# US 2014/0155528 A1 · Thermoplastic resin composition and molded product made thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155528 A1 - Document ID: US20140155528A1 - Status: Published application - Kind: A1 - Application number: 14/128,820 - Filed: 2012-06-20 - Published: 2014-06-05 - Earliest claimed: 2011-06-29 - Assignees: Toray Industries, Inc. - Inventors: Yosuke Onoue; Daisuke Sato; Sadanori Kumazawa - Web page: https://patentgrep.com/patent/US20140155528A1 ## CPC - C08K 5/521: Esters of phosphoric acids, e.g. of H3PO4 - C08K 3/22: of metals - C08K 3/32: Phosphorus-containing compounds - C08K 3/34: Silicon-containing compounds - C08K 3/346: {Clay} - C08K 3/40: Glass - C08K 5/06: Ethers; Acetals; Ketals; Ortho-esters - C08K 5/5205: {Salts of P-acids with N-bases} - C08K 5/523: with hydroxyaryl compounds - C08K 5/5435: containing oxygen in a ring - C08L 67/04: Polyesters derived from hydroxycarboxylic acids, e.g. lactones (C08L67/06 takes precedence) - C08L 101/00: Compositions of unspecified macromolecular compounds - C08K 3/016: Flame-proofing or flame-retarding additives - C08K 2003/2227: {of aluminium} - C08K 2003/321: {Phosphates} - C08L 101/16: the macromolecular compounds being biodegradable - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract A thermoplastic resin composition includes 100 parts by weight of a thermoplastic resin including a polylactic acid resin (A); 10 to 50 parts by weight of a flame retardant (B); and 1 to 20 parts by weight of low melting point glass powder (C) having a median diameter (D50) in particle size distribution measurement of not greater than 6 μm and a softening temperature of not higher than 600° C. ## Claims ### Claim 1 A thermoplastic resin composition comprising: 100 parts by weight of a thermoplastic resin including a polylactic acid resin (A); 10 to 50 parts by weight of a flame retardant (B); and 1 to 20 parts by weight of low melting point glass powder (C) having a median diameter (D50) in particle size distribution measurement of not greater than 6 μm and a softening temperature of not higher than 600° C. ### Claim 2 (depends on 1) The thermoplastic resin composition according to claim 1, wherein the flame retardant (B) is at least one flame retardant selected from the group consisting of metal hydroxides and phosphorus-based flame retardants. ### Claim 3 (depends on 2) The thermoplastic resin composition according to claim 2, wherein the metal hydroxide is at least one selected from the group consisting of aluminum hydroxide, magnesium hydroxide and calcium hydroxide. ### Claim 4 (depends on 3) The thermoplastic resin composition according to claim 3, wherein the metal hydroxide is aluminum hydroxide. ### Claim 5 (depends on 1) The thermoplastic resin composition according to claim 1, wherein a mixing ratio of the flame retardant (B) to the low melting point glass powder (C) (flame retardant (B)/low melting point glass powder (C)) is 60/40 to 90/10 in weight ratio. ### Claim 6 (depends on 1) The thermoplastic resin composition according to claim 1, further comprising: 0.01 to 50 parts by weight of a crystal nucleating agent (D) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A). ### Claim 7 (depends on 1) The thermoplastic resin composition according to claim 1, further comprising: 0.1 to 50 parts by weight of a plasticizer (E) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A). ### Claim 8 (depends on 1) The thermoplastic resin composition according to claim 1, further comprising: 0.1 to 10 parts by weight of a silane coupling agent (F) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A). ### Claim 9 (depends on 8) The thermoplastic resin composition according to claim 8, wherein the silane coupling agent (F) is an epoxy silane coupling agent. ### Claim 10 (depends on 1) A molded product produced by molding the thermoplastic resin composition according to claim 1. ### Claim 11 (depends on 1) The thermoplastic resin composition according to claim 1, wherein the low melting point glass powder (C) includes SiO2 as an essential component. ### Claim 12 (depends on 2) The thermoplastic resin composition according to claim 2, wherein a mixing ratio of the flame retardant (B) to the low melting point glass powder (C) (flame retardant (B)/low melting point glass powder (C)) is 60/40 to 90/10 in weight ratio. ### Claim 13 (depends on 3) The thermoplastic resin composition according to claim 3, wherein a mixing ratio of the flame retardant (B) to the low melting point glass powder (C) (flame retardant (B)/low melting point glass powder (C)) is 60/40 to 90/10 in weight ratio. ### Claim 14 (depends on 4) The thermoplastic resin composition according to claim 4, wherein a mixing ratio of the flame retardant (B) to the low melting point glass powder (C) (flame retardant (B)/low melting point glass powder (C)) is 60/40 to 90/10 in weight ratio. ### Claim 15 (depends on 2) The thermoplastic resin composition according to claim 2, further comprising: 0.01 to 50 parts by weight of a crystal nucleating agent (D) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A). ### Claim 16 (depends on 3) The thermoplastic resin composition according to claim 3, further comprising: 0.01 to 50 parts by weight of a crystal nucleating agent (D) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A). ### Claim 17 (depends on 4) The thermoplastic resin composition according to claim 4, further comprising: 0.01 to 50 parts by weight of a crystal nucleating agent (D) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A). ### Claim 18 (depends on 5) The thermoplastic resin composition according to claim 5, further comprising: 0.01 to 50 parts by weight of a crystal nucleating agent (D) relative to 100 parts by weight of the thermoplastic resin including the polylactic acid resin (A).