WO2025162800 - FREE-FLOWING PELLETS CONTAINING PRESSURE SENSITIVE ADHESIVES
National phase entry is expected:
Publication Number
WO/2025/162800
Publication Date
07.08.2025
International Application No.
PCT/EP2025/051614
International Filing Date
23.01.2025
Title **
[English]
FREE-FLOWING PELLETS CONTAINING PRESSURE SENSITIVE ADHESIVES
[French]
PASTILLES NON AGGLOMÉRÉES CONTENANT DES ADHÉSIFS AUTOCOLLANTS
Applicants **
HENKEL AG & CO. KGAA
Inventors
TOENNIESSEN, Holger
HU, Yuhong
DESAI, Darshak R
KONG, Wei
OESS, Christina
Priority Data
63/627,226
31.01.2024
US
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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* The data is based on automatic recognition. Please verify and amend if necessary.
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2026 | |
| EPO | Filing, Examination, Granting | 8107 | |
| Japan | Filing, Examination, Granting | 2154 | |
| South Korea | Filing, Examination, Granting | 2066 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,093
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Abstract[English]
The present invention provides a hot melt adhesive in the form of a pellet comprising: (i) a core consisting of a hot melt pressure sensitive adhesive having a softening point of 60 to 150°C, and (ii) an outer shell consisting of a coating composition comprising: (A) a thermoplastic styrenic block polymer, wherein the thermoplastic styrenic block polymer has a styrene content of 15 to 50%, (B) a wax present in an amount ranging from about 20% to about 50%, by weight of the coating composition (ii), (C) a plasticizer, (D) an antioxidant, and (E) optionally a slip additive, (F) tackifier in an amount ranging from 0% to 5% by weight of the coating composition, and wherein the outer shell (ii) completely coats the core (i).[French]
La présente invention concerne un adhésif thermofusible se présentant sous la forme d'une pastille comprenant : (i) un cœur constitué d'un adhésif autocollant thermofusible, présentant un point de ramollissement variant de 60 à 150 °C, et (ii) une enveloppe externe constituée d'une composition de revêtement comprenant : (A) un polymère séquencé styrénique thermoplastique, le polymère séquencé styrénique thermoplastique présentant une teneur en styrène variant de 15 à 50 %, (B) une cire présente à raison d'environ 20 à environ 50 % en poids de la composition de revêtement (ii), (C) un plastifiant, (D) un antioxydant et (E), éventuellement, un agent glissant, (F) un agent poisseux à raison de 0 à 5 % en poids de la composition de revêtement, l'enveloppe externe (ii) recouvrant complètement le cœur (i).