WO2024052121 - DEBONDABLE SOLVENT-BORNE PRESSURE SENSITIVE ADHESIVE (PSA)

National phase entry is expected:
Publication Number WO/2024/052121
Publication Date 14.03.2024
International Application No. PCT/EP2023/073083
International Filing Date 23.08.2023
Title **
[English] DEBONDABLE SOLVENT-BORNE PRESSURE SENSITIVE ADHESIVE (PSA)
[French] ADHÉSIF SENSIBLE À LA PRESSION (PSA) À BASE DE SOLVANT DÉCOLLABLE
Applicants **
HENKEL AG & CO. KGAA
Inventors
STAPF, Stefanie
SCHNEIDER, Anja
LIESKE, Alexandra
SUNDERMEIER, Uta
Priority Data
22193899.6   05.09.2022   EP
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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting1996
EPO Filing, Examination, Granting8126
Japan Filing, Examination, Granting2124
South Korea Filing, Examination, Granting2009
USA Filing, Examination, Granting4740
MasterCard Visa
Total: 18,995

The term for entry into the National Phase has expired. This quotation is for informational purposes only

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Abstract[English] The present invention relates to a debondable solvent-borne pressure sensitive adhesive composition comprising a) a (meth)acrylate co-polymer formed from the monomers selected from the group consisting of ethyl (meth)acrylate, methyl acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 3-epoxypropyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, hydrogenated polybutadiene(meth)acrylate, glacial acrylic acid, vinyl acetate, and mixtures thereof; b) an electrolyte selected from the group consisting of 1-butyl-3-methylimidazolium bis(trifluoromethylsolfonyl)imide, 1-ethyl-3-vinylimidazolium methanesulfonate, 1-dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, tributyl(ethyl) phosphonium diethyl phosphate, trihexyltetradecylphosphonium bis(trifluoromethylsulfonyl)amide and mixtures thereof; c) a cross- linker; and d) a solvent.[French] La présente invention concerne une composition adhésive sensible à la pression à base de solvant décollable comprenant a) un copolymère de (méth)acrylate formé à partir des monomères choisis dans le groupe constitué par le (méth)acrylate d'éthyle, l'acrylate de méthyle, le (méth)acrylate de butyle, le (méth)acrylate de 2-éthylhexyle, le (méth)acrylate de 3-époxypropyle, le (méth)acrylate de 2-hydroxyéthyle, le (méth)acrylate de polybutadiène hydrogéné, l'acide acrylique glacial, l'acétate de vinyle et leurs mélanges ; b) un électrolyte choisi dans le groupe constitué par le bis(trifluorométhylsulfonyl)imide de 1-butyl-3-méthylimidazolium, le méthanesulfonate de 1-éthyl-3-vinylimidazolium, le bis(trifluorométhylsulfonyl)imide de 1-dodécyl-3-méthylimidazolium, le diéthylphosphate de tributyl(éthyl)phosphonium, le bis(trifluorométhylsulfonyl)amide de trihexyltétradécylphosphonium et leurs mélanges ; c) un agent de réticulation ; et d) un solvant.