DE69714580T2 - Verfahren zur Herstellung von aromatischem Polycarbonat mit verbesserter Schmelzstabilität - Google Patents

Verfahren zur Herstellung von aromatischem Polycarbonat mit verbesserter Schmelzstabilität

Info

Publication number
DE69714580T2
DE69714580T2 DE1997614580 DE69714580T DE69714580T2 DE 69714580 T2 DE69714580 T2 DE 69714580T2 DE 1997614580 DE1997614580 DE 1997614580 DE 69714580 T DE69714580 T DE 69714580T DE 69714580 T2 DE69714580 T2 DE 69714580T2
Authority
DE
Germany
Prior art keywords
production
aromatic polycarbonate
melt stability
improved melt
improved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE1997614580
Other languages
English (en)
Other versions
DE69714580D1 (de
Inventor
Kyosuke Komiya
Shinsuke Fukuoka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Chemicals Corp
Original Assignee
Asahi Kasei Chemicals Corp
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8227065&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69714580(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Kasei Chemicals Corp, Asahi Chemical Industry Co Ltd filed Critical Asahi Kasei Chemicals Corp
Publication of DE69714580D1 publication Critical patent/DE69714580D1/de
Application granted granted Critical
Publication of DE69714580T2 publication Critical patent/DE69714580T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE1997614580 1997-07-15 1997-07-15 Verfahren zur Herstellung von aromatischem Polycarbonat mit verbesserter Schmelzstabilität Expired - Lifetime DE69714580T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97112106A EP0892001B1 (de) 1997-07-15 1997-07-15 Verfahren zur Herstellung von aromatischem Polycarbonat mit verbesserter Schmelzstabilität

Publications (2)

Publication Number Publication Date
DE69714580D1 DE69714580D1 (de) 2002-09-12
DE69714580T2 true DE69714580T2 (de) 2003-04-03

Family

ID=8227065

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997614580 Expired - Lifetime DE69714580T2 (de) 1997-07-15 1997-07-15 Verfahren zur Herstellung von aromatischem Polycarbonat mit verbesserter Schmelzstabilität

Country Status (3)

Country Link
EP (1) EP0892001B1 (de)
DE (1) DE69714580T2 (de)
ES (1) ES2177865T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100532347C (zh) 2004-07-13 2009-08-26 旭化成化学株式会社 芳香族碳酸酯类的工业制备方法
US7812189B2 (en) 2004-08-25 2010-10-12 Asahi Kasei Chemicals Corporation Industrial process for production of high-purity diphenyl carbonate
EP1795523B1 (de) 2004-09-17 2013-09-04 Asahi Kasei Chemicals Corporation Verfahren zur trennung von nebenproduktalkoholen in gewerblichem massstab
EA010425B1 (ru) 2004-10-14 2008-08-29 Асахи Касеи Кемикалз Корпорейшн Способ получения диарилкарбоната высокой чистоты
CN114653085B (zh) * 2022-03-07 2023-12-01 广东长信精密设备有限公司 一种四氯化锗生产装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017419A1 (de) * 1980-05-07 1981-11-12 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung aromatischer polycarbonate
US4552704A (en) * 1983-12-27 1985-11-12 General Electric Company Process for the production of aromatic carbonates
JP3528997B2 (ja) * 1995-12-15 2004-05-24 日本ジーイープラスチックス株式会社 ポリカーボネートの製造方法

Also Published As

Publication number Publication date
EP0892001A1 (de) 1999-01-20
ES2177865T3 (es) 2002-12-16
DE69714580D1 (de) 2002-09-12
EP0892001B1 (de) 2002-08-07

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: ASAHI KASEI CHEMICALS CORPORATION, TOKIO/TOKYO, JP

8365 Fully valid after opposition proceedings