BR112019010240A2 - low odor aqueous coating composition, and method for producing a low odor water based road marking paint. - Google Patents

Abstract

A low odor aqueous coating composition is described. The composition is a water-based latex coating composition comprising a binder component with at least one copolymer and a neutralizing component. The composition dries in less than about 10 minutes at a temperature between about 5 and 35 ° C and a relative humidity between about 30 and 95%, with a pH of 9.5 or less. The coating composition can be used for applications such as road marking and exterior surface coating where the use of a low odor coating is desired.

Description

COMPOSITION OF WATER COATING WITH LOW ODOR, AND, METHOD TO PRODUCE A LOW ODOR WATER BASED ROAD DEMARCATION

REFERENCE TO RELATED REQUESTS [001] This application is being filed on November 22,

2017, as an international PCT patent application, and claims priority over US Provisional Patent Application No. 62 / 425,385, filed on November 22, 2016, the disclosure of which is incorporated herein by reference in its entirety.

BACKGROUND OF THE INVENTION [002] Conventionally, road or traffic marking paints are solvent-based coating compositions that provide durable, rigid and smudge-resistant coatings capable of withstanding wear and damage from regular traffic and various weather conditions. . These compositions are designed to dry as quickly as possible under ambient conditions of temperature and relative humidity, in order to allow continuity of normal road traffic with minimal disruption. [003] These compositions dry quickly by evaporating the solvent from the paint film.

[004] Due to growing environmental and regulatory concerns, water-based compositions are now used in a variety of applications because of their low toxicity and their low content of Volatile Organic Compound (VOC).

[005] These compositions are the preferred coatings for many substrates, such as concrete, asphalt, stone, masonry and other architectural surfaces.

[006] When water-based compositions are used in road or traffic demarcations, the drying time of the paint tends to be slow, due to the high heat of water vaporization compared to

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2/28 organic solvents. Previous efforts to produce fast-drying water-based compositions have been successful, but these compositions often include volatile compounds, such as ammonia, and produce a strong, undesirable odor. The strong odor, combined with a desire to reduce emissions, has limited the use of water-based technologies in several areas, including paints for road or traffic demarcation.

[007] Consequently, there is a need for aqueous or water-based coating compositions that have ideal performance characteristics in terms of drying time, durability, abrasion and the like, but do not demonstrate a strong and undesirable ammonia odor.

BRIEF DESCRIPTION OF THE DRAWINGS [008] Figure 1 is a graphic illustration of touch drying times.

[009] Figure 2A is a graphic illustration of the chemical resistance of the coating composition.

[0010] Figure 2B is a graphical illustration of the total drying results of the coating composition.

[0011] Figure 2C is a graphic illustration of the water absorbance of the coating composition.

[0012] Figure 2D is a graphic illustration of the recovery after immersion in water of the coating composition.

[0013] Figure 2E is a graphic illustration of the abrasion results of the coating composition.

[0014] Figure 3A is a graphic illustration of the abrasion results of the coating composition.

[0015] Figure 3B is a graphic illustration of the chemical resistance of the coating composition.

[0016] Figure 3C is a graphical illustration of the total drying results of the coating composition.

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3/28 [0017] Figure 3D is a graphic illustration of the water absorption of the coating composition.

[0018] Figure 3E is a graphic illustration of the recovery of the coating composition.

[0019] Figure 4A is a graphic illustration of the abrasion results of the coating composition.

[0020] Figure 4B is a graphical illustration of the total drying results of the coating composition.

[0021] Figure 4C is a graphic illustration of the water absorption of the coating composition.

[0022] Figure 4D is a graphic illustration of recovery after immersion in water in the coating composition.

SUMMARY [0023] This description provides a fast-drying, water-based and low-odor coating composition. The composition described here is particularly advantageous when used as a road marking paint, as the paint has a low odor compared to conventional road marking paints. The coating composition dries quickly at room temperature, without the application of heat or other drying means.

[0024] In one embodiment, the present description provides an aqueous coating composition with low odor. The composition includes a binder component that has at least one copolymer and a neutralizing component. The composition dries in less than about 10 minutes at a temperature between about 5 and 35 ° C and a relative humidity between about 30 and 95%.

[0025] In another embodiment, the present description presents a method for producing an aqueous coating composition with low odor. The method includes providing a first resin component. THE

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The first resin component includes a latex polymer derived from one or more ethylenically unsaturated monomers. A second resin component is provided, which includes a low molecular weight polyamino-functional polymer. The first and second resin components are combined to form a blend of copolymers. A neutralizing component is provided and added to the copolymer blend.

[0026] The aforementioned summary of the present invention is not intended to describe each of the presented modalities or all implementations of the present invention. The following description exemplifies, more particularly, the illustrative modalities. At various points throughout this application, guidance is provided through lists of examples, which can be used in various combinations. In each case, the list mentioned serves only as a representative group and should not be interpreted as an exclusive list.

[0027] Details of one or more embodiments of the invention are presented in the attached drawings and in the description below. Other objectives, characteristics and advantages of the invention will be evident from the description and the drawings, as well as from the claims.

Selected definitions [0028] Except where otherwise specified, the following terms as used here have the meanings as provided below.

[0029] The term component refers to any compound that includes a specific characteristic or structure. Examples of components include compounds, monomers, oligomers, polymers and organic groups contained therein.

[0030] The term substantially free of a specific compound means that the compositions described herein contain less than 0.5%, by weight, of the compound.

[0031] The term essentially exempt from a specific compound

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5/28 means that the compositions of the present invention contain less than about 0.1% of the compound.

[0032] As used here, the term organic group means a hydrocarbon group (with optional elements in addition to carbon and hydrogen, such as oxygen, nitrogen, sulfur and silicon) that is classified as an aliphatic group, a cyclic group, or a combination of aliphatic and cyclic groups (for example, alkaryl and aralkyl groups). The term aliphatic group means a saturated or unsaturated, linear or branched hydrocarbon group. This term is used to cover alkyl, alkenyl and alkynyl groups, for example. The term alkyl group means a saturated, linear or branched hydrocarbon group, which includes, for example, methyl, ethyl, isopropyl, t-butyl, heptyla, dodecyl, octadecyl, amyl, 2-ethyl hexyl and the like. The term alkenyl group means an unsaturated, linear or branched hydrocarbon group, with one or more carbon-carbon double bonds, such as a vinyl group. The term alkynyl group means an unsaturated, linear or branched hydrocarbon group with one or more carbon-carbon triple bonds. The term cyclic group means a closed ring hydrocarbon group that is classified as an alicyclic group or an aromatic group, both of which may include heteroatoms.

