EP 3 862 333 A1

Cement mortar additive comprising hydrophobic silica,
and preparation method therefor

(22) 26.09.2019

(43) 11.08.2021

(57) The present disclosure relates to a cement mortar additive and a method of manufacturing the same. More particularly, the present disclosure relates to a cement mortar additive for solving the inhomogeneity, which is a problem caused by the deliquescence of urea, so that the deterioration of the physical properties of a cement mortar is prevented and the open time, water retentivity, and workability of the cement mortar are im-proved, and to a method of manufacturing the cement mortar additive.

(71) Lotte Fine Chemical Co., Ltd. Nam-gu, Ulsan 44714 (KR)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES Fl FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR; Designated Extension States: BA ME; Designated Validation States: KH MA MD TN

This article appeared in

ZKG 7/2021

This article appeared in

ZKG 7/2021

Ressort:  Patents
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