Dispersant composition for hydraulic composition

Patent metadata

Field	Value
Publication number	US-10322967-B2
Application number	US-201615552656-A
Country	US
Kind code	B2
Filing date	Mar 17, 2016
Priority date	Mar 17, 2015
Publication date	Jun 18, 2019
Grant date	Jun 18, 2019

Abstract

The present invention is a dispersant composition for a hydraulic composition, which includes (A) a polymer compound having a naphthalene ring-containing monomer unit and (B) a specific alkylene oxide added compound represented by the general formulas (B1) to (B3), wherein a molar ratio of a total amount of the component (B) to the naphthalene ring-containing monomer unit in the component (A) is 0.4% or more and 30% or less.

First claim

The invention claimed is:

1. A dispersant composition for a hydraulic composition, comprising (A) a polymer compound having a molecular weight of 5000 or more and containing a naphthalene ring-containing monomer unit; and (B) one or two or more compounds selected from a compound represented by the following general formula (B1), a compound represented by the following general formula (B2) and a compound represented by the following general formula (B3),
wherein a molar ratio of a total amount of (B) to the naphthalene ring-containing monomer unit in (A) is 0.4% or more and 30% or less,

wherein:
R is a hydrophobic group containing a carbon atom, and providing an HLB of a compound in the form of R—H of 1.30 or less;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
p represents an average number of AO moles added and is 5 or more and 200 or less;
q and r are the same or different and each represents an average number of AO moles added and is 0 or more, and q+r is 1 or more and 200 or less;
M, M 1 and M 2 are the same or different and each represents a counter ion; and
X 1 and X 2 are the same or different, and each represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 or more and 4 or less.

2. The dispersant composition for a hydraulic composition according to claim 1 , further comprising (C) an antifoaming agent.

3. The dispersant composition for a hydraulic composition according to claim 1 , wherein the component (A) is a formaldehyde naphthalenesulfonate condensate or a salt thereof.

4. A hydraulic composition comprising a hydraulic powder, water, (A) a polymer compound having a molecular weight of 5000 or more and containing a naphthalene ring-containing monomer unit, and (B) one or two or more compounds selected from a compound represented by the following general formula (B1), a compound represented by the following general formula (B2) and a compound represented by the following general formula (B3),
wherein a molar ratio of a total amount of (B) to the naphthalene ring-containing monomer unit in (A) is 0.4% or more and 30% or less,

wherein:
R is a hydrophobic group containing a carbon atom, and providing an HLB of a compound in the form of R—H of 1.30 or less;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
p represents an average number of AO moles added and is 5 or more and 200 or less;
q and r are the same or different and each represents an average number of AO moles added and is 0 or more, and q+r is 1 or more and 200 or less;
M, M 1 and M 2 are the same or different and each represents a counter ion; and
X 1 and X 2 are the same or different, and each represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 or more and 4 or less.

5. The hydraulic composition according to claim 4 , further comprising (C) an antifoaming agent.

6. The hydraulic composition according to claim 4 , wherein (A) is a formaldehyde naphthalenesulfonate condensate or a salt thereof.

7. The hydraulic composition according to claim 4 , wherein (A) is contained in an amount of 0.001 parts by mass or more and 10 parts by mass or less relative to 100 parts by mass of the hydraulic powder.

8. The hydraulic composition according to claim 4 , wherein (B) is contained in an amount of 0.0001 parts by mass or more and 10 parts by mass or less relative to 100 parts by mass of the hydraulic powder.

9. A method for manufacturing a dispersant composition for a hydraulic composition, wherein the dispersant composition comprises: (A) a polymer compound having a molecular weight of 5000 or more and containing a naphthalene ring-containing monomer unit; and (B) one or two or more compounds selected from a compound represented by the following general formula (B1), a compound represented by the following general formula (B2) and a compound represented by the following general formula (B3),
the method comprising mixing (A) and (B) so that a molar ratio of a total amount of (B) to the naphthalene ring-containing monomer unit in (A) is 0.4% or more and 30% or less,

wherein:
R is a hydrophobic group containing a carbon atom, and providing an HLB of a compound in the form of R—H of 1.30 or less;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
p represents an average number of AO moles added and is 5 or more and 200 or less;
q and r are the same or different and each represents an average number of AO moles added and is 0 or more, and q+r is 1 or more and 200 or less;
M, M 1 and M 2 are the same or different and each represents a counter ion; and
X 1 and X 2 are the same or different, and each represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 or more and 4 or less.

10. A method for manufacturing a hydraulic composition, wherein the hydraulic composition comprises a hydraulic powder, water, (A) a polymer compound having a molecular weight of 5000 or more and containing a naphthalene ring-containing monomer unit, and (B) one or two or more compounds selected from a compound represented by the following general formula (B1), a compound represented by the following general formula (B2) and a compound represented by the following general formula (B3),
the method comprising mixing (A) and (B) so that a molar ratio of a total amount of (B) to the naphthalene ring-containing monomer unit in (A) is 0.4% or more and 30% or less,

wherein:
R is a hydrophobic group containing a carbon atom, and providing an HLB of a compound in the form of R—H of 1.30 or less;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
p represents an average number of AO moles added and is 5 or more and 200 or less;
q and r are the same or different and each represents an average number of AO moles added and is 0 or more, and q+r is 1 or more and 200 or less;
M, M 1 and M 2 are the same or different and each represents a counter ion; and
X 1 and X 2 are the same or different, and each represents a hydrogen atom or a hydrocarbon group having a carbon number of 1 or more and 4 or less.

11. A dispersant composition for an inorganic powder, comprising: (A) a polymer compound having a molecular weight of 5000 or more and containing a naphthalene ring-containing monomer unit; and (B) one or two or more compounds selected from a compound represented by the following general formula (B1), a compound represented by the following general formula (B2) and a compound represented by the following general formula (B3),
wherein a molar ratio of a total amount of (B) to the naphthalene ring-containing monomer unit in (A) is 0.4% or more and 30% or less,

wherein:
R is a hydrophobic group containing a carbon atom, and providing an HLB of a compound in the form of R—H of 1.30 or less;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
p represents an average number of AO m

Assignees

• Kao Corp

Inventors

• Saida Kazuya
• Koyanagi Koji
• Shimoda Masaaki
• Tanaka Shunya

Classifications

• C04B28/02 Primary

  containing hydraulic cements other than calcium sulfates · CPC title

• C04B24/12

  Nitrogen containing compounds {organic derivatives of hydrazine (hydrazine C04B22/00)} · CPC title

• C04B24/08

  Fats; Fatty oils; Ester type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats · CPC title

• C04B24/32

  Polyethers, e.g. alkylphenol polyglycolether · CPC title

• C04B2103/408

  Dispersants · CPC title