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2. 发明申请

US20150337177A1 DETACHABLE ADHESIVE STRIP 审中-公开
标题翻译：可剥离粘合条
公开(公告)号：US20150337177A1
公开(公告)日：2015-11-26
申请号：US14653498
申请日：2013-12-05
申请人： TESA SE
发明人： Thorsten KRAWINKEL , Lesmona SCHERF , Anika PETERSEN , Thilo DOLLASE
IPC分类号： C09J7/02 , C09J153/02
CPC分类号： C09J153/02 , C08K5/01 , C09J7/22 , C09J7/25 , C09J7/38 , C09J2201/128 , C09J2201/618 , C09J2205/102 , C09J2453/00 , C09J2475/006 , Y10T428/266 , Y10T428/2848 , Y10T428/2861
摘要： The invention relates to an adhesive film strip comprising at least two, particularly three, layers, which adhesive film strip can be detached without residues and nondestructively by expansive stretching substantially in the adhesion plane, with a carrier on which a first external adhesive compound layer is present on at least one side, wherein the adhesive compound layer consists of adhesive compound formed on the basis of vinyl aromatic block copolymers and adhesive resins, wherein at least 75% of the resin (relative to the overall resin content) is selected with a DACP (diacetone alcohol cloud point) of greater than −20° C., preferably greater than 0° C., and the carrier has at least one layer made from a polyurethane with an elongation at break of at least 100% and a restoring power of more than 50%. A nonpolar hydrocarbon resin or a polyterpene resin is particularly used as the tackifier for the adhesive compound(s).
摘要翻译：本发明涉及一种粘合膜条带，其包括至少两个特别是三个层，该粘合膜条可以基本上在粘合平面中通过膨胀拉伸而无残留物非破坏性地分离，其中第一外部粘合剂化合物层是存在于至少一侧，其中所述粘合剂化合物层由基于乙烯基芳族嵌段共聚物和粘合剂树脂形成的粘合剂化合物组成，其中至少75％的树脂（相对于总的树脂含量）用DACP （双丙酮醇浊点）大于-20℃，优选大于0℃，并且载体具有至少一层由聚氨酯制成的断裂伸长率至少为100％的层和恢复力超过50％。非极性烃树脂或多萜烯树脂特别用作粘合剂化合物的增粘剂。

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