Functionalized Polyacrylate Polymer Compositions

Patent metadata

Field	Value
Publication number	US-2021292552-A1
Application number	US-201716335488-A
Country	US
Kind code	A1
Filing date	Oct 27, 2017
Priority date	Dec 1, 2016
Publication date	Sep 23, 2021
Grant date	—

Abstract

Functionalized polyacrylate polymer compositions for treating clay or clay bearing aggregates compositions are disclosed. Also disclosed are methods for preparing the functionalized polyacrylate polymer compositions, admixtures containing such polymers and methods for the mitigation of clays in cementitious and aggregate compositions using these polymers.

First claim

1 . A functionalized polyacrylate polymer composition for treating clay or clay bearing aggregate compositions, wherein the functionalized polyacrylate polymer composition comprises:
A) a first component represented by the following structure:

wherein M is H, an alkali metal or an organic radical;
B) a second component represented by the following structure:

wherein R 1 is H or CH 3 ;
R 2 is H or a C 1 -C 4 alkyl;
X is O or NH; and
Y is represented by the following structure:

wherein R 3 is independently H or CH 3 in each Y structure of (Y) n ; and
n is 35 to 200; and
wherein R 3 is H in at least 70% of the individual Y structures of (Y) n ; and

wherein the acid value of the functionalized polyacrylate polymer composition is in the range of from about 25 to about 50 mg KOH/g; and
wherein the average molecular weight of the functionalized polyacrylate polymer composition is in the range of from about 20,000 g/mol to about 100,000 g/mol.

2 . The functionalized polyacrylate polymer composition according to claim 1 , further comprising a third component selected from the group consisting of: an acrylamide, N-alkyl acrylamide, N,N-dialkyl acrylamide, 3-acrylamido-2-methylpropane sulfonic acid, a salt of 3-acrylamido-2-methylpropane sulfonic acid, styrene sulfonic acid, a salt of styrene sulfonic acid and combinations thereof.

3 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the acid value of the functionalized polyacrylate polymer composition is in the range of from about 30 to about 45 mg KOH/g.

4 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the molar ratio of the first component to the second component is in the range of from about 1:2 to about 2:1.

5 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the molar ratio of the first component to the second component is in the range of from about 5:9 to about 5:4.

6 . The functionalized polyacrylate polymer composition according to claim 1 , wherein R 3 is H in at least 85% of the individual Y structures of (Y) n .

7 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the first component has an average molecular weight in the range of from about 4,000 g/mol to about 20,000 g/mol.

8 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the second component has an average molecular weight in the range of from about 1,800 g/mol to about 6,000 g/mol.

9 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the organic radical in the first component is selected from the group consisting of: a substituted primary amine, a substituted secondary amine, a substituted tertiary amine, a substituted quaternary amine, a halide-free quaternary amine and combinations thereof.

10 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the organic radical in the first component is selected from the group consisting of: a C 1-20 alkyl amine, a C 1-20 alkalonamine, a C 5-8 cycloalkylamine, a C 8-14 arylamine, an ethyleneamine, an ethyleneamine alkoxylate, a polyethyleneamine and combinations thereof.

11 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the organic radical in the first component is selected from the group consisting of: a methylamine, a dimethylamine, a trimethylamine, a monoethanolamine, a diethanolamine, a triethanolamine, a methyl diethanolamine, a triisopropanolamine, a diisopropanolamine, a methyl isopropanolamine, a methyldiisopropanolamine, an ethyl isopropanolamine, an ethyl diisopropanolamine, a cyclohexylamine, a dicyclohexylamine, a phenylamine, a diphenylamine and combinations thereof.

12 . The functionalized polyacrylate polymer composition according to claim 1 , wherein the organic radical in the first component is selected from the group consisting of: a tetramethylammonium, a tetraethylammonium, a tetrapropylammonium, a tetra-n-butylammonium, an ethyltrimethylammonium, a propyltrimethylammonium, a cetyltrimethylammonium, a tetradecyltrimethylammonium, 1,6-hexamethylene bis(trimethylammonium), decamethylene-bis-(trimethylammonium), (2-hydroxyethyl)trimethylammonium, (2-hydroxyethyl)triethylammonium, (2-hydroxyethyl)tripropylammonium, (2-hydroxyethyl)tri-n-butylammonium, (2-hydroxyethyl)methyl diethylammonium, (2-hydroxypropyl)trimethylammonium, (2-hydroxypropyl)triethylammonium, (3-hydroxypropyl)trimethylammonium, (3-hydroxypropyl)triethylammonium, (4-hydroxybutyl)trimethylammonium, (4-hydroxybutyl)triethylammonium, diallyl dimethylammonium, bis(2-hydroxyethyl)dimethylammonium, bis(2-hydroxyethyl)diethylammonium, bis(2-hydroxypropyl)dimethylammonium, bis(2-hydroxypropyl)diethylammonium, tris(2-hydroxyethyl)methylammonium, tris(2-hydroxyethyl)ethylammonium, tris(2-hydroxypropyl)methylammonium, tris(2-hydroxpropyl)ethylammonium, tris(2-hydroxyethyl)octadecylammonium, tetrakis(hydroxymethyl)ammonium, tetrakis(methoxymethyl)ammonium, tetrakis(2-hydroxyethyl)ammonium, tetrakis(2-hydroxypropyl)ammonium, N,N,N-trimethylethanolammonium and combinations thereof.

13 . An admixture composition for modifying a cementitious composition, the admixture composition comprising:
(i) a functionalized polyacrylate polymer composition comprising: A) a first component represented by the following structure:

wherein M is H, an alkali metal or an organic radical;
B) a second component represented by the following structure:

wherein R 1 is H or CH 3 ;
R 2 is H or a C 1 -C 4 alkyl;
X is O or NH; and
Y is represented by the following structure:

wherein R 3 is independently H or CH 3 in each Y structure of (Y) n ; and
n is 35 to 200; and
wherein R 3 is H in at least 70% of the individual Y structures of (Y) n ; and

wherein the acid value of the functionalized polyacrylate polymer composition is in a range of from about 25 to about 50 mg KOH/g;
wherein the average molecular weight of the functionalized polyacrylate polymer composition is in the range of from about 20,000 g/mol to about 100,000 g/mol; and
(ii) at least one admixture additive selected from the group consisting of: a binder, water, a dispersant, a water reducing agent, a plasticizer, a superplasticizer, a set retarder, a set accelerator, a defoamer, an air entraining agent, a shrinkage-reducing agent, a crack control agent, a strength enhancing agent, a fiber and combinations thereof.

14 . A method for preparing a functionalized polyacrylate polymer composition comprising polymerizing:
A) a first component represented by the following structure:

wherein M is H, an alkali metal or an organic radical; with
B) a second component represented by the following structure:

Assignees

• Huntsman Int Llc

Inventors

• Wibowo Antonius
• Wambacq Ben
• Fang Xiaohua
• Zhao Haibo

Classifications

• C08G81/025 Primary

  containing polyether sequences · CPC title

• C04B28/00

  Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements · CPC title

• C04B24/2652

  Nitrogen containing polymers, e.g. polyacrylamides, polyacrylonitriles · CPC title

• C04B24/26

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

• C04B24/163

  obtained by reactions only involving carbon-to-carbon unsaturated bonds · CPC title