CH373185A - Verfahren zur Herstellung von Polymerisaten des Formaldehyds - Google Patents

Verfahren zur Herstellung von Polymerisaten des Formaldehyds

Info

Publication number
CH373185A
CH373185A CH5524758A CH5524758A CH373185A CH 373185 A CH373185 A CH 373185A CH 5524758 A CH5524758 A CH 5524758A CH 5524758 A CH5524758 A CH 5524758A CH 373185 A CH373185 A CH 373185A
Authority
CH
Switzerland
Prior art keywords
formaldehyde
polymers
production
Prior art date
Application number
CH5524758A
Other languages
English (en)
Inventor
Otto Dr Schweitzer
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of CH373185A publication Critical patent/CH373185A/de

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
    • C08G2/06—Catalysts
    • 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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
CH5524758A 1957-02-23 1958-01-29 Verfahren zur Herstellung von Polymerisaten des Formaldehyds CH373185A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DED25004A DE1108434B (de) 1957-02-23 1957-02-23 Verfahren zur katalytischen Polymerisation des Formaldehyds in inerten Loesungsmitteln
DED33842A DE1139273B (de) 1957-02-23 1960-07-23 Verfahren zur Herstellung von Polyoxymethylenen
DED38959A DE1190187B (de) 1957-02-23 1962-05-19 Verfahren zum Stabilisieren von Polyoxymethylenen

Publications (1)

Publication Number Publication Date
CH373185A true CH373185A (de) 1963-11-15

Family

ID=27209664

Family Applications (3)

Application Number Title Priority Date Filing Date
CH5524758A CH373185A (de) 1957-02-23 1958-01-29 Verfahren zur Herstellung von Polymerisaten des Formaldehyds
CH783761A CH409398A (de) 1957-02-23 1961-07-05 Verfahren zur Herstellung von Polyoxymethylenen
CH523863A CH402419A (de) 1957-02-23 1963-04-26 Verfahren zur Herstellung von Polyoxymethylenen

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH783761A CH409398A (de) 1957-02-23 1961-07-05 Verfahren zur Herstellung von Polyoxymethylenen
CH523863A CH402419A (de) 1957-02-23 1963-04-26 Verfahren zur Herstellung von Polyoxymethylenen

Country Status (7)

Country Link
US (3) US2985623A (de)
BE (1) BE632552A (de)
CH (3) CH373185A (de)
DE (3) DE1108434B (de)
FR (1) FR1191612A (de)
GB (3) GB836288A (de)
NL (5) NL224673A (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL125081C (de) * 1957-02-23
DE1180519B (de) * 1959-04-18 1964-10-29 Degussa Verfahren zur Herstellung von Eupolyoxymethylenen
DE1132723B (de) * 1960-07-30 1962-07-05 Deutsehe Gold Und Silber Schei Verfahren zur Herstellung von Eupolyoxymethylenen
BE612792A (de) * 1961-01-24
NL275439A (de) * 1961-04-22
US3248271A (en) * 1961-05-08 1966-04-26 Celanese Corp Shaped oxymethylene thermoplastic polymer and method of surface treating same
BE629599A (de) * 1962-03-15
US3313753A (en) * 1962-04-19 1967-04-11 Celanese Corp Floor tile comprising vinyl chloridevinyl acetate copolymer and modified polyoxymethylene
BE632214A (de) * 1962-05-11
US3383364A (en) * 1964-06-26 1968-05-14 Exxon Research Engineering Co Process of preparing formaldehydecarbon monoxide copolymer
US3418280A (en) * 1964-12-31 1968-12-24 Celanese Corp Stabilization of oxymethylene copolymers by alkaline hydrolysis
US3484399A (en) * 1966-05-16 1969-12-16 Celanese Corp Stabilization of oxymethylene polymers
JPS6063216A (ja) * 1983-09-16 1985-04-11 Polyplastics Co 熱安定性，成形性の改良されたポリアセタ−ル重合体の製造法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932701C (de) * 1944-02-26 1955-09-08 Georg B Dipl-Chem Dr Willfang Verfahren zur Herstellung von Kondensations- und bzw. oder Polymerisationsprodukten
GB748836A (en) * 1952-08-30 1956-05-09 Du Pont Improvements in or relating to formaldehyde polymers
NL196512A (de) * 1954-04-16
GB753299A (en) * 1954-11-25 1956-07-18 Du Pont Improvements in or relating to formaldehyde polymers
NL125081C (de) * 1957-02-23
US2920059A (en) * 1957-04-08 1960-01-05 Du Pont Stabilization of polyoxymethylenes with aromatic amines
BE602869A (de) * 1960-04-21

Also Published As

Publication number Publication date
NL99706C (de)
NL292302A (de)
GB980566A (en) 1965-01-13
BE632552A (de)
NL267211A (de)
FR1191612A (fr) 1959-10-21
DE1108434B (de) 1961-06-08
GB836288A (en) 1960-06-01
NL125081C (de)
NL224673A (de)
GB906959A (en) 1962-09-26
US3344119A (en) 1967-09-26
DE1190187B (de) 1965-04-01
DE1139273B (de) 1962-11-08
US2985623A (en) 1961-05-23
CH409398A (de) 1966-03-15
US3275593A (en) 1966-09-27
CH402419A (de) 1965-11-15

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