# US 10,869,574 B2 · Ovenware and liquid crystalline polyester resin composition for molding ovenware > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,869,574 B2 - Document ID: US10869574B2 - Status: Granted - Kind: B2 - Application number: 16/322,223 - Filed: 2017-08-02 - Published: 2019-06-27 - Granted: 2020-12-22 - Earliest claimed: 2016-08-04 - Assignees: Sumitomo Chemical Company, Limited - Applicants: Sumitomo Chemical Company, Limited - Inventors: Shintaro Saito - Web page: https://patentgrep.com/patent/US10869574B2 ## CPC - A47J 36/04: the materials being non-metallic - A47J 27/00: Cooking-vessels (A47J29/00 - A47J33/00 take precedence) - B65D 1/26: Thin-walled containers, e.g. formed by deep-drawing operations {(B65D1/165 takes precedence)} - C08G 63/605: {the hydroxy and carboxylic groups being bound to aromatic rings} - C08G 63/6854: {derived from polycarboxylic acids and polyhydroxy compounds} - C08G 63/6924: {derived from polycarboxylic acids and polyhydroxy compounds} - C08K 3/00: Use of inorganic substances as compounding ingredients - C08K 3/013: Fillers, pigments or reinforcing additives - C08K 3/34: Silicon-containing compounds - C08K 5/09: Carboxylic acids; Metal salts thereof; Anhydrides thereof - C08K 5/098: Metal salts of carboxylic acids - C08L 67/00: Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain (of polyester-amides C08L77/12; of polyester-imides C08L79/08); Compositions of derivatives of such polymers - F24C 15/16: Shelves, racks or trays inside ovens; Supports therefor - C08K 2201/005: Additives being defined by their particle size in general - A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES - 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) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION ## Abstract An ovenware is a molded article of a resin composition containing a liquid crystalline polyester resin, an inorganic filler, and a fatty acid compound, in which, when the ovenware is heated at 250° C., a total generated concentration of notional and decanal derived from the fatty acid compound is 1 vol ppb or less. ## Claims ### Claim 1 An ovenware which is a molded article of a resin composition containing a liquid crystalline polyester resin, an inorganic filler, and a fatty acid compound which is at least one of a fatty acid, a fatty acid metal salt, and a fatty acid ester, wherein, when the ovenware is heated at 250° C., a total generated concentration of nonanal and decanal derived from the fatty acid compound is 1 vol ppb or less. ### Claim 2 (depends on 1) The ovenware according to claim 1, wherein an amount of the fatty acid compound is 0.001 parts by mass or more and 0.5 parts by mass or less with respect to 100 parts by mass of the liquid crystalline polyester resin. ### Claim 3 (depends on 1) The ovenware according to claim 1, wherein the fatty acid compound has 12 to 24 carbon atoms. ### Claim 4 (depends on 1) The ovenware according to claim 1, wherein the fatty acid compound is a fatty acid metal salt. ### Claim 5 (depends on 4) The ovenware according to claim 4, wherein a metal of the fatty acid metal salt is at least one type selected from the group consisting of aluminum, barium, lithium, magnesium, calcium, zinc, sodium, and potassium. ### Claim 6 (depends on 1) The ovenware according to claim 1, wherein an amount of the inorganic filler is 50 parts by mass or more and 100 parts by mass or less with respect to 100 parts by mass of the liquid crystalline polyester resin. ### Claim 7 (depends on 1) The ovenware according to claim 1, wherein the liquid crystalline polyester resin has a repeating unit represented by Formula (1): —O—Ar1—CO— (1) wherein in Formula (1), Ar1 represents a phenylene group, a naphthylene group, or a biphenylylene group; at least one hydrogen atom in the group represented by Ar1 may be substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms. ### Claim 8 (depends on 1) The ovenware according to claim 1, wherein the liquid crystalline polyester resin has a repeating unit represented by Formula (2): —CO—Ar2—CO— (2) wherein in Formula (2), Ar2 represents a phenylene group, a naphthylene group, a biphenylylene group, or a group represented by Formula (4); at least one hydrogen atom included in Ar2 may be substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms; —Ar4—Z—Ar5— (4) wherein