# US 2020/0399499 A1 · Polyolefin and polyvinylpyrrolidone formulation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0399499 A1 - Document ID: US20200399499A1 - Status: Published application - Kind: A1 - Application number: 16/968,440 - Filed: 2019-03-11 - Published: 2020-12-24 - Earliest claimed: 2018-03-20 - Assignees: Dow Global Technologies LLC - Applicants: Dow Global Technologies LLC - Inventors: Chao He; Yabin Sun; Jeffrey M. Cogen; Timothy J. Person; Hongyu Chen - Web page: https://patentgrep.com/patent/US20200399499A1 ## CPC - C08L 23/04: Homopolymers or copolymers of ethene - C09D 123/06: Polyethylene - C08K 5/005: {Stabilisers against oxidation, heat, light, ozone} - C08L 23/06: Polyethylene - C09D 123/04: Homopolymers or copolymers of ethene - H01B 3/44: vinyl resins; acrylic resins (silicones H01B3/46) - H01B 3/448: {from other vinyl compounds} - C08K 2201/019: the composition being defined by the absence of a certain additive - C08L 2201/08: Stabilised against heat, light or radiation or oxydation - C08L 2203/202: use in electrical wires or wirecoating - C08L 2207/066: LDPE (radical process) - C08L 2312/00: Crosslinking - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) ## Abstract A polyolefin-and-polyvinylpyrrolidone formulation comprising (A) an olefin-based (co)polymer, (B) a polyvinylpyrrolidone (co)polymer, and (C) an antioxidant. Also a method of making the composition; a crosslinked polyolefin product made by curing the composition; manufactured articles comprising a shaped form of the inventive formulation or product; and methods of using the inventive formulation, product, or articles. ## Claims ### Claim 1 A polyolefin and polyvinylpyrrolidone formulation comprising from 79.99 to 99.94 weight percent (wt %) of (A) an olefin-based (co)polymer; from 0.05 to 20.0 wt % of (B) a polyvinylpyrrolidone (co)polymer; and from 0.01 to 1.5 wt % of (C) an antioxidant; with the proviso that the formulation is free of an anti-static agent and a carbon black. ### Claim 2 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1 wherein the (A) olefin-based (co)polymer is (i) an ethylene-based (co)polymer, a propylene-based (co)polymer, or a combination of any two or more thereof; or (ii) a polyethylene homopolymer, an ethylene/alpha-olefin copolymer, an ethylene/unsaturated carboxylic ester copolymer, an ethylene/olefin-functional hydrolyzable silane copolymer, or a combination of any two or more thereof. ### Claim 3 (depends on 1, 2) The polyolefin and polyvinylpyrrolidone formulation of claim 1 or 2 wherein the (B) polyvinylpyrrolidone (co)polymer is a polyvinylpyrrolidone homopolymer or a polyvinylpyrrolidone/olefin comonomer copolymer. ### Claim 4 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1 wherein the (C) antioxidant is a hindered phenol, a phosphite, a phosphonite, a thio compound, an antioxidizing amine, or a combination of any two or more thereof. ### Claim 5 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1 wherein the polyolefin and polyvinylpyrrolidone formulation comprises from 80.50 to 99.70 wt % of the (A) olefin-based (co)polymer; from 0.1 to 15.0 wt % of the (B) polyvinylpyrrolidone (co)polymer; from 0.10 to 1.5 wt % of the (C) antioxidant; and from 0.1 to 3 wt % of (D) an organic peroxide; with the proviso that the formulation is free of an anti-static agent and a carbon black. ### Claim 6 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1 wherein the anti-static agent is an ethoxylated alkylamine, an ethoxylated dialkylamine, a fatty acid ester, a poly(ethylene glycol ester), a polyglycerol ester, a glycidyl ester, an alkyl sulfonate, a pentaerythritol ester, a sorbitan ester, or a diethanol amide of a carboxylic acid. ### Claim 7 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1, further comprising at least one additive chosen from optional additives (E) to (K): (E) a stabilizer (e.g., a compound that inhibits ultraviolet (UV) light-associated degradation); (F) a scorch retardant; (G) an alkenyl-functional coagent; (H) a nucleating agent; (I) a processing aid; (J) an extender oil; and (K) nanoparticles. ### Claim 8 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1, characterized by (i) an increase in water-tree length (WTL) of less than 10% when measured according to the Water-Tree Growth Test Method using ASTM D6097; (ii) a dissipation factor of less than 0.30%, when measured according to the Dissipation Factor Test Method; or both (i) and (ii). ### Claim 9 (depends on 1) The polyolefin and polyvinylpyrrolidone formulation of claim 1 comprising constituents (A) to (C), a (D) organic peroxide, and a (E) stabilizer, wherein the (A) olefin-based (co)polymer is a low density polyethylene containing comonomeric units derived from 1-butene, 1-hexene, or 1-octene; the (B) polyvinylpyrrolidone (co)polymer is a polyvinylpyrrolidone homopolymer having a weight-average molecular weight (Mw) from 10,000 to 40,000 grams per mole, a vinylpyrrolidone/vinyl acetate copolymer, or a polyvinylpyrrolidone-graft-(1-triacontene) copolymer; the (C) antioxidant is a hindered phenol, a thio compound, or a combination of a hindered phenol and a thio compound; and the (D) organic peroxide is dicumyl peroxide. ### Claim 10 (depends on 1) A method of making the polyolefin and polyvinylpyrrolidone formulation of claim 1, the method comprising mixing the (B) polyvinylpyrrolidone (co)polymer and (C) antioxidant into a melt of the (A) olefin-based (co)polymer to give a melt blend comprising constituents (A), (B), and (C); optionally extruding the melt blend to give an extrudate comprising constituents (A), (B), and (C); optionally pelletizing the extrudate to give pellets comprising constituents (A), (B), and (C); and optionally adding (D) organic peroxide to the melt blend, extrudate, or pellets to give the polyolefin and polyvinylpyrrolidone formulation. ### Claim 11 (depends on 1) A crosslinked polyolefin product that is a product of curing the polyolefin and polyvinylpyrrolidone formulation of claim 1. ### Claim 12 (depends on 11) A manufactured article comprising a shaped form of the crosslinked polyolefin product of claim 11. ### Claim 13 (depends on 11) An insulated electrical conductor comprising a conductive core and an insulation layer at least partially covering the conductive core, wherein at least a portion of the insulation layer comprises the crosslinked polyolefin product of claim 11. ### Claim 14 (depends on 13) A method of conducting electricity, the method comprising applying a voltage across the conductive core of the insulated electrical conductor of claim 13 so as to generate a flow of electricity through the conductive core.