[0033] The term alicyclic group means a cyclic hydrocarbon group with properties similar to those of aliphatic groups. The term Ar refers to a divalent aryl group (i.e., an arylene group), which refers to a closed aromatic ring or ring system, such as phenylene, naphthylene, biphenylene, fluorenylene and indenyl, as well as heteroarylene groups (ie that is, a closed ring hydrocarbon in which one or more of the atoms in the ring is an element other than carbon (for example, nitrogen, oxygen, sulfur, etc.). Suitable heteroaryl groups include furyl, thienyl, pyridyl, quinolinyl, isoquinolinyl, indolyl, isoindolyl, triazolyl,

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6/28 pyrrolyl, tetrazolyl, imidazolyl, pyrazolyl, oxazolyl, thiazolyl, benzofuranyl, benzothiophenyl, carbazolyl, benzoxazolyl, pyrimidinyl, benzimidazolyl, quinoxalinyl, benzothiazolyl, naphthyridinyl, pyridine, isotazol, isoxazol , tetrazinyl, oxadiazolyl, thiadiazolyl and so on.

[0034] When these groups are divalent, they are typically called heteroarylene groups (eg, furylene, pyridylene etc.).

[0035] A group that can be the same or different is said to be something independently. Substitution in the organic groups of the compounds of the present invention is envisaged. As a way of simplifying the discussion and mention of certain terminology used throughout this application, the terms group and portion are used to distinguish between the chemical species that allow substitution or that can be substituted and those that do not allow or cannot be substituted. replaced. Thus, when the term group is used to describe a chemical substituent, the chemical material described includes the unsubstituted group and that group with atoms of O, N, Si or S, for example, in the chain (as in an alkoxy group) , as well as carbonyl groups or other conventional substitution. When the term portion is used to describe a chemical or substituent, only an unsubstituted chemical material is intended to be included. For example, the phrase alkyl group is intended to include not only pure open chain saturated hydrocarbon alkyl substituents, such as methyl, ethyl, propyl, t-butyl and the like, but also alkyl substituents containing additional substituents known in the art, such as hydroxy , alkoxy, alkylsulfonyl, halogen atoms, cyano, nitro, amino, carboxyl, etc. Thus, an alkyl group includes ether, haloalkyl, nitroalkyl, carboxyalkyl, hydroxyalkyl, sulfoalkyl, etc. groups. On the other hand, the phrase alkyl portion is limited to the inclusion only of pure open chain saturated hydrocarbon alkyl substituents, such as methyl, ethyl, propyl, t-butyl and

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7/28 similar.

[0036] Except where otherwise noted, a reference to a (meth) acrylate compound (where met is indicated in parentheses) is intended to include both acrylate compounds and methacrylate compounds.

[0037] The term polycarboxylic acid includes both polycarboxylic acids and their anhydrides.

[0038] The term acrylic means that one or more (meth) acrylic and / or (meth) acrylate monomers are present.

[0039] The term latex paint, as used here, refers to a water-based paint that has a wide viscosity range, from a fine liquid to a semi-solid paste. The paint consists of a resin or polymeric binder dispersed in an aqueous vehicle and a dispersion of one or more pigments, dyes, dyeing agents and / or metallic effect agents, in addition to various additives commonly used in paints and coating compositions such as , for example, loads and extenders. The terms latex, water-based paints and emulsion paint are used interchangeably here.

[0040] The term volatile organic compound (VOC), as defined by the Environmental Protection Agency (EPA, or Environmental Protection Agency) in standard 40 C.F.R. 51,100 (s), refers to any carbon compound, except carbon monoxide, carbon dioxide, carbonic acid, metal carbides or carbonates and ammonium carbonate, that participate in atmospheric photochemical reactions. Typically, volatile organic compounds have a vapor pressure equal to or greater than 0.1 mm Hg. As used here, the content of volatile organic compounds (VOC content) is as measured by the method of the ASTM D6886 standard (Standard method for determination of the weight percent of individual volatile organic compounds in waterborne air-dry coatings by gas chromatography (standard method to determine the percentage, in

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8/28 weight, of individual volatile organic compounds in water-based coatings with air drying, by means of gas chromatography)) with the use of methyl palmitate as the boiling point marker. The weight of VOC by volume of the coating solids is expressed, for example, in grams of VOC per liter (g / L).

[0041] As used here, the term low VOC means that the compositions described here have less than about 30 g / L VOC. Except where otherwise noted, the terms low VOC and substantially VOC free are used interchangeably here.

[0042] The term paint or coating refers to a film applied in the form of a thin layer to a substrate. The film can be transparent or contain pigment, dye, dye, toning agent or metallic effect agent. The ink can be opaque or transparent. The terms paint and coating are used interchangeably here.

[0043] As used here, the term low odor refers to an ink or coating that has a low VOC content and does not emit an odor conventionally perceived as strong and / or undesirable. For example, a low odor paint or coating, as described here, will not give off a strong ammonia odor.

[0044] Unless otherwise stated, the term polymer includes both homopolymers and copolymers (i.e., polymers with two or more different monomers).

[0045] The term comprises and its variations do not have a limiting meaning when these terms appear in the description and in the claims.

[0046] The terms preferential and preferably refer to modalities of the invention that can provide certain benefits, under certain circumstances. However, other modalities may also be preferred under the same or different circumstances. In addition, the mention of

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9/28 one or more preferred modalities does not imply that other modalities are not useful, and is not intended to exclude other modalities from the scope of the invention.

[0047] As used here, one, one, o, a, at least one, at least one, one or more, and one or more are used interchangeably. In this way, for example, a coating composition comprising an additive can be interpreted as meaning that the coating composition includes one or more additives.

[0048] Also in this document, the mention of numerical ranges by their extreme points includes all numbers contained in that range (for example, from 1 to 5 includes 1, 1.5, 2, 2.75, 3, 3.80, 4, 5, etc.).

[0049] In addition, the disclosure of a range includes the disclosure of all sub-ranges included in the broader range (for example, 1 to 5 reveals from 1 to 4, from 1.5 to 4.5, from 1 to 2 , etc.).

DETAILED DESCRIPTION [0050] The present description provides a fast drying, water based and low odor coating composition. The composition described here is particularly advantageous when used as a road marking paint, as the paint has a low odor compared to conventional road marking paints. The composition described herein is particularly advantageous when used as a paint for surfaces, such as roofs, as the paint has a low odor over conventional commercially available exterior paints. The coating composition dries quickly at room temperature, without the application of heat or other drying means.

