WO2025224626 - THERMOPLASTIC POLYURETHANE AND ASSOCIATED METHOD AND ARTICLE

National phase entry is expected:
Publication Number WO/2025/224626
Publication Date 30.10.2025
International Application No. PCT/IB2025/054201
International Filing Date 22.04.2025
Title **
[English] THERMOPLASTIC POLYURETHANE AND ASSOCIATED METHOD AND ARTICLE
[French] POLYURÉTHANE THERMOPLASTIQUE, PROCÉDÉ ET ARTICLE ASSOCIÉS
Applicants **
SHPP GLOBAL TECHNOLOGIES B.V.
Inventors
BANACH, Timothy Edward
Priority Data
24171642.2   22.04.2024   EP
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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting2085
EPO Filing, Examination, Granting8306
Japan Filing, Examination, Granting2155
South Korea Filing, Examination, Granting2071
USA Filing, Examination, Granting5340
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Total: 19,957
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Abstract[English] A thermoplastic polyurethane composition is formed by the reaction of a specific bifunctional poly(arylene ether) having an end group, wherein the end group comprises a linking group comprising a substituted or unsubstituted saturated hydrocarbylene group or a substituted or unsubstituted saturated poly(hydrocarbylene ether), and a terminal functional group comprising a hydroxyl group or a salt thereof, with an organic diisocyanate. The thermoplastic polyurethane compositions can exhibit improved dielectric properties. Methods for the manufacture of the thermoplastic polyurethane compositions and articles derived therefrom are also described.[French] Une composition de polyuréthane thermoplastique est formée par la réaction d'un poly(arylène éther) bifonctionnel spécifique ayant un groupe terminal, le groupe terminal comprenant un groupe de liaison comprenant un groupe hydrocarbylène saturé substitué ou non substitué ou un poly(hydrocarbylène éther) saturé substitué ou non substitué, et un groupe fonctionnel terminal comprenant un groupe hydroxyle ou un sel de celui-ci, avec un diisocyanate organique. Les compositions de polyuréthane thermoplastique peuvent présenter des propriétés diélectriques améliorées. L'invention concerne également des procédés de fabrication des compositions de polyuréthane thermoplastique et des articles dérivés de celles-ci.