公开(公告)号：US20250101271A1

公开(公告)日：2025-03-27

申请号：US18899030

申请日：2024-09-27

Applicant: TESA SE

Inventor： Thilo DOLLASE ,  Julia GARBERS ,  Dörte VON ALLWÖRDEN

IPC: C09J7/38 ,  C09J7/25 ,  C09J153/02

Abstract: Pressure-sensitive adhesive compound containing: a) at least 28% by weight and at most 60% by weight of an elastomer component, wherein i. the elastomer component contains 30 to 64% by weight or at least 60% by weight and preferably at most 90% by weight, based in each case on the elastomer component, of at least one hydrogenated polyvinylaromatic-polydiene block copolymer having a polyvinylaromatic fraction of at least 18% by weight and a peak molecular weight of 100000 to 500000 g/mol, determined according to GPC (Test Ia), ii. the polydiene blocks are substantially fully hydrogenated, iii. the hydrogenated polyvinylaromatic-polydiene block copolymer has an ABA structure, (AB)nZ structure with n=2 or radial (AB)n structure or radial (AB)n-Z structure with n≥3, wherein A=polyvinylaromatic, B=ethylene and butylene or ethylene and propylene and Z=derivative of a coupling substance, and wherein the ethylene fraction in the B blocks is preferably at least 50% by weight, and iv. the elastomer component contains 36% by weight, preferably 36 to 70% by weight, and preferably not more than 50% by weight, more preferably not more than 45% by weight, of at least one kind of a hydrogenated diblock copolymer having an A′B′ structure or (A′B′)nZ structure with n=1, wherein A′=polyvinylaromatic, B′=ethylene and butylene or ethylene and propylene, Z=derivative of a coupling substance, and A′=A and B′=B are possible, b) a tackifier resin component, c) optionally a plasticizer component, d) optionally at least 2.5% by weight to 22% by weight, preferably at least 4% by weight up to 18% by weight, of a reinforcing component which is at least one resin having an MMAP value between −10° C. and +30° C., preferably between 0° C. and +20° C., and a softening point of at least 140° C., e) optionally further adjuvants, the fraction of the elastomer component being based on the total weight of the pressure-sensitive adhesive compound.

公开(公告)号：US20190077998A1

公开(公告)日：2019-03-14

申请号：US15767239

申请日：2016-10-13

Applicant: TESA SE

Inventor： Thilo DOLLASE ,  Julia GARBERS ,  Tanja ALTENWEGNER

IPC: C09J7/38 ,  C09J7/26 ,  C09J153/02 ,  B32B5/18 ,  B32B7/12 ,  B32B27/30 ,  B32B27/06

Abstract: A self-adhesive article comprising (i) at least one carrier material which comprises at least one foamed layer having a first surface A and a second surface B, the at least one foamed layer of the carrier material having a thickness of at least 500 μm and at most 1800 μm, a tensile strength in detachment direction of at least 500 kPa, a tensile elongation in detachment direction of at least 300% and a compressive hardness of at least 50 kPa, (ii) a layer HKA of pressure-sensitive adhesive (PSA) assigned to the surface (A), (iii) a PSA layer HKB assigned to the surface (B) and (iv) optionally further layers; the PSA layers HKA and HKB may be two PSA layer combinations.

公开(公告)号：US20230312994A1

公开(公告)日：2023-10-05

申请号：US18128627

申请日：2023-03-30

Applicant: tesa SE

Inventor： Thilo DOLLASE ,  Julia BEFUß ,  Jan Ole PÖHLS ,  Julia GARBERS

IPC: C09J7/38 ,  C09J133/10 ,  C09J11/08 ,  C09J7/26

CPC classification number: C09J7/385 ,  C09J133/10 ,  C09J11/08 ,  C09J7/26 ,  C09J2301/122 ,  C09J2301/302 ,  C09J2301/408 ,  C09J2301/312