[0051] The present description includes a coating composition. In a particularly preferred embodiment, the present invention relates to a water-based composition with a low odor, which includes a binder component and a neutralizing component. The composition of

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10/28 coating described here can be used in one or more methods where the use of a fast drying paint or sealant is required. In particular, the coating composition described herein can be used as a road marking paint that dries in less than about 10 minutes at temperatures between about 5 ° C and 35 ° C, and a relative humidity of 30 to 95%. In other related embodiments, the coating composition described here can be used as an exterior surface paint, which dries in less than about 10 minutes at temperatures between about 5 ° C and 35 ° C and with a relative humidity of 30 to 95 %.

[0052] In one embodiment, the present description provides a coating composition that includes a binder component that preferably includes a latex or alkyd and, most preferably, includes a latex. In one aspect, the binder component is a copolymer or blend of copolymers including one or more ethylenically unsaturated monomers. In one aspect, the copolymer has a Tg of -20 to 60 ° C, more preferably of -10 to 50 ° C and, most preferably, of 0 to 40 ° C, which is calculated using the Fox equation .

[0053] The copolymer described herein can be produced by any conventional method known to those skilled in the art including, for example, emulsion polymerization, solution polymerization, suspension polymerization, dispersion polymerization, mass polymerization and the like. In a preferred aspect, the copolymer described herein is an aqueous emulsion, or latex, produced by an emulsion polymerization process.

[0054] In one embodiment, the binder component described here has low viscosity, preferably less than 700 mPa.s, more preferably less than 600 mPa.s and, most preferably, less than 500 mPa.s.

[0055] In one embodiment, the binder component described here

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11/28 has a solids content of at least about 40%, preferably from 40 to 75% and more preferably from 45 to 60%. In a preferred aspect, the solids content of the binder component is about 50%.

[0056] In one embodiment, the binder component described here has a minimum film forming temperature (MFFT - Minimum Film Forming Temperature), preferably from about 0 to about 55 ° C and, more preferably, from about 0 at 20 ° C.

[0057] In some embodiments, the binder component includes a first resin component and a second resin component. The first and second components can be polymerized separately, and mixed together after polymerization to form a blend of copolymers, or the first and second components can be formed by emulsion polymerization, where the first and second components together form a blend of copolymers.

[0058] Although the first and second resin components are typically present in the form of separate components in the blend (for example, components that are not covalently attached to each other), it is contemplated that at least some (or even all) ) between the first and the second resin components may be present in a copolymer that includes one or more portions formed from the first resin component and one or more portions formed from the second resin component.

[0059] In one embodiment, the first component includes an acrylic polymer component derived from one or more ethylenically unsaturated monomers. Examples of such monomers include, without limitation, acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, 2-ethylhexyl methacrylate, ethyl hydroxyl acrylate, methacrylate

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12/28 ethyl hydroxy, butyl hydroxy acrylate, butyl hydroxy methacrylate, glycidyl methacrylate, 4-hydroxy butyl acrylate glycidyl ether, 2- (acetoacetoxy) ethyl methacrylate (AAEM), acrylamide diacetone (DA AM), acrylamide , methacrylamide, methylol (meth) acrylamide, styrene, alpha-methyl styrene, vinyl toluene, vinyl acetate, vinyl propionate, allyl methacrylate and mixtures thereof. Preferred monomers include styrene, methyl methacrylate, methacrylic acid, AAEM, DAAM, butyl acrylate and the like.

[0060] In one embodiment, the first component includes a component of the (meth) acrylic polymer derived from one or more polyfunctional acrylates. Suitable polyfunctional acrylates include, for example, di, tri and tetra-functional acrylates, such as dipropylene glycol diacrylate (DPGDA), propoxylated glyceryl triacrylate (GPTA), pentaerythritol tetraacrylate, dipentaerythritol tetraacrylate, mixtures thereof and the like. Preferred polyfunctional acrylate monomers include pentaerythritol tetraacrylate, dipentaerythritol tetraacrylate and the like.

[0061] In a preferred embodiment, the first component is an emulsion polymerized latex copolymer, more preferably a latex copolymer that has anionic groups (for example, acid-neutralized base groups) or cationic groups (for example, neutralized groups) with acid).

[0062] In one embodiment, the second component includes a polyamine component. The polyamine can be a non-polymer, an oligomer or a polymeric component. In a preferred aspect, the polyamine component has at least one amino group, preferably 1 to 5 amino groups and, more preferably, 2 to 4 amino groups. In one aspect, the polyamine component is soluble in water and can be applied as a solution or as part of a latex coating composition. The polyamine component is present in an amount of steel

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13/28 minus about 0.1 weight percent, preferably 0.1 to 2 weight percent, more preferably 0.2 to 1 weight percent, based on the total weight of the composition of coating.

[0063] Suitable polyamine components can be derived from one or more amino-functional compounds including amino-terminated aliphatic or cycloaliphatic hydrocarbons, polyimines, polyethers, polyamides, polyquaternary ammonium salts, compounds derived from epichlorohydrin, polyesters, polycarbonates, polycaprolactones and the like, as well as combinations and mixtures thereof. Preferred polyamine components include polyimines, such as polyethylene imine, polypropylene imine and mixtures and combinations thereof.

[0064] In formula (I), having the formula X (acid) P (spacer) A (amine), where X is a divalent organic group, preferably having from 2 to 20 carbon atoms, more preferably from 3 to 5 carbon atoms. In one aspect, X is a divalent organic group of the formula C1 to C10 alkyl, C2 to C10 alkylene, or C3 to C10 cycloalkyl. In a preferred aspect, X is a divalent Organic group of Formula - (CH2) _m -, where m is preferably an integer from 0 to 10, more preferably from 1 to 8.

[0065] In certain preferred embodiments, the polyamine component is derived from ingredients including one or more ethylenically unsaturated monomers having an amine group. Acrylated amines are examples of these monomers, with acrylated tertiary amines being preferred among these compounds. Specific examples of such preferred monomers include 2- (dimethylamino) ethyl methacrylate, 2- (dimethylamino) ethyl acrylate, 2- (diethylamino) ethyl methacrylate, ethyl 2- (diethylamino) acrylate, vinyl pyridine and tertiary amino butyl methacrylate , as well as mixtures thereof.

