CA1055192A - Process for preparing oxymethylene polymers in a granular form - Google Patents

Process for preparing oxymethylene polymers in a granular form

Info

Publication number
CA1055192A
CA1055192A CA246,680A CA246680A CA1055192A CA 1055192 A CA1055192 A CA 1055192A CA 246680 A CA246680 A CA 246680A CA 1055192 A CA1055192 A CA 1055192A
Authority
CA
Canada
Prior art keywords
polymer
weight
temperature
methanol
solution
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA246,680A
Other languages
English (en)
French (fr)
Inventor
Gunter Sextro
Karlheinz Burg
Alwin Heller
Helmut Schlaf
Hans J. Leugering
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1055192A publication Critical patent/CA1055192A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/14Powdering or granulating by precipitation from solutions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2359/00Characterised by the use of polyacetals containing polyoxymethylene sequences only
    • C08J2359/02Copolyoxymethylenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA246,680A 1975-02-28 1976-02-27 Process for preparing oxymethylene polymers in a granular form Expired CA1055192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752508886 DE2508886C3 (de) 1975-02-28 1975-02-28 Verfahren zur Herstellung von Oxymethylenpolymeren in körniger Form

Publications (1)

Publication Number Publication Date
CA1055192A true CA1055192A (en) 1979-05-22

Family

ID=5940152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,680A Expired CA1055192A (en) 1975-02-28 1976-02-27 Process for preparing oxymethylene polymers in a granular form

Country Status (11)

Country Link
JP (1) JPS5850615B2 (OSRAM)
BE (1) BE839074A (OSRAM)
CA (1) CA1055192A (OSRAM)
DE (1) DE2508886C3 (OSRAM)
DK (1) DK85376A (OSRAM)
FR (1) FR2302316A1 (OSRAM)
GB (1) GB1536964A (OSRAM)
IE (1) IE42490B1 (OSRAM)
IT (1) IT1055918B (OSRAM)
LU (1) LU74437A1 (OSRAM)
NL (1) NL179390C (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735946C3 (de) * 1977-08-10 1980-03-06 Hoechst Ag, 6000 Frankfurt Körniges Oxymethylenpolymer mit verbesserten mechanischen Eigenschaften und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
GB1536964A (en) 1978-12-29
JPS51109946A (ja) 1976-09-29
IE42490L (en) 1976-08-28
DE2508886B2 (de) 1979-03-01
JPS5850615B2 (ja) 1983-11-11
DK85376A (da) 1976-08-29
IT1055918B (it) 1982-01-11
IE42490B1 (en) 1980-08-13
FR2302316A1 (fr) 1976-09-24
DE2508886C3 (de) 1979-10-25
LU74437A1 (OSRAM) 1977-01-07
FR2302316B1 (OSRAM) 1979-03-30
BE839074A (fr) 1976-09-01
DE2508886A1 (de) 1976-09-09
NL179390C (nl) 1986-09-01
NL7601810A (nl) 1976-08-31
NL179390B (nl) 1986-04-01

Similar Documents

Publication Publication Date Title
CA1176395A (en) Polyoxymethylene fibrids, a process for their production and their use
US5144005A (en) Continuous process for removing unstable components from crude oxymethylene copolymer
KR100360288B1 (ko) 폴리아세탈공중합체의제조방법
US4195158A (en) Process for the preparation of granular oxymethylene polymers having improved mechanical properties
US4111912A (en) Process for the manufacture of coarse-granular oxymethylene polymers
CA1055192A (en) Process for preparing oxymethylene polymers in a granular form
US3848021A (en) Thermoplastic molding composition on the basis of poly(oxymethylenes)
CA1067245A (en) Process for the manufacture of granular oxymethylene polymers
US4151346A (en) Process for preparing oxymethylene polymers in a granular form
US4082729A (en) Process for the preparation of oxymethylene polymers
EP2268683A1 (de) Verfahren zur herstellung von oxymethylen-polymeren und dafür geeignete vorrichtung
DE2141327A1 (de) Thermoplastische formmasse auf poly(oxymethylen)-basis
DE2452736C3 (de) Verfahren zur Herstellung von Oxymethylenpolvmeren in körniger Form
DE2509924C3 (de) Verfahren zur Herstellung von Oxymethylenpolymeren in körniger Form
EP1607422A1 (en) Process for producing oxymethylene copolymer
DE2549770C2 (de) Verfahren zur herstellung von oxymethylenpolymeren in koerniger form
DE2452737A1 (de) Verfahren zur herstellung von oxymethylenpolymeren in koerniger form
DE2504482A1 (de) Verfahren zur herstellung von oxamethylenpolymeren in koerniger form
JP3883750B2 (ja) ポリアセタール共重合体
DE2452736B2 (de) Verfahren zur herstellung von oxymethylenpolymeren in koerniger form
JP3926484B2 (ja) ポリアセタール共重合体
JPH09241344A (ja) オキシメチレン共重合体の安定化法