公开(公告)号：US20220250986A1

公开(公告)日：2022-08-11

申请号：US17616359

申请日：2020-05-27

Applicant: BASF SE

Inventor： Bernhard FEICHTENSCHLAGER ,  Michael SCHINABECK ,  Matthias Josef HOFMANN

IPC: C04B28/04 ,  C04B40/00

Abstract: The present application relates to an additive component comprising a component A and a component B, wherein component A comprises at least one hardening retarder selected from glyoxylic acid, salts thereof, condensation or addition products of glyoxylic acid or salts thereof, and mixtures thereof, and component B comprises at least one hardening accelerator selected from calcium-silicate-hydrate, calcium formate, calcium nitrate, calcium chloride, calcium hydroxide, lithium carbonate, lithium sulfate, potassium sulfate, sodium sulfate, ground gypsum, and combinations thereof, in 3D printing of a construction material composition.