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US 2017/0233292 A1Published application
Cement composition additive containing polycarboxylic acid copolymer, zinc oxide particles and gluconate
AssigneeLG Chem, Ltd.
InventorsHyo Min KIM, Chang Bum KO, Imgyu KIM, Dong Jo RYU
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Abstract
Disclosed are a cement composition additive with improved compressive strength and workability, including a polycarboxylic acid copolymer and/or a salt thereof, zinc oxide particles, and a predetermined amount of gluconic acid and/or a salt thereof, and a cement composition containing the same.
Claims19
A cement composition additive comprising:
- a polycarboxylic acid copolymer and/or a salt thereof;
- zinc oxide;
- and
- gluconic acid and/or a salt thereof.
1 more element
Dependencies are inferred from the claim text.