[0066] Suitable polyamine components useful in the coating composition described herein preferably have a molecular weight of at least

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14/28 minus 150, more preferably at least about 400, and most preferably at least about 700. Suitable polyamine components have a molecular weight of no more than about 200,000, more preferably no more than about of 100,000 and, more preferably, no more than about 50,000. In one aspect, the polyamine component described herein has a molecular weight of about 500 to 50,000, more preferably 600 to 20,000 and, most preferably, 700 to about 10,000.

[0067] In one embodiment, the polyamine component has a low acid content. The acid content is preferably not more than about 10%, preferably not more than 5%. In one aspect, the acid content is in the range of about 0.1% to 10%, preferably 0.5 to 5%, and more preferably, 1 to 3%. As described here, the aforementioned acid content is calculated based on the total weight of the acid-functional monomer, in relation to the total weight of the monomers used to generate the polymer.

[0068] The present description provides a water-soluble coating composition that includes a binder component and a neutralizing agent. In one aspect, the neutralizing agent is used to adjust the pH of the binder component during emulsion polymerization or during mixing or formulation. The pH of the coating composition (in comparison, for example, with the binder component used to make the coating composition) is less than 9.5, more preferably less than 9 and most preferably less than 8.7 . Typically, the pH will be greater than about 7, more typically greater than 8. The preferred pH range for the coating composition is 7 to 8.7, more preferably 8 to 8.5.

[0069] In one embodiment, the neutralizing agent is any organic or inorganic component that is a strong or weak base. In a preferred aspect, the neutralizing agent is a non-volatile compound or a

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15/28 low volatility compound compared to ammonia. Suitable neutralizing agents include, for example, amine-containing bases, such as dimethylamine, diethylamine, aminopropanol, 2-amino-2-methyl-1-propanol (AMP) and the like; hydroxide-containing bases, such as potassium hydroxide (KOH), and mixtures and combinations thereof. In a preferred aspect, the neutralizing agent is a 1: 1 mixture of KOH and AMP.

[0070] In one embodiment, the coating composition described herein includes an amount of the neutralizing agent sufficient to adjust the pH of the coating composition to the desired level. Preferably, no more than 5 weight percent of the neutralizing agent is used, more preferably about 0.5 to 4 weight percent, and most preferably about 1 to 3 percent, by weight, based on the total weight of the coating composition.

[0071] In one embodiment, the neutralizing agent is in a solution of one or more non-volatile bases in a solvent. Suitable solvents include, but are not limited to, alcohols such as, for example, butyl glycol, butyl diglycol, ethyl diglycol, dipropylene glycol n-butyl ether, tripropylene glycol butyl ether and the like; or coalescents such as TEXANOL, EPS 9147 and the like. In a preferred aspect, the neutralizing agent is a solution in a solvent mixture of butyl diglycol and TEXANOL. The concentration of the neutralizing agent solution is preferably from about 0.1 g / L to 10 g / L, more preferably from 0.5 g / L to 5 g / L and, most preferably, from 1 g / L to 3 g / L.

[0072] The coating composition described here can be used to produce an aqueous paint for road marking. Conventionally, road marking paints are made with ammonia (NH4OH) as the neutralizing agent. The use of ammonia to adjust the pH of the road paint composition is advantageous, as ammonia is a volatile base with sufficiently high volatility and vapor pressure to evaporate the paint and allow the

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16/28 ink dries and / or hardens very quickly, typically in less than 20 minutes under ambient conditions of temperature (up to about 30 ° C) and relative humidity (up to about 50%). To achieve the desired quick-drying properties, while remaining sufficiently stable, conventional ammonia-adjusted quick-drying road paint compositions generally have a pH greater than 10. Such fast-setting paints are described in detail in the US patent. No. 6,075,079, for example, and demonstrate excellent physical and mechanical properties when used as paints for road marking. However, these paints have a strong ammonia odor, and the evaporation of ammonia from road paint increases the presence of VOCs in the environment. There is a desire to eliminate the use of ammonia to produce a low-odor paint that has the same performance characteristics as the ammonia-containing composition.

[0073] Consequently, in one embodiment, the coating composition described herein is substantially, or even essentially, free of ammonia. If used, the composition includes no more than 0.5 weight percent, preferably no more than 0.1 weight percent ammonia, based on the total weight of the coating composition. Surprisingly, the coating composition described here, when used as a road paint, shows a comparable and even improved drying time over commercially available road paints, although the compositions described here do not include significant amounts of ammonia.

[0074] In addition, the coating compositions described here have an improved curing time at a lower pH when compared to conventional ammonia systems. In addition, the described coating composition also exhibits good long-term storage stability at the lowest pH. In addition, the coating compositions described here demonstrate excellent mechanical properties including, for example,

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17/28 example, touch drying time less than about 20 minutes, preferably less than 10 minutes, at a temperature of 25 ° C with 50% relative humidity. Preferred modalities also exhibit drying times to touch less than 20 minutes at one or both ends of (i) temperature as low as 5 ° C under corresponding ambient conditions of relative humidity for such temperature, or (ii) relative humidity as as high as 95% at a corresponding ambient temperature for such humidity (for example, up to 35 ° C).

[0075] In one embodiment, the coating composition described herein includes a sufficient amount of pigment or filler, so that the final coating includes from about 10 to 80% by volume, preferably from 20 to 70% by volume , more preferably from 30 to 60% by volume, based on the total volume of the dry coating, i.e., the pigment volume concentration (PVC). Without being limited to theory, it is believed that PVC plays an important role in the mechanical properties of the paint film. In an ideal PVC, filler or pigment particles can alter the surface energy of the coating composition in a way that affects solvent evaporation, surfactant migration and film formation when paint is applied to a substrate. In a preferred aspect, the coating composition described herein has a PVC of about 60%.

[0076] The present description provides one or more methods for producing a fast-drying, water-based and low-odor coating composition. In one embodiment, the method includes the steps of forming an initial resin mixture using a first resin component derived from one or more ethylenically unsaturated monomers. The second resin component, a polyamine, is then added to the first component to form a blend of copolymers. Alternatively, the two components can be combined using

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18/28 emulsion polymerization. A solution of a neutralizing agent is added to the blend of copolymers or to the polymer emulsion formed, and the water-based coating composition is formulated using any other additives necessary to produce and apply a paint. In another embodiment, the neutralizing agent is added to the initial resin mixture before mixing with the second resin component or before emulsion polymerization.

[0077] The coating composition can be produced by conventional emulsion polymerization methods known to those skilled in the art. Exemplary methods are described, without limitation, in US patents No. 7,834,086, US No. 8,658,286, and US No. 9,359,520, which are incorporated herein by reference.

[0078] The coating composition described herein can include other components or additives, added either to the blend of copolymers during polymerization, or during the formulation of an ink. Suitable additives are known to those skilled in the art and include, for example, surfactants, pigments, dyes, air exposure time agents, additional pH adjusters, initiator and reinforcing solutions, crosslinking agents, preservatives, defoaming agents, agents anticorrosives and combinations thereof.

[0079] In one aspect, the coating composition described herein can be used in a latex paint that additionally includes one or more additives necessary to formulate an ink composition. Suitable additives include, but are not limited to, fillers, thixotropes, rheological modifiers, matting agents and the like. Additives can include one or more ingredients added to a paint to modify the properties or to optimize the performance of the paint during storage, handling, application and other different or subsequent steps. Desired performance characteristics of an ink formulation include,

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19/28 for example, drying time to touch, total drying time, water absorbance and recovery, chemical resistance, abrasion resistance (ie resistance to friction), hardness, gloss, reflectivity, appearance and / or a combination of these properties and other similar properties.

[0080] The coating compositions described herein can be used as a quick-drying coating for a wide variety of substrates, including, for example, asphalt, concrete, masonry, stone, brick, other architectural surfaces, building exteriors, interiors of buildings and the like. The substrates can be smooth, rough or porous. The coating composition is typically applied with a thickness of about 2 to 15 mil wet film thickness, and allowed to dry under ambient conditions of 400 micron wet film. The typical dry film thickness is preferably about 1 to 10 mil, more preferably 5 to 8 mil.

[0081] In one embodiment, the water-based coating composition can be used as a paint for road or traffic demarcation. Due to the fact that the composition dries quickly, it is ideal for forming a tough, smudge-resistant film at room temperatures, right after being applied. When used as paints for road or traffic demarcation, the composition demonstrates excellent drying time, abrasion resistance, thermal stability, freeze / thaw stability, recovery after water absorption and concealment.

[0082] In another embodiment, the coating composition described herein can be used in aerosol foam applications. Aerosol foam is often used as insulation, and hardens quickly under moderate temperature and humidity. However, when the foam is not properly mixed or applied, it will crumble before it hardens. With the coating composition described here, the fast drying time of the composition allows the foam to harden before the foam structure

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20/28 shatter.

[0083] The full disclosure of all patents, patent applications, publications and electronically available materials cited in the present invention is hereby incorporated by reference. The detailed description and examples mentioned above were offered only for the sake of clarity of understanding. No unnecessary limitations can be inferred from them. The invention is not limited to the exact details presented and described, since variations obvious to the person skilled in the art are included in the invention defined by the claims. The invention shown here illustratively may suitably be practiced, in some embodiments, in the absence of any element that is not specifically disclosed herein.

EXAMPLES [0084] The invention is illustrated by the following examples. It should be understood that the examples, materials, quantities and specific procedures must be interpreted broadly, according to the scope and spirit of the inventions, as set out here. Except where otherwise indicated, all parts and percentages are expressed in weight and all molecular weights are average weight molecular weight. Unless otherwise specified, all used chemicals are commercially available from, for example, Sigma-Aldrich, of St. Louis, Missouri, USA.

Test methods [0085] Except where otherwise noted, the test methods shown below have been used in the following examples. Unless otherwise specified, reported readings are the average of duplicate measurements for each sample.

Touch drying test [0086] The touch drying test is used to evaluate the speed

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21/28 with which an ink applied to a substrate surface will dry to the point of resisting mechanical stress and showing no adhesion when touched with an object such as a finger. For this test, a 400 micron film thickness of a test sample is applied to a glass plate. The plate is then placed in a drying chamber to allow the paint to dry. The drying chamber is at 23 ° C with 40 to 60% humidity. The film is evaluated every five minutes, and the touch drying time is recorded as the first point in time (in minutes) at which the ink no longer adheres to the object used to touch the film.

Absorbance / water soak test [0087] The water absorbance test is used to determine the amount of water that a paint or coating will absorb when submerged in water for a specific period of time. With regard to road paint, this test provides a measure of how the paint or coating will behave when exposed to rain and other wet weather conditions. For this test, a 400 micron thickness reduction is made on a Leneta card, where one side of the card is sprayed to determine water absorption, where the sprayed card is allowed to dry for 24 hours (8 hours at room temperature and 16 hours at 50 ° C). When the film is dry, the card is submerged in water and the weight of the card is recorded at intervals of 1, 2, 4, 6, 8 and 24 hours after submersion, with excess water being removed before weighing . The results are indicated as a percentage of weight gain.

Recovery after water absorbance [0088] The recovery test is used to determine how quickly an ink or coating will release water after submersion. A paint film is applied to a Leneta card, as in the water absorbance test. The card is then left to dry at room temperature, and the water loss of the ink is measured by weighing the card every 10,

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20, 30 minutes and at 1, 2, 4, 8 and 24 hours to detect changes in weight. Recovery is seen as the point in time when the weight of the card does not change between weight measurements.

Ink weight loss test [0089] To determine the time to fully dry an ink or an applied coating, a wet film of ink is applied to a Leneta card at a thickness of 400 microns and allowed to dry at room temperature. The card is then weighed every ten minutes to 30 minutes and then every 1, 2, 4, 8 and 24 hours. The ink is considered to be completely dry when the weight loss is stable, that is, the weight of the ink does not change. Chemical resistance [0090] To simulate the conditions to which road paint is typically exposed, a film applied to a Leneta card with a film thickness of 400 microns is submerged in water and then exposed to various chemicals, including ammonia, butyl glycol, clean oil, dirty oil, diesel oil and 5% sodium dodecyl sulfate (SDS). Chemical resistance is reported on a scale of 1 to 5, where 1 represents serious damage to the coating and 5 represents no damage.

Example 1: Preparation of coating compositions [0091] In at least one embodiment, the acid-containing polyamine is formed from an amino-functional acrylic monomer, an acid-functional monomer, an initiator that is soluble in water, a modifier for control molecular weight and water. In at least one preparation, the aqueous phase is heated to 60 to 65 ° C. The monomeric phase is prepared consisting of amino-functional monomer, acid-functional monomer and modifier. In addition, the initiator is dissolved in water. This occurs when the temperature reaches at least 60 to 65 ° C, when the monomer and initiator feed flow starts. This feed flow is done over a period of 90 minutes, during which the temperature remains

Petition 870190047024, of 5/20/2019, p. 58/89 / 28 between 60 and 65 ° C. In addition, the feed stream from the initiator is added over 150 minutes at a temperature of 60 to 65 ° C. Once the feed flow to the initiator is complete, the post-reaction will take approximately 60 minutes, resulting in a solids content of approximately 27.5% with a slightly cloudy appearance.

