RU94029665A - Устройство для непрерывного получения полиацеталей - Google Patents

Устройство для непрерывного получения полиацеталей

Info

Publication number
RU94029665A
RU94029665A RU94029665/26A RU94029665A RU94029665A RU 94029665 A RU94029665 A RU 94029665A RU 94029665/26 A RU94029665/26 A RU 94029665/26A RU 94029665 A RU94029665 A RU 94029665A RU 94029665 A RU94029665 A RU 94029665A
Authority
RU
Russia
Prior art keywords
polyacetals
continuous production
members
elements
static
Prior art date
Application number
RU94029665/26A
Other languages
English (en)
Other versions
RU2130949C1 (ru
Inventor
Хоффмокель Михаель
De]
Мюк Карл-Фридрих
Шлаф Хельмут
Original Assignee
Хехст АГ (DE)
Хехст АГ
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 Хехст АГ (DE), Хехст АГ filed Critical Хехст АГ (DE)
Publication of RU94029665A publication Critical patent/RU94029665A/ru
Application granted granted Critical
Publication of RU2130949C1 publication Critical patent/RU2130949C1/ru

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30—Chemical modification by after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Изобретение касается устройства для непрерывного получения полиацеталей в гомогенной фазе в виде оснащенной статическими смесительными элементами аэродинамической трубы, в которой статические элементы расположены последовательно друг за другом, их длину и их диаметр варьируют соответственно отдельному технологическому этапу, при этом элементы не разделены посредством встроенных подпорных элементов или недостаточными зазорами.

Claims (1)

  1. Изобретение касается устройства для непрерывного получения полиацеталей в гомогенной фазе в виде оснащенной статическими смесительными элементами аэродинамической трубы, в которой статические элементы расположены последовательно друг за другом, их длину и их диаметр варьируют соответственно отдельному технологическому этапу, при этом элементы не разделены посредством встроенных подпорных элементов или недостаточными зазорами.
RU94029665A 1993-08-13 1994-08-12 Устройство для непрерывного получения полиацеталей и его применение RU2130949C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4327246A DE4327246A1 (de) 1993-08-13 1993-08-13 Vorrichtung zur kontinuierlichen Herstellung von Polyacetalen und ihre Verwendung
DEP4327246.0 1993-08-13

Publications (2)

Publication Number Publication Date
RU94029665A true RU94029665A (ru) 1996-06-10
RU2130949C1 RU2130949C1 (ru) 1999-05-27

Family

ID=6495133

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94029665A RU2130949C1 (ru) 1993-08-13 1994-08-12 Устройство для непрерывного получения полиацеталей и его применение

Country Status (9)

Country Link
EP (1) EP0638357B1 (ru)
JP (1) JP3285278B2 (ru)
KR (1) KR100332842B1 (ru)
CN (1) CN1042341C (ru)
BR (1) BR9403238A (ru)
CA (1) CA2130029A1 (ru)
DE (2) DE4327246A1 (ru)
RU (1) RU2130949C1 (ru)
TW (1) TW362990B (ru)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431575A1 (de) 1994-09-05 1996-03-07 Hoechst Ag Verfahren zur Herstellung von Polyacetalcopolymeren
DE4443150C2 (de) * 1994-12-05 2000-02-24 Hoechst Ag Acetalcopolymere mit verbesserten mechanischen Eigenschaften
US7109378B2 (en) 2001-08-30 2006-09-19 Air Products And Chemicals, Inc. Monolith catalytic reactor coupled to static mixer
DE102004057867A1 (de) 2004-11-30 2006-06-01 Basf Ag Verfahren zur Herstellung von Polyoxymethylenen
DE102005022641A1 (de) * 2005-05-11 2006-11-16 Basf Ag Verbessertes Verfahren zur Restmonomerenentfernung aus Polyxymethlenen
EP2267075B1 (en) 2008-10-28 2014-01-22 Asahi Kasei Chemicals Corporation Polyacetal resin composition and method for producing the same
WO2011129445A1 (ja) 2010-04-16 2011-10-20 旭化成ケミカルズ株式会社 ポリアセタール樹脂組成物、その製造方法及び成形体
US20140182484A1 (en) 2012-12-31 2014-07-03 Ticona Gmbh Process For Producing Polyoxymethylene Polymers With Long-Chain Alkyl End Groups, and Polymers Made Therefrom
US20140182485A1 (en) 2012-12-31 2014-07-03 Ticona Gmbh Polyoxymethylene Polymer With Long Chain Alkylene Glycol End Groups
MX2015016276A (es) * 2013-05-29 2016-03-11 Basf Se Proceso continuo para la prepacion de polioxazolinas.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803094A (en) * 1972-07-12 1974-04-09 Ube Industries Process for producing formaldehyde copolymer
JPS55164212A (en) * 1979-05-18 1980-12-20 Mitsubishi Gas Chem Co Inc Continuous polymerization of oxymethylene (co) polymer
DE3066423D1 (en) * 1979-11-06 1984-03-08 Ube Industries Process for polymerizing formaldehyde
DE3147309A1 (de) * 1981-11-28 1983-06-01 Basf Ag, 6700 Ludwigshafen Kontinuierliches verfahren zur herstellung von oxymethylenpolymeren
US4975520A (en) * 1989-03-20 1990-12-04 Hoechst Celanese Corp. Production of acetal copolymers from gaseous formaldehyde and cyclic ethers

Also Published As

Publication number Publication date
DE59408857D1 (de) 1999-12-02
JP3285278B2 (ja) 2002-05-27
KR950005867A (ko) 1995-03-20
DE4327246A1 (de) 1995-02-16
RU2130949C1 (ru) 1999-05-27
KR100332842B1 (ko) 2002-10-25
EP0638357A3 (de) 1995-10-18
CN1109069A (zh) 1995-09-27
EP0638357A2 (de) 1995-02-15
EP0638357B1 (de) 1999-10-27
CN1042341C (zh) 1999-03-03
JPH0770267A (ja) 1995-03-14
CA2130029A1 (en) 1995-02-14
TW362990B (ru) 1999-07-01
BR9403238A (pt) 1995-04-11

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