# US 2020/0399471 A1 · Phosphorus-containing resin composition and article made therefrom > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0399471 A1 - Document ID: US20200399471A1 - Status: Published application - Kind: A1 - Application number: 16/537,116 - Filed: 2019-08-09 - Published: 2020-12-24 - Earliest claimed: 2019-06-24 - Assignees: Elite Material Co., Ltd. - Applicants: Elite Material Co., Ltd. - Inventors: Chen-Yu HSIEH - Web page: https://patentgrep.com/patent/US20200399471A1 ## CPC - C08L 79/08: Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors - C08L 79/085: {Unsaturated polyimide precursors} - C08K 5/0025: {Crosslinking or vulcanising agents; including accelerators} - C08K 5/0066: {Flame-proofing or flame-retarding additives} - C08K 5/51: Phosphorus bound to oxygen - C08K 5/53: bound to oxygen and to carbon only - C08K 5/5397: Phosphine oxides - C08K 3/013: Fillers, pigments or reinforcing additives - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract A phosphorus-containing resin composition comprises a first phosphorus-containing compound, a second phosphorus-containing compound and a maleimide resin; wherein the first phosphorus-containing compound comprises a compound of Formula (I), a compound of Formula (II), or a combination thereof, and wherein the second phosphorus-containing compound is different from the first phosphorus-containing compound, and the second phosphorus-containing compound is absent of a group capable of reacting with the maleimide resin. ## Claims ### Claim 1 A phosphorus-containing resin composition, comprising: (A) a first phosphorus-containing compound; (B) a second phosphorus-containing compound; and (C) a maleimide resin; wherein the first phosphorus-containing compound comprises a compound of Formula (I), a compound of Formula (II), or a combination thereof: wherein n1 is 0 or 1; n2 is 0 or 1; and R1 is hydrogen or a C1 to C3 alkyl group; and wherein the second phosphorus-containing compound is different from the first phosphorus-containing compound, and the second phosphorus-containing compound is absent of a group capable of reacting with the maleimide resin. ### Claim 2 (depends on 1) The phosphorus-containing resin composition of claim 1, wherein the compound of Formula (I) and the compound of Formula (II) respectively have the structures of Formula (III) and Formula (IV): ### Claim 3 (depends on 1) The phosphorus-containing resin composition of claim 1, wherein the second phosphorus-containing compound comprises: ammonium polyphosphate, hydroquinone bis-(diphenylphosphate), bisphenol A bis-(diphenylphosphate), tri(chloroisopropyl) phosphate, trimethyl phosphate, dimethyl methyl phosphonate, resorcinol bis(dixylenyl phosphate), non-reactive phosphazene compound, non-reactive 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide compound, non-reactive diphenylphosphine oxide compound, aluminium phosphate, or a combination thereof. ### Claim 4 (depends on 1) The phosphorus-containing resin composition of claim 1, comprising: (A) 20 to 50 parts by weight of the first phosphorus-containing compound; (B) 15 to 35 parts by weight of the second phosphorus-containing compound; and (C) 20 to 30 parts by weight of the maleimide resin. ### Claim 5 (depends on 1) The phosphorus-containing resin composition of claim 1, further comprising a vinyl-containing resin, a core-shell rubber, or a combination thereof. ### Claim 6 (depends on 5) The phosphorus-containing resin composition of claim 5, wherein the vinyl-containing resin comprises a small molecule vinyl-containing compound, a vinyl-terminated polyphenylene ether resin, an allyl-containing compound, an acrylate resin, a polyolefin, or a combination thereof. ### Claim 7 (depends on 6) The phosphorus-containing resin composition of claim 6, wherein the allyl-containing compound comprises an allyl-modified tetramethylbiphenol, an allyl-containing dicycloisoprene novolac resin, or a combination thereof. ### Claim 8 (depends on 6) The phosphorus-containing resin composition of claim 6, wherein the polyolefin has an elongation percentage of greater than or equal to 500%. ### Claim 9 (depends on 1) The phosphorus-containing resin composition of claim 1, further comprising flame retardant, inorganic filler, curing accelerator, solvent, silane coupling agent, coloring agent, or a combination thereof. ### Claim 10 (depends on 9) The phosphorus-containing resin composition of claim 9, which is absent of crystal precipitation after being stored at 0° C. for 7 days. ### Claim 11 (depends on 1) An article made from the phosphorus-containing resin composition of claim 1, comprising a prepreg, a resin film, a laminate or a printed circuit board. ### Claim 12 (depends on 11) The article of claim 11, characterized by absence of cracking in a film toughness test. ### Claim 13 (depends on 11) The article of claim 11, having a T300 thermal resistance as measured by reference to IPC-TM-650 2.4.24.1 of greater than 120 minutes. ### Claim 14 (depends on 11) The article of claim 11, having a copper foil peeling strength as measured by reference to IPC-TM-650 2.4.8 of greater than or equal to 3.40 lb/in. ### Claim 15 (depends on 11) The article of claim 11, having a flame retardancy of V-0 rating as measured by reference to UL94.