SG11201610898TA - Process for purifying polycarbonate polyols and purifying apparatus therefor - Google Patents

Process for purifying polycarbonate polyols and purifying apparatus therefor

Info

Publication number
SG11201610898TA
SG11201610898TA SG11201610898TA SG11201610898TA SG11201610898TA SG 11201610898T A SG11201610898T A SG 11201610898TA SG 11201610898T A SG11201610898T A SG 11201610898TA SG 11201610898T A SG11201610898T A SG 11201610898TA SG 11201610898T A SG11201610898T A SG 11201610898TA
Authority
SG
Singapore
Prior art keywords
purifying
apparatus therefor
polycarbonate polyols
purifying apparatus
polyols
Prior art date
Application number
SG11201610898TA
Inventor
Jörg Hofmann
Stefanie Braun
Kai Laemmerhold
Matthias Wohak
Cyrus Ahmadzade-Youssefi
Jürgen Bausa
Original Assignee
Covestro Deutschland 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 Covestro Deutschland Ag filed Critical Covestro Deutschland Ag
Publication of SG11201610898TA publication Critical patent/SG11201610898TA/en

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
    • C08G64/40—Post-polymerisation treatment
    • C08G64/406—Purifying; Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/06—Evaporators with vertical tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas
    • 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
    • C08G64/32—General preparatory processes using carbon dioxide
    • C08G64/34—General preparatory processes using carbon dioxide and cyclic ethers
    • 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
    • C08G64/40—Post-polymerisation treatment
SG11201610898TA 2014-07-03 2015-06-29 Process for purifying polycarbonate polyols and purifying apparatus therefor SG11201610898TA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14175603 2014-07-03
PCT/EP2015/064733 WO2016001164A1 (en) 2014-07-03 2015-06-29 Process for purifying polycarbonate polyols and purifying apparatus therefor

Publications (1)

Publication Number Publication Date
SG11201610898TA true SG11201610898TA (en) 2017-02-27

Family

ID=51033075

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201610898TA SG11201610898TA (en) 2014-07-03 2015-06-29 Process for purifying polycarbonate polyols and purifying apparatus therefor

Country Status (7)

Country Link
US (1) US10421836B2 (en)
EP (1) EP3164443B1 (en)
KR (1) KR102341197B1 (en)
CN (1) CN106471041B (en)
ES (1) ES2709474T3 (en)
SG (1) SG11201610898TA (en)
WO (1) WO2016001164A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3260483A1 (en) 2016-06-22 2017-12-27 Covestro Deutschland AG Method for manufacturing polyether carbonate polyols
DE102016116078B3 (en) * 2016-08-29 2018-01-04 Epc Engineering Consulting Gmbh Process for producing a polycarbonate using a stripping device
US11390675B2 (en) 2016-09-21 2022-07-19 Nextcure, Inc. Antibodies for Siglec-15 and methods of use thereof
CN106543427B (en) * 2016-11-01 2018-08-28 万华化学集团股份有限公司 Volatile materials and the method for reducing smell in a kind of removing polyether polyol
EP3385295A1 (en) * 2017-04-05 2018-10-10 Covestro Deutschland AG Flame retardant phosphorous functional polyether carbonate polyols and method for their preparation
US10053533B1 (en) 2017-04-13 2018-08-21 Presidium Usa, Inc. Oligomeric polyol compositions
KR102349079B1 (en) * 2017-12-27 2022-01-07 주식회사 엘지화학 Method for purifying polycarbonate resin
EP3587469A1 (en) 2018-06-22 2020-01-01 Covestro Deutschland AG Method for the preparation of polyol
EP3683251A1 (en) * 2019-01-15 2020-07-22 Covestro Deutschland AG Process for the preparation of diol
EP3917988A1 (en) 2019-01-31 2021-12-08 Dow Global Technologies LLC Purification process for polyether-carbonate polyols
CN111514618B (en) * 2020-04-01 2022-08-16 南京师范大学 Purging device, working method and method for removing light polypropylene glycol components
WO2022189318A1 (en) 2021-03-12 2022-09-15 Covestro Deutschland Ag Process for purifying cyclic carbonates
KR20220129305A (en) * 2021-03-16 2022-09-23 한화솔루션 주식회사 Evaporator and method for separating using the same
CN115043713B (en) * 2022-06-27 2023-08-08 山东海科新源材料科技股份有限公司 Diethylene glycol purifying device and method
CN115253351B (en) * 2022-08-08 2023-12-01 湖南科凯瑞材料科技有限公司 EEP preparation process

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US3210271A (en) * 1962-02-19 1965-10-05 Shell Oil Co Fractionation with side stripping
US4134795A (en) * 1978-04-05 1979-01-16 The Goodyear Tire & Rubber Company Acetylenes removal from diolefin streams by extractive distillation
GB8528071D0 (en) * 1985-11-14 1985-12-18 Shell Int Research Polycarbonates
US4883906A (en) * 1987-11-25 1989-11-28 Union Carbide Corporation Production of trisubstituted hydroxyalkyl alkanoates from aldehydes
US6060627A (en) * 1997-05-08 2000-05-09 Arco Chemical Technology, L.P. Polyol purification
DE10100404A1 (en) * 2001-01-05 2002-07-11 Bayer Ag Process for the production of polycarbonate
US6545187B1 (en) * 2001-09-19 2003-04-08 General Electric Company Production of low-particulate bisphenol and use thereof in the manufacturing of polycarbonate
DE10309392A1 (en) * 2003-03-04 2004-09-16 Basf Ag Process for separation into liquid mixtures in a film evaporator
KR100813452B1 (en) * 2003-08-21 2008-03-13 미쓰비시 가가꾸 가부시키가이샤 Process for producing aromatic polycarbonate
US7393976B2 (en) 2003-11-26 2008-07-01 Rohm And Haas Company Process for manufacturing reduced water content (meth)acrylic acid
ES2358861T5 (en) * 2007-01-30 2014-12-10 Basf Se Procedure for obtaining polyether carbonate polyols
DE102007055266A1 (en) * 2007-11-20 2009-05-28 Bayer Materialscience Ag Process for the purification of diaryl carbonates
WO2011041161A1 (en) * 2009-09-29 2011-04-07 Dow Global Technologies, Inc. Single column stripping and drying process
EP2703426A1 (en) 2012-08-27 2014-03-05 Bayer MaterialScience AG Method for manufacturing polyether carbonate polyols

Also Published As

Publication number Publication date
CN106471041B (en) 2019-12-20
EP3164443A1 (en) 2017-05-10
WO2016001164A1 (en) 2016-01-07
US10421836B2 (en) 2019-09-24
EP3164443B1 (en) 2018-10-31
KR102341197B1 (en) 2021-12-20
ES2709474T3 (en) 2019-04-16
US20170152345A1 (en) 2017-06-01
CN106471041A (en) 2017-03-01
KR20170026555A (en) 2017-03-08

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