Hohlpartikel, Verfahren zur Herstellung von Hohlpartikeln, Harzzusammensetzung, Formkörper und Verfahren zur Herstellung eines Formkörpers

Details

Veröffentlichungs-Nr.

EP4714536

Anmeldetag

5. Juli 2022

Veröffentlichung

25. März 2026

Rechtsraum

EP

IPC

B01J13/16(MITSUI CHEMICALS INC et al.)(OUCHI TAKUTO et al.)

Abstract

Hollow particles which comprise a resin-containing shell and a hollow portion surrounded by the shell, wherein a void ratio is 50% or more; wherein the shell contains, as the resin, a polymer in which 60 to 100 parts by mass of a crosslinkable monomer unit is contained in 100 parts by mass of all monomer units; wherein the hollow particles have at least one kind of reactive group selected from a hydroxy group and an amino group on a surface thereof and the hydroxyl value is 0.20 mmol/g or more or the amine value is 0.20 mmol/g or more, or wherein the hollow particles have at least one kind of reactive group selected from the group consisting of a carboxy group, a carboxylic anhydride group and a sulfo group on a surface thereof and the acid value is 0.20 mmol/g or more.

Anmelder

Firma

Zeon Corporation

Land

🇯🇵 Japan