Pulver und Granulat, Verfahren zur Herstellung Solch eines Pulvers und Granulats und Verwendung davon

Details

Veröffentlichungs-Nr.

EP3628724

Aktenzeichen

EP18196604

Anmeldetag

25. September 2018

Veröffentlichung

28. Juli 2021

Erteilung

28. Juli 2021

Rechtsraum

EP

IPC

C11D3/37C11D11/02

Abstract

The present invention is directed towards a process for making a powder or granule containing (A) at least one copolymer obtainable by polymerization of at least one monomer according to formula (I): <img class="EMIRef" id="643641018-ia01" /> in an amount of 1 to 70 mole%, wherein n is ≥ 3 and at least one monomer according to formula (II): <img class="EMIRef" id="643641018-ia02" /> in an amount of 30 to 99 mole%, (B) at least one homo- or copolymer of (meth)acrylic acid, partially or fully neutralized with alkali, said process comprising the steps of (a) mixing the at least one copolymer (A) and the at least one homo- or copolymer (B) in the presence of water, (b) removing most of said water by spray-drying or spray granulation using a gas with an inlet temperature of at least 125°C.

Anmelder

Firmen

BASF SE
Henkel AG & Co. KGaA

Land

🇩🇪 Deutschland

Fachgebiete