RO63680A - PROCESS FOR OBTAINING A CATALYST FOR POLYMERIZATION - Google Patents

PROCESS FOR OBTAINING A CATALYST FOR POLYMERIZATION

Info

Publication number
RO63680A
RO63680A RO7300074140A RO7414073A RO63680A RO 63680 A RO63680 A RO 63680A RO 7300074140 A RO7300074140 A RO 7300074140A RO 7414073 A RO7414073 A RO 7414073A RO 63680 A RO63680 A RO 63680A
Authority
RO
Romania
Prior art keywords
polymerization
catalyst
obtaining
Prior art date
Application number
RO7300074140A
Other languages
French (fr)
Romanian (ro)
Inventor
Arnaldo Roggero
Alessandro Mazzei
Antonio Proni
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of RO63680A publication Critical patent/RO63680A/en

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
    • 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
    • C08G75/02—Polythioethers
    • C08G75/06—Polythioethers from cyclic thioethers
    • C08G75/08—Polythioethers from cyclic thioethers from thiiranes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C317/00—Sulfones; Sulfoxides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F1/00—Compounds containing elements of Groups 1 or 11 of the Periodic Table
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06—Aluminium compounds
    • C07F5/069—Aluminium compounds without C-aluminium linkages
    • 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
    • C08F4/00—Polymerisation 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
    • C08G2/06—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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
  • Polymerization Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
RO7300074140A 1972-03-11 1973-03-12 PROCESS FOR OBTAINING A CATALYST FOR POLYMERIZATION RO63680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21728/72A IT953491B (en) 1972-03-11 1972-03-11 POLYMERIZATION CATALYSTS PROCEDURE FOR THEIR PREPARATION POLYMERIZATION PROCESS USING THESE CATALYSTS AND OBTAINED PRODUCTS

Publications (1)

Publication Number Publication Date
RO63680A true RO63680A (en) 1979-01-15

Family

ID=11186018

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7300074140A RO63680A (en) 1972-03-11 1973-03-12 PROCESS FOR OBTAINING A CATALYST FOR POLYMERIZATION

Country Status (17)

Country Link
JP (1) JPS5421833B2 (en)
AT (1) AT327553B (en)
BE (1) BE796431A (en)
CA (1) CA1007663A (en)
CH (1) CH583258A5 (en)
CS (2) CS184841B2 (en)
DD (2) DD114819A5 (en)
DE (2) DE2365439C3 (en)
FR (1) FR2175802B1 (en)
GB (1) GB1401920A (en)
IT (1) IT953491B (en)
LU (1) LU67189A1 (en)
NL (1) NL155284B (en)
RO (1) RO63680A (en)
SE (1) SE408901B (en)
SU (1) SU509208A3 (en)
ZA (1) ZA731363B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254247A (en) * 1976-05-26 1981-03-03 Societe Nationale Des Poudres Et Explosifs Novel initiators for anionic polymerization

Also Published As

Publication number Publication date
CH583258A5 (en) 1976-12-31
IT953491B (en) 1973-08-10
DE2312221A1 (en) 1973-09-20
DE2365439B2 (en) 1980-10-09
DD114819A5 (en) 1975-08-20
ZA731363B (en) 1975-02-26
DE2312221B2 (en) 1979-02-01
JPS5421833B2 (en) 1979-08-02
FR2175802A1 (en) 1973-10-26
ATA211773A (en) 1975-04-15
AU5254573A (en) 1974-08-29
DE2365439C3 (en) 1981-05-27
LU67189A1 (en) 1973-05-22
SE408901B (en) 1979-07-16
DE2312221C3 (en) 1979-09-27
FR2175802B1 (en) 1976-11-05
GB1401920A (en) 1975-08-06
CS184841B2 (en) 1978-09-15
AT327553B (en) 1976-02-10
CS184814B2 (en) 1978-09-15
CA1007663A (en) 1977-03-29
DD104983A5 (en) 1974-04-05
SU509208A3 (en) 1976-03-30
JPS48102791A (en) 1973-12-24
NL155284B (en) 1977-12-15
NL7303454A (en) 1973-09-13
DE2365439A1 (en) 1975-01-30
BE796431A (en) 1973-07-02

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