# US 11,299,656 B2 · Liquid adhesive concentrate > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,299,656 B2 - Document ID: US11299656B2 - Status: Granted - Kind: B2 - Application number: 16/535,684 - Filed: 2019-08-08 - Published: 2020-02-13 - Granted: 2022-04-12 - Earliest claimed: 2018-08-09 - Assignees: DMI Companies, Inc. - Applicants: Ductmate Industries, Inc. - Inventors: David Michael Glunt; Paris T. Daniel - Web page: https://patentgrep.com/patent/US11299656B2 ## CPC - C09J 123/0853: {Vinylacetate} - C09J 131/04: Homopolymers or copolymers of vinyl acetate - C09J 11/06: organic - C09J 11/08: Macromolecular additives - C09J 129/14: Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols - C08L 2205/025: containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure - C08L 2205/035: containing four or more polymers in a blend - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract Provided herein are compositions and methods of preparing a liquid adhesive concentrate and a liquid adhesive formulation for use as an adhesive in installing insulation on the outside or inside surface of a duct or ductwork. ## Claims ### Claim 1 A liquid adhesive concentrate, comprising: a polyvinyl alcohol-stabilized vinyl acetate-ethylene copolymer dispersion in a range from about 75% to about 90% by weight of the liquid adhesive concentrate, a dry polymer in a range from about 10% to about 18% by weight of the liquid adhesive concentrate, a surfactant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, a defoamer in a range from about 0.3% to about 0.5% by weight of the liquid adhesive concentrate, a biocide in a range from about 0.1% to about 1.5% by weight of the liquid adhesive concentrate, and a dispersant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate. ### Claim 2 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the dry polymer is vinyl acetate-ethylene. ### Claim 3 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the liquid adhesive concentrate has a solid content in a range from about 70% to about 80%. ### Claim 4 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the liquid adhesive concentrate comprises 80% polyvinyl alcohol-stabilized vinyl acetate-ethylene copolymer dispersion by weight of the liquid adhesive concentrate, 1.2% surfactant by weight of the liquid adhesive concentrate, 0.3% defoamer by weight of the liquid adhesive concentrate, 1.1% biocide by weight of the liquid adhesive concentrate, 0.3% dispersant by weight of the liquid adhesive concentrate, and 18% dry polymer by weight of the liquid adhesive concentrate. ### Claim 5 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the dry polymer is selected from the group consisting of acrylic, vinyl acetate-ethylene copolymer, dry latex powders, and a combination thereof. ### Claim 6 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the surfactant is selected from the group consisting of non-ionic surfactants, ethoxylate-based surfactants, nonylphenol ethoxylate, secondary alcohol ethoxylate, octylphenol ethoxylate, alcohol ethoxylate, polymeric surfactants, polyoxyethylene block copolymer, poly(oxy-1,2-ethanediyl), alpha [3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl]-omega-hydroxy, and a combination thereof. ### Claim 7 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the biocide is selected from the group consisting of 1,2-benzisothiazolin-3-one, 2-methyl-2H-isothiazole-3-one, 5-chloro-2-methyl-2H-isothazol-3-one, zinc pyrithione, 3-iodo-2-propynyl butylcarbamate, tributyltin benzoate, alkyl amine hydrochlorides, 3-(3,4-dichlorophenyl)-1,1-dimethylurea, hexahydro-1,3,5-tris(2-hydroxyethyl)-s-triazine, 1,2-benzisothiazolin-3-one and zinc pyrithione, pyridine-2-thiol 1-oxide, thiabendazol, azoxystrobin, fludioxonil, and a combination thereof. ### Claim 8 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the dispersant is selected from the group consisting of acrylic acid, copolymers of acrylic acid, methacrylic acid, maleic acid, acrylic acid esters, acrylic acid olefins, acrylic polymer solution anionic dispersant, polyacrylate dispersing agent, polycarboxylic acid, and a combination thereof. ### Claim 9 (depends on 1) The liquid