RU94034356A - Способ получения полимеров тетрафторэтилена - Google Patents

Способ получения полимеров тетрафторэтилена

Info

Publication number
RU94034356A
RU94034356A RU94034356/04A RU94034356A RU94034356A RU 94034356 A RU94034356 A RU 94034356A RU 94034356/04 A RU94034356/04 A RU 94034356/04A RU 94034356 A RU94034356 A RU 94034356A RU 94034356 A RU94034356 A RU 94034356A
Authority
RU
Russia
Prior art keywords
tetrafluoroethylene polymers
polymers
preparing
preparing tetrafluoroethylene
heated
Prior art date
Application number
RU94034356/04A
Other languages
English (en)
Inventor
Феликс Бернд
De]
Хинтцер Клаус
Лер Гернот
Шеттле Томас
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 RU94034356A publication Critical patent/RU94034356A/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)

Abstract

Заявлен способ получения политетрафторэтилена с содержанием 0,02 - 1,0 мас. % перфторалкилвинилэфира по суспензионному способу с использованием веществ, способствующих полимеризации не в форме солей аммония. Получают полимер, который при нагревании не склонен к изменению цвета.

Claims (1)

  1. Заявлен способ получения политетрафторэтилена с содержанием 0,02 - 1,0 мас. % перфторалкилвинилэфира по суспензионному способу с использованием веществ, способствующих полимеризации не в форме солей аммония. Получают полимер, который при нагревании не склонен к изменению цвета.
RU94034356/04A 1993-09-25 1994-09-23 Способ получения полимеров тетрафторэтилена RU94034356A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4332712.5 1993-09-25
DE4332712A DE4332712A1 (de) 1993-09-25 1993-09-25 Verfahren zur Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung

Publications (1)

Publication Number Publication Date
RU94034356A true RU94034356A (ru) 1997-03-10

Family

ID=6498640

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94034356/04A RU94034356A (ru) 1993-09-25 1994-09-23 Способ получения полимеров тетрафторэтилена

Country Status (12)

Country Link
US (2) US5589558A (ru)
EP (1) EP0645404B1 (ru)
JP (1) JP3633652B2 (ru)
KR (1) KR950008550A (ru)
CN (1) CN1049225C (ru)
CA (1) CA2132793A1 (ru)
DE (2) DE4332712A1 (ru)
HK (1) HK1007749A1 (ru)
PL (1) PL305160A1 (ru)
RU (1) RU94034356A (ru)
TW (1) TW340851B (ru)
ZA (1) ZA947384B (ru)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5874523A (en) * 1996-11-25 1999-02-23 E. I. Du Pont De Nemours And Company Sulfonated perfluoroelastomer composition having improved processability
IT1298172B1 (it) 1998-01-22 1999-12-20 Ausimont Spa Processo per la preparazione di politetrafluoroetilene (ptfe) modificato
US6870020B2 (en) * 2002-04-30 2005-03-22 E. I. Du Pont De Nemours And Company High vinyl ether modified sinterable polytetrafluoroethylene
US7176265B2 (en) * 2002-11-22 2007-02-13 E. I. Du Pont De Nemours And Company Directly polymerized low molecular weight granular polytetrafluoroethylene
EP1648194B1 (en) * 2003-07-22 2012-05-02 Toho Kasei Co., Ltd. Material for heat-resistant electret and heat-resistant electret
KR20070086795A (ko) * 2004-11-30 2007-08-27 다이킨 고교 가부시키가이샤 변성 폴리테트라플루오로에틸렌 성형체 및 그의 제조 방법
WO2008127461A2 (en) * 2006-12-12 2008-10-23 3M Innovative Properties Company Thermally stable fluoropolymers
KR101934225B1 (ko) * 2015-01-20 2018-12-31 다이킨 고교 가부시키가이샤 불소 수지의 개질 성형품의 제조 방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629219A (en) * 1968-10-09 1971-12-21 Du Pont Process for increasing the surface area of granular polytetrafluoroethylene resin
US3819594A (en) * 1972-05-17 1974-06-25 Du Pont Tetrafluoroethylene fine powder resin of a copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether)
US3855191A (en) * 1973-04-04 1974-12-17 Du Pont Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer
DE2617829C2 (de) * 1976-04-23 1982-06-03 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Suspensionspolymerisaten des Tetrafluoräthylens
DE2523569C3 (de) * 1975-05-28 1980-08-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Polymerisation von Tetrafluoräthylen nach dem Suspensionsverfahren
DE2639109A1 (de) * 1976-08-31 1978-03-09 Hoechst Ag Copolymerisate des tetrafluoraethylens und verfahren zu deren herstellung
DE3110193A1 (de) * 1980-06-06 1982-09-30 Hoechst Ag, 6000 Frankfurt "verbessertes verfahren zur herstellung von modifiziertem tetrafluorethylen-polymerisatpulver mit hohem schuettgewicht und guter rieselfaehigkeit"
JPS58189210A (ja) * 1982-04-30 1983-11-04 Daikin Ind Ltd テトラフルオロエチレン／フルオロ（アルキルビニルエ−テル）共重合体の製法
EP0226668B1 (en) * 1985-11-08 1992-01-08 E.I. Du Pont De Nemours And Company Process for treating melt-processible tetrafluoroethylene/perfluoro(alkyl vinyl)- ether copolymers
JPS62230804A (ja) * 1985-12-18 1987-10-09 Asahi Glass Co Ltd 含フツ素共重合体
US4748217A (en) * 1986-01-27 1988-05-31 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
JP2551005B2 (ja) * 1987-06-24 1996-11-06 ダイキン工業株式会社 変性ポリテトラフルオロエチレンフアインパウダ−及びその製造方法
US4879362A (en) * 1987-12-31 1989-11-07 E. I. Dupont De Nemours And Company Modified polytetrafluoroethylene resins
JP2921026B2 (ja) * 1990-05-14 1999-07-19 ダイキン工業株式会社 テトラフルオロエチレン共重合体およびその製法
DE4022405A1 (de) * 1990-07-13 1992-01-16 Hoechst Ag Verfahren zur herstellung von tetrafluorethylen-polymerisat in waessriger suspension

Also Published As

Publication number Publication date
US5589558A (en) 1996-12-31
CN1106028A (zh) 1995-08-02
CA2132793A1 (en) 1995-03-26
US5576402A (en) 1996-11-19
PL305160A1 (en) 1995-04-03
DE4332712A1 (de) 1995-03-30
EP0645404B1 (de) 1996-12-11
ZA947384B (en) 1995-05-15
DE59401257D1 (de) 1997-01-23
TW340851B (en) 1998-09-21
HK1007749A1 (en) 1999-04-23
JP3633652B2 (ja) 2005-03-30
JPH07165829A (ja) 1995-06-27
EP0645404A1 (de) 1995-03-29
KR950008550A (ko) 1995-04-19
CN1049225C (zh) 2000-02-09

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