[0092] As described above, by creating a distinct water solubility for the polyamine, the polyamine resides in the aqueous phase. Through the addition of ammonia, the interaction between the acid groups in the polymer and the amine group in the polyamine is reduced, resulting in a stable low viscosity latex. Without adhering to any specific theory, with the addition of hydrophilic groups, in this case acidic groups, to the polyamine, the water solubility is controlled to provide a balance between (drying) properties and the level of neutralization. By reducing the level of neutralization, a low odor can be created.

[0093] By removing the hydrophilic groups, the polyamine is still soluble in water, but requires a higher level of neutralization with ammonia to provide a stable low viscosity latex. The high ammonia content results in a strong odor with good drying properties. By incorporating fewer hydrophilic groups, the polyamine's water solubility is reduced. By reducing the solubility in water, a particle character is created, resulting in an additional reduction in the amount of ammonia needed to obtain a stable latex. However, with the creation of a polyamine particle character, drying times are increased again to the level of no polyamine being added.

[0094] The ingredients shown in Table IA were loaded into a mixing bowl at high speed to produce an initial resin blend with a pigment volume (PVC) concentration of 60. All amounts mentioned are weight percentages based on in the total weight of the initial resin blend.

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Table IA. Resin blend

INGREDIENT (%) Water 3.58 Tegofoamex 810 0.10 Defoamer PC Mull GR 100 7.16 Grinding resin NH4OH (18%) 0.10 pH Butyl glycol 0.61 Solvent Tronox CR 826 23.32 Pigment Durcal 5 5.83 Charge Sikron M300 23.32 Charge Blend with: Acrylic copolymer 35.79 Binder Tegofoamex 810 1/1 0.20 Defoamer Total 100.00

[0095] The initial resin blend from Table IA is mixed with a second polymer blend that includes a polyamino-functional component in order to produce the road paint test formulations No. 1 to No. 6, as shown in Table 1B .

Table 1B. Test formulations

Test Ink Second copolymer quantity (% w / w) 1 - 2 1 3 2 4 3 5 4 6 5

Example 2. Touch drying test [0096] Each of test paint No. 1 to No. 6 formulations was applied to a glass plate with a film thickness of 400 microns and then allowed to dry at room temperature and 50% relative humidity. For comparison, a commercially available water-based latex formulation (Dow FastTrack) is used as a control. Results are reported in minutes for each set of test samples.

Table 2. Touch drying time

Sample Control 2-1 2-2 2-3 2-4 2-5 2-6 TA (min) 20 45 35 35 30 35 35

Example 3: Solvent effect [0097] To determine the effect of different solvents on touch drying time, several solvents were added to test formulations No. 1, No. 3 and No. 5 of Example 1 (Table 1B) in concentrations of

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25/28 2% and 4% solvent. Each test formulation was applied to a Leneta card in a film thickness of about 75 microns, and allowed to dry in a climatic chamber at room temperature and 50% relative humidity. Touch drying times were determined as described in Example 2 and shown in Figure 1, along with the time required to obtain a visually dry film.

Example 4: Effect of pigment volume concentration (PVC) [0098] To determine the effect of pigment volume concentration on the various performance parameters of an example of paint for road traffic demarcation, sample formulations with various levels of PVC using Test Formulation No. 4 of Example 1, as shown in Table 4A. A commercially available road marking paint (DOW FasTrack) was used for comparison.

[0099] The touch drying time was determined as described in Example 2. The results are shown in Table 4B.

[00100] For other performance tests, formulations as in Table 4A were applied to a Leneta card in a thickness of about 400 microns, and subjected to several tests as described above. The results are shown in Figures 2A to 2E.

Table 4A. Test formulations with different PVCs

Sample PVC RP1 40 RP2 50 RP3 60 RP4 70 Commercial product (FastTrack) N / A

Table 4B. Touch drying time with different PVCs

Sample Touch drying time (min) 24 h 1 wk 4 wk RP1 42 38 32 RP2 48 42 38 RP3 42 32 48 RP4 28 32 32 Commercial product (FastTrack) 18 18 18

Example 5: Effect of molecular weight and acid value [00101] To determine the effect of molecular weight and acid number,

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26/28 road paint test formulations were prepared which included a blend of copolymers of an acrylate resin and a polyamino-functional monomer, with acid number and molecular weight as shown in the Table

5. The polyamino-functional monomer is included at a content of about 3% by weight, and the test formulations have a PVC of 60. A commercially available road marking paint (DOW FasTrack) was used for comparison, and the acrylate resin was used as a control. The touch drying time was determined at 60% relative humidity, and the results are shown in Table 5.

Table 5. Touch drying time

Sample % polyamine acid Molecular weight (Mn) Dry to the touch (min) Control (100% acrylic polymer) - - 48 1 1 High 45 2 1 Moderate 38 3 1 Moderate 45 4 2 High 45 5 2 High 45 6 4 High 45 7 4 High 38 8 0.5 High 48 9 0.5 High 38 10 4 Low 38 11 (Test ink No. 4 in Table 1B) 1 High 28 Commercial ink (FasTrack) - - 18

Example 6. Effect of the neutralizing agent [00102] Commercially available road marking paints have a high pH and a strong ammonia odor, but a short drying time to touch and optimal performance characteristics. To determine the effect of alternative neutralizing agents, both on the drying time to touch and on the performance of the road paint, the test formulation of Example 1 was prepared using a binder that is a blend of copolymers of a 100% acrylic polymer. % and a polyamino-functional component at 3% by weight, based on the total weight of the binder. The solvent system of Example 1 was changed to a blend of ethanol and butyl glycol that included different amounts of a 33% solution of a neutralizing agent (a mixture of AMP and KOH), as shown in Table 6.

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27/28 test formulations had a solids content of 80% and were formulated to a PVC of 60. The test formulations were applied and tested as described above. Touch drying times at room temperature and 50 ° C are reported in Table 6, and performance characteristics are shown in Figures 3A to 3E.

