BE787798A - Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques - Google Patents

Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques

Info

Publication number
BE787798A
BE787798A BE787798DA BE787798A BE 787798 A BE787798 A BE 787798A BE 787798D A BE787798D A BE 787798DA BE 787798 A BE787798 A BE 787798A
Authority
BE
Belgium
Prior art keywords
homopolymers
copolymers
preparation
cyclic acetals
acetals
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication date
Publication of BE787798A publication Critical patent/BE787798A/xx

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
    • C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
    • 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

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)
BE787798D 1971-08-19 Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques BE787798A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2141600A DE2141600A1 (de) 1971-08-19 1971-08-19 Verfahren zur herstellung von homound copolymerisaten des trioxans

Publications (1)

Publication Number Publication Date
BE787798A true BE787798A (fr) 1973-02-21

Family

ID=5817201

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787798D BE787798A (fr) 1971-08-19 Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques

Country Status (9)

Country Link
US (1) US3848020A (xx)
JP (1) JPS5517765B2 (xx)
BE (1) BE787798A (xx)
CA (1) CA975099A (xx)
DE (1) DE2141600A1 (xx)
FR (1) FR2149579B1 (xx)
GB (1) GB1390976A (xx)
IT (1) IT964039B (xx)
NL (1) NL7211082A (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4788258A (en) * 1987-09-14 1988-11-29 Hoechst Celanese Corporation Low Tg non-crystalline acetal copolymers
US4847332A (en) * 1987-12-07 1989-07-11 The B. F. Goodrich Company Terminally unsaturated macromolecular monomers of polyformals and copolymers thereof
US4906728A (en) * 1988-04-13 1990-03-06 Hoechst Celanese Corp. Acetal copolymers with backbone bromo functional groups
US5071952A (en) * 1988-04-13 1991-12-10 Hoechst Celanese Corporation (iodo-urea and iodo-isocyano) dioxepane trioxane copolymers
US5034499A (en) * 1988-04-13 1991-07-23 Hoechst Celanese Corp. Acetal copolymers with backbone epoxide functional groups
US4898925A (en) * 1988-09-12 1990-02-06 Hoechst Celanese Corporation Elastomeric acetal polymers
US4937312A (en) * 1989-12-11 1990-06-26 Hoechst Celanese Corp. Process for producing elastomeric acetal polymers
DE69116674T2 (de) * 1990-10-05 1996-09-26 Asahi Chemical Ind Oxymethylencopolymere und herstellung derselben
DE102006044465A1 (de) 2006-09-21 2008-04-03 Ticona Gmbh Initiator
US7902324B2 (en) 2006-09-26 2011-03-08 Ticona Gmbh Initiator

Also Published As

Publication number Publication date
US3848020A (en) 1974-11-12
FR2149579A1 (xx) 1973-03-30
DE2141600A1 (de) 1973-03-01
CA975099A (en) 1975-09-23
JPS4829894A (xx) 1973-04-20
IT964039B (it) 1974-01-21
NL7211082A (xx) 1973-02-21
FR2149579B1 (xx) 1976-03-12
JPS5517765B2 (xx) 1980-05-14
GB1390976A (en) 1975-04-16

Similar Documents

Publication Publication Date Title
BE776510A (fr) Procede de preparation en continu d'alcoxysilanes et d'alcoxy-polysiloxanes
BE850855A (fr) Procede de preparation d'homopolymeres et copolymeres d'alpha-mono-olefines
BE824438A (fr) Procede de preparation d'homoplymeres et de copolymeres de propylene
BE788752A (fr) Copolymeres de 1-alcenes et de derives d'acides acryliques, et procede pour leur preparation
BE787798A (fr) Procede de preparation d'homopolymeres et de copolymeres d'acetals cycliques
FR2280386A1 (fr) 7-methoxy-6-thia-tetracyclines et leur procede de preparation
FR2287435A1 (fr) Procede de preparation de cyclohexane-diones-1,3 et d'alkyl-6-dihydro-3,4-pyranones-2
BE842328A (fr) Procede de preparation d'homopolymeres et de copolymeres du tetrafluoroethylene
BE787350A (fr) Composes azoiques, leur procede de preparation et leur emploi
BE784350A (fr) Procede de preparation de melanges de cycloalcanol et de cycloalcanone
BE857100A (fr) Procede de preparation d'homopolymeres et de copolymeres d'&-mono-olefines
BE830814A (fr) N-alkyl-iminoalanes oligomeres et leur procede de preparation
BE795902A (fr) Procede de preparation du diiodo-3,5 hydroxy-4benzonitrile et de l'iodo-3 hydroxy-4 nitro-5benzonitrile
BE771401A (fr) Colorants methiniques et leur procede d'obtention
BE826139A (fr) 11beta-fluoro-androstenes et leur procede de preparation
BE788093A (fr) Phosphinylalcoylaminobenzophenones et leur procede de preparation
BE778852A (fr) Procede de preparation d'aminoaryl-urees et d'aminoaryl-thio-urees
BE773656A (fr) 2,2'-bi-imidazoles substitues et procede de preparation
BE793042A (fr) Procede de preparation d'homopolymeres et de copolymeres de dienes
BE778261A (fr) Preparation d'amides cycliques
BE824179A (fr) Bis-dihalogeno-s-triazinyl-urees et leur procede de preparation
BE785446A (fr) Procede de preparation de chloroformiates d'aryles et de carbonates cycliques
BE773500A (fr) Procede de preparation d'alcoxyacetaldehydes et d'acyloxyacetaldehydes
BE826848A (fr) Les daunomycines et leur procede de preparation
BE831511A (fr) Copolymeres d'isobutylene et de n-vinylcarbazole, procede de preparation et 1970, desdits copolymeres