in Formula (4), Ar4 and Ar5 each independently represent a phenylene group or a naphthylene group; and Z represents an oxygen atom, a sulfur atom, a carbonyl group, a sulfonyl group, or an alkylidene group having 1 to 10 carbon atoms. ### Claim 9 (depends on 1) The ovenware according to claim 1, wherein the liquid crystalline polyester resin has a repeating unit represented by Formula (3): —X—Ar3—Y— (3) wherein in Formula (3), Ar3 represents a phenylene group, a naphthylene group, a biphenylylene group, or a group represented by Formula (4); X and Y each independently represent an oxygen atom or an imino group (—NH—); and at least one hydrogen atom included in Ar3 may be substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms; —Ar4—Z—Ar5— (4) wherein in Formula (4), Ar4 and Ar5 each independently represent a phenylene group or a naphthylene group; and Z represents an oxygen atom, a sulfur atom, a carbonyl group, a sulfonyl group, or an alkylidene group having 1 to 10 carbon atoms. ### Claim 10 A liquid crystalline polyester resin composition for molding an ovenware which is a resin composition containing a liquid crystalline polyester resin, an inorganic filler, and a fatty acid compound which is at least one of a fatty acid, a fatty acid metal salt, and a fatty acid ester, wherein, when the ovenware is heated at 250° C., a total generated concentration of nonanal and hexanal is 1 vol ppb or less. ### Claim 11 (depends on 10) The liquid crystalline polyester resin composition according to claim 10, wherein the fatty acid compound has 12 to 24 carbon atoms. ### Claim 12 (depends on 10) The liquid crystalline polyester resin composition according to claim 10, wherein the fatty acid compound is a fatty acid metal salt. ### Claim 13 (depends on 12) The liquid crystalline polyester resin composition according to claim 12, wherein a metal of the fatty acid metal salt is at least one type selected from the group consisting of aluminum, barium, lithium, magnesium, calcium, zinc, sodium, and potassium. ### Claim 14 (depends on 10) The liquid crystalline polyester resin composition according to claim 10, wherein an amount of the inorganic filler is 50 parts by mass or more and 100 parts by mass or less with respect to 100 parts by mass of the liquid crystalline polyester resin. ### Claim 15 (depends on 10) The liquid crystalline polyester resin composition according to claim 10, wherein the liquid crystalline polyester resin has a repeating unit represented by Formula (1): —O—Ar1—CO— (1) wherein in Formula (1), Ar1 represents a phenylene group, a naphthylene group, or a biphenylylene group; at least one hydrogen atom in the group represented by Ar1 may be substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms. ### Claim 16 (depends on 10) The liquid crystalline polyester resin composition according to claim 10, wherein the liquid crystalline polyester resin has a repeating unit represented by Formula (2): —CO—Ar2—CO— (2) wherein in Formula (2), Ar2 represents a phenylene group, a naphthylene group, a biphenylylene group, or a group represented by Formula (4); at least one hydrogen atom included in Ar2 may be substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms; —Ar4—Z—Ar5— (4) wherein in Formula (4), Ar4 and Ar5 each independently represent a phenylene group or a naphthylene group; and Z represents an oxygen atom, a sulfur atom, a carbonyl group, a sulfonyl group, or an alkylidene group having 1 to 10 carbon atoms. ### Claim 17 (depends on 10) The liquid crystalline polyester resin composition according to claim 10, wherein the liquid crystalline polyester resin has a repeating unit represented by Formula (3): —X—Ar3—Y— (3) wherein in Formula (3), Ar3 represents a phenylene group, a naphthylene group, a biphenylylene group, or a group represented by Formula (4); X and Y each independently represent an oxygen atom or an imino group (—NH—); and at least one hydrogen atom included in Ar3 may be substituted with a halogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms; —Ar4—Z—Ar5— (4) wherein in Formula (4), Ar4 and Ar5 each independently represent a phenylene group or a naphthylene group; and Z represents an oxygen atom, a sulfur atom, a carbonyl group, a sulfonyl group, or an alkylidene group having 1 to 10 carbon atoms.