Resin Type 2), (d) gegebenenfalls ein Weichharz, (D) optionally, a soft resin, (e) gegebenenfalls weitere Additive. (E) optionally further additives.

Haftklebemasse und Verwendung derselben in einem Haftklebstreifen PSA and use them in an adhesive strips

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