Results 111 to 120 of about 61,661 (214)

Solvent‐, Catalyst‐, and Heating‐Free Mechanochemical Depolymerization of Polyurethane

open access: yesChemSusChem, Volume 19, Issue 13, 14 July 2026.
A sustainable mechanochemical strategy is developed for polyurethane depolymerization under ambient conditions using only NaOH. Ball milling enables efficient urethane bond cleavage, allowing up to 69% polyol recovery from commercial PU foams within 3 h. This energy‐efficient approach offers a novel route for polyurethane recycling.
Soonhyuk Cha   +2 more
wiley   +1 more source

Radiologic Evaluation of Odontogenic Sinusitis and Its Etiologic Factors: Lessons Learned from a Retrospective Study with a Proposed Imaging-Guided Management Pathway. [PDF]

open access: yesJ Clin Med
Nelke K   +9 more
europepmc   +1 more source

The Italian Unitary Society of Colon-Proctology (SIUCP: Società Italiana Unitaria di Colonproctologia) guidelines for the management of obstructed and ineffective defecation syndrome. [PDF]

open access: yesAnn Coloproctol
Renzi A   +142 more
europepmc   +1 more source

Continuing industrial emissions are delaying the recovery of the stratospheric ozone layer. [PDF]

open access: yesNat Commun
Reimann S   +13 more
europepmc   +1 more source

Artificial Intelligence-Assisted CMR Scanning vs Standard-of-Care: Comparative Analysis of Clinical Benefits From 6,545 Consecutive Studies. [PDF]

open access: yesJACC Adv
Kwong RY   +8 more
europepmc   +1 more source

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