Table 6. Effect of the neutralizing agent

Sample* Neutralizing agent No. 1 (1 g / L) Neutralizing agent No. 2 (2 g / L) Dry to the touch (min) OK 50 ° C 1 3.36 - 10 15 2 - 3.14 20 20 3 - 0.71 5 10 4 - 0.48 10 15 5 - 0.24 10 10 Control (100% acrylic copolymer) 3.36 - 35 30 Control (100% acrylic copolymer) - 0.24 25 20 Commercial (FasTrack) - - 20 20

* The inks solidified over time and gelled after 2-3 weeks

Example 7. Optimization of road paint [00103] The test paint formulations of Example 6 have been optimized to provide a road marking paint with optimum drying time to touch and performance characteristics that would remain stable for at least one year at room temperature or for at least four weeks at 50 ° C. For each test sample of Example 6, a neutralizing agent containing a mixture of AMP and KOH was added to the initial resin component during mixing with the polyamino-functional component. The test formulations had a solids content of 75% and were formulated with a PVC of 60. The test formulations were applied and tested as described above, at 8 ° C and 100% relative humidity, to simulate the conditions when the paint is applied to a road surface. The polymer is anionically stabilized, neutralized with ammonia, containing acrylic monomers. The final pH is between 7.5 and 8.5, more preferably between 7.5 and 8.0. Drying times at 8 ° C and 100% humidity. Touch drying times are reported in Table 7, and performance characteristics are shown in Figures 4A to 4D.

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Table 7. Touch drying time

Sample* Neutralizing agent Dry to the touch (min) 1 2* 20 2 2 20 3 2 20 4 2 20 5 2 20 6 25 7 3 25 8 3 25 9 3 25 10 3 25 11 (Control) i *** (hardened) 12 (Control) 2 (hardened) Commercial ink (FastTrack) - > 60

2 g / L solution 2.5 g / L solution ¹ 1 g / L solution [00104] The full disclosure of all patents, patent applications, publications and electronically available materials cited in the present invention is hereby incorporated by way of of reference. The detailed description and examples mentioned above were offered only for the sake of clarity of understanding. No unnecessary limitations can be inferred from them. The invention is not limited to the exact details presented and described, since variations obvious to the person skilled in the art are included in the invention defined by the claims. The invention shown here illustratively may suitably be practiced, in some embodiments, in the absence of any element that is not specifically disclosed herein.

Claims (55)