Abstract: Adhesive tapes suitable for bonding to clearcoat materials and exhibiting a good shear strength and a bond strength compatible with requirements. Methods apply the adhesive tapes onto clearcoat materials. The adhesive tapes comprise a carrier layer and a layer of pressure-sensitive adhesive, arranged on the outside in the structure of the adhesive tape. The layer of pressure-sensitive adhesive comprises: at least one polymer selected from poly(meth)acrylates and polydiene block copolymers, or at least one blend of at least one poly(meth)acrylate and at least one polydiene block copolymer; and a tackifier resin component comprising at least one terpene phenolic resin, wherein the terpene phenolic resin has a softening temperature as determined by the ring-and-ball method according to ASTM E28, of not more than 140° C.

公开(公告)号：US20250066642A1

公开(公告)日：2025-02-27

申请号：US18812453

申请日：2024-08-22

Applicant: TESA SE

Inventor： Thilo DOLLASE ,  Julia GARBERS

IPC: C09J7/38 ,  C09J7/24 ,  C09J7/25 ,  C09J11/08

Abstract: Pressure-sensitive adhesive compound containing: a) at least 28% by weight and at most 60% by weight of an elastomer component, wherein i. the elastomer component contains at least 60% by weight and preferably at most 90% by weight, based in each case on the elastomer component, of at least one hydrogenated polyvinylaromatic-polydiene block copolymer having a polyvinylaromatic fraction of at least 18% by weight and a peak molecular weight of 100,000 to 500,000 g/mol, determined according to GPC (Test i), ii. the polydiene blocks are substantially fully hydrogenated, iii. the hydrogenated polyvinylaromatic-polydiene block copolymer has an ABA structure, (AB)nZ structure with n=2 or radial (AB)n structure or radial (AB)n−Z structure with n≥3, wherein A=polyvinylaromatic, B=ethylene and butylene or ethylene and propylene and Z=derivative of a coupling substance, and wherein the ethylene fraction in the B blocks is preferably at least 50% by weight, and iv. the elastomer component contains at least one kind of a hydrogenated diblock copolymer having an A′B′ structure or (A′B′)nZ structure with n=1, wherein A′=polyvinylaromatic, B′=ethylene and butylene or ethylene and propylene, Z=derivative of a coupling substance, and possibly A′=A and B′=B, b) a tackifier resin component, c) optionally a plasticizer component, d) at least 2.5% by weight to 22% by weight, preferably at least 4% by weight to 18% by weight, of a reinforcing component which is at least one resin having an MMAP value between −10° C. and +30° C., preferably between 0° C. and +20° C., and a softening point of at least 140° C., e) optionally further adjuvants, the fraction of the elastomer component being based on the total weight of the pressure-sensitive adhesive compound.

公开(公告)号：US20230374354A1

公开(公告)日：2023-11-23

申请号：US18129435

申请日：2023-03-31

Applicant: tesa SE

Inventor： Jos TASCHE ,  Imke SCHWARZ ,  Thilo DOLLASE ,  Julia GARBERS ,  Jan Ole POEHLS

IPC: C09J153/02 ,  C09J7/38 ,  C09J7/24 ,  B32B27/32 ,  B32B27/40

CPC classification number: C09J153/025 ,  C09J7/387 ,  C09J7/243 ,  B32B27/32 ,  B32B27/40 ,  C09J2301/502 ,  C09J2301/302 ,  B32B2255/12 ,  B32B2255/26 ,  B32B27/10

Abstract: Self-adhesive product redetachable by extensive stretching comprises a pressure-sensitive adhesive comprising: a) an elastomer component, where i. the elastomer component comprises a hydrogenated polyvinylaromatic-polydiene block copolymer described herein, ii. the polydiene blocks are substantially fully hydrogenated, iii. the hydrogenated polyvinylaromatic-polydiene block copolymer has a construction described herein, and iv. the elastomer component comprises a hydrogenated diblock copolymer having a construction described herein, b) a tackifying resin component, c) optionally a plasticizer, d) optionally further adjuvants, and also at least one ply of a temporary carrier material.

