FR2420550A2 - Procede de fabrication de polyformaldehydes et polyformaldehydes obtenus - Google Patents

Procede de fabrication de polyformaldehydes et polyformaldehydes obtenus

Info

Publication number
FR2420550A2
FR2420550A2 FR7813189A FR7813189A FR2420550A2 FR 2420550 A2 FR2420550 A2 FR 2420550A2 FR 7813189 A FR7813189 A FR 7813189A FR 7813189 A FR7813189 A FR 7813189A FR 2420550 A2 FR2420550 A2 FR 2420550A2
Authority
FR
France
Prior art keywords
polyformaldehydes
mixture
manufacturing
reaction mixture
methylene halide
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.)
Withdrawn
Application number
FR7813189A
Other languages
English (en)
Inventor
Allan Stuart Hay
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2420550A2 publication Critical patent/FR2420550A2/fr
Withdrawn legal-status Critical Current

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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
    • C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
    • C08G65/4006—(I) or (II) containing elements other than carbon, oxygen, hydrogen or halogen as leaving group (X)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
    • C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
    • C08G65/4081—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group forming cyclic polymers or oligomers
    • 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
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20—Polysulfones
    • C08G75/23—Polyethersulfones
    • 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
    • C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
    • C08G2650/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing oxygen in addition to the ether group
    • C08G2650/44—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing oxygen in addition to the ether group containing acetal or formal groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyethers (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Paints Or Removers (AREA)

Abstract

Procédé permettant d'obtenir un mélange de polyformaldéhydes contenant moins de 10 % de cyclopolyformaldéhydes. Il consiste : A. à faire réagir un biphénol et un hydroxyde de métal alcalin en présence d'un mélange d'halogénure de méthylène et d'un solvant dipolaire, et B. à récupérer un mélange de polyformaldéhydes aromatiques du mélange réactionnel A, le mélange réactionnel A, contenant de 2 à 2,5 moles d'hydroxyde alcalin, par mole de bisphénol, une concentration de 20 à 50 % en poids de solides et un rapport pondéral de 0,8 à 1,2 de solvant aprotique dipolaire, par partie d'halogénure de méthylène Application comme compositions de revêtement pour métaux.
FR7813189A 1978-03-23 1978-05-03 Procede de fabrication de polyformaldehydes et polyformaldehydes obtenus Withdrawn FR2420550A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88939378A 1978-03-23 1978-03-23

Publications (1)

Publication Number Publication Date
FR2420550A2 true FR2420550A2 (fr) 1979-10-19

Family

ID=25395010

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7813189A Withdrawn FR2420550A2 (fr) 1978-03-23 1978-05-03 Procede de fabrication de polyformaldehydes et polyformaldehydes obtenus
FR7813190A Granted FR2420533A1 (fr) 1978-03-23 1978-05-03 Cyclopolyformaldehydes et leur procede de preparation

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7813190A Granted FR2420533A1 (fr) 1978-03-23 1978-05-03 Cyclopolyformaldehydes et leur procede de preparation

Country Status (3)

Country Link
JP (1) JPS54125297A (fr)
DE (1) DE2819582A1 (fr)
FR (2) FR2420550A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721419A (en) * 1980-07-15 1982-02-04 Kanegafuchi Chem Ind Co Ltd Production of polyether
JPS5747328A (en) * 1980-09-05 1982-03-18 Kanegafuchi Chem Ind Co Ltd Novel polyether resin and its production
JPS5773022A (en) * 1980-10-22 1982-05-07 Kanegafuchi Chem Ind Co Ltd Preparation of polyether
US4544705A (en) * 1983-04-18 1985-10-01 Union Carbide Corporation Aromatic polyformals
GB8726877D0 (en) * 1987-11-17 1987-12-23 Ici Plc Aromatic compounds

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069386A (en) * 1959-02-04 1962-12-18 Union Carbide Corp Thermoplastic aromatic polyformal resins and process for preparing same
DE2355928A1 (de) * 1972-11-08 1974-05-16 Ici Ltd Aromatisches polymerisat

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738962A1 (de) * 1976-11-08 1978-05-11 Gen Electric Filmbildende, ausformbare aromatische polyformalharze und verfahren zu ihrer herstellung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069386A (en) * 1959-02-04 1962-12-18 Union Carbide Corp Thermoplastic aromatic polyformal resins and process for preparing same
DE2355928A1 (de) * 1972-11-08 1974-05-16 Ici Ltd Aromatisches polymerisat

Also Published As

Publication number Publication date
DE2819582A1 (de) 1979-09-27
FR2420533A1 (fr) 1979-10-19
FR2420533B1 (fr) 1983-03-11
JPS54125297A (en) 1979-09-28

Similar Documents

Publication Publication Date Title
WO1983002773A1 (fr) Procede de preparation de trisulfure de dialkyle
FR2471963B1 (fr) Procede de production d'une composition d'un catalyseur pour la synthese du methanol a basse temperature, catalyseur a utiliser et procede de production de methanol
Pong et al. Photochemistry of. alpha.-pyrone in solid argon
US4118589A (en) Process for preparing oxalic acid and esters of same
US2965650A (en) Keto-substituted dithiacycloparaffins of 7 to 9 annular atoms and their preparation
US3678115A (en) Process for production of sulfur-containing phenols
Klunder et al. Sulfone mediated synthesis of cyclopentadienone epoxides from 10-oxatricyclo [5.2. 1.02, 6] decadienones. A convenient route to epi-pentenomycins
EP0083077B1 (fr) Dérivés d'acides aminocarboxyliques contenant du fluor, leur préparation et utilisation
US4394320A (en) Synthesis of stannic tetra mercaptides
EP0057443B1 (fr) Composés contenant du fluor, leur préparation et utilisation
Aida et al. Reaction of dibenzothiophene sulfone with alkoxides
US3766275A (en) Process for preparing a dithiol butanediol
US4108958A (en) Extraction of Cu(II), Fe(III), Ni(II), Co(II), Cd(II), Zn(II), Ca(II) and Mg(II) metal values using 2-hydroxy iminoacetic acids
US3024267A (en) Preparation of hydracrylonitrile
Sato et al. Novel reductive couplinog-rearrangement of carbonyl compounds with metal/lewis acid under irradiation of ultrasonic wave
Bigi et al. Unusual friedel‐crafts reactions. 3. Synthesis of 2, 4‐Diethoxychromans and their conversion into benzopyrylium perchlorates
US3742017A (en) Method for the production of formylnitrile derivatives
EP0156352B1 (fr) Procédé pour la préparation de (alkylthio-, cycloalkylthio- ou arylthio)-phénols
GB1041764A (en) Manufacture of guaiacol
US5081307A (en) Process for preparing 2,2-dimethoxy-2-phenylacetophenone
SU1712441A1 (ru) Способ получени черновой сурьмы
JPH04156933A (ja) 界面活性剤
EP0101625A1 (fr) Procédé de préparation d'acide 2',4'-difluoro-4-hydroxy-(1,1'-diphényle)-carboxylique
US2771485A (en) Production of carbamate compounds
DE3201761C2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse