# US 2014/0151593 A1 · Isocyanate-based polymer foam composite with improved thermal insulation properties > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0151593 A1 - Document ID: US20140151593A1 - Status: Published application - Kind: A1 - Application number: 14/234,067 - Filed: 2011-07-26 - Published: 2014-06-05 - Earliest claimed: 2011-07-26 - Assignees: Dow Global Technologies LLC - Inventors: Yige Yin; Jing G. Chen; Beilei Wang; Li Ye; Vanni Parenti - Web page: https://patentgrep.com/patent/US20140151593A1 ## CPC - F16L 59/028: {Compositions for or methods of fixing a thermally insulating material} - B29C 44/28: Expanding the moulding material on continuous moving surfaces {without restricting the upwards growth of the foam} - C08G 18/4816: {mixtures of two or more polyetherpolyols having at least three hydroxy groups} - C08G 18/7664: {containing alkylene polyphenyl groups} - C08K 3/16: Halogen-containing compounds - C08K 9/02: Ingredients treated with inorganic substances - B29K 2075/00: Use of {PU, i.e.} polyureas or polyurethanes {or derivatives thereof}, as moulding material - B29K 2105/045: {with open cells} - B29K 2105/046: {with closed cells} - B29L 2009/00: Layered products - B29L 2023/225: {Insulated} - C08G 2110/0025: rigid - C08G 2110/005: < 50kg/m3 - F16L: PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS - B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES ## Abstract This invention relates to rigid isocyanate-based polymer foam and composites thereof comprising a carbon black component comprising at least 50 weight percent of a fluorinated carbon black. Said foam having improved thermal properties, specifically, rigid polyurethane and/or polyisocyanurate foams for use in said insulation applications. ## Claims ### Claim 1 A composite comprising at least one substrate in contact with a rigid isocyanate-based polymer foam made from a reactive formulation comprising a mixture of: (A) an A-side comprising (i) an organic isocyanate, (B) a B-side comprising: (ii) an isocyanate-reactive component, (iii) a blowing agent, and (iv) one or more additional component selected from a catalyst, a nucleating agent, a surfactant, a crosslinker, a chain extender, a flame retardant, a filler, a colorant, a pigment, an antistatic agent, reinforcing fibers, an antioxidant, a preservative, an infrared blocking agent, or an acid scavenger, and (C) from 3 to 7 parts carbon black comprising (v) from 50 to 100 percent by weight of a fluorinated carbon black having a fluorine to carbon (F/C) molar ratio of at least 10/90, wherein parts by weight are based on the weight of the B-side component (B) and component (C) may be either wholly in the A-side (A), wholly in the B-side (B), or a portion in the A-side and a portion in the B-side. ### Claim 2 (depends on 1) The composite of claim 1 wherein the organic isocyanate is 2,4-toluene diisocyanate (TDI), 2,6-toluene diisocyanate, or mixtures thereof; 2,4′-diphenylmethane diisocyanate (MDI), 2,2′-diphenylmethane diisocyanate, 4,4′-diphenylmethane diisocyanate, or mixtures thereof; mixtures of diphenylmethane diisocyanates and oligomers thereof having an isocyanate functionality greater than 2 known in the art as “crude” or polymeric MDI; or MDI comprising urethane, allophanate, urea, biuret, carbodiimide, uretonimine and/or isocyanurate groups. ### Claim 3 (depends on 1) The composite of claim 1 wherein the isocyanate-reactive component is a polyether polyol having a functionality of from 2 to 8 and a hydroxyl number of from 100 and 850. ### Claim 4 (depends on 1) The composite of claim 1 wherein the blowing agent is a physical blowing agent, a chemical blowing agent, or mixture thereof. ### Claim 5 (depends on 1) The composite of claim 1 wherein the carbon black component (C) is 100 percent fluorinated carbon black (v). ### Claim 6 (depends on 1) The composite of claim 1 wherein the fluorinated carbon black has an average particle size of from 5 nm to 500 nm. ### Claim 7 (depends on 1) The composite of claim 1 wherein said foam has a k-factor determined according to ISO 12939-01 such that the k-factor of the foam is at least 0.2 mW/mK below the k-factor of a corresponding foam prepared from the same foam-forming composition except that the fluorinated carbon black is omitted. ### Claim 8 A process for producing a composite comprising the steps of: (I) contacting at least one substrate with a mixture of a rigid isocyanate based polymer reactive formulation comprising: (A) an A-side comprising (i) an organic isocyanate, (B) a B-side comprising: (ii) an isocyanate-reactive component, (iii) a blowing agent, and (iv) one or more additional component selected from a catalyst, a nucleating agent, a surfactant, a crosslinker, a chain extender, a flame retardant, a filler, a colorant, a pigment, an antistatic agent, reinforcing fibers, an antioxidant, a preservative, an infrared blocking agent, or an acid scavenger, and (C) from 3 to 7 parts carbon black comprising (v) from 50 to 100 percent by weight of a fluorinated carbon black having a fluorine to carbon (F/C) molar ratio of at least 10/90, wherein parts by weight are based on the weight of the B-side component (B), and component (C) may be either wholly in the A-side (A), wholly in the B-side (B), or a portion in the A-side and a portion in the B-side, and (II) subjecting the resulting reactive formulation to conditions sufficient to cure the reactive formulation to form a rigid isocyanate-based polymer foam contacting at least one substrate forming a composite a rigid isocyanate-based polymer foam.