CS182771B2 - Method for production of addition homo-and copolymers - Google Patents

Method for production of addition homo-and copolymers

Info

Publication number
CS182771B2
CS182771B2 CS7200003457A CS345772A CS182771B2 CS 182771 B2 CS182771 B2 CS 182771B2 CS 7200003457 A CS7200003457 A CS 7200003457A CS 345772 A CS345772 A CS 345772A CS 182771 B2 CS182771 B2 CS 182771B2
Authority
CS
Czechoslovakia
Prior art keywords
copolymers
production
homo
addition
addition homo
Prior art date
Application number
CS7200003457A
Other languages
English (en)
Inventor
Arnaldo Roggero
Alessandro Mazzei
Antonio Proni
Original Assignee
Arnaldo Roggero
Alessandro Mazzei
Antonio Proni
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 Arnaldo Roggero, Alessandro Mazzei, Antonio Proni filed Critical Arnaldo Roggero
Publication of CS182771B2 publication Critical patent/CS182771B2/cs

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)
  • Polymerization Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)
CS7200003457A 1971-05-24 1972-05-19 Method for production of addition homo-and copolymers CS182771B2 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CS182771B2 true CS182771B2 (en) 1978-05-31

Family

ID=11215062

Family Applications (1)

Application Number Title Priority Date Filing Date
CS7200003457A CS182771B2 (en) 1971-05-24 1972-05-19 Method for production of addition homo-and copolymers

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
CH569517A5 (cs) 1975-11-28
ZA723528B (en) 1973-03-28
ATA450472A (de) 1975-05-15
NL7206968A (cs) 1972-11-28
NL150474B (nl) 1976-08-16
LU65398A1 (cs) 1972-08-23
BE783779A (fr) 1972-09-18
DE2225276A1 (de) 1972-12-14
CA979142A (en) 1975-12-02
AU4237772A (en) 1973-11-22
DD97659A5 (cs) 1973-05-12
PL81664B1 (cs) 1975-08-30
FR2138873B1 (cs) 1973-07-13
GB1382123A (en) 1975-01-29
RO64424A (fr) 1979-05-15
AT328189B (de) 1976-03-10
DE2225276B2 (de) 1975-07-17
JPS5336519B1 (cs) 1978-10-03
FR2138873A1 (cs) 1973-01-05
US3828011A (en) 1974-08-06

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