WO2023079450 - MATERIAL FOR CASTING RELEASE PAPER AND A PROCESS FOR ITS PREPARATION

National phase entry is expected:
Publication Number WO/2023/079450
Publication Date 11.05.2023
International Application No. PCT/IB2022/060546
International Filing Date 02.11.2022
Title [English] MATERIAL FOR CASTING RELEASE PAPER AND A PROCESS FOR ITS PREPARATION [French] MATÉRIAU POUR PAPIER ANTIADHÉSIF DE MOULAGE ET SON PROCÉDÉ DE PRÉPARATION
Applicants ** INOVITA (HONG KONG) LIMITED Room 1604, 16/F Yuen Long Trading Centre 33 Wang Yip Street West Yuen Long, N.T. Hong Kong, CN
Inventors ** FANELLI, Francis S.C. Monte Cipolla 37/D 70013 Castellana Grotte (Bari), IT
Priority Data 102021000027986  03.11.2021  IT
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Abstract [English] A casting release paper material is described comprising a continuous layer of a backing material impregnated with an unsaturated polyester resin with allyl functionalitiescross-linked with acrylic monomers in the presence of radical initiators. The material of the invention is characterized by improved performance in terms of strength and stability, formability, aesthetic appearance, environmental compatibility and cost-effectiveness. The invention also describes a process for preparing said material. [French] L'invention concerne un matériau de papier antiadhésif de moulage comprenant une couche continue d'un matériau de support imprégné d'une résine de polyester insaturé à fonctionnalités allyliques réticulée avec des monomères acryliques en présence d'initiateurs de radicaux. Le matériau de l'invention est caractérisé par des performances améliorées en matière de résistance et de stabilité, de formabilité, d'aspect esthétique, de compatibilité environnementale et de rentabilité. L'invention concerne également un procédé de préparation dudit matériau.