Abstract: Compounds for inhibiting corrosion are provided that include a pyridinium substituent and a hydroxy substituent. Also provided are methods of making the compounds. Also provided are corrosion inhibitor formulations including the compounds. Also provided are processes for inhibiting corrosion of a metallic surface using the corrosion inhibitor formulations.

Abstract: According to embodiments disclosed herein, a corrosion-resistant substrate may comprise a substrate comprising a first surface and a corrosion-resistant film positioned on at least a portion of the first surface of the substrate. A method of producing a corrosion-resistant substrate may comprise contacting at least a portion of a first surface of a substrate with a corrosion inhibitor solution and drying the corrosion inhibitor solution to produce the corrosion-resistant film on the substrate, wherein at least a portion of the solvent may be expelled from the corrosion inhibitor solution during the drying to form the corrosion-resistant film, such that the corrosion-resistant film is solid. The corrosion inhibitor solution and the corrosion-resistant film may comprise a bis-quaternized ammonium compound.

Abstract: Gas hydrate inhibiting compositions include random polymers prepared from polyacrylates. The random polymers include at least one acrylate ester monomer in combination with at least one amine functional monomer. Methods for synthesizing the gas hydrate inhibiting polymers include polymerization of an acrylate then post-modifying a polyacrylate with an amine from at least one amine compound. Methods for inhibiting formation of clathrate hydrates in a natural gas pipeline include adding the gas hydrate inhibiting polymers to a natural gas pipeline.

Abstract: Compounds for inhibiting corrosion are provided that include a pyridinium substituent and a hydroxy substituent. Also provided are methods of making the compounds. Also provided are corrosion inhibitor formulations including the compounds. Also provided are processes for inhibiting corrosion of a metallic surface using the corrosion inhibitor formulations.

Abstract: A corrosion inhibiting polymer is provided.

Abstract: A corrosion inhibiting polymer is provided.

Abstract: In accordance with one or more embodiments of the present disclosure, a process for preventing corrosion of a metallic surface of a pipeline includes contacting the metallic surface with a corrosion inhibitor. The corrosion inhibitor comprises a polymer of formula R—O—(POL)-Z. R is a straight or branched alkyl or aryl; POL is a polyglycerol based polymer; Z is a non-ionic amine, a cyclic amine having 5 to 8 atoms, a diamine, a triamine, a tetra-amine, a polymeric amine, a thiol, a disulfide, or —NH—R1—SH; and R1 is a hydrocarbyl. The corrosion inhibitor is also disclosed.

Abstract: Embodiments of the present disclosure are directed to a method of making a reaction inhibiting polymer having a formula of M—CO—NR. The method may comprise reacting PAA with an organic coupling reagent and at least one alicyclic amine to produce the reaction inhibiting polymer. In accordance with another embodiment of the present disclosure, a method of making an acryloyl monomer having a formula of Ra—CO—NR may comprise reacting an acrylic acid with an organic coupling reagent and an alicyclic amine to form the acryloyl monomer. Ra may be an alkylene moiety, M may be a poly(acrylic) acid backbone. NR may be an alicyclic amine moiety coupled to the polymer backbone or coupled to the alkylene moiety.

Abstract: Embodiments of the present disclosure are directed to a method of making a reaction inhibiting polymer having a formula of M—CO—NR. The method may comprise reacting PAA with an organic coupling reagent and at least one alicyclic amine to produce the reaction inhibiting polymer. In accordance with another embodiment of the present disclosure, a method of making an acryloyl monomer having a formula of Ra—CO—NR may comprise reacting an acrylic acid with an organic coupling reagent and an alicyclic amine to form the acryloyl monomer. Ra may be an alkylene moiety, M may be a poly(acrylic) acid backbone. NR may be an alicyclic amine moiety coupled to the polymer backbone or coupled to the alkylene moiety.

Abstract: In accordance with one or more embodiments of the present disclosure, a process for preventing corrosion of a metallic surface of a pipeline includes contacting the metallic surface with a corrosion inhibitor. The corrosion inhibitor comprises a polymer of formula R—O—(POL)—Z. R is a straight or branched alkyl or aryl; POL is a polyglycerol based polymer; Z is a non-ionic amine, a cyclic amine having 5 to 8 atoms, a diamine, a triamine, a tetra-amine, a polymeric amine, a thiol, a disulfide, or —NH—R1—SH; and R1 is a hydrocarbyl. The corrosion inhibitor is also disclosed.

Abstract: Copolymers having General Formula (I): in which R1 is chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4-C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.

Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).

Abstract: A corrosion inhibiting polymer is provided. The corrosion inhibiting polymer has a general formula of.

Abstract: Copolymers having General Formula (I): in which R1 is chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4-C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.

Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combination thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).

Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combination thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).

Abstract: Copolymers having General Formula (I): in which R1, R2, and R3 are chosen from C1 to C30 aliphatic groups, R4 is chosen from divalent C4 to C7 linear aliphatic groups and divalent C4 to C7 linear heteroaliphatic groups, optionally substituted with one or more C1-C6 linear aliphatic groups, C1-C6 branched aliphatic groups, or combination thereof, R5, R6, and R7 are each independently chosen from methyl or hydrogen, x is chosen from 0 to 0.8, y is chosen from 0 to 0.8, when y is 0, x is greater than 0, and when x is 0, y is greater than 0, and z is chosen from 0.1 to 0.9. The summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates, including contacting the fluid with at least one copolymer of General Formula (I).

Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combination thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).

Abstract: Copolymers having General Formula (I): in which R1 is chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4-C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.

Abstract: Methods for synthesizing acryloyl-based copolymers. The methods include providing a free radical initiator with a solution including monomeric repeating units, a chain transfer agent, and an organic solvent to form a reaction mixture, in which the monomeric repeating units include a first monomeric repeating unit having formula (1a), a second monomeric repeating unit having formula (1b) or (1d), and optionally a third monomeric repeating unit having formula (1c): in which the organic solvent is chosen from monoethylene glycol, ethanol, toluene, or combination thereof; and (B) initiating a polymerization reaction in the reaction mixture to polymerize the monomeric repeating units, thereby synthesizing the acryloyl-based copolymer. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with the acryloyl-based copolymer synthesized in the reaction mixture.