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JP2019081742A5 - - Google Patents

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Publication number
JP2019081742A5
JP2019081742A5 JP2017211066A JP2017211066A JP2019081742A5 JP 2019081742 A5 JP2019081742 A5 JP 2019081742A5 JP 2017211066 A JP2017211066 A JP 2017211066A JP 2017211066 A JP2017211066 A JP 2017211066A JP 2019081742 A5 JP2019081742 A5 JP 2019081742A5
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JP
Japan
Prior art keywords
nda
crystals
measured
icp
washing
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JP2017211066A
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JP6934805B2 (ja
JP2019081742A (ja
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Priority claimed from JP2017211066A external-priority patent/JP6934805B2/ja
Priority to JP2017211066A priority Critical patent/JP6934805B2/ja
Priority to TW107137000A priority patent/TWI772542B/zh
Priority to KR1020180126748A priority patent/KR102644402B1/ko
Priority to EP18202094.1A priority patent/EP3476824B1/en
Priority to CN201811275624.9A priority patent/CN109721490B/zh
Priority to US16/174,977 priority patent/US10544084B2/en
Publication of JP2019081742A publication Critical patent/JP2019081742A/ja
Publication of JP2019081742A5 publication Critical patent/JP2019081742A5/ja
Publication of JP6934805B2 publication Critical patent/JP6934805B2/ja
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Description

実施例6
洗浄に使用した2,6−NDAの結晶の量を100gに変更した以外は実施例と同様にして2,6−NDAの結晶99.1gを得た(収率99.1%)。2,6−NDAの結晶に含まれるアルカリ金属(Na,K)を誘導結合プラズマ(ICP)発光光分析、比表面積をガス吸着法により測定した。結果を表1に示す。
JP2017211066A 2017-10-31 2017-10-31 2,6−ナフタレンジカルボン酸の製造方法 Active JP6934805B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2017211066A JP6934805B2 (ja) 2017-10-31 2017-10-31 2,6−ナフタレンジカルボン酸の製造方法
TW107137000A TWI772542B (zh) 2017-10-31 2018-10-19 2,6-萘二羧酸的製造方法
KR1020180126748A KR102644402B1 (ko) 2017-10-31 2018-10-23 2,6-나프탈렌디카르복실산의 제조 방법
EP18202094.1A EP3476824B1 (en) 2017-10-31 2018-10-23 Method for producing 2,6-naphthalene dicarboxylic acid
CN201811275624.9A CN109721490B (zh) 2017-10-31 2018-10-30 2,6-萘二甲酸的制备方法
US16/174,977 US10544084B2 (en) 2017-10-31 2018-10-30 Method for producing 2,6-naphthalene dicarboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017211066A JP6934805B2 (ja) 2017-10-31 2017-10-31 2,6−ナフタレンジカルボン酸の製造方法

Publications (3)

Publication Number Publication Date
JP2019081742A JP2019081742A (ja) 2019-05-30
JP2019081742A5 true JP2019081742A5 (ja) 2020-10-15
JP6934805B2 JP6934805B2 (ja) 2021-09-15

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ID=63965401

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JP2017211066A Active JP6934805B2 (ja) 2017-10-31 2017-10-31 2,6−ナフタレンジカルボン酸の製造方法

Country Status (6)

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US (1) US10544084B2 (ja)
EP (1) EP3476824B1 (ja)
JP (1) JP6934805B2 (ja)
KR (1) KR102644402B1 (ja)
CN (1) CN109721490B (ja)
TW (1) TWI772542B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112538012B (zh) * 2019-09-20 2023-04-07 中国石油化工股份有限公司 一种2,6-萘二甲酸或2,6-萘二甲酸二甲酯的提纯方法
CN112694397B (zh) * 2019-10-23 2023-03-03 中国石油化工股份有限公司 2,6-萘二甲酸的提纯方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1472777A (en) * 1974-07-08 1977-05-04 Teijin Ltd Process for preparing polyethylene-2,6-naphthalate
JPH03240750A (ja) * 1990-02-15 1991-10-28 Sumikin Chem Co Ltd 高純度ナフタレンカルボン酸の製造方法
ES2093404T5 (es) 1991-12-19 2001-11-16 Bp Corp North America Inc Proceso para preparar acido 2,6-naftalenodicarboxilico purificado.
US5563294A (en) * 1991-12-19 1996-10-08 Amoco Corporation Process for preparing purified 2,6-naphthalenedicarboxylic acid
JPH06256256A (ja) 1993-03-10 1994-09-13 Mitsubishi Gas Chem Co Inc 高純度2,6−ナフタレンジカルボン酸の製造方法
MXPA02002237A (es) * 1999-08-30 2003-08-20 Mossi & Ghisolfi Overseas Sa Metodo para la reduccion de potasio en un procedimiento integrado para la produccion de 2,6-nda.
US7547803B2 (en) * 2003-06-20 2009-06-16 Mitsubishi Gas Chemical Company, Inc. Process for producing a high purity aromatic polycarboxylic acid
JP4439964B2 (ja) 2004-03-26 2010-03-24 上野製薬株式会社 2,6−ナフタレンジカルボン酸の製造方法
JP4397718B2 (ja) 2004-03-26 2010-01-13 上野製薬株式会社 2,6−ナフタレンジカルボン酸の製造方法
EP1591435A3 (en) 2004-03-26 2007-11-28 Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo Method for preparing 2,6-Naphtalene dicarboxyclic acid
JP4467343B2 (ja) 2004-03-26 2010-05-26 上野製薬株式会社 2,6−ナフタレンジカルボン酸の製造方法
JP5318595B2 (ja) 2009-01-26 2013-10-16 上野製薬株式会社 2,6−ナフタレンジカルボン酸の製造方法
JP6660810B2 (ja) 2016-05-27 2020-03-11 日立オートモティブシステムズ株式会社 ディスクブレーキおよびピストンブーツ

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