FR1090519A - Polymérisation de la formaldéhyde par dispersion - Google Patents

Polymérisation de la formaldéhyde par dispersion

Info

Publication number
FR1090519A
FR1090519A FR1090519DA FR1090519A FR 1090519 A FR1090519 A FR 1090519A FR 1090519D A FR1090519D A FR 1090519DA FR 1090519 A FR1090519 A FR 1090519A
Authority
FR
France
Prior art keywords
formaldehyde
polymerization
dispersion
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
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1090519A publication Critical patent/FR1090519A/fr
Expired 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
    • 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
    • C08G2/08—Polymerisation 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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
    • C08L59/02—Polyacetals containing polyoxymethylene sequences only

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
FR1090519D 1952-08-30 1953-08-31 Polymérisation de la formaldéhyde par dispersion Expired FR1090519A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US744336XA 1952-08-30 1952-08-30

Publications (1)

Publication Number Publication Date
FR1090519A true FR1090519A (fr) 1955-03-31

Family

ID=22119539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1090519D Expired FR1090519A (fr) 1952-08-30 1953-08-31 Polymérisation de la formaldéhyde par dispersion

Country Status (4)

Country Link
BE (1) BE558693A (fr)
DE (2) DE1000152B (fr)
FR (1) FR1090519A (fr)
GB (1) GB744336A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108435B (de) * 1958-12-02 1961-06-08 Hoechst Ag Verfahren zur katalytischen Polymerisation von Formaldehyd
DE1230219B (de) * 1955-07-13 1966-12-08 Du Pont Initiatoren bei der Polymerisation von praktisch wasserfreiem monomerem Formaldehyd

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001966A (en) * 1958-08-18 1961-09-26 Du Pont Thermally-stabilized polyacetaldehyde elastomers, process for their preparation and mixtures of same with polycarbonamides
DE1233381B (de) * 1964-05-20 1967-02-02 Ministerul Ind Petrolului Verfahren zur kontinuierlichen Reinigung von gasfoermigem Formaldehyd
IT1006689B (it) * 1973-12-28 1976-10-20 Sir Soc Italiana Resine Spa Procedimento per la polimerizza zione della formaldeide
IT1006690B (it) * 1973-12-28 1976-10-20 Sir Soc Italiana Resine Spa Procedimento per la preparazione e la stabilizzazione dei poliossi metileni

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230219B (de) * 1955-07-13 1966-12-08 Du Pont Initiatoren bei der Polymerisation von praktisch wasserfreiem monomerem Formaldehyd
DE1108435B (de) * 1958-12-02 1961-06-08 Hoechst Ag Verfahren zur katalytischen Polymerisation von Formaldehyd

Also Published As

Publication number Publication date
GB744336A (en) 1956-02-01
DE1000152B (de) 1957-01-03
BE558693A (fr)
DE1136488B (de) 1962-09-13

Similar Documents

Publication Publication Date Title
CH318475A (it) Proietto
FR1090519A (fr) Polymérisation de la formaldéhyde par dispersion
CH313211A (de) Rasierapparat
AT175972B (de) Zerstäuber
FR1090028A (fr) Polymérisation de la formaldéhyde
FR1075700A (fr) Compositions polymères
FR1088385A (fr) Polymérisation de la formaldéhyde
FR1118058A (fr) Catalyseur
FR1031420A (fr) Poutre
FR1064856A (fr) Segment de piston
FR60391E (fr) Pédalier compensateur
FR1082519A (fr) Polymères de formaldéhyde
FR1059971A (fr) Segment de piston
CH319616A (de) Gleitweganlage
AT175516B (de) Rasierapparat
FR1078528A (fr) Catalyseur
FR1038529A (fr) Cylindrage
AT183437B (de) Tragwerkssytem
FR1088386A (fr) Perfectionnements aux solutions de polymères de formaldéhyde
AT178505B (de) Kolbenverteiler
FR1055357A (fr) Piston
AT177965B (de) Motorbremse
ES27962Y (es) Periana graduable perfeccionada
AT181618B (de) Bremsnachstellvorrichtung
ES199147A1 (es) Fabricación de hombreras para vestidos