Dispersant composition for hydraulic composition

Patent metadata

Field	Value
Publication number	US-10322968-B2
Application number	US-201615563174-A
Country	US
Kind code	B2
Filing date	Mar 29, 2016
Priority date	Mar 31, 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 high-molecular compound having a naphthalene ring-containing monomer unit, (B) a polymer having a weight average molecular weight of 1,000 or more and 1,000,000 or less, and having: a monomer unit having a group selected from a carboxylic acid group, a phosphate group, a group that changes to a carboxylic acid group by hydrolysis, and a group that changes to a phosphate group by hydrolysis; and a monomer unit having an alkyleneoxy group, and (C) a specific compound represented by the general formulas (C1) to (C4).

First claim

The invention claimed is:

1. A dispersant composition for a hydraulic composition, comprising:
(A) a compound having a weight average molecular weight of 1,000 or more and 200,000 or less and having a naphthalene ring-containing monomer unit;
(B) a polymer having a weight average molecular weight of 1,000 or more and 1,000,000 or less, and having: a monomer unit having a group selected from a carboxylic acid group, a phosphate group, a group that changes to a carboxylic acid group by hydrolysis, and a group that changes to a phosphate group by hydrolysis; and a monomer unit having an alkyleneoxy group; and
(C) one or more compounds selected from a compound represented by the following general formula (C1), a compound represented by the following general formula (C2), a compound represented by the following general formula (C3), and a compound represented by the following general formula (C4),
wherein the dispersant composition for a hydraulic composition contains, in a solid content thereof, (A) in an amount of 1 mass % or more and 99 mass % or less; has a mass ratio between (A) and (B), (A)/(B), of 0.01 or more and 100 or less; and has a mass ratio between a total of (A) and (B), and (C), (C)/[(A)+(B)], of 0.01 or more and 10 or less,

wherein:
R 11 is a hydrocarbon group, and a compound in the form of R 11 —H has an HLB of 5.10 or less;
R 21 is a hydrocarbon group, and a compound in the form of R 21 —H has an HLB of 5.10 or less;
R 31 is a hydrocarbon group, and a compound in the form of R 31 —H has an HLB of 5.10 or less;
R 41 is a hydrocarbon group, and a compound in the form of R 41 —H has an HLB of 5.10 or less;
R 22 , R 32 and R 33 are the same or different and each represents a hydrogen atom or an alkyl group having a carbon number of 1 or more and 3 or less;
Y 1 and Y 2 are the same or different, each represents a hydrogen atom or SO 3 M, and at least one of Y 1 and Y 2 is SO 3 M;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
n1 represents an average number of AO moles added and is 0 or more and 300 or less;
n2 represents an average number of AO moles added and is 1 or more and 300 or less;
n3 and n4 are the same or different, and each represents an average number of AO moles added and is 0 or more, and a total of n3 and n4 is 1 or more and 300 or less;
n5 and n6 are the same or different; each represents an average number of AO moles added and is 0 or more; a total of n5 and n6 is 1 or more and 300 or less; when n5 is 0, Y 1 is a hydrogen atom; and when n6 is 0, Y 2 is a hydrogen atom;
X is O or COO; and
M is a counter ion.

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

3. The dispersant composition for a hydraulic composition according to claim 2 , which contains, in the solid content thereof, (D) in an amount of 0.001 mass % or more and 10 mass % or less.

