公开(公告)号：US20240360346A1

公开(公告)日：2024-10-31

申请号：US18646409

申请日：2024-04-25

申请人： tesa SE

发明人： Waldemar Schmidt ,  Eugen Fomenko ,  Ralf Kretzmer ,  Kai Ellringmann ,  Bianca Mayer

IPC分类号： C09J7/38 ,  C09J133/08

CPC分类号： C09J7/385 ,  C09J133/08 ,  C09J2301/50

摘要： A pressure-sensitive adhesive for bonding printing plates, comprising one or more copolymers in a combined mass fraction of 30% or more, based on the mass of the pressure-sensitive adhesive, where the one or more copolymers are preparable by polymerizing a monomer composition and optionally subsequently crosslinking the polymers, where the monomer composition, based on the mass of the monomer composition, comprises: i) one or more specific first monomers in a combined mass fraction in the range from 5% to 15%, ii) one or more specific second monomers in a combined mass fraction of 70% or more, and iii) one or more specific third monomers in a combined mass fraction in the range from 5% to 15%.

公开(公告)号：US20240318054A1

公开(公告)日：2024-09-26

申请号：US18613753

申请日：2024-03-22

申请人： tesa SE

发明人： Julia Rompf ,  Ralf Kretzmer ,  Alexander Fischer ,  Kai Ellringmann ,  Bastian Wedel

IPC分类号： C09J133/10 ,  C09J7/30 ,  C09J9/00

CPC分类号： C09J133/10 ,  C09J7/30 ,  C09J9/00 ,  C09J2301/414 ,  C09J2433/00

摘要： An optically transparent adhesive compound, a process for producing it and an adhesive transfer tape comprising the adhesive compound. The present invention also relates to the use of the adhesive compound. The optically transparent adhesive compound is for bonding displays, holographic optical elements, lenses and glasses, including: 80 to 100% by weight of at least one (meth)acrylate-containing copolymer A, the copolymer A composed of 15 to 95% by weight of linear alkyl (meth)acrylate monomers, wherein the number of carbon atoms of the alkyl radicals of the linear alkyl (meth)acrylate monomers is 6 to 10, and 5 to 30% by weight of hydroxy group-containing (meth)acrylate monomers. Further, the adhesive compound has a haze value of less than 5% and a transmission at 400 nm to 800 nm of more than 90%, each measured according to ASTM D1003-13.

公开(公告)号：US12054655B2

公开(公告)日：2024-08-06

申请号：US17126416

申请日：2020-12-18

申请人： tesa SE

发明人： Benjamin Pütz ,  Ralf Kretzmer

IPC分类号： C09J7/38 ,  C08F220/06 ,  C08F220/20 ,  C08F220/28 ,  C08F226/02 ,  C09J7/21 ,  C09J7/35

CPC分类号： C09J7/385 ,  C08F220/06 ,  C08F220/20 ,  C08F220/285 ,  C08F226/02 ,  C09J7/21 ,  C09J7/35 ,  C09J2301/30 ,  C09J2433/00

摘要： A repulpable pressure-sensitive adhesive useful on polar and apolar papers and storage-stable comprises a polymer whose parent monomer composition comprises:



a) 10 to 30 wt % of at least one compound of the formula (I)

CH2═CH—C(O)NR1R2  (I),

wherein R1 is an unsubstituted alkyl group, a hydroxyalkyl group or an acetonyl radical and R2 is a hydrogen atom, an unsubstituted alkyl group, a hydroxyalkyl group, an acetonyl radical or an aminoalkyl group;
b) 60 to 80 wt % of at least one compound of the formula (II)

CH2═CH—C(O)O—(CH2)2—O—R3  (II),

wherein R3 is an unsubstituted alkyl group, an alkoxyalkyl group or a (polyalkoxy)alkyl group; and
c) 0.5 to 10 wt % of at least one monomer selected from the group consisting of acrylic acid, methacrylic acid and (C2-C4 hydroxyalkyl) acrylates.




Also disclosed is an adhesive tape comprising the pressure-sensitive adhesive, and use of the pressure-sensitive adhesive and/or the adhesive tape for producing water-soluble bonds.