adhesive concentrate of claim 1, wherein the defoamer is selected from the group consisting of paraffin based mineral oils polysiloxane emulsion, polyether modified polydimethylsiloxane, polyamide particles, hyperbranched polymers, mineral oil based defoamer, and a combination thereof. ### Claim 10 A liquid adhesive formulation, comprising: a) a liquid adhesive concentrate having a solid content of at least about 13% of the liquid adhesive formulation, the liquid adhesive concentrate comprising, i) a polyvinyl alcohol-stabilized vinyl acetate-ethylene copolymer dispersion in a range from about 75% to about 90% by weight of the liquid adhesive concentrate, ii) a dry polymer in a range from about 10% to about 18% by weight of the liquid adhesive concentrate, iii) a surfactant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, iv) a biocide in a range from about 0.1% to about 1.5% by weight of the liquid adhesive concentrate, v) a dispersant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, vi) a defoamer in a range from about 0.3% to about 0.5% by weight of the liquid adhesive concentrate and a thickener in a range from about 1% to about 3% by weight of the liquid adhesive concentrate; and b) water in a range from about 60% to about 80% of the liquid adhesive formulation. ### Claim 11 (depends on 10) The liquid adhesive formulation of claim 10, wherein the solid content is in a range from about 14% to about 36% of the liquid adhesive formulation. ### Claim 12 (depends on 10) The liquid adhesive formulation of claim 10, wherein a ratio of water to solid content is in a range of about 6:1 to about 1:1. ### Claim 13 (depends on 10) The liquid adhesive formulation of claim 10, wherein the solid content is in an amount of about 18% of the liquid adhesive formulation and the water is in an amount of about 80% of the liquid adhesive formulation. ### Claim 14 (depends on 10) The liquid adhesive formulation of claim 10, wherein the thickener is in an amount of about 2% by weight of the liquid adhesive concentrate. ### Claim 15 (depends on 10) The liquid adhesive formulation of claim 10, wherein the thickener is selected from the group consisting of an anionic inverse emulsion thickener, an anionic inverse emulsion as the ammonium salt of an acrylic polymer, and a combination thereof. ### Claim 16 A liquid adhesive formulation, comprising: a) a liquid adhesive concentrate having a solid content of at least about 13% of the liquid adhesive formulation, the liquid adhesive concentrate comprising, i) a polyvinyl alcohol-stabilized vinyl acetate-ethylene copolymer dispersion in a range from about 75% to about 90% by weight of the liquid adhesive concentrate, ii) a dry polymer in a range from about 10% to about 18% by weight of the liquid adhesive concentrate, iii) a surfactant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, iv) a biocide in a range from about 0.1% to about 1.5% by weight of the liquid adhesive concentrate, v) a dispersant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, vi) a defoamer in a range from about 0.3% to about 0.5% by weight of the liquid adhesive concentrate or a thickener in a range from about 1% to about 3% by weight of the liquid adhesive concentrate; and b) water in a range from about 60% to about 80% of the liquid adhesive formulation. ### Claim 17 A kit for making a liquid adhesive formulation, the kit comprising: a) a liquid adhesive concentrate, the liquid adhesive comprising, i) a polyvinyl alcohol-stabilized vinyl acetate-ethylene copolymer dispersion in a range from about 75% to about 90% by weight of the liquid adhesive concentrate, ii) a dry polymer in a range from about 10% to about 18% by weight of the liquid adhesive concentrate, iii) a surfactant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, iv) a biocide in a range from about 0.1% to about 1.5% by weight of the liquid adhesive concentrate, v) a dispersant in a range from about 0.3% to about 1.2% by weight of the liquid adhesive concentrate, vi) a defoamer in a range from about 0.3% to about 0.5% by weight of the liquid adhesive concentrate; and b) a thickener in a range from about 1% to about 3% by weight of the liquid adhesive concentrate.