Title:
DISPERSANT COMPOSITION FOR HYDRAULIC POWDER
Document Type and Number:
Japanese Patent JP2022137585
Kind Code:
A
Abstract:
To provide a dispersant composition for hydraulic powder containing naphthalenesulfonic acid formaldehyde condensate or a salt thereof, which has an appropriate viscosity excellent for handling.SOLUTION: A dispersant composition for hydraulic powder comprises (i) a mixture containing a naphthalenesulfonic acid-formaldehyde condensate or a salt thereof and 1,5-naphthalenedisulfonic acid or a salt thereof (hereinafter referred to as an NSF mixture) and (ii) water. The NSF mixture contains 1,5-naphthalenedisulfonic acid or a salt thereof at a ratio of 4.0% or higher and 8.0% or lower in the peak area of the molecular weight distribution curve of the NSF mixture measured by gel permeation chromatography (GPC).SELECTED DRAWING: None
Inventors:
NAKAMURA KEISUKE
Application Number:
JP2021037128A
Publication Date:
September 22, 2022
Filing Date:
March 09, 2021
Export Citation:
Assignee:
KAO CORP
International Classes:
C04B24/22; C08G10/02; C08L61/18
Attorney, Agent or Firm:
Satoshi Furuya
Yoshitsune Kazumasa
Yoshitsune Kazumasa
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