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US 12,617,724 B2Granted
Hydraulic binder composition comprising blast furnace slag
AssigneeStarcin Holding France
InventorsPascal Boustingorry, Laurent Bonafous
Life of this patent
Estimating the term…
Abstract
A hydraulic binder composition comprising: a hydraulic binder including at least one alumino-silicate compound, for example blast furnace slag, and an alkaline or sulfate activator and a maximum of 10 wt % of clinker, preferably between 0 and 10 wt % of clinker; a guanidine salt and/or a zinc salt; and a polymer.
Claims20
A hydraulic binder composition comprising:
- a hydraulic binder comprising at least one alumino-silicate compound, and an alkaline or sulphate activator and a maximum of 10% by weight of clinker, and optionally an activator;
- a guanidine salt and/or a zinc salt;
- a polymer (P) comprising units having the following formulae (I) and (II):
- in which:
- R1 and R2 independently represent a hydrogen or a methyl;
- R3 represents a hydrogen or a group having the formula —COO(M)1/m;
- R4 represents a group having the formula —(CH2)p—(OAlk)q-R5 in which:
- p represents 1 or 2;
- q represents an integer from 3 to 300;
- the Alk of each OAlk unit of the group —(OAIk)q- independently represents a linear or branched alkylene containing from 2 to 4 carbon atoms;
- R5 represents —OH or a linear or branched alkoxyl containing from 1 to 4 carbon atoms;
- R11 and R12 independently represent a hydrogen or a methyl;
- R13 represents a hydrogen or a group having the formula —COO(M)1/m;
- M represents H or a cation of valency m;
- when M represents H, m represents 1, and when M represents a cation, m is the valency of the cation M;
- a is a number from 0.05 to 0.25, such that (100×a) represents the molar percentage of units having the formula (I) within the polymer;
- and
- b is a number from 0.75 to 0.95, such that (100×b) represents the molar percentage of units having the formula (II) within the polymer.
15 more elements
A hydraulic composition comprising:
- a hydraulic binder that comprises at least one alumino-silicate compound, and an alkaline or sulphate activator, and a maximum of 10% by weight of clinker, and optionally mineral additives;
- water;
- optionally at least one aggregate;
- a guanidine salt and/or a zinc salt;
- and
- a polymer (P) comprising units having the following formulae (I) and (II):
- in which:
- R1 and R2 independently represent a hydrogen or a methyl;
- R3 represents a hydrogen or a group having the formula —COO(M)1/m;
- R4 represents a group having the formula —(CH2)p—(OAlk)q-R5 in which:
- p represents 1 or 2;
- q represents an integer from 3 to 300;
- the Alk of each OAlk unit of the group —(OAIk)q- independently represents a linear or branched alkylene containing from 2 to 4 carbon atoms;
- R5 represents —OH or a linear or branched alkoxyl containing from 1 to 4 carbon atoms;
- R11 and R12 independently represent a hydrogen or a methyl;
- R13 represents a hydrogen or a group having the formula —COO(M)1/m;
- M represents H or a cation of valency m;
- when M represents H, m represents 1, and when M represents a cation, m is the valency of the cation M;
- a is a number from 0.05 to 0.25, such that (100×a) represents the molar percentage of units having the formula (I) within the polymer;
- and
- b is a number from 0.75 to 0.95, such that (100×b) represents the molar percentage of units having the formula (II) within the polymer.
18 more elements
A process for enhancing the retention of fluidity over time of a hydraulic composition comprising a hydraulic binder that comprises at least one alumino-silicate compound, and an alkaline or sulphate activator, and a maximum of 10% by weight of clinker, water, and optionally at least one aggregate;
- including the adding of a guanidine salt and/or a zinc salt, and a polymer (P) comprising units having the following formulae (I) and (II):
- in which:
- R1 and R2 independently represent a hydrogen or a methyl;
- R3 represents a hydrogen or a group having the formula —COO(M)1/m;
- R4 represents a group having the formula —(CH2)p—(OAlk)q-R5 in which:
- p represents 1 or 2;
- q represents an integer from 3 to 300;
- the Alk of each OAlk unit of the group —(OAIk)q- independently represents a linear or branched alkylene containing from 2 to 4 carbon atoms;
- R5 represents —OH or a linear or branched alkoxyl containing from 1 to 4 carbon atoms;
- R11 and R12 independently represent a hydrogen or a methyl;
- R13 represents a hydrogen or a group having the formula —COO(M)1/m;
- M represents H or a cation of valency m;
- when M represents H, m represents 1, and when M represents a cation, m is the valency of the cation M;
- a is a number from 0.05 to 0.25, such that (100×a) represents the molar percentage of units having the formula (I) within the polymer;
- and
- b is a number from 0.75 to 0.95, such that (100×b) represents the molar percentage of units having the formula (II) within the polymer.
13 more elements
An admixture composition comprising:
- a guanidine salt and/or a zinc salt;
- a polymer comprising units having the following formulae (I) and (II):
- in which:
- R1 and R2 independently represent a hydrogen or a methyl;
- R3 represents a hydrogen or a group having the formula —COO(M)1/m;
- R4 represents a group having the formula —(CH2)p—(OAlk)q-R5 in which:
- p represents 1 or 2;
- q represents an integer from 3 to 300;
- the Alk of each OAlk unit of the group —(OAIk)q- independently represents a linear or branched alkylene containing from 2 to 4 carbon atoms;
- R5 represents —OH or a linear or branched alkoxyl containing from 1 to 4 carbon atoms;
- R11 and R12 independently represent a hydrogen or a methyl;
- R13 represents a hydrogen or a group having the formula —COO(M)1/m;
- M represents H or a cation of valency m;
- when M represents H, m represents 1, and when M represents a cation, m is the valency of the cation M;
- a is a number from 0.05 to 0.25, such that (100×a) represents the molar percentage of units having the formula (I) within the polymer;
- and
- b is a number from 0.75 to 0.95, such that (100×b) represents the molar percentage of units having the formula (II) within the polymer.
14 more elements
Dependencies are inferred from the claim text.