IT1071481B - Decolorazione con una resina scambiatrice cationica di una corrente di riciclo nella produzione di bisfenolo a - Google Patents

Decolorazione con una resina scambiatrice cationica di una corrente di riciclo nella produzione di bisfenolo a

Info

Publication number
IT1071481B
IT1071481B IT2751276A IT2751276A IT1071481B IT 1071481 B IT1071481 B IT 1071481B IT 2751276 A IT2751276 A IT 2751276A IT 2751276 A IT2751276 A IT 2751276A IT 1071481 B IT1071481 B IT 1071481B
Authority
IT
Italy
Prior art keywords
decoloration
bisphenol
production
cationic exchanger
recycling current
Prior art date
Application number
IT2751276A
Other languages
English (en)
Italian (it)
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of IT1071481B publication Critical patent/IT1071481B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT2751276A 1975-09-23 1976-09-22 Decolorazione con una resina scambiatrice cationica di una corrente di riciclo nella produzione di bisfenolo a IT1071481B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61602675A 1975-09-23 1975-09-23
US69672676A 1976-06-16 1976-06-16

Publications (1)

Publication Number Publication Date
IT1071481B true IT1071481B (it) 1985-04-10

Family

ID=27087657

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2751276A IT1071481B (it) 1975-09-23 1976-09-22 Decolorazione con una resina scambiatrice cationica di una corrente di riciclo nella produzione di bisfenolo a

Country Status (6)

Country Link
JP (1) JPS5242861A (enrdf_load_stackoverflow)
DE (1) DE2642596A1 (enrdf_load_stackoverflow)
FR (1) FR2325627A1 (enrdf_load_stackoverflow)
GB (1) GB1565667A (enrdf_load_stackoverflow)
IT (1) IT1071481B (enrdf_load_stackoverflow)
NL (1) NL7610522A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051079A (en) * 1976-06-22 1977-09-27 Union Carbide Corporation Regeneration of acidic cation exchange resin using acidified phenol-water mixture
EP0001863B1 (en) * 1977-11-09 1981-07-15 Shell Internationale Researchmaatschappij B.V. Preparation of bisphenols
US4636393A (en) * 1984-11-28 1987-01-13 Campbell Soup Company Method of processing meat for inclusion in high acid type foods and product thereof
JPH01211544A (ja) * 1988-02-19 1989-08-24 Mitsui Toatsu Chem Inc ビスフェノールａの製造方法
US4954661A (en) * 1988-03-11 1990-09-04 Mitsui Toatsu Chemicals, Inc. Process for preparing high-purity bisphenol A
JPH0365408U (enrdf_load_stackoverflow) * 1989-10-30 1991-06-26
CN1211336C (zh) * 1999-12-03 2005-07-20 三井化学株式会社 优质双酚a和制备它的方法
US6680270B2 (en) 2001-04-24 2004-01-20 General Electric Company Regeneration of catalysts used in the manufacture of bisphenols
US7696388B2 (en) 2008-07-09 2010-04-13 Sabic Innovative Plastics Ip B.V. Process for producing bisphenol-A
CN104379546B (zh) * 2012-06-28 2018-10-09 出光兴产株式会社 双酚a的制备方法
WO2018134734A1 (en) 2017-01-17 2018-07-26 Sabic Global Technologies B.V. Reduced color polycarbonate compositions, methods of manufacture, and articles thereof
CN112752786B (zh) 2018-12-05 2023-06-09 Sabic环球技术有限责任公司 氧化稳定性改进的聚碳酸酯组合物和其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2222607A1 (de) * 1972-05-09 1973-11-22 Rheinstahl Ag Ringwalzwerk

Also Published As

Publication number Publication date
JPS5534779B2 (enrdf_load_stackoverflow) 1980-09-09
FR2325627A1 (fr) 1977-04-22
NL7610522A (nl) 1977-03-25
DE2642596A1 (de) 1977-04-07
GB1565667A (en) 1980-04-23
JPS5242861A (en) 1977-04-04

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930929