BE636370A - - Google Patents

Info

Publication number
BE636370A
BE636370A BE636370DA BE636370A BE 636370 A BE636370 A BE 636370A BE 636370D A BE636370D A BE 636370DA BE 636370 A BE636370 A BE 636370A
Authority
BE
Belgium
Application number
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 of BE636370A publication Critical patent/BE636370A/xx
Priority claimed from CH1026963A external-priority patent/CH452203A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
    • 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
    • C08G2/38—Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Graft Or Block Polymers (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
BE636370D 1962-05-04 BE636370A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US192320A US3219725A (en) 1962-05-04 1962-05-04 Segmented oxymethylene block copolymers
CH1026963A CH452203A (fr) 1963-08-20 1963-08-20 Procédé de production d'un copolymère à blocs

Publications (1)

Publication Number Publication Date
BE636370A true BE636370A (da)

Family

ID=25706271

Family Applications (1)

Application Number Title Priority Date Filing Date
BE636370D BE636370A (da) 1962-05-04

Country Status (5)

Country Link
US (1) US3219725A (da)
JP (1) JPS4927112B1 (da)
BE (1) BE636370A (da)
DE (1) DE1495295A1 (da)
GB (1) GB1025755A (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634303A (da) * 1962-06-28
US3376361A (en) * 1963-06-24 1968-04-02 Celanese Corp Formaldehyde block copolymers
US3379789A (en) * 1963-08-08 1968-04-23 Hoechst Ag Process for preparing block polymers of a polyepoxide and polyoxymethylene
US3352945A (en) * 1963-11-07 1967-11-14 Snia Viscosa Formaldehyde-propylene graft copolymers and process for their synthesis
US3312753A (en) * 1964-01-13 1967-04-04 Union Carbide Corp Preparation of block copolymers of a caprolactone and oxirane compound
US3476832A (en) * 1966-08-31 1969-11-04 Celanese Corp Blends comprising oxymethylene polymers and rubbery polymers
BE795792A (fr) * 1972-02-22 1973-08-22 Hoechst Ag Matieres a mouler thermoplastiques a base de poly-oxymethylenes
US3954915A (en) * 1973-08-13 1976-05-04 Mobil Oil Corporation Block copolymers of hydrogenated diene-styrene with polymerized alkylene oxide and alkylene sulfide
US5525702A (en) * 1995-05-18 1996-06-11 The Dow Chemical Company Biodegradable alkylene oxide-lactone copolymers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA582945A (en) * 1959-09-08 T. Cline Edward Block copolymers of formaldehyde with active hydrogen-containing polymers
US2273461A (en) * 1940-02-29 1942-02-17 Henry A Wallace Process for the production of calcium metaphosphate and hydrogen
US2844561A (en) * 1953-06-30 1958-07-22 Du Pont Dispersion polymerization of formaldehyde in the presence of an organic synthetic polymer
US3029216A (en) * 1958-08-11 1962-04-10 Union Carbide Corp Block copolymer of dissimilar 1, 2-alkylene oxides and process for preparing the same
US3050511A (en) * 1958-09-15 1962-08-21 Dow Chemical Co Block copolymers of alkenyl aromatic hydrocarbons and alkylene oxides
FR1272971A (fr) * 1960-08-22 1961-10-06 Houilleres Bassin Du Nord Nouveaux polymères à base de polyoxyméthylène à stabilité améliorée et procédé pour la stabilisation des polymères à base de polyoxyméthylène
BE611440A (da) * 1961-12-12 1962-03-30

Also Published As

Publication number Publication date
US3219725A (en) 1965-11-23
GB1025755A (en) 1966-04-14
DE1495295A1 (de) 1970-01-02
JPS4927112B1 (da) 1974-07-15

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