# US 2016/0355668 A1 · Modified release agent for improved polycarbonate stability > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2016/0355668 A1 - Document ID: US20160355668A1 - Status: Published application - Kind: A1 - Application number: 15/110,843 - Filed: 2014-12-29 - Published: 2016-12-08 - Earliest claimed: 2014-01-06 - Assignees: Saudi Basic Industries Corporation - Applicants: Saudi Basic Industries Corporation - Inventors: Carlos Godinez Seoane - Web page: https://patentgrep.com/patent/US20160355668A1 ## CPC - C08K 5/42: Sulfonic acids; Derivatives thereof - C08G 64/307: {and phenols} - C08K 3/08: Metals - C08K 3/22: of metals - C08K 5/09: Carboxylic acids; Metal salts thereof; Anhydrides thereof - C08K 5/092: Polycarboxylic acids - C08K 5/103: with polyalcohols - C08L 69/00: Compositions of polycarbonates; Compositions of derivatives of polycarbonates - C08K 2003/0818: {Alkali metal} - C08K 2003/0825: {Potassium} - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract The presently disclosed subject matter relates to polycarbonate compositions and methods of manufacturing the polycarbonate compositions. In one exemplary embodiment, a polycarbonate composition of the present disclosure includes one or more polycarbonate polymers, one or more catalysts and one or more bi-functional additive agents, wherein the bi-functional additive has quenching and release activities. ## Claims ### Claim 1 A polycarbonate composition, comprising: one or more polycarbonate polymers; one or more catalysts; and one or more one bi-functional additive agents; wherein the bi-functional additive agent has quenching and release activities. ### Claim 2 (depends on 1) The composition of claim 1, wherein the one or more bi-functional additive agents is selected from a carboxylic acid derivative of glycerol monostearate, a sulphonic acid derivative of glycerol monostearate, a carboxylic acid derivative of pentaerythritol tristearate, a sulphonic acid derivative of pentaerythritol tristearate, and combinations thereof. ### Claim 3 (depends on 1) The composition of claim 1, wherein the one or more polycarbonate polymers is generated from a melt polycondensation reaction of an aromatic dihydroxy compound and a carbonic acid diester in the presence of a catalyst. ### Claim 4 (depends on 1) The composition of claim 1, wherein the one or more bi-functional additive agents is present in the amount of about 1.0 to about 10.0 parts per million. ### Claim 5 (depends on 1) The composition of claim 1, wherein the one or more catalysts comprises an alkali metal, an alkaline earth metal, and combinations thereof. ### Claim 6 (depends on 1) The composition of claim 1, further comprising one or more mold release agents. ### Claim 7 (depends on 6) The composition of claim 6, wherein the one or more mold release agents is selected from glycerol monostearate, pentaerythritol tetrastearate, and combinations thereof. ### Claim 8 (depends on 1) The composition of claim 1, further comprising an additive selected from heat stabilizers, stabilization adjuvants, plasticizers, antioxidants, photostabilizers, nucleating agents, heavy metal-inactivating agents, flame retardants, lubricants, antistatic agents, colorants, ultraviolet absorbers, and combinations thereof. ### Claim 9 A method for generating a polycarbonate composition, comprising: introducing a feedstream comprising an aromatic dihydroxy compound and carbonic acid diester into a reactor in the presence of one or more catalysts to generate one or more polycarbonate polymers; and adding one or more bi-functional additive agents that has quenching and release activities to the one or more polycarbonate polymers to generate a polycarbonate composition. ### Claim 10 (depends on 9) The method of claim 9, wherein the aromatic dihydroxy compound is bisphenol-A. ### Claim 11 (depends on 9) The method of claim 9, wherein the carbonic acid diester is diphenyl carbonate. ### Claim 12 (depends on 9) The method of claim 9, wherein the one or more bi-functional additive agents is selected from a carboxylic acid derivative of glycerol monostearate, a sulphonic acid derivative of glycerol monostearate, a carboxylic acid derivative of pentaerythritol tristearate, a sulphonic acid derivative of pentaerythritol tristearate, or combinations thereof. ### Claim 13 (depends on 9) The method of claim 9, wherein the one or more catalysts comprises an alkali metal, an alkaline earth metal, and combinations thereof. ### Claim 14 (depends on 9) The method of claim 9, wherein the one or more catalysts comprises potassium hydroxide. ### Claim 15 (depends on 9) The method of claim 9, further comprising transporting the one or more polycarbonate polymers to an extruder to form an extrudate, wherein the one or more bi-functional additive agents is added to the polycarbonate polymers in the extruder. ### Claim 16 A method for generating a polycarbonate composition, comprising: producing one or more polycarbonate polymers in the presence of one or more catalysts; and adding one or more bi-functional additive agents that has quenching and release activities to the one or more polycarbonate polymers to generate a polycarbonate composition. ### Claim 17 (depends on 16) The method of claim 16, wherein the one or more bi-functional additive agents is selected from a carboxylic acid derivative of glycerol monostearate, a sulphonic acid derivative of glycerol monostearate, a carboxylic acid derivative of pentaerythritol tristearate, a sulphonic acid derivative of pentaerythritol tristearate, or combinations thereof. ### Claim 18 (depends on 16) The method of claim 16, wherein the one or more catalysts comprises an alkali metal, an alkaline earth metal, and combinations thereof. ### Claim 19 (depends on 16) The method of claim 16, wherein the one or more catalysts comprises potassium hydroxide. ### Claim 20 (depends on 16) The method of any claim 16, wherein the one or more catalysts comprises potassium hydroxide.