公开(公告)号：US20250101269A1

公开(公告)日：2025-03-27

申请号：US18884544

申请日：2024-09-13

Applicant: TESA SE

Inventor： Thilo DOLLASE ,  Julia GARBERS ,  Dörte VON ALLWÖRDEN

IPC: C09J7/38 ,  C09J11/08 ,  C09J153/02

Abstract: Pressure-sensitive adhesive compound containing: a) at least 28% by weight and at most 60% by weight of an elastomer component, wherein i. the elastomer component contains at least 60% by weight and preferably at most 90% by weight, based in each case on the elastomer component, of at least one hydrogenated polyvinylaromatic-polydiene block copolymer having a polyvinylaromatic fraction of at least 18% by weight and a peak molecular weight of 100 000 to 500 000 g/mol, determined according to GPC (Test Ia), ii. the polydiene blocks are substantially fully hydrogenated, iii. the hydrogenated polyvinylaromatic-polydiene block copolymer has an ABA structure, (AB)nZ structure with n=2 or radial (AB)n structure or radial (AB)n—Z structure with n≥3, wherein A=polyvinylaromatic, B=ethylene and butylene or ethylene and propylene and Z=derivative of a coupling substance, and wherein the ethylene fraction in the B blocks is preferably at least 50% by weight, and iv. the elastomer component contains at least 36% by weight, and preferably not more than 50% by weight, more preferably not more than 45% by weight, of at least one kind of a hydrogenated diblock copolymer having an A′B′ structure or (A′B′)nZ structure with n=1, wherein A′=polyvinylaromatic, B′=ethylene and butylene or ethylene and propylene, Z=derivative of a coupling substance, and A′=A and B′=B are possible, b) a tackifier resin component, c) optionally a plasticizer component, d) optionally at least 2.5% by weight to 22% by weight, preferably at least 4% by weight up to 18% by weight, of a reinforcing component which is at least one resin having an MMAP value between −10° C. and +30° C., preferably between 0° C. and +20° C., and a softening point of at least 140° C., e) optionally further adjuvants, the fraction of the elastomer component being based on the total weight of the pressure-sensitive adhesive compound.

公开(公告)号：US20190112508A1

公开(公告)日：2019-04-18

申请号：US16155494

申请日：2018-10-09

Applicant: TESA SE

Inventor： Thomas Schubert ,  Michael MAYER ,  Marten PAPENBROOCK ,  Marta LUNDING ,  Julia GARBERS

IPC: C09J7/38 ,  C09J7/26 ,  C09J153/02

Abstract: The invention relates to a pressure-sensitive adhesive strip containing at least one layer SK1 of a self-adhesive composition based on vinylaromatic block copolymer and containing tackifying resin, wherein the vinylaromatic block copolymer contains at least one polymer block A formed predominantly by polymerization of vinylaromatics, and simultaneously contains at least one polymer block B formed predominantly by polymerization of conjugated dienes, where the proportion of 1,2-bonded conjugated diene in the B block is less than 30% by weight, preferably less than 20% by weight. The invention also relates to a pressure-sensitive adhesive strip of this kind, in which at least layer SK1 has been subjected to irradiation with electrons.

公开(公告)号：US20190078000A1

公开(公告)日：2019-03-14

申请号：US15767229

申请日：2016-10-13

Applicant: TESA SE

Inventor： Thilo DOLLASE ,  Tanja ALTENWEGNER ,  Julia GARBERS

IPC: C09J7/38 ,  C09J125/10 ,  C09J153/02

Abstract: 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 deblock proportion with respect to the total block copolymer content of 32 to 55 wt. %, (b) at least one adhesive resin, which is a hydrocarbon resin having a DACP 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.