Lotte Fine Chemical Co., Ltd.

Bong Jin Kwon

Hyun Ji Jeong

Min Seok Kang

Nak Woon Choi

Yun Na Kim

Ji Eun Ju

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 improved, and to a method of manufacturing the cement mortar additive.

Cement mortar additive comprising hydrophobic silica, and preparation method therefor

Provided are an additive composition for a tile cement mortar and a tile cement mortar including the additive composition for a tile cement mortar. The provided additive composition for a tile cement mortar includes cellulose ether and urea, wherein the amount of the urea is from 5 parts by weight to 43 parts by weight based on 100 parts by weight of the cellulose ether.

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Ulsan, South Korea

Bong Jin Kwon