BE846858A - Procede pour le reglage du degre de polymerisation de poly (iminoimidazolidinediones, - Google Patents

Procede pour le reglage du degre de polymerisation de poly (iminoimidazolidinediones,

Info

Publication number
BE846858A
BE846858A BE171169A BE171169A BE846858A BE 846858 A BE846858 A BE 846858A BE 171169 A BE171169 A BE 171169A BE 171169 A BE171169 A BE 171169A BE 846858 A BE846858 A BE 846858A
Authority
BE
Belgium
Prior art keywords
iminoimidazolidinediones
polymerization
poly
adjusting
degree
Prior art date
Application number
BE171169A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE846858A publication Critical patent/BE846858A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/38Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3819Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
    • C08G18/3838Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing cyano groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/71Monoisocyanates or monoisothiocyanates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE171169A 1975-10-03 1976-10-01 Procede pour le reglage du degre de polymerisation de poly (iminoimidazolidinediones, BE846858A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61929575A 1975-10-03 1975-10-03

Publications (1)

Publication Number Publication Date
BE846858A true BE846858A (fr) 1977-04-01

Family

ID=24481304

Family Applications (1)

Application Number Title Priority Date Filing Date
BE171169A BE846858A (fr) 1975-10-03 1976-10-01 Procede pour le reglage du degre de polymerisation de poly (iminoimidazolidinediones,

Country Status (6)

Country Link
JP (1) JPS5243900A (en:Method)
BE (1) BE846858A (en:Method)
DE (1) DE2644242A1 (en:Method)
FR (1) FR2326437A1 (en:Method)
GB (1) GB1553316A (en:Method)
NL (1) NL7610908A (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6467148A (en) * 1987-09-07 1989-03-13 Kawakami Shoji Kk Preservation of turnip and japanese radish with controlling atmosphere
JPH01252618A (ja) * 1987-12-28 1989-10-09 Tonen Sekiyukagaku Kk 複素環式共重合体の製造法

Also Published As

Publication number Publication date
NL7610908A (nl) 1977-04-05
FR2326437B1 (en:Method) 1981-02-27
DE2644242A1 (de) 1977-04-14
GB1553316A (en) 1979-09-26
FR2326437A1 (fr) 1977-04-29
JPS5243900A (en) 1977-04-06

Similar Documents

Publication Publication Date Title
BE840927A (fr) Procede de polymerisation
PT64985B (fr) Procede pour la polymerisation d'olephines
BE885250A (fr) Procede de polymerisation en solution
BE834601R (fr) Procede pour la polymerisation des oiffines
BE824373A (fr) Procede de polymerisation
BE848879A (fr) Procede de polymerisation,
BE800903A (fr) Procede d'obtention de polymeres d'alcoyl-2 butadienes-1,3 ou de copolymeres d'alcoyl-2 butadienes-1,3-butadiene-1,3
BE854432A (fr) Procede de polymerisation de la 2-pyrrolidone
BE850135A (fr) Procede de polymerisation en masse
BE823849A (fr) Procede de polymerisation
BE830133A (fr) Procede de polymerisation
FR2310362A1 (fr) Procede de polymerisation du polybutadiene en continu
FR2303028A1 (fr) Procede de preparation de polymeres de para-vinylphenol
FR2307822A1 (fr) Nouveau procede de polymerisation
BE848952A (fr) Procede de polymerisation du styrene
FR2320955A1 (fr) Procede pour la polymerisation d'alcenes-1
BE847353A (fr) Polymeres soufres pour membranes,
BE851111A (fr) Procede ameliore pour la polymerisation des alpha-mono-olefines
BE836417A (fr) Procede de polymerisation continue en emulsion
BE849851A (fr) Procede de polymerisation de l'xi-caprolactame
BE855707A (fr) Procede de polymerisation
BE856978A (fr) Procede de polymerisation
BE846858A (fr) Procede pour le reglage du degre de polymerisation de poly (iminoimidazolidinediones,
BE809146A (fr) Procede pour la polymerisation de 2,3-epoxy-butanes 1,4-dihalogeno-substitues
BE826561A (fr) Procede de polymerisation