Resol beads, methods of making them, and methods of using them

Details Resol beads, methods of making them, and methods of using them Resol beads, methods of making them, and methods of using them

C - Chemistry, Metallurgy

08

G

C08G 8/10 (2006.01)

Patent

CA 2640450

Resol beads are. disclosed prepared by reaction of a phenol with an aldehyde, with a base as catalyst, in the presence of a colloidal stabilizer, and optionally a surfactant. The resol beads have a variety of uses, and may be thermally treated and carbonized to obtain activated carbon beads.

L'invention concerne des perles de résol préparées en faisant réagir un phénol avec un aldéhyde, en utilisant une base comme catalyseur, en présence d'un agent stabilisant colloïdal et le cas échéant d'un agent tensio-actif. Les perles de résol ont des usages divers et peuvent subir un traitement thermique et une carbonisation afin d'obtenir des perles de charbon actif.

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