# US 2017/0283550 A1 · Polycarbonate resin > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0283550 A1 - Document ID: US20170283550A1 - Status: Published application - Kind: A1 - Application number: 15/626,633 - Filed: 2017-06-19 - Published: 2017-10-05 - Earliest claimed: 2014-12-19 - Assignees: Mitsubishi Chemical Corporation - Applicants: Mitsubishi Chemical Corporation - Inventors: Michiaki FUJI; Kiminori KAWAKAMI; Kazuki FUKUMOTO; Hisatoshi UEHARA; Kenichi SATAKE; Tomoko MAEDA - Web page: https://patentgrep.com/patent/US20170283550A1 ## CPC - C08G 64/1608: {saturated} - C08G 18/0823: {containing carboxylate salt groups or groups forming them} - C08G 18/44: Polycarbonates - C08G 18/672: {Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen} - C08G 63/64: Polyesters containing both carboxylic ester groups and carbonate groups - C08G 63/66: Polyesters containing oxygen in the form of ether groups (C08G63/42, C08G63/58 take precedence) - C08G 64/0208: {saturated} - C08G 64/305: {and alcohols} - C09D 175/06: from polyesters - C09J 175/06: from polyesters - C08G 2190/00: Compositions for sealing or packing joints - C08G 2310/00: Agricultural use or equipment - D01F 6/70: from polyurethanes - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - 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) - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - D01F: CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS ## Abstract The present invention relates to a polycarbonate resin containing, in the molecule, a structure represented by the following formula (1): wherein X has a structure represented by any one of the following formulae (2) to (4): wherein each of R1 to R4 independently represents a hydrogen atom or an organic group having a carbon number of 1 to 30; the organic group may have an arbitrary substituent, and any two or more members of R1 to R4 may combine with each other to form a ring, which is excellent in heat resistance, transparency, light resistance, weather resistance and mechanical strength. ## Claims ### Claim 1 A polycarbonate resin comprising a structure represented by the following formula (1) in the molecule: wherein X has a structure represented by any one of the following formulae (2) to (4); in the formulae (2) to (4), each of R1 to R4 independently represents a hydrogen atom or an organic group having a carbon number of 1 to 30; the organic group may have an arbitrary substituent; and any two or more members of R1 to R4 may combine with each other to form a ring. ### Claim 2 A polycarbonate resin comprising a structure represented by the following formula (1) in the molecule: wherein X has a structure represented by any one of the following formulae (2) to (4); in the formulae (2) to (4), each of R1 to R4 independently represents an organic group having a carbon number of 1 to 30; the organic group may have an arbitrary substituent; and any two or more members of R1 to R4 may combine with each other to form a ring. ### Claim 3 (depends on 1) The polycarbonate resin according to claim 1, wherein X in the formula (1) is a structure represented by the formula (2). ### Claim 4 (depends on 1) The polycarbonate resin according to claim 1, wherein each of R1 and R2 and R3 and R4 in the formulae (2) to (4) mutually forms a ring via an acetal bond. ### Claim 5 (depends on 4) The polycarbonate resin according to claim 4, wherein the cyclohexane ring in the formulae (2) to (4) is an inositol residue derived from myo-inositol. ### Claim 6 (depends on 5) The polycarbonate resin according to claim 5, wherein X in the formula (1) is a structure represented by the following formula (5): ### Claim 7 (depends on 6) The polycarbonate resin according to claim 6, wherein in all myo-inositol derivative compounds obtained by hydrolyzing the polycarbonate resin, the ratio of a compound having a structure represented by the following formula (6) is 90 mol % or more and the ratio of a total of a compound represented by the following structural formula (7) and a compound represented by the following structural formula (8) is 5 mol % or less: ### Claim 8 (depends on 1) The polycarbonate resin according to claim 1, wherein X in the formula (1) is a structure represented by the formula (4) and R1, R3 and R4 in the formula (4) form a ring. ### Claim 9 (depends on 8) The polycarbonate resin according to claim 8, wherein the cyclohexane ring in the formula (4) is an inositol residue derived from myo-inositol. ### Claim 10 (depends on 1) The polycarbonate resin according to claim 1, wherein the midpoint glass transition initiation temperature Tmg is 100° C. or more. ### Claim 11 (depends on 1) The polycarbonate resin according to claim 1, wherein the reduced viscosity is from 0.20 to 1.50 dl/g. ### Claim 12 (depends on 1) The polycarbonate resin according to claim 1, wherein when all carbonate repeating units are assumed to be 100, the polycarbonate resin contains 80 or less of a structure represented by the formula (1) as a repeating unit. ### Claim 13 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin has from 0.1 to 50 mass % of a structural unit derived from an aliphatic dihydroxy compound and/or an alicyclic dihydroxy compound. ### Claim 14 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin contains from 5 to 80 mass % of a structural unit derived from isosorbide. ### Claim 15 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin contains from 0.1 to 50 mass % of a structural unit derived from an aliphatic dihydroxy compound having a primary hydroxyl group. ### Claim 16 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin contains from 0.1 to 50 mass % of a structural unit derived from an alicyclic dihydroxy compound having a primary hydroxyl group. ### Claim 17 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin contains from 40 to 95 mass % of a structural unit derived from a compound represented by the following formula (9): wherein each of R11 to R14 independently represents a hydrogen atom, a substituted or unsubstituted alkyl group having a carbon number of 1 to 20, a substituted or unsubstituted cycloalkyl group having a carbon number of 6 to 20, or a substituted or unsubstituted aryl group having a carbon number of 6 to 20, each of Y1 and Y2 independently represents a substituted or unsubstituted alkylene group having a carbon number of 2 to 10, a substituted or unsubstituted cycloalkylene group having a carbon number of 6 to 20, or a substituted or unsubstituted arylene group having a carbon number of 6 to 20, and each of m and n is independently an integer of 0 to 5. ### Claim 18 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin contains from 50 to 80 mol % of a structural unit derived from a compound represented by the following formula (10), relative to structural units derived from all dihydroxy compounds in the polycarbonate resin: wherein each of R21 to R24 independently represents a hydrogen atom, a substituted or unsubstituted alkyl group having a carbon number of 1 to 20, a substituted or unsubstituted cycloalkyl group having a carbon number of 5 to 20, or a substituted or unsubstituted aryl group having a carbon number of 6 to 20. ### Claim 19 (depends on 1) The polycarbonate resin according to claim 1, wherein the polycarbonate resin contains from 1 to 40 mass % of a structure represented by the following formula (11) and/or a structure represented by the following formula (12): wherein each of R31 to R33 independently represents a direct bond, an alkylene group having a carbon number of 1 to 4, which may have a substituent, and each of R34 to R39 independently represents a hydrogen atom, an alkyl group having a carbon number of 1 to 10, which may have a substituent, an aryl group having a carbon number of 4 to 10, which may have a substituent, an acyl group having a carbon number of 1 to 10, which may have a substituent, an alkoxy group having a carbon number of 1 to 10, which may have a substituent, an aryloxy group having a carbon number of 4 to 10, which may have a substituent, an amino group which may have a substituent, an alkenyl group having a carbon number of 2 to 10, which may have a substituent, an alkynyl group having a carbon number of 2 to 10, which may have a substituent, a sulfur atom having a substituent, a silicon atom having a substituent, a halogen atom, a nitro group, or a cyano group, provided that R34 to R39 may be the same as or different from each other and at least two adjacent groups out of R34 to R39 may combine with each other to form a ring.