Setting and hardening accelerator
for hydraulic binders

(11) EP 3 109 216 Al

(22) 22.06.2015

(43) 28.12.2016 Patentblatt 2016/52

(57) Zusatzmittel, welches die Festigkeitsentwicklung von hydraulischen Bindemitteln beschleunigt, umfassend ein Alkanolamin der Formel, wobei R1 fiir Alkyl mit mindestens 3 Hydroxygruppen steht und R2 und R3 unabhängig voneinander fiir eine Alkylgruppe oder eine ein- oder mehrwertige Alka­nolgruppe stehen, und Verfahren zur Beschleunigung der Festigkeitsentwicklung von hydraulischen Bindemit­teln bei dem dieses zugefügt wird.

(71) HeidelbergCement AG 69120 Heidelberg (DE)

(84) Benannte Vertragsstaaten:AL AT BE BG CH CY CZ DE...

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