1. A low-odor aqueous coating composition for road demarcation, characterized by the fact that it comprises: a binder component comprising a first resin component, which comprises an acrylic polymer derived from one or more ethylenically unsaturated monomers, and a second resin component, which comprises a polyamine, thus forming a copolymer or a blend of copolymers; and a neutralizing component, the pH of the composition being less than 9.5 and the coating composition drying in less than about 10 minutes at a temperature between about 5 and 35 ° C. 2. Composition according to claim 1, characterized in that the coating composition dries with a relative humidity between about 30 and 95%. Composition according to claim 1 or 2, characterized in that the first resin component is an emulsion polymer derived from one or more ethylenically unsaturated monomers. Composition according to claim 1 or 2, characterized in that the first resin component is a latex (meth) acrylic polymer. Composition according to any one of claims 1 to 4, characterized in that the second resin component is an amphoteric polyamine. 6. Composition according to claim 5, characterized in that the amphoteric polyamine is selected from a group consisting of acrylated tertiary amine, amino ethyl dimethyl methacrylate, diethyl amino methacrylate and combinations thereof. Petition 870190047024, of 5/20/2019, p. 65/89 2/9 Composition according to claim 5 or 6, characterized in that the amphoteric polyamine is soluble in water. Composition according to any one of claims 5 to 7, characterized in that the amphoteric polyamine has a molecular weight (Mn) less than about 400. Composition according to any one of claims 1 to 8, characterized in that the second resin component is a polyamino-functional copolymer of a polymer derived from (meth) acrylic acid. 10. Composition according to claim 9, characterized in that the (meth) acrylic acid polymer is derived from one or more monomers selected from acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, 2- acrylate ethyl hexyl (2-EHA), methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, 2-ethyl hexyl methacrylate, ethyl hydroxy acrylate, ethyl hydroxy methacrylate, butyl hydroxy acrylate, hydroxy methacrylate , glycidyl methacrylate, 4-hydroxy butyl acrylate glycidyl ether, ethyl acetoacetoxy methacrylate (AAEM), acrylamide diacetone (DAAM), acrylamide, methacrylamide, methylol (methyl) acrylamide, styrene, alpha-methylate, styrene, alpha-methyl styrene, propylene styrene vinyl, allyl methacrylate and mixtures thereof. Composition according to any one of claims 1 to 10, characterized in that the one or more ethylenically unsaturated monomers are selected from acrylic acid, acrylic acid C1-C8 esters, substituted acrylic acid C1-C8 esters, methacrylic, C1-C8 esters of methacrylic acid, C1-C8 substituted esters of methacrylic acid, styrene, alpha-methyl styrene, vinyl toluene, vinyl acetate, vinyl propionate, allyl methacrylate and mixtures thereof. Petition 870190047024, of 5/20/2019, p. 66/89 3/9 Composition according to any one of claims 1 to 11, characterized in that the polyamine component is derived from one or more amino-functional groups selected from amino-terminated aliphatic hydrocarbons, amino-terminated cycloaliphatic hydrocarbons, polyimines , polyethers, polyamides, polyquaternary ammonium salts, compounds derived from epichlorohydrin, polyesters, polycarbonates, polycaprolactones and mixtures thereof. Composition according to any one of claims 1 to 12, characterized in that the binder component has a solids content of at least 50%. Composition according to any one of claims 1 to 13, characterized in that the coating composition has a volume concentration of pigment (PVC) of at least about 50%. Composition according to claim 14, characterized in that the coating composition has a pigment volume concentration (PVC) of about 60 to 70%. 16. Composition according to any one of claims 1 to 15, characterized in that the neutralizing component includes an aqueous solution of one or more bases. 17. Composition according to claim 16, characterized in that the neutralizing component includes about 0.5 to 3%, by weight, of one or more bases, based on the total weight of the neutralizing component. 18. Composition according to claim 16, characterized by the fact that the neutralizing component is a solution of one or more bases in water. 19. Composition according to claim 16, characterized by the fact that the neutralizing component is a solution of Petition 870190047024, of 5/20/2019, p. 67/89 4/9 one or more bases in a non-aqueous medium. 20. Composition according to claim 16, characterized in that the one or more bases are selected from alkali metal hydroxides, amines, alkylamines, hydroxy-functional amines, cycloaliphatic amines, aryl amines, heteroaryl amines and mixtures thereof. 21. Composition according to claim 16, characterized in that the one or more bases are selected from potassium hydroxide, 2-amino-2-methyl propanol and mixtures thereof. 22. Composition according to claim 16, characterized in that the neutralizing component is substantially free of ammonia. 23. Composition according to claim 16, characterized in that the neutralizing component includes no more than about 0.1 weight percent ammonia, based on the total weight of the composition. 24. Method for producing a water-based paint for low-odor road marking, the method being characterized by the fact that it comprises: providing a first resin component comprising a latex polymer derived from one or more ethylenically unsaturated monomers; providing a second resin component comprising a low molecular weight polyamino-functional polymer; combining the first and second resin components to form a blend of copolymers; provide a neutralizing component; and add the neutralizing component to the blend of copolymers, the pH of the composition with low odor being less than 9.5. 25. Method according to claim 24, characterized Petition 870190047024, of 5/20/2019, p. 68/89 5/9 by the fact that providing a neutralizing component comprises providing one or more bases substantially free of ammonia; and mixing the one or more bases with a solvent to form a solution. 26. Method according to claim 25, characterized in that the solvent is an aqueous vehicle. 27. Method according to any one of claims 24 to 26, characterized in that the neutralizing component is added to the first and the second resin components as the blend of copolymers is formed. 28. The method of any one of claims 24 to 26, characterized in that the neutralizing component is added to the first and second resin components after the copolymer blend is formed. 29. Low odor aqueous coating composition to coat an external surface, the composition being characterized by the fact that it comprises: a binder component comprising a first resin component, which comprises an acrylic polymer derived from one or more ethylenically unsaturated monomers, and a second resin component, which comprises a polyamine, thus forming a copolymer or a blend of copolymers; and a neutralizing component, the pH of the composition being less than 9.5 and the coating composition drying in less than about 10 minutes at a temperature between about 5 and 35 ° C. 30. Composition according to claim 29, characterized in that the coating composition dries with a relative humidity between about 30 and 95%. 31. The composition according to claim 29 or 30, Petition 870190047024, of 5/20/2019, p. 69/89 6/9 characterized by the fact that the first resin component is an emulsion polymer derived from one or more ethylenically unsaturated monomers. 32. Composition according to claim 29 or 30, characterized in that the first resin component is a (meth) acrylic latex polymer. 33. Composition according to any one of claims 29 to 32, characterized in that the second resin component is an amphoteric polyamine. 34. Composition according to claim 33, characterized in that the amphoteric polyamine is selected from the group consisting of acrylated tertiary amine, dimethyl amino ethyl methacrylate, diethyl amino methacrylate and combinations thereof. 35. Composition according to claim 33 or 34, characterized in that the amphoteric polyamine is soluble in water. 36. Composition according to any one of claims 33 to 35, characterized in that the amphoteric polyamine has a molecular weight (Mn) less than about 400. 37. Composition according to any one of claims 29 to 36, characterized in that the second resin component is a polyamino-functional copolymer of a polymer derived from (meth) acrylic acid. 38. Composition according to claim 37, characterized in that the (meth) acrylic acid polymer is derived from one or more monomers selected from acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, 2- ethyl hexyl (2-EHA), methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, 2-ethyl hexyl methacrylate, ethyl hydroxy acrylate, ethyl hydroxy methacrylate, butyl hydroxy acrylate, hydroxy methacrylate , Petition 870190047024, of 5/20/2019, p. 70/89 7/9 glycidyl methacrylate, 4-hydroxy butyl acrylate glycidyl ether, ethyl acetoacetoxy methacrylate (AAEM), acrylamide diacetone (DAAM), acrylamide, methacrylamide, methylol (methyl) acrylamide, styrene, vinyl-methyl styrene , vinyl propionate, allyl methacrylate and mixtures thereof. 39. Composition according to any one of claims 29 to 38, characterized in that the one or more ethylenically unsaturated monomers are selected from acrylic acid, acrylic acid C1-C8 esters, substituted acrylic acid C1-C8 esters, methacrylic, C1-C8 esters of methacrylic acid, C1-C8 substituted esters of methacrylic acid, styrene, alpha-methyl styrene, vinyl toluene, vinyl acetate, vinyl propionate, allyl methacrylate and mixtures thereof. 40. Composition according to any one of claims 29 to 39, characterized in that the polyamine component is derived from one or more amino-functional groups selected from amino-terminated aliphatic hydrocarbons, amino-terminated cycloaliphatic hydrocarbons, polyimines , polyethers, polyamides, polyquaternary ammonium salts, compounds derived from epichlorohydrin, polyesters, polycarbonates, polycaprolactones and mixtures thereof. 41. Composition according to any one of claims 29 to 40, characterized in that the binder component has a solids content of at least 50%. 42. Composition according to any one of claims 29 to 41, characterized in that the coating composition has a volume concentration of pigment (PVC) of at least about 50%. 43. Composition according to claim 42, characterized by the fact that the coating composition has a Petition 870190047024, of 5/20/2019, p. 71/89 8/9 pigment volume concentration (PVC) of about 60 to 70%. 44. Composition according to any one of claims 29 to 43, characterized in that the neutralizing component includes an aqueous solution of one or more bases. 45. Composition according to claim 44, characterized in that the neutralizing component includes about 0.5 to 3%, by weight, of one or more bases, based on the total weight of the neutralizing component. 46. Composition according to claim 44, characterized in that the neutralizing component is a solution of one or more bases in water. 47. Composition according to claim 44, characterized in that the neutralizing component is a solution of one or more bases in a non-aqueous medium. 48. Composition according to claim 44, characterized in that the one or more bases are selected from alkali metal hydroxides, amines, alkylamines, hydroxy-functional amines, cycloaliphatic amines, aryl amines, heteroaryl amines and mixtures thereof. 49. Composition according to claim 44, characterized in that the one or more bases are selected from potassium hydroxide, 2-amino-2-methyl propanol and mixtures thereof. 50. Composition according to claim 44, characterized in that the neutralizing component is substantially free of ammonia. 51. Composition according to claim 44, characterized in that the neutralizing component includes no more than about 0.1 weight percent ammonia, based on the total weight of the composition. Petition 870190047024, of 5/20/2019, p. 72/89 9/9 52. Composition according to any one of claims 1 to 23 or 29 to 51, characterized by the fact that the pH of the composition is 7 to 9.5. 53. Composition according to any one of claims 1 to 23 or 29 to 51, characterized in that the pH of the composition is less than 9. 54. Composition according to any one of claims 1 to 23 or 29 to 51, characterized by the fact that the pH of the composition is less than 8.7. 55. Composition according to any one of claims 1 to 23 or 29 to 51, characterized by the fact that the pH of the composition is 7.5 to 8.5.