NL195031B - Bereiding van ethers van difenolen. - Google Patents

Bereiding van ethers van difenolen.

Info

Publication number
NL195031B
NL195031B NL9300013A NL9300013A NL195031B NL 195031 B NL195031 B NL 195031B NL 9300013 A NL9300013 A NL 9300013A NL 9300013 A NL9300013 A NL 9300013A NL 195031 B NL195031 B NL 195031B
Authority
NL
Netherlands
Prior art keywords
aromatic polycarbonate
carbonate
hydroxyalkyl
diphenols
preparation
Prior art date
Application number
NL9300013A
Other languages
English (en)
Other versions
NL9300013A (nl
NL195031C (nl
Inventor
Manfred Ehlert
Gerhard Fennhoff
Wolfgang Jakob
Original Assignee
Bayer Ag
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
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of NL9300013A publication Critical patent/NL9300013A/nl
Publication of NL195031B publication Critical patent/NL195031B/nl
Application granted granted Critical
Publication of NL195031C publication Critical patent/NL195031C/nl

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/16—Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
NL9300013A 1992-01-31 1993-01-05 Bereiding van ethers van difenolen. NL195031C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4202740 1992-01-31
DE4202740A DE4202740C2 (de) 1992-01-31 1992-01-31 Verfahren zur Herstellung von Ethern von Diphenolen

Publications (3)

Publication Number Publication Date
NL9300013A NL9300013A (nl) 1993-08-16
NL195031B true NL195031B (nl) 2003-08-01
NL195031C NL195031C (nl) 2003-12-02

Family

ID=6450669

Family Applications (1)

Application Number Title Priority Date Filing Date
NL9300013A NL195031C (nl) 1992-01-31 1993-01-05 Bereiding van ethers van difenolen.

Country Status (4)

Country Link
US (1) US5288923A (nl)
JP (1) JP3334061B2 (nl)
DE (1) DE4202740C2 (nl)
NL (1) NL195031C (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4429463A1 (de) * 1994-08-19 1996-02-22 Bayer Ag Verfahren zur Reduzierung des Oligokondensatanteils von Polykondensaten
US5998568A (en) * 1999-01-14 1999-12-07 Reichhold, Inc. Polyesters prepared from alkoxylated intermediates
US5969056A (en) * 1999-01-14 1999-10-19 Reichhold, Inc. Process for preparing esterification products from cyclic organic carbonates using catalysts comprising quaternary ammonium salts
JP2002121321A (ja) * 2000-10-12 2002-04-23 National Institute Of Advanced Industrial & Technology ポリカーボネート樹脂の油化方法
TW200819421A (en) * 2006-10-31 2008-05-01 Univ Nat Chunghsing The method of synthesizing biphenol A, BPA having di-alkoxyl group by using polycarbonate or its waste
JP5158973B2 (ja) * 2009-02-09 2013-03-06 財団法人生産開発科学研究所 ポリカーボネートの新規な分解方法
JP5857744B2 (ja) * 2009-11-20 2016-02-10 三菱瓦斯化学株式会社 高分子量化された芳香族ポリカーボネート樹脂の製造方法
CN105339335B (zh) * 2013-07-03 2019-01-04 本州化学工业株式会社 1，1-双(4-(2-羟乙氧基)苯基)-3，3，5-三甲基环己烷的结晶体及其制造方法
WO2022096390A1 (de) 2020-11-06 2022-05-12 Covestro Deutschland Ag Verfahren zur herstellung eines polyol-gemisches

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2619831A1 (de) * 1976-05-05 1977-11-17 Bayer Ag Verfahren zur herstellung von kohlensaeurearylestern von polyalkylenoxidpolyolen
DE3529984A1 (de) * 1985-08-22 1987-03-05 Bayer Ag Verfahren zur herstellung von vorkondensaten mit diphenolcarbonat-endgruppen

Also Published As

Publication number Publication date
NL9300013A (nl) 1993-08-16
DE4202740C2 (de) 1996-02-22
DE4202740A1 (de) 1993-08-05
JP3334061B2 (ja) 2002-10-15
JPH05286885A (ja) 1993-11-02
US5288923A (en) 1994-02-22
NL195031C (nl) 2003-12-02

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20050801