ATE155157T1 - Verfahren und vorrichtung zur reinigung von flüssigem polysiloxan und dessen anwendung - Google Patents

Verfahren und vorrichtung zur reinigung von flüssigem polysiloxan und dessen anwendung

Info

Publication number
ATE155157T1
ATE155157T1 AT94900306T AT94900306T ATE155157T1 AT E155157 T1 ATE155157 T1 AT E155157T1 AT 94900306 T AT94900306 T AT 94900306T AT 94900306 T AT94900306 T AT 94900306T AT E155157 T1 ATE155157 T1 AT E155157T1
Authority
AT
Austria
Prior art keywords
pct
date
liquid material
application
cleaning liquid
Prior art date
Application number
AT94900306T
Other languages
English (en)
Inventor
Franciscus Petrus Marie Nooren
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
Application granted granted Critical
Publication of ATE155157T1 publication Critical patent/ATE155157T1/de

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
    • C08G85/00—General processes for preparing compounds provided for in this subclass
    • C08G85/002—Post-polymerisation treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/32—Post-polymerisation treatment
    • C08G77/34—Purification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/901—Promoting circulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Silicon Polymers (AREA)
  • Silicon Compounds (AREA)
AT94900306T 1992-10-26 1993-10-26 Verfahren und vorrichtung zur reinigung von flüssigem polysiloxan und dessen anwendung ATE155157T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9201854A NL9201854A (nl) 1992-10-26 1992-10-26 Werkwijze en inrichting voor het zuiveren van vloeibaar materiaal, in het bijzonder polysiloxaan alsmede toepassing van het gezuiverde vloeibare materiaal.

Publications (1)

Publication Number Publication Date
ATE155157T1 true ATE155157T1 (de) 1997-07-15

Family

ID=19861425

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94900306T ATE155157T1 (de) 1992-10-26 1993-10-26 Verfahren und vorrichtung zur reinigung von flüssigem polysiloxan und dessen anwendung

Country Status (10)

Country Link
US (1) US5684125A (de)
EP (1) EP0665860B1 (de)
JP (1) JPH08502543A (de)
AT (1) ATE155157T1 (de)
AU (1) AU5534894A (de)
DE (1) DE69312079T2 (de)
DK (1) DK0665860T3 (de)
ES (1) ES2104330T3 (de)
NL (1) NL9201854A (de)
WO (1) WO1994010228A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558687A (en) * 1994-12-30 1996-09-24 Corning Incorporated Vertical, packed-bed, film evaporator for halide-free, silicon-containing compounds
US5703191A (en) * 1995-09-01 1997-12-30 Corning Incorporated Method for purifying polyalkylsiloxanes and the resulting products
US5879649A (en) * 1995-12-19 1999-03-09 Corning Incorporated Method for purifying polyalkylsiloxanes and the resulting products
US6160086A (en) * 1998-07-30 2000-12-12 3M Innovative Properties Company Process for removing impurities from polymers
DE19957458A1 (de) 1999-11-29 2001-05-31 Bayer Ag Strangverdampfer
DE10202591A1 (de) * 2002-01-24 2003-07-31 Clariant Gmbh Spinnverfahren und Vorrichtung zur technischen Fraktionierung von Oligomeren und Polymeren
JP3812661B2 (ja) * 2002-05-13 2006-08-23 信越化学工業株式会社 シリコーン油の精製法
KR20090107497A (ko) * 2007-01-12 2009-10-13 다우 코닝 도레이 캄파니 리미티드 탈포 장치 및 상기 장치를 구비하는 성형 장치
FR2921663A1 (fr) * 2007-10-02 2009-04-03 Bluestar Silicones France Soc Polyorganosiloxanes a fonction piperidine depourvus de toxicite par contact cutane et utilisation de ces derniers dans des compositions cosmetiques
DE102008041121A1 (de) * 2008-08-08 2010-02-11 Wacker Chemie Ag Verfahren zur Herstellung von Formkörpern aus Silikonkautschuk
JP5584885B2 (ja) * 2010-06-14 2014-09-10 柴田科学株式会社 ガス発生装置用熱交換器及びガス発生装置
DE102011079751A1 (de) 2011-07-25 2013-01-31 Wacker Chemie Ag Abtrennung von cyclischen Siloxanen aus kurzkettigen Siloxanen mit endständigen Hydroxylgruppen
DE102015213252A1 (de) * 2015-07-15 2017-01-19 Wacker Chemie Ag Kontinuierliches Verfahren zur Reinigung von bei der Produktion von Siliconen anfallender Prozessabluft
US20200062594A1 (en) * 2016-12-12 2020-02-27 Haldor Topsøe A/S A process for increasing the concentration of sulfuric acid and equipment for use in the process
US20180353174A1 (en) * 2017-06-13 2018-12-13 Ethicon Llc Surgical Stapler with Controlled Healing
US10939911B2 (en) 2017-06-13 2021-03-09 Ethicon Llc Surgical stapler with end effector coating
US11058804B2 (en) 2017-06-13 2021-07-13 Ethicon Llc Surgical fastener device for the prevention of ECM degradation
RU2694845C1 (ru) * 2019-04-04 2019-07-17 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Способ и аппарат для очистки кремнийорганических соединений от летучих компонентов
EP4093525A1 (de) * 2020-01-21 2022-11-30 ExxonMobil Chemical Patents Inc. Strangverdampfer zur entgasung von polymeren
CN115317944B (zh) * 2022-07-29 2023-10-20 华陆工程科技有限责任公司 一种有机硅环体混合物的分离方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834754A (en) * 1953-12-03 1958-05-13 Gen Electric Process for removing volatile organopolysiloxanes from high molecular weight organopolysiloxanes by stripping gas and kneading
US3086243A (en) * 1959-12-30 1963-04-23 Wacker Chemie Gmbh Process and apparatus for continuously washing highly viscous masses
US4017355A (en) * 1970-12-18 1977-04-12 Nippon Oil Company Ltd. Process for treating latices
US4104112A (en) * 1973-10-17 1978-08-01 Niagara Blower Company Method and apparatus for concentrating aqueous solutions
US3926927A (en) * 1974-11-25 1975-12-16 Monsanto Co Stripping monomers from a slurry of copolymerized acrylonitrile
GB1553828A (en) * 1975-10-13 1979-10-10 Ici Ltd Method of treating vinyl chloride polymer latices
JPS5813563B2 (ja) * 1976-04-03 1983-03-14 信越化学工業株式会社 塩化ビニルの水性分散液から未反応モノマ−を除去する方法およびその装置
US4130527A (en) * 1977-12-29 1978-12-19 Stauffer Chemical Company Method of treating a polymer latex to remove unreacted monomer by treatment in a column
US4430461A (en) * 1980-06-06 1984-02-07 General Electric Company Method of removing volatiles in the preparation of silicone compositions
US4356116A (en) * 1981-04-03 1982-10-26 General Electric Company Devolatilized room temperature vulcanizable silicone rubber composition

Also Published As

Publication number Publication date
EP0665860B1 (de) 1997-07-09
US5684125A (en) 1997-11-04
WO1994010228A1 (en) 1994-05-11
DK0665860T3 (da) 1998-02-16
ES2104330T3 (es) 1997-10-01
DE69312079T2 (de) 1997-10-30
JPH08502543A (ja) 1996-03-19
AU5534894A (en) 1994-05-24
NL9201854A (nl) 1994-05-16
EP0665860A1 (de) 1995-08-09
DE69312079D1 (de) 1997-08-14

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee