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CA979142A - Process for producing addition homo-and copolymers as well as catalysts used in the process - Google Patents

Process for producing addition homo-and copolymers as well as catalysts used in the process

Info

Publication number
CA979142A
CA979142A CA142,654A CA142654A CA979142A CA 979142 A CA979142 A CA 979142A CA 142654 A CA142654 A CA 142654A CA 979142 A CA979142 A CA 979142A
Authority
CA
Canada
Prior art keywords
copolymers
well
catalysts used
producing addition
homo
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
CA142,654A
Other languages
English (en)
Other versions
CA142654S (en
Inventor
Alessandro Mazzei
Antonio Proni
Arnaldo Roggero
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SnamProgetti SpA filed Critical SnamProgetti SpA
Application granted granted Critical
Publication of CA979142A publication Critical patent/CA979142A/en
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
    • 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
    • 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
    • C08F4/06—Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen
    • 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
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • C08G69/20—Anionic polymerisation characterised by the catalysts used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CA142,654A 1971-05-24 1972-05-18 Process for producing addition homo-and copolymers as well as catalysts used in the process Expired CA979142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2489771 1971-05-24

Publications (1)

Publication Number Publication Date
CA979142A true CA979142A (en) 1975-12-02

Family

ID=11215062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,654A Expired CA979142A (en) 1971-05-24 1972-05-18 Process for producing addition homo-and copolymers as well as catalysts used in the process

Country Status (15)

Country Link
US (1) US3828011A (cs)
JP (1) JPS5336519B1 (cs)
AT (1) AT328189B (cs)
BE (1) BE783779A (cs)
CA (1) CA979142A (cs)
CH (1) CH569517A5 (cs)
CS (1) CS182771B2 (cs)
DD (1) DD97659A5 (cs)
FR (1) FR2138873B1 (cs)
GB (1) GB1382123A (cs)
LU (1) LU65398A1 (cs)
NL (1) NL150474B (cs)
PL (1) PL81664B1 (cs)
RO (1) RO64424A (cs)
ZA (1) ZA723528B (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1033860B (it) * 1975-02-13 1979-08-10 Russo S Processo di polimerizzazione di poliammidi lavorabili a temperature piu basse delle loro temperature convenzionali di fusione e di decomposizione
US4074036A (en) * 1976-11-05 1978-02-14 Allied Chemical Corporation Production of low molecular weight polyanhydrides

Also Published As

Publication number Publication date
GB1382123A (en) 1975-01-29
DE2225276B2 (de) 1975-07-17
DE2225276A1 (de) 1972-12-14
FR2138873A1 (cs) 1973-01-05
LU65398A1 (cs) 1972-08-23
NL7206968A (cs) 1972-11-28
FR2138873B1 (cs) 1973-07-13
PL81664B1 (cs) 1975-08-30
CS182771B2 (en) 1978-05-31
CH569517A5 (cs) 1975-11-28
AT328189B (de) 1976-03-10
NL150474B (nl) 1976-08-16
ATA450472A (de) 1975-05-15
US3828011A (en) 1974-08-06
BE783779A (fr) 1972-09-18
DD97659A5 (cs) 1973-05-12
ZA723528B (en) 1973-03-28
JPS5336519B1 (cs) 1978-10-03
RO64424A (fr) 1979-05-15
AU4237772A (en) 1973-11-22

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