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

5. A hydraulic composition comprising:
a hydraulic powder;
water;
(A) a compound having a weight average molecular weight of 1,000 or more and 200,000 or less and having a naphthalene ring-containing monomer unit;
(B) a polymer having a weight average molecular weight of 1,000 or more and 1,000,000 or less, and having: a monomer unit having a group selected from a carboxylic acid group, a phosphate group, a group that changes to a carboxylic acid group by hydrolysis, and a group that changes to a phosphate group by hydrolysis; and a monomer unit having an alkyleneoxy group; and
(C) one or more compounds selected from a compound represented by the following general formula (C1), a compound represented by the following general formula (C2), a compound represented by the following general formula (C3), and a compound represented by the following general formula (C4),
wherein the hydraulic composition contains (A) in an amount of 0.01 parts by mass or more and 2 parts by mass or less relative to 100 parts by mass of the hydraulic powder;
has a mass ratio between (A) and (B), (A)/(B), of 0.01 or more and 100 or less; and
has a mass ratio between a total of (A) and (B), and (C), (C)/[(A)+(B)], of 0.01 or more and 10 or less,

wherein:
R 11 is a hydrocarbon group, and a compound in the form of R 11 —H has an HLB of 5.10 or less;
R 21 is a hydrocarbon group, and a compound in the form of R 21 —H has an HLB of 5.10 or less;
R 31 is a hydrocarbon group, and a compound in the form of R 31 —H has an HLB of 5.10 or less;
R 41 is a hydrocarbon group, and a compound in the form of R 41 —H has an HLB of 5.10 or less;
R 22 , R 32 and R 33 are the same or different and each represents a hydrogen atom or an alkyl group having a carbon number of 1 or more and 3 or less;
Y 1 and Y 2 are the same or different, each represents a hydrogen atom or SO 3 M, and at least one of Y 1 and Y 2 is SO 3 M;
AO is an alkyleneoxy group having a carbon number of 2 or more and 4 or less;
n1 represents an average number of AO moles added and is 0 or more and 300 or less;
n2 represents an average number of AO moles added and is 1 or more and 300 or less;
n3 and n4 are the same or different, and each represents an average number of AO moles added and is 0 or more, and a total of n3 and n4 is 1 or more and 300 or less;
n5 and n6 are the same or different; each represents an average number of AO moles added and is 0 or more; a total of n5 and n6 is 1 or more and 300 or less; when n5 is 0, Y 1 is a hydrogen atom; and when n6 is 0, Y 2 is a hydrogen atom;
X is 0 or COO; and
M is a counter ion.

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

7. The hydraulic composition according to claim 6 , which contains (D) in an amount of 0.0005 parts by mass or more and 0.1 parts by mass or less relative to 100 parts by mass of the hydraulic powder.

8. The hydraulic composition according to claim 5 , wherein (A) is a formaldehyde naphthalenesulfonate condensate or a salt thereof.

9. A method for manufacturing a hydraulic composition, which comprises mixing:
a hydraulic powder;
water;
(A) a compound having a weight average molecular weight of 1,000 or more and 200,000 or less and having a naphthalene ring-containing monomer unit;
(B) a polymer having a weight average molecular weight of 1,000 or more and 1,000,000 or less, and having: a monomer unit having a group selected from a carboxylic acid group, a phosphate group, a group that changes to a carboxylic acid group by hydrolysis, and a group that changes to a phosphate group by hydrolysis; and a monomer unit having an alkyleneoxy group; and
(C) one or more compounds selected from a compound represented by the following general formula (C1), a compound represented by the following general formula (C2), a compound represented by the following general formula (C3), and a compound represented by the following general formula (C4),
wherein the method includes mixing (A) in an amount of 0.01 parts by mass or more and 2 parts by mass or less relative to 100 parts by mass of the hydraulic powder;
mixing (A) and (B) in a mass ratio (A)/(B) of 0.01 or more and 100 or le

Assignees

• Kao Corp

Inventors

• Tanaka Shunya
• Shimoda Masaaki
• Saida Kazuya

Classifications

• C04B24/122

  Hydroxy amines · CPC title

• C04B24/26

  obtained by reactions only involving carbon-to-carbon unsaturated bonds {(C04B24/243 takes precedence)} · CPC title

• C04B24/226 Primary

  Sulfonated naphtalene-formaldehyde condensation products · 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

• C08L55/00

  Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00 · CPC title